Update sensor.ino

Add support for humidity correction

code/espurna/sensor.ino

@@ -35,6 +35,7 @@ unsigned long _sensor_read_interval = 1000 * SENSOR_READ_INTERVAL;
 unsigned char _sensor_report_every = SENSOR_REPORT_EVERY;
 unsigned char _sensor_temperature_units = SENSOR_TEMPERATURE_UNITS;
 double _sensor_temperature_correction = SENSOR_TEMPERATURE_CORRECTION;
+double _sensor_humidity_correction = SENSOR_HUMIDITY_CORRECTION;
 
 // -----------------------------------------------------------------------------
 // Private
@@ -50,6 +51,9 @@ double _magnitudeProcess(unsigned char type, double value) {
         if (_sensor_temperature_units == TMP_FAHRENHEIT) value = value * 1.8 + 32;
         value = value + _sensor_temperature_correction;
     }
+    if (type == MAGNITUDE_HUMIDITY) {
+        value = value + _sensor_humidity_correction;
+    }
     return roundTo(value, _magnitudeDecimals(type));
 }
 
@@ -111,6 +115,7 @@ void _sensorWebSocketStart(JsonObject& root) {
         //root["apiRealTime"] = _sensor_realtime;
         root["tmpUnits"] = _sensor_temperature_units;
         root["tmpCorrection"] = _sensor_temperature_correction;
+        root["humCorrection"] = _sensor_humidity_correction;
         root["snsRead"] = _sensor_read_interval / 1000;
         root["snsReport"] = _sensor_report_every;
     }
@@ -481,6 +486,7 @@ void _sensorConfigure() {
     _sensor_realtime = getSetting("apiRealTime", API_REAL_TIME_VALUES).toInt() == 1;
     _sensor_temperature_units = getSetting("tmpUnits", SENSOR_TEMPERATURE_UNITS).toInt();
     _sensor_temperature_correction = getSetting("tmpCorrection", SENSOR_TEMPERATURE_CORRECTION).toFloat();
+    _sensor_humidity_correction = getSetting("humCorrection", SENSOR_HUMIDITY_CORRECTION).toFloat();
 
     // Update filter sizes
     for (unsigned char i=0; i<_magnitudes.size(); i++) {