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Phoenix EM-ETH: fix currents (#21913)

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andig 2025-06-18 20:25:14 +02:00 • committed by GitHub
parent 107c7dae3f
commit 7d0d856831
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GPG key ID: B5690EEEBB952194
1 changed files with 4 additions and 4 deletions
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8
charger/phoenix-em-eth.go
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@ -163,16 +163,16 @@ func (wb *PhoenixEMEth) totalEnergy() (float64, error) {
// currents implements the api.PhaseCurrents interface
func (wb *PhoenixEMEth) currents() (float64, float64, float64, error) {
return wb.getPhaseValues(phxEMEthRegCurrents)
return wb.getPhaseValues(phxEMEthRegCurrents, 0.001)
}
// voltages implements the api.PhaseVoltages interface
func (wb *PhoenixEMEth) voltages() (float64, float64, float64, error) {
return wb.getPhaseValues(phxEMEthRegVoltages)
return wb.getPhaseValues(phxEMEthRegVoltages, phxEMEthSF)
}
// getPhaseValues returns 3 sequential phase values
func (wb *PhoenixEMEth) getPhaseValues(reg uint16) (float64, float64, float64, error) {
func (wb *PhoenixEMEth) getPhaseValues(reg uint16, scale float64) (float64, float64, float64, error) {
const count = 3
b, err := wb.conn.ReadInputRegisters(reg, 2*count)
if err != nil {
@ -181,7 +181,7 @@ func (wb *PhoenixEMEth) getPhaseValues(reg uint16) (float64, float64, float64, e
var res [count]float64
for i := range res {
res[i] = float64(encoding.Int32LswFirst(b[4*i:])) * phxEMEthSF
res[i] = float64(encoding.Int32LswFirst(b[4*i:])) * scale
}
return res[0], res[1], res[2], nil