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MyPV charger: fix charger logic error (#22402)

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docolli 2025-07-30 21:15:00 +02:00 • committed by GitHub
parent 857d8a167b
commit 38eb5d27e4
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GPG key ID: B5690EEEBB952194
1 changed files with 18 additions and 9 deletions
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27
charger/mypv.go
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@ -45,14 +45,16 @@ type MyPv struct {
}
const (
elwaRegSetPower = 1000
elwaRegTempLimit = 1002
elwaRegStatus = 1003
elwaRegLoadState = 1059
elwaRegPower = 1000 // https://github.com/evcc-io/evcc/issues/18020#issuecomment-2585300804
elwaRegSetPower = 1000
elwaRegTempLimit = 1002
elwaRegStatus = 1003
elwaRegLoadState = 1059
elwaRegPower = 1000 // https://github.com/evcc-io/evcc/issues/18020#issuecomment-2585300804
elwaRegOperationState = 1077
)
var elwaTemp = []uint16{1001, 1030, 1031}
var elwaStandbyPower uint16 = 10
func init() {
// https://github.com/evcc-io/evcc/discussions/12761
@ -183,7 +185,7 @@ func (wb *MyPv) Status() (api.ChargeStatus, error) {
}
// ignore standby power
if binary.BigEndian.Uint16(b) == wb.statusC && binary.BigEndian.Uint16(c) > 10 {
if binary.BigEndian.Uint16(b) == wb.statusC && binary.BigEndian.Uint16(c) > elwaStandbyPower {
res = api.StatusC
}
@ -192,15 +194,22 @@ func (wb *MyPv) Status() (api.ChargeStatus, error) {
// Enabled implements the api.Charger interface
func (wb *MyPv) Enabled() (bool, error) {
b, err := wb.conn.ReadHoldingRegisters(elwaRegSetPower, 1)
b, err := wb.conn.ReadHoldingRegisters(elwaRegOperationState, 1)
if err != nil {
return false, err
}
if binary.BigEndian.Uint16(b) == 0 {
wb.enabled = false
switch binary.BigEndian.Uint16(b) {
case
1, // heating PV excess
2: // boost backup
return true, nil
case
0: // standby
return false, nil
}
// fallback to cached value as last resort
return wb.enabled, nil
}