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/* blah-blah */

*/using attiny13a/*
#include <avr/io.h>
#include <util/delay.h>
#include <time.h>

#define bled PB3
#define rled PB7
#define ryoff PB4
#define ryon PB0
#define switch PB1

void maint()  {      /*reset on power up, bypass mode, PORTB I/0 set*/
   DDRB = 0b00011101;
   switch = 0;
   i = 0{

   {output_high (PORTB, bled);  /*flash bled 2x's, then rled on until switch hit*/
   delay_ms (250)};
   {output_low(PORTB, bled);
   delay_ms(250)};
   
   {i = i++
   if i >= 2
      output_high (PORTB, rled)
      goto switch1}
   }


switch1 (){           /*debounce attempt, start counter at tap, if not tappedfor*/

   counter=0;           /*85msec cycles again, if so, moves to onstate*/
      {while output_high (PORTB, switch);
         start=counter;
         if counter <85;
            goto switch1;}
   {
         elseif counter >=85;
            goto onstate;}
}

onstate ():

   {{output_low (PORTB, rled);   /*rled off, bled on, relay on*/
   output_high (PORTB, bled);   /*out a little better..*/
   output_high (PORTB, ryon);   /*relay on*/
      delay_ms (15)};
   {if output_high (PORTB, switch);
      goto switch2};
}

switch2 ():         /*debounce 2 for off state...*/
{
   counter=0;
   {while output_high (PORTB, switch);
      start=counter;
      if counter <85;
         goto switch2;}
      {elseif counter >=85;
         goto offstate;}
}

offstate ():         
{
   {output_high (PORTB, rled);
   output_low (PORTB, bled);
   output_high (PORTB, ryoff);
      delay_ms (15)}
   {if output_high (PORTB, switch);
      goto switch1}
}

// for syntax checking under cygwin and native gcc (gcc -c or gcc -S)
// should be deleted, of course, with avr-gcc
#define PORTB 1
#include <stdint.h>

#define TIME2DEBOUNCE 85 // ms to see whether the switch is dreaming
#define MAXSTATES 2 // Two states are allowed (1 , 2)

uint8_t changestate(uint8_t state, uint8_t behavior, uint8_t push_button,
      uint8_t debouncetime){
   /* push-button is the portsB'sspin
    *
    * behavior is what one wants to do
    * == 1 -> one waits until key is depressed
    * else -> one goes on, the LEDS and the relay being
    * allowed to change states every
    * 1/10 seconds...
    *
    * state is the present state
    */

   uint8_t aux;
   aux = state;
   if (~input_high(PORTB,push_button))  return (state); // do not change state
   delay_ms(debounce_time);
   if (input_high(PORTB,push_button))
   {
      aux = state + 1;
      if (aux > MAXSTATES) aux=1;
   }
   /*
    * some code to account quickly for state changes could be put there
    */
   if (behavior == 1)
   {
      while (input_high(PORTB,push_button)) ;
        }

   return(aux);
}