Chip type    : ATmega8

Program type : Application

AVR Core Clock frequency: 8,000000 MHz

Memory model : Small

External RAM size    : 0

Data Stack size : 256

*******************************************************/



#include <mega8.h>

#include <stdio.h>

// Alphanumeric LCD functions

//#include <alcd.h>

#include <alcd_ks0073.h>



// Declare your global variables here

int a;

char lcd_buffer[33];



// Timer1 overflow interrupt service routine



interrupt [TIM1_OVF] void timer1_ovf_isr(void)

{

// Place your code here

  PORTD.0=1;

}



void main(void)

{

// Declare your local variables here



// Input/Output Ports initialization

// Port B initialization

// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=Out Bit2=In Bit1=In Bit0=In

DDRB=(0<<DDB7) | (0<<DDB6) | (0<<DDB5) | (0<<DDB4) | (1<<DDB3) | (0<<DDB2) | (0<<DDB1) | (0<<DDB0);

// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=0 Bit2=T Bit1=T Bit0=T

PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);



// Timer/Counter 1 initialization

// Clock source: T1 pin Rising Edge

// Mode: Normal top=0xFFFF

// OC1A output: Disconnected

// OC1B output: Disconnected

// Noise Canceler: Off

// Input Capture on Falling Edge

// Timer1 Overflow Interrupt: On

// Input Capture Interrupt: Off

// Compare A Match Interrupt: Off

// Compare B Match Interrupt: Off

TCCR1A=(0<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);

TCCR1B=(0<<ICNC1) | (0<<ICES1) | (0<<WGM13) | (0<<WGM12) | (1<<CS12) | (1<<CS11) | (1<<CS10);

TCNT1H=0x00;

TCNT1L=0x00;

ICR1H=0x00;

ICR1L=0x00;

OCR1AH=0x00;

OCR1AL=0x00;

OCR1BH=0x00;

OCR1BL=0x00;



// Timer(s)/Counter(s) Interrupt(s) initialization

TIMSK=(0<<OCIE2) | (0<<TOIE2) | (0<<TICIE1) | (0<<OCIE1A) | (0<<OCIE1B) | (1<<TOIE1) | (0<<TOIE0);



lcd_init(16);



// Global enable interrupts

#asm("sei")



while (1)

  {

   a=TCNT1;

  // if (a<0)

   //   {

  // a=65536+a;

  // }

  

lcd_clear();   

lcd_gotoxy(0,0);

sprintf(lcd_buffer,"%i",a);

lcd_puts(lcd_buffer);

  }

  }