add multiplication function

custom_components/solarman/inverter_definitions/deye_2mppt.yaml

@@ -392,3 +392,21 @@ parameters:
       - key: 1
         value: "Enabled"
       icon: 'mdi:factory'
+
+    - name: "PV1 Power"
+      class: "power"
+      state_class: "measurement"
+      uom: "W"     
+      scale: 10
+      rule: 11                      
+      registers: [0x006D, 0x006E]
+      icon: 'mdi:solar-power'
+
+    - name: "PV2 Power"
+      class: "power"              
+      state_class: "measurement"
+      uom: "W"      
+      scale: 10
+      rule: 11                          
+      registers: [0x006F, 0x0070]
+      icon: 'mdi:solar-power'

custom_components/solarman/parser.py

@@ -38,6 +38,8 @@ def try_parse_field (self, rawData, definition, start, length):
             self.try_parse_time(rawData,definition, start, length)
         elif rule == 10:
             self.try_parse_raw(rawData,definition, start, length)
+        elif rule == 11:
+            self.try_parse_multipl(rawData,definition, start, length)
         return
 
     def do_validate(self, title, value, rule):
@@ -190,6 +192,22 @@ def try_parse_raw (self, rawData, definition, start, length):
         if found:
             self.result[title] = value
         return
+
+    def try_parse_multipl (self, rawData, definition, start, length):
+        title = definition['name']
+        value = definition['scale'] if 'scale' in definition else 1
+        found = True
+        for r in definition['registers']:
+            index = r - start   # get the decimal value of the register'
+            if (index >= 0) and (index < length):
+                temp = rawData[index]
+                value = value * temp
+            else:   
+                found = False
+
+        if found:
+            self.result[title] = value
+        return
 
     def try_parse_version (self, rawData, definition, start, length):
         title = definition['name']         

customization.md

@@ -125,4 +125,4 @@ The `rule` field specifies how to interpret the binary data contained in the reg
 |    8   | Date Time             |                                                                                                                        |
 |    9   | Time                  | Time value as string<ul><li>Example 1: Register Value 2200 => Time Value: 22:00</li><li>Example 2: Register value: 400 => 04:00</li></ul>|
 |   10   | Raw                   | Similar to Bit field without hex conversion. Useful where you need to read multiple  registers atomically              |
-
+|	11	 | Multiplication		 | Multiplicate all elements																							  |