#ifndef _KEY_H
#define _KEY_H

#include "main.h"


//从PD8和PD9读取数据
#define KEY2 HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_1) 
#define KEY3 HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_0)

#define KEY2_DOWN  2
#define KEY3_DOWN  3

#define KEY2_HOLD  4
#define KEY3_HOLD  5

extern int key_flag;
extern const char* type_str;

void bubblesort(long arr[], int size);
void key_scan(void);

#endif