644 lines
15 KiB
C
644 lines
15 KiB
C
/**************************************************************************//**
|
|
*
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-2-7 Wayne First version
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <rtconfig.h>
|
|
|
|
#if defined(BSP_USING_SDH)
|
|
|
|
#include <rtdevice.h>
|
|
#include "NuMicro.h"
|
|
#include <drv_pdma.h>
|
|
#include <string.h>
|
|
|
|
#if defined(RT_USING_DFS)
|
|
#include <dfs_fs.h>
|
|
#include <dfs_posix.h>
|
|
#endif
|
|
|
|
/* Private define ---------------------------------------------------------------*/
|
|
|
|
#if defined(NU_SDH_MOUNT_ON_ROOT)
|
|
|
|
#if !defined(NU_SDH_MOUNTPOINT_SDH0)
|
|
#define NU_SDH_MOUNTPOINT_SDH0 "/"
|
|
#endif
|
|
|
|
#if !defined(NU_SDH_MOUNTPOINT_SDH1)
|
|
#define NU_SDH_MOUNTPOINT_SDH1 NU_SDH_MOUNTPOINT_SDH0"/sd1"
|
|
#endif
|
|
|
|
#else
|
|
|
|
#if !defined(NU_SDH_MOUNTPOINT_ROOT)
|
|
#define NU_SDH_MOUNTPOINT_ROOT "/mnt"
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if !defined(NU_SDH_MOUNTPOINT_SDH0)
|
|
#define NU_SDH_MOUNTPOINT_SDH0 NU_SDH_MOUNTPOINT_ROOT"/sd0"
|
|
#endif
|
|
|
|
#if !defined(NU_SDH_MOUNTPOINT_SDH1)
|
|
#define NU_SDH_MOUNTPOINT_SDH1 NU_SDH_MOUNTPOINT_ROOT"/sd1"
|
|
#endif
|
|
|
|
#if defined(NU_SDH_USING_PDMA)
|
|
#define NU_SDH_MEMCPY nu_pdma_memcpy
|
|
#else
|
|
#define NU_SDH_MEMCPY memcpy
|
|
#endif
|
|
|
|
enum
|
|
{
|
|
SDH_START = -1,
|
|
#if defined(BSP_USING_SDH0)
|
|
SDH0_IDX,
|
|
#endif
|
|
#if defined(BSP_USING_SDH1)
|
|
SDH1_IDX,
|
|
#endif
|
|
SDH_CNT
|
|
};
|
|
|
|
#define SDH_BLOCK_SIZE 512ul
|
|
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
#define NU_SDH_TID_STACK_SIZE 1024
|
|
#endif
|
|
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
enum
|
|
{
|
|
NU_SDH_CARD_DETECTED_SD0 = (1 << 0),
|
|
NU_SDH_CARD_DETECTED_SD1 = (1 << 1),
|
|
NU_SDH_CARD_EVENT_ALL = (NU_SDH_CARD_DETECTED_SD0 | NU_SDH_CARD_DETECTED_SD1)
|
|
};
|
|
#endif
|
|
|
|
/* Private typedef --------------------------------------------------------------*/
|
|
struct nu_sdh
|
|
{
|
|
struct rt_device dev;
|
|
char *name;
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
char *mounted_point;
|
|
#endif
|
|
SDH_T *base;
|
|
uint32_t is_card_inserted;
|
|
SDH_INFO_T *info;
|
|
struct rt_semaphore lock;
|
|
uint8_t *pbuf;
|
|
};
|
|
typedef struct nu_sdh *nu_sdh_t;
|
|
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
static struct rt_thread sdh_tid;
|
|
static rt_uint8_t sdh_stack[NU_SDH_TID_STACK_SIZE];
|
|
#endif
|
|
|
|
/* Private functions ------------------------------------------------------------*/
|
|
static void nu_sdh_isr(nu_sdh_t sdh);
|
|
static rt_err_t nu_sdh_init(rt_device_t dev);
|
|
static rt_err_t nu_sdh_open(rt_device_t dev, rt_uint16_t oflag);
|
|
static rt_err_t nu_sdh_close(rt_device_t dev);
|
|
static rt_size_t nu_sdh_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t blk_nb);
|
|
static rt_err_t nu_sdh_control(rt_device_t dev, int cmd, void *args);
|
|
static int rt_hw_sdh_init(void);
|
|
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path);
|
|
static void sdh_hotplugger(void *param);
|
|
static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh);
|
|
static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh);
|
|
#endif
|
|
|
|
/* Public functions -------------------------------------------------------------*/
|
|
|
|
|
|
/* Private variables ------------------------------------------------------------*/
|
|
static struct nu_sdh nu_sdh_arr [] =
|
|
{
|
|
#if defined(BSP_USING_SDH0)
|
|
{
|
|
.name = "sdh0",
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
.mounted_point = NU_SDH_MOUNTPOINT_SDH0,
|
|
#endif
|
|
.base = SDH0,
|
|
.info = &SD0,
|
|
},
|
|
#endif
|
|
#if defined(BSP_USING_SDH1)
|
|
{
|
|
.name = "sdh1",
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
.mounted_point = NU_SDH_MOUNTPOINT_SDH1,
|
|
#endif
|
|
.base = SDH1,
|
|
.info = &SD1,
|
|
},
|
|
#endif
|
|
{0}
|
|
}; /* struct nu_sdh nu_sdh_arr [] */
|
|
static struct rt_event sdh_event;
|
|
|
|
static void nu_sdh_isr(nu_sdh_t sdh)
|
|
{
|
|
SDH_T *sdh_base = sdh->base;
|
|
unsigned int volatile isr;
|
|
unsigned int volatile ier;
|
|
SDH_INFO_T *pSD = sdh->info;
|
|
|
|
// FMI data abort interrupt
|
|
if (sdh_base->GINTSTS & SDH_GINTSTS_DTAIF_Msk)
|
|
{
|
|
/* ResetAllEngine() */
|
|
sdh_base->GCTL |= SDH_GCTL_GCTLRST_Msk;
|
|
}
|
|
|
|
//----- SD interrupt status
|
|
isr = sdh_base->INTSTS;
|
|
if (isr & SDH_INTSTS_BLKDIF_Msk)
|
|
{
|
|
// block down
|
|
pSD->DataReadyFlag = TRUE;
|
|
SDH_CLR_INT_FLAG(sdh_base, SDH_INTSTS_BLKDIF_Msk);
|
|
}
|
|
|
|
if (isr & SDH_INTSTS_CDIF_Msk) // card detect
|
|
{
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
if (sdh->base == SDH0)
|
|
rt_event_send(&sdh_event, NU_SDH_CARD_DETECTED_SD0);
|
|
else if (sdh->base == SDH1)
|
|
rt_event_send(&sdh_event, NU_SDH_CARD_DETECTED_SD1);
|
|
#endif
|
|
/* Clear CDIF interrupt flag */
|
|
SDH_CLR_INT_FLAG(sdh_base, SDH_INTSTS_CDIF_Msk);
|
|
}
|
|
|
|
// CRC error interrupt
|
|
if (isr & SDH_INTSTS_CRCIF_Msk)
|
|
{
|
|
if (!(isr & SDH_INTSTS_CRC16_Msk))
|
|
{
|
|
/* CRC_16 error */
|
|
// TODO: handle CRC 16 error
|
|
}
|
|
else if (!(isr & SDH_INTSTS_CRC7_Msk))
|
|
{
|
|
if (!pSD->R3Flag)
|
|
{
|
|
/* CRC_7 error */
|
|
// TODO: handle CRC 7 error
|
|
}
|
|
}
|
|
/* Clear CRCIF interrupt flag */
|
|
SDH_CLR_INT_FLAG(sdh_base, SDH_INTSTS_CRCIF_Msk);
|
|
}
|
|
|
|
/* Data-in timeout */
|
|
if (isr & SDH_INTSTS_DITOIF_Msk)
|
|
{
|
|
sdh_base->INTSTS |= SDH_INTSTS_DITOIF_Msk;
|
|
}
|
|
|
|
/* Response-in timeout interrupt */
|
|
if (isr & SDH_INTSTS_RTOIF_Msk)
|
|
{
|
|
sdh_base->INTSTS |= SDH_INTSTS_RTOIF_Msk;
|
|
}
|
|
}
|
|
|
|
#if defined(BSP_USING_SDH0)
|
|
void SDH0_IRQHandler(void)
|
|
{
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
|
|
nu_sdh_isr(&nu_sdh_arr[SDH0_IDX]);
|
|
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
#endif
|
|
|
|
#if defined(BSP_USING_SDH1)
|
|
void SDH1_IRQHandler(void)
|
|
{
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
|
|
nu_sdh_isr(&nu_sdh_arr[SDH1_IDX]);
|
|
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
#endif
|
|
|
|
/* RT-Thread Device Driver Interface */
|
|
static rt_err_t nu_sdh_init(rt_device_t dev)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t nu_sdh_open(rt_device_t dev, rt_uint16_t oflag)
|
|
{
|
|
nu_sdh_t sdh = (nu_sdh_t)dev;
|
|
|
|
RT_ASSERT(dev != RT_NULL);
|
|
|
|
return (SDH_Probe(sdh->base) == 0) ? RT_EOK : -(RT_ERROR);
|
|
}
|
|
|
|
static rt_err_t nu_sdh_close(rt_device_t dev)
|
|
{
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_size_t nu_sdh_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t blk_nb)
|
|
{
|
|
rt_uint32_t ret = 0;
|
|
nu_sdh_t sdh = (nu_sdh_t)dev;
|
|
rt_err_t result;
|
|
|
|
RT_ASSERT(dev != RT_NULL);
|
|
RT_ASSERT(buffer != RT_NULL);
|
|
|
|
result = rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
/* Check alignment. */
|
|
if (((uint32_t)buffer & 0x03) != 0)
|
|
{
|
|
/* Non-aligned. */
|
|
uint32_t i;
|
|
uint8_t *copy_buffer = (uint8_t *)buffer;
|
|
|
|
sdh->pbuf = rt_malloc(SDH_BLOCK_SIZE);
|
|
if (sdh->pbuf == RT_NULL)
|
|
goto exit_nu_sdh_read;
|
|
|
|
for (i = 0; i < blk_nb; i++)
|
|
{
|
|
/* Read to temp buffer from specified sector. */
|
|
ret = SDH_Read(sdh->base, &sdh->pbuf[0], pos, 1);
|
|
if (ret != Successful)
|
|
goto exit_nu_sdh_read;
|
|
|
|
/* Move to user's buffer */
|
|
NU_SDH_MEMCPY((void *)copy_buffer, (void *)&sdh->pbuf[0], SDH_BLOCK_SIZE);
|
|
|
|
pos ++;
|
|
copy_buffer += SDH_BLOCK_SIZE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Read to user's buffer from specified sector. */
|
|
ret = SDH_Read(sdh->base, (uint8_t *)buffer, pos, blk_nb);
|
|
}
|
|
|
|
exit_nu_sdh_read:
|
|
|
|
if (sdh->pbuf)
|
|
{
|
|
rt_free(sdh->pbuf);
|
|
sdh->pbuf = RT_NULL;
|
|
}
|
|
|
|
result = rt_sem_release(&sdh->lock);
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
if (ret == Successful)
|
|
return blk_nb;
|
|
|
|
rt_kprintf("Read failed: %d, buffer 0x%08x\n", ret, buffer);
|
|
rt_set_errno(-RT_ENOSYS);
|
|
return 0;
|
|
}
|
|
|
|
static rt_size_t nu_sdh_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t blk_nb)
|
|
{
|
|
rt_uint32_t ret = 0;
|
|
nu_sdh_t sdh = (nu_sdh_t)dev;
|
|
rt_err_t result;
|
|
|
|
RT_ASSERT(dev != RT_NULL);
|
|
RT_ASSERT(buffer != RT_NULL);
|
|
|
|
result = rt_sem_take(&sdh->lock, RT_WAITING_FOREVER);
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
/* Check alignment. */
|
|
if (((uint32_t)buffer & 0x03) != 0)
|
|
{
|
|
/* Non-aligned. */
|
|
uint32_t i;
|
|
uint8_t *copy_buffer = (uint8_t *)buffer;
|
|
|
|
sdh->pbuf = rt_malloc(SDH_BLOCK_SIZE);
|
|
if (sdh->pbuf == RT_NULL)
|
|
goto exit_nu_sdh_write;
|
|
|
|
for (i = 0; i < blk_nb; i++)
|
|
{
|
|
NU_SDH_MEMCPY((void *)&sdh->pbuf[0], copy_buffer, SDH_BLOCK_SIZE);
|
|
|
|
ret = SDH_Write(sdh->base, (uint8_t *)&sdh->pbuf[0], pos, 1);
|
|
if (ret != Successful)
|
|
goto exit_nu_sdh_write;
|
|
|
|
pos++;
|
|
copy_buffer += SDH_BLOCK_SIZE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Write to device directly. */
|
|
ret = SDH_Write(sdh->base, (uint8_t *)buffer, pos, blk_nb);
|
|
}
|
|
|
|
exit_nu_sdh_write:
|
|
|
|
if (sdh->pbuf)
|
|
{
|
|
rt_free(sdh->pbuf);
|
|
sdh->pbuf = RT_NULL;
|
|
}
|
|
|
|
result = rt_sem_release(&sdh->lock);
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
if (ret == Successful) return blk_nb;
|
|
|
|
rt_kprintf("write failed: %d, buffer 0x%08x\n", ret, buffer);
|
|
rt_set_errno(-RT_ENOSYS);
|
|
return 0;
|
|
}
|
|
|
|
static rt_err_t nu_sdh_control(rt_device_t dev, int cmd, void *args)
|
|
{
|
|
nu_sdh_t sdh = (nu_sdh_t)dev;
|
|
|
|
RT_ASSERT(dev != RT_NULL);
|
|
|
|
if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
|
|
{
|
|
SDH_INFO_T *sdh_info = sdh->info;
|
|
|
|
struct rt_device_blk_geometry *geometry;
|
|
|
|
geometry = (struct rt_device_blk_geometry *)args;
|
|
if (geometry == RT_NULL) return -RT_ERROR;
|
|
|
|
geometry->bytes_per_sector = sdh_info->sectorSize;
|
|
geometry->block_size = sdh_info->sectorSize;
|
|
geometry->sector_count = sdh_info->totalSectorN;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
|
|
static int rt_hw_sdh_init(void)
|
|
{
|
|
int i;
|
|
rt_err_t ret = RT_EOK;
|
|
rt_uint32_t flags = RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE;
|
|
|
|
rt_event_init(&sdh_event, "sdh_event", RT_IPC_FLAG_FIFO);
|
|
|
|
for (i = (SDH_START + 1); i < SDH_CNT; i++)
|
|
{
|
|
/* Register sdcard device */
|
|
nu_sdh_arr[i].dev.type = RT_Device_Class_Block;
|
|
nu_sdh_arr[i].dev.init = nu_sdh_init;
|
|
nu_sdh_arr[i].dev.open = nu_sdh_open;
|
|
nu_sdh_arr[i].dev.close = nu_sdh_close;
|
|
nu_sdh_arr[i].dev.read = nu_sdh_read;
|
|
nu_sdh_arr[i].dev.write = nu_sdh_write;
|
|
nu_sdh_arr[i].dev.control = nu_sdh_control;
|
|
|
|
/* Private */
|
|
nu_sdh_arr[i].dev.user_data = (void *)&nu_sdh_arr[i];
|
|
|
|
ret = rt_sem_init(&nu_sdh_arr[i].lock, "sdhlock", 1, RT_IPC_FLAG_FIFO);
|
|
RT_ASSERT(ret == RT_EOK);
|
|
|
|
SDH_Open(nu_sdh_arr[i].base, CardDetect_From_GPIO);
|
|
|
|
nu_sdh_arr[i].pbuf = RT_NULL;
|
|
|
|
ret = rt_device_register(&nu_sdh_arr[i].dev, nu_sdh_arr[i].name, flags);
|
|
RT_ASSERT(ret == RT_EOK);
|
|
}
|
|
|
|
return (int)ret;
|
|
}
|
|
INIT_BOARD_EXPORT(rt_hw_sdh_init);
|
|
|
|
#if defined(NU_SDH_HOTPLUG)
|
|
static rt_bool_t nu_sdh_hotplug_is_mounted(const char *mounting_path)
|
|
{
|
|
rt_bool_t ret = RT_FALSE;
|
|
|
|
#if defined(RT_USING_DFS)
|
|
|
|
struct dfs_filesystem *psFS = dfs_filesystem_lookup(mounting_path);
|
|
if (psFS == RT_NULL)
|
|
{
|
|
goto exit_nu_sdh_hotplug_is_mounted;
|
|
}
|
|
else if (!rt_memcmp(psFS->path, mounting_path, rt_strlen(mounting_path)))
|
|
{
|
|
ret = RT_TRUE;
|
|
}
|
|
else
|
|
{
|
|
ret = RT_FALSE;
|
|
}
|
|
|
|
#endif
|
|
|
|
exit_nu_sdh_hotplug_is_mounted:
|
|
|
|
return ret;
|
|
}
|
|
static rt_err_t nu_sdh_hotplug_mount(nu_sdh_t sdh)
|
|
{
|
|
rt_err_t ret = RT_ERROR;
|
|
DIR *t;
|
|
|
|
#if defined(RT_USING_DFS)
|
|
|
|
if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_TRUE)
|
|
{
|
|
ret = RT_EOK;
|
|
goto exit_nu_sdh_hotplug_mount;
|
|
}
|
|
|
|
/* Check the SD folder path is valid. */
|
|
if ((t = opendir(sdh->mounted_point)) != RT_NULL)
|
|
{
|
|
closedir(t);
|
|
}
|
|
#if !defined(NU_SDH_MOUNT_ON_ROOT)
|
|
else
|
|
{
|
|
|
|
/* Check the ROOT path is valid. */
|
|
if ((t = opendir(NU_SDH_MOUNTPOINT_ROOT)) != RT_NULL)
|
|
{
|
|
closedir(t);
|
|
}
|
|
else if ((ret = mkdir(NU_SDH_MOUNTPOINT_ROOT, 0)) != RT_EOK)
|
|
{
|
|
rt_kprintf("Failed to mkdir %s\n", NU_SDH_MOUNTPOINT_ROOT);
|
|
goto exit_nu_sdh_hotplug_mount;
|
|
}
|
|
|
|
if ((ret = mkdir(sdh->mounted_point, 0)) != RT_EOK)
|
|
{
|
|
rt_kprintf("Failed to mkdir %s\n", sdh->mounted_point);
|
|
goto exit_nu_sdh_hotplug_mount;
|
|
}
|
|
|
|
} //else
|
|
#endif
|
|
|
|
if ((ret = dfs_mount(sdh->name, sdh->mounted_point, "elm", 0, 0)) == 0)
|
|
{
|
|
rt_kprintf("Mounted %s on %s\n", sdh->name, sdh->mounted_point);
|
|
}
|
|
else
|
|
{
|
|
rt_kprintf("Failed to mount %s on %s\n", sdh->name, sdh->mounted_point);
|
|
ret = RT_ERROR;
|
|
}
|
|
|
|
exit_nu_sdh_hotplug_mount:
|
|
|
|
#endif
|
|
return -(ret);
|
|
}
|
|
|
|
static rt_err_t nu_sdh_hotplug_unmount(nu_sdh_t sdh)
|
|
{
|
|
rt_err_t ret = RT_ERROR;
|
|
|
|
#if defined(RT_USING_DFS)
|
|
if (nu_sdh_hotplug_is_mounted(sdh->mounted_point) == RT_FALSE)
|
|
{
|
|
ret = RT_EOK;
|
|
goto exit_nu_sdh_hotplug_unmount;
|
|
}
|
|
|
|
ret = dfs_unmount(sdh->mounted_point);
|
|
if (ret != RT_EOK)
|
|
{
|
|
rt_kprintf("Failed to unmount %s.\n", sdh->mounted_point);
|
|
}
|
|
else
|
|
{
|
|
rt_kprintf("Succeed to unmount %s.\n", sdh->mounted_point);
|
|
ret = RT_EOK;
|
|
}
|
|
#endif
|
|
|
|
exit_nu_sdh_hotplug_unmount:
|
|
|
|
return -(ret);
|
|
}
|
|
|
|
static void nu_card_detector(nu_sdh_t sdh)
|
|
{
|
|
SDH_T *sdh_base = sdh->base;
|
|
unsigned int volatile isr = sdh_base->INTSTS;
|
|
if (isr & SDH_INTSTS_CDSTS_Msk)
|
|
{
|
|
/* Card removed */
|
|
sdh->info->IsCardInsert = FALSE; // SDISR_CD_Card = 1 means card remove for GPIO mode
|
|
rt_memset((void *)sdh->info, 0, sizeof(SDH_INFO_T));
|
|
nu_sdh_hotplug_unmount(sdh);
|
|
}
|
|
else
|
|
{
|
|
SDH_Open(sdh_base, CardDetect_From_GPIO);
|
|
if (!SDH_Probe(sdh_base))
|
|
{
|
|
/* Card inserted */
|
|
nu_sdh_hotplug_mount(sdh);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sdh_hotplugger(void *param)
|
|
{
|
|
rt_uint32_t e;
|
|
int i;
|
|
|
|
for (i = (SDH_START + 1); i < SDH_CNT; i++)
|
|
{
|
|
if (SDH_IS_CARD_PRESENT(nu_sdh_arr[i].base))
|
|
{
|
|
nu_sdh_hotplug_mount(&nu_sdh_arr[i]);
|
|
}
|
|
}
|
|
|
|
while (1)
|
|
{
|
|
if (rt_event_recv(&sdh_event, (NU_SDH_CARD_EVENT_ALL),
|
|
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
|
|
RT_WAITING_FOREVER, &e) == RT_EOK)
|
|
{
|
|
/* Debounce */
|
|
rt_thread_delay(200);
|
|
switch (e)
|
|
{
|
|
#if defined(BSP_USING_SDH0)
|
|
case NU_SDH_CARD_DETECTED_SD0:
|
|
nu_card_detector(&nu_sdh_arr[SDH0_IDX]);
|
|
break;
|
|
#endif
|
|
#if defined(BSP_USING_SDH1)
|
|
case NU_SDH_CARD_DETECTED_SD1:
|
|
nu_card_detector(&nu_sdh_arr[SDH1_IDX]);
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
|
|
} //switch(e)
|
|
|
|
} //if
|
|
|
|
} /* while(1) */
|
|
}
|
|
|
|
int mnt_init_sdcard_hotplug(void)
|
|
{
|
|
rt_err_t result;
|
|
|
|
result = rt_thread_init(&sdh_tid, "hotplug", sdh_hotplugger, NULL, sdh_stack, sizeof(sdh_stack), RT_THREAD_PRIORITY_MAX - 2, 10);
|
|
RT_ASSERT(result == RT_EOK);
|
|
|
|
rt_thread_startup(&sdh_tid);
|
|
|
|
return 0;
|
|
}
|
|
INIT_ENV_EXPORT(mnt_init_sdcard_hotplug);
|
|
#endif
|
|
|
|
#endif //#if defined(BSP_USING_SDH)
|