Shelly: Enable Pro 3EM in monophase mode (evcc-io#17219)

meter/shelly/connection.go

@@ -19,6 +19,8 @@ type Connection struct {
 	channel    int
 	gen        int    // Shelly api generation
 	devicetype string // Shelly device type
+	app        string // Shelly device app code
+	profile    string // Shelly device profile
 }
 
 // NewConnection creates a new Shelly device connection.
@@ -45,6 +47,8 @@ func NewConnection(uri, user, password string, channel int) (*Connection, error)
 		channel:    channel,
 		gen:        resp.Gen,
 		devicetype: resp.Type,
+		app:        resp.App,
+		profile:    resp.Profile,
 	}
 
 	conn.Client.Transport = request.NewTripper(log, transport.Insecure())

meter/shelly/switch.go

@@ -42,18 +42,25 @@ func (sh *Switch) CurrentPower() (float64, error) {
 		}
 
 	default:
+		var resem Gen2EmStatusResponse
 		var res Gen2StatusResponse
-		if err := d.execGen2Cmd("Shelly.GetStatus", false, &res); err != nil {
-			return 0, err
+		if d.app == "Pro3EM" && d.profile == "monophase" {
+			if err := d.execGen2Cmd("Shelly.GetStatus", false, &resem); err != nil {
+				return 0, err
+			}
+		} else {
+			if err := d.execGen2Cmd("Shelly.GetStatus", false, &res); err != nil {
+				return 0, err
+			}
 		}
 
 		switch d.channel {
 		case 1:
-			power = res.Switch1.Apower + res.Pm1.Apower
+			power = res.Switch1.Apower + res.Pm1.Apower + resem.Em1.ActPower
 		case 2:
-			power = res.Switch2.Apower + res.Pm2.Apower
+			power = res.Switch2.Apower + res.Pm2.Apower + resem.Em2.ActPower
 		default:
-			power = res.Switch0.Apower + res.Pm0.Apower
+			power = res.Switch0.Apower + res.Pm0.Apower + resem.Em0.ActPower
 		}
 	}
 
@@ -123,18 +130,25 @@ func (sh *Switch) TotalEnergy() (float64, error) {
 		energy = gen1Energy(d.devicetype, energy)
 
 	default:
+		var resem Gen2EmStatusResponse
 		var res Gen2StatusResponse
-		if err := d.execGen2Cmd("Shelly.GetStatus", false, &res); err != nil {
-			return 0, err
+		if d.app == "Pro3EM" && d.profile == "monophase" {
+			if err := d.execGen2Cmd("Shelly.GetStatus", false, &resem); err != nil {
+				return 0, err
+			}
+		} else {
+			if err := d.execGen2Cmd("Shelly.GetStatus", false, &res); err != nil {
+				return 0, err
+			}
 		}
 
 		switch d.channel {
 		case 1:
-			energy = res.Switch1.Aenergy.Total + res.Pm1.Aenergy.Total
+			energy = res.Switch1.Aenergy.Total + res.Pm1.Aenergy.Total + resem.Em1Data.TotalActEnergy - resem.Em1Data.TotalActRetEnergy
 		case 2:
-			energy = res.Switch2.Aenergy.Total + res.Pm2.Aenergy.Total
+			energy = res.Switch2.Aenergy.Total + res.Pm2.Aenergy.Total + resem.Em2Data.TotalActEnergy - resem.Em2Data.TotalActRetEnergy
 		default:
-			energy = res.Switch0.Aenergy.Total + res.Pm0.Aenergy.Total
+			energy = res.Switch0.Aenergy.Total + res.Pm0.Aenergy.Total + resem.Em0Data.TotalActEnergy - resem.Em0Data.TotalActRetEnergy
 		}
 	}
 

meter/shelly/types.go

@@ -8,9 +8,11 @@ type DeviceInfo struct {
 	Model     string `json:"model"`
 	Type      string `json:"type"`
 	Mac       string `json:"mac"`
+	App       string `json:"app"`
 	Auth      bool   `json:"auth"`
 	AuthEn    bool   `json:"auth_en"`
 	NumMeters int    `json:"num_meters"`
+	Profile   string `json:"profile"`
 }
 
 type Gen2RpcPost struct {
@@ -40,17 +42,34 @@ type Gen2StatusResponse struct {
 	Pm2     Gen2Switch `json:"pm3:2"`
 }
 
+type Gen2Em struct {
+	Current  float64 `json:"current"`
+	Voltage  float64 `json:"voltage"`
+	ActPower float64 `json:"act_power"`
+}
+
+type Gen2EmData struct {
+	TotalActEnergy    float64 `json:"total_act_energy"`
+	TotalActRetEnergy float64 `json:"total_act_ret_energy"`
+}
+
 type Gen2EmStatusResponse struct {
-	TotalPower float64 `json:"total_act_power"`
-	CurrentA   float64 `json:"a_current"`
-	CurrentB   float64 `json:"b_current"`
-	CurrentC   float64 `json:"c_current"`
-	VoltageA   float64 `json:"a_voltage"`
-	VoltageB   float64 `json:"b_voltage"`
-	VoltageC   float64 `json:"c_voltage"`
-	PowerA     float64 `json:"a_act_power"`
-	PowerB     float64 `json:"b_act_power"`
-	PowerC     float64 `json:"c_act_power"`
+	TotalPower float64    `json:"total_act_power"`
+	CurrentA   float64    `json:"a_current"`
+	CurrentB   float64    `json:"b_current"`
+	CurrentC   float64    `json:"c_current"`
+	VoltageA   float64    `json:"a_voltage"`
+	VoltageB   float64    `json:"b_voltage"`
+	VoltageC   float64    `json:"c_voltage"`
+	PowerA     float64    `json:"a_act_power"`
+	PowerB     float64    `json:"b_act_power"`
+	PowerC     float64    `json:"c_act_power"`
+	Em0        Gen2Em     `json:"em1:0"`
+	Em1        Gen2Em     `json:"em1:1"`
+	Em2        Gen2Em     `json:"em1:2"`
+	Em0Data    Gen2EmData `json:"em1data:0"`
+	Em1Data    Gen2EmData `json:"em1data:1"`
+	Em2Data    Gen2EmData `json:"em1data:2"`
 }
 
 type Gen2EmDataStatusResponse struct {

meter/shelly/types_test.go

@@ -67,4 +67,44 @@ func TestUnmarshalGen2StatusResponse(t *testing.T) {
 		assert.Equal(t, 3551.682, res.Pm0.Aenergy.Total)
 		assert.Equal(t, 1780.1, res.Pm0.Apower)
 	}
+
+	{
+		// Shelly Pro 3EM
+		var res Gen2EmStatusResponse
+
+		jsonstr := `{"ble":{},"bthome":{"errors":["bluetooth_disabled"]},"cloud":{"connected":true},"em1:0":{"id":0,"current":3.705,"voltage":242.8,"act_power":598.9,"aprt_power":900.6,"pf":0.66,"freq":50.0,"calibration":"factory"},"em1:1":{"id":1,"current":0.194,"voltage":242.8,"act_power":0.0,"aprt_power":47.2,"pf":0.00,"freq":50.0,"calibration":"factory"},"em1:2":{"id":2,"current":0.027,"voltage":242.8,"act_power":0.0,"aprt_power":6.6,"pf":0.00,"freq":50.0,"calibration":"factory"},"em1data:0":{"id":0,"total_act_energy":3458.24,"total_act_ret_energy":1605.24},"em1data:1":{"id":1,"total_act_energy":2768.67,"total_act_ret_energy":25.49},"em1data:2":{"id":2,"total_act_energy":3.09,"total_act_ret_energy":0.71},"eth":{"ip":null},"modbus":{},"mqtt":{"connected":false},"sys":{"mac":"FCE8C0DBA850","restart_required":false,"time":"19:46","unixtime":1731404780,"uptime":563,"ram_size":247148,"ram_free":110596,"fs_size":524288,"fs_free":176128,"cfg_rev":21,"kvs_rev":0,"schedule_rev":3,"webhook_rev":1,"available_updates":{},"reset_reason":3},"temperature:0":{"id": 0,"tC":39.0, "tF":102.2},"wifi":{"sta_ip":"192.168.40.174","status":"got ip","ssid":"IoT","rssi":-67},"ws":{"connected":false}}`
+		require.NoError(t, json.Unmarshal([]byte(jsonstr), &res))
+		// Channel 0 (1)
+		assert.Equal(t, 598.9, res.Em0.ActPower)
+		assert.Equal(t, 3.705, res.Em0.Current)
+		assert.Equal(t, 242.8, res.Em0.Voltage)
+		assert.Equal(t, 3458.24, res.Em0Data.TotalActEnergy)
+		assert.Equal(t, 1605.24, res.Em0Data.TotalActRetEnergy)
+		// Channel 1 (2)
+		assert.Equal(t, 0.0, res.Em1.ActPower)
+		assert.Equal(t, 0.194, res.Em1.Current)
+		assert.Equal(t, 242.8, res.Em1.Voltage)
+		assert.Equal(t, 2768.67, res.Em1Data.TotalActEnergy)
+		assert.Equal(t, 25.49, res.Em1Data.TotalActRetEnergy)
+		// Channel 2 (3)
+		assert.Equal(t, 0.0, res.Em2.ActPower)
+		assert.Equal(t, 0.027, res.Em2.Current)
+		assert.Equal(t, 242.8, res.Em2.Voltage)
+		assert.Equal(t, 3.09, res.Em2Data.TotalActEnergy)
+		assert.Equal(t, 0.71, res.Em2Data.TotalActRetEnergy)
+	}
+}
+
+// Test Shelly device info
+func TestUnmarshalDeviceInfoResponse(t *testing.T) {
+	{
+		// Shelly Pro 3EM
+		var res DeviceInfo
+
+		jsonstr := `{"name":null,"id":"shellypro3em-fce8c0dba900","mac":"FCE8C0DBA900","slot":1,"model":"SPEM-003CEBEU","gen":2,"fw_id":"20241011-114455/1.4.4-g6d2a586","ver":"1.4.4","app":"Pro3EM","auth_en":false,"auth_domain":null,"profile":"monophase"}`
+		require.NoError(t, json.Unmarshal([]byte(jsonstr), &res))
+
+		assert.Equal(t, "Pro3EM", res.App)
+		assert.Equal(t, "monophase", res.Profile)
+	}
 }

templates/definition/meter/shelly-1pm.yaml

@@ -2,11 +2,11 @@ template: shelly-1pm
 products:
   - brand: Shelly
     description:
-      generic: 1PM, EM, Plug S
+      generic: 1PM, EM, Plug S, Pro 3EM in monophase mode
 group: switchsockets
 params:
   - name: usage
-    choice: ["pv", "charge"]
+    choice: ["grid", "pv", "charge"]
   - name: host
   - name: user
   - name: password