First verison with running FSM. Sensor data read not verified. Web updater is fine.

firmware/config.h

@@ -12,11 +12,10 @@
 #define EMERGENCY_SLEEP_S            172800 // Sleep for 2 days to recover
 #define RESET_ESP_TIME_INTERVAL_MS   (60*60*12*1000) // reset every 12 hours
 #define WIND_SENSOR_MEAS_TIME_S          15
-#define INITIAL_WEBSERVER_TIME           20
+#define WATCHDOG_TIMEOUT_MS           30000
-
+#define WIFI_CHECK_INTERVAL_MS 60000
 #define ENERGY_SAVING_ITERATIONS         30
 #define WIFI_MINIMUM_SIGNAL_QUALITY      10 // percent
-
 #define BAT_LOW_VOLTAGE                 3.6
 #define BAT_EMERGENCY_DEEPSLEEP_VOLTAGE 3.5
 

firmware/constants.h

@@ -18,4 +18,13 @@
 #define ENERGY_SAVE_MODE_ENABLED     1.0
 #define ENERGY_SAVE_MODE_DISABLED    0.0
 
+#define FSM_STATE_WU  0
+#define FSM_STATE_WSE 1
+#define FSM_STATE_RS  2
+#define FSM_STATE_WS  4
+#define FSM_STATE_US  5
+#define FSM_STATE_SC  6
+#define FSM_STATE_ID  7
+#define FSM_STATE_SD  8
+
 #endif

firmware/firmware.ino

@@ -44,19 +44,9 @@ uint32_t wifi_check_interval_counter = millis();
 
 WiFiManager wifiManager;
 
-typedef enum fsm_states_et {
+uint8_t fsm_state = FSM_STATE_WU;
-  FSM_STATE_WU,
-  FSM_STATE_WSE,
-  FSM_STATE_RS,
-  FSM_STATE_BP,
-  FSM_STATE_WS,
-  FSM_STATE_US,
-  FSM_STATE_SC,
-  FSM_STATE_ID,
-  FSM_STATE_SD
-} t_fsm_states;
 
-t_fsm_states fsm_state = FSM_STATE_WU;
+uint8_t sensor_cnt = 0;
 
 //*************************************************************************//
 
@@ -181,7 +171,7 @@ void initSensors()
 void wifiConnectionCheck()
 {
 
-  if (millis() - wifi_check_interval_counter < WIFI_CHECK_INVERVAL_MS)
+  if (millis() - wifi_check_interval_counter < WIFI_CHECK_INTERVAL_MS)
   {
     // if check interval is not exceeded abort check
     return;
@@ -279,9 +269,11 @@ void _loop()
   {
 
     case FSM_STATE_WU:
+      debug("web updater call if required");
 #ifdef WEBUPDATER_FEATURE
       if (UPDATE_WEBSERVER_INTVERVAL_S * 1000 / DELAY_LOOP_MS <= update_webserver_cnt)
       {
+        debug("web updater call");
         update_webserver_cnt = 0;
         doWebUpdater();
       }
@@ -290,10 +282,11 @@ void _loop()
       break;
 
     case FSM_STATE_WSE:
+      debug("wind speed exceeded check if required");
 #ifdef HTTP_CALL_ON_WINDSPEED_EXCEED
       if (HTTP_CALL_ON_WINDSPEED_INTERVAL_S * 1000 / DELAY_LOOP_MS <= update_windspeed_exceed_cnt)
       {
-        debug("Reading wind sensor because of exceed call functionality");
+        debug("reading wind sensor because of exceed call functionality");
         if (sensors[SENSOR_WINDSPEED])
         {
           // read from windspeed sensorSTATUS_LED_PIN
@@ -315,9 +308,7 @@ void _loop()
     
             if (httpResponseCode > 0) {
               String response = http.getString();
-#ifdef DEBUG
+              debug("http response code: " + String(httpResponseCode) + " = " + response);
-              Serial.println("http response code: " + String(httpResponseCode) + " = " + response);
-#endif
               // TODO handle response
             }
     
@@ -335,63 +326,69 @@ void _loop()
       break;
 
     case FSM_STATE_RS:
+      debug("reset time check if required");
 #ifdef RESET_ESP_TIME_INTERVAL
       // if millis() reached interval restart ESP
       if (RESET_ESP_TIME_INTERVAL_MS <= millis())
       {
-        debug("Resetting firmware intentionally");
+        debug("resetting firmware intentionally");
         // Push reset button after flashing once or do a manual power cycle to get the functionality working.
         ESP.restart();
       }
-#endif
-      fsm_state = FSM_STATE_BP;
-      break;
-
-    case FSM_STATE_BP:
-#ifndef BATTERY_POWERED
-      if (UPDATE_SENSOR_INTERVAL_S * 1000 / DELAY_LOOP_MS > update_sensor_cnt)
-      {
-        return;
-      }
 #endif
       fsm_state = FSM_STATE_WS;
       break;
 
     case FSM_STATE_WS:
+      debug("disable measure of wind speed if required");
 #ifdef defined(BATTERY_POWERED) && defined(SENSOR_WIND)
       if (energySavingMode() == 1) {
         // Disable expensive tasks
         sensors[SENSOR_WINDSPEED] = 0;
+        debug("read of wind sensor because of low battery disabled");
       } else {
         sensors[SENSOR_WINDSPEED] = &wind_speed;
+        debug("read of wind sensor because of high battery enabled");
       }
 #endif
       fsm_state = FSM_STATE_US;
       break;
 
     case FSM_STATE_US:
-      update_sensor_cnt = 0;
+      debug("read sensor data check");
-      for (uint8_t i = 0; i < VALUES; i++)
+      if (UPDATE_SENSOR_INTERVAL_S * 1000 / DELAY_LOOP_MS <= update_sensor_cnt)
       {
-        if (sensors[i]) {
+        debug("read sensor data" + String(sensor_cnt));
-          currentSensorData[i] = sensors[i]();
+        if (sensors[sensor_cnt]) {
+          currentSensorData[sensor_cnt] = sensors[sensor_cnt]();
         } else {
-          currentSensorData[i] = nan("no value");
+          currentSensorData[sensor_cnt] = nan("no value");
-        }
         }
+  
+        if (sensor_cnt < VALUES)
+        {
+          sensor_cnt++;
+        } else {
+          update_sensor_cnt = 0;
+          sensor_cnt = 0;
           fsm_state = FSM_STATE_SC;
+        }
+      } else {
+        debug("skip read sensor data");
+        fsm_state = FSM_STATE_WU; // no new data, reset FSM
+      }
       break;
 
     case FSM_STATE_SC:
+      debug("log to serial if required");
 #ifdef SERIAL_FEATURE
       logToSerial(currentSensorData);
 #endif
       fsm_state = FSM_STATE_ID;
       break;
 
-  //delay(100); // TODO warum?
-
     case FSM_STATE_ID:
+      debug("Send data to influxdb");
 #ifdef INFLUXDB_FEATURE
       for (uint8_t i = 0; i < 5 and validData == false; i++)
       {
@@ -411,6 +408,7 @@ void _loop()
       break;
 
     case FSM_STATE_SD:
+      debug("set sensor data in webupdater");
 #ifdef WEBUPDATER_FEATURE
       setSensorData(currentSensorData);
 #endif
@@ -422,7 +420,10 @@ void _loop()
       break;
 
   } // close of switch
-  debug("FSM state = "+fsm_state);
+
+  //delay(100); // TODO warum hier ein delay?
+
+  debug("FSM state = " + String(fsm_state));
 }
 
 void logToSerial(float sensorValues[])