key.c
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/*
* key.c
*
* Created on: Oct 28, 2019
* Author: Yasin
*/
/* Includes ------------------------------------------------------------------*/
#include "key.h"
#include "led.h"
#include "cmsis_os.h"
/**
* 按键处理函数
* @param mode 0 - 不连续触发 1 - 连续触发
*/
uint8_t KEY_Scan(uint8_t mode)
{
static uint8_t key_up = 1;
if (mode)
{
key_up = 1;
}
if (key_up && (KEY1_read() == KEY1_DOWN || KEY2_read() == KEY2_DOWN))
{
osDelay(10);
key_up = 0;
if (KEY1_read() == KEY1_DOWN)
{
return KEY1;
}
if (KEY2_read() == KEY2_DOWN)
{
return KEY2;
}
}
else if (KEY1_read() == KEY1_UP && KEY2_read() == KEY2_UP)
{
key_up = 1;
}
return 0;
}
//void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
//{
// switch (GPIO_Pin) {
// case GPIO_PIN_8:
// osDelay(30);
// if (KEY1_read() == KEY1_DOWN)
// {
// //ledState++;
// }
// break;
// default:
// break;
// }
//}