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
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/** @defgroup VF6xx_gpio_defines GPIO Defines
|
|
*
|
|
* @brief <b>Defined Constants and Types for the VF6xx GPIO Module</b>
|
|
*
|
|
* @ingroup VF6xx_defines
|
|
*
|
|
* @version 1.0.0
|
|
*
|
|
* @author @htmlonly © @endhtmlonly 2014
|
|
* Stefan Agner <stefan@agner.ch>
|
|
*
|
|
* @date 03 July 2014
|
|
*
|
|
* LGPL License Terms @ref lgpl_license
|
|
* */
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2014 Stefan Agner <stefan@agner.ch>
|
|
*
|
|
* 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 LIBOPENCM3_VF6XX_GPIO_H
|
|
#define LIBOPENCM3_VF6XX_GPIO_H
|
|
|
|
#include <libopencm3/cm3/common.h>
|
|
#include <libopencm3/vf6xx/memorymap.h>
|
|
|
|
/* --- Convenience macros -------------------------------------------------- */
|
|
|
|
/****************************************************************************/
|
|
/** @defgroup gpio_reg_base GPIO register base addresses
|
|
@ingroup VF6xx_gpio_defines
|
|
|
|
@{*/
|
|
#define GPIO(port) (GPIO_BASE + (0x040 * (port)))
|
|
#define GPIO0 (GPIO_BASE + 0x000)
|
|
#define GPIO1 (GPIO_BASE + 0x040)
|
|
#define GPIO2 (GPIO_BASE + 0x080)
|
|
#define GPIO3 (GPIO_BASE + 0x0C0)
|
|
#define GPIO4 (GPIO_BASE + 0x100)
|
|
|
|
#define GPIO_OFFSET(gpio) (0x1 << ((gpio) % 32))
|
|
|
|
/* --- GPIO registers ------------------------------------------------------ */
|
|
|
|
#define GPIO_PDOR(gpio_base) MMIO32((gpio_base) + 0x00)
|
|
#define GPIO_PSOR(gpio_base) MMIO32((gpio_base) + 0x04)
|
|
#define GPIO_PCOR(gpio_base) MMIO32((gpio_base) + 0x08)
|
|
#define GPIO_PTOR(gpio_base) MMIO32((gpio_base) + 0x0C)
|
|
#define GPIO_PDIR(gpio_base) MMIO32((gpio_base) + 0x10)
|
|
|
|
/* --- Function prototypes ------------------------------------------------- */
|
|
|
|
#include <libopencm3/cm3/common.h>
|
|
|
|
BEGIN_DECLS
|
|
|
|
void gpio_set(uint32_t gpio);
|
|
void gpio_clear(uint32_t gpio);
|
|
bool gpio_get(uint32_t gpio);
|
|
void gpio_toggle(uint32_t gpio);
|
|
uint32_t gpio_port_read(uint32_t gpioport);
|
|
void gpio_port_write(uint32_t gpioport, uint32_t data);
|
|
|
|
END_DECLS
|
|
|
|
#endif
|