Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.c

   1 /*-----------------------------------------------------------------------*/
   2 /* Low level disk I/O module skeleton for Petit FatFs (C)ChaN, 2009      */
   3 /*-----------------------------------------------------------------------*/
   4
   5 #include "diskio.h"
   6
   7 #include <string.h>
   8 #include "../DataflashManager.h"
   9
  10 /*-----------------------------------------------------------------------*/
  11 /* Initialize Disk Drive                                                 */
  12 /*-----------------------------------------------------------------------*/
  13
  14 DSTATUS disk_initialize (void)
  15 {
  16         DSTATUS stat;
  17
  18         stat = RES_OK;
  19
  20         return stat;
  21 }
  22
  23
  24
  25 /*-----------------------------------------------------------------------*/
  26 /* Read Partial Sector                                                   */
  27 /*-----------------------------------------------------------------------*/
  28
  29 DRESULT disk_readp (
  30         void* dest,                     /* Pointer to the destination object */
  31         DWORD sector,           /* Sector number (LBA) */
  32         WORD sofs,                      /* Offset in the sector */
  33         WORD count                      /* Byte count (bit15:destination) */
  34 )
  35 {
  36         DRESULT res;
  37
  38         uint8_t BlockTemp[512];
  39         DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
  40         memcpy(dest, &BlockTemp[sofs], count);
  41
  42         res = RES_OK;
  43
  44         return res;
  45 }
  46