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標(biāo)題: cc2530 按鍵中斷使用！ [打印本頁(yè)]

作者: a1040069318 時(shí)間: 2018-5-22 17:43
標(biāo)題: cc2530 按鍵中斷使用！
介紹P1.2按鍵使用

#include"ioCC2530.h"
#define LED1 P1_0
#define LED2 P1_1
#define LED3 P1_3
#define LED4 P1_4
#define SW1  P1_2

unsigned int KeyTouchtimes=0;
void delay(unsigned int time)
{unsigned int i;
unsigned char j;
  for(i=0;i<time;i++)
  {for(j=0;j<240;j++)
  { asm("NOP");
asm("NOP");
asm("NOP");
  }
  }
}
void init()
{P1SEL&=0xE0;
P1DIR|=0x1B;
P1DIR&=0XFB;
P1INP&=0xFB;
P2INP&=0xBF;
  LED1=0;
  LED2=0;
  LED3=0;
  LED4=0;
  PICTL&=~0X02;
  P1IEN|=0X04;
  IEN2|=0X10;
  EA=1;}
#pragma vector=P1INT_VECTOR
__interrupt void ENIT_ISR(void)
{
EA=0;
if(P1IFG&0X04)
{
   while(SW1==0);
   delay(100);
   while(SW1==0);
   KeyTouchtimes=KeyTouchtimes+1;
   P1IFG&=~0X04;
}
EA=1;
}
  void main(void)
  {
init();
while(1)
{if(KeyTouchtimes==1)
{
   LED1=1;
}
else if(KeyTouchtimes==2)
{
   LED2=1;
}
else if(KeyTouchtimes==3)
{LED3=1; }
else if(KeyTouchtimes==4)
{LED4=1;}
else if(KeyTouchtimes==5)
{
  LED1=0;
  LED2=0;
  LED3=0;
  LED4=0;
  KeyTouchtimes=0;
}}}

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