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
125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/** @defgroup gpio_defines GPIO Defines
|
|
|
|
@brief <b>Defined Constants and Types for the LPC13xx General Purpose I/O</b>
|
|
|
|
@ingroup LPC13xx_defines
|
|
|
|
@version 1.0.0
|
|
|
|
@author @htmlonly © @endhtmlonly 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
|
|
|
@date 10 March 2013
|
|
|
|
LGPL License Terms @ref lgpl_license
|
|
*/
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
|
|
*
|
|
* 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 LPC13XX_GPIO_H
|
|
#define LPC13XX_GPIO_H
|
|
|
|
#include <libopencm3/cm3/common.h>
|
|
#include <libopencm3/lpc13xx/memorymap.h>
|
|
|
|
/* --- Convenience macros -------------------------------------------------- */
|
|
|
|
/* GPIO port base addresses (for convenience) */
|
|
#define GPIO0 GPIO_PIO0_BASE
|
|
#define GPIO1 GPIO_PIO1_BASE
|
|
#define GPIO2 GPIO_PIO2_BASE
|
|
#define GPIO3 GPIO_PIO3_BASE
|
|
|
|
/* --- GPIO registers ------------------------------------------------------ */
|
|
|
|
/* GPIO data register (GPIOn_DATA) */
|
|
#define GPIO_DATA(port) MMIO32((port) + 0x3ffc)
|
|
#define GPIO0_DATA GPIO_DATA(GPIO0)
|
|
#define GPIO1_DATA GPIO_DATA(GPIO1)
|
|
#define GPIO2_DATA GPIO_DATA(GPIO2)
|
|
#define GPIO3_DATA GPIO_DATA(GPIO3)
|
|
|
|
/* GPIO data direction register (GPIOn_DIR) */
|
|
#define GPIO_DIR(port) MMIO32((port) + 0x00)
|
|
#define GPIO0_DIR GPIO_DIR(GPIO0)
|
|
#define GPIO1_DIR GPIO_DIR(GPIO1)
|
|
#define GPIO2_DIR GPIO_DIR(GPIO2)
|
|
#define GPIO3_DIR GPIO_DIR(GPIO3)
|
|
|
|
/* GPIO interrupt sense register (GPIOn_IS) */
|
|
#define GPIO_IS(port) MMIO32((port) + 0x04)
|
|
#define GPIO0_IS GPIO_IS(GPIO0)
|
|
#define GPIO1_IS GPIO_IS(GPIO1)
|
|
#define GPIO2_IS GPIO_IS(GPIO2)
|
|
#define GPIO3_IS GPIO_IS(GPIO3)
|
|
|
|
/* GPIO interrupt both edges sense register (GPIOn_IBE) */
|
|
#define GPIO_IBE(port) MMIO32((port) + 0x08)
|
|
#define GPIO0_IBE GPIO_IBE(GPIO0)
|
|
#define GPIO1_IBE GPIO_IBE(GPIO1)
|
|
#define GPIO2_IBE GPIO_IBE(GPIO2)
|
|
#define GPIO3_IBE GPIO_IBE(GPIO3)
|
|
|
|
/* GPIO interrupt event register (GPIOn_IEV) */
|
|
#define GPIO_IEV(port) MMIO32((port) + 0x0c)
|
|
#define GPIO0_IEV GPIO_IEV(GPIO0)
|
|
#define GPIO1_IEV GPIO_IEV(GPIO1)
|
|
#define GPIO2_IEV GPIO_IEV(GPIO2)
|
|
#define GPIO3_IEV GPIO_IEV(GPIO3)
|
|
|
|
/* GPIO interrupt mask register (GPIOn_IE) */
|
|
#define GPIO_IE(port) MMIO16((port) + 0x10)
|
|
#define GPIO0_IE GPIO_IE(GPIO0)
|
|
#define GPIO1_IE GPIO_IE(GPIO1)
|
|
#define GPIO2_IE GPIO_IE(GPIO2)
|
|
#define GPIO3_IE GPIO_IE(GPIO3)
|
|
|
|
/* FIXME: IRS or RIS? Datasheet is not consistent here. */
|
|
/* GPIO raw interrupt status register (GPIOn_IRS) */
|
|
#define GPIO_IRS(port) MMIO16((port) + 0x14)
|
|
#define GPIO0_IRS GPIO_IRS(GPIO0)
|
|
#define GPIO1_IRS GPIO_IRS(GPIO1)
|
|
#define GPIO2_IRS GPIO_IRS(GPIO2)
|
|
#define GPIO3_IRS GPIO_IRS(GPIO3)
|
|
|
|
/* GPIO masked interrupt status register (GPIOn_MIS) */
|
|
#define GPIO_MIS(port) MMIO16((port) + 0x18)
|
|
#define GPIO0_MIS GPIO_MIS(GPIO0)
|
|
#define GPIO1_MIS GPIO_MIS(GPIO1)
|
|
#define GPIO2_MIS GPIO_MIS(GPIO2)
|
|
#define GPIO3_MIS GPIO_MIS(GPIO3)
|
|
|
|
/* GPIO interrupt clear register (GPIOn_IC) */
|
|
#define GPIO_IC(port) MMIO16((port) + 0x1c)
|
|
#define GPIO0_IC GPIO_IC(GPIO0)
|
|
#define GPIO1_IC GPIO_IC(GPIO1)
|
|
#define GPIO2_IC GPIO_IC(GPIO2)
|
|
#define GPIO3_IC GPIO_IC(GPIO3)
|
|
|
|
BEGIN_DECLS
|
|
|
|
void gpio_set(uint32_t gpioport, uint16_t gpios);
|
|
|
|
END_DECLS
|
|
|
|
/**@}*/
|
|
|
|
#endif
|