STM32的USB DEVICE驱动库，可以做为HID和虚拟串口使用-STM32 USB Device driver library, can be used as HID and virtual serial port to use

奋斗开发板的例程，采用ucOS结合ucGUI的方式，写USB的程序。-Struggle development board routines, using a combination ucGUI ucOS way to write USB program.

USB下载程序的固件及例程（适用MINI): 此工程是作为利用USB下载的固件，目录下还有一个适合用USB下载的例程。-USB download the program s firmware and routines (MINI): this project is used as the use of USB download the firmware, the directory also has a suitable USB download routines.