import socket
import time
from protocol import build_frame

SERVER_IP = '127.0.0.1'
SERVER_PORT = 9000

DEVICE_ID = 10000052  # 每个设备改这个

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.connect((SERVER_IP, SERVER_PORT))
    print(f"[DEVICE {DEVICE_ID}] connected")

    while True:
        # 发送心跳
        hb = build_frame(0x00, DEVICE_ID)
        s.sendall(hb)

        # 接收控制指令
        s.settimeout(1)
        try:
            data = s.recv(1024)
            if data and data[8] == 0xA0:
                print(f"[DEVICE {DEVICE_ID}] recv A0:", data.hex(' '))
                # 这里执行你的 IO / GPIO
        except socket.timeout:
            pass

        time.sleep(3)