gistfile1.c

typedef enum {
  STATE_MAIN,
  STATE_RECEIVE,
  STATE_SEND,
  STATE_PLAY
} state_t;

void state_machine() {
    while(1)
    {
		switch(state)
		{
			case STATE_MAIN:
			{
				check_buttons();
				break;
			}
			case STATE_RECEIVE:
			{
				read_ir_data();
				break;
			}
			case STATE_SEND:
			{
				//TODO: Turn on some LEDs to signify data being sent (no PWM)
				send_data(currentTune);
				state = STATE_MAIN;
				_delay_ms(1000);
				break;
			}
			case STATE_PLAY:
			{
				play_tune(currentTune);
				state = STATE_MAIN;
				break;
			}
			default:
			{
				state = STATE_MAIN;
				break;
			}
		}
    }
}