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Kathrein: fix phase switching (#21350)

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Dodi1968 2025-05-24 02:08:03 +02:00 • committed by GitHub
parent 6b9ac47eee
commit 8bae78ce83
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GPG key ID: B5690EEEBB952194
1 changed files with 24 additions and 36 deletions
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60
charger/kathrein.go
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@ -67,8 +67,7 @@ const (
kathreinRegCurrents = 0x0036 // float32 Line 1 Current (A)
kathreinRegPowers = 0x003C // float32 Line 1 Power (W)
kathreinRegTotalActivePower = 0x0054 // float32 Total active power (W)
kathreinRegTotalEnergy = 0x005C // float32 Total Energy (since production) (kWh)
kathreinRegFrequencyLine = 0x005E // float32 Frequency line (Hz)
kathreinRegTotalEnergy = 0x005C // float32 Total Energy (since production) (Wh)
// EVSE - Charging state (uint16)
// 0 : Idle
@ -253,6 +252,11 @@ func (wb *Kathrein) Enable(enable bool) error {
u = wb.curr
}
// EMS-Control must be enabled before sending first WriteReg Command
if _, err := wb.conn.WriteSingleRegister(kathreinRegEMSControlRegister, 0x8000); err != nil {
return err
}
_, err := wb.conn.WriteSingleRegister(kathreinRegEMSSetpointChargingCurrent, u)
return err
@ -340,7 +344,7 @@ func (wb *Kathrein) TotalEnergy() (float64, error) {
return 0, err
}
return float64(math.Float32frombits(binary.BigEndian.Uint32(b))), err
return float64(math.Float32frombits(binary.BigEndian.Uint32(b))) / 1e3, err
}
var _ api.PhaseSwitcher = (*Kathrein)(nil)
@ -358,23 +362,27 @@ func (wb *Kathrein) Phases1p3p(phases int) error {
return err
}
// EMS-Control must be enabled before sending first WriteReg Command
if _, err := wb.conn.WriteSingleRegister(kathreinRegEMSControlRegister, 0x8000); err != nil {
return err
}
// Switch phases
if _, err := wb.conn.WriteSingleRegister(kathreinRegEMSSetpointRelais, u); err != nil {
return err
}
// Disable and re-enable charging to apply the new phase setting
if enabled {
if err = wb.Enable(false); err != nil {
if err := wb.Enable(false); err != nil {
return err
}
if err := wb.Enable(true); err != nil {
return err
}
}
// Switch phases
if _, err = wb.conn.WriteSingleRegister(kathreinRegEMSSetpointRelais, u); err != nil {
return err
}
// Re-enable charging if it was previously enabled
if enabled {
err = wb.Enable(true)
}
return err
return nil
}
var _ api.PhaseGetter = (*Kathrein)(nil)
@ -420,18 +428,6 @@ func (wb *Kathrein) Diagnose() {
fmt.Printf("Device - Serial:\t%s\n", b)
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegTotalActivePower, 2); err == nil {
fmt.Printf("Meter - P tot (active):\t%f W\n", float64(math.Float32frombits(binary.BigEndian.Uint32(b))))
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegTotalEnergy, 2); err == nil {
fmt.Printf("Meter - W tot:\t%f kWh\n", float64(math.Float32frombits(binary.BigEndian.Uint32(b))))
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegFrequencyLine, 2); err == nil {
fmt.Printf("Meter - W tot:\t%f Hz\n", float64(math.Float32frombits(binary.BigEndian.Uint32(b))))
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegChargingState, 1); err == nil {
fmt.Printf("EVSE - Charging-State:\t%d\n", b[1])
}
@ -456,14 +452,6 @@ func (wb *Kathrein) Diagnose() {
fmt.Printf("EVSE - Granted Power:\t%d W\n", b[1])
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegChargingDuration, 2); err == nil {
fmt.Printf("Charging - Duration:\t%d s\n", b)
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegChargingEnergy, 2); err == nil {
fmt.Printf("Charging - Energy:\t%d Wh\n", b)
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegEMSControlRegister, 1); err == nil {
fmt.Printf("EMS-Control - Control-Register:\t%d\n", b[1])
}
@ -485,6 +473,6 @@ func (wb *Kathrein) Diagnose() {
}
if b, err := wb.conn.ReadHoldingRegisters(kathreinRegEMSTimeOutFallbackCurrent, 1); err == nil {
fmt.Printf("EMS-Control - Timeout Fallback Pattern:\t%d mA\n", b[1])
fmt.Printf("EMS-Control - Timeout Fallback Current:\t%d mA\n", b[1])
}
}