STM8L_3_KEY：
1.User：工程及main文件
2.Hardware：KEY,CLK,LED,Delay
3.STM8L15x_StdPeriph_Driver：STM8自带库文件
4.Debug：hex文件存放于EXE文件夹
5.Function:    Press KEY，LED Light

/**
******************************************************************************
* 	@file    	main.c
* 	@author  	Alex——小白
* 	@version 	V1.0
* 	@date    	2019.5.1
* 	@brief   	KEY is used for lighting LED
*	@store   	有家Proteus仿真店子
*	@Link    	https://shop484534014.taobao.com/
*	@Email	 	[email protected]
******************************************************************************
* 	@attention	All Rights Reserved  
**/

#include <stdint.h>
#include <string.h>
#include "stm8l15x.h"
#include "LED.h"
#include "Delay.h"
#include "CLK.h"
#include "KEY.h"

void main(void)
{
    CLK_HSI_Config(CLK_SYSCLKDiv_8);    //HSI 8分频 2MHz  
    LED_Init();
    KEY_Init();
    while(1)
    {
         if(KEY_Read() == FALSE)
         {
             Delay(0x7FFF);
             if(KEY_Read() == FALSE)
             {
                 LED0(0);
             }
         }
         else LED0(1);
    }
}