USB驱动芯片sl811h的驱动程序，很完整，效果不错，值得参考-USB driver chips sl811h of the driver, complete, effective, and worthy of reference

ARM+SL811h.rar,包含所有固件程序和源码。-ARM SL811h.rar, including all firmware procedures and code.

利用单片机arm加sl811芯片实现对u盘读写的控制，代码仅供大家参考，如有不对之处，敬请谅解

SL811H的驱动，实现USB Host功能，Slave功能没有实现。此驱动已经测试过，速度在每秒20KB以上，速度主要与硬件条件有关。-SL811H drive to achieve USB Host function, Slave function did not materialize. This driver has been tested, the speed of 20KB per second more than the speed of the main and hardware