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Diffstat (limited to 'nuttx/examples/mount/ramdisk.c')
-rw-r--r-- | nuttx/examples/mount/ramdisk.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/nuttx/examples/mount/ramdisk.c b/nuttx/examples/mount/ramdisk.c deleted file mode 100644 index f596dae52..000000000 --- a/nuttx/examples/mount/ramdisk.c +++ /dev/null @@ -1,141 +0,0 @@ -/**************************************************************************** - * examples/mount/ramdisk.c - * - * Copyright (C) 2008-2009 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. - * - ****************************************************************************/ - -/**************************************************************************** - * 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/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 */ |