hackrf

/*
 * Copyright 2014-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
 *
 * This file is part of HackRF.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#include "gpio_lpc.h"

#include <stddef.h>

void gpio_init(void)
{
	for (size_t i = 0; i < 8; i++) {
		GPIO_LPC_PORT(i)->dir = 0;
	}
}

void gpio_set(gpio_t gpio)
{
	gpio->port->set = gpio->mask;
}

void gpio_clear(gpio_t gpio)
{
	gpio->port->clr = gpio->mask;
}

void gpio_toggle(gpio_t gpio)
{
	gpio->port->inv = gpio->mask;
}

void gpio_output(gpio_t gpio)
{
	gpio->port->dir |= gpio->mask;
}

void gpio_input(gpio_t gpio)
{
	gpio->port->dir &= ~gpio->mask;
}

void gpio_write(gpio_t gpio, const bool value)
{
	*gpio->gpio_w = value;
}

bool gpio_read(gpio_t gpio)
{
	return *gpio->gpio_w;
}