From 1dc7d758f96dd2b9bd7b03f01ca032d68b696cf0 Mon Sep 17 00:00:00 2001 From: root Date: Sun, 2 Nov 2014 10:14:39 +0000 Subject: fish --- libopencm3/lib/lm3s/gpio.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 libopencm3/lib/lm3s/gpio.c (limited to 'libopencm3/lib/lm3s/gpio.c') 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 LM3S General Purpose I/O + +@ingroup LM3Sxx + +@version 1.0.0 + +@author @htmlonly © @endhtmlonly 2011 +Gareth McMullin + +@date 10 March 2013 + +LGPL License Terms @ref lgpl_license +*/ + +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2011 Gareth McMullin + * + * 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 . + */ + +/**@{*/ + +#include + +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; +} + +/**@}*/ + -- cgit v1.2.3