68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package meter
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import (
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"github.com/andig/evcc/api"
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"github.com/andig/evcc/provider"
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"github.com/andig/evcc/util"
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)
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// WrappedMeterEnergy decorates a Meter with MeterEnergy
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type WrappedMeterEnergy struct {
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api.Meter
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api.MeterEnergy
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}
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// NewConfigurableFromConfig creates api.Meter from config
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func NewConfigurableFromConfig(log *util.Logger, other map[string]interface{}) api.Meter {
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cc := struct {
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Power provider.Config
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Energy *provider.Config // optional
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}{}
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util.DecodeOther(log, other, &cc)
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m := NewConfigurable(provider.NewFloatGetterFromConfig(log, cc.Power))
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// decorate Meter with MeterEnergy
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if cc.Energy != nil {
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m = &WrappedMeterEnergy{
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Meter: m,
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MeterEnergy: NewMeterEnergy(provider.NewFloatGetterFromConfig(log, *cc.Energy)),
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}
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}
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return m
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}
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// NewConfigurable creates a new charger
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func NewConfigurable(currentPowerG provider.FloatGetter) api.Meter {
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return &Meter{
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currentPowerG: currentPowerG,
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}
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}
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// Meter is an api.Meter implementation with configurable getters and setters.
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type Meter struct {
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currentPowerG provider.FloatGetter
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}
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// CurrentPower implements the Meter.CurrentPower interface
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func (m *Meter) CurrentPower() (float64, error) {
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return m.currentPowerG()
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}
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// MeterEnergy is an api.MeterEnergy implementation with configurable getters and setters.
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type MeterEnergy struct {
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totalEnergyG provider.FloatGetter
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}
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// NewMeterEnergy creates a new charger
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func NewMeterEnergy(totalEnergyG provider.FloatGetter) api.MeterEnergy {
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return &MeterEnergy{
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totalEnergyG: totalEnergyG,
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}
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}
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// TotalEnergy implements the Meter.TotalEnergy interface
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func (m *MeterEnergy) TotalEnergy() (float64, error) {
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return m.totalEnergyG()
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}
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