/*
 * simple led / push button based Arduino puzzle.
 */
#include <Arduino.h>

#include "Led.hh"
#include "Button.hh"

Led internal(13);

Led lamp[] = { Led(3), Led(4), Led(5), Led(7), Led(8) };
const int nlamp = sizeof(lamp) / sizeof(*lamp);

Button button[] = { Button(10), Button(11), Button(12) };
const int nbutton = sizeof(button) / sizeof(*button);

void setup() {
	internal.turn_on();
	// init
	internal.turn_off();
}


void loop() {
	const int btn0 = (button[0].probe() == Button::CHANGED_AND_PRESSED);
	const int btn1 = (button[1].probe() == Button::CHANGED_AND_PRESSED);
	const int btn2 = (button[2].probe() == Button::CHANGED_AND_PRESSED);

	/* toggle 0, 1, 2 if button 0, 1, 2 is pressed (respectively) */
	if (btn0)
		lamp[0].toggle();
	if (btn1)
		lamp[1].toggle();
	if (btn2)
		lamp[2].toggle();

	/* toggle 3 if any of the button is pressed */
	if (btn0 | btn1 | btn2)
		lamp[3].toggle();

	/* toggle 4 if more than one button is pressed */
	if (btn0 + btn1 + btn2 > 1)
		lamp[4].toggle();

	delay(100); /* FIXME */
}