c72f3d588a
All the macro arguments that are user supplied, or potentially, wrap properly in () as good practice. Probably missed one or two, and a lot of them are possibly unnecessary, but it's straightforward to just do it always. Fixes github issue #321
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/** @defgroup gpio_defines General Purpose I/O Defines
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@brief <b>Defined Constants and Types for the LM3S General Purpose I/O</b>
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@ingroup LM3Sxx_defines
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@version 1.0.0
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@author @htmlonly © @endhtmlonly 2011
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Gareth McMullin <gareth@blacksphere.co.nz>
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@date 10 March 2013
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LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2011 Gareth McMullin <gareth@blacksphere.co.nz>
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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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#ifndef LM3S_GPIO_H
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#define LM3S_GPIO_H
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/**@{*/
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/lm3s/memorymap.h>
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/* --- Convenience macros -------------------------------------------------- */
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/* GPIO port base addresses (for convenience) */
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#define GPIOA GPIOA_APB_BASE
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#define GPIOB GPIOB_APB_BASE
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#define GPIOC GPIOC_APB_BASE
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#define GPIOD GPIOD_APB_BASE
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#define GPIOE GPIOE_APB_BASE
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#define GPIOF GPIOF_APB_BASE
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#define GPIOG GPIOG_APB_BASE
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#define GPIOH GPIOH_APB_BASE
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/* GPIO number definitions (for convenience) */
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#define GPIO0 (1 << 0)
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#define GPIO1 (1 << 1)
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#define GPIO2 (1 << 2)
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#define GPIO3 (1 << 3)
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#define GPIO4 (1 << 4)
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#define GPIO5 (1 << 5)
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#define GPIO6 (1 << 6)
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#define GPIO7 (1 << 7)
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/* --- GPIO registers ------------------------------------------------------ */
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#define GPIO_DATA(port) (&MMIO32((port) + 0x000))
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#define GPIO_DIR(port) MMIO32((port) + 0x400)
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#define GPIO_IS(port) MMIO32((port) + 0x404)
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#define GPIO_IBE(port) MMIO32((port) + 0x408)
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#define GPIO_IEV(port) MMIO32((port) + 0x40c)
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#define GPIO_IM(port) MMIO32((port) + 0x410)
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#define GPIO_RIS(port) MMIO32((port) + 0x414)
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#define GPIO_MIS(port) MMIO32((port) + 0x418)
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#define GPIO_ICR(port) MMIO32((port) + 0x41c)
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#define GPIO_AFSEL(port) MMIO32((port) + 0x420)
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#define GPIO_DR2R(port) MMIO32((port) + 0x500)
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#define GPIO_DR4R(port) MMIO32((port) + 0x504)
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#define GPIO_DR8R(port) MMIO32((port) + 0x508)
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#define GPIO_ODR(port) MMIO32((port) + 0x50c)
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#define GPIO_PUR(port) MMIO32((port) + 0x510)
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#define GPIO_PDR(port) MMIO32((port) + 0x514)
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#define GPIO_SLR(port) MMIO32((port) + 0x518)
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#define GPIO_DEN(port) MMIO32((port) + 0x51c)
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#define GPIO_LOCK(port) MMIO32((port) + 0x520)
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#define GPIO_CR(port) MMIO32((port) + 0x524)
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#define GPIO_AMSEL(port) MMIO32((port) + 0x528)
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BEGIN_DECLS
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void gpio_set(uint32_t gpioport, uint8_t gpios);
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void gpio_clear(uint32_t gpioport, uint8_t gpios);
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END_DECLS
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/**@}*/
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#endif
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