Program/*****************************************************This program was produced by theCodeWizardAVR V2.05.3 StandardAutomatic Program Generator© Copyright 1998-2011 Pavel Haiduc, HP InfoTech s.r.l.http://www.hpinfotech.com

Project : Version : Date : 5/2/2016Author : Atabik LuthfiCompany : PENSComments:

Chip type : ATmega16AProgram type : ApplicationAVR Core Clock frequency: 8.000000 MHzMemory model : SmallExternal RAM size : 0Data Stack size : 256*****************************************************/

#include <mega16a.h>#include <stdio.h>#include <stdlib.h>#include <delay.h>

// Alphanumeric LCD functions#include <alcd.h>#asm .equ __lcd_port=0x1B ;PORTB#endasm#define ADC_VREF_TYPE 0x20

// Read the 8 most significant bits// of the AD conversion resultunsigned char read_adc(unsigned char adc_input){ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);// Delay needed for the stabilization of the ADC input voltagedelay_us(10);// Start the AD conversionADCSRA|=0x40;// Wait for the AD conversion to completewhile ((ADCSRA & 0x10)==0);ADCSRA|=0x10;return ADCH;}

// Declare your global variables here

void main(void){float a, suhu;char temperatur[8];

PORTA=0x00; //ADC DDRA=0x00;

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PORTB=0x00; //LCDDDRB=0xFF;

PORTC=0x00; //LEDDDRC=0xFF;

PORTD=0x00; //MOTORDDRD=0xFF;

ADMUX=ADC_VREF_TYPE & 0xff;ADCSRA=0x83;lcd_init(16);lcd_gotoxy(0,0); lcd_putsf("ASSALAMUALAIKUM");lcd_gotoxy(2,1) ; lcd_putsf("Selamat Pagi");delay_ms(3000);lcd_clear();lcd_gotoxy(0,0); lcd_putsf("Have A Nice Day");lcd_gotoxy(3,1);lcd_putsf("=) =) =) =)");delay_ms(3000); lcd_clear;

while (1) { lcd_init(16); a=read_adc(0); PORTC=a; suhu=((float)a*4.2/255)/0.01; lcd_gotoxy(1,0); lcd_putsf("SUHU SAAT INI"); lcd_gotoxy(0,1); lcd_putsf("ADALAH ="); lcd_gotoxy(14,1); lcd_putchar(0xDF); lcd_gotoxy(15,1); lcd_putchar('C'); lcd_putchar(suhu); ftoa(suhu,1,temperatur); lcd_gotoxy(9,1); lcd_puts(temperatur); delay_ms(100); if(suhu<=0x28) PORTD=0x00; else PORTD=0xFF; }}

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Gambar Rangkaian

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