key.c

自己开发的实用的430定时器自己开发的实用的定时器自己开发的实用的定时器自己开发的实用的定时器

#include "main.h"
#include "key.h"
//#include "


#pragma vector = PORT1_VECTOR
__interrupt void P1ISR (void)
{ 
   if(P1IFG&SET)//(!(P1IN&SET))
   {
   	delay(3000); //延时15ms，按键去抖
   	if(!(P1IN&SET))
   	{
          
            if(MODE==MODE_START)
            	return;
            else
            {
            	MODE = MODE_SET_TIME;                
                
                
                set_flag +=1;
                if(set_flag>4)set_flag=0;
            	
            	while(!(P1IN&SET)){_NOP();}  //按键抬起检测
                
            }
    
   	}
   	   _BIC_SR_IRQ(LPM3_bits);
   }
   else if(P1IFG&START_UP)//(!(P1IN&START_UP))
   {
   	delay(3000);
   	if(!(P1IN&START_UP))
   	{
   		
   		MODE = MODE_START;
   		first_start = 1;
   
   	}
   	_BIC_SR_IRQ(LPM3_bits);
   }
   else if(P1IFG&STOP_DOWN)//(!(P1IN&STOP_DOWN))
   {
   	delay(3000);
   	if(!(P1IN&STOP_DOWN))
   	{
   		
   		MODE = MODE_STOP;
   	
   	}
   	_BIC_SR_IRQ(LPM3_bits);
   }
   
          
   P1IFG = 0;
   
}