Sunspec: refactor model selection (#11933)

evcc-io · Feb 8, 2024 · 49bf1e6 · 49bf1e6
1 parent fcfceb4
commit 49bf1e6
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Showing 6 changed files with 193 additions and 123 deletions.
diff --git a/provider/modbus_sunspec.go b/provider/modbus_sunspec.go
@@ -31,7 +31,7 @@ func init() {
 func NewModbusSunspecFromConfig(other map[string]interface{}) (Provider, error) {
 	cc := struct {
 		modbus.Settings `mapstructure:",squash"`
-		Value           string
+		Value           []string
 		Scale           float64
 		Delay           time.Duration
 		ConnectDelay    time.Duration
@@ -67,7 +67,7 @@ func NewModbusSunspecFromConfig(other map[string]interface{}) (Provider, error)
 	log := util.NewLogger("sunspec")
 	conn.Logger(log.TRACE)
 
-	if cc.Value == "" {
+	if len(cc.Value) == 0 {
 		return nil, errors.New("value is required")
 	}
 
@@ -77,9 +77,13 @@ func NewModbusSunspecFromConfig(other map[string]interface{}) (Provider, error)
 		return nil, err
 	}
 
-	ops, err := modbus.ParsePoint(cc.Value)
-	if err != nil {
-		return nil, fmt.Errorf("invalid sunspec value: %s", cc.Value)
+	var ops []modbus.SunSpecOperation
+	for _, val := range cc.Value {
+		op, err := modbus.ParsePoint(val)
+		if err != nil {
+			return nil, fmt.Errorf("invalid sunspec value: %s", cc.Value)
+		}
+		ops = append(ops, op)
 	}
 
 	mb := &ModbusSunspec{

diff --git a/templates/definition/meter/sunspec-hybrid.yaml b/templates/definition/meter/sunspec-hybrid.yaml
@@ -15,59 +15,104 @@ params:
     advanced: true
 render: |
   {{- if eq .usage "grid" }}
-  type: mbmd
-  {{- include "modbus" . }}
+  type: custom
   # sunspec model 203 (int+sf)/ 213 (float) meter
-  power: 203|213:W
-  energy: 203|213:TotWhImp
+  power:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value: 
+      - 203:W
+      - 213:W
+  energy:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value: 
+      - 203:TotWhImp
+      - 213:TotWhImp
   currents:
-    - 203|213:AphA
-    - 203|213:AphB
-    - 203|213:AphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphA
+        - 213:AphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphB
+        - 213:AphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphC
+        - 213:AphC
   voltages:
-    - 203|213:PhVphA
-    - 203|213:PhVphB
-    - 203|213:PhVphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphA
+        - 213:PhVphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphB
+        - 213:PhVphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphC
+        - 213:PhVphC
   powers:
-    - 203|213:WphA
-    - 203|213:WphB
-    - 203|213:WphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphA
+        - 213:WphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphB
+        - 213:WphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphC
+        - 213:WphC
   {{- end }}
   {{- if eq .usage "pv" }}
   type: custom
   power:
     source: calc
     add:
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:1:DCW # mppt 1
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:2:DCW # mppt 2
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:1:DCW # mppt 1
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:2:DCW # mppt 2
   energy:
     source: calc
     add:
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:1:DCWH # mppt 1
-      scale: 0.001
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:2:DCWH # mppt 2
-      scale: 0.001
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:1:DCWH # mppt 1
+        scale: 0.001
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:2:DCWH # mppt 2
+        scale: 0.001
   {{- end }}
   {{- if eq .usage "battery" }}
   type: custom
   power:
     source: calc
     add:
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:3:DCW # mppt 3 (charge)
-      scale: -1
-    - source: sunspec
-      {{- include "modbus" . | indent 4 }}
-      value: 160:4:DCW # mppt 4 (discharge)
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:3:DCW # mppt 3 (charge)
+        scale: -1
+      - source: sunspec
+        {{- include "modbus" . | indent 6 }}
+        value: 160:4:DCW # mppt 4 (discharge)
   energy:
     source: sunspec
     {{- include "modbus" . | indent 2 }}
@@ -76,8 +121,8 @@ render: |
   soc:
     source: sunspec
     {{- include "modbus" . | indent 2 }}
-    value: 124:ChaState
-  {{- if .capacity }}
+    value:
+      - 124:ChaState
+      - 802:SoC
   capacity: {{ .capacity }} # kWh
   {{- end }}
-  {{- end }}
diff --git a/templates/definition/meter/sunspec-inverter.yaml b/templates/definition/meter/sunspec-inverter.yaml
@@ -9,63 +9,96 @@ params:
     choice: ["grid", "pv", "battery"]
   - name: modbus
     choice: ["tcpip", "rs485"]
-  - name: integer
-    description:
-      de: Integer Registerzugriff (nur für Netzzähler)
-      en: Integer register access (grid meter only)
-    help:
-      de: Einstellung Float/Integer im Wechselrichter überprüfen
-      en: Verify Float/Integer setting in inverter
-    advanced: true
-    type: bool
   - name: capacity
     advanced: true
 render: |
-  type: mbmd
-  {{- include "modbus" . }}
   {{- if eq .usage "grid" }}
-  model: sunspec
-  {{- if eq .integer "true" }}
-  # sunspec model 203 (int+sf) meter
-  power: 203:W
-  energy: 203:TotWhImp
-  currents:
-    - 203:AphA
-    - 203:AphB
-    - 203:AphC
-  voltages:
-    - 203:PhVphA
-    - 203:PhVphB
-    - 203:PhVphC
-  powers:
-    - 203:WphA
-    - 203:WphB
-    - 203:WphC
-  {{ else }}
-  # sunspec model 213 (float) meter
-  power: 213:W
-  energy: 213:TotWhImp
+  type: custom
+  # sunspec model 203 (int+sf)/ 213 (float) meter
+  power:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value: 
+      - 203:W
+      - 213:W
+  energy:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value: 
+      - 203:TotWhImp
+      - 213:TotWhImp
   currents:
-    - 213:AphA
-    - 213:AphB
-    - 213:AphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphA
+        - 213:AphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphB
+        - 213:AphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:AphC
+        - 213:AphC
   voltages:
-    - 213:PhVphA
-    - 213:PhVphB
-    - 213:PhVphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphA
+        - 213:PhVphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphB
+        - 213:PhVphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:PhVphC
+        - 213:PhVphC
   powers:
-    - 213:WphA
-    - 213:WphB
-    - 213:WphC
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphA
+        - 213:WphA
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphB
+        - 213:WphB
+    - source: sunspec
+      {{- include "modbus" . | indent 4 }}
+      value: 
+        - 203:WphC
+        - 213:WphC
+  {{- end }}
+  {{- if eq .usage "pv" }}
+  type: custom
+  power:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value:
+      - 101:W
+      - 103:W
+  energy:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value:
+      - 101:WH
+      - 103:WH
+    scale: 0.001
   {{- end }}
-  {{- else }}
-  model: sunspec
-  power: Power
-  energy: Export
   {{- if eq .usage "battery" }}
-  soc: 124:ChaState
-  {{- if .capacity }}
+  type: custom
+  soc:
+    source: sunspec
+    {{- include "modbus" . | indent 2 }}
+    value:
+      - 124:ChaState
+      - 802:SoC
   capacity: {{ .capacity }} # kWh
   {{- end }}
-  {{- end }}  
-  {{- end }}
diff --git a/util/modbus/mbmd.go b/util/modbus/mbmd.go
@@ -21,11 +21,9 @@ func ParseOperation(dev meters.Device, measurement string) (Operation, error) {
 	// if measurement cannot be parsed it could be SunSpec model/block/point
 	op.MBMD.IEC61850, err = meters.MeasurementString(measurement)
 	if err != nil {
-		suns, err := ParsePoint(measurement)
-		if err == nil {
-			op.SunSpec = suns[0]
+		if op.SunSpec, err = ParsePoint(measurement); err != nil {
+			return op, err
 		}
-		return op, err
 	}
 
 	// for RS485 check if producer supports the measurement

diff --git a/util/modbus/modbus_test.go b/util/modbus/modbus_test.go
@@ -9,11 +9,10 @@ import (
 func TestParsePoint(t *testing.T) {
 	tc := []struct {
 		in  string
-		ops []SunSpecOperation
+		ops SunSpecOperation
 	}{
-		{"103:W", []SunSpecOperation{{103, 0, "W"}}},
-		{"802:1:V", []SunSpecOperation{{802, 1, "V"}}},
-		{"101|103:DCW", []SunSpecOperation{{101, 0, "DCW"}, {103, 0, "DCW"}}},
+		{"103:W", SunSpecOperation{103, 0, "W"}},
+		{"802:1:V", SunSpecOperation{802, 1, "V"}},
 	}
 
 	for _, tc := range tc {