Deye: simplify curtailment scaling (#32798)

templates/definition/meter/deye-hybrid-3p.yaml

@@ -284,34 +284,22 @@ render: |
   # "Solar Sell" (register 145) is the owner's export on/off switch and left untouched.
   # HV models use 10 W units for register 143 (LV: 1 W).
   curtail: # limit feed-in to the given percent of nominal (100 % = nominal power)
-    source: go
-    in:
-      - name: maxacpower
-        type: int
-        config:
-          source: const
-          value: {{ .maxacpower }}
-    script: |
-      powerlimit := ( maxacpower * curtail ) / 100
-      powerlimit
-    out:
-      - name: powerlimit
-        type: int
-        config:
-          source: modbus
-          {{- include "modbus" . | indent 8 }}
-          register:
-            address: 143 # Max Sell Power (W)
-            type: writemultiple
-            decode: uint16
-          {{- if eq .batterytype "hv" }}
-          scale: 0.1
-          {{- end }}
+    source: modbus
+    {{- include "modbus" . | indent 2 }}
+    register:
+      address: 143 # Max Sell Power (W)
+      type: writemultiple
+      decode: uint16
+    {{- if eq .batterytype "hv" }}
+    scale: {{ divf (maxf .maxacpower 1) 1000 }} # % to 10 W units
+    {{- else }}
+    scale: {{ divf (maxf .maxacpower 1) 100 }} # % to W
+    {{- end }}
   curtailed: # allowed feed-in as percent of nominal, derived from Max Sell Power
     source: go
     in:
       - name: limit
-        type: int
+        type: float
         config:
           source: modbus
           {{- include "modbus" . | indent 8 }}
@@ -322,18 +310,13 @@ render: |
           {{- if eq .batterytype "hv" }}
           scale: 10
           {{- end }}
-      - name: maxacpower
-        type: int
-        config:
-          source: const
-          value: {{ .maxacpower }}
     script: |
-      percent := 100
-      if maxacpower > 0 && limit < maxacpower {
-        // round, the watt conversion does not reproduce the written percent exactly
-        percent = (limit*100 + maxacpower/2) / maxacpower
+      // round, the watt conversion does not reproduce the written percent exactly
+      p := int(limit*100/{{ maxf .maxacpower 1 }} + 0.5)
+      if p > 100 {
+        p = 100
       }
-      percent
+      p
   {{- end }}
   {{- if eq .usage "battery" }}
   power: