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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Email: [email protected]
*
* Change Logs:
* Date Author Notes
* 2023-04-27 huanghe first version
* 2023-07-14 liqiaozhong add SD file sys mount func
* 2024-04-08 zhugengyu define mount table by board
*/
#include <rtthread.h>
#include <dfs_fs.h>
#define DBG_TAG "mnt.filesystem"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#define FS_SD_MOUNT_POINT "/"
#define FS_SD_DEVICE_NAME "sd00" /* first partition of SD0 */
#define FS_SD_DEVICE_INDEX 0
extern void sdif_change(rt_uint32_t id);
extern rt_int32_t sdif_card_inserted(rt_uint32_t id);
static rt_int32_t card_inserted = 0;
static void _sdcard_mount(void)
{
rt_device_t device;
device = rt_device_find(FS_SD_DEVICE_NAME);
rt_kprintf("rt_device_find %x \r\n", device);
if (device == NULL)
{
mmcsd_wait_cd_changed(0);
sdif_change(FS_SD_DEVICE_INDEX);
mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
device = rt_device_find(FS_SD_DEVICE_NAME);
}
if (device != RT_NULL)
{
if (dfs_mount(FS_SD_DEVICE_NAME, FS_SD_MOUNT_POINT, "elm", 0, 0) == RT_EOK)
{
LOG_I("%s mount to '%s'", FS_SD_DEVICE_NAME, FS_SD_MOUNT_POINT);
card_inserted = 1;
}
else
{
LOG_W("%s mount to '%s' failed!", FS_SD_DEVICE_NAME, FS_SD_MOUNT_POINT);
}
}
}
static void _sdcard_unmount(void)
{
rt_thread_mdelay(200);
dfs_unmount(FS_SD_MOUNT_POINT);
LOG_I("Unmount %s", FS_SD_MOUNT_POINT);
mmcsd_wait_cd_changed(0);
sdif_change(FS_SD_DEVICE_INDEX);
mmcsd_wait_cd_changed(RT_WAITING_FOREVER);
card_inserted = 0;
}
static void sd_auto_mount(void *parameter)
{
rt_thread_mdelay(20);
if ((card_inserted == 0) && (sdif_card_inserted(FS_SD_DEVICE_INDEX) == 1))
{
_sdcard_mount();
}
while (RT_TRUE)
{
rt_thread_mdelay(200);
if ((card_inserted == 0) && (sdif_card_inserted(FS_SD_DEVICE_INDEX) == 1))
{
_sdcard_mount();
}
if ((card_inserted == 1) && (sdif_card_inserted(FS_SD_DEVICE_INDEX) == 0))
{
_sdcard_unmount();
}
}
}
static void sd_mount(void)
{
rt_thread_t tid;
tid = rt_thread_create("sd_mount", sd_auto_mount, RT_NULL,
4096, RT_THREAD_PRIORITY_MAX - 2, 20);
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
else
{
LOG_E("create sd_mount thread err!");
return;
}
}
int filesystem_mount(void)
{
sd_mount();
return RT_EOK;
}
INIT_APP_EXPORT(filesystem_mount);
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