Mise à jour de la bibliothèque MeasureUnit

lib/MeasureUnit/MeasureUnit.cpp

@@ -56,6 +56,100 @@ MeasureUnit::~MeasureUnit()
 
 void MeasureUnit::run()
 {
+  switch(_state)
+  {
+    case MEASURING:
+      _adc.startSample(_channel);
+      
+      if(_channel == 0) //Calcule du courant
+      {
+        if(_adc.isSampleReady())
+        {
+          _tension = _adc.getSampleVoltage();
+          _courant =  _tension / (double) _precResistor;
+          #ifdef DEBUG
+          Serial.print("Tension prec : ");Serial.println(_tension);
+          #endif
+           _channel++;
+        }
+      }
+      else //Calcule des niveaux de tensions
+      {
+        if(_adc.isSampleReady())
+        {
+          _resistanceMap[_channel-1] = _adc.getSampleVoltage();
+          #ifdef DEBUG
+          Serial.print("Tension thermistances : ");Serial.println(_resistanceMap[_channel-1]);
+          #endif
+          _channel++;
+        }
+      }
+      
+      //Fin de la partie d'acquisition
+      if(_channel == _thermistorCount)
+      {
+        _state = COMPUTING;
+        _resistanceMap[_channel-1] = _adc.getAdcSetting().getVref();
+      }
+      break;
+    case COMPUTING :
+      //Ici nous calculons les temperatures
+      for(int i(_thermistorCount-1); i > 0; i--)
+      {
+        //Calcule de delta :
+        _resistanceMap[i] -= _resistanceMap[i-1];
+        #ifdef DEBUG
+        Serial.printf("Debug voltage delta : %u -> ",i);Serial.println(_resistanceMap[i]);
+        #endif
+      }
+
+      //Ne pas oublier de déduire la chute de tension de la resistance de precision pour la première thermistance
+      _resistanceMap[0] -= _tension;
+      #ifdef DEBUG
+      Serial.printf("Debug voltage delta : 0 -> ");Serial.println(_resistanceMap[0]);
+      #endif
+      
+      for(int i(0); i < _thermistorCount; i++)
+      {
+        //3) Nous en déduisons la résistance
+        //Serial.print("Resistance ");Serial.print(i);Serial.print(" ");Serial.println(_resistanceMap[i]);
+        _resistanceMap[i] /= _courant;
+        //4) Nous en déduisons la temperature
+        _temperatures[i] = computeTemperature(_thermistorSetting.getBeta(), _resistanceMap[i], _thermistorSetting.getRat25());
+
+        //On effectue un étalonnage
+        if(_triggerLevelOff)
+        {
+          double averageTemp(0);
+          //We reset the offset
+          for(int i(0); i < _thermistorCount; i++)
+          {
+            _rOffsetMap[i] = 0;
+          }
+          
+          for(int i(0); i < _thermistorCount; i++)
+          {
+            averageTemp += _temperatures[i];
+          }
+        
+          averageTemp /= (double)_thermistorCount;
+        
+          for(int i(0); i < _thermistorCount; i++)
+          {
+            _rOffsetMap[i] = averageTemp - _temperatures[i];
+          }
+          _triggerLevelOff = false;
+        }
+        
+        _temperatures[i] += _rOffsetMap[i] + _globalOffset;
+        #ifdef DEBUG_TEMP
+        Serial.print("Temperature ");Serial.print(i);Serial.print(" : ");Serial.println(_temperatures[i]);
+        #endif
+      }
+       _state = MEASUREMENT_READY;
+      break;
+  }
+  
   if(_offsetCounter < _offsetComputeIte && isMeasurementReady())
   {
     //We reset the offset array
@@ -238,105 +332,17 @@ double *MeasureUnit::getROffsetMap()
   return _rOffsetMap;
 }
 
-void MeasureUnit::startTemperatureMeasurement()
+boolean MeasureUnit::startTemperatureMeasurement()
 {
-  switch(_state)
+
+  if(_state == IDLING)
   {
-    case IDLING:
+    _state = MEASURING;
-      _state = MEASURING;
+    _channel = 0;
-      _channel = 0;
+    return true;
-      break;
-    case MEASURING:
-      _adc.startSample(_channel);
-      
-      if(_channel == 0) //Calcule du courant
-      {
-        if(_adc.isSampleReady())
-        {
-          _tension = _adc.getSampleVoltage();
-          _courant =  _tension / (double) _precResistor;
-          #ifdef DEBUG
-          Serial.print("Tension prec : ");Serial.println(_tension);
-          #endif
-           _channel++;
-        }
-      }
-      else //Calcule des niveaux de tensions
-      {
-        if(_adc.isSampleReady())
-        {
-          _resistanceMap[_channel-1] = _adc.getSampleVoltage();
-          #ifdef DEBUG
-          Serial.print("Tension thermistances : ");Serial.println(_resistanceMap[_channel-1]);
-          #endif
-          _channel++;
-        }
-      }
-      
-      //Fin de la partie d'acquisition
-      if(_channel == _thermistorCount)
-      {
-        _state = COMPUTING;
-        _resistanceMap[_channel-1] = _adc.getAdcSetting().getVref();
-      }
-      break;
-    case COMPUTING :
-      //Ici nous calculons les temperatures
-      for(int i(_thermistorCount-1); i > 0; i--)
-      {
-        //Calcule de delta :
-        _resistanceMap[i] -= _resistanceMap[i-1];
-        #ifdef DEBUG
-        Serial.printf("Debug voltage delta : %u -> ",i);Serial.println(_resistanceMap[i]);
-        #endif
-      }
-
-      //Ne pas oublier de déduire la chute de tension de la resistance de precision pour la première thermistance
-      _resistanceMap[0] -= _tension;
-      #ifdef DEBUG
-      Serial.printf("Debug voltage delta : 0 -> ");Serial.println(_resistanceMap[0]);
-      #endif
-      
-      for(int i(0); i < _thermistorCount; i++)
-      {
-        //3) Nous en déduisons la résistance
-        //Serial.print("Resistance ");Serial.print(i);Serial.print(" ");Serial.println(_resistanceMap[i]);
-        _resistanceMap[i] /= _courant;
-        //4) Nous en déduisons la temperature
-        _temperatures[i] = computeTemperature(_thermistorSetting.getBeta(), _resistanceMap[i], _thermistorSetting.getRat25());
-
-        //On effectue un étalonnage
-        if(_triggerLevelOff)
-        {
-          double averageTemp(0);
-          //We reset the offset
-          for(int i(0); i < _thermistorCount; i++)
-          {
-            _rOffsetMap[i] = 0;
-          }
-          
-          for(int i(0); i < _thermistorCount; i++)
-          {
-            averageTemp += _temperatures[i];
-          }
-        
-          averageTemp /= (double)_thermistorCount;
-        
-          for(int i(0); i < _thermistorCount; i++)
-          {
-            _rOffsetMap[i] = averageTemp - _temperatures[i];
-          }
-          _triggerLevelOff = false;
-        }
-        
-        _temperatures[i] += _rOffsetMap[i] + _globalOffset;
-        #ifdef DEBUG_TEMP
-        Serial.print("Temperature ");Serial.print(i);Serial.print(" : ");Serial.println(_temperatures[i]);
-        #endif
-      }
-       _state = MEASUREMENT_READY;
-      break;
   }
+
+  return false;
 }
 
 void MeasureUnit::levelAsyncTemperaturesOff()

lib/MeasureUnit/MeasureUnit.h

@@ -23,7 +23,7 @@ class MeasureUnit
 
     //Async methods
     enum STATE {IDLING, MEASURING, COMPUTING, MEASUREMENT_READY};
-    void startTemperatureMeasurement();
+    boolean startTemperatureMeasurement();
     boolean isMeasurementReady();
     double *getAsyncTemperatures();
     void levelAsyncTemperaturesOff();

lib/MeasureUnit/MeasureUnit.ino

@@ -6,6 +6,7 @@
  * 17/12/2019
  */
 #include <Wire.h>
+#include <WiFi.h>
 #include <RTClib.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
@@ -20,11 +21,46 @@
 uint8_t analogInput[] = {0,1,2,3,4,5,6,7};
 double *tempArray = NULL;
 
+/*
+ * Liste des offsets trouvés
+ * |  -0.49  |  0.36  |  -0.29  |  0.38  |  0.44  |  -0.35  |  -0.21  |  0.14  |
+ * |  -0.72  |  0.07  |  -0.52  |  -0.01  |  2.38  |  -0.65  |  -0.44  |  -0.11  |
+ * |  -0.99  |  -0.06  |  -0.74  |  2.24  |  0.73  |  -0.86  |  -0.68  |  0.35  |
+
+ */
+
+void downlinkHandler(u1_t length, u1_t dataBeg, u1_t *data)
+{
+  Serial.println("Downlink received : ");
+  for(uint8_t i(0); i < length; i++)
+  {
+    Serial.print(data[dataBeg + i],HEX);
+  }
+  Serial.println();
+
+  //Action en fonction de l'octet de commande
+  switch(data[0])
+  {
+    case 0x01://Mise à jour de l'heure
+      //Octets suivants:
+      //2 jour 3 mois 4 année 5 heures 6 minutes
+      if(length == 6)
+      {
+        Serial.printf("dd: %u, m: %u, yyyy: %d, hh: %u, mm: %u\n", data[2], data[3], data[4]+2000, data[5], data[6]);
+      }
+      else
+        Serial.println("Action réglage RTC : paramètres insuffisants");
+      break;
+    default:
+      Serial.println("Action inconnnue");
+  }
+}
+
 //Objet de calcule de la temperature
 //ThermistorSetting thermistorSetting(3380, 10000);
 ThermistorSetting thermistorSetting(3650, 470);
 //AdcSetting adcSetting(3300.0, 12, 310, 3);
-AdcSetting adcSetting(3285, 15, 6, 10);
+AdcSetting adcSetting(3320, 15, 6, 10);
 Ads1115 adc;
 MeasureUnit measureUnit(analogInput, 8, 990, thermistorSetting, adc);
 //MeasureUnit measureUnit(analogInput, 8, 99, thermistorSetting, adc);
@@ -46,10 +82,6 @@ unsigned long _time(0);
 void os_getArtEui (u1_t* buf) { }
 void os_getDevEui (u1_t* buf) { }
 void os_getDevKey (u1_t* buf) { }
-void onEvent(ev_t ev)
-{
-  
-}
 
 static u1_t NWKSKEY[16] = { 0x1F, 0x9E, 0xE2, 0x7A, 0xC8, 0xBA, 0xE8, 0xEA, 0xF5, 0xC2, 0x5E, 0x47, 0x5D, 0xE0, 0x77, 0x55 };
 static u1_t APPSKEY[16] = { 0x3B, 0x89, 0x86, 0x96, 0xBB, 0xAA, 0x38, 0x1E, 0x1F, 0xC4, 0xAD, 0x03, 0xEF, 0x3F, 0x56, 0x12 };
@@ -63,12 +95,20 @@ void setup() {
   Serial.begin(115200);
   delay(1000);
   Serial.println("Start setup");
+  WiFi.mode(WIFI_OFF);
   pinMode(PUSH_BUTTON, INPUT);
-  //Radio init
+  //Partie concernant l'initialisation de la radio
   #ifdef RADIO_ENABLED
   radio.init();
   radio.setTTNSession(0x1, DEVADDR, NWKSKEY, APPSKEY);
   radio.setRadioEUChannels();
+  /*
+   * La directive setMCUClockError() permet de laisser une fenêtre plus grande pour le slot de
+   * réception (Downlink). En effet ce slot doit durer 2 secondes et il peut durer moins en raison
+   * d'imprécisions d'horloge.
+   */
+  radio.setMCUClockError();
+  radio.setDownlinkHandler(&(downlinkHandler));
   #endif
   //Adc init
   adc.setAdcSetting(adcSetting);
@@ -103,8 +143,7 @@ void loop() {
 
   //On peut tester si la conversion est terminée avec :
   //if(measureUnit.isMeasurementReady())
-
+  
-  measureUnit.run();
   //measureUnit.getAsyncTemperatures() renvoie NULL si la recupération de la température n'est pas terminée
   tempArray = measureUnit.getAsyncTemperatures();
   
@@ -162,4 +201,5 @@ void loop() {
   #ifdef RADIO_ENABLED
   radio.run();
   #endif
+  measureUnit.run();
 }