ads8326.c

主要在C8051F020的平台上实现对运放UA741的失调电压、失调电流

#include<c8051f020.h>
#include"delay.h"

sbit DCLOCK= P0^6;
sbit DOUT  = P0^3;
sbit CS    = P0^0;

uint receive_word(void)
{
   uint i;
   uint result;   

   CS=1;
   delay(1,2);
   CS=0;
   delay(1,2);

   for(i=0;i<6;i++)
   {
       DCLOCK=0;
       delay(1,2);
       DCLOCK=1;
       delay(1,2);       
   }

   for(i=0;i<16;i++)
   {
       DCLOCK=0;
       delay(1,2);
       DCLOCK=1;                       //下降沿传输每位数据
       delay(1,2);
       result=(result<<1)|DOUT;
       delay(1,2);
   }

   CS=1;
   delay(1,2);

   return result;
}