hi David: 2014-08-15 20:54 GMT+08:00 David Laight <David.Laight@xxxxxxxxxx>: > From: loody >> Is there any test program we can use to capture input data send from >> usb keyboard/mouse? > > google usbmon Sorry for making you confused. What I need is not monitor usb bus data. What I need is some user mode program, and when I execute it, it will driver usb HID keyboard/mouse to work. And I can print out the hex value those device send once user press any key on keyboard or moving mouse around. It should be like I think hid_device=hid_open(xxx); while(1){ data = get input data(hid_device); printf("0x%x\n",data); } Appreciate your kind help, -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html