sub_164.c

一个单片机实现DA转换程序,程序实现了一个温度控制的数摸转换,并添加了去抖动处理!!

#include "iom16.h"
#include "ioavr.h"
#include "inavr.h"
#include "avr_macros.h"

#include "userdef.h"
#include "userfun.h"
#include "userram.h"
//#include "usertype.h"


void disbcd(unsigned char *sendnum)
{
  unsigned char temp=0x80;
  unsigned char i,j;
  SET_BCDCLK;
  for(j=0; j<6; j++)
    {
      for(i=0; i<8; i++)
        {
            CLR_BCDCLK;
            if((*sendnum&temp)==0x00)
               CLR_BCDDAT;
            else
               SET_BCDDAT;
            temp=temp>>1;
            SET_BCDCLK;
        }
      sendnum++;
      temp=0x80;
    }
  SET_BCDCLK;
  SET_BCDDAT;
}