AT89C51SND1 SPI原程序，相于USB的。

usb receive main program c

转载的，希望加入你们，谢谢关照-reproduced, hope to join you, thank you care

some examples of step motor control by EZUSB

监测U盘拔插 可以检测到U盘的插入和拔出动作-U disk monitoring can detect the U-swappable disk insertion and pull-out action

数据采集程序，包括主机程序，固件源程序，驱动程序。出自《USB2.0原理与工程开发》我现在需要USB键盘方面的源程序，如果你有请提供crzman@163.com-data collection procedures, including mainframe procedures, firmware source, the driver. From "USB2.0 Principle and the development of the project," I now need a USB keyboard aspects of the source, If you please provide crzman@163.com

Usb2.0原码及其详细资料,包含USB2.0详细资料及调试助手代码。-USB2.0 original code and its detailed information, including detailed information on USB2.0 and debug the code assistant.

rs232到usb的转换器Target-RS232 to USB converter Target

usb温度控制器DRIVER-usb temperature controller DRIVER

一个很好的serial 串口演示代码，演示串口的读写功能-a good code for comm communication

可以检测你开发的USB设备是否OK的一个程序-you can detect the development of USB devices whether a procedure OK