ad650.c

不少单片机C代码

#include <reg51.h>
#include <stdio.h>
#define  uchar unsigned char
#define  uint  unsigned int
#define  TN 10
#define  Vref 15

uint  Fref,Fgnd;
uint  Fin[7];
uchar numb;
uint idata  Volt[8]={0,0,0,0,0,0,0,0};

void t0_int(void) interrupt 1
{  
   TL0=0x78;
   TH0=0xec;
   numb--;
}

void proc(uchar n)
{ switch(n){
    case 0:  break;
    case 1:  { };break;
    case 2:  { };break;
    case 3:  { };break; 
    case 4:  { };break;
    case 5:  { };break;
    case 6:  { };break;
    case 7:  break;
  }
}
          
void main(void)
{ uchar fh,fl,ad_now,init,ad_old;
  P1=0x07;
  IE=0x00;
  TCON=0x00;TMOD=0x51;
  IP=0x82;
  TL0=0x78;TH0=0xec;
  TL1=0x00;TH1=0x00;
  IE=0x82;
  ad_now=7;
  init=3;
  do 
  { ad_old=ad_now;
    TR1=1;
    numb=TN;
    while(numb);
    TR1=0;
    if((++ad_now)==8) ad_now=0;
    P1=ad_now;
    fh=TH1;fl=TL1;
    TH1=0;TL1=0;
    switch(ad_old){
      case 0:Fgnd=fh*256+fl;break;
      case 7:Fref=fh*256+fl;break;
      default:Fin[ad_old]=fh*256+fl;break;
    }
    if (init!=0) {--init;}
    else {
      Volt[ad_old]=(Fin[ad_old]-Fgnd)/(Fref-Fgnd)*Vref;
      proc(ad_old);
    }
  } while(1);
}