网关V1，添加批量写

gateway/data_parser.py

@@ -0,0 +1,55 @@
+from struct import unpack
+import time
+
+def parse_data(data, structure):
+    """解析结构化数据"""
+    result = {"raw_data": list(data)}
+    
+    if not structure:
+        return result
+        
+    result["parsed"] = {}
+    for field in structure:
+        offset = field["offset"]
+        name = field["name"]
+        data_type = field["type"]
+        
+        try:
+            if data_type == "int":
+                if offset + 2 > len(data):
+                    raise ValueError("Offset out of bounds")
+                val = unpack(">h", data[offset:offset+2])[0]
+            elif data_type == "dint":
+                if offset + 4 > len(data):
+                    raise ValueError("Offset out of bounds")
+                val = unpack(">l", data[offset:offset+4])[0]
+            elif data_type == "real":
+                if offset + 4 > len(data):
+                    raise ValueError("Offset out of bounds")
+                val = unpack(">f", data[offset:offset+4])[0]
+            elif data_type == "bool":
+                bit = field.get("bit", 0)
+                if offset >= len(data):
+                    raise ValueError("Offset out of bounds")
+                byte = data[offset]
+                val = bool((byte >> bit) & 1)
+            elif data_type == "byte":
+                if offset >= len(data):
+                    raise ValueError("Offset out of bounds")
+                val = data[offset]
+            elif data_type == "word":
+                if offset + 2 > len(data):
+                    raise ValueError("Offset out of bounds")
+                val = (data[offset] << 8) | data[offset + 1]
+            elif data_type == "dword":
+                if offset + 4 > len(data):
+                    raise ValueError("Offset out of bounds")
+                val = (data[offset] << 24) | (data[offset+1] << 16) | (data[offset+2] << 8) | data[offset+3]
+            else:
+                val = f"Unknown type: {data_type}"
+                
+            result["parsed"][name] = val
+        except Exception as e:
+            result["parsed"][name] = f"Error: {str(e)}"
+    
+    return result