首次提交完整的python工程代码

protocol/b_frame.py

@@ -0,0 +1,7 @@
+import struct
+
+def build_b_frame(data_id: int, processed_values: list[float]) -> bytes:
+    payload = b''.join(struct.pack('>d', v) for v in processed_values)
+    data_len = len(payload)
+    frame = struct.pack('>II', data_id, data_len) + payload
+    return frame