/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * This library 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 library 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 library.  If not, see <http://www.gnu.org/licenses/>.
 */

// #include <libopencm3/lpc13xx/rcc.h>
#include <libopencm3/lpc13xx/gpio.h>

void gpio_setup(void)
{
	GPIO3_DIR |= (1 << 0); /* Configure P3_0 as output. */
}

int main(void)
{
	int i;

	gpio_setup();

	/* Blink LED0 (P3_0) on the board. */
	while (1) {
		/* Manually: */
		GPIO3_DATA |= (1 << 0);		/* LED off */
		for (i = 0; i < 800000; i++)	/* Wait a bit. */
			__asm__("nop");
		GPIO3_DATA &= ~(1 << 0);	/* LED on */
		for (i = 0; i < 800000; i++)	/* Wait a bit. */
			__asm__("nop");
	}

	return 0;
}