Stefan/evcc-io
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ChargeX: fix register decoding (#27110)

Browse source
This commit is contained in:
premultiply 2026-01-30 15:53:05 +01:00 • committed by GitHub
parent f668bb7d22
commit 725af06bab
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 10 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

20
charger/chargex.go
View file

@ -41,11 +41,11 @@ type ChargeX struct {
const (
// Module specific base address (module X: 100 + module_index*12)
chargexRegModuleBase = 100 // 0x0064 Base address for module 0
chargexRegModulePower = 0 // PAC_X offset (U32, 2 registers)
chargexRegModuleCurrent1 = 2 // IAC_SUM_1_X offset (U32, 2 registers)
chargexRegModuleCurrent2 = 4 // IAC_SUM_2_X offset (U32, 2 registers)
chargexRegModuleCurrent3 = 6 // IAC_SUM_3_X offset (U32, 2 registers)
chargexRegModuleState = 8 // States_CP_X offset (B16, 1 register!)
chargexRegModulePower = 0 // PAC_X offset
chargexRegModuleCurrent1 = 2 // IAC_SUM_1_X offset
chargexRegModuleCurrent2 = 4 // IAC_SUM_2_X offset
chargexRegModuleCurrent3 = 6 // IAC_SUM_3_X offset
chargexRegModuleState = 8 // States_CP_X offset
// Holding registers (read/write)
chargexRegTargetPower = 504 // 0x01F8 PAC_Target_Power (W) - U32
@ -96,7 +96,7 @@ func NewChargeX(ctx context.Context, uri string, id uint8, connector uint16) (ap
curr: 6, // assume min current
}
// Initialize charging mode to 0 (Full control) to ensure evcc has full control
// Initialize charging mode to 0 (Full control)
b := make([]byte, 4)
binary.BigEndian.PutUint32(b, 0)
if _, err := conn.WriteMultipleRegisters(chargexRegChargingMode, 2, b); err != nil {
@ -136,12 +136,12 @@ func (wb *ChargeX) setCurrent(current float64) error {
// Status implements the api.Charger interface
func (wb *ChargeX) Status() (api.ChargeStatus, error) {
b, err := wb.conn.ReadHoldingRegisters(wb.moduleReg(chargexRegModuleState), 1)
b, err := wb.conn.ReadHoldingRegisters(wb.moduleReg(chargexRegModuleState), 2)
if err != nil {
return api.StatusNone, err
}
state := binary.BigEndian.Uint16(b)
state := binary.BigEndian.Uint32(b)
// Bit 0: Charging (1=charging, 0=not charging)
// Bit 1: ChMode (0=single phase, 1=3 phase)
@ -167,13 +167,13 @@ var _ api.StatusReasoner = (*ChargeX)(nil)
// StatusReason implements the api.StatusReasoner interface
func (wb *ChargeX) StatusReason() (api.Reason, error) {
b, err := wb.conn.ReadHoldingRegisters(wb.moduleReg(chargexRegModuleState), 1)
b, err := wb.conn.ReadHoldingRegisters(wb.moduleReg(chargexRegModuleState), 2)
if err != nil {
return api.ReasonUnknown, err
}
// Check if not authorized
if (binary.BigEndian.Uint16(b) & (1 << 2)) == 0 {
if (binary.BigEndian.Uint32(b) & (1 << 2)) == 0 {
return api.ReasonWaitingForAuthorization, nil
}