States described in doxygen

esp32/include/ControllerConfiguration.h

@@ -17,6 +17,26 @@
  * 
  * @subpage Configuration
  * 
+ * There are several modes in the controller
+ * \dot
+ *  digraph Operationmode {
+ *      ranksep=.75;
+ *      poweroff [ label="off" ];
+ *      mode1 [ label="Mode 1 - Sensor only", shape=box, width=2 ];
+ *      mode2 [ label="Mode 2 - Wifi enabled", shape=box ];
+ *      mode3 [ label="Mode 3 - Stay alive", shape=box ];
+ *      mode1 -> mode2 [ label="wakeup reason", fontsize=10 ];
+ *      mode1 -> mode2 [ label="Time duration", fontsize=10 ];
+ *      mode2 -> mode3 [ label="Over the Air Update", fontsize=10 ];
+ *      mode3 -> mode2 [ label="Over the Air Finished", fontsize=10 ];
+ *      mode3 -> mode2 [ label="Mqtt Command", fontsize=10 ];
+ *      mode2 -> mode3 [ label="Mqtt Command", fontsize=10 ];
+ *      poweroff -> mode1 [ label="deep sleep wakeup", fontsize=10 ];
+ *      mode1 -> poweroff [ label="enter deep sleep", fontsize=10 ];
+ *      mode2 -> poweroff [ label="Mqtt queue empty", fontsize=10 ];
+ *  }
+ *  \enddot
+ * 
  * @}
  */
 #ifndef CONTROLLER_CONFIG_H
@@ -28,8 +48,8 @@
 
 #define ADC_TO_VOLT(adc)                    ((adc) * 3.3 ) / 4095)
 #define ADC_TO_VOLT_WITH_MULTI(adc, multi)  (((adc)*3.3 * (multi)) / 4095)
-#define MOIST_SENSOR_MAX_ADC 85 * 4095 / 100
+#define MOIST_SENSOR_MAX_ADC                (85 * 4095 / 100)
-#define MOIST_SENSOR_MIN_ADC 25 * 4095 / 100
+#define MOIST_SENSOR_MIN_ADC                (25 * 4095 / 100)
 
 #define SOLAR_VOLT(adc) ADC_TO_VOLT_WITH_MULTI(adc, 4.0306) /**< 100k and 33k voltage dividor */
 #define ADC_5V_TO_3V3(adc) ADC_TO_VOLT_WITH_MULTI(adc, 1.7) /**< 33k and 47k8 voltage dividor */
@@ -56,16 +76,16 @@
 #define OUTPUT_SENSOR 16 /**< GPIO 16 - Enable Sensors  */
 #define OUTPUT_PUMP   13 /**< GPIO 13 - Enable Pumps  */
 
-#define SENSOR_DS18B20 2 /**< GPIO 2 */
+#define SENSOR_DS18B20 2 /**< GPIO 2 - Temperatur sensor */
-#define BUTTON 0         /**< GPIO 0 */
+#define BUTTON         0 /**< GPIO 0 - Fix button of NodeMCU */
 
 #define MIN_TIME_RUNNING    5UL /**< Amount of seconds the controller must stay awoken */
 #define MAX_PLANTS          7
 #define MINIMUM_LIPO_VOLT   3.6f    /**< Minimum voltage of the Lipo, that must be present */
 #define NO_LIPO_VOLT        2.0f    /**< No Lipo connected */
 #define MINIMUM_SOLAR_VOLT  4.0f    /**< Minimum voltage of the sun, to detect daylight */
-#define SOLAR_CHARGE_MIN_VOLTAGE 7
+#define SOLAR_CHARGE_MIN_VOLTAGE 7  /**< Sun is rising (morning detected) */
-#define SOLAR_CHARGE_MAX_VOLTAGE 9
+#define SOLAR_CHARGE_MAX_VOLTAGE 9  /**< Sun is shining (noon)  */
 
 #define HC_SR04                     /**< Ultrasonic distance sensor to measure water level */
 #define SENSOR_SR04_ECHO        17  /**< GPIO 17 - Echo */

esp32/include/HomieConfiguration.h

@@ -36,7 +36,7 @@ HomieNode sensorLipo("lipo", "Battery Status", "Lipo");
 HomieNode sensorSolar("solar", "Solar Status", "Solarpanel");
 HomieNode sensorWater("water", "WaterSensor", "Water");
 HomieNode sensorTemp("temperature", "Temperature", "temperature");
-HomieNode stayAlive("stay", "alive", "alive");
+HomieNode stayAlive("stay", "alive", "alive");  /**< Necessary for Mqtt Active Command */
 
 /* @} */
 
@@ -72,7 +72,11 @@ HomieSetting<const char *> ntpServer("ntpServer", "NTP server (pool.ntp.org as d
         HomieSetting<long> mPumpAllowedHourRangeEnd##plant = HomieSetting<long>("rangehourend" strplant, "Plant" strplant " - Range pump allowed hour end (0-23)");                                            \
         HomieSetting<bool> mPumpOnlyWhenLowLight##plant = HomieSetting<bool>("onlyWhenLowLightZ" strplant, "Plant" strplant " - Enable the Pump only, when there is light but not enought to charge battery"); \
         HomieSetting<long> mPumpCooldownInHours##plant = HomieSetting<long>("cooldownpump" strplant, "Plant" strplant " - How long to wait until the pump is activated again (minutes)");                      \
-        PlantSettings_t mSetting##plant = {&mSensorDry##plant, &mPumpAllowedHourRangeStart##plant, &mPumpAllowedHourRangeEnd##plant, &mPumpOnlyWhenLowLight##plant, &mPumpCooldownInHours##plant};
+        PlantSettings_t mSetting##plant = {&mSensorDry##plant, &mPumpAllowedHourRangeStart##plant, &mPumpAllowedHourRangeEnd##plant, &mPumpOnlyWhenLowLight##plant, &mPumpCooldownInHours##plant}; \
+        /**< Generate all settings for one plant
+         * 
+         * Feature to start pumping only at morning: @link{SOLAR_CHARGE_MIN_VOLTAGE} and @link{SOLAR_CHARGE_MAX_VOLTAGE}
+         */
 
 /**
  * @}

esp32/src/main.cpp

@@ -38,7 +38,7 @@ typedef struct
 } rtc_plant_t;
 
 /********************* non volatile enable after deepsleep *******************************/
-RTC_DATA_ATTR rtc_plant_t rtcPlant[7];
+RTC_DATA_ATTR rtc_plant_t rtcPlant[MAX_PLANTS];
 RTC_DATA_ATTR long gotoMode2AfterThisTimestamp = 0;
 RTC_DATA_ATTR long rtcDeepSleepTime = 0; /**< Time, when the microcontroller shall be up again */
 RTC_DATA_ATTR int lastPumpRunning = 0;