USB学习总结2—USB host设备驱动实现（U盘、鼠标）

一、U盘

1 打开热插拔

Genernal setting

–> [*]configure standard kernel feature(for small)

-> [*]support for hot-pluggable device

2 U盘属于scsi设备，因此还需要加入scsi驱动

device driver

->[*] scsi devicesupport

->[*] scsi disk support

              ->[*]scsi devicesupport

              ->[*]scsi genericsupport

3 usb支持

Device driver

->[*] usb support

->[*] support for host-side usb

              ->[*]usb devicefilesystem

              ->[*]usb massstorage driver

              ->[*]OHCI HCDsupport