135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
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/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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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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*/
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#include <rtthread.h>
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#if defined(RT_USING_DFS)
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#include <dfs.h>
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#include <dfs_fs.h>
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#include <dfs_file.h>
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#include <ioremap.h>
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#include <drv_sdio.h>
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#define DBG_TAG "app.filesystem"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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void filesysytem_try_mount(char *device_name, char *mount_point, char *fs_type_name, int mkfs_count)
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{
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struct statfs fs_stat;
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int rc = 0;
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LOG_I("mount(\"%s\",\"%s\",\"%s\");", device_name, mount_point, fs_type_name);
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if (rt_device_find(device_name) == NULL)
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{
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LOG_I("%s not find!!!", device_name);
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return;
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}
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mkdir(mount_point, 0);
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_remount:
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rc = dfs_mount(device_name, mount_point, fs_type_name, 0, 0);
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if (rc == 0)
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{
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LOG_I("mounted %s on %s", device_name, mount_point);
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if (dfs_statfs(mount_point, &fs_stat) >= 0)
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{
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LOG_I("%s size:%d, total: %d, free: %d", mount_point,
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fs_stat.f_bsize, fs_stat.f_blocks, fs_stat.f_bfree);
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}
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}
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else
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{
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if (mkfs_count > 0)
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{
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LOG_I("[%s]try mkfs -t %s %s ", mkfs_count, fs_type_name, device_name);
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dfs_mkfs(fs_type_name, device_name);
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mkfs_count--;
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goto _remount;
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}
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LOG_I("mount failed :%d ", rc);
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}
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}
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void filesysytem_try_unmount(char *mount_point)
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{
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struct stat filestat = {0};
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LOG_I("unmount(\"%s\");", mount_point);
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if ((dfs_file_stat(mount_point, &filestat) >= 0) && (S_ISDIR(filestat.st_mode)))
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{
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dfs_unmount(mount_point);
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}
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}
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static void sd_task_entry(void *parameter)
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{
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volatile unsigned int *IN_STATUS;
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IN_STATUS = (volatile unsigned int *)rt_ioremap((void *)0x2190030, 4); // cd status
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int change = 0;
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while (1)
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{
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rt_thread_mdelay(200);
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change = 0;
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if (((*IN_STATUS >> 6) & 0x1) == 1)
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{
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*IN_STATUS = 0x40;
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change = 1;
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}
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if (((*IN_STATUS >> 7) & 0x1) == 1)
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{
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*IN_STATUS = (0x80);
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change = 2;
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}
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if (change > 0)
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{
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LOG_D("sdio host change: %d", change);
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mmcsd_wait_cd_changed(0); // clear
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host_change(); // send cd change to host
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int result = mmcsd_wait_cd_changed(RT_TICK_PER_SECOND);
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if (result == MMCSD_HOST_PLUGED)
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{
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LOG_D("mmcsd change pluged");
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filesysytem_try_mount("sd0", "/mnt/sd0", "elm", 0);
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}
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else if (result == MMCSD_HOST_UNPLUGED)
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{
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LOG_D("mmcsd change unpluged");
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filesysytem_try_unmount("/mnt/sd0");
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}
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else
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{
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LOG_I("mmcsd wait_cd_changed %d", result);
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}
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}
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}
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}
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int sd_task_init(void)
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{
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rt_thread_t tid;
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tid = rt_thread_create("tsdcard", sd_task_entry, RT_NULL,
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2048, RT_THREAD_PRIORITY_MAX - 2, 20);
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if (tid != RT_NULL)
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{
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rt_thread_startup(tid);
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}
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else
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{
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LOG_E("create sd mount task error!");
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}
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return RT_EOK;
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}
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INIT_APP_EXPORT(sd_task_init);
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#endif
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