text: /****************************************************************************
   * config/clicker2-stm32/src/stm32_bringup.c
   *
   *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *
   * 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 <sys/mount.h>
  #include <stdbool.h>
  #include <stdio.h>
  #include <syslog.h>
  #include <errno.h>
  
  #include <nuttx/board.h>
  #include <nuttx/mmcsd.h>
  #include <nuttx/input/buttons.h>
  
  #ifdef CONFIG_USBMONITOR
  #  include <nuttx/usb/usbmonitor.h>
  #endif
  
  #include "stm32.h"
  #include "clicker2-stm32.h"
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: stm32_bringup
   *
   * Description:
   *   Perform architecture-specific initialization
   *
   *   CONFIG_BOARD_INITIALIZE=y :
   *     Called from board_initialize().
   *
   *   CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
   *     Called from the NSH library
   *
   ****************************************************************************/
  
  int stm32_bringup(void)
  {
  #ifdef HAVE_MMCSD
    FAR struct sdio_dev_s *sdio;
  #endif
    int ret;
  
  #ifdef CONFIG_FS_PROCFS
    /* Mount the procfs file system */
  
    ret = mount(NULL, "/proc", "procfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
      }
  #endif
  
  #ifdef HAVE_MMCSD
    /* Mount the SDIO-based MMC/SD block driver */
    /* First, get an instance of the SDIO interface */
  
    sdio = sdio_initialize(MMCSD_SLOTNO);
    if (!sdio)
      {
        syslog(LOG_ERR,
               "ERROR: Failed to initialize SDIO slot %d\n",
               MMCSD_SLOTNO);
        return -ENODEV;
      }
  
    /* Now bind the SDIO interface to the MMC/SD driver */
  
    ret = mmcsd_slotinitialize(MMCSD_MINOR, sdio);
    if (ret != OK)
      {
        syslog(LOG_ERR,
               "ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n",
               ret);
        return ret;
      }
  
    /* Then let's guess and say that there is a card in the slot.  The Olimex
     * STM32 P407 does not support a GPIO to detect if there is a card in
     * the slot so we are reduced to guessing.
     */
  
     sdio_mediachange(sdio, true);
  #endif
  
  #ifdef CONFIG_CAN
    /* Initialize CAN and register the CAN driver. */
  
    ret = stm32_can_setup();
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: stm32_can_setup failed: %d\n", ret);
      }
  #endif
  
  #ifdef CONFIG_ADC
    /* Initialize ADC and register the ADC driver. */
  
    ret = stm32_adc_setup();
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: stm32_adc_setup failed: %d\n", ret);
      }
  #endif
  
  #ifdef HAVE_USBMONITOR
    /* Start the USB Monitor */
  
    ret = usbmonitor_start();
    if (ret != OK)
      {
        syslog(LOG_ERR, "ERROR: Failed to start USB monitor: %d\n", ret);
      }
  #endif
  
  #if defined(CONFIG_CLICKER2_STM32_MB1_BEE) || defined(CONFIG_CLICKER2_STM32_MB2_BEE)
    /* Configure MRF24J40 wireless */
  
    ret = stm32_mrf24j40_initialize();
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: stm32_mrf24j40_initialize() failed: %d\n", ret);
      }
  #endif
  
  #ifdef CONFIG_BUTTONS
    /* Register the BUTTON driver */
  
    ret = btn_lower_initialize("/dev/buttons");
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret);
      }
  #endif
  
    UNUSED(ret);
    return OK;
  }
  