如果我删除条形码阅读器,usb_OnDeviceRemoved就会被调用(它会跟踪所有usb设备),在插入- usb_OnDeviceArrived之后,在调用usb_OnSpecifiedDeviceArrived+= new System.EventHandler(this.usb_OnSpecifiedDeviceRemoved);
this.usb.OnDeviceArrived+= new System.EventHandler(this.<em
[ 2.020547] usb 2-1.2: New USB device found, idVendor=046d, idProduct=c404 [ 3.790112] usb 2-1.2: USB disconnect, device number 4
[ 3.924089] usb 2-1.2: new low-speed2-1.2: new low-speed USB de
我一直在遵循这里的指导,为了连接到usb设备,以Android手机为主机。从下面的段落中,我相信,只要我正确地为USB_Device_Attached操作设置了一个意图过滤器,并且为我的设备设置了一个过滤器--我应该已经拥有了连接到它所需的所有权限。Note: If your application uses an intent filter to discover USB devices as they're connected, it automatically设备
弹出询问我是否想打开我的应用程序来使用这个USB
从正确的功能排列:from usb.core import findimport usb.backend.libusb1if type_USB == 3:
USB_info = [s for s in string_splited if "USB Optical Mouse" in s]文件"/home/joy/f