万利开发板上的usb例程，适合与keil mdk环境,Manley usb development board routines, suitable for the environment with the keil mdk

一个关于stm32单片机的IAP例程，keil-mdk编译，通过uart串口接收上位机软件升级的bootload.-A microcontroller on the stm32 IAP routines, keil-mdk compiled by uart serial port to receive PC software upgrades bootload.

easyarm2200 mdk(keil) 串口通信 样例程序-easyarm2200 mdk(keil) uart example