m0_50862404的博客

代码：按键状态结构体声明typedef struct{ uint8_t key_up; uint8_t key_down; uint8_t key_left; uint8_t key_right; }KEY_STATE;按键状态结构体声明KEY_STATE Key={0}; //定义时将整个结构体初始化为0四个按键的扫描检测程序，在10ms的定时器中断里执行该函数即可void KEY_DETECTION(KEY_STATE* key){ static uint

先上效果图代码主程序#include "stm32f10x.h"#include "delay.h"#include "usart.h"#include "stdio.h"#include "w25qxx.h"int main(void){ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); delay_init(); uart_init(115200); W25QXX_Init(); //W25QXX初始化 whil