evcc-io/core/site_battery.go

106 lines
2.7 KiB
Go

package core
import (
"errors"
"github.com/evcc-io/evcc/api"
"github.com/evcc-io/evcc/core/keys"
"github.com/evcc-io/evcc/core/loadpoint"
)
func batteryModeModified(mode api.BatteryMode) bool {
return mode != api.BatteryUnknown && mode != api.BatteryNormal
}
// GetBatteryMode returns the battery mode
func (site *Site) GetBatteryMode() api.BatteryMode {
site.RLock()
defer site.RUnlock()
return site.batteryMode
}
// setBatteryMode sets the battery mode
func (site *Site) setBatteryMode(batMode api.BatteryMode) {
site.batteryMode = batMode
site.publish(keys.BatteryMode, batMode)
}
// SetBatteryMode sets the battery mode
func (site *Site) SetBatteryMode(batMode api.BatteryMode) {
site.Lock()
defer site.Unlock()
site.log.DEBUG.Println("set battery mode:", batMode)
if site.batteryMode != batMode {
site.setBatteryMode(batMode)
}
}
// requiredBatteryMode determines required battery mode based on grid charge and rate
func (site *Site) requiredBatteryMode(batteryGridChargeActive bool, rate api.Rate) api.BatteryMode {
var res api.BatteryMode
batMode := site.GetBatteryMode()
mapper := func(s api.BatteryMode) api.BatteryMode {
return map[bool]api.BatteryMode{false: s, true: api.BatteryUnknown}[batMode == s]
}
switch {
case batteryGridChargeActive:
res = mapper(api.BatteryCharge)
case site.dischargeControlActive(rate):
res = mapper(api.BatteryHold)
case batteryModeModified(batMode):
res = api.BatteryNormal
}
return res
}
// applyBatteryMode applies the mode to each battery
func (site *Site) applyBatteryMode(mode api.BatteryMode) error {
for _, meter := range site.batteryMeters {
if batCtrl, ok := meter.(api.BatteryController); ok {
if err := batCtrl.SetBatteryMode(mode); err != nil && !errors.Is(err, api.ErrNotAvailable) {
return err
}
}
}
return nil
}
func (site *Site) plannerRates() (api.Rates, error) {
tariff := site.GetTariff(PlannerTariff)
if tariff == nil || tariff.Type() == api.TariffTypePriceStatic {
return nil, nil
}
return tariff.Rates()
}
func (site *Site) smartCostActive(lp loadpoint.API, rate api.Rate) bool {
limit := lp.GetSmartCostLimit()
return limit != nil && !rate.IsEmpty() && rate.Price <= *limit
}
func (site *Site) batteryGridChargeActive(rate api.Rate) bool {
limit := site.GetBatteryGridChargeLimit()
return limit != nil && !rate.IsEmpty() && rate.Price <= *limit
}
func (site *Site) dischargeControlActive(rate api.Rate) bool {
if !site.GetBatteryDischargeControl() {
return false
}
for _, lp := range site.Loadpoints() {
smartCostActive := site.smartCostActive(lp, rate)
if lp.GetStatus() == api.StatusC && (smartCostActive || lp.IsFastChargingActive()) {
return true
}
}
return false
}