Key模板

#ifndef  KEY_H
#define  KEY_H
#include "main.h"

#ifdef   KEY_C
#include "stm32f10x_gpio.h"
#include "sys.h"

#define DoubDelay 500
#define LongDelay 3000

#define CounterMax 20000

void KEY_Shift(void);

#endif

#define NumOfKey 2

#define KEY_LevelLoose 0x00
#define KEY_LevelPress 0x01

#define KEY_OperateNone 0x00
#define KEY_OperateFail 0x01
#define KEY_OperateRise 0x02
#define KEY_OperateLong 0x03
#define KEY_OperateDoub 0x04

#define KEY_RunA  0x01
#define KEY_RunB  0x02

typedef struct{
    uchar level;
    uchar operate;
} KEY_TypeDef;

extern KEY_TypeDef KEY_Status[NumOfKey];

void KEY_Init  (void);
void KEY_Action(void);

#endif

#define  KEY_C
#include "key.h"

ushort KEY_Counter[NumOfKey];
uchar  KEY_Level[NumOfKey];

KEY_TypeDef KEY_Status[NumOfKey];

void KEY_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    
    //----------GPIO Init----------
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
    
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IPD;
    GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_6 | GPIO_Pin_7;
    
    GPIO_Init(GPIOC, &GPIO_InitStructure);
    
    //----------ENABLE----------
    KEY_Shift();
}

void KEY_Shift(void)
{
    for(uchar i = 0; i < NumOfKey; i ++)
    {
        KEY_Counter[i] += 10;
        KEY_Counter[i] = Min_ushort(KEY_Counter[i], CounterMax);
        
        KEY_Status[i].operate = KEY_OperateNone;
        if(KEY_Status[i].level != KEY_Level[i])
        {
            KEY_Status[i].level = KEY_Level[i];
            if(KEY_Level[i] == KEY_LevelPress)
            {
                if(KEY_Counter[i] < DoubDelay)
                {
                    KEY_Status[i].operate = KEY_OperateDoub;
                }
                else
                {
                    KEY_Status[i].operate = KEY_OperateRise;
                    KEY_Counter[i] = 0;
                }
            }
            else
            {
                KEY_Status[i].operate = KEY_OperateFail;
            }
        }
        else
        {
            if(KEY_Level[i] == KEY_LevelPress)
            {
                if(KEY_Counter[i] == LongDelay)
                {
                    KEY_Status[i].operate = KEY_OperateLong;
                }
            }
        }
    }
}

void KEY_Action(void)
{
    KEY_Level[0] = PCin(6);
    KEY_Level[1] = PCin(7);
    
    KEY_Shift();
}