libopencm3/lib/lm3s/gpio.c

32 lines
1.0 KiB
C

/*
* 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(u32 gpioport, u8 gpios)
{
/* ipaddr[9:2] mask the bits to be set, hence the array index */
GPIO_DATA(gpioport)[gpios] = 0xff;
}
void gpio_clear(u32 gpioport, u8 gpios)
{
GPIO_DATA(gpioport)[gpios] = 0;
}