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/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2016 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#ifdef NRF52840_XXAA
#include "ff.h" /* Obtains integer types */
#include "diskio.h" /* Declarations of disk functions */
#include "flash/flash_qspi.h"
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
(void) pdrv;
return 0;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
(void) pdrv;
return 0;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
(void) pdrv;
uint32_t const len = count * FF_MIN_SS;
return (len == flash_qspi_read(buff, sector * FF_MIN_SS, len)) ? RES_OK : RES_ERROR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
(void) pdrv;
uint32_t const len = count * FF_MIN_SS;
return (len == flash_qspi_write(sector * FF_MIN_SS, buff, len)) ? RES_OK : RES_ERROR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
(void) pdrv;
switch ( cmd )
{
case GET_SECTOR_COUNT:
*((DWORD*) buff) = (flash_qspi_size() / FF_MIN_SS);
break;
case GET_SECTOR_SIZE:
*((WORD*) buff) = FF_MIN_SS;
break;
case GET_BLOCK_SIZE:
*((DWORD*) buff) = (FLASH_QSPI_PAGE_SIZE / FF_MIN_SS);
break;
case CTRL_SYNC:
flash_qspi_flush();
break;
case CTRL_TRIM:
// not support trim
break;
default:
return RES_ERROR;
}
return RES_OK;
}
#endif
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