/elec/propeller-clock

/*

 * common.cc

 *

 * Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston.

 *

 * This file is part of propeller-clock (hereafter referred to as "this

 * program"). See http://ed.am/dev/software/arduino/propeller-clock for more

 * information.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published

 * by the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include "common.h"

#include "Arduino.h"

void led( int led, bool on )

{

	if( led < 0 || led > 9 ) return;

	// convert to pin no.

	led += 4;

	// pin 4 needs to be inverted (it's driving a PNP)

	if( led == 4 ) on = !on;

	digitalWrite( led, on? HIGH : LOW );

}

void leds_off()

{

	for( int a = 0; a < 10; a++ )

		led( a, false );

}