71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2015 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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 program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GPIO_H
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#define __GPIO_H
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/stm32/memorymap.h>
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#include <libopencm3/stm32/gpio.h>
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#define INLINE_GPIO
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#define gpio_set_val(port, pin, val) do { \
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if(val) \
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gpio_set((port), (pin)); \
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else \
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gpio_clear((port), (pin)); \
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} while(0)
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#ifdef INLINE_GPIO
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static inline void _gpio_set(uint32_t gpioport, uint16_t gpios)
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{
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GPIO_BSRR(gpioport) = gpios;
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#ifdef STM32F4
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/* FIXME: Check if doubling is still needed */
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GPIO_BSRR(gpioport) = gpios;
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#endif
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}
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#define gpio_set _gpio_set
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static inline void _gpio_clear(uint32_t gpioport, uint16_t gpios)
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{
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#if defined(STM32F4)
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GPIO_BSRR(gpioport) = gpios<<16;
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/* FIXME: Check if doubling is still needed */
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GPIO_BSRR(gpioport) = gpios<<16;
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#elif defined(GPIO_BRR)
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GPIO_BRR(gpioport) = gpios;
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#else
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GPIO_BSRR(gpioport) = gpios<<16;
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#endif
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}
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#define gpio_clear _gpio_clear
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static inline uint16_t _gpio_get(uint32_t gpioport, uint16_t gpios)
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{
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return (uint16_t)GPIO_IDR(gpioport) & gpios;
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}
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#define gpio_get _gpio_get
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#endif
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#endif
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