Implement OpenHAB autodiscovery (#612)

main/config_mqttDiscovery.h

@@ -41,4 +41,60 @@ extern void createDiscovery(char * sensor_type,
 
 #define DEVICEMANUFACTURER "OMG_community"
 
+/*-------------- Auto discovery macros-----------------*/
+// Set the line below to true so as to have autodiscovery working with OpenHAB 
+#define OpenHABDiscovery false
+
+#if OpenHABDiscovery // OpenHAB autodiscovery value key definition (is defined command is not supported by OpenHAB)
+#define jsonBatt      "{{ value_json.batt }}"
+#define jsonLux       "{{ value_json.lux }}"
+#define jsonPres      "{{ value_json.pres }}"
+#define jsonFer       "{{ value_json.fer }}"
+#define jsonMoi       "{{ value_json.moi }}"
+#define jsonHum       "{{ value_json.hum }}"
+#define jsonTemp      "{{ value_json.tem }}"
+#define jsonStep      "{{ value_json.steps }}"
+#define jsonWeight    "{{ value_json.weight }}"
+#define jsonPresence  "{{ value_json.presence }}"
+#define jsonAltim     "{{ value_json.altim }}"
+#define jsonAltif     "{{ value_json.altift }}"
+#define jsonTempf     "{{ value_json.tempf }}"
+#define jsonMsg       "{{ value_json.message }}"
+#define jsonVal       "{{ value_json.value }}"
+#define jsonVolt      "{{ value_json.volt }}"
+#define jsonCurrent   "{{ value_json.current }}"
+#define jsonPower     "{{ value_json.power }}"
+#define jsonGpio      "{{ value_json.gpio }}"
+#define jsonFtcd      "{{ value_json.ftcd }}"
+#define jsonWm2       "{{ value_json.wattsm2 }}"
+#define jsonAdc       "{{ value_json.adc }}"
+#define jsonPa        "{{ float(value_json.pa) * 0.01 }}"
+#define jsonId        "{{ value_json.id }}"
+#else // Home assistant autodiscovery value key definition
+#define jsonBatt      "{{ value_json.batt | is_defined }}"
+#define jsonLux       "{{ value_json.lux | is_defined }}"
+#define jsonPres      "{{ value_json.pres | is_defined }}"
+#define jsonFer       "{{ value_json.fer | is_defined }}"
+#define jsonMoi       "{{ value_json.moi | is_defined }}"
+#define jsonHum       "{{ value_json.hum | is_defined }}"
+#define jsonTemp      "{{ value_json.tem | is_defined }}"
+#define jsonStep      "{{ value_json.steps | is_defined }}"
+#define jsonWeight    "{{ value_json.weight | is_defined }}"
+#define jsonPresence  "{{ value_json.presence | is_defined }}"
+#define jsonAltim     "{{ value_json.altim | is_defined }}"
+#define jsonAltif     "{{ value_json.altift | is_defined }}"
+#define jsonTempf     "{{ value_json.tempf | is_defined }}"
+#define jsonMsg       "{{ value_json.message | is_defined }}"
+#define jsonVal       "{{ value_json.value | is_defined }}"
+#define jsonVolt      "{{ value_json.volt | is_defined }}"
+#define jsonCurrent   "{{ value_json.current | is_defined }}"
+#define jsonPower     "{{ value_json.power | is_defined }}"
+#define jsonGpio      "{{ value_json.gpio | is_defined }}"
+#define jsonFtcd      "{{ value_json.ftcd | is_defined }}"
+#define jsonWm2       "{{ value_json.wattsm2 | is_defined }}"
+#define jsonAdc       "{{ value_json.adc | is_defined }}"
+#define jsonPa        "{{ float(value_json.pa) * 0.01 | is_defined }}"
+#define jsonId        "{{ value_json.id | is_defined }}"
+#endif
+
 #endif