boards/arm/stm32f7/stm32f746-ws/src/stm32f746-ws.h

/****************************************************************************
 * boards/arm/stm32f7/stm32f746-ws/src/stm32f746-ws.h
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __BOARDS_ARM_STM32F7_STM32F746_WS_SRC_STM32F746_WS_H
#define __BOARDS_ARM_STM32F7_STM32F746_WS_SRC_STM32F746_WS_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* procfs File System */

#ifdef CONFIG_FS_PROCFS
#  ifdef CONFIG_NSH_PROC_MOUNTPOINT
#    define STM32_PROCFS_MOUNTPOINT CONFIG_NSH_PROC_MOUNTPOINT
#  else
#    define STM32_PROCFS_MOUNTPOINT "/proc"
#  endif
#endif

/* STM32F736G Discovery GPIOs ***********************************************/

/* The STM32F746G-DISCO board has numerous LEDs but only one,
 * LD1 located near the reset button, that can be controlled by software
 * (LD2 is a power indicator, LD3-6 indicate USB status, LD7 is controlled by
 * the ST-Link).
 *
 * LD1 is controlled by PI1 which is also the SPI2_SCK at the Arduino
 * interface. One end of LD1 is  grounded so a high output on PI1 will
 * illuminate the LED.
 */

#define GPIO_LD1           (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | GPIO_OUTPUT_CLEAR | \
                            GPIO_PORTB | GPIO_PIN0)
#define GPIO_LD2           (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | GPIO_OUTPUT_CLEAR | \
                            GPIO_PORTB | GPIO_PIN7)
#define GPIO_LD3           (GPIO_OUTPUT | GPIO_PUSHPULL | GPIO_SPEED_50MHz | GPIO_OUTPUT_CLEAR | \
                            GPIO_PORTB | GPIO_PIN14)

#define LED_DRIVER_PATH "/dev/userleds"

/* Pushbutton B1, labelled "User", is connected to GPIO PC13.
 * A high value will be sensed when the button is depressed.
 * Note that the EXTI interrupt is configured.
 */

#define GPIO_BTN_USER      (GPIO_INPUT | GPIO_FLOAT | GPIO_EXTI | GPIO_PORTC | GPIO_PIN13)

#define GPIO_OTGFS_VBUS    (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|\
                            GPIO_OPENDRAIN|GPIO_PORTA|GPIO_PIN9)

#define SDIO_SLOTNO        0
#define SDIO_MINOR         0

/****************************************************************************
 * Public Data
 ****************************************************************************/

#ifndef __ASSEMBLY__

/****************************************************************************
 * Public Functions Definitions
 ****************************************************************************/

/****************************************************************************
 * Name: stm32_spidev_initialize
 *
 * Description:
 *   Called to configure SPI chip select GPIO pins for the stm32f746g-disco
 *   board.
 *
 ****************************************************************************/

void weak_function stm32_spidev_initialize(void);

/****************************************************************************
 * Name: stm32_sdio_initialize
 *
 * Description:
 *   Initialize SDIO-based MMC/SD card support
 *
 ****************************************************************************/

#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_STM32F7_SDMMC1)
int stm32_sdio_initialize(void);
#endif

/****************************************************************************
 * Name: stm32_dma_alloc_init
 *
 * Description:
 *   Called to create a FAT DMA allocator
 *
 * Returned Value:
 *   0 on success or -ENOMEM
 *
 ****************************************************************************/

#if defined (CONFIG_FAT_DMAMEMORY)
int stm32_dma_alloc_init(void);
#endif

#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_STM32F7_STM32F746_WS_SRC_STM32F746_WS_H */