improvement: Automatically build polling commands basing on the fields

custom_components/bluetti_bt/bluetti_bt_lib/devices/ep500p.py

@@ -34,6 +34,7 @@ class EP500P(ProtocolV1Device):
         self.struct.add_decimal_field("pack_voltage", 98, 2)  # Full pack voltage
         self.struct.add_uint_field("pack_battery_percent", 99)
         self.struct.add_decimal_array_field("cell_voltages", 105, 16, 2)  # internal
+        self.struct.add_version_field("pack_bms_version", 201)
 
         # Controls
         self.struct.add_enum_field("ups_mode", 3001, UpsMode)
@@ -49,17 +50,9 @@ class EP500P(ProtocolV1Device):
 
     @property
     def polling_commands(self) -> List[ReadHoldingRegisters]:
-        return super().polling_commands + [
-            ReadHoldingRegisters(70, 11),
-            ReadHoldingRegisters(86, 3),
-            ReadHoldingRegisters(92, 1),
-            ReadHoldingRegisters(3001, 1),
-            ReadHoldingRegisters(3004, 2),
-            ReadHoldingRegisters(3011, 1),
-            ReadHoldingRegisters(3013, 1),
-            ReadHoldingRegisters(3015, 2),
-            ReadHoldingRegisters(3061, 1),
-        ]
+        return self.struct.get_read_holding_registers(
+            filter=lambda address: address <= 90 or address >= 256 # pack_polling_commands
+        )
 
     @property
     def writable_ranges(self) -> List[range]:
@@ -71,8 +64,6 @@ class EP500P(ProtocolV1Device):
     @property
     def pack_polling_commands(self) -> List[ReadHoldingRegisters]:
         return [
-            ReadHoldingRegisters(91, 2),
-            ReadHoldingRegisters(96, 1),
-            ReadHoldingRegisters(98, 2),
-            ReadHoldingRegisters(105, 16),
+            ReadHoldingRegisters(91, 37),
+            ReadHoldingRegisters(201, 2),
         ]