text2.c

这是我本科的毕业设计。是一个热水器自动温控系统。要配合里面的电路图看程序

#include<reg51.h>
#include <absacc.h>
#include<intrins.h>
#include<math.h>
#define CON_8279 XBYTE [0x5fff]
#define DAT_8279 XBYTE [0x5eff]
sbit  clflag=ACC^7;


sbit up=P1^2;
sbit down=P1^3;
sbit ok=P1^4;

unsigned char data disgram[6]={0x00,0x01,0x02,0x03,0x04,0x05};

/******************ms延时程序*****************/
void delayms()
{
_nop_();_nop_();_nop_();_nop_();_nop_();
}
//
//
//
 void  disp_initial()
 { 
   CON_8279=0xDC;
   do {ACC=CON_8279;}
   while (clflag==1);
   CON_8279=0x00;
   CON_8279=0x34;

 }
/******************显示函数*****************/
void display(void)
{
unsigned char code table[18]={0xc0,0xf9,0xa4,0xb0,0x99,\
0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,\
0xbf,0xff};
unsigned char i;
 for(i=0;i<6;i++) 
  { CON_8279=i+0x92;
    DAT_8279=table[disgram[i]];
    delayms();
  }
}
/******************一位按键函数*****************/
void abc(void)
{
unsigned char bt;
for(bt=0;bt<6;bt++)
 {
  do
   {
    if(up==0)
     {
      delayms();
      disgram[bt]++;
      
      display();
     }
   else if(down==0)
    {
     delayms();
     disgram[bt]--;
  
     display();
    }
  }while(ok==1);
 }
 display();
}
//
//
void main(void)
{disp_initial();
 display();
  while(1)

  { 
   abc();
   display(); 
  }
}