STM32嵌入式控制器的键盘检测程序，不使用固件库的方法；简单明了。-STM32 embedded controller keyboard test procedure, do not use the method of firmware library Simple and clear.

STM32-H103 board is entry level development board for the new ARM Cortex M3 family of devices produced by ST Microelectronics Inc. With STM32-H103 you can explore the features of STM32 family on budged, the board have everything necessary to bu