wangfq
173dd6874f
- 来源: 合宙 LuatOS 官方仓库 air780epm 模块完整代码 - 路径: luatos/air780epm/module/Air780EPM/demo 含官方 demo(含 mqtt/mqtts/socket/uart 等) - 后续: 基于 demo 开发 UART<->MQTT 数据上报功能
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
#!/usr/bin/python3
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# -*- coding: UTF-8 -*-
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import serial, serial.tools.list_ports, sys, argparse
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def find_virtual_port():
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for port in serial.tools.list_ports.comports():
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if port.vid == 0x19d1 and port.pid == 0x0001 and port.location and "x.6" in port.location:
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return port.device
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return None
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# 解析命令行参数
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parser = argparse.ArgumentParser()
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parser.add_argument('-p', '--port', help='串口名称，如COM1或/dev/ttyS0')
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args = parser.parse_args()
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# 确定使用的串口
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port = args.port or find_virtual_port()
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if not port:
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print("错误: 未找到虚拟串口且未指定串口")
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sys.exit(1)
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print(f"使用串口: {port}")
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try:
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with serial.Serial(port, 115200, timeout=1) as ser:
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ser.write(b"#FOTA\n")
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data = ser.read(128)
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if data and data.startswith(b"#FOTA"):
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print("设备响应", data)
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with open("fota_uart.bin", "rb") as f:
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while fdata := f.read(256):
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print("发送升级包数据", len(fdata))
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ser.write(fdata)
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if resp := ser.read(128):
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print("设备响应", resp)
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print("发送完毕,退出")
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else:
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print("设备没响应", data)
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except Exception as e:
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print(f"错误: {e}")
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sys.exit(1) |