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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-03-18 Carl the first version
*/
#include <rtthread.h>
#ifdef BSP_USING_SDC
#include <dfs_elm.h>
#include <dfs_fs.h>
#include <dfs_file.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include "drv_sdctrl.h"
#define DBG_TAG "app.card"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
static rt_err_t _sdcard_mount(void)
{
rt_device_t device;
device = rt_device_find("sd0");
rt_kprintf("rt_device_find %x \r\n", device);
if (device == NULL)
{
mmcsd_wait_cd_changed(0);
ft2004_mmcsd_change();
if (mmcsd_wait_cd_changed(rt_tick_from_millisecond(5000)) == -RT_ETIMEOUT)
{
rt_kprintf("timeout \r\n");
return -RT_ERROR;
}
device = rt_device_find("sd0");
}
rt_thread_mdelay(1000);
LOG_I("dfs_mount \r\n");
if (device != RT_NULL)
{
if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
{
LOG_I("sd card mount to '/'");
}
else
{
LOG_W("sd card mount to '/' failed!");
return -RT_ERROR;
}
}
return RT_EOK;
}
static void _sdcard_unmount(void)
{
rt_thread_mdelay(200);
dfs_unmount("/");
LOG_I("Unmount \"/\"");
mmcsd_wait_cd_changed(0);
ft2004_mmcsd_change();
mmcsd_wait_cd_changed(rt_tick_from_millisecond(5000));
LOG_I("Unmount is over \r\n");
}
static void sd_mount(void *parameter)
{
rt_uint8_t state = 0; /* 1. is valid card ,0 is removal */
#ifdef BSP_SDC_IRQ_CARD_REMOVE
rt_uint32_t status;
#endif
while (1)
{
switch (state)
{
case 0:
if (ft2004_card_status() == 1)
{
#ifdef BSP_SDC_IRQ_CARD_REMOVE
ft2004_card_remove_check(0, RT_NULL); /* Clear removal flag bit */
#endif
if (_sdcard_mount() == RT_EOK)
{
state = 1;
}
else
{
/* For the critical case of frequent plug */
rt_kprintf("dfs_unmount \r\n");
_sdcard_unmount();
ft2004_sdctrl_reset();
}
}
else
{
rt_thread_mdelay(100);
}
break;
case 1:
#ifdef BSP_SDC_IRQ_CARD_REMOVE
if (ft2004_card_remove_check(RT_WAITING_FOREVER, &status) == RT_EOK)
{
if (status & SDCTR_CARD_REMOVE_FLG)
{
state = 0;
_sdcard_unmount();
}
}
#else
if (ft2004_card_status() == 0)
{
state = 0;
_sdcard_unmount();
}
#endif
else
{
rt_thread_mdelay(100);
}
break;
default:
state = 0;
break;
}
}
}
int ft2004_sdcard_mount(void)
{
rt_thread_t tid;
tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
8192, 2, 20);
if (tid != RT_NULL)
{
rt_thread_startup(tid);
}
else
{
LOG_E("create sd_mount thread err!");
}
return RT_EOK;
}
INIT_APP_EXPORT(ft2004_sdcard_mount);
#endif /* BSP_USING_SDCARD */
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