flasher__.c

Interfacing AVR to LED, Tact switch+7-segment, Matrix Keypad, HD44780 Character LCD and LED dot matr

/*****************************************************
Project : LED Flasher
Author  : Reza Sepas Yar
Company : Pishro Noavaran Kavosh
Chip type           : ATmega16
Clock frequency     : 4.000000 MHz
*****************************************************/

#include<mega16.h>
	#ifndef __SLEEP_DEFINED__
	#define __SLEEP_DEFINED__
	.EQU __se_bit=0x40
	.EQU __sm_mask=0xB0
	.EQU __sm_powerdown=0x20
	.EQU __sm_powersave=0x30
	.EQU __sm_standby=0xA0
	.EQU __sm_ext_standby=0xB0
	.EQU __sm_adc_noise_red=0x10
	.SET power_ctrl_reg=mcucr
	#endif
#include<delay.h>
#define xtal 4000000

int i;

void main (void)
{

	DDRD = 0xFF;

	while(1)
	{

		for(i = 1; i <= 128; i = i*2)
		{
			PORTD = i;
			delay_ms(100);
		}

		for(i = 128; i > 1; i = i/2)
		{
			PORTD = i;
			delay_ms(100);
		}

	}

}