在STM32上实现点亮LED灯，按键查询，ADC操作，定时器操作等基本功能(STM32 basic function routine on STM32 to light LED lights, key query, ADC operation, timer operation and other basic functions)

STM32F103C8T6例程,包含常用外设例程(STM32F103C8T6 routines, including common peripherals)

stm32f103c8t6例程内部有芯片的具体配置跟外部功能程序(stm32f103c8t6The routine has the specific configuration of the chip and the external function program)