main.c.130217140808

ATmega16-ad1602

#include<iom16v.h>
#include <macros.h>
#include"includes.h"

#define uchar unsigned char 
#define uint unsigned int 

uchar unsigned text[]={"ADC_0: .  V"};


//主函数
main()
{
//初始化端口
//1602初始化
Init_LCD(); 


while(1)
     {
	  //取ADC_0
      ADCSR=0x00;
      ADMUX=0x40;
      ADCSR=(1<<ADEN)|(1<<ADSC)|(1<<ADFR)|0x07;   //128分频，连续转换
      s_ms(500);                                   //延时很重要，给出转换的时间
      adc_l0=ADCL;
      adc_h0=ADCH;
      adc_data0=adc_h0<<8|adc_l0;                  
      adc_data0=adc_data0>>1;               //放弃一位的精度
      adc_data0-=35;                        //修正
	  
	  //取ADC_1
      //ADCSR=0x00;
      //ADMUX=0x41;
      //ADCSR=(1<<ADEN)|(1<<ADSC)|(1<<ADFR)|0x07;   
      //s_ms(500);                           
      //adc_l1=ADCL;
      //adc_h1=ADCH;
      //adc_data1=adc_h1<<8|adc_l1;  
      //adc_data1=adc_data1>>1;
      //adc_data1-=35;                       
	  adc_data1=500;
	  
	  //显示ADC0
	  ten_3=(adc_data0)/100;
	  ten_2=(adc_data0-(ten_3*100))/10;
	  ten_1=adc_data0-(ten_3*100)-ten_2*10;
	  WriteNum(1,8,(ten_3));
	  WriteNum(1,10,(ten_2));
	  WriteNum(1,11,(ten_1));
	  
	  //显示ADC1
	  ten_3=(adc_data1)/100;
	  ten_2=(adc_data1-(ten_3*100))/10;
	  ten_1=adc_data1-(ten_3*100)-ten_2*10;
	  WriteNum(2,8,(ten_3));
	  WriteNum(2,10,(ten_2));
	  WriteNum(2,11,(ten_1));
	  
	  for(i=0;i<18;i++)
	     {
	      s_ms(60000);
	     }	
	 }
}