/*
main.c

Henriks AVR application
Copyright Henrik Björkman www.eit.se/hb 2005
All rights reserved etc etc...

For hardware see: 
H:\d\eget\projects\inteligent_electronic_thermostat\hw\0.1


History

2005-02-14
want to use serial port. Have adapted some code I found
at http://www.lka.ch/projects/avr/
Henrik Bjorkman

2005-02-20
Will try to interpret some commands
Henrik

*/


#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/wdt.h>

#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "avr_cfg.h"
#include "avr_misc.h"
#include "avr_uart.h"
#include "avr_tmr0.h"
#include "version.h"


int mainTimer;
int mainCounter=0;


int main( void ) 
{
  wdt_enable(WDTO_2S);

  uart_init();


  uart_print_P(PSTR("\r\n" VERSION_STRING "\r\n")); 


  sei(); // enable global interrupts

  avr_tmr0_init();

  

  mainTimer=avr_tmr0_gettick()+AVR_TMR0_TICKS_PER_SEC();

  for(;;)
  {
    const int t=avr_tmr0_gettick();
    if ((mainTimer-t)<0)
    {
      uart_putchar('.');
      mainTimer+=AVR_TMR0_TICKS_PER_SEC();
    }

    wdt_reset();

    // Set CPU in idle mode to save energy, it will wake up next time there is an interrupt
    avr_idle();

  }

  

  return(0);
} // end main()