Add Huawei EMMA (#17338)

templates/definition/meter/huawei-emma.yaml

@@ -0,0 +1,108 @@
+template: huawei-emma
+products:
+  - brand: Huawei
+    description:
+      generic: EMMA
+params:
+  - name: usage
+    choice: ["grid", "pv", "battery"]
+    allinone: true
+  - name: modbus
+    choice: ["tcpip"]
+  - name: capacity
+    advanced: true
+render: |
+  type: custom
+  {{- if eq .usage "grid" }}
+  power:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 31657 # Active power of built-in electric energy sensor
+      type: holding
+      decode: int32
+  energy:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 31679 # Total negative active energy of built-in electric energy sensor
+      type: holding
+      decode: int64
+    scale: 0.01
+  currents:
+  - source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 31651 # Huawei phase A grid current
+      type: holding
+      decode: int32
+    scale: 0.1
+  - source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 31653 # Huawei phase B grid current
+      type: holding
+      decode: int32
+    scale: 0.1
+  - source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 31655 # Huawei phase C grid current
+      type: holding
+      decode: int32
+    scale: 0.1
+  {{- end }}
+  {{- if eq .usage "pv" }}
+  power:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 30354 # Active power
+      type: holding
+      decode: int32
+  energy:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 30344 # E-Total
+      type: holding
+      decode: uint32
+    scale: 0.1
+  {{- end }}
+  {{- if eq .usage "battery" }}
+  power:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 30360
+      type: holding
+      decode: int32nan
+    scale: -1
+  energy:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 30312 # Total discharge
+      type: holding
+      decode: uint32nan
+    scale: 0.01
+  soc:
+    source: modbus
+    id: 0
+    uri: {{ .host }}:{{ .port }}
+    register:
+      address: 30368
+      type: holding
+      decode: uint16nan
+    scale: 0.01
+  capacity: {{ .capacity }} # kWh
+  {{- end }}