67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/** @addtogroup gpio_defines
|
|
*
|
|
* @brief <b>Access functions for the SAM3 I/O Controller</b>
|
|
* @ingroup SAM3_defines
|
|
* LGPL License Terms @ref lgpl_license
|
|
* @author @htmlonly © @endhtmlonly 2012
|
|
* Gareth McMullin <gareth@blacksphere.co.nz>
|
|
* @author @htmlonly © @endhtmlonly 2014
|
|
* Felix Held <felix-libopencm3@felixheld.de>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2012 Gareth McMullin <gareth@blacksphere.co.nz>
|
|
* Copyright (C) 2014 Felix Held <felix-libopencm3@felixheld.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/sam/gpio.h>
|
|
|
|
/** @brief Atomic set output
|
|
*
|
|
* @param[in] gpioport uint32_t: GPIO Port base address
|
|
* @param[in] gpios uint32_t
|
|
*/
|
|
void gpio_set(uint32_t gpioport, uint32_t gpios)
|
|
{
|
|
PIO_SODR(gpioport) = gpios;
|
|
}
|
|
|
|
/** @brief Atomic clear output
|
|
*
|
|
* @param[in] gpioport uint32_t: GPIO Port base address
|
|
* @param[in] gpios uint32_t
|
|
*/
|
|
void gpio_clear(uint32_t gpioport, uint32_t gpios)
|
|
{
|
|
PIO_CODR(gpioport) = gpios;
|
|
}
|
|
|
|
/** @brief Toggle output
|
|
*
|
|
* @param[in] gpioport uint32_t: GPIO Port base address
|
|
* @param[in] gpios uint32_t
|
|
*/
|
|
void gpio_toggle(uint32_t gpioport, uint32_t gpios)
|
|
{
|
|
uint32_t odsr = PIO_ODSR(gpioport);
|
|
PIO_CODR(gpioport) = odsr & gpios;
|
|
PIO_SODR(gpioport) = ~odsr & gpios;
|
|
}
|
|
|