2ad.c

一个使用c51单片机制作的电源管理程序 包括TLC2543,DS12887,24c64等程序！程序完整！

#define uchar unsigned char
#define uint unsigned int
#include <reg52.h>
#include <math.h> 

sbit  ad_clk=P1^1;
sbit  ad_cs=P1^4;
sbit  ad_sout=P1^3;
sbit  ad_sin=P1^2;

uint samp;

void delayus(uchar n)
{
       uchar i = 0;
       for(i=0;i<n;i++)
       ;
}

uint ad_result(uchar port)   //2543一路AD转换
{
       uchar i=0;
       uint  ad_data= 0;
       ad_cs = 1;
       ad_clk = 0;
       ad_cs = 0;
       port<<=4;
       for(i=0;i<12;i++)
       {
                ad_sin = (bit)(port&0x80);
                ad_clk = 1;
                ad_clk = 0;
                port<<=1;
       }
       ad_cs = 1;
       delayus(100);
       ad_clk = 0;
       ad_cs = 0;
       for(i=0;i<12;i++)
       {
                ad_sout = 1;
                ad_clk  = 1;
                ad_data<<=1;
                if(ad_sout)
                {ad_data |= 0x0001;}
                ad_clk = 0;
       }
       delayus(200);
       ad_cs = 1;
       delayus(50);
       return(ad_data&0x0fff);
}

float ad_v(uint x)
{
        float V;
        if(x<=1000) V=150.0;
        else if(x>=4000) V=450.0;
        else V=(x-1000)*0.1+150;
        return(V);
}

float ad_a(uint x)
{
        float A;
        if(x==0) A=0;
        else if(x>=4000) A=450.0;
        else A=x*0.1125;
        return(A);
}
       
/*
main()
{
        uint i;
        float s=0;
        while(1)
        {
               // i=ad_result(0);
               // s=ad_v(i);
               // i=ad_result(1);
                //s=ad_v(i);
                //i=ad_result(2);
               // s=ad_v(i);
               // i=ad_result(3);
               // s=ad_v(i);
               // i=ad_result(4);
              //  s=ad_v(i);
                i=ad_result(5 );
              s=((float)ad_v(i)/10);
                i++;
        }
}  */