像51单片机一样----STM32寄存器点灯

#define RCC_APB2ENR  *(volatile unsigned int *)(0x40021018)	//通过数据手册查询这个到这个寄存器，通过指针的方式，指向这个地址。
#define GPIOC_CRH		 *(volatile unsigned int *)(0x40011004)
#define GPIOC_ODR		 *(volatile unsigned int *)(0x4001100C)
	


int main(void)
{
		RCC_APB2ENR	|=	1<<4;
		GPIOC_CRH	&=	~ (0x0f<<4*5);
		GPIOC_CRH   |=  1<<4*5;
		GPIOC_ODR		=  0x0;
		///GPIOC_ODR		=  0xffff;
	
		while(1)
		{
		
		}
	
}