Barack Obama: First African-American President (2009 – 2017)
Link: https://www.youtube.com/watch?vwHCBI3yypmE&listPLybg94GvOJ9E-ZM1U6PAjgPUmz-V4-Yja&index44 Introduction
Barack Obama made history as the first African-American elected to the pre…
Linux 内核源码:include\linux\usb.h
Linux 内核源码:drivers\hid\usbhid\usbmouse.c 1. BUS/DEV/DRV 模型 "USB 接口"是逻辑上的 USB 设备,编写的 usb_driver 驱动程序,支持的是"USB 接口": US…