105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package meter
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/evcc-io/evcc/api"
|
|
"github.com/evcc-io/evcc/util"
|
|
"github.com/evcc-io/evcc/util/homeassistant"
|
|
)
|
|
|
|
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 `mapstructure:"token"` // TODO deprecated
|
|
Home_ string `mapstructure:"home"` // TODO deprecated
|
|
Power string
|
|
Energy string
|
|
Currents []string
|
|
Voltages []string
|
|
Powers []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.Home_)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
m, _ := NewConfigurable(func() (float64, error) {
|
|
return conn.GetFloatState(cc.Power)
|
|
})
|
|
|
|
// decorators for optional interfaces
|
|
var energyG func() (float64, error)
|
|
var currentsG, voltagesG, powersG func() (float64, float64, float64, error)
|
|
|
|
if cc.Energy != "" {
|
|
energyG = func() (float64, error) { return conn.GetFloatState(cc.Energy) }
|
|
}
|
|
|
|
// phase currents (optional)
|
|
if phases, err := homeassistant.ValidatePhaseEntities(cc.Currents); err != nil {
|
|
return nil, fmt.Errorf("currents: %w", err)
|
|
} else if len(phases) > 0 {
|
|
currentsG = func() (float64, float64, float64, error) { return conn.GetPhaseFloatStates(phases) }
|
|
}
|
|
|
|
// phase voltages (optional)
|
|
if phases, err := homeassistant.ValidatePhaseEntities(cc.Voltages); err != nil {
|
|
return nil, fmt.Errorf("voltages: %w", err)
|
|
} else if len(phases) > 0 {
|
|
voltagesG = func() (float64, float64, float64, error) { return conn.GetPhaseFloatStates(phases) }
|
|
}
|
|
|
|
// phase powers (optional)
|
|
if phases, err := homeassistant.ValidatePhaseEntities(cc.Powers); err != nil {
|
|
return nil, fmt.Errorf("powers: %w", err)
|
|
} else if len(phases) > 0 {
|
|
powersG = func() (float64, float64, float64, error) { return conn.GetPhaseFloatStates(phases) }
|
|
}
|
|
|
|
if cc.Soc != "" {
|
|
socG := func() (float64, error) { return conn.GetFloatState(cc.Soc) }
|
|
|
|
return m.DecorateBattery(
|
|
energyG,
|
|
socG, cc.batteryCapacity.Decorator(),
|
|
cc.batterySocLimits.Decorator(), cc.batteryPowerLimits.Decorator(),
|
|
nil,
|
|
), nil
|
|
}
|
|
|
|
return m.Decorate(
|
|
energyG, currentsG, voltagesG, powersG, cc.pvMaxACPower.Decorator(),
|
|
), nil
|
|
}
|