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38 lines
1.4 KiB
38 lines
1.4 KiB
3 months ago
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# test_communication.py
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import time
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from core.serial_handler import MatrixSerialPort
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# ==========================================
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# 配置区 (请根据对接文档和你的实际环境修改)
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# ==========================================
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SERIAL_PORT = 'COM3' # Windows下是COMx，麒麟下是 /dev/ttyS0 或 /dev/ttyUSB0
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BAUD_RATE = 9600 # 必须与大屏控制器设置一致
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POWER_ON_COMMAND = "80 74 06 FF FF FF FF FF" # 示例：开机指令 (请替换为文档中的真实指令)
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QUERY_STATUS_COMMAND = "A0 01 00 00 00 00 00 5F" # 示例：查询状态指令
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# ==========================================
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# 执行测试
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# ==========================================
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if __name__ == '__main__':
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# 1. 实例化串口
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# 注意：如果你在麒麟系统上测试，SERIAL_PORT 应该是 "/dev/ttyS0"
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controller = MatrixSerialPort(port=SERIAL_PORT, baudrate=BAUD_RATE)
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# 2. 尝试连接
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if controller.open_connection():
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# 3. 发送“查询状态”指令，验证双向通信
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controller.send_data(QUERY_STATUS_COMMAND)
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# 等待一点点时间让大屏反应
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time.sleep(0.5)
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# 4. 尝试读取反馈 (如果大屏有返回的话)
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# 这里只是一个循环示例，实际读取通常放在单独的线程里
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for _ in range(5):
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controller.read_data()
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time.sleep(0.1)
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# 5. 关闭连接
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controller.close_connection()
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