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

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

/****************************************************************************
 * 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)
{
  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;
}