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-rw-r--r--apps/examples/mount/ramdisk.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/apps/examples/mount/ramdisk.c b/apps/examples/mount/ramdisk.c
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index 83ef74e42..000000000
--- a/apps/examples/mount/ramdisk.c
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-/****************************************************************************
- * examples/mount/ramdisk.c
- *
- * Copyright (C) 2008-2009 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 <stdlib.h>
-#include <string.h>
-#include <errno.h>
-
-#include <nuttx/ramdisk.h>
-#include <nuttx/fs/mkfatfs.h>
-
-#include "mount.h"
-
-#ifndef CONFIG_EXAMPLES_MOUNT_DEVNAME
-
-/****************************************************************************
- * Private Definitions
- ****************************************************************************/
-
-#define BUFFER_SIZE (CONFIG_EXAMPLES_MOUNT_NSECTORS*CONFIG_EXAMPLES_MOUNT_SECTORSIZE)
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-static struct fat_format_s g_fmt = FAT_FORMAT_INITIALIZER;
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: create_ramdisk
- *
- * Description:
- * Create a RAM disk of the specified size formatting with a FAT file
- * system
- *
- * Input Parameters:
- * None
- *
- * Return:
- * Zero on success, a negated errno on failure.
- *
- ****************************************************************************/
-
-int create_ramdisk(void)
-{
- char *pbuffer;
- int ret;
-
- /* Allocate a buffer to hold the file system image. */
-
- pbuffer = (char*)malloc(BUFFER_SIZE);
- if (!pbuffer)
- {
- printf("create_ramdisk: Failed to allocate ramdisk of size %d\n",
- BUFFER_SIZE);
- return -ENOMEM;
- }
-
- /* Register a RAMDISK device to manage this RAM image */
-
- ret = ramdisk_register(CONFIG_EXAMPLES_MOUNT_RAMDEVNO,
- pbuffer,
- CONFIG_EXAMPLES_MOUNT_NSECTORS,
- CONFIG_EXAMPLES_MOUNT_SECTORSIZE,
- true);
- if (ret < 0)
- {
- printf("create_ramdisk: Failed to register ramdisk at %s: %d\n",
- g_source, -ret);
- free(pbuffer);
- return ret;
- }
-
- /* Create a FAT filesystem on the ramdisk */
-
- ret = mkfatfs(g_source, &g_fmt);
- if (ret < 0)
- {
- printf("create_ramdisk: Failed to create FAT filesystem on ramdisk at %s\n",
- g_source);
- /* free(pbuffer); -- RAM disk is registered */
- return ret;
- }
-
- return 0;
-}
-#endif /* !CONFIG_EXAMPLES_MOUNT_DEVNAME */