中断程序的调用

我的世界123 · 发表于 2013-11-13 13:39:33

#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
//#define _DEVICEFLAG_
sbit key0=P3^2;
sbit key1=P3^3;
sbit key2=P3^4;
sbit key3=P0^3;
sbit b1=P0^4;
sbit k1=P2^4;
sbit k2=P2^3;
sbit k3=P2^2;
sbit k4=P2^1;
sbit k5=P2^0;
void delay_ms (uint z)
{
uint x,y;
for (x=z;x>0;x--)
for (y=110;y>0;y--);
}
void init()
{
TMOD=0x01;
TH0=0xfc;
TL0=0x66;
ET0=1;
TR0=1;
EA=1;
TMOD|=0x01;    //定时器T0，工作方式1
   TH0=0xC3;
   TL0=0xC7;     //这两个寄存器存的是计数器的计数开始的值,这两个值累加至溢出后正好是50ms
   ET0=1;        //使T0中断可以溢出
   EA=1;         //开启总中断
   TF0=0;        //溢出位清零
   TR0=1;        //开启T0
}
uchar ControlFlag=0;
void timer0(void)interrupt 1
{
  static uchar i,count=0;

TH0=0xfc;
    TL0=0x66;
count++;
if(key0 == 0)
{
#ifndef _DEVICEFLAG_

for(i=0;i<2;i++)
{
  delay_ms(100);
}
if(key0 == 0) //按键2
{
  ControlFlag = 2;
}
else if(key0 == 1)
{
  ControlFlag = 1;
}
#else
if(key0 == 1)
{
  ControlFlag = 1;
}
#endif
}
}
//外部中断2服务程序复位开关2
void timer1(void)interrupt 2
{
    static uchar i,count=0;

TH0=0xfc;
    TL0=0x66;
count++;
if(key1 == 1)
{
for(i=0;i<2;i++)
{
  delay_ms(100);
}
if(key1 == 0)
{
  ControlFlag = 6;
}
else if (key1 == 1)
{
  ControlFlag = 5;
}
}
}
//外部中断3服务程序复位开关1
void it_timer3(void)interrupt 3
{
static uchar i,count=0;
//    TMOD&=0xF0;
// TH0=0x00;
// TL0=0x00;
// ET0=1;
// EA=1;
// TR0=1;
TH0=0xC3;
   TL0=0xC7;
   count++;
if(key2 == 1)
{
for(i=0;i<2;i++)
{
  delay_ms(100);
}
if(key2 == 0)
{
  ControlFlag = 4;
}
else if(key2 == 1)
{
  ControlFlag = 3;
}
}
}
main()
{
    k1=0;
    k2=0;
    k3=0;
    k4=0;
    k5=0;
key3=0;
init();
while(1)
{
#ifndef _DEVICEFLAG_
if((b1==1)||(key3 == 1))
{
  k5 = 1;
}
else if ((b1 == 0)&&(key3 == 0))
{
  k5 = 0;
}
#endif
/*************************************************************
*************************************************************/
#ifndef _DEVICEFLAG_
      switch(ControlFlag)
   {
       case 1:         //机器总开关长按
       if(key3 == 0)      //服务器+5V为0时
     {
         if(b1 == 0)     //K1断开时
      {
       k1 = 1;
       k4 = 1;
       delay_ms(1000);
       k4 = 0;
      }
        else if (b1== 1)                   //K1闭合时
        {
          k1 = 0;
        }
     }
     else if(key3 ==1)       //服务器+5V为1时
     {
        if(b1 == 0)                    //K1断开时
        {
          k4 =1;
        delay_ms(1000);
       delay_ms(1000);
       delay_ms(1000);
       delay_ms(1000);
       k4 = 0;

        }
        else if(b1 ==1)                         //K1闭合时
        {
          k4 = 1;
       delay_ms(1000);
       delay_ms(1000);
       delay_ms(1000);
       k1= 0;
       delay_ms(1000);
       k4 = 0;
        }
     }
     ControlFlag = 0;
     break;
   case 2:                //机器总开关短按
     if(key3 == 0)      //服务器+5V为0时
     {
      if(b1 ==0)     //K1为断开时
      {
       k1 = 1;
       k4 = 1;
       delay_ms(1000);
       k4 = 0;
      }
        else if (b1 == 1)                  //K1为闭合时
        {
          k4 = 1;
       delay_ms(1000);
       k4 = 0;
        }
     }
     else if(key3 ==1)    //服务器+5V为1时
     {
        if(b1 == 0)                   //K1断开时
        {
          k1 = 1;

        }
        else if(b1 ==1)                       //K1闭合时
        {
       ;
        }
     }
     ControlFlag = 0;
     break;
   case 3:              //复位开关1长按
     if(b1 == 1)                             //K1闭合时
     {
      k2 = 1;
      delay_ms(1000);
      delay_ms(1000);
      delay_ms(1000);
      k2 = 0;
     }
     ControlFlag = 0;
     break;
   case 4:               //复位开关1短按
     if(b1 == 1)                              //K1闭合时
     {
      k1 = 0;
      delay_ms(1000);
      k1 = 1;
     }
     ControlFlag = 0;
     break;
   case 5:                            //复位开关2长按
     if(key3== 1)
     {
      k3= 1;
      delay_ms(1000);
      k3 = 0;
     }
     ControlFlag = 0;
     break;
   case 6:                                                //复位开关2短按
           if(key3 == 1)
     {
      k3 = 1;
      delay_ms(1000);
      k3 = 0;
     }
     ControlFlag = 0;
     break;
#endif
   default:
     break;