Added ESS Battery Life State

multiplus/plugin.py

@@ -220,8 +220,8 @@ class BasePlugin:
         if 33 not in Devices:
             Options = { "Custom": "1;W" }
             Domoticz.Device(Name="Battery Power",          Unit=33, TypeName="Custom", Used=0, Options=Options).Create()
-        #if 34 not in Devices:
-        # ESS Batterylife
+        if 34 not in Devices:
+            Domoticz.Device(Name="ESS Battery Life State", Unit=34, TypeName="Text", Used=0).Create()
 
         return
 
@@ -525,6 +525,7 @@ class BasePlugin:
             Devices[31].Update(1, "0")
             Devices[32].Update(1, "0")
             Devices[33].Update(1, "0")
+            Devices[34].Update(1, "0")
 
         # Grid Power L1
         data = victron.read_holding_registers(820, 1)
@@ -590,6 +591,39 @@ class BasePlugin:
         Domoticz.Debug(" = {}".format(value))
         Devices[33].Update(1, str(value))
 
+        # ESS Battery State
+        data = victron.read_holding_registers(2900, 1)
+        Domoticz.Debug("Data from register 2900: "+str(data))
+        # Unsigned 16
+        decoder = BinaryPayloadDecoder.fromRegisters(data, byteorder=Endian.Big, wordorder=Endian.Big)
+        # Value
+        value = decoder.decode_16bit_int()
+        batterystate = "Unknown?"
+        if value == 0:
+            batterystate = "Unused, Battery Life Disabled"
+        elif value == 1:
+            batterystate = "Restarted"
+        elif value == 2:
+            batterystate = "Self-compsumption"
+        elif value == 3:
+            ratterystate = "Self-compsumption, SoC exceeds 85%"
+        elif value == 4:
+            batterystate = "Self-compsumption, SoC at 100%"
+        elif value == 5:
+            batterystate = "Discharge disabled"
+        elif value == 6:
+            batterystate = "Force Charge"
+        elif value == 7:
+            batterystate = "Sustain"
+        elif value == 9:
+            batterystate = "Keep batteries charged"
+        elif value == 10:
+            batterystate = "Battery Life disabled"
+        elif value == 11:
+            batterystate = "Battery Life disabled (low SoC)"
+        Devices[34].Update(1, str(value)+": "+batterystate)
+        # TODO: add a device to say on battery yes/no
+
 global _plugin
 _plugin = BasePlugin()