key.c

来自「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」· C语言 代码 · 共 60 行

#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;
   
}