nuttx/boards/arm/stm32f7/stm32f746-ws/src/stm32_appinitialize.c

/****************************************************************************
 * boards/arm/stm32f7/stm32f746-ws/src/stm32_appinitilaize.c
 *
 *   Copyright (C) 2016 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *   Author: Mark Olsson <post@markolsson.se>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

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

#include <nuttx/config.h>
#include <syslog.h>
#include <debug.h>
#include <nuttx/i2c/i2c_master.h>
#include <nuttx/leds/userled.h>

#include "stm32f746-ws.h"
#include "stm32_i2c.h"

static void stm32_i2c_register(int bus)
{
  FAR struct i2c_master_s *i2c;
  int ret;

  i2c = stm32_i2cbus_initialize(bus);
  if (i2c == NULL)
    {
      serr("ERROR: Failed to get I2C%d interface\n", bus);
    }
  else
    {
      ret = i2c_register(i2c, bus);
      if (ret < 0)
        {
          serr("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
          stm32_i2cbus_uninitialize(i2c);
        }
    }
}

static void stm32_i2ctool(void)
{
  stm32_i2c_register(1);
}

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

/****************************************************************************
 * Name: board_app_initialize
 *
 * Description:
 *   Perform application specific initialization.  This function is never
 *   called directly from application code, but only indirectly via the
 *   (non-standard) boardctl() interface using the command BOARDIOC_INIT.
 *
 ****************************************************************************/

int board_app_initialize(void)
{
  /* Register I2C drivers on behalf of the I2C tool */

  stm32_i2ctool();

#if defined(CONFIG_FAT_DMAMEMORY)
  if (stm32_dma_alloc_init() < 0)
    {
      syslog(LOG_ERR, "DMA alloc FAILED");
    }
#endif

#ifdef CONFIG_STM32F7_SDMMC1
  /* Initialize the SDIO block driver */

  int ret = OK;

  ret = stm32_sdio_initialize();
  if (ret != OK)
    {
      ferr("ERROR: Failed to initialize MMC/SD driver: %d\n", ret);
      return ret;
    }
#endif

  return OK;
}