task0.c

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#include "main.h"
#include "task0.h"

extern RTC_TIME RTC;

/*按键定义*/
sbit KEY0 = P3^2;
sbit KEY1 = P3^3;
sbit KEY2 = P3^4;
sbit KEY3 = P3^5;

void task0_init(void)
{
  
}

void task0(void)
{   
   static unsigned key_flag = 0;           
   //unsigned char temp;
   if(((!KEY0)|(!KEY1)|(!KEY2)|(!KEY3))&(key_flag==0))   
   {
      key_flag = 100;
      while(--key_flag);//延时去抖动    
      key_flag = 1;
      
      if(!KEY0)//Modle键，进入调时模式
      {	          
		 if(++key_operate > 6)key_operate=0;//调时操作吗
      }
      else if(!KEY1)//减1调整
      {
          switch (key_operate)
          {
             case 1://分钟
					 if(RTC.Minute-- ==0) RTC.Minute = 59;
                     break;
             case 2://小时
 					 if(RTC.Hour-- ==0) RTC.Hour = 23;
                     break;
             case 3://星期
					 if(RTC.Week-- ==1) RTC.Week = 7;
                     break;
             case 4://日期
					 if(RTC.Day-- ==1) RTC.Day = 30;
                     break;
             case 5://月份
					 if(RTC.Month-- ==1) RTC.Month = 12;
                     break;
             case 6://年份
					 if(RTC.Year-- ==0) RTC.Year = 99;
                     break;

             default:
                     break;
          }
      }
      else if(!KEY2)//加1调整
      {
          switch (key_operate)
          {
             case 1://分钟
			         if(++RTC.Minute>59) RTC.Minute=0;					  
                     break;
             case 2://小时
 					 if(++RTC.Hour>23) RTC.Hour=0;
                     break;
             case 3://星期
					 if(++RTC.Week>7) RTC.Week=1;
                     break;
             case 4://日期
					 if(++RTC.Day>30) RTC.Day=1;
                     break;
             case 5://月份
					 if(++RTC.Month>12) RTC.Month=1;
                     break;
             case 6://年份
					 if(++RTC.Year>99) RTC.Year=0;
                     break;

             default:
                     break;
          }       
      }
      else if(!KEY3)
      {

		 key_operate=0;
      }
   }

   if((KEY0)&(KEY1)&(KEY2)&(KEY3)) key_flag = 0;   
}