bring repo up-to-date
This commit is contained in:
@@ -0,0 +1,656 @@
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/*
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beescale_lora_mcci.ino
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BeieliScale, see https://mini-beieli.ch
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Joerg Lehmann, nbit Informatik GmbH
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*/
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#include <Catena.h>
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#include <Catena_Led.h>
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#include <Catena_CommandStream.h>
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#include <Catena_Mx25v8035f.h>
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#include <Wire.h>
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#include <Adafruit_BME280.h>
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#include <Arduino_LoRaWAN.h>
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#include <lmic.h>
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#include <hal/hal.h>
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#include <mcciadk_baselib.h>
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#include <cmath>
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#include <type_traits>
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#include <HX711.h>
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using namespace McciCatena;
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/****************************************************************************\
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|
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| MANIFEST CONSTANTS & TYPEDEFS
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\****************************************************************************/
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/* how long do we wait between transmissions? (in seconds) */
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enum {
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// set this to interval between transmissions, in seconds
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// Actual time will be a little longer because have to
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// add measurement and broadcast time, but we attempt
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// to compensate for the gross effects below.
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CATCFG_T_CYCLE = 6 * 60, // every 6 minutes
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CATCFG_T_CYCLE_TEST = 30, // every 10 seconds
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};
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/* additional timing parameters; ususually you don't change these. */
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enum {
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CATCFG_T_WARMUP = 1,
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CATCFG_T_SETTLE = 5,
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CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
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};
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constexpr uint32_t CATCFG_GetInterval(uint32_t tCycle)
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{
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return (tCycle < CATCFG_T_OVERHEAD)
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? CATCFG_T_OVERHEAD
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: tCycle - CATCFG_T_OVERHEAD;
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}
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enum {
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CATCFG_T_INTERVAL = CATCFG_GetInterval(CATCFG_T_CYCLE),
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};
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enum {
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PIN_ONE_WIRE = A2, // XSDA1 == A2
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PIN_SHT10_CLK = 8, // XSCL0 == D8
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PIN_SHT10_DATA = 12, // XSDA0 == D12
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};
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// forwards
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static void settleDoneCb(osjob_t* pSendJob);
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static void warmupDoneCb(osjob_t* pSendJob);
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static void txFailedDoneCb(osjob_t* pSendJob);
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static void sleepDoneCb(osjob_t* pSendJob);
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static Arduino_LoRaWAN::SendBufferCbFn sendBufferDoneCb;
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/****************************************************************************\
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|
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| READ-ONLY DATA
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|
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\****************************************************************************/
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static const char sVersion[] = "0.1";
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static const byte MAX_VALUES_TO_SEND = 6;
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static const uint8_t LORA_DATA_VERSION = 1;
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static const uint32_t PRESSURE_OFFSET = 80000;
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/****************************************************************************\
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| VARIABLES
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|
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\****************************************************************************/
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typedef struct {
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long cal_w1_0;
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long cal_w2_0;
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float cal_w1_factor;
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float cal_w2_factor;
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} FRAM_data;
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typedef struct {
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uint8_t version; // Versionierung des Paketformats
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uint8_t vbat; // Batteriespannung (1 Einheit => 20 mV)
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uint8_t humidity; // Luftfeuchtigkeit in Prozent
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int16_t pressure; // Luftdruck in Pascal (0 entspricht 80000 Pa)
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uint8_t reading_offset[MAX_VALUES_TO_SEND]; // Zeit der weiteren Messung in Sekunden seit Start
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int16_t weight[MAX_VALUES_TO_SEND]; // Gewicht in 10-Gramm, Addition beider Waegzellen
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uint8_t temperature[MAX_VALUES_TO_SEND]; // Temperatur in 1/2 Grad Celsius (0 => -40 C, 255 => 87.5 C)
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} LORA_data;
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byte my_position = 0; // what is our actual measurement, starts with 0
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long timer_pos0;
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// Global Variables
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LORA_data lora_data;
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FRAM_data fram_data;
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// generic timer
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long t_cur;
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// the primary object
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Catena gCatena;
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//
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// the LoRaWAN backhaul. Note that we use the
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// Catena version so it can provide hardware-specific
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// information to the base class.
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//
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Catena::LoRaWAN gLoRaWAN;
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//
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// the LED
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//
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StatusLed gLed(Catena::PIN_STATUS_LED);
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// The temperature/humidity sensor
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Adafruit_BME280 gBME280; // The default initalizer creates an I2C connection
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bool fBme;
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SPIClass gSPI2(
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Catena::PIN_SPI2_MOSI,
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Catena::PIN_SPI2_MISO,
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Catena::PIN_SPI2_SCK);
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// The flash
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Catena_Mx25v8035f gFlash;
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bool fFlash;
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// Scales
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HX711 LoadCell_1;
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HX711 LoadCell_2;
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// USB power
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bool fUsbPower;
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// have we printed the sleep info?
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bool g_fPrintedSleeping = false;
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// the job that's used to synchronize us with the LMIC code
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static osjob_t sensorJob;
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void sensorJob_cb(osjob_t* pJob);
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void setup(void)
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{
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// aktuell noch als Konstanten...
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fram_data.cal_w1_0 = -10000;
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fram_data.cal_w2_0 = -10000;
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fram_data.cal_w1_factor = 1;
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fram_data.cal_w2_factor = 1;
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gCatena.begin();
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ClearLoraData();
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setup_platform();
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setup_bme280();
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setup_scales();
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setup_flash();
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setup_uplink();
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}
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void setup_platform(void)
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{
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#ifdef USBCON
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// if running unattended, don't wait for USB connect.
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if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fUnattended))) {
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while (!Serial)
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/* wait for USB attach */
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yield();
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}
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#endif
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gCatena.SafePrintf("\n");
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gCatena.SafePrintf("-------------------------------------------------------------------------------\n");
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gCatena.SafePrintf("BeieliScale Version %s.\n", sVersion);
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{
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char sRegion[16];
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gCatena.SafePrintf("Target network: %s / %s\n",
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gLoRaWAN.GetNetworkName(),
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gLoRaWAN.GetRegionString(sRegion, sizeof(sRegion)));
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}
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gCatena.SafePrintf("Enter 'help' for a list of commands.\n");
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#ifdef CATENA_CFG_SYSCLK
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gCatena.SafePrintf("SYSCLK: %d MHz\n", CATENA_CFG_SYSCLK);
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#endif
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#ifdef USBCON
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gCatena.SafePrintf("USB enabled\n");
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#else
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gCatena.SafePrintf("USB disabled\n");
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#endif
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Catena::UniqueID_string_t CpuIDstring;
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gCatena.SafePrintf(
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"CPU Unique ID: %s\n",
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gCatena.GetUniqueIDstring(&CpuIDstring));
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gCatena.SafePrintf("--------------------------------------------------------------------------------\n");
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gCatena.SafePrintf("\n");
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// set up the LED
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gLed.begin();
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gCatena.registerObject(&gLed);
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gLed.Set(LedPattern::FastFlash);
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// set up LoRaWAN
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gCatena.SafePrintf("LoRaWAN init: ");
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if (!gLoRaWAN.begin(&gCatena)) {
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gCatena.SafePrintf("failed\n");
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}
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else {
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gCatena.SafePrintf("succeeded\n");
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}
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gCatena.registerObject(&gLoRaWAN);
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/* find the platform */
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const Catena::EUI64_buffer_t* pSysEUI = gCatena.GetSysEUI();
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uint32_t flags;
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const CATENA_PLATFORM* const pPlatform = gCatena.GetPlatform();
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if (pPlatform) {
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gCatena.SafePrintf("EUI64: ");
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for (unsigned i = 0; i < sizeof(pSysEUI->b); ++i) {
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gCatena.SafePrintf("%s%02x", i == 0 ? "" : "-", pSysEUI->b[i]);
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}
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gCatena.SafePrintf("\n");
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flags = gCatena.GetPlatformFlags();
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gCatena.SafePrintf(
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"Platform Flags: %#010x\n",
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flags);
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gCatena.SafePrintf(
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"Operating Flags: %#010x\n",
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gCatena.GetOperatingFlags());
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}
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else {
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gCatena.SafePrintf("**** no platform, check provisioning ****\n");
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flags = 0;
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}
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}
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void setup_bme280(void)
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{
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if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
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fBme = true;
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}
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else {
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fBme = false;
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gCatena.SafePrintf("No BME280 found: check wiring\n");
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}
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}
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void setup_scales(void)
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{
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gCatena.SafePrintf("Setup Scales...\n");
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// Initialize library with data output pin, clock input pin and gain factor.
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// Channel selection is made by passing the appropriate gain:
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// - With a gain factor of 64 or 128, channel A is selected
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// - With a gain factor of 32, channel B is selected
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// By omitting the gain factor parameter, the library
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// default "128" (Channel A) is used here.
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gCatena.SafePrintf("Setup Scale 1...\n");
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LoadCell_1.begin(A3, A2);
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gCatena.SafePrintf("Setup Scale 2...\n");
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LoadCell_2.begin(A1, A0);
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gCatena.SafePrintf("Setup Scales is complete\n");
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}
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void setup_flash(void)
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{
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if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
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fFlash = true;
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gFlash.powerDown();
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gCatena.SafePrintf("FLASH found, put power down\n");
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}
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else {
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fFlash = false;
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gFlash.end();
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gSPI2.end();
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gCatena.SafePrintf("No FLASH found: check hardware\n");
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}
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}
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void setup_uplink(void)
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{
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/* trigger a join by sending the first packet */
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if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
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if (!gLoRaWAN.IsProvisioned())
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gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
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else {
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gLed.Set(LedPattern::Joining);
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/* warm up the BME280 by discarding a measurement */
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if (fBme)
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(void)gBME280.readTemperature();
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/* trigger a join by sending the first packet */
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ReadSensors(true);
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}
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}
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}
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// The Arduino loop routine -- in our case, we just drive the other loops.
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// If we try to do too much, we can break the LMIC radio. So the work is
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// done by outcalls scheduled from the LMIC os loop.
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void loop()
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{
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gCatena.poll();
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}
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bool ShouldDataBeSent(void)
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{
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bool res = (my_position > MAX_VALUES_TO_SEND) ||
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((millis() - timer_pos0) > 3600000);
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return res;
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}
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void ClearLoraData(void)
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{
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lora_data.version = LORA_DATA_VERSION;
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lora_data.vbat = 0;
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lora_data.humidity = 0;
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lora_data.pressure = 0;
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for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
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lora_data.reading_offset[i] = 0;
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lora_data.weight[i] = 0;
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lora_data.temperature[i] = 0;
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}
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my_position = 0;
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}
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void ShowLORAData(void)
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{
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char str[10];
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gCatena.SafePrintf("{\n");
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gCatena.SafePrintf(" \"version\": \"%u\",\n",lora_data.version);
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gCatena.SafePrintf(" \"vbat\": \"%u\",\n",lora_data.vbat);
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gCatena.SafePrintf(" \"humidity\": \"%d\",\n",lora_data.humidity);
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||||
gCatena.SafePrintf(" \"pressure\": \"%d\",\n",lora_data.pressure);
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gCatena.SafePrintf(" \"reading_offset\": [");
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for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
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gCatena.SafePrintf("%u",lora_data.reading_offset[i]);
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||||
if (i < (MAX_VALUES_TO_SEND - 1)) {
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gCatena.SafePrintf(",");
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||||
}
|
||||
}
|
||||
gCatena.SafePrintf("],\n");
|
||||
gCatena.SafePrintf(" \"weight\": [");
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||||
for (int i = 0; i < MAX_VALUES_TO_SEND; i++) {
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||||
gCatena.SafePrintf("%d",lora_data.weight[i]);
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if (i < (MAX_VALUES_TO_SEND - 1)) {
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||||
gCatena.SafePrintf(",");
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||||
}
|
||||
}
|
||||
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);
|
||||
}
|
||||
Reference in New Issue
Block a user