stm32f4-nucleo-test/libopencm3/lib/lm3s/gpio.c

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/** @defgroup gpio_file General Purpose I/O
@brief <b>LM3S General Purpose I/O</b>
@ingroup LM3Sxx
@version 1.0.0
@author @htmlonly &copy; @endhtmlonly 2011
Gareth McMullin <gareth@blacksphere.co.nz>
@date 10 March 2013
LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Gareth McMullin <gareth@blacksphere.co.nz>
*
* 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/lm3s/gpio.h>
void gpio_set(uint32_t gpioport, uint8_t gpios)
{
/* ipaddr[9:2] mask the bits to be set, hence the array index */
GPIO_DATA(gpioport)[gpios] = 0xff;
}
void gpio_clear(uint32_t gpioport, uint8_t gpios)
{
GPIO_DATA(gpioport)[gpios] = 0;
}
/**@}*/