USB VID PID 查询:http://www.linux-usb.org/usb.ids 说明: USB设备中有VID何PID,分别表示此USB设备是哪个厂商的哪种设备. 一个USB的VID对应一个USB设备厂商,是必须到USB官方注册才能用此VID的. 所以USB官网上,可以查询到对应的VID,其中也包含了一些常用的VID. 一些遇到过的例子: 1.Silicon Labs的CP210x USB to UART的VID=0x10C4,PID=0xEA60 去确认CP210x UART B
After you read previous article, you might know how to operate a com port in Windows. But that example requires programmer (or user, if you modified that example being able to support inputting command line) to set a com port number, it is not con
1.开启进程的两种方式 方式一: from multiprocessing import Process import time def task(name): print('%s is running' %name) time.sleep(3) print('%s is done' %name) if __name__ == '__main__': # Process(target=task,kwargs={'name':'子进程1'}) p = Process(target=task,arg