32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
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import serial
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import time
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# UART配置
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uart_port = '/dev/ttyS5' # UART端口路径
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baud_rate = 115200 # 波特率
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try:
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# 初始化串口连接
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ser = serial.Serial(uart_port, baud_rate, timeout=1)
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print("UART初始化成功，开始读取数据...")
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while True:
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# 尝试读取一行数据
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data = ser.readline().decode('utf-8').strip() # 读取一行并解码
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if data: # 如果读取到数据
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try:
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num = int(data) # 尝试将读取的数据转换为整数
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print(f"接收到的数字: {num}")
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except ValueError: # 如果转换失败，说明不是有效的数字
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print("接收到的数据无法转换为数字")
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time.sleep(1) # 每隔一秒检查一次新数据
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except KeyboardInterrupt:
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print("程序被中断，正在关闭UART连接...")
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ser.close()
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print("UART连接已关闭。")
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except Exception as e:
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print(f"发生错误: {e}")
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if 'ser' in locals():
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ser.close()
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