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rt-thread-official/bsp/nuvoton/numaker-iot-ma35d1/applications/mnt.c

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/**************************************************************************//**
*
* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-6-26 Wayne First version
*
******************************************************************************/
#include <rtthread.h>
#if defined(RT_USING_DFS)
#define LOG_TAG "mnt"
#define DBG_ENABLE
#define DBG_SECTION_NAME "mnt"
#define DBG_LEVEL DBG_ERROR
#define DBG_COLOR
#include <rtdbg.h>
#include <dfs_fs.h>
#include <dfs_file.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#if defined(RT_USING_FAL)
#include <fal.h>
#endif
#if defined(PKG_USING_RAMDISK)
#define RAMDISK_NAME "ramdisk0"
#define RAMDISK_UDC "ramdisk1"
#define MOUNT_POINT_RAMDISK0 "/"
#endif
#if defined(BOARD_USING_STORAGE_SPIFLASH)
#define PARTITION_NAME_FILESYSTEM "filesystem"
#define MOUNT_POINT_SPIFLASH0 "/mnt/"PARTITION_NAME_FILESYSTEM
#endif
#ifdef RT_USING_DFS_MNTTABLE
/*
const char *device_name;
const char *path;
const char *filesystemtype;
unsigned long rwflag;
const void *data;
*/
const struct dfs_mount_tbl mount_table[] =
{
#if defined(PKG_USING_RAMDISK)
{ RAMDISK_UDC, "/mnt/ram_usbd", "elm", 0, RT_NULL },
#endif
#if defined(PKG_USING_DFS_YAFFS)
{ "nand1", "/mnt/nand1", "yaffs", 0, RT_NULL },
{ "rawnd1", "/mnt/nfi", "yaffs", 0, RT_NULL },
#elif defined(RT_USING_DFS_UFFS)
{ "nand1", "/mnt/nand1", "uffs", 0, RT_NULL },
#endif
{ "sd0", "/mnt/sd0", "elm", 0, RT_NULL },
{ "sd0p0", "/mnt/sd0p0", "elm", 0, RT_NULL },
{ "sd0p1", "/mnt/sd0p1", "elm", 0, RT_NULL },
{ "sd1", "/mnt/sd1", "elm", 0, RT_NULL },
{ "sd1p0", "/mnt/sd1p0", "elm", 0, RT_NULL },
{ "sd1p1", "/mnt/sd1p1", "elm", 0, RT_NULL },
{0},
};
#endif
#if defined(PKG_USING_RAMDISK)
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);
int ramdisk_device_init(void)
{
rt_err_t result = RT_EOK;
/* Create a 8MB RAMDISK */
result = ramdisk_init(RAMDISK_NAME, NULL, 512, 8 * 4096);
RT_ASSERT(result == RT_EOK);
/* Create a 8MB RAMDISK */
result = ramdisk_init(RAMDISK_UDC, NULL, 512, 8 * 4096);
RT_ASSERT(result == RT_EOK);
return 0;
}
INIT_DEVICE_EXPORT(ramdisk_device_init);
/* Recursive mkdir */
static int mkdir_p(const char *dir, const mode_t mode)
{
int ret = -1;
char *tmp = NULL;
char *p = NULL;
struct stat sb;
rt_size_t len;
if (!dir)
goto exit_mkdir_p;
/* Copy path */
/* Get the string length */
len = strlen(dir);
tmp = rt_strdup(dir);
/* Remove trailing slash */
if (tmp[len - 1] == '/')
{
tmp[len - 1] = '\0';
len--;
}
/* check if path exists and is a directory */
if (stat(tmp, &sb) == 0)
{
if (S_ISDIR(sb.st_mode))
{
ret = 0;
goto exit_mkdir_p;
}
}
/* Recursive mkdir */
for (p = tmp + 1; p - tmp <= len; p++)
{
if ((*p == '/') || (p - tmp == len))
{
*p = 0;
/* Test path */
if (stat(tmp, &sb) != 0)
{
/* Path does not exist - create directory */
if (mkdir(tmp, mode) < 0)
{
goto exit_mkdir_p;
}
}
else if (!S_ISDIR(sb.st_mode))
{
/* Not a directory */
goto exit_mkdir_p;
}
if (p - tmp != len)
*p = '/';
}
}
ret = 0;
exit_mkdir_p:
if (tmp)
rt_free(tmp);
return ret;
}
#if defined(PKG_USING_DFS_YAFFS) && defined(RT_USING_DFS_MNTTABLE)
#include "yaffs_guts.h"
int yaffs_dev_init(void)
{
int i;
for (i = 0; i < sizeof(mount_table) / sizeof(struct dfs_mount_tbl); i++)
{
if (mount_table[i].filesystemtype && !rt_strcmp(mount_table[i].filesystemtype, "yaffs"))
{
struct rt_mtd_nand_device *psMtdNandDev = RT_MTD_NAND_DEVICE(rt_device_find(mount_table[i].device_name));
if (psMtdNandDev)
{
LOG_I("yaffs start [%s].", mount_table[i].device_name);
yaffs_start_up(psMtdNandDev, (const char *)mount_table[i].path);
LOG_I("dfs mount [%s].", mount_table[i].device_name);
if (dfs_mount(mount_table[i].device_name,
mount_table[i].path,
mount_table[i].filesystemtype,
mount_table[i].rwflag,
mount_table[i].data) != 0)
{
LOG_E("mount fs[%s] on %s failed.", mount_table[i].filesystemtype, mount_table[i].path);
}
}
}
}
return 0;
}
INIT_APP_EXPORT(yaffs_dev_init);
#endif
/* Initialize the filesystem */
int filesystem_init(void)
{
rt_err_t result = RT_EOK;
#if defined(RT_USING_FAL)
extern int fal_init_check(void);
if (!fal_init_check())
fal_init();
#endif
// ramdisk as root
if (!rt_device_find(RAMDISK_NAME))
{
LOG_E("cannot find %s device", RAMDISK_NAME);
result = -RT_ERROR;
goto exit_filesystem_init;
}
else
{
/* Format these ramdisk */
result = (rt_err_t)dfs_mkfs("elm", RAMDISK_NAME);
RT_ASSERT(result == RT_EOK);
/* mount ramdisk0 as root directory */
if (dfs_mount(RAMDISK_NAME, "/", "elm", 0, RT_NULL) == 0)
{
LOG_I("ramdisk mounted on \"/\".");
/* now you can create dir dynamically. */
mkdir_p("/mnt", 0x777);
mkdir_p("/cache", 0x777);
mkdir_p("/download", 0x777);
mkdir_p("/mnt/ram_usbd", 0x777);
mkdir_p("/mnt/nand1", 0x777);
mkdir_p("/mnt/nfi", 0x777);
mkdir_p("/mnt/sd0", 0x777);
mkdir_p("/mnt/sd0p0", 0x777);
mkdir_p("/mnt/sd0p1", 0x777);
mkdir_p("/mnt/sd1", 0x777);
mkdir_p("/mnt/sd1p0", 0x777);
mkdir_p("/mnt/sd1p1", 0x777);
#if defined(RT_USBH_MSTORAGE) && defined(UDISK_MOUNTPOINT)
mkdir_p(UDISK_MOUNTPOINT, 0x777);
#endif
}
else
{
LOG_E("root folder creation failed!\n");
goto exit_filesystem_init;
}
}
if (!rt_device_find(RAMDISK_UDC))
{
LOG_E("cannot find %s device", RAMDISK_UDC);
goto exit_filesystem_init;
}
else
{
/* Format these ramdisk */
result = (rt_err_t)dfs_mkfs("elm", RAMDISK_UDC);
RT_ASSERT(result == RT_EOK);
}
#if defined(BOARD_USING_STORAGE_SPIFLASH)
{
struct rt_device *psNorFlash = fal_blk_device_create(PARTITION_NAME_FILESYSTEM);
if (!psNorFlash)
{
rt_kprintf("Failed to create block device for %s.\n", PARTITION_NAME_FILESYSTEM);
}
}
#endif
exit_filesystem_init:
return -result;
}
INIT_ENV_EXPORT(filesystem_init);
#endif
#endif
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