通用串行总线
基本上,使用 lsmod 时,发现有 O|U|HCI 之类的模块时,那就表示 Linux 主机已经载入 USB 驱动程序了。如果有键盘、鼠标、摇杆等 USB 设备,还需要 USB Human Interface Device (HID) 模块。
协议 and 接口
协议(Standard)
USB 1.0 1996 --------------------------+ USB 1.1 1998 --------------------------+------------------- 1.5 Mbit/s & 12 Mbit/s USB 2.0 2001 --------------------------+ USB 2.0 Revised -----------------------+------------------- 480 Mbit/s USB 3.0 2008 ---------------------------------------------- 5 Gbit/s USB 3.1 2013 ---------------------------------------------- 10 Gbit/s USB 3.2 2017 ---------------------------------------------- 20 Gbit/s USB 4 2019 ------------------------------------------------ 40 Gbit/s USB 4 v2.0 2022 ------------------------------------------- 80 Gbit/s
接口(Connector)
USB 1.0 and USB 1.1
USB 2.0 and USB 2.0 Revised
USB 3.0 and USB 3.1
USB 3.2
USB 1.0, USB 1.1, USB 2.0, USB 2.0 Revised
USB 3.0 and USB 3.1
USB 3.2