240 lines
5.5 KiB
C
240 lines
5.5 KiB
C
/**************************************************************************//**
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*
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* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-3-4 Wayne First version
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*
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******************************************************************************/
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#include "rtconfig.h"
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#include <rtthread.h>
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#define LOG_TAG "mnt"
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#define DBG_ENABLE
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#define DBG_SECTION_NAME "mnt"
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#define DBG_LEVEL DBG_ERROR
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#define DBG_COLOR
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#include <rtdbg.h>
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#include <dfs_fs.h>
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#include <dfs_file.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#if defined(PKG_USING_FAL)
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#include <fal.h>
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#endif
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#if defined(PKG_USING_RAMDISK)
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#define RAMDISK_NAME "ramdisk0"
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#define RAMDISK_UDC "ramdisk1"
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#define MOUNT_POINT_RAMDISK0 "/"
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#endif
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#if defined(BOARD_USING_STORAGE_SPIFLASH)
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#define PARTITION_NAME_FILESYSTEM "filesystem"
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#define MOUNT_POINT_SPIFLASH0 "/mnt/"PARTITION_NAME_FILESYSTEM
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#endif
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#ifdef RT_USING_DFS_MNTTABLE
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/*
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const char *device_name;
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const char *path;
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const char *filesystemtype;
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unsigned long rwflag;
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const void *data;
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*/
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const struct dfs_mount_tbl mount_table[] =
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{
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{ RAMDISK_UDC, "/mnt/ram_usbd", "elm", 0, RT_NULL },
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{0},
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};
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#endif
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#if defined(PKG_USING_RAMDISK)
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extern rt_err_t ramdisk_init(const char *dev_name, rt_uint8_t *disk_addr, rt_size_t block_size, rt_size_t num_block);
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int ramdisk_device_init(void)
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{
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rt_err_t result = RT_EOK;
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/* Create a 8MB RAMDISK */
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result = ramdisk_init(RAMDISK_NAME, NULL, 512, 2 * 8192);
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RT_ASSERT(result == RT_EOK);
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/* Create a 4MB RAMDISK */
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result = ramdisk_init(RAMDISK_UDC, NULL, 512, 2 * 4096);
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RT_ASSERT(result == RT_EOK);
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return 0;
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}
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INIT_DEVICE_EXPORT(ramdisk_device_init);
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/* Recursive mkdir */
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static int mkdir_p(const char *dir, const mode_t mode)
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{
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int ret = -1;
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char *tmp = NULL;
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char *p = NULL;
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struct stat sb;
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rt_size_t len;
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if (!dir)
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goto exit_mkdir_p;
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/* Copy path */
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/* Get the string length */
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len = strlen(dir);
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tmp = rt_strdup(dir);
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/* Remove trailing slash */
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if (tmp[len - 1] == '/')
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{
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tmp[len - 1] = '\0';
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len--;
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}
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/* check if path exists and is a directory */
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if (stat(tmp, &sb) == 0)
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{
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if (S_ISDIR(sb.st_mode))
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{
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ret = 0;
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goto exit_mkdir_p;
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}
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}
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/* Recursive mkdir */
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for (p = tmp + 1; p - tmp <= len; p++)
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{
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if ((*p == '/') || (p - tmp == len))
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{
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*p = 0;
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/* Test path */
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if (stat(tmp, &sb) != 0)
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{
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/* Path does not exist - create directory */
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if (mkdir(tmp, mode) < 0)
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{
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goto exit_mkdir_p;
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}
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}
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else if (!S_ISDIR(sb.st_mode))
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{
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/* Not a directory */
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goto exit_mkdir_p;
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}
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if (p - tmp != len)
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*p = '/';
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}
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}
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ret = 0;
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exit_mkdir_p:
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if (tmp)
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rt_free(tmp);
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return ret;
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}
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/* Initialize the filesystem */
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int filesystem_init(void)
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{
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rt_err_t result = RT_EOK;
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// ramdisk as root
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if (!rt_device_find(RAMDISK_NAME))
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{
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LOG_E("cannot find %s device", RAMDISK_NAME);
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goto exit_filesystem_init;
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}
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else
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{
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/* Format these ramdisk */
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result = (rt_err_t)dfs_mkfs("elm", RAMDISK_NAME);
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RT_ASSERT(result == RT_EOK);
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/* mount ramdisk0 as root directory */
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if (dfs_mount(RAMDISK_NAME, "/", "elm", 0, RT_NULL) == 0)
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{
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LOG_I("ramdisk mounted on \"/\".");
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/* now you can create dir dynamically. */
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mkdir_p("/mnt", 0x777);
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mkdir_p("/cache", 0x777);
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mkdir_p("/download", 0x777);
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mkdir_p("/mnt/ram_usbd", 0x777);
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mkdir_p("/mnt/filesystem", 0x777);
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#if defined(RT_USBH_MSTORAGE) && defined(UDISK_MOUNTPOINT)
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mkdir_p(UDISK_MOUNTPOINT, 0x777);
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#endif
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}
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else
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{
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LOG_E("root folder creation failed!\n");
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goto exit_filesystem_init;
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}
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}
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if (!rt_device_find(RAMDISK_UDC))
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{
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LOG_E("cannot find %s device", RAMDISK_UDC);
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goto exit_filesystem_init;
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}
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else
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{
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/* Format these ramdisk */
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result = (rt_err_t)dfs_mkfs("elm", RAMDISK_UDC);
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RT_ASSERT(result == RT_EOK);
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}
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exit_filesystem_init:
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return -result;
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}
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INIT_ENV_EXPORT(filesystem_init);
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#endif
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#if defined(BOARD_USING_STORAGE_SPIFLASH)
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int mnt_init_spiflash0(void)
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{
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#if defined(PKG_USING_FAL)
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extern int fal_init_check(void);
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if (!fal_init_check())
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fal_init();
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#endif
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struct rt_device *psNorFlash = fal_blk_device_create(PARTITION_NAME_FILESYSTEM);
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if (!psNorFlash)
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{
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rt_kprintf("Failed to create block device for %s.\n", PARTITION_NAME_FILESYSTEM);
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goto exit_mnt_init_spiflash0;
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}
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else if (dfs_mount(psNorFlash->parent.name, MOUNT_POINT_SPIFLASH0, "elm", 0, 0) != 0)
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{
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rt_kprintf("Failed to mount elm on %s.\n", MOUNT_POINT_SPIFLASH0);
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rt_kprintf("Try to execute 'mkfs -t elm %s' first, then reboot.\n", PARTITION_NAME_FILESYSTEM);
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goto exit_mnt_init_spiflash0;
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}
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rt_kprintf("mount %s with elmfat type: ok\n", PARTITION_NAME_FILESYSTEM);
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exit_mnt_init_spiflash0:
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return 0;
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}
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INIT_APP_EXPORT(mnt_init_spiflash0);
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#endif
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