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STM32实验2：IO输入
端口初始化#include"stm32f10x.h"//PA15voidKEY_Init(void){GPIO_InitTypeDefGPIO_InitStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//使能外设置时钟GPIO_InitStructure.GPIO_Pin=GPIO_Pin_15;/
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51IO输入测试代码
#include#include#define GPIO_LED P2sbit K1=P3^1;void Delay10ms( ); //延时10msvoid main(void){unsigned int i,j;j=0xfe; //1111_1110while(1){GPIO_LED=j; if(K1==0) //检测按键K1是否按下{Delay10ms(); //消除
