Add device_class to MQTT Discovery for rtl_433_ESP (#1419)

* Add device_class to rtl_433_ESP discovery

main/config_RF.h

@@ -82,47 +82,47 @@ struct RTL_433device {
 
 extern std::vector<RTL_433device*> RTL_433devices;
 
-const char parameters[39][3][16] = {
-    // RTL_433 key, name, unit
-    {"temperature_C", "temperature", "°C"},
-    {"temperature_1_C", "temperature", "°C"},
-    {"temperature_2_C", "temperature", "°C"},
-    {"temperature_F", "temperature", "°F"},
-    {"time", "timestamp", ""},
-    {"battery_ok", "battery", ""},
-    {"humidity", "humidity", "%"},
-    {"moisture", "moisture", "%"},
-    {"pressure_hPa", "pressure", "hPa"},
-    {"pressure_kPa", "pressure", "kPa"},
-    {"wind_speed_km_h", "wind speed", "km/h"},
-    {"wind_avg_km_h", "wind average", "km/h"},
-    {"wind_avg_mi_h", "wind average", "mi/h"},
-    {"wind_avg_m_s", "wind average", "m/s"},
-    {"wind_speed_m_s", "wind speed", "m/s"},
-    {"gust_speed_km_h", "gust speed", "km/h"},
-    {"wind_max_km_h", "wind max", "km/h"},
-    {"wind_max_m_s", "wind max", "m/s"},
-    {"gust_speed_m_s", "gust speed", "m/s"},
-    {"wind_dir_deg", "wind direction", "°"},
-    {"rain_mm", "rain", "mm"},
-    {"rain_mm_h", "rain", "mm/h"},
-    {"rain_in", "rain", "in"},
-    {"rain_rate_in_h", "rain", "in/h"},
-    {"rssi", "rssi", "dB"},
-    {"snr", "snr", "dB"},
-    {"noise", "noise", "dB"},
-    {"depth_cm", "depth", "cm"},
-    {"power_W", "power", "W"},
-    {"light_lux", "light", "lx"},
-    {"lux", "lux", "lx"},
-    {"uv", "uv", "UV index"},
-    {"uvi", "uvi", "UV index"},
-    {"storm_dist", "storm distance", "mi"},
-    {"strike_distance", "strike distance", "mi"},
-    {"tamper", "tamper", ""},
-    {"alarm", "alarm", ""},
-    {"motion", "motion", ""},
-    {"strike_count", "strike count", ""}}; // from rtl_433_mqtt_hass.py
+const char parameters[39][4][24] = {
+    // RTL_433 key, name, unit, device_class
+    {"temperature_C", "temperature", "°C", "temperature"},
+    {"temperature_1_C", "temperature", "°C", "temperature"},
+    {"temperature_2_C", "temperature", "°C", "temperature"},
+    {"temperature_F", "temperature", "°F", "temperature"},
+    {"time", "timestamp", "", "timestamp"},
+    {"battery_ok", "battery", "", "battery"},
+    {"humidity", "humidity", "%", "humidity"},
+    {"moisture", "moisture", "%", "humidity"},
+    {"pressure_hPa", "pressure", "hPa", "pressure"},
+    {"pressure_kPa", "pressure", "kPa", "pressure"},
+    {"wind_speed_km_h", "wind speed", "km/h", "wind_speed"},
+    {"wind_avg_km_h", "wind average", "km/h", "wind_speed"},
+    {"wind_avg_mi_h", "wind average", "mi/h", "wind_speed"},
+    {"wind_avg_m_s", "wind average", "m/s", "wind_speed"},
+    {"wind_speed_m_s", "wind speed", "m/s", "wind_speed"},
+    {"gust_speed_km_h", "gust speed", "km/h", "wind_speed"},
+    {"wind_max_km_h", "wind max", "km/h", "wind_speed"},
+    {"wind_max_m_s", "wind max", "m/s", "wind_speed"},
+    {"gust_speed_m_s", "gust speed", "m/s", "wind_speed"},
+    {"wind_dir_deg", "wind direction", "°", ""},
+    {"rain_mm", "rain", "mm", "precipitation"},
+    {"rain_mm_h", "rain", "mm/h", "precipitation"},
+    {"rain_in", "rain", "in", "precipitation_intensity"},
+    {"rain_rate_in_h", "rain", "in/h", "precipitation_intensity"},
+    {"rssi", "rssi", "dB", "signal_strength"},
+    {"snr", "snr", "dB", ""},
+    {"noise", "noise", "dB", ""},
+    {"depth_cm", "depth", "cm", ""},
+    {"power_W", "power", "W", "power"},
+    {"light_lux", "light", "lx", ""},
+    {"lux", "lux", "lx", ""},
+    {"uv", "uv", "UV index", ""},
+    {"uvi", "uvi", "UV index", ""},
+    {"storm_dist", "storm distance", "mi", ""},
+    {"strike_distance", "strike distance", "mi", ""},
+    {"tamper", "tamper", "", ""},
+    {"alarm", "alarm", "", ""},
+    {"motion", "motion", "", "motion"},
+    {"strike_count", "strike count", "", ""}}; // from rtl_433_mqtt_hass.py
 #  endif
 #endif
 /*-------------------RF topics & parameters----------------------*/