// ***********************************************************
// Project:
// Author:
// Module description:
// ***********************************************************
# define F_CPU 16000000UL
#include <avr\io.h> // Most basic include files
#include <avr\interrupt.h> // Add the necessary ones
#include <avr\signal.h> // here
#include <avr\delay.h>
// Define here the global static variables
//
// ***********************************************************
// Main program
//
void intz(void)
{
DDRB=0XFF; // OUTPUT CONFIG PORTB
DDRA=0XFF; // OUTPUT CONFIG PORTA
// STEP 1
_delay_ms(15); // delay 15 milli-seconds
// STEP 2
PORTA=0X05; // CLOCK HIGH AND R/W=0 FOR WRITING TO LCD and r/s=0 for
data
PORTB=0X30; // WRITE 0X30
PORTA=0X01; // CLOCK LOW
_delay_ms(5); // delay 5 milli
// STEP 3
PORTA=0X05; // CLOCK HIGH AND R/W=0 FOR WRITING TO LCD
PORTB=0X30; // WRITE 0X30
PORTA=0X01; // CLOCK LOW
_delay_us(160); // delay 160 micro
// STEP 4
PORTA=0X05; // CLOCK HIGH AND R/W=0 FOR WRITING TO LCD
PORTB=0X30; // WRITE 0X30
PORTA=0X01; // CLOCK LOW
_delay_us(160); // delay 160 micro
// STEP 5
// SET INTERFACE LENGTH
PORTA=0X04; // CLOCK HIGH AND R/W=0 FOR WRITING TO LCD and r/s=1 for
inst
PORTB=0X38; // dl=1 for 8bit, n=1 for 2 lines, f=0 for font(5*8)
PORTA=0X00; // CLOCK LOW
_delay_ms(15); // delay 15 milli-seconds
// TURN OFF LCD
PORTA=0X04; // CLOCK HIGH AND R/W=0 FOR WRITING TO LCD
PORTB=0X10; // LCD OFF
PORTA=0X00; // CLOCK LOW
_delay_ms(15); // delay 15 milli-seconds
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