BootLoader para o microntrolador pic18F4550

基于usb 芯片net2272的一个loopback的程序，稍加修改，即可移植到你的mcu或者dsp上-Net2272 on a usb chip loopback procedure, slightly modified, can be transplanted to your mcu or dsp on

USB通讯控件,Bulk通讯方式,可以直接从USB设备中读取数据保存为文件,或者把文件发送给USB设备,用于三星2410相关开发.-USB communications controls, Bulk means of communication directly from the USB device to read data saved as a file, or the document sent to the USB device, for 2410 related to the development of Samsung.

数据采集程序，采用同步模式，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, using the synchronization mode, 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

usb驱动程序代码-usb driver code

usb海量存储的驱动程序-usb mass storage driver

是关于usb驱动的一个源码-Is on the usb drive as a source

一个关于usb编程的源码-A source on the usb programming

usb芯片访问外设――usb和1553b总线的接口访问时序。-USB chip interfaces peripheral through 1553b bus, interface timing.

这是一个USB1.1通讯的PC机调试程序，对于usb编程的开发人员具有一定的借鉴作用。-This is a USB1.1 PC communications debugging procedures, Programming for usb personnel have developed a certain reference.

本程序演示了如何利用编写高层应用程序与USB接口通信-this program demonstrated how to use the preparation of high-level applications and USB communications