99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2007 */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* This is a stub disk I/O module that acts as front end of the existing */
|
||
|
|
/* disk I/O modules and attach it to FatFs module with common interface. */
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#include "diskio.h"
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Initialize a Drive */
|
||
|
|
|
||
|
|
DSTATUS disk_initialize (
|
||
|
|
BYTE drv /* Physical drive number (0..) */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return FR_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Return Disk Status */
|
||
|
|
|
||
|
|
DSTATUS disk_status (
|
||
|
|
BYTE drv /* Physical drive number (0..) */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return FR_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Read Sector(s) */
|
||
|
|
|
||
|
|
DRESULT disk_read (
|
||
|
|
BYTE drv, /* Physical drive number (0..) */
|
||
|
|
BYTE *buff, /* Data buffer to store read data */
|
||
|
|
DWORD sector, /* Sector address (LBA) */
|
||
|
|
BYTE count /* Number of sectors to read (1..128) */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DataflashManager_ReadBlocks_RAM(sector, count, buff);
|
||
|
|
return RES_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Write Sector(s) */
|
||
|
|
|
||
|
|
#if _READONLY == 0
|
||
|
|
DRESULT disk_write (
|
||
|
|
BYTE drv, /* Physical drive number (0..) */
|
||
|
|
const BYTE *buff, /* Data to be written */
|
||
|
|
DWORD sector, /* Sector address (LBA) */
|
||
|
|
BYTE count /* Number of sectors to write (1..128) */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
DataflashManager_WriteBlocks_RAM(sector, count, buff);
|
||
|
|
return RES_OK;
|
||
|
|
}
|
||
|
|
#endif /* _READONLY */
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*-----------------------------------------------------------------------*/
|
||
|
|
/* Miscellaneous Functions */
|
||
|
|
|
||
|
|
DRESULT disk_ioctl (
|
||
|
|
BYTE drv, /* Physical drive number (0..) */
|
||
|
|
BYTE ctrl, /* Control code */
|
||
|
|
void *buff /* Buffer to send/receive control data */
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (ctrl == CTRL_SYNC)
|
||
|
|
return RES_OK;
|
||
|
|
else
|
||
|
|
return RES_PARERR;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
DWORD get_fattime (void)
|
||
|
|
{
|
||
|
|
TimeDate_t CurrTimeDate;
|
||
|
|
|
||
|
|
RTC_GetTimeDate(&CurrTimeDate);
|
||
|
|
|
||
|
|
|
||
|
|
return ((DWORD)(20 + CurrTimeDate.Year) << 25) |
|
||
|
|
((DWORD)CurrTimeDate.Month << 21) |
|
||
|
|
((DWORD)CurrTimeDate.Day << 16) |
|
||
|
|
((DWORD)CurrTimeDate.Hour << 11) |
|
||
|
|
((DWORD)CurrTimeDate.Minute << 5) |
|
||
|
|
(((DWORD)CurrTimeDate.Second >> 1) << 0);
|
||
|
|
}
|
||
|
|
|