ad.c

来自「F系列单片机的液晶显示程序 LM28124液晶」· C语言 代码 · 共 65 行

#include <c8051f020.h>                 // SFR declarations
#include <stdio.h>
#include <var.h>
#include <lib.h>
#include <define.h>


AD()
{
 
     ADC0_Init();        
     n=0;
	 m=0;                                     //采集
     kk=0;
     kkm=0;
	 delay();
     while(t[328]==0)
     { 
	    ADC0CN = 0x80;
        ADC0CF = (SYSCLK/2500000) << 3;
        REF0CN = 0x03;
		AMX0SL = 0x00;
    	AD0INT=0;
	    AD0BUSY=1;	    
        while (~AD0INT)
	    {}
	    	kk=ADC0H*256;			//将A/D转化值存到显示数组
            kk+=ADC0L;
            temp=(float)kk/4096;
            temp*=2.43;
            t[n]=temp;
         n=n+1;
         ADC0H=0x00;
         ADC0L=0x00;
         delay();
        
          

        ADC0CN = 0x80;
        ADC0CF = (SYSCLK/2500000) << 3;
        REF0CN = 0x03;
		AMX0SL = 0x01;
    	AD0INT=0;
	    AD0BUSY=1;	    
        while (~AD0INT)
	    {}
	    	kkm=ADC0H*256;			//将A/D转化值存到显示数组
            kkm+=ADC0L;
            tempm=(float)kkm/4096;
            tempm*=2.43;
            u[m]=tempm;
         m=m+1;		 
	     delay();               //每秒100个数
        
           
     }

}
void ADC0_Init(void)
{
   ADC0CN = 0x80;
   ADC0CF = (SYSCLK/2500000) << 3;
   REF0CN = 0x03;
   
}