nuttx/boards/arm/stm32/stm32f3discovery/src/stm32_bringup.c

/****************************************************************************
 * boards/arm/stm32/stm32f3discovery/src/stm32_bringup.c
 *
 *   Copyright (C) 2013, 2016, 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 <stdbool.h>
#include <stdio.h>
#include <syslog.h>
#include <errno.h>

#include <nuttx/board.h>

#ifdef CONFIG_USBMONITOR
#  include <nuttx/usb/usbmonitor.h>
#endif

#include "stm32.h"
#include "stm32f3discovery.h"

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

/* Configuration ************************************************************/

#define HAVE_USBDEV     1
#define HAVE_USBMONITOR 1

/* Can't support USB device features if the STM32 USB peripheral is not
 * enabled.
 */

#ifndef CONFIG_STM32_USB
#  undef HAVE_USBDEV
#  undef HAVE_USBMONITOR
#endif

/* Can't support USB device is USB device is not enabled */

#ifndef CONFIG_USBDEV
#  undef HAVE_USBDEV
#  undef HAVE_USBMONITOR
#endif

/* Check if we should enable the USB monitor before starting NSH */

#if !defined(CONFIG_USBDEV_TRACE) || !defined(CONFIG_USBMONITOR)
#  undef HAVE_USBMONITOR
#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=y && CONFIG_LIB_BOARDCTL=y :
 *     Called from the NSH library
 *
 ****************************************************************************/

int stm32_bringup(void)
{
  int ret = OK;

#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

#ifdef CONFIG_PWM
  /* Initialize PWM and register the PWM device. */

  ret = stm32_pwm_setup();
  if (ret < 0)
    {
      syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
    }
#endif

#ifdef CONFIG_SENSORS_QENCODER
  /* Initialize and register the qencoder driver */

  ret = stm32_qencoder_initialize("/dev/qe0", CONFIG_STM32F3DISCO_QETIMER);
  if (ret != OK)
    {
      syslog(LOG_ERR,
             "ERROR: Failed to register the qencoder: %d\n",
             ret);
      return ret;
    }
#endif

  return ret;
}