1e3741cb20
* Include the doc-swm050.h core file that defines the base groups. * Fix/tweak groupings to make things consistent with other targets. * Drop redundant type information. That's all included from the function signatures automatically by doxygen. * Added register descriptions from datasheet.
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/** @defgroup gpio_defines GPIO Defines
|
|
*
|
|
* @brief <b>Defined Constants and Types for the SWM050 General Purpose I/O</b>
|
|
*
|
|
* @ingroup SWM050_defines
|
|
*
|
|
* LGPL License Terms @ref lgpl_license
|
|
*/
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2019 Icenowy Zheng <icenowy@aosc.io>
|
|
*
|
|
* 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_GPIO_H
|
|
#define LIBOPENCM3_GPIO_H
|
|
|
|
#include <libopencm3/cm3/common.h>
|
|
#include <libopencm3/swm050/memorymap.h>
|
|
|
|
/* GPIO number definitions (for convenience) */
|
|
/** @defgroup gpio_pin_id GPIO Pin Identifiers
|
|
|
|
@{*/
|
|
#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)
|
|
#define GPIO8 (1 << 8)
|
|
#define GPIO9 (1 << 9)
|
|
#define GPIO_ALL 0x3ff
|
|
/**@}*/
|
|
|
|
/* GPIO direction definitions */
|
|
/** @defgroup gpio_dir GPIO Pin Direction
|
|
@{*/
|
|
#define GPIO_INPUT 0x0
|
|
#define GPIO_OUTPUT 0x1
|
|
/**@}*/
|
|
|
|
/** @defgroup gpio_registers GPIO Registers
|
|
@{*/
|
|
/** Data register */
|
|
#define GPIO_DATA MMIO32(GPIO_BASE + 0x0)
|
|
/** Direction register */
|
|
#define GPIO_DIR MMIO32(GPIO_BASE + 0x4)
|
|
/** Interrupt enable register */
|
|
#define GPIO_INTEN MMIO32(GPIO_BASE + 0x30)
|
|
/** Interrupt mask register */
|
|
#define GPIO_INTMASK MMIO32(GPIO_BASE + 0x34)
|
|
/** Interrupt trigger mode register */
|
|
#define GPIO_INTLEVEL MMIO32(GPIO_BASE + 0x38)
|
|
/** Interrupt polarity register */
|
|
#define GPIO_INTPOLARITY MMIO32(GPIO_BASE + 0x3c)
|
|
/** Interrupt status after masking */
|
|
#define GPIO_INTSTATUS MMIO32(GPIO_BASE + 0x40)
|
|
/** Interrupt status before masking */
|
|
#define GPIO_INTRAWSTATUS MMIO32(GPIO_BASE + 0x44)
|
|
/** Interrupt clear register */
|
|
#define GPIO_INTEOI MMIO32(GPIO_BASE + 0x48)
|
|
/** External register (wat) */
|
|
#define GPIO_EXT MMIO32(GPIO_BASE + 0x4c)
|
|
|
|
/**@}*/
|
|
|
|
/** @defgroup syscon_register SYSCON Registers
|
|
* @note These registers are really part of the SYSCON system control space
|
|
* @{*/
|
|
/** SWD Enable register */
|
|
#define SWD_SEL MMIO32(SYSTEM_CON_BASE + 0x30)
|
|
/** GPIO Alternat function selection register */
|
|
#define GPIO_SEL MMIO32(SYSTEM_CON_BASE + 0x80)
|
|
/** GPIO Pull up register */
|
|
#define GPIO_PULLUP MMIO32(SYSTEM_CON_BASE + 0x90)
|
|
/** GPIO Input enable register */
|
|
#define GPIO_INEN MMIO32(SYSTEM_CON_BASE + 0xe0)
|
|
/*@}*/
|
|
|
|
BEGIN_DECLS
|
|
|
|
void gpio_set(uint16_t gpios);
|
|
void gpio_clear(uint16_t gpios);
|
|
uint16_t gpio_get(uint16_t gpios);
|
|
void gpio_toggle(uint16_t gpios);
|
|
|
|
void gpio_input(uint16_t gpios);
|
|
void gpio_output(uint16_t gpios);
|
|
void gpio_sel_af(uint16_t gpios, bool af_en);
|
|
void gpio_pullup(uint16_t gpios, bool en);
|
|
void gpio_in_en(uint16_t gpios, bool en);
|
|
|
|
void gpio_sel_swd(bool en);
|
|
|
|
END_DECLS
|
|
|
|
#endif
|
|
/**@}*/ |