107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
package meter
|
|
|
|
//go:generate go tool decorate -f decorateHomeAssistant -b *HomeAssistant -r api.Meter -t "api.MeterEnergy,TotalEnergy,func() (float64, error)" -t "api.PhaseCurrents,Currents,func() (float64, float64, float64, error)" -t "api.PhaseVoltages,Voltages,func() (float64, float64, float64, error)" -t "api.Battery,Soc,func() (float64, error)" -t "api.BatteryCapacity,Capacity,func() float64" -t "api.BatterySocLimiter,GetSocLimits,func() (float64, float64)" -t "api.BatteryPowerLimiter,GetPowerLimits,func() (float64, float64)" -t "api.BatteryController,SetBatteryMode,func(api.BatteryMode) error" -t "api.MaxACPowerGetter,MaxACPower,func() float64"
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/evcc-io/evcc/api"
|
|
"github.com/evcc-io/evcc/util"
|
|
"github.com/evcc-io/evcc/util/homeassistant"
|
|
)
|
|
|
|
// HomeAssistant meter implementation
|
|
type HomeAssistant struct {
|
|
conn *homeassistant.Connection
|
|
power string
|
|
}
|
|
|
|
func init() {
|
|
registry.Add("homeassistant", NewHomeAssistantFromConfig)
|
|
}
|
|
|
|
// NewHomeAssistantFromConfig creates a HomeAssistant meter from generic config
|
|
func NewHomeAssistantFromConfig(other map[string]any) (api.Meter, error) {
|
|
cc := struct {
|
|
URI string
|
|
Token string
|
|
Power string
|
|
Energy string
|
|
Currents []string
|
|
Voltages []string
|
|
Soc string
|
|
|
|
// pv
|
|
pvMaxACPower `mapstructure:",squash"`
|
|
|
|
// battery
|
|
batteryCapacity `mapstructure:",squash"`
|
|
batterySocLimits `mapstructure:",squash"`
|
|
batteryPowerLimits `mapstructure:",squash"`
|
|
}{
|
|
batterySocLimits: batterySocLimits{
|
|
MinSoc: 20,
|
|
MaxSoc: 95,
|
|
},
|
|
}
|
|
|
|
if err := util.DecodeOther(other, &cc); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if cc.Power == "" {
|
|
return nil, errors.New("missing power sensor entity")
|
|
}
|
|
|
|
log := util.NewLogger("ha-meter")
|
|
conn, err := homeassistant.NewConnection(log, cc.URI, cc.Token)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
m := &HomeAssistant{
|
|
conn: conn,
|
|
power: cc.Power,
|
|
}
|
|
|
|
// decorators for optional interfaces
|
|
var energy func() (float64, error)
|
|
var currents, voltages func() (float64, float64, float64, error)
|
|
var soc func() (float64, error)
|
|
|
|
if cc.Energy != "" {
|
|
energy = func() (float64, error) { return conn.GetFloatState(cc.Energy) }
|
|
}
|
|
|
|
// phase currents (optional)
|
|
if phases, err := homeassistant.ValidatePhaseEntities(cc.Currents); len(phases) > 0 {
|
|
currents = func() (float64, float64, float64, error) { return conn.GetPhaseFloatStates(phases) }
|
|
} else if err != nil {
|
|
return nil, fmt.Errorf("currents: %w", err)
|
|
}
|
|
|
|
// phase voltages (optional)
|
|
if phases, err := homeassistant.ValidatePhaseEntities(cc.Voltages); len(phases) > 0 {
|
|
voltages = func() (float64, float64, float64, error) { return conn.GetPhaseFloatStates(phases) }
|
|
} else if err != nil {
|
|
return nil, fmt.Errorf("voltages: %w", err)
|
|
}
|
|
|
|
if cc.Soc != "" {
|
|
soc = func() (float64, error) { return conn.GetFloatState(cc.Soc) }
|
|
}
|
|
|
|
return decorateHomeAssistant(m,
|
|
energy, currents, voltages, soc,
|
|
cc.batteryCapacity.Decorator(), cc.batterySocLimits.Decorator(), cc.batteryPowerLimits.Decorator(), nil,
|
|
cc.pvMaxACPower.Decorator(),
|
|
), nil
|
|
}
|
|
|
|
var _ api.Meter = (*HomeAssistant)(nil)
|
|
|
|
// CurrentPower implements the api.Meter interface
|
|
func (m *HomeAssistant) CurrentPower() (float64, error) {
|
|
return m.conn.GetFloatState(m.power)
|
|
}
|