This code can detect the insertion of USB device in the system

some examples of LCD dit display via USB

usb接口的硬件设计参考-usb interface hardware reference design

200元买来的D12开发资料,包括上位机驱动和应用程序，电路图，固件。-200 yuan bought D12 development information, including PC drives and applications, schematics, firmware.

USB通讯Slave FIFO,包含驱动。已经调试过了，可以用。-USB communications Slave FIFO, includes driver. Have been debug can be used.

这个接口卡程序负责采集低频音频信号，USB控制芯片采用AN2131QC。软件包括3个模块：Keil51编写芯片固件程序，vc++编写USB驱动程序和用户程序-the interface card collection procedures for low-frequency audio signals, control chips using USB Peripheral. The software includes three modules : the preparation Keil51 chip firmware and USB drives vc preparation procedures and user program

本程序演示了如何利用编写高层应用程序与USB接口通信。读者有必要了解主机是如何识别USB设备以及USB工作的基本原理。 -This procedure demonstrates how to use the preparation of high-level applications and USB interface. Readers it is necessary to understand how to identify the host is a USB device, as well as the work of the basic principles of USB.

用Pascal实现访问USB的源码-Pascal achieve visit with the USB source

Delphi USB 访问的单元的源代码。 -visit Delphi USB module source code.

VB编写的USB源码，用于USB的设备的驱动-VB prepared the USB source code for the USB device driver

PCusb,一个读取串口原程序,VC++6.0-PCusb, a serial port to read the original procedure, VC++ 6.0