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Diffstat (limited to 'libopencm3/lib/lm3s/gpio.c')
| -rw-r--r-- | libopencm3/lib/lm3s/gpio.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libopencm3/lib/lm3s/gpio.c b/libopencm3/lib/lm3s/gpio.c new file mode 100644 index 0000000..e0dd264 --- /dev/null +++ b/libopencm3/lib/lm3s/gpio.c @@ -0,0 +1,52 @@ +/** @defgroup gpio_file General Purpose I/O + +@brief <b>LM3S General Purpose I/O</b> + +@ingroup LM3Sxx + +@version 1.0.0 + +@author @htmlonly © @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; +} + +/**@}*/ + |