Add Fronius Wattpilot (#5772)

charger/wattpilot.go

@@ -0,0 +1,134 @@
+package charger
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/evcc-io/evcc/api"
+	"github.com/evcc-io/evcc/util"
+	wattpilot "github.com/mabunixda/wattpilot"
+)
+
+// Wattpilot charger implementation
+type Wattpilot struct {
+	api *wattpilot.Wattpilot
+}
+
+func init() {
+	registry.Add("wattpilot", NewWattpilotFromConfig)
+}
+
+// NewWattpilotFromConfig creates a wattpilot charger from generic config
+func NewWattpilotFromConfig(other map[string]interface{}) (api.Charger, error) {
+	var cc struct {
+		URI      string
+		Password string
+		Cache    time.Duration
+	}
+
+	if err := util.DecodeOther(other, &cc); err != nil {
+		return nil, err
+	}
+
+	if cc.URI == "" || cc.Password == "" {
+		return nil, errors.New("must have uri and password")
+	}
+
+	return NewWattpilot(cc.URI, cc.Password, cc.Cache)
+}
+
+// NewWattpilot creates Wattpilot charger
+func NewWattpilot(uri, password string, cache time.Duration) (api.Charger, error) {
+	c := &Wattpilot{
+		api: wattpilot.New(uri, password),
+	}
+
+	if _, err := c.api.Connect(); err != nil {
+		return nil, err
+	}
+
+	return c, nil
+}
+
+// Status implements the api.Charger interface
+func (c *Wattpilot) Status() (api.ChargeStatus, error) {
+	car, err := c.api.GetProperty("car")
+	if err != nil {
+		return api.StatusNone, err
+	}
+
+	switch car.(float64) {
+	case 1.0:
+		return api.StatusA, nil
+	case 2.0, 5.0:
+		return api.StatusC, nil
+	case 3.0, 4.0:
+		return api.StatusB, nil
+	default:
+		return api.StatusNone, fmt.Errorf("car unknown result: %d", car)
+	}
+}
+
+// Enabled implements the api.Charger interface
+func (c *Wattpilot) Enabled() (bool, error) {
+	resp, err := c.api.GetProperty("alw")
+	if err != nil {
+		return false, err
+	}
+	return resp.(bool), nil
+}
+
+// Enable implements the api.Charger interface
+func (c *Wattpilot) Enable(enable bool) error {
+	var forceState int
+	if !enable {
+		forceState = 1 // off
+	}
+
+	return c.api.SetProperty("frc", forceState)
+}
+
+// MaxCurrent implements the api.Charger interface
+func (c *Wattpilot) MaxCurrent(current int64) error {
+	return c.api.SetCurrent(float64(current))
+}
+
+var _ api.Meter = (*Wattpilot)(nil)
+
+// CurrentPower implements the api.Meter interface
+func (c *Wattpilot) CurrentPower() (float64, error) {
+	return c.api.GetPower()
+}
+
+var _ api.ChargeRater = (*Wattpilot)(nil)
+
+// ChargedEnergy implements the api.ChargeRater interface
+func (c *Wattpilot) ChargedEnergy() (float64, error) {
+	resp, err := c.api.GetProperty("wh")
+	if err != nil {
+		return 0, err
+	}
+	return resp.(float64) / 1e3, err
+}
+
+var _ api.PhaseCurrents = (*Wattpilot)(nil)
+
+// Currents implements the api.PhaseCurrents interface
+func (c *Wattpilot) Currents() (float64, float64, float64, error) {
+	return c.api.GetCurrents()
+}
+
+var _ api.PhaseVoltages = (*Wattpilot)(nil)
+
+// Currents implements the api.PhaseCurrents interface
+func (c *Wattpilot) Voltages() (float64, float64, float64, error) {
+	return c.api.GetVoltages()
+}
+
+var _ api.Identifier = (*Wattpilot)(nil)
+
+// Identify implements the api.Identifier interface
+func (c *Wattpilot) Identify() (string, error) {
+	return c.api.GetRFID()
+}

go.mod

@@ -62,6 +62,7 @@ require (
 	github.com/libp2p/zeroconf/v2 v2.2.0
 	github.com/lorenzodonini/ocpp-go v0.16.1-0.20220927200117-d4afed542168
 	github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40
+	github.com/mabunixda/wattpilot v1.1.1
 	github.com/manifoldco/promptui v0.9.0
 	github.com/mergermarket/go-pkcs7 v0.0.0-20170926155232-153b18ea13c9
 	github.com/mitchellh/go-homedir v1.1.0

go.sum

@@ -603,6 +603,8 @@ github.com/lorenzodonini/ocpp-go v0.16.1-0.20220927200117-d4afed542168/go.mod h1
 github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40 h1:EnfXoSqDfSNJv0VBNqY/88RNnhSGYkrHaO0mmFGbVsc=
 github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40/go.mod h1:vy1vK6wD6j7xX6O6hXe621WabdtNkou2h7uRtTfRMyg=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
+github.com/mabunixda/wattpilot v1.1.1 h1:ZEzaYp1hHea8MQtQxoZlMzxwZppOUEDiBg45sKBs514=
+github.com/mabunixda/wattpilot v1.1.1/go.mod h1:LiFXIWIV81uAxsazaDFArWOgM4srGxsyBPSmvQVUvjo=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=

templates/definition/charger/wattpilot.yaml

@@ -0,0 +1,24 @@
+template: fronius-wattpilot
+products:
+  - brand: Fronius
+    description:
+      generic: Wattpilot
+capabilities: ["1p3p", "rfid"]
+requirements:
+  description:
+    de: |
+      Benötigt mindestens Firmware 36.3 oder neuer.
+    en: |
+      Requires firmware 36.3 or later.
+  uri: https://docs.evcc.io/docs/devices/chargers#
+params:
+  - name: host
+  - name: password
+render: |
+  type: wattpilot
+  {{ if .host }}
+  uri: {{ .host }}
+  {{ end }}
+  {{ if ne .password "" }}
+  password: {{ .password }}
+  {{ end }}

templates/docs/charger/fronius-wattpilot_0.yaml

@@ -0,0 +1,13 @@
+product:
+  brand: Fronius
+  description: Wattpilot
+capabilities: ["1p3p", "rfid"]
+description: |
+  Benötigt mindestens Firmware 36.3 oder neuer.
+
+render:
+  - default: |
+      type: template
+      template: fronius-wattpilot
+      host: 192.0.2.2 # IP-Adresse oder Hostname
+      password: # Passwort des Benutzerkontos (bei führenden Nullen bitte in einfache Hochkommata setzen) # Optional

templates/evcc.io/brands.json

@@ -16,6 +16,7 @@
   "Elli",
   "Ensto",
   "Etrel",
+  "Fronius",
   "Garo",
   "go-eCharger",
   "HardyBarth",