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C stm32f10x LED亮

article 2025/3/27 19:33:03


#include<stm32f10x.h>


int main(){

#if 0	
	//APIOA 时钟初始化
	unsigned int * p=(unsigned int*)0x40021018;
	*p |= 0x1<<2;
	
	//A0 推挽输出
	p=(unsigned int*)0x40010800;
	*p = *p & ~0xf | 0x1;
	
	
	//A0低电平
	p=(unsigned int*)0x4001080c;
	*p &= ~0x1;
	
#endif
	
	RCC->APB2ENR |= 0x1<<2;
	
	GPIOA->CRL = GPIOA->CRL & ~0xF | 0x1;
	
	GPIOA->ODR &= ~0x1;
	
	
	
	
	while(1);
	
	return 0;

}


#include<stm32f10x.h>


int main(){
	
	
	GPIO_InitTypeDef GPIOA_INIT_DEF;
	
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
	
	//RCC->APB2ENR |= 0x1<<2;
	
	
	GPIOA_INIT_DEF.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIOA_INIT_DEF.GPIO_Pin = GPIO_Pin_0;
	GPIOA_INIT_DEF.GPIO_Speed = GPIO_Speed_50MHz;
	
	GPIO_Init(GPIOA,&GPIOA_INIT_DEF);
	
	
	while(1);
	
	return 0;
}