Trydan: remove Locked, pause DPC, add currents/voltages (firmware >=2.5.0) (#32013)

Co-authored-by: blastik <3662083+blastik@users.noreply.github.com>
Co-authored-by: premultiply <4681172+premultiply@users.noreply.github.com>
This commit is contained in:
David CM 2026-07-22 12:36:43 +02:00 • committed by GitHub
parent 209b72b817
commit 1b16f23da3
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GPG key ID: B5690EEEBB952194
2 changed files with 250 additions and 57 deletions

View file

@ -32,28 +32,45 @@ import (
)
type RealTimeData struct {
ID string `json:"ID"`
ChargeState int `json:"ChargeState"`
ReadyState int `json:"ReadyState"`
ChargePower float64 `json:"ChargePower"`
ChargeEnergy float64 `json:"ChargeEnergy"`
SlaveError int `json:"SlaveError"`
ChargeTime int `json:"ChargeTime"`
HousePower float64 `json:"HousePower"`
FVPower float64 `json:"FVPower"`
BatteryPower float64 `json:"BatteryPower"`
Paused int `json:"Paused"`
Locked int `json:"Locked"`
Timer int `json:"Timer"`
Intensity int `json:"Intensity"`
Dynamic int `json:"Dynamic"`
MinIntensity int `json:"MinIntensity"`
MaxIntensity int `json:"MaxIntensity"`
PauseDynamic int `json:"PauseDynamic"`
FirmwareVersion string `json:"FirmwareVersion"`
DynamicPowerMode int `json:"DynamicPowerMode"`
ContractedPower int `json:"ContractedPower"`
ChargeMode int `json:"ChargeMode"`
ID string `json:"ID"`
ChargeState int `json:"ChargeState"`
ReadyState int `json:"ReadyState"`
ChargePower float64 `json:"ChargePower"`
ChargeEnergy float64 `json:"ChargeEnergy"`
SlaveError int `json:"SlaveError"`
ChargeTime int `json:"ChargeTime"`
HousePower float64 `json:"HousePower"`
FVPower float64 `json:"FVPower"`
BatteryPower float64 `json:"BatteryPower"`
Paused int `json:"Paused"`
Locked int `json:"Locked"`
Timer int `json:"Timer"`
Intensity int `json:"Intensity"`
Dynamic int `json:"Dynamic"`
MinIntensity int `json:"MinIntensity"`
MaxIntensity int `json:"MaxIntensity"`
PauseDynamic int `json:"PauseDynamic"`
FirmwareVersion string `json:"FirmwareVersion"`
DynamicPowerMode int `json:"DynamicPowerMode"`
ContractedPower int `json:"ContractedPower"`
ChargeMode int `json:"ChargeMode"`
IntensityMeasureL1 float64 `json:"IntensityMeasure_L1"`
IntensityMeasureL2 float64 `json:"IntensityMeasure_L2"`
IntensityMeasureL3 float64 `json:"IntensityMeasure_L3"`
VoltageMeasureL1 float64 `json:"VoltageMeasure_L1"`
VoltageMeasureL2 float64 `json:"VoltageMeasure_L2"`
VoltageMeasureL3 float64 `json:"VoltageMeasure_L3"`
}
// phaseMeasurementsUnavailable reports whether the firmware does not populate the per-phase
// current/voltage fields (added in 2.5.0; older firmware just omits them, unmarshalling to
// zero). A grid-connected charger always sees mains voltage, so an all-zero voltage sum can
// only mean the fields are missing. Currents are checked additionally while power is flowing,
// where an all-zero reading is equally impossible; zero currents while idle are legitimate.
func (data RealTimeData) phaseMeasurementsUnavailable() bool {
return data.VoltageMeasureL1+data.VoltageMeasureL2+data.VoltageMeasureL3 == 0 ||
data.ChargePower > 0 &&
data.IntensityMeasureL1+data.IntensityMeasureL2+data.IntensityMeasureL3 == 0
}
// Trydan ChargeMode values
@ -68,8 +85,6 @@ type Trydan struct {
*request.Helper
uri string
statusG util.Cacheable[RealTimeData]
current int
enabled bool
}
func init() {
@ -114,6 +129,20 @@ func NewTrydan(uri string, cache time.Duration) (api.Charger, error) {
return res, err
}, cache)
data, err := c.statusG.Get()
if err != nil {
return nil, err
}
// Permanently pause the chargers internal Dynamic Power Control to let evcc take over
// charging power control. It is not disabled entirely since the charger would then stop
// returning power readings.
if data.Dynamic == 1 {
if err := c.setValue("PauseDynamic", 1); err != nil {
return nil, err
}
}
return c, nil
}
@ -129,6 +158,10 @@ func (t Trydan) Status() (api.ChargeStatus, error) {
case 1:
return api.StatusB, nil
case 2:
// firmware keeps ChargeState at "charging" even after Paused=1
if data.Paused == 1 {
return api.StatusB, nil
}
return api.StatusC, nil
default:
return api.StatusNone, fmt.Errorf("unknown status: %d", state)
@ -138,7 +171,7 @@ func (t Trydan) Status() (api.ChargeStatus, error) {
// Enabled implements the api.Charger interface
func (c Trydan) Enabled() (bool, error) {
data, err := c.statusG.Get()
return data.Paused == 0 && data.Locked == 0, err
return data.Paused == 0, err
}
func (c *Trydan) setValue(param string, value int) error {
@ -152,45 +185,17 @@ func (c *Trydan) setValue(param string, value int) error {
// Enable implements the api.Charger interface
func (c Trydan) Enable(enable bool) error {
var pause, pauseDynamic int
var pause int
if !enable {
pause = 1
} else {
pauseDynamic = 1
}
if err := c.setValue("Paused", pause); err != nil {
return err
}
if err := c.setValue("Locked", pause); err != nil {
return err
}
// Pause/Unpause Dynamic Power Control if enabled.
// This is needed to let EVCC taking over charging power control.
// Charger will stop returning power readings if 'Dynamic' is disabled.
data, err := c.statusG.Get()
if err != nil {
return err
}
if data.Dynamic == 1 {
if err := c.setValue("PauseDynamic", pauseDynamic); err != nil {
// Pause V2C 'PauseDynamic' when EVCC charging is active and vice versa.
return err
}
}
c.enabled = enable
return nil
return c.setValue("Paused", pause)
}
// MaxCurrent implements the api.Charger interface
func (c Trydan) MaxCurrent(current int64) error {
err := c.setValue("Intensity", int(current))
if err == nil {
c.current = int(current)
}
return err
return c.setValue("Intensity", int(current))
}
// removed broken interfaces https://github.com/evcc-io/evcc/issues/28047
@ -250,12 +255,52 @@ func (c Trydan) CurrentPower() (float64, error) {
return data.ChargePower, err
}
var _ api.PhaseCurrents = (*Trydan)(nil)
// Currents implements the api.PhaseCurrents interface
func (c Trydan) Currents() (float64, float64, float64, error) {
data, err := c.statusG.Get()
if err != nil {
return 0, 0, 0, err
}
if data.phaseMeasurementsUnavailable() {
return 0, 0, 0, api.ErrNotAvailable
}
return data.IntensityMeasureL1, data.IntensityMeasureL2, data.IntensityMeasureL3, nil
}
var _ api.PhaseVoltages = (*Trydan)(nil)
// Voltages implements the api.PhaseVoltages interface
func (c Trydan) Voltages() (float64, float64, float64, error) {
data, err := c.statusG.Get()
if err != nil {
return 0, 0, 0, err
}
if data.phaseMeasurementsUnavailable() {
return 0, 0, 0, api.ErrNotAvailable
}
return data.VoltageMeasureL1, data.VoltageMeasureL2, data.VoltageMeasureL3, nil
}
var _ api.Diagnosis = (*Trydan)(nil)
// Diagnose implements the api.Diagnosis interface
func (c *Trydan) Diagnose() {
data, err := c.statusG.Get()
if err != nil {
fmt.Printf("%#v", data)
return
}
fmt.Printf("\tID:\t%s\n", data.ID)
fmt.Printf("\tFirmware:\t%s\n", data.FirmwareVersion)
fmt.Printf("\tCharge mode:\t%d\n", data.ChargeMode)
fmt.Printf("\tMin current:\t%dA\n", data.MinIntensity)
fmt.Printf("\tMax current:\t%dA\n", data.MaxIntensity)
fmt.Printf("\tContracted power:\t%dW\n", data.ContractedPower)
fmt.Printf("\tDynamic:\t%d\n", data.Dynamic)
fmt.Printf("\tPause dynamic:\t%d\n", data.PauseDynamic)
fmt.Printf("\tDynamic power mode:\t%d\n", data.DynamicPowerMode)
fmt.Printf("\tLocked:\t%d\n", data.Locked)
fmt.Printf("\tSlave error:\t%d\n", data.SlaveError)
}

148
charger/trydan_test.go Normal file
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@ -0,0 +1,148 @@
package charger
import (
"errors"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"github.com/evcc-io/evcc/api"
"github.com/evcc-io/evcc/util/sponsor"
)
// withSponsor authorizes the sponsor-gated Trydan charger for the duration of the test,
// restoring the previous value afterwards so tests don't leak global state between them.
func withSponsor(t *testing.T) {
t.Helper()
orig := sponsor.Subject
sponsor.Subject = "foo"
t.Cleanup(func() { sponsor.Subject = orig })
}
func trydanTestServerWithBody(body string) *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, body)
}))
}
// ChargeState maps directly to api.ChargeStatus, except firmware 2.5.0 keeps it at
// "charging" even after Paused=1, so that specific combination must fall back to StatusB.
func TestTrydanStatus(t *testing.T) {
withSponsor(t)
tests := []struct {
name string
json string
want api.ChargeStatus
wantErr bool
}{
{"not connected", `{"ChargeState":0,"Paused":0}`, api.StatusA, false},
{"connected, not charging", `{"ChargeState":1,"Paused":0}`, api.StatusB, false},
{"charging", `{"ChargeState":2,"Paused":0}`, api.StatusC, false},
// firmware 2.5.0 keeps ChargeState at "charging" even after Paused=1
{"paused mid-session", `{"ChargeState":2,"Paused":1}`, api.StatusB, false},
{"unknown state", `{"ChargeState":9,"Paused":0}`, api.StatusNone, true},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
srv := trydanTestServerWithBody(tc.json)
defer srv.Close()
wb, err := NewTrydan(srv.URL, 0)
if err != nil {
t.Fatal(err)
}
status, err := wb.Status()
if tc.wantErr != (err != nil) {
t.Fatalf("got err %v, wantErr %v", err, tc.wantErr)
}
if status != tc.want {
t.Errorf("got status %v, want %v", status, tc.want)
}
})
}
}
// Currents() must trust a zero reading while idle, but treat it as unavailable
// (older firmware without these fields) whenever real power is flowing, since
// ChargePower>0 with all phases at zero is otherwise physically impossible.
// Voltages() is always unavailable when all phases read zero, since a
// grid-connected charger always sees mains voltage.
func TestTrydanPhaseMeasurementsUnavailable(t *testing.T) {
withSponsor(t)
tests := []struct {
name string
json string
wantUnavailable bool
wantCurrentL1 float64
wantVoltageL1 float64
}{
{
name: "idle, zero current readings are trusted",
json: `{"ChargeState":1,"ChargePower":0,
"IntensityMeasure_L1":0,"IntensityMeasure_L2":0,"IntensityMeasure_L3":0,
"VoltageMeasure_L1":230.2,"VoltageMeasure_L2":229.8,"VoltageMeasure_L3":231.1}`,
wantVoltageL1: 230.2,
},
{
name: "charging but all phases read zero - unsupported firmware",
json: `{"ChargeState":2,"ChargePower":4600,
"IntensityMeasure_L1":0,"IntensityMeasure_L2":0,"IntensityMeasure_L3":0,
"VoltageMeasure_L1":0,"VoltageMeasure_L2":0,"VoltageMeasure_L3":0}`,
wantUnavailable: true,
},
{
name: "charging with real per-phase readings",
json: `{"ChargeState":2,"ChargePower":4600,
"IntensityMeasure_L1":20.5,"IntensityMeasure_L2":0,"IntensityMeasure_L3":0,
"VoltageMeasure_L1":228.1,"VoltageMeasure_L2":0,"VoltageMeasure_L3":0}`,
wantCurrentL1: 20.5,
wantVoltageL1: 228.1,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
srv := trydanTestServerWithBody(tc.json)
defer srv.Close()
wb, err := NewTrydan(srv.URL, 0)
if err != nil {
t.Fatal(err)
}
pc, ok := api.Cap[api.PhaseCurrents](wb)
if !ok {
t.Fatal("missing api.PhaseCurrents")
}
pv, ok := api.Cap[api.PhaseVoltages](wb)
if !ok {
t.Fatal("missing api.PhaseVoltages")
}
i1, _, _, err := pc.Currents()
switch {
case tc.wantUnavailable && !errors.Is(err, api.ErrNotAvailable):
t.Errorf("Currents: got err %v, want ErrNotAvailable", err)
case !tc.wantUnavailable && err != nil:
t.Fatal(err)
case !tc.wantUnavailable && i1 != tc.wantCurrentL1:
t.Errorf("Currents: got L1=%v, want %v", i1, tc.wantCurrentL1)
}
v1, _, _, err := pv.Voltages()
switch {
case tc.wantUnavailable && !errors.Is(err, api.ErrNotAvailable):
t.Errorf("Voltages: got err %v, want ErrNotAvailable", err)
case !tc.wantUnavailable && err != nil:
t.Fatal(err)
case !tc.wantUnavailable && v1 != tc.wantVoltageL1:
t.Errorf("Voltages: got L1=%v, want %v", v1, tc.wantVoltageL1)
}
})
}
}