USB HOST ,赛普拉萨 SL811 对应的弹片机驱动程序

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

使用SL811+8051平台实现的USB HOST测试仪器，可以测试各种USB 设备的，支持最多2级HUB，带LCD显示屏，已经被大量生成使用；使用C语言开发，方便移植到 主流STM32F 平台。(USB HOST testing instrument using SL811+8051 platform can test all kinds of USB devices, support up to 2 HUB and LCD display, and have been used in lar