32 lines
777 B
Go
32 lines
777 B
Go
package wrapper
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import (
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"sync"
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)
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// ChargeMeter is a replacement for a physical charge meter.
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// It uses the charger's actual or max current to calculate power consumption.
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type ChargeMeter struct {
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sync.Mutex
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Phases int64
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Voltage float64
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power float64
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}
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func currentToPower(current, voltage float64, phases int64) float64 {
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return float64(phases) * current * voltage
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}
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// SetChargeCurrent updates meter's current power based on actual current
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func (m *ChargeMeter) SetChargeCurrent(current int64) {
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m.Lock()
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defer m.Unlock()
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m.power = currentToPower(float64(current), m.Voltage, m.Phases)
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}
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// CurrentPower implements the Meter.CurrentPower interface
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func (m *ChargeMeter) CurrentPower() (float64, error) {
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m.Lock()
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defer m.Unlock()
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return m.power, nil
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}
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