Rangkaian dan Coding Jam Digital Menggunakan LCD dan ATMEGA32

#include <mega32.h>

#include <delay.h>

#include <stdio.h>

#asm

   .equ __i2c_port=0x15 ;PORTC

   .equ __sda_bit=1

   .equ __scl_bit=0

#endasm

#include <i2c.h>

#include <ds1307.h>

#asm

   .equ __lcd_port=0x18 ;PORTB

#endasm

#include <lcd.h>

char buf[33];

unsigned char s;

unsigned char m;

unsigned char h;

void main(void)

{

PORTA=0x00;

DDRA=0x00;

PORTB=0x00;

DDRB=0x00;

PORTC=0x00;

DDRC=0x00;

PORTD=0x00;

DDRD=0x00;

TCCR0=0x00;

TCNT0=0x00;

OCR0=0x00;

TCCR1A=0x00;

TCCR1B=0x00;

TCNT1H=0x00;

TCNT1L=0x00;

ICR1H=0x00;

ICR1L=0x00;

OCR1AH=0x00;

OCR1AL=0x00;

OCR1BH=0x00;

OCR1BL=0x00;

ASSR=0x00;

TCCR2=0x00;

TCNT2=0x00;

OCR2=0x00;

MCUCR=0x00;

MCUCSR=0x00;

TIMSK=0x00;

// USART initialization

// Communication Parameters: 8 Data, 1 Stop, No Parity

// USART Receiver: On

// USART Transmitter: On

// USART Mode: Asynchronous

// USART Baud rate: 9600

UCSRA=0x00;

UCSRB=0x18;

UCSRC=0x86;

UBRRH=0x00;

UBRRL=0x33;

ACSR=0x80;

SFIOR=0x00;

// I2C Bus initialization

i2c_init();

rtc_init(0,0,0);

lcd_init(16);

lcd_clear();

while (1)

      {

      rtc_get_time(&h,&m,&s);

    

      lcd_gotoxy(0,1);

      sprintf(buf,"%02u:%02u:%02u",h,m,s);

      lcd_puts(buf);

      printf(" %02u:%02u:%02u \r",h,m,s);

      delay_ms(10);

      }

}