Define autocalibrate for S8

ampel-firmware/co2_sensor.cpp

@@ -96,8 +96,6 @@ namespace sensor {
     printIntToHex(s8.sensor_id, 4);
     Serial.println();
 
-    //TODO: Auto-calibration on/off?
-
     // S8 has its own timer (constant 4s)
     Serial.println();
     Serial.print(F("Setting S8 timestep to "));
@@ -105,14 +103,16 @@ namespace sensor {
     Serial.println(F(" s during acclimatization."));
     check_timestep = config::measurement_timestep_bootup;
 
+    setAutoCalibration(config::auto_calibrate_sensor);
+
     sensor_console::defineIntCommand("co2", setCO2forDebugging, F("1500 (Sets co2 level, for debugging)"));
     sensor_console::defineIntCommand("timer", setTimer, F("30 (Sets measurement interval, in s)"));
-//    sensor_console::defineCommand("calibrate", startCalibrationProcess, F("(Starts calibration process)"));
-//    sensor_console::defineIntCommand("calibrate", calibrateSensorToSpecificPPM,
-//        F("600 (Starts calibration process, to given ppm)"));
-//    sensor_console::defineIntCommand("calibrate!", calibrateSensorRightNow,
-//        F("600 (Calibrates right now, to given ppm)"));
-//    sensor_console::defineIntCommand("auto_calibrate", setAutoCalibration, F("0/1 (Disables/enables autocalibration)"));
+    sensor_console::defineCommand("calibrate", startCalibrationProcess, F("(Starts calibration process)"));
+    sensor_console::defineIntCommand("calibrate", calibrateSensorToSpecificPPM,
+        F("600 (Starts calibration process, to given ppm)"));
+    sensor_console::defineIntCommand("calibrate!", calibrateSensorRightNow,
+        F("600 (Calibrates right now, to given ppm)"));
+    sensor_console::defineIntCommand("auto_calibrate", setAutoCalibration, F("0/1 (Disables/enables autocalibration)"));
   }
 
   bool hasSensorSettled() {
@@ -144,11 +144,26 @@ namespace sensor {
   }
 
   void startCalibrationProcess() {
-    Serial.println(F("Implement ME!"));
+    /**
+     * Before applying manual calibration, S8 needs to be operated for 2 minutes with the desired measurement period in continuous mode.
+     */
+    Serial.print(F("Setting S8 timestep to "));
+    Serial.print(config::timestep_during_calibration);
+    Serial.println(F("s, prior to calibration."));
+    check_timestep = config::timestep_during_calibration;
+    Serial.println(F("Waiting until the measurements are stable for at least 2 minutes."));
+    Serial.println(F("It could take a very long time."));
+    switchState(PREPARE_CALIBRATION_UNSTABLE);
   }
 
   void calibrate() {
-    Serial.println(F("Implement ME!"));
+    Serial.print(F("Calibrating S8 now..."));
+    //FIXME: Apparently, only to 400ppm, though.
+    Serial.println(F("WARNING! FORCING CALIBRATION TO 400ppm, regardless of configuration."));
+    sensor_S8->manual_calibration();
+    Serial.println(F(" Done!"));
+    Serial.println(F("Sensor calibrated."));
+    switchState(BOOTUP); // In order to stop the calibration and select the desired timestep.
   }
 
   void logToSerial() {
@@ -278,7 +293,20 @@ namespace sensor {
   }
 
   void setAutoCalibration(int32_t autoCalibration) {
-    Serial.println(F("TODO: Implement ME!"));
+    int16_t autoCalibrationHours = sensor_S8->get_ABC_period();
+    bool isAutoCalibrationOn = autoCalibrationHours > 0;
+    Serial.print(F("Current autocalibration : "));
+    Serial.print(autoCalibrationHours);
+    Serial.println(F(" h."));
+    if (isAutoCalibrationOn != autoCalibration) {
+      Serial.print(F("Turn autocalibration "));
+      Serial.print(autoCalibration ? F("on") : F("off"));
+      sensor_S8->set_ABC_period(autoCalibration ? 180 : 0);
+      delay(500);
+      Serial.println(F(". Done!"));
+    } else {
+
+    }
   }
 
   void setTimer(int32_t timestep) {
@@ -297,6 +325,12 @@ namespace sensor {
   }
 
   void calibrateSensorRightNow(int32_t calibrationLevel) {
-    Serial.println(F("TODO: Implement ME!"));
+    if (calibrationLevel >= 400 && calibrationLevel <= 2000) {
+      Serial.print(F("Force calibration, right now, at "));
+      config::co2_calibration_level = calibrationLevel;
+      Serial.print(config::co2_calibration_level);
+      Serial.println(F(" ppm."));
+      calibrate();
+    }
   }
 }