nuttx-apps/examples/mount/mount.h

/****************************************************************************
 * examples/mount/mount.h
 *
 *   Copyright (C) 2008 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.
 *
 ****************************************************************************/

#ifndef __EXAMPLES_MOUNT_MOUNT_H
#define __EXAMPLES_MOUNT_MOUNT_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

/****************************************************************************
 * Definitions
 ****************************************************************************/

/* Configure the test */

#if defined(CONFIG_EXAMPLES_MOUNT_DEVNAME)
#  if !defined(CONFIG_FS_WRITABLE)
#    error "Writable filesystem required in this configuration"
#  endif
#  undef  CONFIG_EXAMPLES_MOUNT_NSECTORS
#  undef  CONFIG_EXAMPLES_MOUNT_SECTORSIZE
#  undef  CONFIG_EXAMPLES_MOUNT_RAMDEVNO
#  define MOUNT_DEVNAME CONFIG_EXAMPLES_MOUNT_DEVNAME
#else
#  if !defined(CONFIG_FS_FAT)
#    error "CONFIG_FS_FAT required in this configuration"
#  endif
#  if !defined(CONFIG_EXAMPLES_MOUNT_SECTORSIZE)
#    define CONFIG_EXAMPLES_MOUNT_SECTORSIZE 512
#  endif
#  if !defined(CONFIG_EXAMPLES_MOUNT_NSECTORS)
#    define CONFIG_EXAMPLES_MOUNT_NSECTORS   2048
#  endif
#  if !defined(CONFIG_EXAMPLES_MOUNT_RAMDEVNO)
#     define CONFIG_EXAMPLES_MOUNT_RAMDEVNO  0
#  endif
#  define STR_RAMDEVNO(m)    #m
#  define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m)
#  define MOUNT_DEVNAME      MKMOUNT_DEVNAME(CONFIG_EXAMPLES_MOUNT_RAMDEVNO)
#endif


/****************************************************************************
 * Public Types
 ****************************************************************************/

/****************************************************************************
 * Public Variables
 ****************************************************************************/

extern const char g_source[]; /* Mount 'source' path */

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#ifndef CONFIG_EXAMPLES_MOUNT_DEVNAME
extern int create_ramdisk(void);
#endif

#endif /* __EXAMPLES_MOUNT_MOUNT_H */