/****************************************************************************
 * config/stm32f4discovery/src/stm32_nsh.c
 *
 *   Copyright (C) 2012 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 <debug.h>
#include <errno.h>

#ifdef CONFIG_STM32_SDIO
#  include <nuttx/sdio.h>
#  include <nuttx/mmcsd.h>
#endif

#ifdef CONFIG_SYSTEM_USBMONITOR
#  include <apps/usbmonitor.h>
#endif

#ifdef CONFIG_STM32_OTGFS
#  include "stm32_usbhost.h"
#endif

#include "stm32.h"
#include "stm32f4discovery.h"

/****************************************************************************
 * Pre-Processor Definitions
 ****************************************************************************/

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

#define HAVE_USBDEV     1
#define HAVE_USBHOST    1
#define HAVE_USBMONITOR 1

/* Can't support USB host or device features if USB OTG FS is not enabled */

#ifndef CONFIG_STM32_OTGFS
#  undef HAVE_USBDEV
#  undef HAVE_USBHOST
#  undef HAVE_USBMONITOR
#endif

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

#ifndef CONFIG_USBDEV
#  undef HAVE_USBDEV
#  undef HAVE_USBMONITOR
#endif

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

#ifndef CONFIG_USBHOST
#  undef HAVE_USBHOST
#endif

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

#if !defined(CONFIG_USBDEV_TRACE) || !defined(CONFIG_SYSTEM_USBMONITOR)
#  undef HAVE_USBMONITOR
#endif

/* Debug ********************************************************************/

#ifdef CONFIG_CPP_HAVE_VARARGS
#  if defined(CONFIG_DEBUG) || !defined(CONFIG_NSH_ARCHINIT)
#    define message(...) lowsyslog(__VA_ARGS__)
#  else
#    define message(...) printf(__VA_ARGS__)
#  endif
#else
#  if defined(CONFIG_DEBUG) || !defined(CONFIG_NSH_ARCHINIT)
#    define message lowsyslog
#  else
#    define message printf
#  endif
#endif

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

/****************************************************************************
 * Name: nsh_archinitialize
 *
 * Description:
 *   Perform architecture specific initialization
 *
 *   CONFIG_NSH_ARCHINIT=y :
 *     Called from the NSH library
 *
 *   CONFIG_BOARD_INITIALIZE=y, CONFIG_NSH_LIBRARY=y, &&
 *   CONFIG_NSH_ARCHINIT=n :
 *     Called from board_initialize().
 *
 ****************************************************************************/

int nsh_archinitialize(void)
{
#if defined(HAVE_USBHOST) || defined(HAVE_USBMONITOR)
  int ret;
#endif

#ifdef HAVE_USBHOST
  /* Initialize USB host operation.  stm32_usbhost_initialize() starts a thread
   * will monitor for USB connection and disconnection events.
   */

  ret = stm32_usbhost_initialize();
  if (ret != OK)
    {
      message("nsh_archinitialize: Failed to initialize USB host: %d\n", ret);
      return ret;
    }
#endif

#ifdef HAVE_USBMONITOR
  /* Start the USB Monitor */

  ret = usbmonitor_start(0, NULL);
  if (ret != OK)
    {
      message("nsh_archinitialize: Start USB monitor: %d\n", ret);
    }
#endif

  return OK;
}
