Update workstation code for YB4 0107

fix_datatype.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import re
+
+filepath = r'd:\UniLab\Uni-Lab-OS\unilabos\device_comms\modbus_plc\modbus.py'
+
+with open(filepath, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+# Replace the DataType placeholder with actual enum
+find_pattern = r'# DataType will be accessed via client instance.*?DataType = None  # Placeholder.*?\n'
+replacement = '''# Define DataType enum for pymodbus 2.5.3 compatibility
+class DataType(Enum):
+    INT16 = "int16"
+    UINT16 = "uint16"
+    INT32 = "int32"
+    UINT32 = "uint32"
+    INT64 = "int64"
+    UINT64 = "uint64"
+    FLOAT32 = "float32"
+    FLOAT64 = "float64"
+    STRING = "string"
+    BOOL = "bool"
+
+'''
+
+new_content = re.sub(find_pattern, replacement, content, flags=re.DOTALL)
+
+with open(filepath, 'w', encoding='utf-8') as f:
+    f.write(new_content)
+
+print('File updated successfully!')