bring repo up-to-date

Arduino/Read_2x_load_cell/Read_2x_load_cell.ino

@@ -0,0 +1,43 @@
+#include <HX711_ADC.h>
+
+//HX711 constructor (dout pin, sck pin)
+HX711_ADC LoadCell_1(A3, A2); //HX711 1
+HX711_ADC LoadCell_2(A1, A0); //HX711 2
+
+long t;
+
+void setup() {
+  Serial.begin(9600); delay(10);
+  Serial.println();
+  Serial.println("Starting...");
+  LoadCell_1.begin();
+  LoadCell_2.begin();
+  long stabilisingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilising time
+  byte loadcell_1_rdy = 0;
+  byte loadcell_2_rdy = 0;
+  while ((loadcell_1_rdy + loadcell_2_rdy) < 2) { //run startup, stabilization and tare, both modules simultaniously
+    if (!loadcell_1_rdy) loadcell_1_rdy = LoadCell_1.startMultiple(stabilisingtime);
+    if (!loadcell_2_rdy) loadcell_2_rdy = LoadCell_2.startMultiple(stabilisingtime);
+  }
+  LoadCell_1.setCalFactor(100); // user set calibration value (float)
+  LoadCell_2.setCalFactor(100); // user set calibration value (float)
+  Serial.println("Startup + tare is complete");
+}
+
+void loop() {
+  //update() should be called at least as often as HX711 sample rate; >10Hz@10SPS, >80Hz@80SPS
+  //longer delay in scetch will reduce effective sample rate (be carefull with use of delay() in the loop)
+  LoadCell_1.update();
+  LoadCell_2.update();
+
+  //get smoothed value from data set + current calibration factor
+  if (millis() > t + 250) {
+    long a = LoadCell_1.getSingleConversionRaw();  
+    long b = LoadCell_2.getSingleConversionRaw();  
+    Serial.print("Load_cell 1 output val: ");
+    Serial.print(a);
+    Serial.print("    Load_cell 2 output val: ");
+    Serial.println(b);
+    t = millis();
+  }
+}

Arduino/Read_2x_load_cell_myown/Read_2x_load_cell_myown.ino

@@ -0,0 +1,43 @@
+#include <HX711_ADC.h>
+
+//HX711 constructor (dout pin, sck pin)
+HX711_ADC LoadCell_1(A3, A2); //HX711 1
+HX711_ADC LoadCell_2(A1, A0); //HX711 2
+
+long t;
+
+void setup() {
+  Serial.begin(9600); delay(10);
+  Serial.println();
+  Serial.println("Starting...");
+  LoadCell_1.begin();
+  LoadCell_2.begin();
+  long stabilisingtime = 2000; // tare preciscion can be improved by adding a few seconds of stabilising time
+  byte loadcell_1_rdy = 0;
+  byte loadcell_2_rdy = 0;
+  while ((loadcell_1_rdy + loadcell_2_rdy) < 2) { //run startup, stabilization and tare, both modules simultaniously
+    if (!loadcell_1_rdy) loadcell_1_rdy = LoadCell_1.startMultiple(stabilisingtime);
+    if (!loadcell_2_rdy) loadcell_2_rdy = LoadCell_2.startMultiple(stabilisingtime);
+  }
+  LoadCell_1.setCalFactor(100); // user set calibration value (float)
+  LoadCell_2.setCalFactor(100); // user set calibration value (float)
+  Serial.println("Startup + tare is complete");
+}
+
+void loop() {
+  //update() should be called at least as often as HX711 sample rate; >10Hz@10SPS, >80Hz@80SPS
+  //longer delay in scetch will reduce effective sample rate (be carefull with use of delay() in the loop)
+  LoadCell_1.update();
+  LoadCell_2.update();
+
+  //get smoothed value from data set + current calibration factor
+  if (millis() > t + 250) {
+    long a = LoadCell_1.getSingleConversionRaw();  
+    long b = LoadCell_2.getSingleConversionRaw();  
+    Serial.print("Load_cell 1 output val: ");
+    Serial.print(a);
+    Serial.print("    Load_cell 2 output val: ");
+    Serial.println(b);
+    t = millis();
+  }
+}

Arduino/beescale_lora_20oct2018/beescale_lora_20oct2018.ino

@@ -2,7 +2,7 @@
 #include <hal/hal.h>
 #include <SPI.h>
 #include "HX711.h"
-#include "Adafruit_Si7021.h"
+//#include "Adafruit_Si7021.h"
 #include "Adafruit_FRAM_SPI.h"
 
 // Defines

Arduino/beescale_lora_mcci/beescale_lora_mcci.ino

@@ -0,0 +1,672 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_TxBuffer.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|	MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum    {
+        // set this to interval between transmissions, in seconds
+        // Actual time will be a little longer because have to
+        // add measurement and broadcast time, but we attempt
+        // to compensate for the gross effects below.
+        CATCFG_T_CYCLE = 6 * 60,        // every 6 minutes
+        CATCFG_T_CYCLE_TEST = 30,       // every 10 seconds
+        };
+
+/* additional timing parameters; ususually you don't change these. */
+enum    {
+        CATCFG_T_WARMUP = 1,
+        CATCFG_T_SETTLE = 5,
+        CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+        };
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+        {
+        return (tCycle < CATCFG_T_OVERHEAD)
+                ? CATCFG_T_OVERHEAD
+                : tCycle - CATCFG_T_OVERHEAD
+                ;
+        }
+
+enum    {
+        CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+        };
+
+enum    {
+        PIN_ONE_WIRE =  A2,        // XSDA1 == A2
+        PIN_SHT10_CLK = 8,         // XSCL0 == D8
+        PIN_SHT10_DATA = 12,       // XSDA0 == D12
+        };
+
+// forwards
+static void settleDoneCb(osjob_t *pSendJob);
+static void warmupDoneCb(osjob_t *pSendJob);
+static void txFailedDoneCb(osjob_t *pSendJob);
+static void sleepDoneCb(osjob_t *pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+|	READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 4;
+static const uint8_t LORA_DATA_VERSION = 1;
+
+
+/****************************************************************************\
+|
+|	VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+  uint8_t version;                             // Versionierung des Paketformats
+  uint8_t vbat;                                // Batteriespannung (1 Einheit => 20 mV)
+  uint8_t humidity;                            // Luftfeuchtigkeit in Zehntels-Prozent
+  uint8_t pressure;                            // Luftdruck in XXXX 
+  uint8_t reading_offset[MAX_VALUES_TO_SEND];  // Zeit der Messung in Sekunden, erster Wert ist 0
+  int16_t weight_raw1[MAX_VALUES_TO_SEND];     // Reading (raw) der ersten Waegzelle
+  int16_t weight_raw2[MAX_VALUES_TO_SEND];     // Reading (raw) der zweiten Waegzelle
+  int16_t temperature[MAX_VALUES_TO_SEND];     // Temperatur in 1/10 Grad Celsius
+} LORA_data;
+
+// Global Variables
+LORA_data lora_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed (Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+		Catena::PIN_SPI2_MOSI,
+		Catena::PIN_SPI2_MISO,
+		Catena::PIN_SPI2_SCK
+		);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t *pJob);
+
+
+void setup(void)
+	{
+	gCatena.begin();
+
+  lora_data.version = LORA_DATA_VERSION;
+
+	setup_platform();
+	setup_bme280();
+  setup_scales();
+	setup_flash();
+	setup_uplink();
+	}
+
+void setup_platform(void)
+        {
+#ifdef USBCON
+        // if running unattended, don't wait for USB connect.
+        if (! (gCatena.GetOperatingFlags() &
+                static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)))
+                {
+                while (!Serial)
+                        /* wait for USB attach */
+                        yield();
+                }
+#endif
+
+        gCatena.SafePrintf("\n");
+        gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+        gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+                {
+                char sRegion[16];
+                gCatena.SafePrintf("Target network: %s / %s\n",
+                                gLoRaWAN.GetNetworkName(),
+                                gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion))
+                                );
+                }
+        gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+	gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+	gCatena.SafePrintf("USB enabled\n");
+#else
+	gCatena.SafePrintf("USB disabled\n");
+#endif
+
+	Catena::UniqueID_string_t CpuIDstring;
+
+	gCatena.SafePrintf(
+		"CPU Unique ID: %s\n",
+		gCatena.GetUniqueIDstring(&CpuIDstring)
+		);
+
+        gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+        gCatena.SafePrintf("\n");
+
+        // set up the LED
+        gLed.begin();
+        gCatena.registerObject(&gLed);
+        gLed.Set(LedPattern::FastFlash);
+
+	// set up LoRaWAN
+        gCatena.SafePrintf("LoRaWAN init: ");
+        if (!gLoRaWAN.begin(&gCatena))
+                {
+                gCatena.SafePrintf("failed\n");
+                }
+        else
+                {
+                gCatena.SafePrintf("succeeded\n");
+                }
+
+	gCatena.registerObject(&gLoRaWAN);
+
+        /* find the platform */
+        const Catena::EUI64_buffer_t *pSysEUI = gCatena.GetSysEUI();
+
+        uint32_t flags;
+        const CATENA_PLATFORM * const pPlatform = gCatena.GetPlatform();
+
+        if (pPlatform)
+                {
+                gCatena.SafePrintf("EUI64: ");
+                for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i)
+                        {
+                        gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+                        }
+                gCatena.SafePrintf("\n");
+                flags = gCatena.GetPlatformFlags();
+                gCatena.SafePrintf(
+                        "Platform Flags:  %#010x\n",
+                        flags
+                        );
+                gCatena.SafePrintf(
+                        "Operating Flags:  %#010x\n",
+                        gCatena.GetOperatingFlags()
+                        );
+                }
+        else
+                {
+                gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+                flags = 0;
+                }
+	}
+
+void setup_bme280(void)
+	{
+	if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep))
+		{
+		fBme = true;
+		}
+	else
+		{
+		fBme = false;
+		gCatena.SafePrintf("No BME280 found: check wiring\n");
+		}
+	}
+
+void setup_scales(void)
+  {
+  gCatena.SafePrintf("Setup Scales...\n");
+
+  // Initialize library with data output pin, clock input pin and gain factor.
+  // Channel selection is made by passing the appropriate gain:
+  // - With a gain factor of 64 or 128, channel A is selected
+  // - With a gain factor of 32, channel B is selected
+  // By omitting the gain factor parameter, the library
+  // default "128" (Channel A) is used here.
+  LoadCell_1.begin(A3, A2);
+  LoadCell_2.begin(A1, A0);
+
+  gCatena.SafePrintf("Setup Scales is complete\n");
+  }
+
+void setup_flash(void)
+	{
+	if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS))
+		{
+		fFlash = true;
+		gFlash.powerDown();
+		gCatena.SafePrintf("FLASH found, put power down\n");
+		}
+	else
+		{
+		fFlash = false;
+		gFlash.end();
+		gSPI2.end();
+		gCatena.SafePrintf("No FLASH found: check hardware\n");
+		}
+	}
+
+void setup_uplink(void)
+	{
+        /* trigger a join by sending the first packet */
+        if (!(gCatena.GetOperatingFlags() &
+                static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest)))
+                {
+                if (! gLoRaWAN.IsProvisioned())
+                        gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+                else
+                        {
+                        gLed.Set(LedPattern::Joining);
+
+                        /* warm up the BME280 by discarding a measurement */
+                        if (fBme)
+                                (void)gBME280.readTemperature();
+
+                        /* trigger a join by sending the first packet */
+                        startSendingUplink();
+                        }
+                }
+        }
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+        {
+
+        gCatena.poll();
+
+        /* for mfg test, don't tx, just fill -- this causes output to Serial */
+        if (gCatena.GetOperatingFlags() &
+                static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))
+                {
+                TxBuffer_t b;
+                fillBuffer(b);
+                delay(1000);
+                }
+        }
+
+
+void ReadSensors()
+  {
+
+  // vBat
+  float vBat = gCatena.ReadVbat();
+  gCatena.SafePrintf("vBat:    %d mV\n", (int) (vBat * 1000.0f));
+  lora_data.vbat = (vBat * 1000 / 20);
+
+  // vBus
+  float vBus = gCatena.ReadVbus();
+  gCatena.SafePrintf("vBus:    %d mV\n", (int) (vBus * 1000.0f));
+  fUsbPower = (vBus > 3.0) ? true : false;
+
+  if (fBme)
+    {
+    Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+    // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+    // pressure is 2 bytes, hPa * 10.
+    // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+    gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int) m.Temperature,
+            (int) m.Pressure,
+            (int) m.Humidity
+            );
+    lora_data.temperature[0] = m.Temperature;
+    lora_data.humidity = m.Temperature;
+    lora_data.pressure = m.Pressure;
+    }
+
+  gCatena.SafePrintf("Before Read Scales\n");
+  if (LoadCell_1.wait_ready_timeout(1000)) 
+    {
+    long w1 = LoadCell_1.read_average(5);
+    gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    } 
+  else {
+    Serial.println("HX711 LoadCell_1 not found.");
+  }
+  if (LoadCell_2.wait_ready_timeout(1000)) 
+    {
+    long w2 = LoadCell_2.read_average(5);
+    gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    } 
+  else {
+    Serial.println("HX711 LoadCell_2 not found.");
+  }
+  gCatena.SafePrintf("After Read Scales\n");
+
+  }
+
+
+void fillBuffer(TxBuffer_t &b)
+	{
+	b.begin();
+	FlagsSensor2 flag;
+
+	flag = FlagsSensor2(0);
+
+	b.put(FormatSensor2); /* the flag for this record format */
+	uint8_t * const pFlag = b.getp();
+	b.put(0x00); /* will be set to the flags */
+
+	// vBat is sent as 5000 * v
+	float vBat = gCatena.ReadVbat();
+	gCatena.SafePrintf("vBat:    %d mV\n", (int) (vBat * 1000.0f));
+	b.putV(vBat);
+	flag |= FlagsSensor2::FlagVbat;
+
+	// vBus is sent as 5000 * v
+	float vBus = gCatena.ReadVbus();
+	gCatena.SafePrintf("vBus:    %d mV\n", (int) (vBus * 1000.0f));
+	fUsbPower = (vBus > 3.0) ? true : false;
+
+	uint32_t bootCount;
+	if (gCatena.getBootCount(bootCount))
+		{
+		b.putBootCountLsb(bootCount);
+		flag |= FlagsSensor2::FlagBoot;
+		}
+
+	if (fBme)
+		{
+		Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+		// temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+		// pressure is 2 bytes, hPa * 10.
+		// humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+		gCatena.SafePrintf(
+		        "BME280:  T: %d P: %d RH: %d\n",
+		        (int) m.Temperature,
+		        (int) m.Pressure,
+		        (int) m.Humidity
+		        );
+		b.putT(m.Temperature);
+		b.putP(m.Pressure);
+		b.putRH(m.Humidity);
+		
+		flag |= FlagsSensor2::FlagTPH;
+		}
+
+
+  gCatena.SafePrintf("Before Read Scales\n");
+  if (LoadCell_1.wait_ready_timeout(1000)) 
+    {
+    long w1 = LoadCell_1.read_average(5);
+    gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    } 
+  else {
+    Serial.println("HX711 LoadCell_1 not found.");
+  }
+  if (LoadCell_2.wait_ready_timeout(1000)) 
+    {
+    long w2 = LoadCell_2.read_average(5);
+    gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    } 
+  else {
+    Serial.println("HX711 LoadCell_2 not found.");
+  }
+  gCatena.SafePrintf("After Read Scales\n");
+
+	*pFlag = uint8_t(flag);
+	}
+
+void startSendingUplink(void)
+	{
+	TxBuffer_t b;
+        LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+        fillBuffer(b);
+        if (savedLed != LedPattern::Joining)
+                gLed.Set(LedPattern::Sending);
+        else
+                gLed.Set(LedPattern::Joining);
+
+        bool fConfirmed = false;
+        if (gCatena.GetOperatingFlags() & (1 << 16))
+                {
+                gCatena.SafePrintf("requesting confirmed tx\n");
+                fConfirmed = true;
+                }
+
+        //gLoRaWAN.SendBuffer(b.getbase(), b.getn(), sendBufferDoneCb, NULL, fConfirmed);
+        gLoRaWAN.SendBuffer((uint8_t*) &lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+
+        
+        }
+
+static void sendBufferDoneCb(
+	void *pContext,
+	bool fStatus
+	)
+	{
+	osjobcb_t pFn;
+
+	gLed.Set(LedPattern::Settling);
+	if (! fStatus)
+		{
+		gCatena.SafePrintf("send buffer failed\n");
+		pFn = txFailedDoneCb;
+		}
+	else
+		{
+		pFn = settleDoneCb;
+		}
+	os_setTimedCallback(
+		&sensorJob,
+		os_getTime()+sec2osticks(CATCFG_T_SETTLE),
+		pFn
+		);
+	}
+
+static void txFailedDoneCb(
+	osjob_t *pSendJob
+	)
+	{
+	gCatena.SafePrintf("not provisioned, idling\n");
+	gLoRaWAN.Shutdown();
+	gLed.Set(LedPattern::NotProvisioned);
+	}
+
+
+static void settleDoneCb(
+	osjob_t *pSendJob
+	)
+	{
+	const bool fDeepSleep = checkDeepSleep();
+
+	if (! g_fPrintedSleeping)
+		doSleepAlert(fDeepSleep);
+
+	if (fDeepSleep)
+		doDeepSleep(pSendJob);
+	else
+		doLightSleep(pSendJob);
+	}
+
+bool checkDeepSleep(void)
+	{
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        bool fDeepSleep;
+
+        if (fDeepSleepTest)
+                {
+                fDeepSleep = true;
+                }
+#ifdef USBCON
+        else if (Serial.dtr())
+                {
+                fDeepSleep = false;
+                }
+#endif
+	else if (gCatena.GetOperatingFlags() & (1 << 17))
+                {
+                fDeepSleep = false;
+                }
+        else if ((gCatena.GetOperatingFlags() &
+                        static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0)
+                {
+                fDeepSleep = true;
+                }
+        else
+                {
+                fDeepSleep = false;
+                }
+
+	return fDeepSleep;
+	}
+
+void doSleepAlert(const bool fDeepSleep)
+	{
+	g_fPrintedSleeping = true;
+
+	if (fDeepSleep)
+		{
+        	bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+		const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+		gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+				   " (USB will disconnect while asleep)"
+#endif
+				   ": ",
+					deepSleepDelay
+					);
+
+		// sleep and print
+		gLed.Set(LedPattern::TwoShort);
+
+		for (auto n = deepSleepDelay; n > 0; --n)
+			{
+			uint32_t tNow = millis();
+
+			while (uint32_t(millis() - tNow) < 1000)
+				{
+				gCatena.poll();
+				yield();
+				}
+			gCatena.SafePrintf(".");
+			}
+		gCatena.SafePrintf("\nStarting deep sleep.\n");
+		uint32_t tNow = millis();
+		while (uint32_t(millis() - tNow) < 100)
+			{
+			gCatena.poll();
+			yield();
+			}
+		}
+	else
+		gCatena.SafePrintf("using light sleep\n");
+	}
+
+void doDeepSleep(osjob_t *pJob)
+	{
+	/* ok... now it's time for a deep sleep */
+	gLed.Set(LedPattern::Off);
+	Serial.end();
+	Wire.end();
+	SPI.end();
+	if (fFlash)
+		gSPI2.end();
+
+	gCatena.Sleep(CATCFG_T_INTERVAL);
+
+	/* and now... we're awake again. trigger another measurement */
+	Serial.begin();
+	Wire.begin();
+	SPI.begin();
+	if (fFlash)
+		gSPI2.begin();
+	sleepDoneCb(pJob);
+	}
+
+void doLightSleep(osjob_t *pJob)
+	{
+	gLed.Set(LedPattern::Sleeping);
+	os_setTimedCallback(
+		pJob,
+		os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+		sleepDoneCb
+		);
+	}
+
+static void sleepDoneCb(
+	osjob_t *pJob
+	)
+	{
+	gLed.Set(LedPattern::WarmingUp);
+
+	os_setTimedCallback(
+		&sensorJob,
+		os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+		warmupDoneCb
+		);
+	}
+
+static void warmupDoneCb(
+	osjob_t *pJob
+	)
+	{
+	startSendingUplink();
+	}

Arduino/beescale_lora_mcci_07jun2019/beescale_lora_mcci_07jun2019.ino

@@ -0,0 +1,978 @@
+/*
+
+  beescale_lora_mcci.ino
+
+  BeieliScale, see https://mini-beieli.ch
+
+  Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+  |
+  |  MANIFEST CONSTANTS & TYPEDEFS
+  |
+  \****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+  // set this to interval between transmissions, in seconds
+  // Actual time will be a little longer because have to
+  // add measurement and broadcast time, but we attempt
+  // to compensate for the gross effects below.
+  CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+  CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+  CATCFG_T_CYCLE_INITIAL = 30,    // every 30 seconds initially
+  CATCFG_INTERVAL_COUNT_INITIAL = 30,     // repeat for 15 minutes
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+  CATCFG_T_WARMUP = 1,
+  CATCFG_T_SETTLE = 5,
+  CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+  CATCFG_T_MIN = CATCFG_T_OVERHEAD,
+  CATCFG_T_MAX = CATCFG_T_CYCLE < 60 * 60 ? 60 * 60 : CATCFG_T_CYCLE,     // normally one hour max.
+  CATCFG_INTERVAL_COUNT = 30,
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+  return (tCycle < CATCFG_T_OVERHEAD)
+         ? CATCFG_T_OVERHEAD
+         : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+  CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+  PIN_ONE_WIRE = A2, // XSDA1 == A2
+  PIN_SHT10_CLK = 8, // XSCL0 == D8
+  PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// the cycle time to use
+unsigned gTxCycle;
+// remaining before we reset to default
+unsigned gTxCycleCount;
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+static Arduino_LoRaWAN::ReceivePortBufferCbFn receiveMessage;
+void setTxCycleTime(unsigned txCycle, unsigned txCount);
+
+// Additional Commands
+// forward reference to the command function
+cCommandStream::CommandFn cmdHello;
+cCommandStream::CommandFn cmdGetCalibrationSettings;
+cCommandStream::CommandFn cmdGetSensorReadings;
+cCommandStream::CommandFn cmdGetScale1;
+cCommandStream::CommandFn cmdGetScale2;
+cCommandStream::CommandFn cmdCalibrateZeroScale1;
+cCommandStream::CommandFn cmdCalibrateZeroScale2;
+cCommandStream::CommandFn cmdCalibrateScale1;
+cCommandStream::CommandFn cmdCalibrateScale2;
+
+// the individual commmands are put in this table
+static const cCommandStream::cEntry sMyExtraCommmands[] =
+{
+  { "hello", cmdHello },
+  { "get_calibration_settings", cmdGetCalibrationSettings },
+  { "get_sensor_readings", cmdGetSensorReadings },
+  { "calibrate_zero_scale1", cmdCalibrateZeroScale1 },
+  { "calibrate_zero_scale2", cmdCalibrateZeroScale2 },
+  { "calibrate_scale1", cmdCalibrateScale1 },
+  { "calibrate_scale2", cmdCalibrateScale2 },
+  // other commands go here....
+};
+
+/* a top-level structure wraps the above and connects to the system table */
+/* it optionally includes a "first word" so you can for sure avoid name clashes */
+static cCommandStream::cDispatch
+sMyExtraCommands_top(
+  sMyExtraCommmands,          /* this is the pointer to the table */
+  sizeof(sMyExtraCommmands),  /* this is the size of the table */
+  "application"                   /* this is the "first word" for all the commands in this table*/
+);
+
+
+/****************************************************************************\
+  |
+  | READ-ONLY DATA
+  |
+  \****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+  |
+  | VARIABLES
+  |
+  \****************************************************************************/
+
+// must be 65 bytes long...
+typedef struct {
+  long cal_w1_0;                                       // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  long cal_w2_0;                                       // 4 Bytes, Wert Waegezelle 2 ohne Gewicht
+  float cal_w1_factor;                                 // 4 Bytes,
+  float cal_w2_factor;
+  byte fill[49];
+} __attribute__((packed)) CONFIG_data;
+
+typedef struct {
+  uint8_t version;                                   // Version
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity[MAX_VALUES_TO_SEND];              // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur (Startwert) in 1/10 Grad Celsius
+  int8_t temperature_change[MAX_VALUES_TO_SEND - 1]; // Unterschied Temperatur seit letztem Messwert in 1/10 Grad Celsius
+  uint8_t pressure[MAX_VALUES_TO_SEND];              // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  uint16_t weight[MAX_VALUES_TO_SEND];               // Waegezelle Gesamtgewicht, in 5g
+  uint8_t offset_last_reading;                       // Zeitunterschied letzte zu erste Messung (in Minuten)
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+  uint8_t version;                                   // Version
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity;                                  // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur in 1/10 Grad Celsius
+  uint8_t pressure;                                  // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  int32_t weight1;                                   // Waegezelle 1, Raw Value
+  int32_t weight2;                                   // Waegezelle 2, Raw Value
+  uint16_t weight;                                   // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+typedef struct {
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity;                                  // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur in 1/10 Grad Celsius
+  uint8_t pressure;                                  // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  int32_t weight1;                                   // Waegezelle 1, Raw Value
+  int32_t weight2;                                   // Waegezelle 2, Raw Value
+  uint16_t weight;                                   // Waegezelle Gesamtgewicht, in 5g
+} SENSOR_data;
+
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+SENSOR_data last_sensor_reading;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+  Catena::PIN_SPI2_MOSI,
+  Catena::PIN_SPI2_MISO,
+  Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+  gCatena.begin();
+  ClearLoraData();
+
+  // Use D10 to regulate power
+  pinMode(D10, OUTPUT);
+
+  setup_platform();
+  setup_bme280();
+  //setup_scales();
+
+  /* for 4451, we need wider tolerances, it seems */
+#if defined(ARDUINO_ARCH_STM32)
+  LMIC_setClockError(10 * 65536 / 100);
+#endif
+
+  setup_flash();
+  setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  /* add our application-specific commands */
+  gCatena.addCommands(
+    sMyExtraCommands_top,
+    nullptr
+  );
+
+  // read config_data from fram...
+  gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
+  gCatena.getFram()->getField(cFramStorage::kBme680Cal, (uint8_t *)&config_data, sizeof(config_data));
+
+  gCatena.SafePrintf("cal_w1_0: %d\n", config_data.cal_w1_0);
+  gCatena.SafePrintf("cal_w2_0: %d\n", config_data.cal_w2_0);
+  gCatena.SafePrintf("cal_w1_factor: %d.%03d\n", (int)config_data.cal_w1_factor, (int)(config_data.cal_w1_factor * 1000) % 1000);
+  gCatena.SafePrintf("cal_w2_factor: %d.%03d\n", (int)config_data.cal_w2_factor, (int)(config_data.cal_w2_factor * 1000) % 1000);
+  gCatena.SafePrintf("Size of config_data: %d\n", sizeof(config_data));
+
+  // im Moment statisch...
+  //config_data.cal_w1_0 = 20000;
+  //config_data.cal_w2_0 = 20000;
+  //config_data.cal_w1_factor = 2.5;
+  //config_data.cal_w2_factor = 2.5;
+
+
+  // config_data speichern...
+  //gCatena.SafePrintf("Writing Calibration Config to FRAM...\n");
+  //gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+#ifdef USBCON
+  // if running unattended, don't wait for USB connect.
+  if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+    while (!Serial)
+      /* wait for USB attach */
+      yield();
+  }
+#endif
+
+  gCatena.SafePrintf("\n");
+  gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+  gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+  {
+    char sRegion[16];
+    gCatena.SafePrintf("Target network: %s / %s\n",
+                       gLoRaWAN.GetNetworkName(),
+                       gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+  }
+  gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+  gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+  gCatena.SafePrintf("USB enabled\n");
+#else
+  gCatena.SafePrintf("USB disabled\n");
+#endif
+
+  Catena::UniqueID_string_t CpuIDstring;
+
+  gCatena.SafePrintf(
+    "CPU Unique ID: %s\n",
+    gCatena.GetUniqueIDstring(&CpuIDstring));
+
+  gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+  gCatena.SafePrintf("\n");
+
+  // set up the LED
+  gLed.begin();
+  gCatena.registerObject(&gLed);
+  gLed.Set(LedPattern::FastFlash);
+
+  // set up LoRaWAN
+  gCatena.SafePrintf("LoRaWAN init: ");
+  if (!gLoRaWAN.begin(&gCatena)) {
+    gCatena.SafePrintf("failed\n");
+  }
+  else {
+    gCatena.SafePrintf("succeeded\n");
+  }
+
+  gLoRaWAN.SetReceiveBufferBufferCb(receiveMessage);
+  setTxCycleTime(CATCFG_T_CYCLE_INITIAL, CATCFG_INTERVAL_COUNT_INITIAL);
+
+  gCatena.registerObject(&gLoRaWAN);
+
+  /* find the platform */
+  const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+  uint32_t flags;
+  const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+  if (pPlatform) {
+    gCatena.SafePrintf("EUI64: ");
+    for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+      gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+    }
+    gCatena.SafePrintf("\n");
+    flags = gCatena.GetPlatformFlags();
+    gCatena.SafePrintf(
+      "Platform Flags:  %#010x\n",
+      flags);
+    gCatena.SafePrintf(
+      "Operating Flags:  %#010x\n",
+      gCatena.GetOperatingFlags());
+  }
+  else {
+    gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+    flags = 0;
+  }
+}
+
+void setup_bme280(void)
+{
+  if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+    fBme = true;
+  }
+  else {
+    fBme = false;
+    gCatena.SafePrintf("No BME280 found: check wiring\n");
+  }
+}
+
+void setup_scales(void)
+{
+  gCatena.SafePrintf("Setup Scales...\n");
+
+  // Enable Power
+  digitalWrite(D10, HIGH);
+
+  // Initialize library with data output pin, clock input pin and gain factor.
+  // Channel selection is made by passing the appropriate gain:
+  // - With a gain factor of 64 or 128, channel A is selected
+  // - With a gain factor of 32, channel B is selected
+  // By omitting the gain factor parameter, the library
+  // default "128" (Channel A) is used here.
+  gCatena.SafePrintf("Setup Scale 1...\n");
+  LoadCell_1.begin(A1, A0);
+
+  if (!(LoadCell_1.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 1 not ready.\n");
+  }
+
+  //LoadCell_1.power_down();
+
+  gCatena.SafePrintf("Setup Scale 2...\n");
+  LoadCell_2.begin(D12, A2);
+
+  if (!(LoadCell_2.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 2 not ready.\n");
+  }
+
+  //LoadCell_2.power_down();
+
+  gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+  if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+    fFlash = true;
+    gFlash.powerDown();
+    gCatena.SafePrintf("FLASH found, put power down\n");
+  }
+  else {
+    fFlash = false;
+    gFlash.end();
+    gSPI2.end();
+    gCatena.SafePrintf("No FLASH found: check hardware\n");
+  }
+}
+
+void setup_uplink(void)
+{
+  /* trigger a join by sending the first packet */
+  if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+    if (!gLoRaWAN.IsProvisioned())
+      gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+    else {
+      gLed.Set(LedPattern::Joining);
+
+      /* warm up the BME280 by discarding a measurement */
+      if (fBme)
+        (void)gBME280.readTemperature();
+
+      /* trigger a join by sending the first packet */
+      ReadSensors(true, false);
+    }
+  }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+  gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+  lora_data.version = LORA_DATA_VERSION;
+  lora_data.vbat = 0;
+  lora_data.temperature = 0;
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    lora_data.humidity[i] = 0;
+    lora_data.pressure[i] = 0;
+    lora_data.weight[i] = 0;
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      lora_data.temperature_change[i] = 0;
+    }
+  }
+
+  lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+  lora_data_first.vbat = 0;
+  lora_data_first.humidity = 0;
+  lora_data_first.pressure = 0;
+  lora_data_first.weight1 = 0;
+  lora_data_first.weight2 = 0;
+  lora_data_first.weight = 0;
+  lora_data_first.temperature = 0;
+
+  my_position = 0;
+}
+
+void ShowLORAData(bool firstTime)
+{
+  if (firstTime) {
+
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n", lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n", lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n", lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n", lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n", lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n", lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n", lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n", lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+
+  } else {
+
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n", lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n", lora_data.vbat);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n", lora_data.temperature);
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d", lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d", lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld", lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature_change\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND - 1; i++) {
+      gCatena.SafePrintf("%d", lora_data.temperature_change[i]);
+      if (i < (MAX_VALUES_TO_SEND - 2)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+
+  }
+}
+
+uint8_t GetVBatValue(int millivolts)
+{
+  uint8_t res;
+  if (millivolts <= 2510) {
+    res = 0;
+
+  } else if (millivolts >= 4295) {
+    res = 255;
+
+  }  else {
+    res = (millivolts - 2510) / 7;
+  }
+
+  return res;
+}
+
+void ReadSensors(bool firstTime, bool readOnly)
+{
+  int16_t temp_current;
+  uint8_t humidity_current;
+  uint8_t pressure_current;
+  int32_t weight1_current;
+  int32_t weight2_current;
+  int16_t temp_last;
+  int16_t temp_change;
+  int32_t weight_current32;
+  uint16_t weight_current;
+  uint16_t weight_last;
+
+  if (fBme) {
+    Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+    // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+    // pressure is 2 bytes, hPa * 10.
+    // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+    gCatena.SafePrintf(
+      "BME280:  T: %d P: %d RH: %d\n",
+      (int)m.Temperature,
+      (int)m.Pressure,
+      (int)m.Humidity);
+    temp_current = (int16_t)((m.Temperature) * 10);
+    humidity_current = (uint8_t)m.Humidity;
+    pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+    gCatena.SafePrintf("pressure_current: %d\n", pressure_current);
+  }
+
+
+  // vBat
+  float vBat = gCatena.ReadVbat();
+  gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+  // vBus
+  float vBus = gCatena.ReadVbus();
+  gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+  fUsbPower = (vBus > 3.0) ? true : false;
+
+  // Setup Scales
+  setup_scales();
+
+  // Read Scales
+  gCatena.SafePrintf("Before Read Scales\n");
+
+  // Power-Up HX711
+  LoadCell_1.power_up();
+
+  if (!(LoadCell_1.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 1 not ready.\n");
+  }
+
+  gCatena.SafePrintf("Before Read Scales\n");
+  if (LoadCell_1.is_ready()) {
+    Serial.println("HX711 LoadCell_1 is ready.");
+    long w1 = LoadCell_1.read_average(5);
+    weight1_current = (int32_t)w1;
+    gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+  }
+  else {
+    Serial.println("HX711 LoadCell_1 not ready.");
+  }
+
+  // Power-Down HX711
+  //LoadCell_1.power_down();
+
+  // Power-Up HX711
+  LoadCell_2.power_up();
+
+  if (!(LoadCell_2.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 2 not ready.\n");
+  }
+
+  if (LoadCell_2.is_ready()) {
+    Serial.println("HX711 LoadCell_2 is ready.");
+    long w2 = LoadCell_2.read_average(5);
+    weight2_current = (int32_t)w2;
+    gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+  }
+  else {
+    Serial.println("HX711 LoadCell_2 not ready.");
+  }
+
+  // Power-Down HX711
+  //LoadCell_2.power_down();
+
+  // Disable Power
+  digitalWrite(D10, LOW);
+
+  gCatena.SafePrintf("After Read Scales\n");
+
+  // Gewicht berechnen
+  weight_current32 = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+  if (weight_current32 < 0) {
+    weight_current32 = 0;
+  } else if (weight_current32 > UINT16_MAX) {
+    weight_current32 = UINT16_MAX;
+  }
+  weight_current = (uint16_t)weight_current32;
+
+  if (not(readOnly)) {
+    // calculate last value
+    weight_last = 0;
+    temp_last = lora_data.temperature;
+
+    for (int i = 0; i < my_position; i++) {
+      temp_last = temp_last + lora_data.temperature_change[i];
+    }
+
+    if (my_position > 0) {
+      weight_last = lora_data.weight[my_position - 1];
+    }
+
+    if (firstTime) {
+      lora_data_first.vbat = GetVBatValue((int)(vBat * 1000.0f));
+      lora_data_first.weight1 = weight1_current;
+      lora_data_first.weight2 = weight2_current;
+      lora_data_first.weight = weight_current;
+      lora_data_first.temperature = temp_current;
+      lora_data_first.humidity = humidity_current;
+      lora_data_first.pressure = pressure_current;
+    } else {
+      lora_data.vbat = GetVBatValue((int)(vBat * 1000.0f));
+      lora_data.weight[my_position] = weight_current;
+      if (my_position == 0) {
+        lora_data.temperature = temp_current;
+      } else {
+        temp_change = temp_current - temp_last;
+        if (temp_change > 127) {
+          temp_change = 127;
+        }
+        if (temp_change < -128) {
+          temp_change = -128;
+        }
+
+        lora_data.temperature_change[my_position - 1] = (uint8_t)temp_change;
+      }
+      lora_data.humidity[my_position] = humidity_current;
+      lora_data.pressure[my_position] = pressure_current;
+    }
+
+    if (my_position == 0) {
+      timer_pos0 = millis();
+    }
+
+    ShowLORAData(firstTime);
+    my_position++;
+
+    // Should we send the Data?
+    // we send data the first time the system is started, when the array is full
+    // or when the weight has fallen more than 100g or the first measurement is
+    // more than one hour old (which should not happen :-) )
+    if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+      lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      gCatena.SafePrintf("now going to sleep for 6 minutes...\n");
+      Serial.flush();
+      gLed.Set(LedPattern::Sleeping);
+      os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+      gCatena.Sleep(CATCFG_T_INTERVAL - 5);
+    }
+  }
+
+  last_sensor_reading.vbat = GetVBatValue((int)(vBat * 1000.0f));
+
+  last_sensor_reading.weight1 = weight1_current;
+  last_sensor_reading.weight2 = weight2_current;
+  last_sensor_reading.weight = weight_current;
+  last_sensor_reading.temperature = temp_current;
+  last_sensor_reading.humidity = humidity_current;
+  last_sensor_reading.pressure = pressure_current;
+}
+
+void startSendingUplink(bool firstTime)
+{
+  LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+  if (savedLed != LedPattern::Joining)
+    gLed.Set(LedPattern::Sending);
+  else
+    gLed.Set(LedPattern::Joining);
+
+  bool fConfirmed = false;
+  if (gCatena.GetOperatingFlags() & (1 << 16)) {
+    gCatena.SafePrintf("requesting confirmed tx\n");
+    fConfirmed = true;
+  }
+
+  if (firstTime) {
+    gCatena.SafePrintf("SendBuffer firstTime\n");
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+  } else {
+    gCatena.SafePrintf("SendBuffer not firstTime\n");
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+  }
+  ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+  void* pContext,
+  bool fStatus)
+{
+  osjobcb_t pFn;
+
+  gLed.Set(LedPattern::Settling);
+  if (!fStatus) {
+    gCatena.SafePrintf("send buffer failed\n");
+    pFn = txFailedDoneCb;
+  }
+  else {
+    pFn = settleDoneCb;
+  }
+  gCatena.SafePrintf("sendBufferDoneCB before TimedCallback\n");
+  os_setTimedCallback(
+    &sensorJob,
+    os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+    pFn);
+  gCatena.SafePrintf("sendBufferDoneCB after TimedCallback\n");
+}
+
+static void txFailedDoneCb(
+  osjob_t* pSendJob)
+{
+  gCatena.SafePrintf("not provisioned, idling\n");
+  gLoRaWAN.Shutdown();
+  gLed.Set(LedPattern::NotProvisioned);
+}
+
+
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+  gCatena.SafePrintf("settleDoneCb\n");
+  sleepDoneCb(pSendJob);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+  gLed.Set(LedPattern::WarmingUp);
+
+  os_setTimedCallback(
+    &sensorJob,
+    os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+    warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+  ReadSensors(false, false);
+}
+
+static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage, size_t nMessage)
+{
+  unsigned txCycle;
+  unsigned txCount;
+
+  gCatena.SafePrintf("receiveMessage was called!!!\n");
+
+  if (! (port == 1 && 2 <= nMessage && nMessage <= 3))
+  {
+    gCatena.SafePrintf("invalid message port(%02x)/length(%zx)\n",
+                       port, nMessage
+                      );
+    return;
+  }
+
+  txCycle = (pMessage[0] << 8) | pMessage[1];
+
+  if (txCycle < CATCFG_T_MIN || txCycle > CATCFG_T_MAX)
+  {
+    gCatena.SafePrintf("tx cycle time out of range: %u\n", txCycle);
+    return;
+  }
+
+  // byte [2], if present, is the repeat count.
+  // explicitly sending zero causes it to stick.
+  txCount = CATCFG_INTERVAL_COUNT;
+  if (nMessage >= 3)
+  {
+    txCount = pMessage[2];
+  }
+
+  // we print out the received message...
+  gCatena.SafePrintf("Received Data (Payload): \n");
+  for (byte i = 0; i < nMessage; i++) {
+    gCatena.SafePrintf("%c", pMessage[i]);
+  }
+  gCatena.SafePrintf("\n");
+
+  setTxCycleTime(txCycle, txCount);
+}
+
+void setTxCycleTime(unsigned txCycle, unsigned txCount)
+{
+  if (txCount > 0)
+    gCatena.SafePrintf(
+      "message cycle time %u seconds for %u messages\n",
+      txCycle, txCount
+    );
+  else
+    gCatena.SafePrintf(
+      "message cycle time %u seconds indefinitely\n",
+      txCycle
+    );
+
+  gTxCycle = txCycle;
+  gTxCycleCount = txCount;
+}
+
+/* process "application hello" -- args are ignored */
+// argv[0] is "hello"
+// argv[1..argc-1] are the (ignored) arguments
+cCommandStream::CommandStatus cmdHello(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("Hello, world!\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+
+cCommandStream::CommandStatus cmdGetCalibrationSettings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("{\n");
+  pThis->printf("  \"cal_w1_0\": \"%d\",\n", config_data.cal_w1_0);
+  pThis->printf("  \"cal_w2_0\": \"%d\",\n", config_data.cal_w2_0);
+  pThis->printf("  \"cal_w1_factor\": \"%d.%03d\n", (int)config_data.cal_w1_factor, (int)abs(config_data.cal_w1_factor * 1000) % 1000);
+  pThis->printf("  \"cal_w2_factor\": \"%d.%03d\n", (int)config_data.cal_w2_factor, (int)abs(config_data.cal_w2_factor * 1000) % 1000);
+  pThis->printf("}\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  pThis->printf("{\n");
+  pThis->printf("  \"weight\": \"%d\",\n", last_sensor_reading.weight);
+  pThis->printf("  \"weight1_raw\": \"%d\",\n", last_sensor_reading.weight1);
+  pThis->printf("  \"weight2_raw\": \"%d\",\n", last_sensor_reading.weight2);
+  pThis->printf("  \"temperature\": \"%d\",\n", last_sensor_reading.temperature);
+  pThis->printf("  \"humidity\": \"%d\",\n", last_sensor_reading.humidity);
+  pThis->printf("  \"pressure\": \"%d\",\n", last_sensor_reading.pressure);
+  pThis->printf("  \"batt\": \"%d\",\n", last_sensor_reading.vbat);
+  pThis->printf("}\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("getscale1\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("getscale2\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  config_data.cal_w1_0 = last_sensor_reading.weight1;
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_zero_scale1 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  config_data.cal_w2_0 = last_sensor_reading.weight2;
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_zero_scale2 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+
+  String w1_gramm(argv[1]);
+  config_data.cal_w1_factor = (((float)last_sensor_reading.weight1 - config_data.cal_w1_0) / w1_gramm.toFloat());
+
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_scale1 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+
+  String w2_gramm(argv[1]);
+  config_data.cal_w2_factor = (((float)last_sensor_reading.weight2 - config_data.cal_w2_0) / w2_gramm.toFloat());
+
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_scale2 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+

Arduino/beescale_lora_mcci_17jun2019/beescale_lora_mcci_17jun2019.ino

@@ -0,0 +1,988 @@
+/*
+
+  beescale_lora_mcci.ino
+
+  BeieliScale, see https://mini-beieli.ch
+
+  Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+  |
+  |  MANIFEST CONSTANTS & TYPEDEFS
+  |
+  \****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+  // set this to interval between transmissions, in seconds
+  // Actual time will be a little longer because have to
+  // add measurement and broadcast time, but we attempt
+  // to compensate for the gross effects below.
+  CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+  CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+  CATCFG_T_CYCLE_INITIAL = 30,    // every 30 seconds initially
+  CATCFG_INTERVAL_COUNT_INITIAL = 30,     // repeat for 15 minutes
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+  CATCFG_T_WARMUP = 1,
+  CATCFG_T_SETTLE = 5,
+  CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+  CATCFG_T_MIN = CATCFG_T_OVERHEAD,
+  CATCFG_T_MAX = CATCFG_T_CYCLE < 60 * 60 ? 60 * 60 : CATCFG_T_CYCLE,     // normally one hour max.
+  CATCFG_INTERVAL_COUNT = 30,
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+  return (tCycle < CATCFG_T_OVERHEAD)
+         ? CATCFG_T_OVERHEAD
+         : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+  CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+  PIN_ONE_WIRE = A2, // XSDA1 == A2
+  PIN_SHT10_CLK = 8, // XSCL0 == D8
+  PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// the cycle time to use
+unsigned gTxCycle;
+// remaining before we reset to default
+unsigned gTxCycleCount;
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+static Arduino_LoRaWAN::ReceivePortBufferCbFn receiveMessage;
+void setTxCycleTime(unsigned txCycle, unsigned txCount);
+
+// Additional Commands
+// forward reference to the command function
+cCommandStream::CommandFn cmdHello;
+cCommandStream::CommandFn cmdGetCalibrationSettings;
+cCommandStream::CommandFn cmdGetSensorReadings;
+cCommandStream::CommandFn cmdGetScale1;
+cCommandStream::CommandFn cmdGetScale2;
+cCommandStream::CommandFn cmdCalibrateZeroScale1;
+cCommandStream::CommandFn cmdCalibrateZeroScale2;
+cCommandStream::CommandFn cmdCalibrateScale1;
+cCommandStream::CommandFn cmdCalibrateScale2;
+
+// the individual commmands are put in this table
+static const cCommandStream::cEntry sMyExtraCommmands[] =
+{
+  { "hello", cmdHello },
+  { "get_calibration_settings", cmdGetCalibrationSettings },
+  { "get_sensor_readings", cmdGetSensorReadings },
+  { "calibrate_zero_scale1", cmdCalibrateZeroScale1 },
+  { "calibrate_zero_scale2", cmdCalibrateZeroScale2 },
+  { "calibrate_scale1", cmdCalibrateScale1 },
+  { "calibrate_scale2", cmdCalibrateScale2 },
+  // other commands go here....
+};
+
+/* a top-level structure wraps the above and connects to the system table */
+/* it optionally includes a "first word" so you can for sure avoid name clashes */
+static cCommandStream::cDispatch
+sMyExtraCommands_top(
+  sMyExtraCommmands,          /* this is the pointer to the table */
+  sizeof(sMyExtraCommmands),  /* this is the size of the table */
+  "application"                   /* this is the "first word" for all the commands in this table*/
+);
+
+
+/****************************************************************************\
+  |
+  | READ-ONLY DATA
+  |
+  \****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+  |
+  | VARIABLES
+  |
+  \****************************************************************************/
+
+// must be 65 bytes long...
+typedef struct {
+  long cal_w1_0;                                       // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  long cal_w2_0;                                       // 4 Bytes, Wert Waegezelle 2 ohne Gewicht
+  float cal_w1_factor;                                 // 4 Bytes,
+  float cal_w2_factor;
+  byte fill[123];
+} __attribute__((packed)) CONFIG_data;
+
+typedef struct {
+  uint8_t version;                                   // Version
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity[MAX_VALUES_TO_SEND];              // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur (Startwert) in 1/10 Grad Celsius
+  int8_t temperature_change[MAX_VALUES_TO_SEND - 1]; // Unterschied Temperatur seit letztem Messwert in 1/10 Grad Celsius
+  uint8_t pressure[MAX_VALUES_TO_SEND];              // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  uint16_t weight[MAX_VALUES_TO_SEND];               // Waegezelle Gesamtgewicht, in 5g
+  uint8_t offset_last_reading;                       // Zeitunterschied letzte zu erste Messung (in Minuten)
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+  uint8_t version;                                   // Version
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity;                                  // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur in 1/10 Grad Celsius
+  uint8_t pressure;                                  // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  int32_t weight1;                                   // Waegezelle 1, Raw Value
+  int32_t weight2;                                   // Waegezelle 2, Raw Value
+  uint16_t weight;                                   // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+typedef struct {
+  uint8_t vbat;                                      // Batteriespannung (0: <= 2510mV, 70: 3000mV, 170: 3700mV, 255: >= 4295mV [1 Einheit => 7mV])
+  uint8_t humidity;                                  // Luftfeuchtigkeit in Prozent
+  int16_t temperature;                               // Temperatur in 1/10 Grad Celsius
+  uint8_t pressure;                                  // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+  int32_t weight1;                                   // Waegezelle 1, Raw Value
+  int32_t weight2;                                   // Waegezelle 2, Raw Value
+  uint16_t weight;                                   // Waegezelle Gesamtgewicht, in 5g
+} SENSOR_data;
+
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+SENSOR_data last_sensor_reading;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+  Catena::PIN_SPI2_MOSI,
+  Catena::PIN_SPI2_MISO,
+  Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+  gCatena.begin();
+  ClearLoraData();
+
+  // Use D10 to regulate power
+  pinMode(D10, OUTPUT);
+
+  setup_platform();
+  setup_bme280();
+  //setup_scales();
+
+  /* for 4451, we need wider tolerances, it seems */
+#if defined(ARDUINO_ARCH_STM32)
+  LMIC_setClockError(10 * 65536 / 100);
+#endif
+
+  setup_flash();
+  setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  /* add our application-specific commands */
+  gCatena.addCommands(
+    sMyExtraCommands_top,
+    nullptr
+  );
+
+  // read config_data from fram...
+  gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
+  gCatena.getFram()->getField(cFramStorage::kBme680Cal, (uint8_t *)&config_data, sizeof(config_data));
+
+  gCatena.SafePrintf("cal_w1_0: %d\n", config_data.cal_w1_0);
+  gCatena.SafePrintf("cal_w2_0: %d\n", config_data.cal_w2_0);
+  gCatena.SafePrintf("cal_w1_factor: %d.%03d\n", (int)config_data.cal_w1_factor, (int)(config_data.cal_w1_factor * 1000) % 1000);
+  gCatena.SafePrintf("cal_w2_factor: %d.%03d\n", (int)config_data.cal_w2_factor, (int)(config_data.cal_w2_factor * 1000) % 1000);
+  gCatena.SafePrintf("Size of config_data: %d\n", sizeof(config_data));
+
+  // im Moment statisch...
+  //config_data.cal_w1_0 = 20000;
+  //config_data.cal_w2_0 = 20000;
+  //config_data.cal_w1_factor = 2.5;
+  //config_data.cal_w2_factor = 2.5;
+
+
+  // config_data speichern...
+  //gCatena.SafePrintf("Writing Calibration Config to FRAM...\n");
+  //gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+#ifdef USBCON
+  // if running unattended, don't wait for USB connect.
+  if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+    while (!Serial)
+      /* wait for USB attach */
+      yield();
+  }
+#endif
+
+  gCatena.SafePrintf("\n");
+  gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+  gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+  {
+    char sRegion[16];
+    gCatena.SafePrintf("Target network: %s / %s\n",
+                       gLoRaWAN.GetNetworkName(),
+                       gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+  }
+  gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+  gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+  gCatena.SafePrintf("USB enabled\n");
+#else
+  gCatena.SafePrintf("USB disabled\n");
+#endif
+
+  Catena::UniqueID_string_t CpuIDstring;
+
+  gCatena.SafePrintf(
+    "CPU Unique ID: %s\n",
+    gCatena.GetUniqueIDstring(&CpuIDstring));
+
+  gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+  gCatena.SafePrintf("\n");
+
+  // set up the LED
+  gLed.begin();
+  gCatena.registerObject(&gLed);
+  gLed.Set(LedPattern::FastFlash);
+
+  // set up LoRaWAN
+  gCatena.SafePrintf("LoRaWAN init: ");
+  if (!gLoRaWAN.begin(&gCatena)) {
+    gCatena.SafePrintf("failed\n");
+  }
+  else {
+    gCatena.SafePrintf("succeeded\n");
+  }
+
+  gLoRaWAN.SetReceiveBufferBufferCb(receiveMessage);
+  setTxCycleTime(CATCFG_T_CYCLE_INITIAL, CATCFG_INTERVAL_COUNT_INITIAL);
+
+  gCatena.registerObject(&gLoRaWAN);
+
+  /* find the platform */
+  const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+  uint32_t flags;
+  const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+  if (pPlatform) {
+    gCatena.SafePrintf("EUI64: ");
+    for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+      gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+    }
+    gCatena.SafePrintf("\n");
+    flags = gCatena.GetPlatformFlags();
+    gCatena.SafePrintf(
+      "Platform Flags:  %#010x\n",
+      flags);
+    gCatena.SafePrintf(
+      "Operating Flags:  %#010x\n",
+      gCatena.GetOperatingFlags());
+  }
+  else {
+    gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+    flags = 0;
+  }
+}
+
+void setup_bme280(void)
+{
+  if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+    fBme = true;
+  }
+  else {
+    fBme = false;
+    gCatena.SafePrintf("No BME280 found: check wiring\n");
+  }
+}
+
+void setup_scales(void)
+{
+  gCatena.SafePrintf("Setup Scales...\n");
+
+  // Enable Power
+  digitalWrite(D10, HIGH);
+
+  // Initialize library with data output pin, clock input pin and gain factor.
+  // Channel selection is made by passing the appropriate gain:
+  // - With a gain factor of 64 or 128, channel A is selected
+  // - With a gain factor of 32, channel B is selected
+  // By omitting the gain factor parameter, the library
+  // default "128" (Channel A) is used here.
+  gCatena.SafePrintf("Setup Scale 1...\n");
+  LoadCell_1.begin(A1, A0);
+
+  if (!(LoadCell_1.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 1 not ready.\n");
+  }
+
+  //LoadCell_1.power_down();
+
+  gCatena.SafePrintf("Setup Scale 2...\n");
+  LoadCell_2.begin(D12, A2);
+
+  if (!(LoadCell_2.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 2 not ready.\n");
+  }
+
+  //LoadCell_2.power_down();
+
+  gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+  if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+    fFlash = true;
+    gFlash.powerDown();
+    gCatena.SafePrintf("FLASH found, put power down\n");
+  }
+  else {
+    fFlash = false;
+    gFlash.end();
+    gSPI2.end();
+    gCatena.SafePrintf("No FLASH found: check hardware\n");
+  }
+}
+
+void setup_uplink(void)
+{
+  /* trigger a join by sending the first packet */
+  if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+    if (!gLoRaWAN.IsProvisioned())
+      gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+    else {
+      gLed.Set(LedPattern::Joining);
+
+      /* warm up the BME280 by discarding a measurement */
+      if (fBme)
+        (void)gBME280.readTemperature();
+
+      /* trigger a join by sending the first packet */
+      ReadSensors(true, false);
+    }
+  }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+  gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+  lora_data.version = LORA_DATA_VERSION;
+  lora_data.vbat = 0;
+  lora_data.temperature = 0;
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    lora_data.humidity[i] = 0;
+    lora_data.pressure[i] = 0;
+    lora_data.weight[i] = 0;
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      lora_data.temperature_change[i] = 0;
+    }
+  }
+
+  lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+  lora_data_first.vbat = 0;
+  lora_data_first.humidity = 0;
+  lora_data_first.pressure = 0;
+  lora_data_first.weight1 = 0;
+  lora_data_first.weight2 = 0;
+  lora_data_first.weight = 0;
+  lora_data_first.temperature = 0;
+
+  my_position = 0;
+}
+
+void ShowLORAData(bool firstTime)
+{
+  if (firstTime) {
+
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n", lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n", lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n", lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n", lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n", lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n", lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n", lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n", lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+
+  } else {
+
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n", lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n", lora_data.vbat);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n", lora_data.temperature);
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d", lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d", lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld", lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature_change\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND - 1; i++) {
+      gCatena.SafePrintf("%d", lora_data.temperature_change[i]);
+      if (i < (MAX_VALUES_TO_SEND - 2)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+
+  }
+}
+
+uint8_t GetVBatValue(int millivolts)
+{
+  uint8_t res;
+  if (millivolts <= 2510) {
+    res = 0;
+
+  } else if (millivolts >= 4295) {
+    res = 255;
+
+  }  else {
+    res = (millivolts - 2510) / 7;
+  }
+
+  return res;
+}
+
+void ReadSensors(bool firstTime, bool readOnly)
+{
+  int16_t temp_current;
+  uint8_t humidity_current;
+  uint8_t pressure_current;
+  int32_t weight1_current;
+  int32_t weight2_current;
+  int16_t temp_last;
+  int16_t temp_change;
+  int32_t weight_current32;
+  uint16_t weight_current;
+  uint16_t weight_last;
+
+  if (fBme) {
+    Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+    // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+    // pressure is 2 bytes, hPa * 10.
+    // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+    gCatena.SafePrintf(
+      "BME280:  T: %d P: %d RH: %d\n",
+      (int)m.Temperature,
+      (int)m.Pressure,
+      (int)m.Humidity);
+    temp_current = (int16_t)((m.Temperature) * 10);
+    humidity_current = (uint8_t)m.Humidity;
+    pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+    gCatena.SafePrintf("pressure_current: %d\n", pressure_current);
+  }
+
+
+  // vBat
+  float vBat = gCatena.ReadVbat();
+  gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+  // vBus
+  float vBus = gCatena.ReadVbus();
+  gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+  fUsbPower = (vBus > 3.0) ? true : false;
+
+  // Setup Scales
+  setup_scales();
+
+  // Read Scales
+  gCatena.SafePrintf("Before Read Scales\n");
+
+  // Power-Up HX711
+  LoadCell_1.power_up();
+
+  if (!(LoadCell_1.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 1 not ready.\n");
+  }
+
+  gCatena.SafePrintf("Before Read Scales\n");
+  if (LoadCell_1.is_ready()) {
+    Serial.println("HX711 LoadCell_1 is ready.");
+    long w1 = LoadCell_1.read_average(5);
+    weight1_current = (int32_t)w1;
+    gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    gCatena.SafePrintf("Load_cell 1 weight1_current: %ld\n", weight1_current);
+  }
+  else {
+    Serial.println("HX711 LoadCell_1 not ready.");
+  }
+
+  // Power-Down HX711
+  //LoadCell_1.power_down();
+
+  // Power-Up HX711
+  LoadCell_2.power_up();
+
+  if (!(LoadCell_2.wait_ready_timeout(1000))) {
+    gCatena.SafePrintf("Scale 2 not ready.\n");
+  }
+
+  if (LoadCell_2.is_ready()) {
+    Serial.println("HX711 LoadCell_2 is ready.");
+    long w2 = LoadCell_2.read_average(5);
+    weight2_current = (int32_t)w2;
+    gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    gCatena.SafePrintf("Load_cell 2 weight2_current: %ld\n", weight2_current);
+  }
+  else {
+    Serial.println("HX711 LoadCell_2 not ready.");
+  }
+
+  // Power-Down HX711
+  //LoadCell_2.power_down();
+
+  // Disable Power
+  digitalWrite(D10, LOW);
+
+  gCatena.SafePrintf("After Read Scales\n");
+
+  // Gewicht berechnen
+  weight_current32 = (int32_t)((((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor)) / 5.0);
+  if (weight_current32 < 0) {
+    weight_current32 = 0;
+  } else if (weight_current32 > UINT16_MAX) {
+    weight_current32 = UINT16_MAX;
+  }
+  weight_current = (uint16_t)weight_current32;
+
+  if (not(readOnly)) {
+    // calculate last value
+    weight_last = 0;
+    temp_last = lora_data.temperature;
+
+    for (int i = 0; i < my_position; i++) {
+      temp_last = temp_last + lora_data.temperature_change[i];
+    }
+
+    if (my_position > 0) {
+      weight_last = lora_data.weight[my_position - 1];
+    }
+
+    if (firstTime) {
+      lora_data_first.vbat = GetVBatValue((int)(vBat * 1000.0f));
+      lora_data_first.weight1 = weight1_current;
+      lora_data_first.weight2 = weight2_current;
+      lora_data_first.weight = weight_current;
+      lora_data_first.temperature = temp_current;
+      lora_data_first.humidity = humidity_current;
+      lora_data_first.pressure = pressure_current;
+    } else {
+      lora_data.vbat = GetVBatValue((int)(vBat * 1000.0f));
+      lora_data.weight[my_position] = weight_current;
+      if (my_position == 0) {
+        lora_data.temperature = temp_current;
+      } else {
+        temp_change = temp_current - temp_last;
+        if (temp_change > 127) {
+          temp_change = 127;
+        }
+        if (temp_change < -128) {
+          temp_change = -128;
+        }
+
+        lora_data.temperature_change[my_position - 1] = (uint8_t)temp_change;
+      }
+      lora_data.humidity[my_position] = humidity_current;
+      lora_data.pressure[my_position] = pressure_current;
+    }
+
+    if (my_position == 0) {
+      timer_pos0 = millis();
+    }
+
+    ShowLORAData(firstTime);
+    my_position++;
+
+    // Should we send the Data?
+    // we send data the first time the system is started, when the array is full
+    // or when the weight has fallen more than 100g or the first measurement is
+    // more than one hour old (which should not happen :-) )
+    if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+      lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      gCatena.SafePrintf("now going to sleep for 6 minutes...\n");
+      Serial.flush();
+      gLed.Set(LedPattern::Sleeping);
+      os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+      if (!fUsbPower) { 
+        gCatena.Sleep(CATCFG_T_INTERVAL - 5);
+      }
+    }
+  }
+
+  last_sensor_reading.vbat = GetVBatValue((int)(vBat * 1000.0f));
+
+  last_sensor_reading.weight1 = weight1_current;
+  last_sensor_reading.weight2 = weight2_current;
+  last_sensor_reading.weight = weight_current;
+  last_sensor_reading.temperature = temp_current;
+  last_sensor_reading.humidity = humidity_current;
+  last_sensor_reading.pressure = pressure_current;
+}
+
+void startSendingUplink(bool firstTime)
+{
+  LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+  if (savedLed != LedPattern::Joining)
+    gLed.Set(LedPattern::Sending);
+  else
+    gLed.Set(LedPattern::Joining);
+
+  bool fConfirmed = false;
+  if (gCatena.GetOperatingFlags() & (1 << 16)) {
+    gCatena.SafePrintf("requesting confirmed tx\n");
+    fConfirmed = true;
+  }
+
+  if (firstTime) {
+    gCatena.SafePrintf("SendBuffer firstTime\n");
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+  } else {
+    gCatena.SafePrintf("SendBuffer not firstTime\n");
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+  }
+  ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+  void* pContext,
+  bool fStatus)
+{
+  osjobcb_t pFn;
+
+  gLed.Set(LedPattern::Settling);
+  if (!fStatus) {
+    gCatena.SafePrintf("send buffer failed\n");
+    pFn = txFailedDoneCb;
+  }
+  else {
+    pFn = settleDoneCb;
+  }
+  gCatena.SafePrintf("sendBufferDoneCB before TimedCallback\n");
+  os_setTimedCallback(
+    &sensorJob,
+    os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+    pFn);
+  gCatena.SafePrintf("sendBufferDoneCB after TimedCallback\n");
+}
+
+static void txFailedDoneCb(
+  osjob_t* pSendJob)
+{
+  gCatena.SafePrintf("not provisioned, idling\n");
+  gLoRaWAN.Shutdown();
+  gLed.Set(LedPattern::NotProvisioned);
+}
+
+
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+  gCatena.SafePrintf("settleDoneCb\n");
+  sleepDoneCb(pSendJob);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+  gLed.Set(LedPattern::WarmingUp);
+
+  os_setTimedCallback(
+    &sensorJob,
+    os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+    warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+  ReadSensors(false, false);
+}
+
+static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage, size_t nMessage)
+{
+  unsigned txCycle;
+  unsigned txCount;
+
+  gCatena.SafePrintf("receiveMessage was called!!!\n");
+
+  if (! (port == 1 && 2 <= nMessage && nMessage <= 3))
+  {
+    gCatena.SafePrintf("invalid message port(%02x)/length(%zx)\n",
+                       port, nMessage
+                      );
+    return;
+  }
+
+  txCycle = (pMessage[0] << 8) | pMessage[1];
+
+  if (txCycle < CATCFG_T_MIN || txCycle > CATCFG_T_MAX)
+  {
+    gCatena.SafePrintf("tx cycle time out of range: %u\n", txCycle);
+    return;
+  }
+
+  // byte [2], if present, is the repeat count.
+  // explicitly sending zero causes it to stick.
+  txCount = CATCFG_INTERVAL_COUNT;
+  if (nMessage >= 3)
+  {
+    txCount = pMessage[2];
+  }
+
+  // we print out the received message...
+  gCatena.SafePrintf("Received Data (Payload): \n");
+  for (byte i = 0; i < nMessage; i++) {
+    gCatena.SafePrintf("%c", pMessage[i]);
+  }
+  gCatena.SafePrintf("\n");
+
+  setTxCycleTime(txCycle, txCount);
+}
+
+void setTxCycleTime(unsigned txCycle, unsigned txCount)
+{
+  if (txCount > 0)
+    gCatena.SafePrintf(
+      "message cycle time %u seconds for %u messages\n",
+      txCycle, txCount
+    );
+  else
+    gCatena.SafePrintf(
+      "message cycle time %u seconds indefinitely\n",
+      txCycle
+    );
+
+  gTxCycle = txCycle;
+  gTxCycleCount = txCount;
+}
+
+/* process "application hello" -- args are ignored */
+// argv[0] is "hello"
+// argv[1..argc-1] are the (ignored) arguments
+cCommandStream::CommandStatus cmdHello(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("Hello, world!\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+
+cCommandStream::CommandStatus cmdGetCalibrationSettings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("{\n");
+  pThis->printf("  \"cal_w1_0\": \"%d\",\n", config_data.cal_w1_0);
+  pThis->printf("  \"cal_w2_0\": \"%d\",\n", config_data.cal_w2_0);
+  pThis->printf("  \"cal_w1_factor\": \"%d.%03d\n", (int)config_data.cal_w1_factor, (int)abs(config_data.cal_w1_factor * 1000) % 1000);
+  pThis->printf("  \"cal_w2_factor\": \"%d.%03d\n", (int)config_data.cal_w2_factor, (int)abs(config_data.cal_w2_factor * 1000) % 1000);
+  pThis->printf("}\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  pThis->printf("{\n");
+  pThis->printf("  \"weight\": \"%d\",\n", last_sensor_reading.weight);
+  pThis->printf("  \"weight1_raw\": \"%d\",\n", last_sensor_reading.weight1);
+  pThis->printf("  \"weight2_raw\": \"%d\",\n", last_sensor_reading.weight2);
+  pThis->printf("  \"temperature\": \"%d\",\n", last_sensor_reading.temperature);
+  pThis->printf("  \"humidity\": \"%d\",\n", last_sensor_reading.humidity);
+  pThis->printf("  \"pressure\": \"%d\",\n", last_sensor_reading.pressure);
+  pThis->printf("  \"batt\": \"%d\",\n", last_sensor_reading.vbat);
+  pThis->printf("}\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("getscale1\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  pThis->printf("getscale2\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  config_data.cal_w1_0 = last_sensor_reading.weight1;
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_zero_scale1 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+  config_data.cal_w2_0 = last_sensor_reading.weight2;
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_zero_scale2 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+
+  String w1_gramm(argv[1]);
+  config_data.cal_w1_factor = (((float)last_sensor_reading.weight1 - config_data.cal_w1_0) / w1_gramm.toFloat());
+
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  gCatena.SafePrintf("last_sensor_reading.weight1: %ld\n", last_sensor_reading.weight1);
+  gCatena.SafePrintf("config_data.cal_w1_0: %ld\n", config_data.cal_w1_0);
+  gCatena.SafePrintf("w1_gramm: %s\n", w1_gramm);
+  gCatena.SafePrintf("w1_gramm (float): %d\n", (int)w1_gramm.toFloat());
+  gCatena.SafePrintf("config_data.cal_w1_factor: %d\n", (int)config_data.cal_w1_factor);
+  
+  pThis->printf("{ \"msg\": \"calibrate_scale1 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale2(cCommandStream *pThis, void *pContext, int argc, char **argv)
+{
+  ReadSensors(false, true);
+
+  String w2_gramm(argv[1]);
+  config_data.cal_w2_factor = (((float)last_sensor_reading.weight2 - config_data.cal_w2_0) / w2_gramm.toFloat());
+
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+  pThis->printf("{ \"msg\": \"calibrate_scale2 was successful\" }\n");
+
+  return cCommandStream::CommandStatus::kSuccess;
+}
+

Arduino/beescale_lora_mcci_17may2019/beescale_lora_mcci_17may2019.ino

@@ -0,0 +1,850 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+    CATCFG_T_CYCLE_INITIAL = 30,    // every 30 seconds initially
+    CATCFG_INTERVAL_COUNT_INITIAL = 30,     // repeat for 15 minutes
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+    CATCFG_T_MIN = CATCFG_T_OVERHEAD,
+    CATCFG_T_MAX = CATCFG_T_CYCLE < 60 * 60 ? 60 * 60 : CATCFG_T_CYCLE,     // normally one hour max.
+    CATCFG_INTERVAL_COUNT = 30,
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// the cycle time to use
+unsigned gTxCycle;
+// remaining before we reset to default
+unsigned gTxCycleCount;
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+static Arduino_LoRaWAN::ReceivePortBufferCbFn receiveMessage;
+void setTxCycleTime(unsigned txCycle, unsigned txCount);
+
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+// must be 65 bytes long...
+typedef struct {
+  long cal_w1_0;                                      // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  long cal_w2_0;                                      // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  float cal_w1_factor;                                // 4 Bytes,
+  float cal_w2_factor;
+  byte fill[49];
+} __attribute__((packed)) CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                   // Version
+    uint8_t vbat;                                      // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];              // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                               // Temperatur (Startwert) in 1/10 Grad Celsius
+    int8_t temperature_change[MAX_VALUES_TO_SEND - 1]; // Unterschied Temperatur seit letztem Messwert in 1/10 Grad Celsius
+    uint8_t pressure[MAX_VALUES_TO_SEND];              // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];               // Waegezelle Gesamtgewicht, in 5g
+    uint8_t offset_last_reading;                       // Zeitunterschied letzte zu erste Messung (in Minuten) 
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                              // Temperatur in 1/10 Grad Celsius
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+
+    /* for 4451, we need wider tolerances, it seems */
+#if defined(ARDUINO_ARCH_STM32)
+        LMIC_setClockError(10 * 65536 / 100);
+#endif
+
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // read config_data from fram...
+  gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
+  gCatena.getFram()->getField(cFramStorage::kBme680Cal, (uint8_t *)&config_data, sizeof(config_data));
+
+  gCatena.SafePrintf("cal_w1_0: %d\n",config_data.cal_w1_0);
+  gCatena.SafePrintf("cal_w2_0: %d\n",config_data.cal_w2_0);
+  gCatena.SafePrintf("cal_w1_factor: %d.%03d\n",(int)config_data.cal_w1_factor,(int)(config_data.cal_w1_factor*1000)%1000);
+  gCatena.SafePrintf("cal_w2_factor: %d.%03d\n",(int)config_data.cal_w2_factor,(int)(config_data.cal_w2_factor*1000)%1000);
+  gCatena.SafePrintf("Size of config_data: %d\n",sizeof(config_data));
+
+  // im Moment statisch...
+  //config_data.cal_w1_0 = 20000;
+  //config_data.cal_w2_0 = 20000;
+  //config_data.cal_w1_factor = 2.5;
+  //config_data.cal_w2_factor = 2.5;
+
+
+  // config_data speichern...
+  gCatena.SafePrintf("Writing Calibration Config to FRAM...\n");
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gLoRaWAN.SetReceiveBufferBufferCb(receiveMessage);
+    setTxCycleTime(CATCFG_T_CYCLE_INITIAL, CATCFG_INTERVAL_COUNT_INITIAL);
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    //LoadCell_1.begin(A3, A2);
+   
+    if (!(LoadCell_1.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 1 not ready.\n");
+    }
+    
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    //LoadCell_2.begin(A1, A0);
+
+    if (!(LoadCell_2.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 2 not ready.\n");
+    }
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    lora_data.temperature = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        if (i < (MAX_VALUES_TO_SEND -1)) { 
+          lora_data.temperature_change[i] = 0;
+        }
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data.temperature);
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature_change\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND - 1; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature_change[i]);
+      if (i < (MAX_VALUES_TO_SEND - 2)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime)
+{
+
+    // Power-Up HX711
+    LoadCell_1.power_up();
+    LoadCell_1.power_up();
+    
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int16_t temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    int16_t temp_last;
+    int16_t temp_change;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int16_t)((m.Temperature) * 10);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Power-Down HX711
+    LoadCell_1.power_down();
+    LoadCell_1.power_down();
+
+
+    // Gewicht berechnen
+    weight_current = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+
+    // calculate last value
+    weight_last = 0;
+    temp_last = lora_data.temperature;
+
+    for (int i = 0; i < my_position; i++) {
+        temp_last = temp_last + lora_data.temperature_change[i];
+    }    
+
+    if (my_position > 0) {
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    if (firstTime) { 
+      lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data_first.weight1 = weight1_current;
+      lora_data_first.weight2 = weight2_current;
+      lora_data_first.weight = weight_current;
+      lora_data_first.temperature = temp_current;
+      lora_data_first.humidity = humidity_current;
+      lora_data_first.pressure = pressure_current;
+    } else {
+      lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data.weight[my_position] = weight_current;
+      if (my_position == 0) {
+        lora_data.temperature = temp_current;
+      } else {
+        temp_change = temp_current - temp_last; 
+        if (temp_change > 127) {
+          temp_change = 127;
+        }
+        if (temp_change < -128) {
+          temp_change = -128;
+        }
+        
+        lora_data.temperature_change[my_position - 1] = (uint8_t)temp_change;
+      }
+      lora_data.humidity[my_position] = humidity_current;
+      lora_data.pressure[my_position] = pressure_current;
+    }
+  
+    if (my_position == 0) {
+      timer_pos0 = millis();
+    }
+
+    ShowLORAData(firstTime);
+    my_position++;
+
+    // Should we send the Data?
+    // we send data the first time the system is started, when the array is full 
+    // or when the weight has fallen more than 100g or the first measurement is 
+    // more than one hour old (which should not happen :-) )
+    if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+      lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(bool firstTime)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}
+
+static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage, size_t nMessage)
+{
+    unsigned txCycle;
+    unsigned txCount;
+
+    gCatena.SafePrintf("receiveMessage was called!!!\n");
+
+    if (! (port == 1 && 2 <= nMessage && nMessage <= 3))
+            {
+            gCatena.SafePrintf("invalid message port(%02x)/length(%zx)\n",
+                    port, nMessage
+                    );
+            return;
+            }
+
+     txCycle = (pMessage[0] << 8) | pMessage[1];
+
+    if (txCycle < CATCFG_T_MIN || txCycle > CATCFG_T_MAX)
+            {
+            gCatena.SafePrintf("tx cycle time out of range: %u\n", txCycle);
+            return;
+            }
+
+    // byte [2], if present, is the repeat count.
+    // explicitly sending zero causes it to stick.
+    txCount = CATCFG_INTERVAL_COUNT;
+    if (nMessage >= 3)
+            {
+            txCount = pMessage[2];
+            }
+
+     // we print out the received message...
+     gCatena.SafePrintf("Received Data (Payload): \n");
+     for (byte i = 0; i < nMessage; i++) {
+       gCatena.SafePrintf("%c", pMessage[i]);
+     }
+     gCatena.SafePrintf("\n");
+     
+     setTxCycleTime(txCycle, txCount);
+}
+
+void setTxCycleTime(unsigned txCycle, unsigned txCount)
+{
+    if (txCount > 0)
+            gCatena.SafePrintf(
+                    "message cycle time %u seconds for %u messages\n",
+                    txCycle, txCount
+                    );
+    else
+            gCatena.SafePrintf(
+                    "message cycle time %u seconds indefinitely\n",
+                    txCycle
+                    );
+
+    gTxCycle = txCycle;
+    gTxCycleCount = txCount;
+}
+

Arduino/beescale_lora_mcci_20apr2019/beescale_lora_mcci_20apr2019.ino

@@ -0,0 +1,718 @@
+  /*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+  long cal_w1_0;
+  long cal_w2_0;
+  float cal_w1_factor;
+  float cal_w2_factor;
+} CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];             // Luftfeuchtigkeit in Prozent
+    uint8_t temperature[MAX_VALUES_TO_SEND];          // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure[MAX_VALUES_TO_SEND];             // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];              // Waegezelle Gesamtgewicht, in 5g
+    uint8_t offset_last_reading;
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    uint8_t temperature;                              // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // im Moment statisch...
+  config_data.cal_w1_0 = 20000;
+  config_data.cal_w2_0 = 20000;
+  config_data.cal_w1_factor = 2.5;
+  config_data.cal_w2_factor = 2.5;
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+   
+    if (!(LoadCell_1.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 1 not ready.\n");
+    }
+    
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    if (!(LoadCell_2.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 2 not ready.\n");
+    }
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    uint8_t  temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    uint8_t temp_last;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (uint8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Gewicht berechnen
+    weight_current = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+
+    // calculate last value
+    weight_last = 0;
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    if (firstTime) { 
+      lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data_first.weight1 = weight1_current;
+      lora_data_first.weight2 = weight2_current;
+      lora_data_first.weight = weight_current;
+      lora_data_first.temperature = temp_current;
+      lora_data_first.humidity = humidity_current;
+      lora_data_first.pressure = pressure_current;
+    } else {
+      lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data.weight[my_position] = weight_current;
+      lora_data.temperature[my_position] = temp_current;
+      lora_data.humidity[my_position] = humidity_current;
+      lora_data.pressure[my_position] = pressure_current;
+    }
+  
+    if (my_position == 0) {
+      timer_pos0 = millis();
+    }
+
+    ShowLORAData(firstTime);
+    my_position++;
+
+    // Should we send the Data?
+    // we send data the first time the system is started, when the array is full 
+    // or when the weight has fallen more than 100g or the first measurement is 
+    // more than one hour old (which should not happen :-) )
+    if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+      lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(bool firstTime)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_22feb2019/beescale_lora_mcci_22feb2019.ino

@@ -0,0 +1,649 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 4;
+static const uint8_t LORA_DATA_VERSION = 1;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+    uint8_t version; // Versionierung des Paketformats
+    uint8_t vbat; // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity; // Luftfeuchtigkeit in Zehntels-Prozent
+    uint8_t pressure; // Luftdruck in XXXX
+    uint8_t reading_offset[MAX_VALUES_TO_SEND]; // Zeit der Messung in Sekunden, erster Wert ist 0
+    int16_t weight_raw1[MAX_VALUES_TO_SEND]; // Reading (raw) der ersten Waegzelle
+    int16_t weight_raw2[MAX_VALUES_TO_SEND]; // Reading (raw) der zweiten Waegzelle
+    int16_t temperature[MAX_VALUES_TO_SEND]; // Temperatur in 1/10 Grad Celsius
+} LORA_data;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position >= MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    lora_data.humidity = 0;
+    lora_data.pressure = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.reading_offset[i] = 0;
+        lora_data.weight_raw1[i] = 0;
+        lora_data.weight_raw2[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+}
+
+void ShowLORAData(void) 
+{
+  gCatena.SafePrintf("{\n");
+  gCatena.SafePrintf("  \"version\": \"%i\",\n",lora_data.version);
+  gCatena.SafePrintf("  \"vbat\": \"%i\",\n",lora_data.vbat);
+  gCatena.SafePrintf("  \"humidity\": \"%i\",\n",lora_data.humidity);
+  gCatena.SafePrintf("  \"pressure\": \"%i\",\n",lora_data.pressure);
+  gCatena.SafePrintf("  \"reading_offset\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%i",lora_data.reading_offset[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight_raw1\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%i",lora_data.weight_raw1[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight_raw2\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%i",lora_data.weight_raw2[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"temperature\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%i",lora_data.temperature[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("}\n");
+}
+
+
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int16_t temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int16_t w1_current;
+    int16_t w2_current;
+    int16_t temp_last;
+    uint8_t humidity_last;
+    uint8_t pressure_last;
+    int16_t w1_last;
+    int16_t w2_last;
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = m.Temperature;
+        humidity_current = m.Humidity;
+        pressure_current = m.Pressure;
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        w1_current = w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        w2_current = w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+
+    if (my_position > 0) {
+        temp_last = lora_data.temperature[my_position - 1];
+        w1_last = lora_data.weight_raw1[my_position - 1];
+        w2_last = lora_data.weight_raw2[my_position - 1];
+    }
+    
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 10 || abs(w1_current - w1_last) > 50 || abs(w2_current - w2_last) > 50) {
+        lora_data.vbat = (vBat * 1000 / 20);
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position] = int((millis() - timer_pos0) / 1000);
+        } else {
+            timer_pos0 = millis();
+        }
+        lora_data.weight_raw1[my_position] = w1_current;
+        lora_data.weight_raw2[my_position] = w2_current;
+        lora_data.temperature[my_position] = temp_current;
+        lora_data.humidity = humidity_current;
+        lora_data.pressure = humidity_current;
+
+        ShowLORAData();
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink();
+    }
+}
+
+
+void startSendingUplink(void)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_23feb2019/beescale_lora_mcci_23feb2019.ino

@@ -0,0 +1,656 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 6;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint32_t PRESSURE_OFFSET = 80000;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+  long cal_w1_0;
+  long cal_w2_0;
+  float cal_w1_factor;
+  float cal_w2_factor;
+} FRAM_data;
+
+typedef struct {
+    uint8_t version;                              // Versionierung des Paketformats
+    uint8_t vbat;                                 // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                             // Luftfeuchtigkeit in Prozent
+    int16_t pressure;                             // Luftdruck in Pascal (0 entspricht 80000 Pa)
+    uint8_t reading_offset[MAX_VALUES_TO_SEND];   // Zeit der weiteren Messung in Sekunden seit Start
+    int16_t weight[MAX_VALUES_TO_SEND];           // Gewicht in 10-Gramm, Addition beider Waegzellen
+    uint8_t temperature[MAX_VALUES_TO_SEND];      // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+} LORA_data;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+FRAM_data fram_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    // aktuell noch als Konstanten...
+    fram_data.cal_w1_0 = -10000;
+    fram_data.cal_w2_0 = -10000;
+    fram_data.cal_w1_factor = 1;
+    fram_data.cal_w2_factor = 1;
+    
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position > MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    lora_data.humidity = 0;
+    lora_data.pressure = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.reading_offset[i] = 0;
+        lora_data.weight[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+    my_position = 0;
+}
+
+void ShowLORAData(void) 
+{
+  char str[10];
+    
+  gCatena.SafePrintf("{\n");
+  gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+  gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+  gCatena.SafePrintf("  \"humidity\": \"%d\",\n",lora_data.humidity);
+  gCatena.SafePrintf("  \"pressure\": \"%d\",\n",lora_data.pressure);
+  gCatena.SafePrintf("  \"reading_offset\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%u",lora_data.reading_offset[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.weight[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"temperature\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.temperature[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("]\n");
+  gCatena.SafePrintf("}\n");
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int8_t  temp_current;
+    uint8_t humidity_current;
+    int16_t pressure_current;
+    int32_t weight_current;
+    int32_t w1_current;
+    int32_t w2_current;
+    int8_t temp_last;
+    int32_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint16_t)(m.Pressure - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        w1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        w2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Calculate Weight
+    weight_current = (((w1_current - fram_data.cal_w1_0) / fram_data.cal_w1_factor) + ((w2_current - fram_data.cal_w2_0) / fram_data.cal_w2_factor));
+
+    // calculate last value
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist, oder es die erste Messung ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 3 || abs(weight_current - weight_last) > 50) {
+        lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+        lora_data.weight[my_position] = weight_current;
+        lora_data.temperature[my_position] = temp_current;
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position] = (uint8_t)((millis() - timer_pos0) / 1000);
+        } else {
+            timer_pos0 = millis();
+            lora_data.humidity = humidity_current;
+            lora_data.pressure = pressure_current;
+        }
+
+        ShowLORAData();
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink();
+    }
+}
+
+
+void startSendingUplink(void)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_25feb2019/beescale_lora_mcci_25feb2019.ino

@@ -0,0 +1,668 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 3;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint32_t PRESSURE_OFFSET = 80000;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+    uint8_t version;                                  // Versionierung des Paketformats
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];             // Luftfeuchtigkeit in Prozent
+    uint8_t temperature[MAX_VALUES_TO_SEND];          // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    int16_t pressure[MAX_VALUES_TO_SEND];             // Luftdruck in Pascal (0 entspricht 80000 Pa)
+    int32_t weight1[MAX_VALUES_TO_SEND];              // Waegezelle 1, Raw Value
+    int32_t weight2[MAX_VALUES_TO_SEND];              // Waegezelle 2, Raw Value
+    uint16_t reading_offset[MAX_VALUES_TO_SEND - 1];  // Zeit der weiteren Messungen in Sekunden seit Start
+} __attribute__((packed)) LORA_data;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position >= MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        if (i < (MAX_VALUES_TO_SEND - 1)) {
+            lora_data.reading_offset[i] = 0;
+        }
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight1[i] = 0;
+        lora_data.weight2[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+    my_position = 0;
+}
+
+void ShowLORAData(void) 
+{
+  gCatena.SafePrintf("{\n");
+  gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+  gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+  gCatena.SafePrintf("  \"reading_offset\": [");
+    for (int i = 0; i < (MAX_VALUES_TO_SEND - 1); i++) {
+    gCatena.SafePrintf("%u",lora_data.reading_offset[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"humidity\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.humidity[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"pressure\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.pressure[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight1\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%ld",lora_data.weight1[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight2\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%ld",lora_data.weight2[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"temperature\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.temperature[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("]\n");
+  gCatena.SafePrintf("}\n");
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int8_t  temp_current;
+    uint8_t humidity_current;
+    int16_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    int8_t temp_last;
+    int32_t weight1_last;
+    int32_t weight2_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (int16_t)(m.Pressure - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // calculate last value
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight1_last = lora_data.weight1[my_position - 1];
+      weight2_last = lora_data.weight2[my_position - 1];
+    }
+     
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist, oder es die erste Messung ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 3 || abs(weight1_current - weight1_last) > 500 || abs(weight2_current - weight2_last) > 500) {
+        lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+        lora_data.weight1[my_position] = weight1_current;
+        lora_data.weight2[my_position] = weight2_current;
+        lora_data.temperature[my_position] = temp_current;
+        lora_data.humidity[my_position] = humidity_current;
+        lora_data.pressure[my_position] = pressure_current;
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position - 1] = (uint16_t)((millis() - timer_pos0) / 1000);
+        } else {
+            timer_pos0 = millis();
+        }
+
+        ShowLORAData();
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink();
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(void)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_28feb2019/beescale_lora_mcci_28feb2019.ino

@@ -0,0 +1,667 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 3;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint32_t PRESSURE_OFFSET = 80000;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+    uint8_t version;                                  // Versionierung des Paketformats
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];             // Luftfeuchtigkeit in Prozent
+    uint8_t temperature[MAX_VALUES_TO_SEND];          // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    int16_t pressure[MAX_VALUES_TO_SEND];             // Luftdruck in Pascal (0 entspricht 80000 Pa)
+    int32_t weight1[MAX_VALUES_TO_SEND];              // Waegezelle 1, Raw Value
+    int32_t weight2[MAX_VALUES_TO_SEND];              // Waegezelle 2, Raw Value
+    uint8_t reading_offset[MAX_VALUES_TO_SEND];      // Zeit der weiteren Messungen in Minuten seit Start, letzter Wert: Offset beim Senden des Pakets
+} __attribute__((packed)) LORA_data;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position >= MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.reading_offset[i] = 0;
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight1[i] = 0;
+        lora_data.weight2[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+    my_position = 0;
+}
+
+void ShowLORAData(void) 
+{
+  gCatena.SafePrintf("{\n");
+  gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+  gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+  gCatena.SafePrintf("  \"reading_offset\": [");
+    for (int i = 0; i < (MAX_VALUES_TO_SEND); i++) {
+    gCatena.SafePrintf("%d",lora_data.reading_offset[i]);
+    if (i < (MAX_VALUES_TO_SEND - 2)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"humidity\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.humidity[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"pressure\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.pressure[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight1\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%ld",lora_data.weight1[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"weight2\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%ld",lora_data.weight2[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("],\n");
+  gCatena.SafePrintf("  \"temperature\": [");
+  for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+    gCatena.SafePrintf("%d",lora_data.temperature[i]);
+    if (i < (MAX_VALUES_TO_SEND - 1)) {
+      gCatena.SafePrintf(",");
+    }
+  }
+  gCatena.SafePrintf("]\n");
+  gCatena.SafePrintf("}\n");
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int8_t  temp_current;
+    uint8_t humidity_current;
+    int16_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    int8_t temp_last;
+    int32_t weight1_last;
+    int32_t weight2_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (int16_t)(m.Pressure - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // calculate last value
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight1_last = lora_data.weight1[my_position - 1];
+      weight2_last = lora_data.weight2[my_position - 1];
+    }
+     
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist, oder es die erste Messung ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 3 || abs(weight1_current - weight1_last) > 500 || abs(weight2_current - weight2_last) > 500) {
+        lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+        lora_data.weight1[my_position] = weight1_current;
+        lora_data.weight2[my_position] = weight2_current;
+        lora_data.temperature[my_position] = temp_current;
+        lora_data.humidity[my_position] = humidity_current;
+        lora_data.pressure[my_position] = pressure_current;
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position - 1] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+        } else {
+            timer_pos0 = millis();
+        }
+
+        ShowLORAData();
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      lora_data.reading_offset[my_position] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink();
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(void)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_4jun2019/beescale_lora_mcci_4jun2019.ino

@@ -0,0 +1,923 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    //CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE = 10, // every 10 seconds
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+    CATCFG_T_CYCLE_INITIAL = 30,    // every 30 seconds initially
+    CATCFG_INTERVAL_COUNT_INITIAL = 30,     // repeat for 15 minutes
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+    CATCFG_T_MIN = CATCFG_T_OVERHEAD,
+    CATCFG_T_MAX = CATCFG_T_CYCLE < 60 * 60 ? 60 * 60 : CATCFG_T_CYCLE,     // normally one hour max.
+    CATCFG_INTERVAL_COUNT = 30,
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// the cycle time to use
+unsigned gTxCycle;
+// remaining before we reset to default
+unsigned gTxCycleCount;
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+// Additional Commands
+// forward reference to the command function
+cCommandStream::CommandFn cmdHello;
+cCommandStream::CommandFn cmdGetCalibrationSettings;
+cCommandStream::CommandFn cmdGetSensorReadings;
+cCommandStream::CommandFn cmdGetScale1;
+cCommandStream::CommandFn cmdGetScale2;
+cCommandStream::CommandFn cmdCalibrateZeroScale1;
+cCommandStream::CommandFn cmdCalibrateZeroScale2;
+cCommandStream::CommandFn cmdCalibrateScale1;
+cCommandStream::CommandFn cmdCalibrateScale2;
+
+// the individual commmands are put in this table
+static const cCommandStream::cEntry sMyExtraCommmands[] =
+        {
+        { "hello", cmdHello },
+        { "get_calibration_settings", cmdGetCalibrationSettings },
+        { "get_sensor_readings", cmdGetSensorReadings },
+        { "calibrate_zero_scale1", cmdCalibrateZeroScale1 },
+        { "calibrate_zero_scale2", cmdCalibrateZeroScale2 },
+        { "calibrate_scale1", cmdCalibrateScale1 },
+        { "calibrate_scale2", cmdCalibrateScale2 },
+        // other commands go here....
+        };
+
+/* a top-level structure wraps the above and connects to the system table */
+/* it optionally includes a "first word" so you can for sure avoid name clashes */
+static cCommandStream::cDispatch
+sMyExtraCommands_top(
+        sMyExtraCommmands,          /* this is the pointer to the table */
+        sizeof(sMyExtraCommmands),  /* this is the size of the table */
+        "application"                   /* this is the "first word" for all the commands in this table*/
+        );
+
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+// must be 65 bytes long...
+typedef struct {
+  long cal_w1_0;                                      // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  long cal_w2_0;                                      // 4 Bytes, Wert Waegezelle 2 ohne Gewicht
+  float cal_w1_factor;                                // 4 Bytes,
+  float cal_w2_factor;
+  byte fill[49];
+} __attribute__((packed)) CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                   // Version
+    uint8_t vbat;                                      // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];              // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                               // Temperatur (Startwert) in 1/10 Grad Celsius
+    int8_t temperature_change[MAX_VALUES_TO_SEND - 1]; // Unterschied Temperatur seit letztem Messwert in 1/10 Grad Celsius
+    uint8_t pressure[MAX_VALUES_TO_SEND];              // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];               // Waegezelle Gesamtgewicht, in 5g
+    uint8_t offset_last_reading;                       // Zeitunterschied letzte zu erste Messung (in Minuten) 
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                              // Temperatur in 1/10 Grad Celsius
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+typedef struct {
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                              // Temperatur in 1/10 Grad Celsius
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} SENSOR_data;
+
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+SENSOR_data last_sensor_reading;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+
+    /* for 4451, we need wider tolerances, it seems */
+#if defined(ARDUINO_ARCH_STM32)
+        LMIC_setClockError(10 * 65536 / 100);
+#endif
+
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // prepare external Power
+  pinMode(D10, OUTPUT);
+  digitalWrite(D10, HIGH); 
+  
+  /* add our application-specific commands */
+  gCatena.addCommands(
+         sMyExtraCommands_top,
+         nullptr
+       );
+
+  // read config_data from fram...
+  //gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
+  gCatena.getFram()->getField(cFramStorage::kBme680Cal, (uint8_t *)&config_data, sizeof(config_data));
+
+  //gCatena.SafePrintf("cal_w1_0: %d\n",config_data.cal_w1_0);
+  //gCatena.SafePrintf("cal_w2_0: %d\n",config_data.cal_w2_0);
+  //gCatena.SafePrintf("cal_w1_factor: %d.%03d\n",(int)config_data.cal_w1_factor,(int)(config_data.cal_w1_factor*1000)%1000);
+  //gCatena.SafePrintf("cal_w2_factor: %d.%03d\n",(int)config_data.cal_w2_factor,(int)(config_data.cal_w2_factor*1000)%1000);
+  //gCatena.SafePrintf("Size of config_data: %d\n",sizeof(config_data));
+
+  // im Moment statisch...
+  //config_data.cal_w1_0 = 20000;
+  //config_data.cal_w2_0 = 20000;
+  //config_data.cal_w1_factor = 2.5;
+  //config_data.cal_w2_factor = 2.5;
+
+
+  // config_data speichern...
+  //gCatena.SafePrintf("Writing Calibration Config to FRAM...\n");
+  //gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    //gCatena.SafePrintf("\n");
+    //gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    //gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        //gCatena.SafePrintf("Target network: %s / %s\n",
+        //    gLoRaWAN.GetNetworkName(),
+        //    gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    //gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    //gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    //gCatena.SafePrintf("USB enabled\n");
+#else
+    //gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    //gCatena.SafePrintf(
+    //    "CPU Unique ID: %s\n",
+    //    gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    //gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    //gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::On);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    //gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+
+    // we only read vBus once, as there was a read error after deep sleep...
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    //gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A1, A0);
+   
+    if (!(LoadCell_1.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 1 not ready.\n");
+    }
+    
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(D12, A2);
+
+    if (!(LoadCell_2.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 2 not ready.\n");
+    }
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true,false);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    lora_data.temperature = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        if (i < (MAX_VALUES_TO_SEND -1)) { 
+          lora_data.temperature_change[i] = 0;
+        }
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data.temperature);
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature_change\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND - 1; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature_change[i]);
+      if (i < (MAX_VALUES_TO_SEND - 2)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime, bool readOnly)
+{
+    gCatena.SafePrintf("start ReadSensors\n");
+    int16_t temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    int16_t temp_last;
+    int16_t temp_change;
+    int32_t weight_current32;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int16_t)((m.Temperature) * 10);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    //float vBus = gCatena.ReadVbus();
+    //gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    //fUsbPower = (vBus > 3.0) ? true : false;
+
+    // Read Scales
+    gCatena.SafePrintf("Before Read Scales\n");
+
+    // Power-Up HX711
+    LoadCell_1.power_up();
+
+    if (!(LoadCell_1.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 1 not ready.\n");
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+
+    // Power-Down HX711
+    LoadCell_1.power_down();
+
+    // Power-Up HX711
+    LoadCell_2.power_up();
+
+    if (!(LoadCell_2.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 2 not ready.\n");
+    }
+
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+
+    // Power-Down HX711
+    LoadCell_2.power_down();
+
+    
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Gewicht berechnen
+    weight_current32 = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+    if (weight_current32 < 0) {
+      weight_current32 = 0;
+    } else if (weight_current32 > UINT16_MAX) {
+      weight_current32 = UINT16_MAX;
+    }
+    weight_current = (uint16_t)weight_current32;
+
+    if (not(readOnly)) {
+        // calculate last value
+        weight_last = 0;
+        temp_last = lora_data.temperature;
+
+        for (int i = 0; i < my_position; i++) {
+            temp_last = temp_last + lora_data.temperature_change[i];
+        }    
+
+        if (my_position > 0) {
+          weight_last = lora_data.weight[my_position - 1];
+        } 
+     
+        if (firstTime) { 
+          lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data_first.weight1 = weight1_current;
+          lora_data_first.weight2 = weight2_current;
+          lora_data_first.weight = weight_current;
+          lora_data_first.temperature = temp_current;
+          lora_data_first.humidity = humidity_current;
+          lora_data_first.pressure = pressure_current;
+        } else {
+          lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data.weight[my_position] = weight_current;
+          if (my_position == 0) {
+            lora_data.temperature = temp_current;
+          } else {
+            temp_change = temp_current - temp_last; 
+            if (temp_change > 127) {
+              temp_change = 127;
+            }
+            if (temp_change < -128) {
+              temp_change = -128;
+            }
+        
+            lora_data.temperature_change[my_position - 1] = (uint8_t)temp_change;
+          }
+          lora_data.humidity[my_position] = humidity_current;
+          lora_data.pressure[my_position] = pressure_current;
+        }
+    
+        if (my_position == 0) {
+          timer_pos0 = millis();
+        }
+
+        ShowLORAData(firstTime);
+        my_position++;
+
+        // Should we send the Data?
+        // we send data the first time the system is started, when the array is full 
+        // or when the weight has fallen more than 100g or the first measurement is 
+        // more than one hour old (which should not happen :-) )
+        if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+          lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+          gCatena.SafePrintf("startSendingUplink()\n");
+          startSendingUplink(firstTime);
+        } else {
+          Serial.flush();
+          LoadCell_1.power_down();
+          LoadCell_2.power_down();
+          gCatena.Sleep(CATCFG_T_INTERVAL);
+        }
+
+    }
+
+    //gCatena.SafePrintf("set last_sensor_reading fields...\n");
+    last_sensor_reading.vbat = (uint8_t)(vBat * 1000.0f / 20);
+    last_sensor_reading.weight1 = weight1_current;
+    last_sensor_reading.weight2 = weight2_current;
+    last_sensor_reading.weight = weight_current;
+    last_sensor_reading.temperature = temp_current;
+    last_sensor_reading.humidity = humidity_current;
+    last_sensor_reading.pressure = pressure_current;
+    gCatena.SafePrintf("completed ReadSensors\n");
+}
+
+void startSendingUplink(bool firstTime)
+{
+    //gCatena.SafePrintf("start startSendingUplink\n");
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+    //gCatena.SafePrintf("completed startSendingUplink\n");
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    //gCatena.SafePrintf("start sendBufferDoneCb\n");
+    osjobcb_t pFn;
+
+    pFn = settleDoneCb;
+    
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+    //gCatena.SafePrintf("completed sendBufferDoneCb\n");
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    //gCatena.SafePrintf("start txFailedDoneCb\n");
+    //gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+    //gCatena.SafePrintf("completed txFailedDoneCb\n");
+}
+
+
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+  //gCatena.SafePrintf("start settleDoneCb\n");
+  if (fUsbPower) {
+    //gCatena.SafePrintf("we are running on USB power, so we do not go to deep sleep...\n");
+    //gCatena.SafePrintf("calling os_setTimedCallback in settleDoneCb...Interval=%d\n",CATCFG_T_INTERVAL);
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+      &sensorJob,
+      os_getTime()+sec2osticks(CATCFG_T_INTERVAL),
+      sleepDoneCb
+    );
+    gCatena.SafePrintf("returning from settleDoneCb\n");
+    return;
+  }
+
+  /* ok..., now it's time for a deep sleep */
+  
+  
+  Serial.flush();
+  LoadCell_1.power_down();
+  LoadCell_2.power_down();
+  gCatena.Sleep(CATCFG_T_INTERVAL);
+  sleepDoneCb(pSendJob);
+  gCatena.SafePrintf("completed settleDoneCb\n");
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    //gCatena.SafePrintf("start sleepDoneCb\n");
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+    //gCatena.SafePrintf("completed sleepDoneCb\n");
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+  //gCatena.SafePrintf("start warmupDoneCb\n");
+  gLed.Set(LedPattern::WarmingUp);
+  ReadSensors(false,false);
+  //gCatena.SafePrintf("completed warmupDoneCb\n");
+}
+
+
+/* process "application hello" -- args are ignored */
+// argv[0] is "hello"
+// argv[1..argc-1] are the (ignored) arguments
+cCommandStream::CommandStatus cmdHello(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    pThis->printf("Hello, world!\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+
+cCommandStream::CommandStatus cmdGetCalibrationSettings(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    pThis->printf("{\n");
+    pThis->printf("  \"cal_w1_0\": \"%d\",\n",config_data.cal_w1_0);
+    pThis->printf("  \"cal_w2_0\": \"%d\",\n",config_data.cal_w2_0);
+    pThis->printf("  \"cal_w1_factor\": \"%d.%03d\n",(int)config_data.cal_w1_factor,(int)abs(config_data.cal_w1_factor*1000)%1000);
+    pThis->printf("  \"cal_w2_factor\": \"%d.%03d\n",(int)config_data.cal_w2_factor,(int)abs(config_data.cal_w2_factor*1000)%1000);
+    pThis->printf("}\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    ReadSensors(false,true);
+    pThis->printf("{\n");
+    pThis->printf("  \"weight\": \"%d\",\n",last_sensor_reading.weight);
+    pThis->printf("  \"weight1_raw\": \"%d\",\n",last_sensor_reading.weight1);
+    pThis->printf("  \"weight2_raw\": \"%d\",\n",last_sensor_reading.weight2);
+    pThis->printf("  \"temperature\": \"%d\",\n",last_sensor_reading.temperature);
+    pThis->printf("  \"humidity\": \"%d\",\n",last_sensor_reading.humidity);
+    pThis->printf("  \"pressure\": \"%d\",\n",last_sensor_reading.pressure);
+    pThis->printf("  \"batt\": \"%d\",\n", last_sensor_reading.vbat);
+    pThis->printf("}\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale1(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    pThis->printf("getscale1\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdGetScale2(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    pThis->printf("getscale2\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale1(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    ReadSensors(false,true);
+    config_data.cal_w1_0 = last_sensor_reading.weight1;
+    gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+    pThis->printf("{ \"msg\": \"calibrate_zero_scale1 was successful\" }\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateZeroScale2(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    ReadSensors(false,true);
+    config_data.cal_w2_0 = last_sensor_reading.weight2;
+    gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+    pThis->printf("{ \"msg\": \"calibrate_zero_scale2 was successful\" }\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale1(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    ReadSensors(false,true);
+
+    String w1_gramm(argv[1]);
+    config_data.cal_w1_factor = (((float)last_sensor_reading.weight1 - config_data.cal_w1_0)/ w1_gramm.toFloat());
+    
+    gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+    pThis->printf("{ \"msg\": \"calibrate_scale1 was successful\" }\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+
+cCommandStream::CommandStatus cmdCalibrateScale2(cCommandStream *pThis,void *pContext,int argc,char **argv)
+{
+    ReadSensors(false,true);
+
+    String w2_gramm(argv[1]);
+    config_data.cal_w2_factor = (((float)last_sensor_reading.weight2 - config_data.cal_w2_0)/ w2_gramm.toFloat());
+    
+    gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+    pThis->printf("{ \"msg\": \"calibrate_scale2 was successful\" }\n");
+
+    return cCommandStream::CommandStatus::kSuccess;
+}
+

Arduino/beescale_lora_mcci_5mar2019/beescale_lora_mcci_5mar2019.ino

@@ -0,0 +1,727 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 6;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+  long cal_w1_0;
+  long cal_w2_0;
+  float cal_w1_factor;
+  float cal_w2_factor;
+} CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];             // Luftfeuchtigkeit in Prozent
+    uint8_t temperature[MAX_VALUES_TO_SEND];          // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure[MAX_VALUES_TO_SEND];             // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];              // Waegezelle Gesamtgewicht, in 5g
+    uint8_t reading_offset[MAX_VALUES_TO_SEND];       // Zeit der weiteren Messungen in Minuten seit Start, letzter Wert: Offset beim Senden des Pakets
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    uint8_t temperature;                              // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // im Moment statisch...
+  config_data.cal_w1_0 = 20000;
+  config_data.cal_w2_0 = 20000;
+  config_data.cal_w1_factor = 2.5;
+  config_data.cal_w2_factor = 2.5;
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position >= MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.reading_offset[i] = 0;
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("  \"reading_offset\": [");
+      for (int i = 0; i < (MAX_VALUES_TO_SEND); i++) {
+      gCatena.SafePrintf("%d",lora_data.reading_offset[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    uint8_t  temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    uint8_t temp_last;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (uint8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Gewicht berechnen
+    weight_current = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+
+    // calculate last value
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist, oder es die erste Messung ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 3 || abs(weight_current - weight_last) > 10) {
+        if (firstTime) { 
+          lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data_first.weight1 = weight1_current;
+          lora_data_first.weight2 = weight2_current;
+          lora_data_first.weight = weight_current;
+          lora_data_first.temperature = temp_current;
+          lora_data_first.humidity = humidity_current;
+          lora_data_first.pressure = pressure_current;
+        } else {
+          lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data.weight[my_position] = weight_current;
+          lora_data.temperature[my_position] = temp_current;
+          lora_data.humidity[my_position] = humidity_current;
+          lora_data.pressure[my_position] = pressure_current;
+        }
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position - 1] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+        } else {
+            timer_pos0 = millis();
+        }
+
+        ShowLORAData(firstTime);
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      lora_data.reading_offset[my_position] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(bool firstTime)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_8mar2019/beescale_lora_mcci_8mar2019.ino

@@ -0,0 +1,727 @@
+  /*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 6;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+typedef struct {
+  long cal_w1_0;
+  long cal_w2_0;
+  float cal_w1_factor;
+  float cal_w2_factor;
+} CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];             // Luftfeuchtigkeit in Prozent
+    uint8_t temperature[MAX_VALUES_TO_SEND];          // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure[MAX_VALUES_TO_SEND];             // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];              // Waegezelle Gesamtgewicht, in 5g
+    uint8_t reading_offset[MAX_VALUES_TO_SEND];       // Zeit der weiteren Messungen in Minuten seit Start, letzter Wert: Offset beim Senden des Pakets
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    uint8_t temperature;                              // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // im Moment statisch...
+  config_data.cal_w1_0 = 20000;
+  config_data.cal_w2_0 = 20000;
+  config_data.cal_w1_factor = 2.5;
+  config_data.cal_w2_factor = 2.5;
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    LoadCell_1.begin(A3, A2);
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    LoadCell_2.begin(A1, A0);
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+bool ShouldDataBeSent(void) 
+{
+    bool res = (my_position >= MAX_VALUES_TO_SEND) ||
+               ((millis() - timer_pos0) > 3600000);
+    return res;
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.reading_offset[i] = 0;
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        lora_data.temperature[i] = 0;
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("  \"reading_offset\": [");
+      for (int i = 0; i < (MAX_VALUES_TO_SEND); i++) {
+      gCatena.SafePrintf("%d",lora_data.reading_offset[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime)
+{
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    uint8_t  temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    uint8_t temp_last;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (uint8_t)((m.Temperature + 40) * 2);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Gewicht berechnen
+    weight_current = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+
+    // calculate last value
+    if (my_position > 0) {
+      temp_last =lora_data.temperature[my_position -1];
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    // Wir registrieren die Werte nur, falls die Abweichung zur letzen Messung gross genug ist, oder es die erste Messung ist
+    if (my_position == 0 || abs(temp_current - temp_last) > 3 || abs(weight_current - weight_last) > 10) {
+        if (firstTime) { 
+          lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data_first.weight1 = weight1_current;
+          lora_data_first.weight2 = weight2_current;
+          lora_data_first.weight = weight_current;
+          lora_data_first.temperature = temp_current;
+          lora_data_first.humidity = humidity_current;
+          lora_data_first.pressure = pressure_current;
+        } else {
+          lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+          lora_data.weight[my_position] = weight_current;
+          lora_data.temperature[my_position] = temp_current;
+          lora_data.humidity[my_position] = humidity_current;
+          lora_data.pressure[my_position] = pressure_current;
+        }
+        if (my_position > 0) {
+            lora_data.reading_offset[my_position - 1] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+        } else {
+            timer_pos0 = millis();
+        }
+
+        ShowLORAData(firstTime);
+        my_position++;
+    } 
+    else {
+        gCatena.SafePrintf("Too little difference, measurements are not stored...\n");
+    }
+
+    // Should we send the Data?
+    if (firstTime || ShouldDataBeSent()) {
+      lora_data.reading_offset[MAX_VALUES_TO_SEND - 1] = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(bool firstTime)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

Arduino/beescale_lora_mcci_9may2019/beescale_lora_mcci_9may2019.ino

@@ -0,0 +1,768 @@
+/*
+
+beescale_lora_mcci.ino
+
+BeieliScale, see https://mini-beieli.ch
+
+Joerg Lehmann, nbit Informatik GmbH
+
+*/
+
+#include <Catena.h>
+
+#include <Catena_Led.h>
+#include <Catena_CommandStream.h>
+#include <Catena_Mx25v8035f.h>
+
+#include <Wire.h>
+#include <Adafruit_BME280.h>
+#include <Arduino_LoRaWAN.h>
+#include <lmic.h>
+#include <hal/hal.h>
+#include <mcciadk_baselib.h>
+
+#include <cmath>
+#include <type_traits>
+
+#include <HX711.h>
+
+using namespace McciCatena;
+
+/****************************************************************************\
+|
+|  MANIFEST CONSTANTS & TYPEDEFS
+|
+\****************************************************************************/
+
+/* how long do we wait between transmissions? (in seconds) */
+enum {
+    // set this to interval between transmissions, in seconds
+    // Actual time will be a little longer because have to
+    // add measurement and broadcast time, but we attempt
+    // to compensate for the gross effects below.
+    //CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
+    CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
+};
+
+/* additional timing parameters; ususually you don't change these. */
+enum {
+    CATCFG_T_WARMUP = 1,
+    CATCFG_T_SETTLE = 5,
+    CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+};
+
+constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
+{
+    return (tCycle < CATCFG_T_OVERHEAD)
+        ? CATCFG_T_OVERHEAD
+        : tCycle - CATCFG_T_OVERHEAD;
+}
+
+enum {
+    CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
+};
+
+enum {
+    PIN_ONE_WIRE = A2, // XSDA1 == A2
+    PIN_SHT10_CLK = 8, // XSCL0 == D8
+    PIN_SHT10_DATA = 12, // XSDA0 == D12
+};
+
+// forwards
+static void settleDoneCb(osjob_t* pSendJob);
+static void warmupDoneCb(osjob_t* pSendJob);
+static void txFailedDoneCb(osjob_t* pSendJob);
+static void sleepDoneCb(osjob_t* pSendJob);
+static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
+
+/****************************************************************************\
+|
+| READ-ONLY DATA
+|
+\****************************************************************************/
+
+static const char sVersion[] = "0.1";
+static const byte MAX_VALUES_TO_SEND = 8;
+static const uint8_t LORA_DATA_VERSION = 1;
+static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
+static const uint32_t PRESSURE_OFFSET = 825;
+
+/****************************************************************************\
+|
+| VARIABLES
+|
+\****************************************************************************/
+
+// must be 65 bytes long...
+typedef struct {
+  long cal_w1_0;                                      // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  long cal_w2_0;                                      // 4 Bytes, Wert Waegezelle 1 ohne Gewicht
+  float cal_w1_factor;                                // 4 Bytes,
+  float cal_w2_factor;
+  byte fill[49];
+} __attribute__((packed)) CONFIG_data;
+
+typedef struct {
+    uint8_t version;                                   // Version
+    uint8_t vbat;                                      // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity[MAX_VALUES_TO_SEND];              // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                               // Temperatur (Startwert) in 1/10 Grad Celsius
+    int8_t temperature_change[MAX_VALUES_TO_SEND - 1]; // Unterschied Temperatur seit letztem Messwert in 1/10 Grad Celsius
+    uint8_t pressure[MAX_VALUES_TO_SEND];              // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    uint16_t weight[MAX_VALUES_TO_SEND];               // Waegezelle Gesamtgewicht, in 5g
+    uint8_t offset_last_reading;                       // Zeitunterschied letzte zu erste Messung (in Minuten) 
+} __attribute__((packed)) LORA_data;
+
+typedef struct {
+    uint8_t version;                                  // Version
+    uint8_t vbat;                                     // Batteriespannung (1 Einheit => 20 mV)
+    uint8_t humidity;                                 // Luftfeuchtigkeit in Prozent
+    int16_t temperature;                              // Temperatur in 1/10 Grad Celsius
+    uint8_t pressure;                                 // Luftdruck in Hekto-Pascal (0 entspricht 825 hPa)
+    int32_t weight1;                                  // Waegezelle 1, Raw Value
+    int32_t weight2;                                  // Waegezelle 2, Raw Value
+    uint16_t weight;                                  // Waegezelle Gesamtgewicht, in 5g
+} __attribute__((packed)) LORA_data_first;
+
+byte my_position = 0;    // what is our actual measurement, starts with 0
+long timer_pos0;
+
+// Global Variables
+LORA_data lora_data;
+LORA_data_first lora_data_first;
+CONFIG_data config_data;
+
+// generic timer
+long t_cur;
+
+// the primary object
+Catena gCatena;
+
+//
+// the LoRaWAN backhaul.  Note that we use the
+// Catena version so it can provide hardware-specific
+// information to the base class.
+//
+Catena::LoRaWAN gLoRaWAN;
+
+//
+// the LED
+//
+StatusLed gLed(Catena::PIN_STATUS_LED);
+
+//   The temperature/humidity sensor
+Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
+bool fBme;
+
+SPIClass gSPI2(
+    Catena::PIN_SPI2_MOSI,
+    Catena::PIN_SPI2_MISO,
+    Catena::PIN_SPI2_SCK);
+
+//   The flash
+Catena_Mx25v8035f gFlash;
+bool fFlash;
+
+// Scales
+HX711 LoadCell_1;
+HX711 LoadCell_2;
+
+//  USB power
+bool fUsbPower;
+
+// have we printed the sleep info?
+bool g_fPrintedSleeping = false;
+
+//  the job that's used to synchronize us with the LMIC code
+static osjob_t sensorJob;
+void sensorJob_cb(osjob_t* pJob);
+
+void setup(void)
+{
+    gCatena.begin();
+    ClearLoraData();
+
+    setup_platform();
+    setup_bme280();
+    setup_scales();
+    setup_flash();
+    setup_uplink();
+}
+
+void setup_platform(void)
+{
+
+  // read config_data from fram...
+  gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
+  gCatena.getFram()->getField(cFramStorage::kBme680Cal, (uint8_t *)&config_data, sizeof(config_data));
+
+  gCatena.SafePrintf("cal_w1_0: %d\n",config_data.cal_w1_0);
+  gCatena.SafePrintf("cal_w2_0: %d\n",config_data.cal_w2_0);
+  gCatena.SafePrintf("cal_w1_factor: %d.%03d\n",(int)config_data.cal_w1_factor,(int)(config_data.cal_w1_factor*1000)%1000);
+  gCatena.SafePrintf("cal_w2_factor: %d.%03d\n",(int)config_data.cal_w2_factor,(int)(config_data.cal_w2_factor*1000)%1000);
+  gCatena.SafePrintf("Size of config_data: %d\n",sizeof(config_data));
+
+  // im Moment statisch...
+  //config_data.cal_w1_0 = 20000;
+  //config_data.cal_w2_0 = 20000;
+  //config_data.cal_w1_factor = 2.5;
+  //config_data.cal_w2_factor = 2.5;
+
+
+  // config_data speichern...
+  gCatena.SafePrintf("Writing Calibration Config to FRAM...\n");
+  gCatena.getFram()->saveField(cFramStorage::kBme680Cal, (const uint8_t *)&config_data, sizeof(config_data));
+
+#ifdef USBCON
+    // if running unattended, don't wait for USB connect.
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
+        while (!Serial)
+            /* wait for USB attach */
+            yield();
+    }
+#endif
+
+    gCatena.SafePrintf("\n");
+    gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
+    {
+        char sRegion[16];
+        gCatena.SafePrintf("Target network: %s / %s\n",
+            gLoRaWAN.GetNetworkName(),
+            gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
+    }
+    gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
+
+#ifdef CATENA_CFG_SYSCLK
+    gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
+#endif
+
+#ifdef USBCON
+    gCatena.SafePrintf("USB enabled\n");
+#else
+    gCatena.SafePrintf("USB disabled\n");
+#endif
+
+    Catena::UniqueID_string_t CpuIDstring;
+
+    gCatena.SafePrintf(
+        "CPU Unique ID: %s\n",
+        gCatena.GetUniqueIDstring(&CpuIDstring));
+
+    gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
+    gCatena.SafePrintf("\n");
+
+    // set up the LED
+    gLed.begin();
+    gCatena.registerObject(&gLed);
+    gLed.Set(LedPattern::FastFlash);
+
+    // set up LoRaWAN
+    gCatena.SafePrintf("LoRaWAN init: ");
+    if (!gLoRaWAN.begin(&gCatena)) {
+        gCatena.SafePrintf("failed\n");
+    }
+    else {
+        gCatena.SafePrintf("succeeded\n");
+    }
+
+    gCatena.registerObject(&gLoRaWAN);
+
+    /* find the platform */
+    const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
+
+    uint32_t flags;
+    const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
+
+    if (pPlatform) {
+        gCatena.SafePrintf("EUI64: ");
+        for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
+            gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
+        }
+        gCatena.SafePrintf("\n");
+        flags = gCatena.GetPlatformFlags();
+        gCatena.SafePrintf(
+            "Platform Flags:  %#010x\n",
+            flags);
+        gCatena.SafePrintf(
+            "Operating Flags:  %#010x\n",
+            gCatena.GetOperatingFlags());
+    }
+    else {
+        gCatena.SafePrintf("**** no platform, check provisioning ****\n");
+        flags = 0;
+    }
+}
+
+void setup_bme280(void)
+{
+    if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
+        fBme = true;
+    }
+    else {
+        fBme = false;
+        gCatena.SafePrintf("No BME280 found: check wiring\n");
+    }
+}
+
+void setup_scales(void)
+{
+    gCatena.SafePrintf("Setup Scales...\n");
+
+    // Initialize library with data output pin, clock input pin and gain factor.
+    // Channel selection is made by passing the appropriate gain:
+    // - With a gain factor of 64 or 128, channel A is selected
+    // - With a gain factor of 32, channel B is selected
+    // By omitting the gain factor parameter, the library
+    // default "128" (Channel A) is used here.
+    gCatena.SafePrintf("Setup Scale 1...\n");
+    //LoadCell_1.begin(A3, A2);
+   
+    if (!(LoadCell_1.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 1 not ready.\n");
+    }
+    
+    gCatena.SafePrintf("Setup Scale 2...\n");
+    //LoadCell_2.begin(A1, A0);
+
+    if (!(LoadCell_2.wait_ready_timeout(1000))) {
+      gCatena.SafePrintf("Scale 2 not ready.\n");
+    }
+
+    gCatena.SafePrintf("Setup Scales is complete\n");
+}
+
+void setup_flash(void)
+{
+    if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
+        fFlash = true;
+        gFlash.powerDown();
+        gCatena.SafePrintf("FLASH found, put power down\n");
+    }
+    else {
+        fFlash = false;
+        gFlash.end();
+        gSPI2.end();
+        gCatena.SafePrintf("No FLASH found: check hardware\n");
+    }
+}
+
+void setup_uplink(void)
+{
+    /* trigger a join by sending the first packet */
+    if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
+        if (!gLoRaWAN.IsProvisioned())
+            gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+        else {
+            gLed.Set(LedPattern::Joining);
+
+            /* warm up the BME280 by discarding a measurement */
+            if (fBme)
+                (void)gBME280.readTemperature();
+
+            /* trigger a join by sending the first packet */
+            ReadSensors(true);
+        }
+    }
+}
+
+// The Arduino loop routine -- in our case, we just drive the other loops.
+// If we try to do too much, we can break the LMIC radio. So the work is
+// done by outcalls scheduled from the LMIC os loop.
+void loop()
+{
+    gCatena.poll();
+}
+
+void ClearLoraData(void)
+{
+    lora_data.version = LORA_DATA_VERSION;
+    lora_data.vbat = 0;
+    lora_data.temperature = 0;
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+        lora_data.humidity[i] = 0;
+        lora_data.pressure[i] = 0;
+        lora_data.weight[i] = 0;
+        if (i < (MAX_VALUES_TO_SEND -1)) { 
+          lora_data.temperature_change[i] = 0;
+        }
+    }    
+
+    lora_data_first.version = LORA_DATA_VERSION_FIRST_PACKAGE;
+    lora_data_first.vbat = 0;
+    lora_data_first.humidity = 0;
+    lora_data_first.pressure = 0;
+    lora_data_first.weight1 = 0;
+    lora_data_first.weight2 = 0;
+    lora_data_first.weight = 0;
+    lora_data_first.temperature = 0;
+
+    my_position = 0;
+}
+
+void ShowLORAData(bool firstTime) 
+{
+  if (firstTime) {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data_first.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data_first.vbat);
+    gCatena.SafePrintf("  \"humidity\": \"%u\",\n",lora_data_first.humidity);
+    gCatena.SafePrintf("  \"pressure\": \"%u\",\n",lora_data_first.pressure);
+    gCatena.SafePrintf("  \"weight1\": \"%ld\",\n",lora_data_first.weight1);
+    gCatena.SafePrintf("  \"weight2\": \"%ld\",\n",lora_data_first.weight2);
+    gCatena.SafePrintf("  \"weight\": \"%u\",\n",lora_data_first.weight);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data_first.temperature);
+    gCatena.SafePrintf("}\n");
+    
+  } else {
+  
+    gCatena.SafePrintf("{\n");
+    gCatena.SafePrintf("  \"version\": \"%u\",\n",lora_data.version);
+    gCatena.SafePrintf("  \"vbat\": \"%u\",\n",lora_data.vbat);
+    gCatena.SafePrintf("  \"temperature\": \"%u\",\n",lora_data.temperature);
+    gCatena.SafePrintf("  \"humidity\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.humidity[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"pressure\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%d",lora_data.pressure[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"weight\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
+      gCatena.SafePrintf("%ld",lora_data.weight[i]);
+      if (i < (MAX_VALUES_TO_SEND - 1)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("],\n");
+    gCatena.SafePrintf("  \"temperature_change\": [");
+    for (int i = 0; i < MAX_VALUES_TO_SEND - 1; i++) {
+      gCatena.SafePrintf("%d",lora_data.temperature_change[i]);
+      if (i < (MAX_VALUES_TO_SEND - 2)) {
+        gCatena.SafePrintf(",");
+      }
+    }
+    gCatena.SafePrintf("]\n");
+    gCatena.SafePrintf("}\n");
+    
+  }
+}
+
+void ReadSensors(bool firstTime)
+{
+
+    // Power-Up HX711
+    LoadCell_1.power_up();
+    LoadCell_1.power_up();
+    
+    // vBat
+    float vBat = gCatena.ReadVbat();
+    gCatena.SafePrintf("vBat:    %d mV\n", (int)(vBat * 1000.0f));
+
+    // vBus
+    float vBus = gCatena.ReadVbus();
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
+    fUsbPower = (vBus > 3.0) ? true : false;
+ 
+    int16_t temp_current;
+    uint8_t humidity_current;
+    uint8_t pressure_current;
+    int32_t weight1_current;
+    int32_t weight2_current;
+    int16_t temp_last;
+    int16_t temp_change;
+    uint16_t weight_current;
+    uint16_t weight_last;
+    
+    
+    if (fBme) {
+        Adafruit_BME280::Measurements m = gBME280.readTemperaturePressureHumidity();
+        // temperature is 2 bytes from -0x80.00 to +0x7F.FF degrees C
+        // pressure is 2 bytes, hPa * 10.
+        // humidity is one byte, where 0 == 0/256 and 0xFF == 255/256.
+        gCatena.SafePrintf(
+            "BME280:  T: %d P: %d RH: %d\n",
+            (int)m.Temperature,
+            (int)m.Pressure,
+            (int)m.Humidity);
+        temp_current = (int16_t)((m.Temperature) * 10);
+        humidity_current = (uint8_t)m.Humidity;
+        pressure_current = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
+        gCatena.SafePrintf("pressure_current: %d\n",pressure_current);
+    }
+
+    gCatena.SafePrintf("Before Read Scales\n");
+    if (LoadCell_1.is_ready()) {
+        Serial.println("HX711 LoadCell_1 is ready.");
+        long w1 = LoadCell_1.read_average(5);
+        weight1_current = (int32_t)w1;
+        gCatena.SafePrintf("Load_cell 1 output val: %ld\n", w1);
+    }
+    else {
+        Serial.println("HX711 LoadCell_1 not ready.");
+    }
+    if (LoadCell_2.is_ready()) {
+        Serial.println("HX711 LoadCell_2 is ready.");
+        long w2 = LoadCell_2.read_average(5);
+        weight2_current = (int32_t)w2;
+        gCatena.SafePrintf("Load_cell 2 output val: %ld\n", w2);
+    }
+    else {
+        Serial.println("HX711 LoadCell_2 not ready.");
+    }
+    gCatena.SafePrintf("After Read Scales\n");
+
+    // Power-Down HX711
+    LoadCell_1.power_down();
+    LoadCell_1.power_down();
+
+
+    // Gewicht berechnen
+    weight_current = ((weight1_current - config_data.cal_w1_0) / config_data.cal_w1_factor) + ((weight2_current - config_data.cal_w2_0) / config_data.cal_w2_factor);
+
+    // calculate last value
+    weight_last = 0;
+    temp_last = lora_data.temperature;
+
+    for (int i = 0; i < my_position; i++) {
+        temp_last = temp_last + lora_data.temperature_change[i];
+    }    
+
+    if (my_position > 0) {
+      weight_last = lora_data.weight[my_position - 1];
+    }
+     
+    if (firstTime) { 
+      lora_data_first.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data_first.weight1 = weight1_current;
+      lora_data_first.weight2 = weight2_current;
+      lora_data_first.weight = weight_current;
+      lora_data_first.temperature = temp_current;
+      lora_data_first.humidity = humidity_current;
+      lora_data_first.pressure = pressure_current;
+    } else {
+      lora_data.vbat = (uint8_t)(vBat * 1000.0f / 20);
+      lora_data.weight[my_position] = weight_current;
+      if (my_position == 0) {
+        lora_data.temperature = temp_current;
+      } else {
+        temp_change = temp_current - temp_last; 
+        if (temp_change > 127) {
+          temp_change = 127;
+        }
+        if (temp_change < -128) {
+          temp_change = -128;
+        }
+        
+        lora_data.temperature_change[my_position - 1] = (uint8_t)temp_change;
+      }
+      lora_data.humidity[my_position] = humidity_current;
+      lora_data.pressure[my_position] = pressure_current;
+    }
+  
+    if (my_position == 0) {
+      timer_pos0 = millis();
+    }
+
+    ShowLORAData(firstTime);
+    my_position++;
+
+    // Should we send the Data?
+    // we send data the first time the system is started, when the array is full 
+    // or when the weight has fallen more than 100g or the first measurement is 
+    // more than one hour old (which should not happen :-) )
+    if (firstTime || (my_position >= MAX_VALUES_TO_SEND) || ((weight_last - weight_current) > 20) || ((millis() - timer_pos0) > 3600000)) {
+      lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
+      gCatena.SafePrintf("startSendingUplink()\n");
+      startSendingUplink(firstTime);
+    } else {
+      doLightSleep(&sensorJob);
+    }
+}
+
+
+void startSendingUplink(bool firstTime)
+{
+    LedPattern savedLed = gLed.Set(LedPattern::Measuring);
+
+    if (savedLed != LedPattern::Joining)
+        gLed.Set(LedPattern::Sending);
+    else
+        gLed.Set(LedPattern::Joining);
+
+    bool fConfirmed = false;
+    if (gCatena.GetOperatingFlags() & (1 << 16)) {
+        gCatena.SafePrintf("requesting confirmed tx\n");
+        fConfirmed = true;
+    }
+
+    if (firstTime) {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed);
+    } else {
+      gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed);
+    }    
+    ClearLoraData();
+}
+
+static void sendBufferDoneCb(
+    void* pContext,
+    bool fStatus)
+{
+    osjobcb_t pFn;
+
+    gLed.Set(LedPattern::Settling);
+    if (!fStatus) {
+        gCatena.SafePrintf("send buffer failed\n");
+        pFn = txFailedDoneCb;
+    }
+    else {
+        pFn = settleDoneCb;
+    }
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_SETTLE),
+        pFn);
+}
+
+static void txFailedDoneCb(
+    osjob_t* pSendJob)
+{
+    gCatena.SafePrintf("not provisioned, idling\n");
+    gLoRaWAN.Shutdown();
+    gLed.Set(LedPattern::NotProvisioned);
+}
+
+static void settleDoneCb(
+    osjob_t* pSendJob)
+{
+    const bool fDeepSleep = checkDeepSleep();
+
+    if (!g_fPrintedSleeping)
+        doSleepAlert(fDeepSleep);
+
+    if (fDeepSleep)
+        doDeepSleep(pSendJob);
+    else
+        doLightSleep(pSendJob);
+}
+
+bool checkDeepSleep(void)
+{
+    bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+    bool fDeepSleep;
+
+    if (fDeepSleepTest) {
+        fDeepSleep = true;
+    }
+#ifdef USBCON
+    else if (Serial.dtr()) {
+        fDeepSleep = false;
+    }
+#endif
+    else if (gCatena.GetOperatingFlags() & (1 << 17)) {
+        fDeepSleep = false;
+    }
+    else if ((gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended)) != 0) {
+        fDeepSleep = true;
+    }
+    else {
+        fDeepSleep = false;
+    }
+
+    return fDeepSleep;
+}
+
+void doSleepAlert(const bool fDeepSleep)
+{
+    g_fPrintedSleeping = true;
+
+    if (fDeepSleep) {
+        bool const fDeepSleepTest = gCatena.GetOperatingFlags() & (1 << 19);
+        const uint32_t deepSleepDelay = fDeepSleepTest ? 10 : 30;
+
+        gCatena.SafePrintf("using deep sleep in %u secs"
+#ifdef USBCON
+                           " (USB will disconnect while asleep)"
+#endif
+                           ": ",
+            deepSleepDelay);
+
+        // sleep and print
+        gLed.Set(LedPattern::TwoShort);
+
+        for (auto n = deepSleepDelay; n > 0; --n) {
+            uint32_t tNow = millis();
+
+            while (uint32_t(millis() - tNow) < 1000) {
+                gCatena.poll();
+                yield();
+            }
+            gCatena.SafePrintf(".");
+        }
+        gCatena.SafePrintf("\nStarting deep sleep.\n");
+        uint32_t tNow = millis();
+        while (uint32_t(millis() - tNow) < 100) {
+            gCatena.poll();
+            yield();
+        }
+    }
+    else
+        gCatena.SafePrintf("using light sleep\n");
+}
+
+void doDeepSleep(osjob_t* pJob)
+{
+    /* ok... now it's time for a deep sleep */
+    gLed.Set(LedPattern::Off);
+    Serial.end();
+    Wire.end();
+    SPI.end();
+    if (fFlash)
+        gSPI2.end();
+
+    gCatena.Sleep(CATCFG_T_INTERVAL);
+
+    /* and now... we're awake again. trigger another measurement */
+    Serial.begin();
+    Wire.begin();
+    SPI.begin();
+    if (fFlash)
+        gSPI2.begin();
+    sleepDoneCb(pJob);
+}
+
+
+void doLightSleep(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::Sleeping);
+    os_setTimedCallback(
+        pJob,
+        os_getTime() + sec2osticks(CATCFG_T_INTERVAL),
+        sleepDoneCb);
+}
+
+static void sleepDoneCb(osjob_t* pJob)
+{
+    gLed.Set(LedPattern::WarmingUp);
+
+    os_setTimedCallback(
+        &sensorJob,
+        os_getTime() + sec2osticks(CATCFG_T_WARMUP),
+        warmupDoneCb);
+}
+
+static void warmupDoneCb(osjob_t* pJob)
+{
+    ReadSensors(false);
+}

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Case/Modifications-Hammond/endcap-back-3d.scad

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+$fn = 100;
+
+// Head
+head_length=57.13;
+head_width=26.13;
+head_thickness=2.4;
+head_radius_corners=(44.65 - 35.6) /2.0;
+offset_m12_holes = (10-2-1.6-0.1)-8.5;
+
+module loch() {
+    cylinder(r=(0.15*25.4/2), h=10, center=true);
+    cylinder(r1=(0.23*25.4/2), r2=(0.15*25.4/2), h=((0.23-0.15)*25.4/2), center=true);
+}
+
+module m12() {
+    cylinder(d=12.2, h=10, center=true);
+}
+
+color("red")
+    difference() {
+        minkowski() {
+          cube([head_length - (2 * head_radius_corners),head_width - (2 *     head_radius_corners),head_thickness], center=true);
+          cylinder(r=head_radius_corners, h=0.1, center=true);
+        };
+        translate([-48.15/2,0,0-((0.23-0.15)*25.4/2)]) loch();
+        translate([48.15/2,0,0-((0.23-0.15)*25.4/2)]) loch();
+        translate([-20.95/2,offset_m12_holes,0]) m12();
+        translate([20.95/2,offset_m12_holes,0]) m12();
+    }
+           

Case/Modifications-Hammond/endcap-front-3d.scad

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+$fn = 100;
+
+// Head
+head_length=57.13;
+head_width=26.13;
+head_thickness=2.4;
+head_radius_corners=(44.65 - 35.6) /2.0;
+
+module loch() {
+    cylinder(r=(0.15*25.4/2), h=10, center=true);
+    cylinder(r1=(0.23*25.4/2), r2=(0.15*25.4/2), h=((0.23-0.15)*25.4/2), center=true);
+}
+
+module switch() {
+    cube([9.2,13.8,5],center = true);
+}
+
+module usb() {
+    cube([8,3.2,5],center = true);
+}
+
+module antenne() {
+    cylinder(d=6.5, h=10, center=true);
+}
+
+color("red")
+    difference() {
+        minkowski() {
+          cube([head_length - (2 * head_radius_corners),head_width - (2 *     head_radius_corners),head_thickness], center=true);
+          cylinder(r=head_radius_corners, h=0.1, center=true);
+        };
+        translate([-48.15/2,0,0-((0.23-0.15)*25.4/2)]) loch();
+        translate([48.15/2,0,0-((0.23-0.15)*25.4/2)]) loch();
+        translate([-11.4-0.3-(8.3/2),-2.5]) switch();
+        translate([0,1,0]) usb();
+        translate([16,0,0]) antenne();
+    }
+           

PCB/README-1.3.txt

@@ -0,0 +1,4 @@
+
+Uploaded
+
+23 Apr 22:40

PCB/beieliscale-kicad/beieliscale-kicad-cache.lib

@@ -0,0 +1,210 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Connector_Conn_01x02_Female
+#
+DEF Connector_Conn_01x02_Female J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Connector_Conn_01x02_Female" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+A 0 -100 20 901 -901 1 1 6 N 0 -80 0 -120
+A 0 0 20 901 -901 1 1 6 N 0 20 0 -20
+P 2 1 1 6 -50 -100 -20 -100 N
+P 2 1 1 6 -50 0 -20 0 N
+X Pin_1 1 -200 0 150 R 50 50 1 1 P
+X Pin_2 2 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Conn_01x03_Male
+#
+DEF Connector_Conn_01x03_Male J 0 40 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "Connector_Conn_01x03_Male" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S 34 -95 0 -105 1 1 6 F
+S 34 5 0 -5 1 1 6 F
+S 34 105 0 95 1 1 6 F
+P 2 1 1 6 50 -100 34 -100 N
+P 2 1 1 6 50 0 34 0 N
+P 2 1 1 6 50 100 34 100 N
+X Pin_1 1 200 100 150 L 50 50 1 1 P
+X Pin_2 2 200 0 150 L 50 50 1 1 P
+X Pin_3 3 200 -100 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Conn_01x05_Female
+#
+DEF Connector_Conn_01x05_Female J 0 40 Y N 1 F N
+F0 "J" 0 300 50 H V C CNN
+F1 "Connector_Conn_01x05_Female" 0 -300 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+A 0 -200 20 901 -901 1 1 6 N 0 -180 0 -220
+A 0 -100 20 901 -901 1 1 6 N 0 -80 0 -120
+A 0 0 20 901 -901 1 1 6 N 0 20 0 -20
+A 0 100 20 901 -901 1 1 6 N 0 120 0 80
+A 0 200 20 901 -901 1 1 6 N 0 220 0 180
+P 2 1 1 6 -50 -200 -20 -200 N
+P 2 1 1 6 -50 -100 -20 -100 N
+P 2 1 1 6 -50 0 -20 0 N
+P 2 1 1 6 -50 100 -20 100 N
+P 2 1 1 6 -50 200 -20 200 N
+X Pin_1 1 -200 200 150 R 50 50 1 1 P
+X Pin_2 2 -200 100 150 R 50 50 1 1 P
+X Pin_3 3 -200 0 150 R 50 50 1 1 P
+X Pin_4 4 -200 -100 150 R 50 50 1 1 P
+X Pin_5 5 -200 -200 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_01x01
+#
+DEF Connector_Generic_Conn_01x01 J 0 40 Y N 1 F N
+F0 "J" 0 100 50 H V C CNN
+F1 "Connector_Generic_Conn_01x01" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*
+$ENDFPLIST
+DRAW
+S -50 5 0 -5 1 1 6 N
+S -50 50 50 -50 1 1 10 f
+X Pin_1 1 -200 0 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# MiscellaneousDevices_ADAFRUIT_FEATHER
+#
+DEF MiscellaneousDevices_ADAFRUIT_FEATHER U 0 40 Y Y 2 F N
+F0 "U" 200 -550 60 V V C CNN
+F1 "MiscellaneousDevices_ADAFRUIT_FEATHER" 200 250 60 V V C CNN
+F2 "" 150 -200 60 H V C CNN
+F3 "" 150 -200 60 H V C CNN
+DRAW
+S -150 650 150 -650 1 1 0 N
+S -150 800 150 -800 2 1 0 N
+X VBAT 17 -250 550 100 R 40 40 1 1 I
+X EN 18 -250 450 100 R 40 40 1 1 I
+X VBUS 19 -250 350 100 R 40 40 1 1 I
+X 13 20 -250 250 100 R 40 40 1 1 I
+X 12 21 -250 150 100 R 40 40 1 1 I
+X 11 22 -250 50 100 R 40 40 1 1 I
+X 10 23 -250 -50 100 R 40 40 1 1 I
+X 9 24 -250 -150 100 R 40 40 1 1 I
+X 6 25 -250 -250 100 R 40 40 1 1 I
+X 5 26 -250 -350 100 R 40 40 1 1 I
+X 3 27 -250 -450 100 R 40 40 1 1 I
+X 2 28 -250 -550 100 R 40 40 1 1 I
+X DIO1 1 -250 -750 100 R 40 40 2 1 I
+X A2 10 -250 150 100 R 40 40 2 1 I
+X A1 11 -250 250 100 R 40 40 2 1 I
+X A0 12 -250 350 100 R 40 40 2 1 I
+X GND 13 -250 450 100 R 40 40 2 1 I
+X AREF 14 -250 550 100 R 40 40 2 1 I
+X +3V3 15 -250 650 100 R 40 40 2 1 I
+X RST 16 -250 750 100 R 40 40 2 1 I
+X 1 2 -250 -650 100 R 40 40 2 1 I
+X 0 3 -250 -550 100 R 40 40 2 1 I
+X MISO 4 -250 -450 100 R 40 40 2 1 I
+X MOSI 5 -250 -350 100 R 40 40 2 1 I
+X SCK 6 -250 -250 100 R 40 40 2 1 I
+X A5 7 -250 -150 100 R 40 40 2 1 I
+X A4 8 -250 -50 100 R 40 40 2 1 I
+X A3 9 -250 50 100 R 40 40 2 1 I
+ENDDRAW
+ENDDEF
+#
+# SEN-13879_SEN-13879
+#
+DEF SEN-13879_SEN-13879 U 0 40 Y Y 1 L N
+F0 "U" -400 626 50 H V L BNN
+F1 "SEN-13879_SEN-13879" -400 -700 50 H V L BNN
+F2 "SPARKFUN_SEN-13879" 0 0 50 H I L BNN
+F3 "Load Cell Amp Hx711" 0 0 50 H I L BNN
+F4 "SparkFun" 0 0 50 H I L BNN
+F5 "Unavailable" 0 0 50 H I L BNN
+F6 "SEN-13879" 0 0 50 H I L BNN
+F7 "None" 0 0 50 H I L BNN
+F8 "None" 0 0 50 H I L BNN
+DRAW
+P 2 0 0 10 -400 -600 -400 600 N
+P 2 0 0 10 -400 600 400 600 N
+P 2 0 0 10 400 -600 -400 -600 N
+P 2 0 0 10 400 600 400 -600 N
+X RED 1 -500 300 100 R 40 40 0 0 B
+X VDD 10 500 500 100 L 40 40 0 0 W
+X B+ 11 -500 -300 100 R 40 40 0 0 I
+X B- 12 -500 -400 100 R 40 40 0 0 I
+X BLK 2 -500 200 100 R 40 40 0 0 B
+X WHT 3 -500 100 100 R 40 40 0 0 I
+X GRN 4 -500 0 100 R 40 40 0 0 I
+X YLW 5 -500 -100 100 R 40 40 0 0 B
+X GND 6 500 -500 100 L 40 40 0 0 W
+X CLK 7 500 -200 100 L 40 40 0 0 I C
+X DAT 8 500 -100 100 L 40 40 0 0 O
+X VCC 9 500 400 100 L 40 40 0 0 W
+ENDDRAW
+ENDDEF
+#
+# T4145015051-001_T4145015051-001
+#
+DEF T4145015051-001_T4145015051-001 J 0 40 N Y 1 L N
+F0 "J" -300 500 50 H V L BNN
+F1 "T4145015051-001_T4145015051-001" -300 -500 50 H V L BNN
+F2 "T4145015051-001" 0 0 50 H I L BNN
+F3 "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P" 0 0 50 H I L BNN
+F4 "https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493" 0 0 50 H I L BNN
+F5 "TE Connectivity" 0 0 50 H I L BNN
+F6 "Unavailable" 0 0 50 H I L BNN
+F7 "None" 0 0 50 H I L BNN
+F8 "T4145015051-001" 0 0 50 H I L BNN
+F9 "T4145015051-001" 0 0 50 H I L BNN
+F10 "None" 0 0 50 H I L BNN
+DRAW
+P 2 0 0 10 -300 -300 300 -300 N
+P 2 0 0 10 -300 400 -300 -300 N
+P 2 0 0 10 -300 400 -100 400 N
+P 2 0 0 10 -100 300 100 300 N
+P 2 0 0 10 -100 400 -100 300 N
+P 2 0 0 10 100 300 100 400 N
+P 2 0 0 10 100 400 300 400 N
+P 2 0 0 10 300 -300 300 400 N
+X 1 P$1 -200 400 200 D 40 40 0 0 B I
+X 2 P$2 200 400 200 D 40 40 0 0 B I
+X 3 P$3 200 -300 200 U 40 40 0 0 B I
+X 4 P$4 -200 -300 200 U 40 40 0 0 B I
+X 5 P$5 0 300 300 D 40 40 0 0 B I
+ENDDRAW
+ENDDEF
+#
+# power_PWR_FLAG
+#
+DEF power_PWR_FLAG #FLG 0 0 N N 1 F P
+F0 "#FLG" 0 75 50 H I C CNN
+F1 "power_PWR_FLAG" 0 150 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 6 0 1 0 0 0 0 50 -40 75 0 100 40 75 0 50 N
+X pwr 1 0 0 0 U 50 50 0 0 w
+ENDDRAW
+ENDDEF
+#
+#End Library

PCB/beieliscale-kicad/beieliscale-kicad-eagle-import.dcm

@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library

PCB/beieliscale-kicad/beieliscale-kicad.bak

@@ -0,0 +1,406 @@
+EESchema Schematic File Version 4
+LIBS:beieliscale-kicad-cache
+EELAYER 29 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L SEN-13879:SEN-13879 HX711-1
+U 1 1 5C8AE7C5
+P 4550 3350
+F 0 "HX711-1" H 4550 4117 50  0000 C CNN
+F 1 "SEN-13879" H 4550 4026 50  0000 C CNN
+F 2 "SPARKFUN_SEN-13879" H 4550 3350 50  0001 L BNN
+F 3 "Load Cell Amp Hx711" H 4550 3350 50  0001 L BNN
+F 4 "SparkFun" H 4550 3350 50  0001 L BNN "Field4"
+F 5 "Unavailable" H 4550 3350 50  0001 L BNN "Field5"
+F 6 "SEN-13879" H 4550 3350 50  0001 L BNN "Field6"
+F 7 "None" H 4550 3350 50  0001 L BNN "Field7"
+F 8 "None" H 4550 3350 50  0001 L BNN "Field8"
+	1    4550 3350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6700 3550 6700 3150
+Wire Wire Line
+	6700 3150 6850 3150
+Wire Wire Line
+	5050 3550 6700 3550
+Wire Wire Line
+	5050 3450 6750 3450
+Wire Wire Line
+	6750 3450 6750 3250
+Wire Wire Line
+	6750 3250 6850 3250
+NoConn ~ 6850 2950
+NoConn ~ 4050 3650
+NoConn ~ 4050 3750
+Wire Wire Line
+	5050 2950 5600 2950
+Wire Wire Line
+	5600 2950 5600 2850
+$Comp
+L power:PWR_FLAG #FLG0101
+U 1 1 5C8B848F
+P 6000 2850
+F 0 "#FLG0101" H 6000 2925 50  0001 C CNN
+F 1 "PWR_FLAG" H 6000 3024 50  0000 C CNN
+F 2 "" H 6000 2850 50  0001 C CNN
+F 3 "~" H 6000 2850 50  0001 C CNN
+	1    6000 2850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5050 2850 5600 2850
+Connection ~ 5600 2850
+Wire Wire Line
+	5600 2850 5700 2850
+Wire Wire Line
+	5500 3850 5500 3050
+NoConn ~ 8700 3050
+NoConn ~ 8700 3250
+NoConn ~ 8700 3650
+NoConn ~ 8700 3750
+NoConn ~ 8700 3850
+$Comp
+L power:PWR_FLAG #FLG0102
+U 1 1 5C8C2453
+P 5250 3850
+F 0 "#FLG0102" H 5250 3925 50  0001 C CNN
+F 1 "PWR_FLAG" H 5250 4024 50  0000 C CNN
+F 2 "" H 5250 3850 50  0001 C CNN
+F 3 "~" H 5250 3850 50  0001 C CNN
+	1    5250 3850
+	1    0    0    -1  
+$EndComp
+Connection ~ 5250 3850
+$Comp
+L SEN-13879:SEN-13879 HX711-2
+U 1 1 5C8CD302
+P 4550 5100
+F 0 "HX711-2" H 4550 5867 50  0000 C CNN
+F 1 "SEN-13879" H 4550 5776 50  0000 C CNN
+F 2 "SPARKFUN_SEN-13879" H 4550 5100 50  0001 L BNN
+F 3 "Load Cell Amp Hx711" H 4550 5100 50  0001 L BNN
+F 4 "SparkFun" H 4550 5100 50  0001 L BNN "Field4"
+F 5 "Unavailable" H 4550 5100 50  0001 L BNN "Field5"
+F 6 "SEN-13879" H 4550 5100 50  0001 L BNN "Field6"
+F 7 "None" H 4550 5100 50  0001 L BNN "Field7"
+F 8 "None" H 4550 5100 50  0001 L BNN "Field8"
+	1    4550 5100
+	1    0    0    -1  
+$EndComp
+NoConn ~ 4050 5400
+NoConn ~ 4050 5500
+Wire Wire Line
+	5050 4600 5600 4600
+Wire Wire Line
+	5600 4600 5600 2950
+Connection ~ 5600 2950
+Wire Wire Line
+	5050 4700 5600 4700
+Wire Wire Line
+	5600 4700 5600 4600
+Connection ~ 5600 4600
+Wire Wire Line
+	5050 5600 5250 5600
+Wire Wire Line
+	5250 5600 5250 3850
+Wire Wire Line
+	6650 5300 6650 3350
+Wire Wire Line
+	6650 3350 6850 3350
+Wire Wire Line
+	5050 5300 6650 5300
+$Comp
+L MiscellaneousDevices:ADAFRUIT_FEATHER U1
+U 1 1 5C8BFC62
+P 8950 3300
+F 0 "U1" H 9128 3353 60  0000 L CNN
+F 1 "MCCI 4610" H 9128 3247 60  0000 L CNN
+F 2 "" H 9100 3100 60  0000 C CNN
+F 3 "" H 9100 3100 60  0000 C CNN
+	1    8950 3300
+	1    0    0    -1  
+$EndComp
+NoConn ~ 8700 2850
+$Comp
+L Connector:Conn_01x02_Female BAT1
+U 1 1 5C92F7C2
+P 4350 1900
+F 0 "BAT1" H 4244 1575 50  0000 C CNN
+F 1 "Conn_01x02_Female" H 4244 1666 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical" H 4350 1900 50  0001 C CNN
+F 3 "~" H 4350 1900 50  0001 C CNN
+	1    4350 1900
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	8150 1900 8150 2750
+Wire Wire Line
+	8150 2750 8700 2750
+Wire Wire Line
+	5250 3850 5500 3850
+$Comp
+L T4145015051-001:T4145015051-001 J2
+U 1 1 5CA65D1D
+P 2950 5000
+F 0 "J2" V 2483 5050 50  0000 C CNN
+F 1 "T4145015051-001" V 2574 5050 50  0000 C CNN
+F 2 "T4145015051-001" H 2950 5000 50  0001 L BNN
+F 3 "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P" H 2950 5000 50  0001 L BNN
+F 4 "https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493" H 2950 5000 50  0001 L BNN "Field4"
+F 5 "TE Connectivity" H 2950 5000 50  0001 L BNN "Field5"
+F 6 "Unavailable" H 2950 5000 50  0001 L BNN "Field6"
+F 7 "None" H 2950 5000 50  0001 L BNN "Field7"
+F 8 "T4145015051-001" H 2950 5000 50  0001 L BNN "Field8"
+F 9 "T4145015051-001" H 2950 5000 50  0001 L BNN "Field9"
+F 10 "None" H 2950 5000 50  0001 L BNN "Field10"
+	1    2950 5000
+	0    1    1    0   
+$EndComp
+$Comp
+L T4145015051-001:T4145015051-001 J1
+U 1 1 5CA66C31
+P 2950 3250
+F 0 "J1" V 2483 3300 50  0000 C CNN
+F 1 "T4145015051-001" V 2574 3300 50  0000 C CNN
+F 2 "T4145015051-001" H 2950 3250 50  0001 L BNN
+F 3 "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P" H 2950 3250 50  0001 L BNN
+F 4 "https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493" H 2950 3250 50  0001 L BNN "Field4"
+F 5 "TE Connectivity" H 2950 3250 50  0001 L BNN "Field5"
+F 6 "Unavailable" H 2950 3250 50  0001 L BNN "Field6"
+F 7 "None" H 2950 3250 50  0001 L BNN "Field7"
+F 8 "T4145015051-001" H 2950 3250 50  0001 L BNN "Field8"
+F 9 "T4145015051-001" H 2950 3250 50  0001 L BNN "Field9"
+F 10 "None" H 2950 3250 50  0001 L BNN "Field10"
+	1    2950 3250
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4050 3050 3350 3050
+Wire Wire Line
+	4050 3150 3450 3150
+Wire Wire Line
+	3450 3150 3450 3450
+Wire Wire Line
+	3450 3450 3350 3450
+Wire Wire Line
+	4050 3250 3650 3250
+Wire Wire Line
+	3650 3250 3650 3650
+Wire Wire Line
+	3650 3650 2650 3650
+Wire Wire Line
+	2650 3650 2650 3450
+Wire Wire Line
+	4050 3350 3750 3350
+Wire Wire Line
+	3750 3350 3750 3800
+Wire Wire Line
+	3750 3800 2450 3800
+Wire Wire Line
+	2450 3800 2450 3050
+Wire Wire Line
+	2450 3050 2650 3050
+Wire Wire Line
+	4050 3450 3850 3450
+Wire Wire Line
+	3850 3450 3850 3900
+Wire Wire Line
+	3850 3900 3250 3900
+Wire Wire Line
+	3250 3900 3250 3250
+Wire Wire Line
+	4050 4800 3350 4800
+Wire Wire Line
+	4050 4900 3500 4900
+Wire Wire Line
+	3500 4900 3500 5200
+Wire Wire Line
+	3500 5200 3350 5200
+Wire Wire Line
+	4050 5000 3600 5000
+Wire Wire Line
+	3600 5000 3600 5400
+Wire Wire Line
+	3600 5400 2500 5400
+Wire Wire Line
+	2500 5400 2500 5200
+Wire Wire Line
+	2500 5200 2650 5200
+Wire Wire Line
+	4050 5100 3700 5100
+Wire Wire Line
+	3700 5100 3700 5550
+Wire Wire Line
+	3700 5550 2400 5550
+Wire Wire Line
+	2400 5550 2400 4800
+Wire Wire Line
+	2400 4800 2650 4800
+Wire Wire Line
+	3750 5200 3750 5600
+Wire Wire Line
+	3750 5600 3250 5600
+Wire Wire Line
+	3250 5600 3250 5000
+Wire Wire Line
+	3750 5200 4050 5200
+Wire Wire Line
+	4550 1800 5150 1800
+Wire Wire Line
+	5050 3850 5150 3850
+Wire Wire Line
+	5150 3850 5250 3850
+Connection ~ 5150 3850
+Wire Wire Line
+	5150 1800 5150 3850
+$Comp
+L Connector:Conn_01x02_Female SWITCH1
+U 1 1 5CAD5AEF
+P 6300 1700
+F 0 "SWITCH1" H 6194 1375 50  0000 C CNN
+F 1 "Conn_01x02_Female" H 6194 1466 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical" H 6300 1700 50  0001 C CNN
+F 3 "~" H 6300 1700 50  0001 C CNN
+	1    6300 1700
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	6400 1900 8150 1900
+Wire Wire Line
+	4550 1900 6300 1900
+NoConn ~ 8700 2950
+$Comp
+L Connector:Conn_01x05_Female J3
+U 1 1 5CBF85B5
+P 6000 3850
+F 0 "J3" H 6150 4050 50  0000 C CNN
+F 1 "Conn_01x05_Female" H 5950 4150 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B5B-PH-K_1x05_P2.00mm_Vertical" H 6000 3850 50  0001 C CNN
+F 3 "~" H 6000 3850 50  0001 C CNN
+	1    6000 3850
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	6600 4050 6600 2850
+Wire Wire Line
+	6600 2850 6850 2850
+Wire Wire Line
+	6200 4050 6600 4050
+Wire Wire Line
+	6200 3950 6500 3950
+Wire Wire Line
+	6500 3950 6500 3050
+Wire Wire Line
+	5500 3050 6500 3050
+Connection ~ 6500 3050
+Wire Wire Line
+	6500 3050 6850 3050
+Wire Wire Line
+	6200 3650 6400 3650
+Wire Wire Line
+	6400 3650 6400 2750
+Wire Wire Line
+	6400 2750 6850 2750
+Wire Wire Line
+	6200 3850 6400 3850
+Wire Wire Line
+	6400 3850 6400 4450
+Wire Wire Line
+	8500 4450 8500 3550
+Wire Wire Line
+	8500 3550 8700 3550
+Wire Wire Line
+	6200 3750 6550 3750
+Wire Wire Line
+	6550 3750 6550 4350
+Wire Wire Line
+	8400 4350 8400 3450
+Wire Wire Line
+	8400 3450 8700 3450
+Wire Wire Line
+	6550 4350 8400 4350
+Wire Wire Line
+	6400 4450 8500 4450
+NoConn ~ 6850 3550
+$Comp
+L MiscellaneousDevices:ADAFRUIT_FEATHER U1
+U 2 1 5C8C025E
+P 7100 3500
+F 0 "U1" H 7278 3606 60  0000 L CNN
+F 1 "MCCI 4610" H 7278 3500 60  0000 L CNN
+F 2 "Modules:ADAFRUIT_FEATHER" H 7278 3394 60  0000 L CNN
+F 3 "" H 7250 3300 60  0000 C CNN
+	2    7100 3500
+	1    0    0    -1  
+$EndComp
+NoConn ~ 6850 4250
+NoConn ~ 6850 3950
+NoConn ~ 6850 3850
+NoConn ~ 6850 3750
+NoConn ~ 6850 3650
+NoConn ~ 6850 3450
+Wire Wire Line
+	8600 5200 5050 5200
+Wire Wire Line
+	8600 3150 8600 5200
+Wire Wire Line
+	8600 3150 8700 3150
+$Comp
+L Connector:Conn_01x03_Male J4
+U 1 1 5CFBD036
+P 6000 4900
+F 0 "J4" H 6108 5181 50  0000 C CNN
+F 1 "Conn_01x03_Male" H 6108 5090 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 6000 4900 50  0001 C CNN
+F 3 "~" H 6000 4900 50  0001 C CNN
+	1    6000 4900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6200 5600 6200 5000
+Wire Wire Line
+	6200 4800 6750 4800
+Wire Wire Line
+	6750 4800 6750 4050
+Wire Wire Line
+	6750 4050 6850 4050
+Wire Wire Line
+	6200 4900 6800 4900
+Wire Wire Line
+	6800 4900 6800 4150
+Wire Wire Line
+	6800 4150 6850 4150
+NoConn ~ 8700 3350
+Wire Wire Line
+	5250 5600 6200 5600
+Connection ~ 5250 5600
+$Comp
+L Connector:Conn_01x01_Male J5
+U 1 1 5CFE89F8
+P 5500 2350
+F 0 "J5" H 5608 2531 50  0000 C CNN
+F 1 "VOUT1" H 5608 2440 50  0000 C CNN
+F 2 "" H 5500 2350 50  0001 C CNN
+F 3 "~" H 5500 2350 50  0001 C CNN
+	1    5500 2350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5700 2350 5700 2850
+Connection ~ 5700 2850
+Wire Wire Line
+	5700 2850 6000 2850
+$EndSCHEMATC

PCB/beieliscale-kicad/beieliscale-kicad.csv

@@ -0,0 +1,7 @@
+"Id";"Designator";"Package";"Quantity";"Designation";"Supplier and ref";
+1;"U2";"ADAFRUIT_FEATHER";1;"ADAFRUIT_FEATHER";;;
+2;"HX711-2,HX711-1";"SPARKFUN_SEN-13879";2;"SEN-13879";;;
+3;"J1,J2";"CUI_MD2-60ST";2;"Conn_01x05_Male";;;
+4;"J3";"AMPHENOL_MUSB-K152-30";1;"MUSB-K152-30";;;
+5;"J4";"JST_XH_B02B-XH-AM_1x02_P2.50mm_Vertical";1;"Conn_01x02_Female";;;
+6;"SW1";"SW_E-Switch_EG1224_SPDT_Angled";1;"SWITCH_SPST";;;

PCB/beieliscale-kicad/beieliscale-kicad.net

@@ -0,0 +1,369 @@
+(export (version D)
+  (design
+    (source /home/joerg/git-repos/beieliscale/PCB/beieliscale-kicad/beieliscale-kicad.sch)
+    (date "Fr 07 Jun 2019 16:19:25 CEST")
+    (tool "Eeschema 5.1.2-1.fc30")
+    (sheet (number 1) (name /) (tstamps /)
+      (title_block
+        (title)
+        (company)
+        (rev)
+        (date)
+        (source beieliscale-kicad.sch)
+        (comment (number 1) (value ""))
+        (comment (number 2) (value ""))
+        (comment (number 3) (value ""))
+        (comment (number 4) (value "")))))
+  (components
+    (comp (ref HX711-1)
+      (value SEN-13879)
+      (footprint SPARKFUN_SEN-13879)
+      (datasheet "Load Cell Amp Hx711")
+      (fields
+        (field (name Field4) SparkFun)
+        (field (name Field5) Unavailable)
+        (field (name Field6) SEN-13879)
+        (field (name Field7) None)
+        (field (name Field8) None))
+      (libsource (lib SEN-13879) (part SEN-13879) (description ""))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5C8AE7C5))
+    (comp (ref HX711-2)
+      (value SEN-13879)
+      (footprint SPARKFUN_SEN-13879)
+      (datasheet "Load Cell Amp Hx711")
+      (fields
+        (field (name Field4) SparkFun)
+        (field (name Field5) Unavailable)
+        (field (name Field6) SEN-13879)
+        (field (name Field7) None)
+        (field (name Field8) None))
+      (libsource (lib SEN-13879) (part SEN-13879) (description ""))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5C8CD302))
+    (comp (ref U1)
+      (value "MCCI 4610")
+      (footprint Modules:ADAFRUIT_FEATHER)
+      (libsource (lib MiscellaneousDevices) (part ADAFRUIT_FEATHER) (description ""))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5C8BFC62))
+    (comp (ref BAT1)
+      (value Conn_01x02_Female)
+      (footprint Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical)
+      (datasheet ~)
+      (libsource (lib Connector) (part Conn_01x02_Female) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5C92F7C2))
+    (comp (ref J2)
+      (value T4145015051-001)
+      (footprint T4145015051-001)
+      (datasheet "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P")
+      (fields
+        (field (name Field10) None)
+        (field (name Field4) https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493)
+        (field (name Field5) "TE Connectivity")
+        (field (name Field6) Unavailable)
+        (field (name Field7) None)
+        (field (name Field8) T4145015051-001)
+        (field (name Field9) T4145015051-001))
+      (libsource (lib T4145015051-001) (part T4145015051-001) (description ""))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CA65D1D))
+    (comp (ref J1)
+      (value T4145015051-001)
+      (footprint T4145015051-001)
+      (datasheet "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P")
+      (fields
+        (field (name Field10) None)
+        (field (name Field4) https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493)
+        (field (name Field5) "TE Connectivity")
+        (field (name Field6) Unavailable)
+        (field (name Field7) None)
+        (field (name Field8) T4145015051-001)
+        (field (name Field9) T4145015051-001))
+      (libsource (lib T4145015051-001) (part T4145015051-001) (description ""))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CA66C31))
+    (comp (ref SWITCH1)
+      (value Conn_01x02_Female)
+      (footprint Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical)
+      (datasheet ~)
+      (libsource (lib Connector) (part Conn_01x02_Female) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CAD5AEF))
+    (comp (ref J3)
+      (value Conn_01x05_Female)
+      (footprint Connector_JST:JST_PH_B5B-PH-K_1x05_P2.00mm_Vertical)
+      (datasheet ~)
+      (libsource (lib Connector) (part Conn_01x05_Female) (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)"))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CBF85B5))
+    (comp (ref J4)
+      (value Conn_01x03_Male)
+      (footprint Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical)
+      (datasheet ~)
+      (libsource (lib Connector) (part Conn_01x03_Male) (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CFBD036))
+    (comp (ref VOUT1)
+      (value Conn_01x01)
+      (footprint Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical)
+      (datasheet ~)
+      (libsource (lib Connector_Generic) (part Conn_01x01) (description "Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/)"))
+      (sheetpath (names /) (tstamps /))
+      (tstamp 5CFF362B)))
+  (libparts
+    (libpart (lib Connector) (part Conn_01x02_Female)
+      (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)")
+      (docs ~)
+      (footprints
+        (fp Connector*:*_1x??_*))
+      (fields
+        (field (name Reference) J)
+        (field (name Value) Conn_01x02_Female))
+      (pins
+        (pin (num 1) (name Pin_1) (type passive))
+        (pin (num 2) (name Pin_2) (type passive))))
+    (libpart (lib Connector) (part Conn_01x03_Male)
+      (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)")
+      (docs ~)
+      (footprints
+        (fp Connector*:*_1x??_*))
+      (fields
+        (field (name Reference) J)
+        (field (name Value) Conn_01x03_Male))
+      (pins
+        (pin (num 1) (name Pin_1) (type passive))
+        (pin (num 2) (name Pin_2) (type passive))
+        (pin (num 3) (name Pin_3) (type passive))))
+    (libpart (lib Connector) (part Conn_01x05_Female)
+      (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)")
+      (docs ~)
+      (footprints
+        (fp Connector*:*_1x??_*))
+      (fields
+        (field (name Reference) J)
+        (field (name Value) Conn_01x05_Female))
+      (pins
+        (pin (num 1) (name Pin_1) (type passive))
+        (pin (num 2) (name Pin_2) (type passive))
+        (pin (num 3) (name Pin_3) (type passive))
+        (pin (num 4) (name Pin_4) (type passive))
+        (pin (num 5) (name Pin_5) (type passive))))
+    (libpart (lib Connector_Generic) (part Conn_01x01)
+      (description "Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/)")
+      (docs ~)
+      (footprints
+        (fp Connector*:*))
+      (fields
+        (field (name Reference) J)
+        (field (name Value) Conn_01x01))
+      (pins
+        (pin (num 1) (name Pin_1) (type passive))))
+    (libpart (lib MiscellaneousDevices) (part ADAFRUIT_FEATHER)
+      (fields
+        (field (name Reference) U)
+        (field (name Value) ADAFRUIT_FEATHER))
+      (pins
+        (pin (num 1) (name DIO1) (type input))
+        (pin (num 2) (name 1) (type input))
+        (pin (num 3) (name 0) (type input))
+        (pin (num 4) (name MISO) (type input))
+        (pin (num 5) (name MOSI) (type input))
+        (pin (num 6) (name SCK) (type input))
+        (pin (num 7) (name A5) (type input))
+        (pin (num 8) (name A4) (type input))
+        (pin (num 9) (name A3) (type input))
+        (pin (num 10) (name A2) (type input))
+        (pin (num 11) (name A1) (type input))
+        (pin (num 12) (name A0) (type input))
+        (pin (num 13) (name GND) (type input))
+        (pin (num 14) (name AREF) (type input))
+        (pin (num 15) (name +3V3) (type input))
+        (pin (num 16) (name RST) (type input))
+        (pin (num 17) (name VBAT) (type input))
+        (pin (num 18) (name EN) (type input))
+        (pin (num 19) (name VBUS) (type input))
+        (pin (num 20) (name 13) (type input))
+        (pin (num 21) (name 12) (type input))
+        (pin (num 22) (name 11) (type input))
+        (pin (num 23) (name 10) (type input))
+        (pin (num 24) (name 9) (type input))
+        (pin (num 25) (name 6) (type input))
+        (pin (num 26) (name 5) (type input))
+        (pin (num 27) (name 3) (type input))
+        (pin (num 28) (name 2) (type input))))
+    (libpart (lib SEN-13879) (part SEN-13879)
+      (fields
+        (field (name Reference) U)
+        (field (name Value) SEN-13879)
+        (field (name Footprint) SPARKFUN_SEN-13879)
+        (field (name Datasheet) "Load Cell Amp Hx711")
+        (field (name Field4) SparkFun)
+        (field (name Field5) Unavailable)
+        (field (name Field6) SEN-13879)
+        (field (name Field7) None)
+        (field (name Field8) None))
+      (pins
+        (pin (num 1) (name RED) (type BiDi))
+        (pin (num 2) (name BLK) (type BiDi))
+        (pin (num 3) (name WHT) (type input))
+        (pin (num 4) (name GRN) (type input))
+        (pin (num 5) (name YLW) (type BiDi))
+        (pin (num 6) (name GND) (type power_in))
+        (pin (num 7) (name CLK) (type input))
+        (pin (num 8) (name DAT) (type output))
+        (pin (num 9) (name VCC) (type power_in))
+        (pin (num 10) (name VDD) (type power_in))
+        (pin (num 11) (name B+) (type input))
+        (pin (num 12) (name B-) (type input))))
+    (libpart (lib T4145015051-001) (part T4145015051-001)
+      (fields
+        (field (name Reference) J)
+        (field (name Value) T4145015051-001)
+        (field (name Footprint) T4145015051-001)
+        (field (name Datasheet) "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P")
+        (field (name Field4) https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493)
+        (field (name Field5) "TE Connectivity")
+        (field (name Field6) Unavailable)
+        (field (name Field7) None)
+        (field (name Field8) T4145015051-001)
+        (field (name Field9) T4145015051-001)
+        (field (name Field10) None))
+      (pins
+        (pin (num P$1) (name 1) (type BiDi))
+        (pin (num P$2) (name 2) (type BiDi))
+        (pin (num P$3) (name 3) (type BiDi))
+        (pin (num P$4) (name 4) (type BiDi))
+        (pin (num P$5) (name 5) (type BiDi)))))
+  (libraries
+    (library (logical Connector)
+      (uri /usr/share/kicad/library/Connector.lib))
+    (library (logical Connector_Generic)
+      (uri /usr/share/kicad/library/Connector_Generic.lib))
+    (library (logical MiscellaneousDevices)
+      (uri /home/joerg/git-repos/KiCad-Libraries/symbols/MiscellaneousDevices.lib))
+    (library (logical SEN-13879)
+      (uri /home/joerg/Downloads/SEN-13879.lib))
+    (library (logical T4145015051-001)
+      (uri /home/joerg/Downloads/T4145015051-001.lib)))
+  (nets
+    (net (code 1) (name "Net-(J3-Pad1)")
+      (node (ref J3) (pin 1))
+      (node (ref U1) (pin 15)))
+    (net (code 2) (name "Net-(BAT1-Pad1)")
+      (node (ref SWITCH1) (pin 1))
+      (node (ref BAT1) (pin 1)))
+    (net (code 3) (name "Net-(SWITCH1-Pad2)")
+      (node (ref U1) (pin 17))
+      (node (ref SWITCH1) (pin 2)))
+    (net (code 4) (name "Net-(U1-Pad19)")
+      (node (ref U1) (pin 19)))
+    (net (code 5) (name "Net-(J3-Pad5)")
+      (node (ref J3) (pin 5))
+      (node (ref U1) (pin 16)))
+    (net (code 6) (name "Net-(J3-Pad3)")
+      (node (ref J3) (pin 3))
+      (node (ref U1) (pin 25)))
+    (net (code 7) (name "Net-(HX711-2-Pad4)")
+      (node (ref HX711-2) (pin 4))
+      (node (ref J2) (pin P$4)))
+    (net (code 8) (name "Net-(HX711-2-Pad1)")
+      (node (ref J2) (pin P$1))
+      (node (ref HX711-2) (pin 1)))
+    (net (code 9) (name "Net-(HX711-2-Pad2)")
+      (node (ref J2) (pin P$2))
+      (node (ref HX711-2) (pin 2)))
+    (net (code 10) (name "Net-(HX711-2-Pad3)")
+      (node (ref HX711-2) (pin 3))
+      (node (ref J2) (pin P$3)))
+    (net (code 11) (name "Net-(HX711-2-Pad5)")
+      (node (ref HX711-2) (pin 5))
+      (node (ref J2) (pin P$5)))
+    (net (code 12) (name "Net-(U1-Pad6)")
+      (node (ref U1) (pin 6)))
+    (net (code 13) (name "Net-(U1-Pad7)")
+      (node (ref U1) (pin 7)))
+    (net (code 14) (name "Net-(U1-Pad9)")
+      (node (ref U1) (pin 9)))
+    (net (code 15) (name "Net-(HX711-2-Pad8)")
+      (node (ref HX711-2) (pin 8))
+      (node (ref U1) (pin 21)))
+    (net (code 16) (name "Net-(J4-Pad1)")
+      (node (ref J4) (pin 1))
+      (node (ref U1) (pin 3)))
+    (net (code 17) (name "Net-(J4-Pad2)")
+      (node (ref J4) (pin 2))
+      (node (ref U1) (pin 2)))
+    (net (code 18) (name "Net-(U1-Pad5)")
+      (node (ref U1) (pin 5)))
+    (net (code 19) (name "Net-(U1-Pad23)")
+      (node (ref U1) (pin 23)))
+    (net (code 20) (name "Net-(J3-Pad4)")
+      (node (ref U1) (pin 24))
+      (node (ref J3) (pin 4)))
+    (net (code 21) (name "Net-(U1-Pad8)")
+      (node (ref U1) (pin 8)))
+    (net (code 22) (name "Net-(U1-Pad1)")
+      (node (ref U1) (pin 1)))
+    (net (code 23) (name "Net-(U1-Pad4)")
+      (node (ref U1) (pin 4)))
+    (net (code 24) (name "Net-(HX711-1-Pad7)")
+      (node (ref HX711-1) (pin 7))
+      (node (ref U1) (pin 12)))
+    (net (code 25) (name "Net-(U1-Pad14)")
+      (node (ref U1) (pin 14)))
+    (net (code 26) (name "Net-(U1-Pad20)")
+      (node (ref U1) (pin 20)))
+    (net (code 27) (name "Net-(U1-Pad22)")
+      (node (ref U1) (pin 22)))
+    (net (code 28) (name "Net-(U1-Pad26)")
+      (node (ref U1) (pin 26)))
+    (net (code 29) (name "Net-(U1-Pad27)")
+      (node (ref U1) (pin 27)))
+    (net (code 30) (name "Net-(U1-Pad28)")
+      (node (ref U1) (pin 28)))
+    (net (code 31) (name "Net-(BAT1-Pad2)")
+      (node (ref HX711-1) (pin 6))
+      (node (ref BAT1) (pin 2))
+      (node (ref J3) (pin 2))
+      (node (ref HX711-2) (pin 6))
+      (node (ref U1) (pin 13))
+      (node (ref J4) (pin 3)))
+    (net (code 32) (name "Net-(HX711-1-Pad10)")
+      (node (ref HX711-2) (pin 9))
+      (node (ref HX711-2) (pin 10))
+      (node (ref HX711-1) (pin 9))
+      (node (ref HX711-1) (pin 10))
+      (node (ref VOUT1) (pin 1)))
+    (net (code 33) (name "Net-(HX711-2-Pad11)")
+      (node (ref HX711-2) (pin 11)))
+    (net (code 34) (name "Net-(HX711-2-Pad12)")
+      (node (ref HX711-2) (pin 12)))
+    (net (code 35) (name "Net-(HX711-1-Pad3)")
+      (node (ref J1) (pin P$3))
+      (node (ref HX711-1) (pin 3)))
+    (net (code 36) (name "Net-(HX711-1-Pad4)")
+      (node (ref J1) (pin P$4))
+      (node (ref HX711-1) (pin 4)))
+    (net (code 37) (name "Net-(HX711-1-Pad5)")
+      (node (ref HX711-1) (pin 5))
+      (node (ref J1) (pin P$5)))
+    (net (code 38) (name "Net-(HX711-1-Pad8)")
+      (node (ref U1) (pin 11))
+      (node (ref HX711-1) (pin 8)))
+    (net (code 39) (name "Net-(HX711-1-Pad11)")
+      (node (ref HX711-1) (pin 11)))
+    (net (code 40) (name "Net-(HX711-1-Pad12)")
+      (node (ref HX711-1) (pin 12)))
+    (net (code 41) (name "Net-(HX711-1-Pad2)")
+      (node (ref HX711-1) (pin 2))
+      (node (ref J1) (pin P$2)))
+    (net (code 42) (name "Net-(HX711-1-Pad1)")
+      (node (ref HX711-1) (pin 1))
+      (node (ref J1) (pin P$1)))
+    (net (code 43) (name "Net-(HX711-2-Pad7)")
+      (node (ref HX711-2) (pin 7))
+      (node (ref U1) (pin 10)))
+    (net (code 44) (name "Net-(U1-Pad18)")
+      (node (ref U1) (pin 18)))))

PCB/beieliscale-kicad/beieliscale-kicad.pro

@@ -0,0 +1,248 @@
+update=Mo 27 Mai 2019 17:30:58 CEST
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+[schematic_editor]
+version=1
+PageLayoutDescrFile=empty.kicad_wks
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=Pcbnew
+SpiceAjustPassiveValues=0
+LabSize=50
+ERC_TestSimilarLabels=1
+[pcbnew]
+version=1
+PageLayoutDescrFile=
+LastNetListRead=beieliscale-kicad.net
+CopperLayerCount=2
+BoardThickness=1.6
+AllowMicroVias=0
+AllowBlindVias=0
+RequireCourtyardDefinitions=0
+ProhibitOverlappingCourtyards=1
+MinTrackWidth=0.2
+MinViaDiameter=0.4
+MinViaDrill=0.3
+MinMicroViaDiameter=0.2
+MinMicroViaDrill=0.09999999999999999
+MinHoleToHole=0.25
+TrackWidth1=0.25
+ViaDiameter1=0.8
+ViaDrill1=0.4
+dPairWidth1=0.2
+dPairGap1=0.25
+dPairViaGap1=0.25
+SilkLineWidth=0.15
+SilkTextSizeV=1
+SilkTextSizeH=1
+SilkTextSizeThickness=0.15
+SilkTextItalic=0
+SilkTextUpright=1
+CopperLineWidth=0.2
+CopperTextSizeV=1.5
+CopperTextSizeH=1.5
+CopperTextThickness=0.3
+CopperTextItalic=0
+CopperTextUpright=1
+EdgeCutLineWidth=0.15
+CourtyardLineWidth=0.05
+OthersLineWidth=0.15
+OthersTextSizeV=1
+OthersTextSizeH=1
+OthersTextSizeThickness=0.15
+OthersTextItalic=0
+OthersTextUpright=1
+SolderMaskClearance=0.051
+SolderMaskMinWidth=0.25
+SolderPasteClearance=0
+SolderPasteRatio=0
+[pcbnew/Layer.F.Cu]
+Name=F.Cu
+Type=0
+Enabled=1
+[pcbnew/Layer.In1.Cu]
+Name=In1.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In2.Cu]
+Name=In2.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In3.Cu]
+Name=In3.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In4.Cu]
+Name=In4.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In5.Cu]
+Name=In5.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In6.Cu]
+Name=In6.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In7.Cu]
+Name=In7.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In8.Cu]
+Name=In8.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In9.Cu]
+Name=In9.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In10.Cu]
+Name=In10.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In11.Cu]
+Name=In11.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In12.Cu]
+Name=In12.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In13.Cu]
+Name=In13.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In14.Cu]
+Name=In14.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In15.Cu]
+Name=In15.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In16.Cu]
+Name=In16.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In17.Cu]
+Name=In17.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In18.Cu]
+Name=In18.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In19.Cu]
+Name=In19.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In20.Cu]
+Name=In20.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In21.Cu]
+Name=In21.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In22.Cu]
+Name=In22.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In23.Cu]
+Name=In23.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In24.Cu]
+Name=In24.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In25.Cu]
+Name=In25.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In26.Cu]
+Name=In26.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In27.Cu]
+Name=In27.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In28.Cu]
+Name=In28.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In29.Cu]
+Name=In29.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.In30.Cu]
+Name=In30.Cu
+Type=0
+Enabled=0
+[pcbnew/Layer.B.Cu]
+Name=B.Cu
+Type=0
+Enabled=1
+[pcbnew/Layer.B.Adhes]
+Enabled=1
+[pcbnew/Layer.F.Adhes]
+Enabled=1
+[pcbnew/Layer.B.Paste]
+Enabled=1
+[pcbnew/Layer.F.Paste]
+Enabled=1
+[pcbnew/Layer.B.SilkS]
+Enabled=1
+[pcbnew/Layer.F.SilkS]
+Enabled=1
+[pcbnew/Layer.B.Mask]
+Enabled=1
+[pcbnew/Layer.F.Mask]
+Enabled=1
+[pcbnew/Layer.Dwgs.User]
+Enabled=1
+[pcbnew/Layer.Cmts.User]
+Enabled=1
+[pcbnew/Layer.Eco1.User]
+Enabled=1
+[pcbnew/Layer.Eco2.User]
+Enabled=1
+[pcbnew/Layer.Edge.Cuts]
+Enabled=1
+[pcbnew/Layer.Margin]
+Enabled=1
+[pcbnew/Layer.B.CrtYd]
+Enabled=1
+[pcbnew/Layer.F.CrtYd]
+Enabled=1
+[pcbnew/Layer.B.Fab]
+Enabled=1
+[pcbnew/Layer.F.Fab]
+Enabled=1
+[pcbnew/Layer.Rescue]
+Enabled=0
+[pcbnew/Netclasses]
+[pcbnew/Netclasses/Default]
+Name=Default
+Clearance=0.2
+TrackWidth=0.25
+ViaDiameter=0.8
+ViaDrill=0.4
+uViaDiameter=0.3
+uViaDrill=0.1
+dPairWidth=0.2
+dPairGap=0.25
+dPairViaGap=0.25

PCB/beieliscale-kicad/beieliscale-kicad.sch

@@ -0,0 +1,406 @@
+EESchema Schematic File Version 4
+LIBS:beieliscale-kicad-cache
+EELAYER 29 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L SEN-13879:SEN-13879 HX711-1
+U 1 1 5C8AE7C5
+P 4550 3350
+F 0 "HX711-1" H 4550 4117 50  0000 C CNN
+F 1 "SEN-13879" H 4550 4026 50  0000 C CNN
+F 2 "SPARKFUN_SEN-13879" H 4550 3350 50  0001 L BNN
+F 3 "Load Cell Amp Hx711" H 4550 3350 50  0001 L BNN
+F 4 "SparkFun" H 4550 3350 50  0001 L BNN "Field4"
+F 5 "Unavailable" H 4550 3350 50  0001 L BNN "Field5"
+F 6 "SEN-13879" H 4550 3350 50  0001 L BNN "Field6"
+F 7 "None" H 4550 3350 50  0001 L BNN "Field7"
+F 8 "None" H 4550 3350 50  0001 L BNN "Field8"
+	1    4550 3350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6700 3550 6700 3150
+Wire Wire Line
+	6700 3150 6850 3150
+Wire Wire Line
+	5050 3550 6700 3550
+Wire Wire Line
+	5050 3450 6750 3450
+Wire Wire Line
+	6750 3450 6750 3250
+Wire Wire Line
+	6750 3250 6850 3250
+NoConn ~ 6850 2950
+NoConn ~ 4050 3650
+NoConn ~ 4050 3750
+Wire Wire Line
+	5050 2950 5600 2950
+Wire Wire Line
+	5600 2950 5600 2850
+$Comp
+L power:PWR_FLAG #FLG0101
+U 1 1 5C8B848F
+P 6000 2850
+F 0 "#FLG0101" H 6000 2925 50  0001 C CNN
+F 1 "PWR_FLAG" H 6000 3024 50  0000 C CNN
+F 2 "" H 6000 2850 50  0001 C CNN
+F 3 "~" H 6000 2850 50  0001 C CNN
+	1    6000 2850
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5050 2850 5550 2850
+Connection ~ 5600 2850
+Wire Wire Line
+	5500 3850 5500 3050
+NoConn ~ 8700 3050
+NoConn ~ 8700 3250
+NoConn ~ 8700 3650
+NoConn ~ 8700 3750
+NoConn ~ 8700 3850
+$Comp
+L power:PWR_FLAG #FLG0102
+U 1 1 5C8C2453
+P 5250 3850
+F 0 "#FLG0102" H 5250 3925 50  0001 C CNN
+F 1 "PWR_FLAG" H 5250 4024 50  0000 C CNN
+F 2 "" H 5250 3850 50  0001 C CNN
+F 3 "~" H 5250 3850 50  0001 C CNN
+	1    5250 3850
+	1    0    0    -1  
+$EndComp
+Connection ~ 5250 3850
+$Comp
+L SEN-13879:SEN-13879 HX711-2
+U 1 1 5C8CD302
+P 4550 5100
+F 0 "HX711-2" H 4550 5867 50  0000 C CNN
+F 1 "SEN-13879" H 4550 5776 50  0000 C CNN
+F 2 "SPARKFUN_SEN-13879" H 4550 5100 50  0001 L BNN
+F 3 "Load Cell Amp Hx711" H 4550 5100 50  0001 L BNN
+F 4 "SparkFun" H 4550 5100 50  0001 L BNN "Field4"
+F 5 "Unavailable" H 4550 5100 50  0001 L BNN "Field5"
+F 6 "SEN-13879" H 4550 5100 50  0001 L BNN "Field6"
+F 7 "None" H 4550 5100 50  0001 L BNN "Field7"
+F 8 "None" H 4550 5100 50  0001 L BNN "Field8"
+	1    4550 5100
+	1    0    0    -1  
+$EndComp
+NoConn ~ 4050 5400
+NoConn ~ 4050 5500
+Wire Wire Line
+	5050 4600 5600 4600
+Wire Wire Line
+	5600 4600 5600 2950
+Connection ~ 5600 2950
+Wire Wire Line
+	5050 4700 5600 4700
+Wire Wire Line
+	5600 4700 5600 4600
+Connection ~ 5600 4600
+Wire Wire Line
+	5050 5600 5250 5600
+Wire Wire Line
+	5250 5600 5250 3850
+Wire Wire Line
+	6650 5300 6650 3350
+Wire Wire Line
+	6650 3350 6850 3350
+Wire Wire Line
+	5050 5300 6650 5300
+$Comp
+L MiscellaneousDevices:ADAFRUIT_FEATHER U1
+U 1 1 5C8BFC62
+P 8950 3300
+F 0 "U1" H 9128 3353 60  0000 L CNN
+F 1 "MCCI 4610" H 9128 3247 60  0000 L CNN
+F 2 "" H 9100 3100 60  0000 C CNN
+F 3 "" H 9100 3100 60  0000 C CNN
+	1    8950 3300
+	1    0    0    -1  
+$EndComp
+NoConn ~ 8700 2850
+$Comp
+L Connector:Conn_01x02_Female BAT1
+U 1 1 5C92F7C2
+P 4350 1900
+F 0 "BAT1" H 4244 1575 50  0000 C CNN
+F 1 "Conn_01x02_Female" H 4244 1666 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical" H 4350 1900 50  0001 C CNN
+F 3 "~" H 4350 1900 50  0001 C CNN
+	1    4350 1900
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	8150 1900 8150 2750
+Wire Wire Line
+	8150 2750 8700 2750
+Wire Wire Line
+	5250 3850 5500 3850
+$Comp
+L T4145015051-001:T4145015051-001 J2
+U 1 1 5CA65D1D
+P 2950 5000
+F 0 "J2" V 2483 5050 50  0000 C CNN
+F 1 "T4145015051-001" V 2574 5050 50  0000 C CNN
+F 2 "T4145015051-001" H 2950 5000 50  0001 L BNN
+F 3 "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P" H 2950 5000 50  0001 L BNN
+F 4 "https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493" H 2950 5000 50  0001 L BNN "Field4"
+F 5 "TE Connectivity" H 2950 5000 50  0001 L BNN "Field5"
+F 6 "Unavailable" H 2950 5000 50  0001 L BNN "Field6"
+F 7 "None" H 2950 5000 50  0001 L BNN "Field7"
+F 8 "T4145015051-001" H 2950 5000 50  0001 L BNN "Field8"
+F 9 "T4145015051-001" H 2950 5000 50  0001 L BNN "Field9"
+F 10 "None" H 2950 5000 50  0001 L BNN "Field10"
+	1    2950 5000
+	0    1    1    0   
+$EndComp
+$Comp
+L T4145015051-001:T4145015051-001 J1
+U 1 1 5CA66C31
+P 2950 3250
+F 0 "J1" V 2483 3300 50  0000 C CNN
+F 1 "T4145015051-001" V 2574 3300 50  0000 C CNN
+F 2 "T4145015051-001" H 2950 3250 50  0001 L BNN
+F 3 "Circular Metric Connectors; M12 R/A F PNLREAR STAMPED PIN A-CODE 5P" H 2950 3250 50  0001 L BNN
+F 4 "https://www.te.com/usa-en/product-T4145015051-001.html?te_bu=Cor&te_type=disp&te_campaign=seda_glo_cor-seda-global-disp-prtnr-fy19-seda-model-bom-cta_sma-317_1&elqCampaignId=32493" H 2950 3250 50  0001 L BNN "Field4"
+F 5 "TE Connectivity" H 2950 3250 50  0001 L BNN "Field5"
+F 6 "Unavailable" H 2950 3250 50  0001 L BNN "Field6"
+F 7 "None" H 2950 3250 50  0001 L BNN "Field7"
+F 8 "T4145015051-001" H 2950 3250 50  0001 L BNN "Field8"
+F 9 "T4145015051-001" H 2950 3250 50  0001 L BNN "Field9"
+F 10 "None" H 2950 3250 50  0001 L BNN "Field10"
+	1    2950 3250
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4050 3050 3350 3050
+Wire Wire Line
+	4050 3150 3450 3150
+Wire Wire Line
+	3450 3150 3450 3450
+Wire Wire Line
+	3450 3450 3350 3450
+Wire Wire Line
+	4050 3250 3650 3250
+Wire Wire Line
+	3650 3250 3650 3650
+Wire Wire Line
+	3650 3650 2650 3650
+Wire Wire Line
+	2650 3650 2650 3450
+Wire Wire Line
+	4050 3350 3750 3350
+Wire Wire Line
+	3750 3350 3750 3800
+Wire Wire Line
+	3750 3800 2450 3800
+Wire Wire Line
+	2450 3800 2450 3050
+Wire Wire Line
+	2450 3050 2650 3050
+Wire Wire Line
+	4050 3450 3850 3450
+Wire Wire Line
+	3850 3450 3850 3900
+Wire Wire Line
+	3850 3900 3250 3900
+Wire Wire Line
+	3250 3900 3250 3250
+Wire Wire Line
+	4050 4800 3350 4800
+Wire Wire Line
+	4050 4900 3500 4900
+Wire Wire Line
+	3500 4900 3500 5200
+Wire Wire Line
+	3500 5200 3350 5200
+Wire Wire Line
+	4050 5000 3600 5000
+Wire Wire Line
+	3600 5000 3600 5400
+Wire Wire Line
+	3600 5400 2500 5400
+Wire Wire Line
+	2500 5400 2500 5200
+Wire Wire Line
+	2500 5200 2650 5200
+Wire Wire Line
+	4050 5100 3700 5100
+Wire Wire Line
+	3700 5100 3700 5550
+Wire Wire Line
+	3700 5550 2400 5550
+Wire Wire Line
+	2400 5550 2400 4800
+Wire Wire Line
+	2400 4800 2650 4800
+Wire Wire Line
+	3750 5200 3750 5600
+Wire Wire Line
+	3750 5600 3250 5600
+Wire Wire Line
+	3250 5600 3250 5000
+Wire Wire Line
+	3750 5200 4050 5200
+Wire Wire Line
+	4550 1800 5150 1800
+Wire Wire Line
+	5050 3850 5150 3850
+Wire Wire Line
+	5150 3850 5250 3850
+Connection ~ 5150 3850
+Wire Wire Line
+	5150 1800 5150 3850
+$Comp
+L Connector:Conn_01x02_Female SWITCH1
+U 1 1 5CAD5AEF
+P 6300 1700
+F 0 "SWITCH1" H 6194 1375 50  0000 C CNN
+F 1 "Conn_01x02_Female" H 6194 1466 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical" H 6300 1700 50  0001 C CNN
+F 3 "~" H 6300 1700 50  0001 C CNN
+	1    6300 1700
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	6400 1900 8150 1900
+Wire Wire Line
+	4550 1900 6300 1900
+NoConn ~ 8700 2950
+$Comp
+L Connector:Conn_01x05_Female J3
+U 1 1 5CBF85B5
+P 6000 3850
+F 0 "J3" H 6150 4050 50  0000 C CNN
+F 1 "Conn_01x05_Female" H 5950 4150 50  0000 C CNN
+F 2 "Connector_JST:JST_PH_B5B-PH-K_1x05_P2.00mm_Vertical" H 6000 3850 50  0001 C CNN
+F 3 "~" H 6000 3850 50  0001 C CNN
+	1    6000 3850
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	6600 4050 6600 2850
+Wire Wire Line
+	6600 2850 6850 2850
+Wire Wire Line
+	6200 4050 6600 4050
+Wire Wire Line
+	6200 3950 6500 3950
+Wire Wire Line
+	6500 3950 6500 3050
+Wire Wire Line
+	5500 3050 6500 3050
+Connection ~ 6500 3050
+Wire Wire Line
+	6500 3050 6850 3050
+Wire Wire Line
+	6200 3650 6400 3650
+Wire Wire Line
+	6400 3650 6400 2750
+Wire Wire Line
+	6400 2750 6850 2750
+Wire Wire Line
+	6200 3850 6400 3850
+Wire Wire Line
+	6400 3850 6400 4450
+Wire Wire Line
+	8500 4450 8500 3550
+Wire Wire Line
+	8500 3550 8700 3550
+Wire Wire Line
+	6200 3750 6550 3750
+Wire Wire Line
+	6550 3750 6550 4350
+Wire Wire Line
+	8400 4350 8400 3450
+Wire Wire Line
+	8400 3450 8700 3450
+Wire Wire Line
+	6550 4350 8400 4350
+Wire Wire Line
+	6400 4450 8500 4450
+NoConn ~ 6850 3550
+$Comp
+L MiscellaneousDevices:ADAFRUIT_FEATHER U1
+U 2 1 5C8C025E
+P 7100 3500
+F 0 "U1" H 7278 3606 60  0000 L CNN
+F 1 "MCCI 4610" H 7278 3500 60  0000 L CNN
+F 2 "Modules:ADAFRUIT_FEATHER" H 7278 3394 60  0000 L CNN
+F 3 "" H 7250 3300 60  0000 C CNN
+	2    7100 3500
+	1    0    0    -1  
+$EndComp
+NoConn ~ 6850 4250
+NoConn ~ 6850 3950
+NoConn ~ 6850 3850
+NoConn ~ 6850 3750
+NoConn ~ 6850 3650
+NoConn ~ 6850 3450
+Wire Wire Line
+	8600 5200 5050 5200
+Wire Wire Line
+	8600 3150 8600 5200
+Wire Wire Line
+	8600 3150 8700 3150
+$Comp
+L Connector:Conn_01x03_Male J4
+U 1 1 5CFBD036
+P 6000 4900
+F 0 "J4" H 6108 5181 50  0000 C CNN
+F 1 "Conn_01x03_Male" H 6108 5090 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 6000 4900 50  0001 C CNN
+F 3 "~" H 6000 4900 50  0001 C CNN
+	1    6000 4900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6200 5600 6200 5000
+Wire Wire Line
+	6200 4800 6750 4800
+Wire Wire Line
+	6750 4800 6750 4050
+Wire Wire Line
+	6750 4050 6850 4050
+Wire Wire Line
+	6200 4900 6800 4900
+Wire Wire Line
+	6800 4900 6800 4150
+Wire Wire Line
+	6800 4150 6850 4150
+NoConn ~ 8700 3350
+Wire Wire Line
+	5250 5600 6200 5600
+Connection ~ 5250 5600
+Wire Wire Line
+	5600 2850 6000 2850
+$Comp
+L Connector_Generic:Conn_01x01 VOUT1
+U 1 1 5CFF362B
+P 5750 2300
+F 0 "VOUT1" H 5830 2342 50  0000 L CNN
+F 1 "Conn_01x01" H 5830 2251 50  0000 L CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 5750 2300 50  0001 C CNN
+F 3 "~" H 5750 2300 50  0001 C CNN
+	1    5750 2300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5550 2300 5550 2850
+Connection ~ 5550 2850
+Wire Wire Line
+	5550 2850 5600 2850
+$EndSCHEMATC

PCB/beieliscale-kicad/empty.kicad_wks

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+(setup (textsize 1.5 1.5)(linewidth 0.15)(textlinewidth 0.15)
+(left_margin 10)(right_margin 10)(top_margin 10)(bottom_margin 10))
+(line (name segm1:Line) (start 0 0) (end 0 0))
+)

PCB/beieliscale-kicad/gerber/beieliscale-kicad-B.Paste.gbr

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+G04 #@! TF.GenerationSoftware,KiCad,Pcbnew,5.0.2-5.fc29*
+G04 #@! TF.CreationDate,2019-03-22T17:39:01+01:00*
+G04 #@! TF.ProjectId,beieliscale-kicad,62656965-6c69-4736-9361-6c652d6b6963,rev?*
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+%FSLAX46Y46*%
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+G04 Created by KiCad (PCBNEW 5.0.2-5.fc29) date Fr 22 Mär 2019 17:39:01 CET*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+G04 APERTURE END LIST*
+M02*

PCB/beieliscale-kicad/gerber/beieliscale-kicad-B.SilkS.gbr

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+G04 #@! TF.GenerationSoftware,KiCad,Pcbnew,5.0.2-5.fc29*
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+%FSLAX46Y46*%
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+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+G04 APERTURE END LIST*
+M02*

PCB/beieliscale-kicad/gerber/beieliscale-kicad-Edge.Cuts.gbr

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+%FSLAX46Y46*%
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+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+%ADD10C,0.150000*%
+G04 #@! TA.AperFunction,NonConductor*
+%ADD11C,0.100000*%
+G04 #@! TD*
+G04 #@! TA.AperFunction,NonConductor*
+%ADD12C,0.000100*%
+G04 #@! TD*
+G04 APERTURE END LIST*
+D10*
+X74930000Y-49900000D02*
+X74930000Y-99900000D01*
+X194000000Y-49900000D02*
+X74930000Y-49900000D01*
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+G04 #@! TO.C,J2*
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+X78240000Y-80380000D01*
+X76040000Y-79380000D02*
+X76040000Y-80380000D01*
+G04 #@! TO.C,J3*
+X80090000Y-62685000D02*
+X77390000Y-62685000D01*
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+G75*
+G02X77390000Y-61685000I0J500000D01*
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+G75*
+G02X80090000Y-71185000I0J-500000D01*
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+D12*
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+X6.05Y-2.4081
+X6.05Y-2.7081
+X6.05Y-3.5081
+T7
+X7.3561Y-2.29
+X7.3561Y-2.7624
+X7.5923Y-2.29
+X7.5923Y-2.7624
+T8
+X3.0646Y-3.3969
+X7.5183Y-3.3969
+T9
+X3.45Y-2.6016
+X3.45Y-3.3016
+X5.25Y-2.6016
+X5.25Y-3.3016
+T10
+X4.238Y-2.2293
+T0
+M30

PCB/beieliscale-kicad/sym-lib-table

@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name beieliscale-kicad-eagle-import)(type Legacy)(uri ${KIPRJMOD}/beieliscale-kicad-eagle-import.lib)(options "")(descr ""))
+)

Python/serial_monitor_USB0.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+from time import sleep
+import serial
+import sys
+import datetime
+
+while (True):
+    serial_not_open = True
+    while serial_not_open:
+        try:
+            ser = serial.Serial('/dev/ttyUSB0', 115200, timeout=1) 
+        except: 
+            sleep(0.5)
+        else:
+            serial_not_open = False
+
+    no_exception = True
+    while no_exception:
+        try:
+            while True:
+                while ser.inWaiting():
+                    print(ser.read().decode('utf-8'), end='')
+                sleep(0.1) 
+        except: 
+            print(datetime.datetime.now().strftime("%d.%m.%Y %H:%M:%S")," - Serial Device disappeared...")
+            ser.close()
+            no_exception = False

Python/serial_monitor_USB1.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+from time import sleep
+import serial
+import sys
+import datetime
+
+while (True):
+    serial_not_open = True
+    while serial_not_open:
+        try:
+            ser = serial.Serial('/dev/ttyUSB1', 115200, timeout=1) 
+        except: 
+            sleep(0.5)
+        else:
+            serial_not_open = False
+
+    no_exception = True
+    while no_exception:
+        try:
+            while True:
+                while ser.inWaiting():
+                    print(ser.read().decode('utf-8'), end='')
+                sleep(0.1) 
+        except: 
+            print(datetime.datetime.now().strftime("%d.%m.%Y %H:%M:%S")," - Serial Device disappeared...")
+            ser.close()
+            no_exception = False