incubator-nuttx/examples/mount/mount.h

97 lines
3.8 KiB
C

/****************************************************************************
* examples/mount/mount.h
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 */