Support setting charging_limit and discharge_limit in HomeAssistant

Author: mtrossbach

internal/homeassistant/discovery_numbers.go

@@ -25,6 +25,40 @@ func generateNumberDiscoveryPayload(appVersion string, info DeviceInfo) []Number
 			UnitOfMeasurement: UnitWatt,
 			ValueTemplate:     "{{ value_json.output_power_w }}",
 		},
+		{
+			Name:              "Charging Limit",
+			UniqueId:          fmt.Sprintf("%s_charging_limit", info.SerialNumber),
+			CommandTemplate:   "{\"charging_limit\": {{ value }}}",
+			CommandTopic:      info.ParameterCommandTopic,
+			Device:            device,
+			Origin:            origin,
+			Icon:              IconBatteryArrowUpOutline,
+			StateTopic:        info.ParameterStateTopic,
+			StateClass:        StateClassMeasurement,
+			Mode:              ModeSlider,
+			Step:              1,
+			Min:               70,
+			Max:               100,
+			UnitOfMeasurement: UnitPercent,
+			ValueTemplate:     "{{ value_json.charging_limit }}",
+		},
+		{
+			Name:              "Discharge Limit",
+			UniqueId:          fmt.Sprintf("%s_discharge_limit", info.SerialNumber),
+			CommandTemplate:   "{\"discharge_limit\": {{ value }}}",
+			CommandTopic:      info.ParameterCommandTopic,
+			Device:            device,
+			Origin:            origin,
+			Icon:              IconBatteryArrowDownOutline,
+			StateTopic:        info.ParameterStateTopic,
+			StateClass:        StateClassMeasurement,
+			Mode:              ModeSlider,
+			Step:              1,
+			Min:               0,
+			Max:               30,
+			UnitOfMeasurement: UnitPercent,
+			ValueTemplate:     "{{ value_json.discharge_limit }}",
+		},
 	}
 
 	return numbers

internal/homeassistant/models.go

@@ -30,11 +30,13 @@ const (
 type Icon string
 
 const (
-	IconSolarPower   Icon = "mdi:solar-power"
-	IconBatteryPlus  Icon = "mdi:battery-plus"
-	IconBatteryMinus Icon = "mdi:battery-minus"
-	IconCarBattery   Icon = "mdi:car-battery"
-	IconHeatWave     Icon = "mdi:heat-wave"
+	IconSolarPower              Icon = "mdi:solar-power"
+	IconBatteryPlus             Icon = "mdi:battery-plus"
+	IconBatteryMinus            Icon = "mdi:battery-minus"
+	IconCarBattery              Icon = "mdi:car-battery"
+	IconHeatWave                Icon = "mdi:heat-wave"
+	IconBatteryArrowUpOutline   Icon = "mdi:battery-arrow-up-outline"
+	IconBatteryArrowDownOutline Icon = "mdi:battery-arrow-down-outline"
 )
 
 type BinarySensor struct {