55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Gareth McMullin <gareth@blacksphere.co.nz>
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* Copyright (C) 2014 Felix Held <felix-libopencm3@felixheld.de>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA GPIO.H
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The order of header inclusion is important. gpio.h includes the device
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specific memorymap.h header before including this header file.*/
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#if defined(LIBOPENCM3_GPIO_H)
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#ifndef LIBOPENCM3_GPIO_COMMON_3N3S_H
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#define LIBOPENCM3_GPIO_COMMON_3N3S_H
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#include <libopencm3/sam/common/gpio_common_all.h>
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/* flags may be or'd together, but only contain one of
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* GPOUTPUT, PERIPHA, PERIPHB, PERIPHC and PERIPHD */
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enum gpio_flags {
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GPIO_FLAG_GPINPUT = 0,
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GPIO_FLAG_GPOUTPUT = 1,
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GPIO_FLAG_PERIPHA = 2,
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GPIO_FLAG_PERIPHB = 3,
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GPIO_FLAG_PERIPHC = 4,
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GPIO_FLAG_PERIPHD = 5,
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GPIO_FLAG_OPEN_DRAIN = (1 << 3),
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GPIO_FLAG_PULL_UP = (1 << 4),
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};
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void gpio_init(uint32_t gpioport, uint32_t pins, enum gpio_flags flags);
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#endif
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#else
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#warning "gpio_common_3n3s.h should not be included explicitly, only via gpio.h"
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#endif
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