#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>

void timer_init( void )
{
  TCCR0A = 1<<WGM01;
  OCR0A = 207;
  TIMSK0 = 1<<OCIE0A;
  sei();
}

volatile uint16_t maindata = 0;

void uart_char ( char c )
{
  maindata = c<<1;
  maindata |= 1<<9;
  TCCR0B = 1<<CS01;
}

void uart_str ( char *str )
{
  while(*str)
  {
    uart_char(*str++);
    _delay_ms(1000);
  }

}

ISR ( TIMER0_COMPA_vect)
{
  if( maindata & 0x01)
  {
    PORTB = PORTB | (1<<PORTB5);
  }
  else
  {
    PORTB = PORTB & (~(1<<PORTB5));
  }
  maindata = maindata >> 1;

  if( maindata == 0)
  {
    TCCR0B = 0;
    TCNT0 = 0;
  }
}

char datasend[] = "Manoj";
int main( void )
{
  DDRB = 1<<DDB5;

  timer_init();
  TCCR0B = 1<<CS01;
  PORTB = 0x01;
  _delay_ms(1000);


  
  while(1)
  {
    uart_char(0xFF);
    _delay_ms(1000);
    uart_str(datasend);
    _delay_ms(1000);

  }
}