remove timestamps in debug messages, debug nau7802 i2c connection

revised version 20200522
new version 20200522
2020-05-23 18:13:08 +02:00 · 2020-05-22 14:52:09 +02:00 · 2020-05-22 11:14:51 +02:00 · 2020-05-18 16:06:31 +02:00 · 2020-05-15 10:10:29 +02:00 · 2020-05-13 19:30:13 +02:00
6 changed files with 531 additions and 178 deletions
@@ -20,16 +20,16 @@ Das sind die verwendeten Libraries [1]:
 | --- | -----  | ----------- |
 | https://github.com/mcci-catena/Adafruit_BME280_Library.git  | 3dafbe1 | Wed, 13 Dec 2017 13:56:30 -0500  |
 | https://github.com/mcci-catena/Adafruit_Sensor.git  | f2af6f4 | Tue, 1 Sep 2015 15:57:59 +0200  |
-| https://github.com/mcci-catena/arduino-lmic.git  | f67121c | Mon, 10 Feb 2020 10:57:04 -0500  |
-| https://github.com/mcci-catena/arduino-lorawan.git  | a0577e1 | Mon, 10 Feb 2020 13:21:30 -0500  |
-| https://github.com/mcci-catena/Catena-Arduino-Platform.git  | 85c010c | Tue, 11 Feb 2020 19:58:25 -0500  |
+| https://github.com/mcci-catena/arduino-lmic.git  | 6fe04ec | Tue, 12 May 2020 09:16:47 -0400  |
+| https://github.com/mcci-catena/arduino-lorawan.git  | 4bc0d48 | Sat, 9 May 2020 12:38:28 -0400  |
+| https://github.com/mcci-catena/Catena-Arduino-Platform.git  | 92019ca | Tue, 12 May 2020 01:34:08 -0400  |
 | https://github.com/mcci-catena/Catena-mcciadk.git  | a428006 | Sat, 21 Dec 2019 20:45:26 -0500  |
 | https://github.com/mcci-catena/MCCI_FRAM_I2C.git  | f0a5ea5 | Sat, 21 Dec 2019 16:17:01 -0500  |
 | https://github.com/tatobari/Q2-HX711-Arduino-Library.git  | ccda8d8 | Wed, 13 Mar 2019 12:41:44 -0300  |
+| https://github.com/sparkfun/SparkFun_Qwiic_Scale_NAU7802_Arduino_Library.git  | 688f255 | Fri, 3 Jan 2020 12:35:22 -0700  |
 | https://github.com/mcci-catena/OneWire.git  | d814a7b | Thu, 26 Apr 2018 03:45:27 +0800  |
 | https://github.com/mcci-catena/SHT1x.git  | be7042c | Tue, 20 Sep 2011 13:56:23 +1000  |


-
 `[1]:
-[joerg@cinnamon libraries]$ for i in Adafruit_BME280_Library Adafruit_Sensor arduino-lmic arduino-lorawan Catena-Arduino-Platform Catena-mcciadk MCCI_FRAM_I2C Q2-HX711-Arduino-Library OneWire SHT1x ; do cd $i; echo "| $(git remote -v |grep fetch |awk '{print $2}' |tr '\n' ' ') | $(git log --pretty=format:'%h | %cD ' -n 1) |" ; cd ..; done`
+[joerg@cinnamon libraries]$ for i in Adafruit_BME280_Library Adafruit_Sensor arduino-lmic arduino-lorawan Catena-Arduino-Platform Catena-mcciadk MCCI_FRAM_I2C Q2-HX711-Arduino-Library SparkFun_Qwiic_Scale_NAU7802_Arduino_Library OneWire SHT1x ; do cd $i; echo "| $(git remote -v |grep fetch |awk '{print $2}' |tr '\n' ' ') | $(git log --pretty=format:'%h | %cD ' -n 1) |" ; cd ..; done`
@@ -0,0 +1,78 @@
+#ifndef _HELPER_H_
+#define _HELPER_H
+
+#pragma once
+
+#ifndef _CATENA_H_
+#include <Catena.h>
+#endif
+
+using namespace McciCatena;
+
+// the primary object
+Catena gCatena;
+
+
+//Following functions are based on "https://github.com/dndubins/QuickStats", by David Dubins
+
+void bubbleSort(long A[], int len) {
+  unsigned long newn;
+  unsigned long n = len;
+  long temp = 0;
+  do {
+    newn = 1;
+    for (int p = 1; p < len; p++) {
+      if (A[p - 1] > A[p]) {
+        temp = A[p];         //swap places in array
+        A[p] = A[p - 1];
+        A[p - 1] = temp;
+        newn = p;
+      } //end if
+    } //end for
+    n = newn;
+  } while (n > 1);
+}
+
+long median(long samples[], int m) //calculate the median
+{
+  //First bubble sort the values: https://en.wikipedia.org/wiki/Bubble_sort
+  long sorted[m];   // Define and initialize sorted array.
+  long temp = 0;    // Temporary float for swapping elements
+
+  for (int i = 0; i < m; i++) {
+    sorted[i] = samples[i];
+  }
+  bubbleSort(sorted, m); // Sort the values
+
+  if (bitRead(m, 0) == 1) { //If the last bit of a number is 1, it's odd. This is equivalent to "TRUE". Also use if m%2!=0.
+    return sorted[m / 2]; //If the number of data points is odd, return middle number.
+  } else {
+    return (sorted[(m / 2) - 1] + sorted[m / 2]) / 2; //If the number of data points is even, return avg of the middle two numbers.
+  }
+}
+
+// Joergs STDDEV
+float stddev(long samples[], int m) //calculate the stdandard deviation
+{
+  float sum_x;
+  float sum_x2;
+  float mean;
+
+  float stdev;
+  sum_x = 0;
+  sum_x2 = 0;
+
+  for (int i = 0; i < m; i++) {
+    sum_x = sum_x + samples[i];
+  }
+  mean = sum_x / m;
+
+  for (int i = 0; i < m; i++) {
+    sum_x2 = sum_x2 + ((samples[i] - mean) * (samples[i] - mean));
+  }
+
+  stdev = sqrt(sum_x2 / m);
+
+  return stdev;
+}
+#endif
@@ -8,6 +8,9 @@

 */

+// HX711: 0 => compile for hx711, 1 => compile for NAU7802
+#define HX711 0
+
 #include <Catena.h>

 #include <Catena_Led.h>
@@ -25,9 +28,18 @@
 #include <cmath>
 #include <type_traits>

-#include <Q2HX711.h>
 #include "mini_beieli_node.h"

+#if (HX711)
+#include "mini_beieli_node_hx711.h"
+#else
+#include "mini_beieli_node_nau7802.h"
+#endif
+
+#ifndef _HELPER_H_
+#include "helper.h"
+#endif
+
 using namespace McciCatena;

 // forwards
@@ -104,10 +116,6 @@ uint32_t gRebootMs;
 // 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.
@@ -131,9 +139,6 @@ SPIClass gSPI2(
 Catena_Mx25v8035f gFlash;
 bool fFlash;

-// Scales
-Q2HX711 hx711(A1, A0);
-
 //  USB power
 bool fUsbPower;

@@ -153,13 +158,10 @@ void setup(void)
 {
  gCatena.begin();

-  // Use D10 to regulate power
-  pinMode(D10, OUTPUT);
-
  setup_platform();
+  SetupScales(config_data.debug_level);
  ClearLoraData();
  setup_bme280();
-  //setup_scales();

  setup_flash();
  setup_uplink();
@@ -168,7 +170,7 @@ void setup(void)
 void setup_platform(void)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_platform\n", millis());
+    gCatena.SafePrintf("Setup_platform\n");
  }

  /* add our application-specific commands */
@@ -179,12 +181,12 @@ void setup_platform(void)

  // read config_data from fram...
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - Reading Calibration Config from FRAM...\n", millis());
+    gCatena.SafePrintf("Reading Calibration Config from FRAM...\n");
  }
  gCatena.getFram()->getField(cFramStorage::kAppConf, (uint8_t *)&config_data, sizeof(config_data));

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_platform, this is the configuration\n", millis());
+    gCatena.SafePrintf("Setup_platform, this is the configuration\n");
    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)abs(config_data.cal_w1_factor * 1000) % 1000);
@@ -251,6 +253,7 @@ void setup_platform(void)
  }

  gLoRaWAN.SetReceiveBufferBufferCb(receiveMessage);
+  setTxCycleTime(CATCFG_T_CYCLE_INITIAL, CATCFG_INTERVAL_COUNT_INITIAL);
  gCatena.registerObject(&gLoRaWAN);

  /* find the platform */
@@ -283,7 +286,7 @@ void setup_platform(void)
 void setup_bme280(void)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_bme280\n", millis());
+    gCatena.SafePrintf("Setup_bme280\n");
  }

  if (gBME280.begin(BME280_ADDRESS, Adafruit_BME280::OPERATING_MODE::Sleep)) {
@@ -298,20 +301,17 @@ void setup_bme280(void)
 bool setup_scales(void)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_scales\n", millis());
+    gCatena.SafePrintf("Setup_scales\n");
  }

  bool res;
  res = true;

  // Enable Power
-  digitalWrite(D10, HIGH);
-
-  // we wait 400ms (settling time according HX711 datasheet @ 10 SPS
-  delay(400);
+  PowerupScale();

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_scale done\n", millis());
+    gCatena.SafePrintf("Setup_scale done\n");
  }

  return res;
@@ -320,14 +320,14 @@ bool setup_scales(void)
 void setup_flash(void)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_flash\n", millis());
+    gCatena.SafePrintf("setup_flash\n");
  }

  if (gFlash.begin(&gSPI2, Catena::PIN_SPI2_FLASH_SS)) {
    fFlash = true;
    gFlash.powerDown();
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - FLASH found, but power down\n", millis());
+      gCatena.SafePrintf("FLASH found, but power down\n");
    }
  }
  else {
@@ -335,7 +335,7 @@ void setup_flash(void)
    gFlash.end();
    gSPI2.end();
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - No FLASH found: check hardware\n", millis());
+      gCatena.SafePrintf("FLASH found: check hardware\n");
    }
  }
 }
@@ -343,7 +343,7 @@ void setup_flash(void)
 void setup_uplink(void)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - setup_uplink\n", millis());
+    gCatena.SafePrintf("setup_uplink\n");
  }

  LMIC_setClockError(1 * 65536 / 100);
@@ -354,14 +354,14 @@ void setup_uplink(void)

  // Do an unjoin, so every reboot will trigger a join
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - do an unjoin...\n", millis());
+    gCatena.SafePrintf("do an unjoin...\n");
  }
  LMIC_unjoin();

  /* trigger a join by sending the first packet */
  if (!(gCatena.GetOperatingFlags() & static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fManufacturingTest))) {
    if (!gLoRaWAN.IsProvisioned())
-      gCatena.SafePrintf("%010d - LoRaWAN not provisioned yet. Use the commands to set it up.\n");
+      gCatena.SafePrintf("LoRaWAN not provisioned yet. Use the commands to set it up.\n");
    else {
      if (config_data.debug_level > 1) {
        gLed.Set(LedPattern::Joining);
@@ -422,7 +422,7 @@ void ClearLoraData(void)

 void ShowLORAData(bool firstTime)
 {
-  gCatena.SafePrintf("%010d - ShowLORAData\n", millis());
+  gCatena.SafePrintf("ShowLORAData\n");

  if (firstTime) {

@@ -503,7 +503,7 @@ uint8_t GetVBatValue(int millivolts)
 void DoDeepSleep(uint32_t sleep_time)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - now going to deep sleep\n", millis());
+    gCatena.SafePrintf("DoDeepSleep, now going to deep sleep\n");
  }

  // Prepare Deep Sleep
@@ -511,88 +511,17 @@ void DoDeepSleep(uint32_t sleep_time)
    gLed.Set(LedPattern::Off);
  }

-  Serial.end();
-  Wire.end();
-  SPI.end();
-  if (fFlash)
-    gSPI2.end();
+  deepSleepPrepare();

  // Now sleeping...
  gCatena.Sleep(sleep_time);

  // Recover from wakeup...
-  Serial.begin();
-  Wire.begin();
-  SPI.begin();
-  if (fFlash)
-    gSPI2.begin();
-  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - done with deep sleep\n", millis());
-  }
-}
-
-//Following functions are based on "https://github.com/dndubins/QuickStats", by David Dubins
-
-long median(long samples[], int m) //calculate the median
-{
-  //First bubble sort the values: https://en.wikipedia.org/wiki/Bubble_sort
-  long sorted[m];   // Define and initialize sorted array.
-  long temp = 0;    // Temporary float for swapping elements
-
-  for (int i = 0; i < m; i++) {
-    sorted[i] = samples[i];
-  }
-  bubbleSort(sorted, m); // Sort the values
-
-  if (bitRead(m, 0) == 1) { //If the last bit of a number is 1, it's odd. This is equivalent to "TRUE". Also use if m%2!=0.
-    return sorted[m / 2]; //If the number of data points is odd, return middle number.
-  } else {
-    return (sorted[(m / 2) - 1] + sorted[m / 2]) / 2; //If the number of data points is even, return avg of the middle two numbers.
-  }
-}
-
-void bubbleSort(long A[], int len) {
-  unsigned long newn;
-  unsigned long n = len;
-  long temp = 0;
-  do {
-    newn = 1;
-    for (int p = 1; p < len; p++) {
-      if (A[p - 1] > A[p]) {
-        temp = A[p];         //swap places in array
-        A[p] = A[p - 1];
-        A[p - 1] = temp;
-        newn = p;
-      } //end if
-    } //end for
-    n = newn;
-  } while (n > 1);
-}
-
-long my_read_average(byte gain, byte times) {
-  long res;
-  int const num_scale_readings = 25; // number of instantaneous scale readings to calculate the median
-
-  // we use the median, not the average, see https://community.particle.io/t/boron-gpio-provides-less-current-than-electrons-gpio/46647/13
-  long readings[num_scale_readings];  // create arry to hold readings
+  deepSleepRecovery();

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - my_read_average, measurements: ", millis());
+    gCatena.SafePrintf("done with deep sleep\n");
  }
-
-  hx711.setGain(gain);
-
-  for (int i = 0; i < num_scale_readings; i++) {
-    readings[i] = hx711.read();  // fill the array with instantaneous readings from the scale
-  }
-
-  res = median(readings, num_scale_readings); // calculate median
-
-  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("; median of %d samples: %d\n", num_scale_readings, res);
-  }
-
-  return res;
 }

 void ReadSensors(SENSOR_data &sensor_data) {
@@ -602,11 +531,10 @@ void ReadSensors(SENSOR_data &sensor_data) {
  long w2_0_real;

  // vBat
-  gCatena.poll();
  int vbat_mv = (int)(gCatena.ReadVbat() * 1000.0f);
  res.vbat = GetVBatValue(vbat_mv);
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - vBat:    %d mV\n", millis(), vbat_mv);
+    gCatena.SafePrintf("vBat:    %d mV\n", vbat_mv);
  }

  // Read Scales
@@ -614,44 +542,41 @@ void ReadSensors(SENSOR_data &sensor_data) {
  w2_0_real = config_data.cal_w2_0;
  if (setup_scales()) {
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - HX711 LoadCell is ready.\n", millis());
+      gCatena.SafePrintf("LoadCell is ready.\n");
    }
-    gCatena.poll();
    if (config_data.cal_w1_0 != NOT_ATTACHED) {
-      res.weight1 = (int32_t)my_read_average(32, 7);
+      res.weight1 = (int32_t)ReadScale('A');
      if (config_data.debug_level > 0) {
-        gCatena.SafePrintf("%010d - Load_cell 1 weight1_current: %ld\n", millis(), res.weight1);
+        gCatena.SafePrintf("Load_cell 1 weight1_current: %ld\n", res.weight1);
      }
    } else {
      res.weight1 = 0;
      w1_0_real = 0;
      if (config_data.debug_level > 0) {
-        gCatena.SafePrintf("%010d - Load_cell 1 is disabled\n", millis());
+        gCatena.SafePrintf("Load_cell 1 is disabled\n");
      }
    }
-    gCatena.poll();
    if (config_data.cal_w2_0 != NOT_ATTACHED) {
-      res.weight2 = (int32_t)my_read_average(128, 7);
+      res.weight2 = (int32_t)ReadScale('B');
      if (config_data.debug_level > 0) {
-        gCatena.SafePrintf("%010d - Load_cell 2 weight2_current: %ld\n", millis(), res.weight2);
+        gCatena.SafePrintf("Load_cell 2 weight2_current: %ld\n", res.weight2);
      }
    } else {
      res.weight2 = 0;
      w2_0_real = 0;
      if (config_data.debug_level > 0) {
-        gCatena.SafePrintf("%010d - Load_cell 2 is disabled\n", millis());
+        gCatena.SafePrintf("Load_cell 2 is disabled\n");
      }
    }
  }
  else {
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - HX711 LoadCell not ready.\n", millis());
+      gCatena.SafePrintf("LoadCell not ready.\n");
    }
  }

  // Disable Power
-  gCatena.poll();
-  digitalWrite(D10, LOW);
+  PowerdownScale();

  // Gewicht berechnen
  weight_current32 = (int32_t)((((res.weight1 - w1_0_real) / config_data.cal_w1_factor) + ((res.weight2 - w2_0_real) / config_data.cal_w2_factor)) / 5.0);
@@ -670,19 +595,16 @@ void ReadSensors(SENSOR_data &sensor_data) {
  res.weight = (uint16_t)weight_current32;

  if (fBme) {
-    gCatena.poll();
    /* warm up the BME280 by discarding a measurement */
    (void)gBME280.readTemperature();

-    gCatena.poll();
    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.
    if (config_data.debug_level > 0) {
      gCatena.SafePrintf(
-        "%010d - BME280:  T: %d P: %d RH: %d\n",
-        millis(),
+        "BME280:  T: %d P: %d RH: %d\n",
        (int)m.Temperature,
        (int)m.Pressure,
        (int)m.Humidity);
@@ -691,7 +613,7 @@ void ReadSensors(SENSOR_data &sensor_data) {
    res.humidity = (uint8_t)m.Humidity;
    res.pressure = (uint8_t)((m.Pressure / 100) - PRESSURE_OFFSET);
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - pressure_current: %d\n", millis(), res.pressure);
+      gCatena.SafePrintf("pressure_current: %d\n", res.pressure);
    }
  }

@@ -712,7 +634,7 @@ void StartNewIteration() {
  // vBus
  float vBus = gCatena.ReadVbus();
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - vBus:    %d mV\n", millis(), (int)(vBus * 1000.0f));
+    gCatena.SafePrintf("vBus:    %d mV\n", (int)(vBus * 1000.0f));
  }
  fUsbPower = (vBus > 4.3) ? true : false;

@@ -758,11 +680,11 @@ void StartNewIteration() {
  if ( (next_package_is_init_package) || (my_position >= MAX_VALUES_TO_SEND) || ((last_sensor_reading.weight - current_sensor_reading.weight) > SEND_DIFF_THRESHOLD_5GRAMS) || ((millis() - timer_pos0) > 3600000)) {
    lora_data.offset_last_reading = (uint8_t)((millis() - timer_pos0) / 1000 / 60);
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - startSendingUplink(), my_position: %d, iteration: %d, package_counter: %d\n", millis(), my_position, iteration, package_counter);
+      gCatena.SafePrintf("startSendingUplink(), my_position: %d, iteration: %d, package_counter: %d\n", my_position, iteration, package_counter);
    }
-    // the first 12 packets are "Init-Packets" or each INIT_PACKAGE_INTERVAL ...
+    // the first <INIT_PACKETS> packets are "Init-Packets" or each INIT_PACKAGE_INTERVAL ...
    startSendingUplink(next_package_is_init_package);
-    next_package_is_init_package = ((iteration < 12) || ((package_counter % INIT_PACKAGE_INTERVAL) == 0));
+    next_package_is_init_package = ((iteration < INIT_PACKETS) || ((package_counter % INIT_PACKAGE_INTERVAL) == 0));

    if (config_data.debug_level > 1) {
      gLed.Set(LedPattern::TwoShort);
@@ -771,7 +693,7 @@ void StartNewIteration() {
    // Loop while sending is in progress, timeout just in case after 300 seconds
    long start_time = millis();
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - waiting while send is in progress\n", millis());
+      gCatena.SafePrintf("waiting while send is in progress\n");
    }
    while (send_in_progress && ((millis() - start_time) < 300000))
    {
@@ -780,7 +702,7 @@ void StartNewIteration() {
    }
    wait_time = (uint32_t)((millis() - start_time) / 1000);
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - end waiting, wait time was %d seconds\n", millis(), wait_time);
+      gCatena.SafePrintf("end waiting, wait time was %d seconds\n", wait_time);
    }
  }

@@ -797,17 +719,17 @@ void StartNewIteration() {
    sleep_time_sec = 5;
  }

-  // for the first 12 iterations, we set the sleep time to 10 seconds only...
-  if (iteration <= 12) {
+  // for the first <INIT_PACKETS> iterations, we set the sleep time to 10 seconds only...
+  if (iteration <= INIT_PACKETS) {
    sleep_time_sec = 10;
  }

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - now going to sleep for %d seconds...\n", millis(), sleep_time_sec);
+    gCatena.SafePrintf("now going to sleep for %d seconds...\n", sleep_time_sec);
    if (fUsbPower) {
-      gCatena.SafePrintf("%010d - USB Power is on\n", millis());
+      gCatena.SafePrintf("USB Power is on\n");
    } else {
-      gCatena.SafePrintf("%010d - USB Power is off\n", millis());
+      gCatena.SafePrintf("USB Power is off\n");
    }
    //Serial.flush();
    if (config_data.debug_level > 1) {
@@ -817,14 +739,18 @@ void StartNewIteration() {

  if (!fUsbPower) {
    DoDeepSleep(sleep_time_sec);
-    os_setTimedCallback(
-      &iterationJob,
-      os_getTime() + sec2osticks(2),
-      startNewIterationCb);
+    if (! stop_iterations) {
+      StartNewIteration();
+    }
+
+    //os_setTimedCallback(
+    //  &iterationJob,
+    //  os_getTime() + sec2osticks(2),
+    //  startNewIterationCb);
  }
  else {
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - light sleep; os_setTimedCallback for startNewIterationCb in %d...seconds\n", millis(), sleep_time_sec);
+      gCatena.SafePrintf("light sleep; os_setTimedCallback for startNewIterationCb in %d...seconds\n", sleep_time_sec);
    }
    os_setTimedCallback(
      &iterationJob,
@@ -859,13 +785,13 @@ void startSendingUplink(bool firstTime)

  if (firstTime) {
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - SendBuffer firstTime\n", millis());
+      gCatena.SafePrintf("SendBuffer firstTime\n");
    }
    gLoRaWAN.SendBuffer((uint8_t*)&lora_data_first, sizeof(LORA_data_first), sendBufferDoneCb, NULL, fConfirmed, kUplinkPort);
    package_counter++;
  } else {
    if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - SendBuffer not firstTime\n", millis());
+      gCatena.SafePrintf("SendBuffer not firstTime\n");
    }
    gLoRaWAN.SendBuffer((uint8_t*)&lora_data, sizeof(LORA_data), sendBufferDoneCb, NULL, fConfirmed, kUplinkPort);
    package_counter++;
@@ -896,7 +822,7 @@ static void sendBufferDoneCb(
      gLoRaWAN.Shutdown();
    }
    else if (config_data.debug_level > 0) {
-      gCatena.SafePrintf("%010d - send buffer failed\n", millis());
+      gCatena.SafePrintf("send buffer failed\n");
    }
  }

@@ -927,7 +853,7 @@ static void settleDoneCb(
  const bool fDeepSleep = checkDeepSleep();

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - settleDoneCb\n", millis());
+    gCatena.SafePrintf("settleDoneCb\n");
  }

  if (config_data.debug_level > 2) {
@@ -1012,7 +938,7 @@ void doSleepAlert(const bool fDeepSleep)

    }
    // sleep and print
-    if (config_data.debug_level > 2) {
+    if (config_data.debug_level > 1) {
      gLed.Set(LedPattern::TwoShort);
    }

@@ -1076,6 +1002,10 @@ void doDeepSleep(osjob_t *pJob)
                                   fDeepSleepTest ? CATCFG_T_CYCLE_TEST : gTxCycle
                                 );

+  if (config_data.debug_level > 0) {
+    gCatena.SafePrintf("doDeepSleep, sleepInterval: %d...\n", sleepInterval);
+  }
+
  /* ok... now it's time for a deep sleep */
  gLed.Set(LedPattern::Off);
  deepSleepPrepare();
@@ -1112,7 +1042,11 @@ void doLightSleep(osjob_t *pJob)
 {
  uint32_t interval = sec2osticks(CATCFG_GetInterval(gTxCycle));

-  gLed.Set(LedPattern::Sleeping);
+
+  if (config_data.debug_level > 1) {
+    gLed.Set(LedPattern::Sleeping);
+    gCatena.SafePrintf("doLightSleep\n");
+  }

  if (gCatena.GetOperatingFlags() &
      static_cast<uint32_t>(gCatena.OPERATING_FLAGS::fQuickLightSleep))
@@ -1120,12 +1054,12 @@ void doLightSleep(osjob_t *pJob)
    interval = 1;
  }

-  gLed.Set(LedPattern::Sleeping);
  os_setTimedCallback(
    &iterationJob,
    os_getTime() + interval,
    sleepDoneCb
  );
+
 }

 static void sleepDoneCb(osjob_t* pJob)
@@ -1135,7 +1069,7 @@ static void sleepDoneCb(osjob_t* pJob)
  }

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - sleepDoneCb\n", millis());
+    gCatena.SafePrintf("sleepDoneCb\n");
  }

  os_setTimedCallback(
@@ -1147,7 +1081,7 @@ static void sleepDoneCb(osjob_t* pJob)
 static void warmupDoneCb(osjob_t* pJob)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - warmupDoneCb\n", millis());
+    gCatena.SafePrintf("warmupDoneCb\n");
  }
  send_in_progress = false;
 }
@@ -1155,7 +1089,7 @@ static void warmupDoneCb(osjob_t* pJob)
 static void startNewIterationCb(osjob_t* pJob)
 {
  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - startNewIterationCb\n", millis());
+    gCatena.SafePrintf("startNewIterationCb\n");
  }

  if (! stop_iterations) {
@@ -1165,6 +1099,9 @@ static void startNewIterationCb(osjob_t* pJob)

 static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage, size_t nMessage)
 {
+  unsigned txCycle;
+  unsigned txCount;
+
  long cal_w1_0;
  long cal_w2_0;
  float cal_w1_factor;
@@ -1178,7 +1115,7 @@ static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage
  SENSOR_data temp_sensor_data;

  if (config_data.debug_level > 0) {
-    gCatena.SafePrintf("%010d - receiveMessage was called!!!\n", millis());
+    gCatena.SafePrintf("receiveMessage was called!!!\n");
  }

  if (config_data.debug_level > 2) {
@@ -1280,12 +1217,64 @@ static void receiveMessage(void *pContext, uint8_t port, const uint8_t *pMessage
      lora_data_first.cal_w2_factor = config_data.cal_w2_factor;
    }
  }
+
+  if (port == 0)
+  {
+    return;
+  }
+
+  else if (! (port == 1 && 2 <= nMessage && nMessage <= 3))
+  {
+    if (config_data.debug_level > 0) {
+      gCatena.SafePrintf("invalid message port(%02x)/length(%x)\n",
+                         port, nMessage
+                        );
+    }
+    return;
+  }
+
+  txCycle = (pMessage[0] << 8) | pMessage[1];
+
+  if (txCycle < CATCFG_T_MIN || txCycle > CATCFG_T_MAX)
+  {
+    if (config_data.debug_level > 0) {
+      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];
+  }
+
+  setTxCycleTime(txCycle, txCount);
+
 }

+void setTxCycleTime(unsigned txCycle, unsigned txCount)
+{
+  if (txCount > 0) {
+    if (config_data.debug_level > 0) {
+      gCatena.SafePrintf("message cycle time %u seconds for %u messages\n", txCycle, txCount);
+    }
+  }
+  else if (config_data.debug_level > 0) {
+    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)
+cCommandStream::CommandStatus cmdHello(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  pThis->printf("Hello, world!\n");

@@ -1293,7 +1282,7 @@ cCommandStream::CommandStatus cmdHello(cCommandStream *pThis, void *pContext, in
 }


-cCommandStream::CommandStatus cmdGetCalibrationSettings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+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);
@@ -1305,7 +1294,7 @@ cCommandStream::CommandStatus cmdGetCalibrationSettings(cCommandStream *pThis, v
  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  SENSOR_data temp_sensor_data;

@@ -1323,41 +1312,41 @@ cCommandStream::CommandStatus cmdGetSensorReadings(cCommandStream *pThis, void *
  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdGetScale1(cCommandStream *pThis, void *pContext, int argc, char **argv)
+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)
+cCommandStream::CommandStatus cmdGetScale2(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  pThis->printf("getscale2\n");

  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdCalibrateZeroScaleA(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdCalibrateZeroScaleA(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  setup_scales();
-  config_data.cal_w1_0 = (int32_t)my_read_average(32, 10);
+  config_data.cal_w1_0 = (int32_t)ReadScale('A');
  gCatena.getFram()->saveField(cFramStorage::kAppConf, (const uint8_t *)&config_data, sizeof(config_data));
  pThis->printf("{ \"msg\": \"calibrate_zero_scale_a was successful\" }\n");

  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdCalibrateZeroScaleB(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdCalibrateZeroScaleB(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  setup_scales();
-  config_data.cal_w2_0 = (int32_t)my_read_average(128, 10);
+  config_data.cal_w2_0 = (int32_t)ReadScale('B');
  gCatena.getFram()->saveField(cFramStorage::kAppConf, (const uint8_t *)&config_data, sizeof(config_data));
  pThis->printf("{ \"msg\": \"calibrate_zero_scale_b was successful\" }\n");

  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdCalibrateScaleA(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdCalibrateScaleA(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  String w1_gramm(argv[1]);
  long weight1;
@@ -1368,7 +1357,7 @@ cCommandStream::CommandStatus cmdCalibrateScaleA(cCommandStream *pThis, void *pC
    config_data.cal_w1_0 = NOT_ATTACHED;
  } else {
    setup_scales();
-    weight1 = my_read_average(32, 10);
+    weight1 = ReadScale('A');
    config_data.cal_w1_factor = (float)((weight1 - config_data.cal_w1_0) / w1_gramm.toFloat());
  }

@@ -1379,7 +1368,7 @@ cCommandStream::CommandStatus cmdCalibrateScaleA(cCommandStream *pThis, void *pC
  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdCalibrateScaleB(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdCalibrateScaleB(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  String w2_gramm(argv[1]);
  long weight2;
@@ -1390,7 +1379,7 @@ cCommandStream::CommandStatus cmdCalibrateScaleB(cCommandStream *pThis, void *pC
    config_data.cal_w2_0 = NOT_ATTACHED;
  } else {
    setup_scales();
-    weight2 = my_read_average(128, 10);
+    weight2 = ReadScale('B');
    config_data.cal_w2_factor = (float)((weight2 - config_data.cal_w2_0) / w2_gramm.toFloat());
  }

@@ -1401,18 +1390,20 @@ cCommandStream::CommandStatus cmdCalibrateScaleB(cCommandStream *pThis, void *pC
  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdSetDebugLevel(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdSetDebugLevel(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  String s_debug_level(argv[1]);
  config_data.debug_level = s_debug_level.toInt();
  gCatena.getFram()->saveField(cFramStorage::kAppConf, (const uint8_t *)&config_data, sizeof(config_data));

+  SetScalesDebugLevel(config_data.debug_level);
+
  pThis->printf("{ \"msg\": \"set_debug_level was successful\" }\n");

  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdGetDebugLevel(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdGetDebugLevel(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  gCatena.getFram()->saveField(cFramStorage::kAppConf, (const uint8_t *)&config_data, sizeof(config_data));

@@ -1421,7 +1412,7 @@ cCommandStream::CommandStatus cmdGetDebugLevel(cCommandStream *pThis, void *pCon
  return cCommandStream::CommandStatus::kSuccess;
 }

-cCommandStream::CommandStatus cmdStopIterations(cCommandStream *pThis, void *pContext, int argc, char **argv)
+cCommandStream::CommandStatus cmdStopIterations(cCommandStream * pThis, void *pContext, int argc, char **argv)
 {
  stop_iterations = true;
  return cCommandStream::CommandStatus::kSuccess;
@@ -14,11 +14,11 @@ enum {
  // 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 = 30, // for Testing
-  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
+  CATCFG_T_CYCLE = 6 * 60,                // every 6 minutes
+  //CATCFG_T_CYCLE = 30,                  // for Testing (Swisscom Compliance)
+  CATCFG_T_CYCLE_TEST = 30,               // every 30 seconds
+  CATCFG_T_CYCLE_INITIAL = 30,            // every 30 seconds initially
+  CATCFG_INTERVAL_COUNT_INITIAL = 10,     // repeat for 5 minutes
  CATCFG_T_REBOOT = 30 * 24 * 60 * 60,    // reboot every 30 days
 };

@@ -26,7 +26,7 @@ enum {
 enum {
  CATCFG_T_WARMUP = 1,
  CATCFG_T_SETTLE = 5,
-  CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE),
+  CATCFG_T_OVERHEAD = (CATCFG_T_WARMUP + CATCFG_T_SETTLE + 4),
  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,
@@ -56,7 +56,7 @@ enum {
  |
  \****************************************************************************/

-static const int32_t fwVersion = 20200229;
+static const int32_t fwVersion = 20200523;

 static const byte INIT_PACKAGE_INTERVAL = 100;  // send an init package every 100 packages;
 static const byte MAX_VALUES_TO_SEND = 8;
@@ -66,6 +66,7 @@ static const uint8_t LORA_DATA_VERSION_FIRST_PACKAGE = 128;
 static const uint32_t PRESSURE_OFFSET = 825;
 static const uint16_t SEND_DIFF_THRESHOLD_5GRAMS = 10;   // when weight value drops by 50g, then send data
 static const long NOT_ATTACHED = -2147483648;
+static const byte INIT_PACKETS = 5;

 // must be 64 bytes long (size of kAppConf)
 typedef struct {
@@ -0,0 +1,94 @@
+#define SAMPLES 10
+
+#include <Q2HX711.h>
+
+#ifndef _HELPER_H_
+#include "helper.h"
+#endif
+
+// Scales
+Q2HX711 hx711(A1, A0);
+
+byte debug_level;
+
+void SetScalesDebugLevel(byte dbg_level)
+{
+  debug_level = dbg_level;
+}
+
+bool SetupScales(byte dbg_level)
+{
+  debug_level = dbg_level;
+  if (debug_level > 0) {
+    gCatena.SafePrintf("setup_scales\n");
+  }
+
+  bool res;
+  res = true;
+
+  // Use D10 to regulate power
+  pinMode(D10, OUTPUT);
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("setup_scale done\n");
+  }
+
+  return res;
+}
+
+long ReadScale(char channel)
+{
+  if (channel == 'B') {
+    hx711.setGain(128);
+  } else {
+    hx711.setGain(32);
+  }
+  delay(500);
+
+  long res;
+  int const num_scale_readings = 25; // number of instantaneous scale readings to calculate the median
+
+  // we use the median, not the average, see https://community.particle.io/t/boron-gpio-provides-less-current-than-electrons-gpio/46647/13
+  long readings[num_scale_readings];  // create arry to hold readings
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("my_read_average, measurements:\n");
+  }
+
+  for (int i = 0; i < num_scale_readings; i++) {
+    readings[i] = hx711.read();  // fill the array with instantaneous readings from the scale
+    if (debug_level > 1) {
+      gCatena.SafePrintf("Reading %d: %d\n", i, readings[i]);
+    }
+  }
+
+  res = median(readings, num_scale_readings); // calculate median
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("Median of %d samples: %d\n", num_scale_readings, res);
+    float sdev;
+    sdev = stddev(readings, num_scale_readings);
+    gCatena.SafePrintf("Standard Deviation: %d.%03d\n", (int)sdev, (int)abs(sdev * 1000) % 1000);
+  }
+
+  return res;
+}
+
+void PowerdownScale()
+{
+  // Disable Power
+  digitalWrite(D10, LOW);
+}
+
+void PowerupScale()
+{
+  // Enable Power
+  digitalWrite(D10, HIGH);
+
+  // we wait 400ms (settling time according HX711 datasheet @ 10 SPS
+  delay(400);
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("setup_scale done\n");
+  }
+}
@@ -0,0 +1,189 @@
+#pragma once
+
+#include <Wire.h>
+
+#ifndef _HELPER_H_
+#include "helper.h"
+#endif
+
+#include "SparkFun_Qwiic_Scale_NAU7802_Arduino_Library.h"
+
+#define SAMPLES 10
+#define IGNORE_READINGS 5
+
+NAU7802 myScale; //Create instance of the NAU7802 class
+
+byte debug_level;
+
+byte interruptPin = A0;
+
+void SetScalesDebugLevel(byte dbg_level)
+{
+  debug_level = dbg_level;
+}
+
+bool InitializeScales()
+{
+  bool result;
+  result &= myScale.reset(); //Reset all registers
+  result &= myScale.powerUp(); //Power on analog and digital sections of the scale
+
+  // we wait 100 ms to give it time to stabilze
+  delay(100);
+
+  result &= myScale.setIntPolarityHigh();
+  result &= myScale.setLDO(NAU7802_LDO_3V3); //Set LDO to 3.3V
+  result &= myScale.setGain(NAU7802_GAIN_128); //Set gain to 128
+  result &= myScale.setSampleRate(NAU7802_SPS_80); //Set samples per second to 10
+  result &= myScale.setRegister(NAU7802_ADC, 0x30); //Turn off CLK_CHP. From 9.1 power on sequencing.
+  result &= myScale.clearBit(NAU7802_PGA_PWR_PGA_CAP_EN, NAU7802_PGA_PWR);
+  result &= myScale.setRegister(NAU7802_OTP_B1, 0x30);
+  result &= myScale.setRegister(NAU7802_PGA, NAU7802_PGA_OUT_EN | NAU7802_PGA_CHP_DIS);
+
+  result &= myScale.calibrateAFE(); //Re-cal analog front end when we change gain, sample rate, or channel
+
+  return result;
+}
+
+bool SetupScales(byte dbg_level)
+{
+  debug_level = dbg_level;
+  if (debug_level > 0) {
+    gCatena.SafePrintf("SetupScales start\n");
+  }
+  pinMode(interruptPin, INPUT);
+
+  if (!myScale.begin(Wire, false))
+  {
+    gCatena.SafePrintf("Scale not detected. Please check wiring. Freezing...\n");
+    return false;
+  }
+  gCatena.SafePrintf("Scale detected!\n");
+
+  bool result = InitializeScales();
+  if (debug_level > 0) {
+    gCatena.SafePrintf("SetupScales done, result: %d\n", result);
+  }
+
+  return result;
+}
+
+long ReadScale(char channel)
+{
+  long res;
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("ReadScale Start, Channel %c\n",  channel);
+  }
+
+  uint8_t channelNumber;
+  if (channel == 'B') {
+    channelNumber = NAU7802_CHANNEL_1;
+  } else {
+    channelNumber = NAU7802_CHANNEL_2;
+  }
+  long startTime = millis();
+  myScale.setChannel(channelNumber);
+  bool calibrate_success = myScale.calibrateAFE();
+  if (! calibrate_success) {
+    if (debug_level > 0) {
+      gCatena.SafePrintf("Error: Calibration not successful!\n");
+    }
+  }
+
+  int32_t dummy;
+  int const ignore_readings = IGNORE_READINGS; // number of first <n> readings to ignore
+  int const num_scale_readings = SAMPLES; // number of instantaneous scale readings to calculate the median
+
+  for (int i = 0; i < ignore_readings; i++) {
+    //while (digitalRead(interruptPin) == LOW) {
+    while (! myScale.available()) {
+      if ((millis() - startTime) > 60000) {
+        if (debug_level > 0) {
+          gCatena.SafePrintf("Timeout while reading scale (dummy values)...\n");
+        }
+        break;
+      }
+      delay(1);
+    }
+    dummy = myScale.getReading();
+    if (debug_level > 0) {
+      gCatena.SafePrintf("Dummy Reading int32_t: %d\n", dummy);
+    }
+  }
+
+  // we use the median, not the average, see https://community.particle.io/t/boron-gpio-provides-less-current-than-electrons-gpio/46647/13
+  long readings[num_scale_readings];  // create arry to hold readings
+  for (int i = 0; i < num_scale_readings; i++) {
+    //while (digitalRead(interruptPin) == LOW) {
+    while (! myScale.available()) {
+      // we set a timeout of 60 seconds for the measurement...
+      if ((millis() - startTime) > 60000) {
+        if (debug_level > 0) {
+          gCatena.SafePrintf("Timeout while reading scale...\n");
+        }
+        break;
+      }
+      delay(1);
+    }
+    int32_t reading = myScale.getReading();
+    if (debug_level > 0) {
+      gCatena.SafePrintf("Reading int32_t: %d\n", reading);
+    }
+    readings[i] = long(reading);  // fill the array with instantaneous readings from the scale
+  }
+
+  long duration = millis() - startTime;
+  res = median(readings, num_scale_readings); // calculate median
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("Median of %d samples: %d\n", num_scale_readings, res);
+    float sdev;
+    sdev = stddev(readings, num_scale_readings);
+    float sdev_proc;
+    sdev_proc = 100 * (sdev / float(res));
+    gCatena.SafePrintf("Measurements: [");
+    for (int i = 0; i < num_scale_readings; i++) {
+      gCatena.SafePrintf("%d", readings[i]);
+      if (i < (SAMPLES - 1)) {
+        gCatena.SafePrintf(",");
+      }
+
+    }
+    gCatena.SafePrintf("]\n");
+
+    gCatena.SafePrintf("Standard Deviation: %d.%03d\n", (int)sdev, (int)abs(sdev * 1000) % 1000);
+    gCatena.SafePrintf("Standard Deviation / Median (Percent): %d.%03d\n", (int)sdev_proc, (int)abs(sdev_proc * 1000) % 1000);
+    gCatena.SafePrintf("Duration (ms): %d\n", duration);
+  }
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("ReadScale Done\n");
+  }
+
+  return res;
+}
+
+void PowerdownScale()
+{
+  if (debug_level > 0) {
+    gCatena.SafePrintf("PowerdownScale Start\n");
+  }
+  myScale.powerDown();
+  if (debug_level > 0) {
+    gCatena.SafePrintf("PowerdownScale Done\n");
+  }
+}
+
+void PowerupScale()
+{
+  if (debug_level > 0) {
+    gCatena.SafePrintf("PowerupScale Start\n");
+  }
+
+  InitializeScales();
+
+  if (debug_level > 0) {
+    gCatena.SafePrintf("PowerupScale Done\n");
+  }
+}
Author	SHA1	Message	Date
jlehmann	1ce266ab22	remove timestamps in debug messages, debug nau7802 i2c connection	2020-05-23 18:13:08 +02:00
jlehmann	775eafc74f	revised version `20200522`	2020-05-22 14:52:09 +02:00
jlehmann	760ae035fd	new version `20200522`	2020-05-22 11:14:51 +02:00
jlehmann	bf8c9f8441	optimize power	2020-05-18 16:06:31 +02:00
jlehmann	14490795af	power optimizations	2020-05-15 10:10:29 +02:00
jlehmann	9c8b63fda8	new ADC: NAU7802, new library versions	2020-05-13 19:30:13 +02:00