181002 마이크로프로세서

#include <stdlib.h>
#include <delay.h>
#include <mega128_bits.h>
#include <mega128.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "LCD.h"
 
void LCD_Decimal(unsigned char num, short AD_dat)
{
             unsigned char Decimal[5];
             Decimal[4] = '0'+ AD_dat/10000;
             AD_dat = AD_dat%10000;
             Decimal[3] = '0' + AD_dat/1000;
             AD_dat = AD_dat%1000;
             Decimal[2] = '0' + AD_dat/100;
             AD_dat = AD_dat%100;
             Decimal[1] = '0' + AD_dat/10;
             AD_dat = AD_dat%10;
             Decimal[0] = '0' + AD_dat/1;
             
             if(num == 0)
             {
               LCD_Pos(0,10);
               LCD_Data(Decimal[3]);
               LCD_Pos(0,11);
               LCD_Data(Decimal[2]);
               LCD_Pos(0,12);
               LCD_Data(Decimal[1]);
               LCD_Pos(0,13);
               LCD_Data(Decimal[0]);
             }                      
             
             else if(num == 1)
             {
               LCD_Pos(1,10);
               LCD_Data(Decimal[4]);
               LCD_Pos(1,11);
               LCD_Data('.');
               LCD_Pos(1,12);
               LCD_Data(Decimal[3]);
               LCD_Pos(1,13);
               LCD_Data(Decimal[2]);
               LCD_Pos(1,14);
               LCD_Data(Decimal[1]);
               LCD_Pos(1,15);
               LCD_Data(Decimal[0]);
               LCD_Pos(1,16);
               LCD_Data('v');
             }
}
 
void AD_Init(void)
{
             ADMUX |= (1<<REFS1) | (1<<REFS0);
             ADCSRA |= (1<<ADEN) | (1<<ADSC) | (1<<ADFR);
}
 
void main(void)
{
             AD_Init();
          
             
             DDRF = 0xff;
             
             Port_Init();
             LCD_Init();
             
             LCD_Pos(0,0);
             LCD_STR("Voltage:");
             
             LCD_Pos(1,0);
             LCD_STR("R.Value:");
             
             while(1)
             {
                short Voltage;
                Voltage = (short)((0.0025*ADCW)*10000);
                
                LCD_Decimal(0,ADCW);
                LCD_Decimal(1,Voltage);
                delay_ms(100); 
             }
}