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/** @defgroup gpio_defines General Purpose I/O Defines
@brief <b>Defined Constants and Types for the LM3S General Purpose I/O</b>
@ingroup LM3Sxx_defines
@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/>.
*/
#ifndef LM3S_GPIO_H
#define LM3S_GPIO_H
/**@{*/
#include <libopencm3/cm3/common.h>
#include <libopencm3/lm3s/memorymap.h>
/* --- Convenience macros -------------------------------------------------- */
/* GPIO port base addresses (for convenience) */
#define GPIOA GPIOA_APB_BASE
#define GPIOB GPIOB_APB_BASE
#define GPIOC GPIOC_APB_BASE
#define GPIOD GPIOD_APB_BASE
#define GPIOE GPIOE_APB_BASE
#define GPIOF GPIOF_APB_BASE
#define GPIOG GPIOG_APB_BASE
#define GPIOH GPIOH_APB_BASE
/* GPIO number definitions (for convenience) */
#define GPIO0 (1 << 0)
#define GPIO1 (1 << 1)
#define GPIO2 (1 << 2)
#define GPIO3 (1 << 3)
#define GPIO4 (1 << 4)
#define GPIO5 (1 << 5)
#define GPIO6 (1 << 6)
#define GPIO7 (1 << 7)
/* --- GPIO registers ------------------------------------------------------ */
#define GPIO_DATA(port) (&MMIO32(port + 0x000))
#define GPIO_DIR(port) MMIO32(port + 0x400)
#define GPIO_IS(port) MMIO32(port + 0x404)
#define GPIO_IBE(port) MMIO32(port + 0x408)
#define GPIO_IEV(port) MMIO32(port + 0x40c)
#define GPIO_IM(port) MMIO32(port + 0x410)
#define GPIO_RIS(port) MMIO32(port + 0x414)
#define GPIO_MIS(port) MMIO32(port + 0x418)
#define GPIO_ICR(port) MMIO32(port + 0x41c)
#define GPIO_AFSEL(port) MMIO32(port + 0x420)
#define GPIO_DR2R(port) MMIO32(port + 0x500)
#define GPIO_DR4R(port) MMIO32(port + 0x504)
#define GPIO_DR8R(port) MMIO32(port + 0x508)
#define GPIO_ODR(port) MMIO32(port + 0x50c)
#define GPIO_PUR(port) MMIO32(port + 0x510)
#define GPIO_PDR(port) MMIO32(port + 0x514)
#define GPIO_SLR(port) MMIO32(port + 0x518)
#define GPIO_DEN(port) MMIO32(port + 0x51c)
#define GPIO_LOCK(port) MMIO32(port + 0x520)
#define GPIO_CR(port) MMIO32(port + 0x524)
#define GPIO_AMSEL(port) MMIO32(port + 0x528)
BEGIN_DECLS
void gpio_set(uint32_t gpioport, uint8_t gpios);
void gpio_clear(uint32_t gpioport, uint8_t gpios);
END_DECLS
/**@}*/
#endif
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