updated bme sensors management to allows Sensor's calibration

Author: Rocketct

examples/Sensors/VOC/AirQuality/AirQuality.ino

@@ -28,7 +28,4 @@ void loop() {
 
   Serial.print("Air Quality Index = ");
   Serial.println(airQualityIndex);
-
-  // wait 1 second to print again
-  delay(1000);
 }

examples/Sensors/VOC/CO2_Read/CO2_Read.ino

@@ -20,7 +20,4 @@ void loop() {
   // print each of the sensor values
   Serial.print("CO2 Value = ");
   Serial.println(co2);
-
-  // wait 1 second to print again
-  delay(1000);
 }

examples/Sensors/VOC/VolatileOrganicCompounds/VolatileOrganicCompounds.ino

@@ -25,7 +25,4 @@ void loop() {
   Serial.print("Volatile Organic Compounds (VOC) = ");
   Serial.print(volatileOrganicCompounds);
   Serial.println(" ppm");
-
-  // wait 1 second to print again
-  delay(1000);
 }

src/AirQualityClass.cpp

@@ -93,7 +93,14 @@ void AirQualityClass::end()
 float AirQualityClass::readVOC()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->breathVocEquivalent;
     return reading;
   }
@@ -102,7 +109,14 @@ float AirQualityClass::readVOC()
 float AirQualityClass::readGasResistor()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->gasResistance;
     return reading;
   }
@@ -111,7 +125,14 @@ float AirQualityClass::readGasResistor()
 float AirQualityClass::readIAQ()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->iaq;
     return reading;
   }
@@ -120,7 +141,14 @@ float AirQualityClass::readIAQ()
 float AirQualityClass::readIAQAccuracy()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->iaqAccuracy;
     return reading;
   }
@@ -129,7 +157,14 @@ float AirQualityClass::readIAQAccuracy()
 float AirQualityClass::readStaticIAQ()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->staticIaq;
     return reading;
   }
@@ -139,7 +174,14 @@ float AirQualityClass::readStaticIAQ()
 float AirQualityClass::readCO2()
 {
   if (_revision == BOARD_REVISION_2) {
-    while(!iaqSensor->run()){ }
+    unsigned int time_Start = millis();
+    while(millis() - time_Start < BME68X_TIMEOUT) {
+      if(iaqSensor->run()){
+        break;
+      } else {
+        checkIaqSensorStatus();
+      }
+    }
     float reading = iaqSensor->co2Equivalent;
     return reading;
   }

src/MKRIoTCarrierDefines.h

@@ -24,6 +24,7 @@
 #include <Adafruit_ST7735.h> // Hardware-specific library for ST7735
 #include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
 
+#define BME68X_TIMEOUT 10000
 
 /* Type for getRevision functions */
 using getRev_t = int (*)();