text: /****************************************************************************
   * configs/nucleo-h743zi/src/stm32_bringup.c
   *
   *   Copyright (C) 2018 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/types.h>
  #include <sys/mount.h>
  #include <syslog.h>
  #include <errno.h>
  
  #include "nucleo-h743zi.h"
  
  #ifdef CONFIG_BUTTONS
  #  include <nuttx/input/buttons.h>
  #endif
  
  /****************************************************************************
   * Public Functions
   ****************************************************************************/
  
  /****************************************************************************
   * Name: stm32_bringup
   *
   * Description:
   *   Perform architecture-specific initialization
   *
   *   CONFIG_BOARD_LATE_INITIALIZE=y :
   *     Called from board_late_initialize().
   *
   *   CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y && CONFIG_NSH_ARCHINIT:
   *     Called from the NSH library
   *
   ****************************************************************************/
  
  int stm32_bringup(void)
  {
    int ret = OK;
  
    UNUSED(ret);
  
  #ifdef CONFIG_FS_PROCFS
  #ifdef CONFIG_STM32_CCM_PROCFS
    /* Register the CCM procfs entry.  This must be done before the procfs is
     * mounted.
     */
  
    (void)ccm_procfs_register();
  #endif  /* CONFIG_STM32_CCM_PROCFS */
  
    /* Mount the procfs file system */
  
    ret = mount(NULL, STM32_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
    if (ret < 0)
      {
        syslog(LOG_ERR,
               "ERROR: Failed to mount the PROC filesystem: %d (%d)\n",
               ret, errno);
      }
  #endif  /* CONFIG_FS_PROCFS */
  
  #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  /* CONFIG_BUTTONS */
  
  #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  /* CONFIG_ADC */
  
  #ifdef CONFIG_SENSORS_LSM6DSL
    ret = stm32_lsm6dsl_initialize("/dev/lsm6dsl0");
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to initialize LSM6DSL driver: %d\n", ret);
      }
  #endif  /* CONFIG_SENSORS_LSM6DSL */
  
  #ifdef CONFIG_SENSORS_LSM303AGR
    ret = stm32_lsm303agr_initialize("/dev/lsm303mag0");
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to initialize LSM303AGR driver: %d\n", ret);
      }
  #endif  /* CONFIG_SENSORS_LSM303AGR */
  
  #ifdef CONFIG_WL_NRF24L01
    ret = stm32_wlinitialize();
    if (ret < 0)
      {
        syslog(LOG_ERR, "ERROR: Failed to initialize wireless driver: %d\n", ret);
      }
  #endif  /* CONFIG_WL_NRF24L01 */
  
    return OK;
  }
  