Add support for co2 battery

pkg/ambient/ambient.go

@@ -85,6 +85,7 @@ func (aw *AmbientWeather) handleProviderRequest(
 
 		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
+		return
 	}
 
 	// Calculate any fields that may be missing

pkg/provider/awn/provider.go

@@ -60,6 +60,7 @@ func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 		BattOutdoorSensor: awnUpdate.BattOut,
 		BattIndoorSensor:  awnUpdate.BattIn,
 		BattRainSensor:    awnUpdate.BattRain,
+		BattCO2Sensor:     awnUpdate.BattCO2,
 		TempIndoorF:       awnUpdate.TempInF,
 		HumidityIndoor:    awnUpdate.HumidityIn,
 		BaromRelativeIn:   awnUpdate.BaromRelIn,

pkg/provider/awn/types.go

@@ -27,4 +27,5 @@ type AmbientWeatherUpdate struct {
 	BaromRelIn     float64 `json:"baromrelin,omitempty" schema:"baromrelin"`
 	BaromAbsIn     float64 `json:"baromabsin,omitempty" schema:"baromabsin"`
 	BattIn         int     `json:"battin,omitempty" schema:"battin"`
+	BattCO2        int     `json:"batt_co2,omitempty" schema:"batt_co2"`
 }

pkg/weather/enrich.go

@@ -5,6 +5,10 @@ import "math"
 // Attempts to complete missing fields that may not
 // be set by a specific provider, such as DewPoint and WindChill
 func (u *WeatherUpdate) Enrich() {
+	if u == nil {
+		return
+	}
+
 	if u.WindChillF == 0 {
 		u.WindChillF = CalculateWindChill(u.TempOutdoorF, u.WindSpeedMPH)
 	}

pkg/weather/types.go

@@ -30,6 +30,7 @@ type WeatherUpdate struct {
 	BattOutdoorSensor int
 	BattIndoorSensor  int
 	BattRainSensor    int
+	BattCO2Sensor     int
 	BaromRelativeIn   float64
 	BaromAbsoluteIn   float64
 	// These fields may be calculated