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Diffstat (limited to 'libopencm3/include/libopencm3/lpc13xx/gpio.h')
| -rw-r--r-- | libopencm3/include/libopencm3/lpc13xx/gpio.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/lpc13xx/gpio.h b/libopencm3/include/libopencm3/lpc13xx/gpio.h new file mode 100644 index 0000000..907533a --- /dev/null +++ b/libopencm3/include/libopencm3/lpc13xx/gpio.h @@ -0,0 +1,124 @@ +/** @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 |