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em2go: add api.CurrentGetter #14436

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em2go: add api.CurrentGetter #14436

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11 changes: 11 additions & 0 deletions charger/em2go.go
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,17 @@ func (wb *Em2Go) CurrentPower() (float64, error) {
return rs485.RTUUint32ToFloat64(b), nil
}

var _ api.CurrentGetter = (*Em2Go)(nil)

// GetMaxCurrent implements the api.CurrentGetter interface
func (wb Em2Go) GetMaxCurrent() (float64, error) {
b, err := wb.conn.ReadHoldingRegisters(em2goRegCurrentLimit, 1)
if err != nil {
return 0, err
}
return float64(binary.BigEndian.Uint16(b)) / 10, err
}

var _ api.MeterEnergy = (*Em2Go)(nil)

// TotalEnergy implements the api.MeterEnergy interface
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