dataflash/diskio.c

   1 #include "projectconfig.h"
   2 #include "diskio.h"
   3
   4 #if CFG_HAVE_SDCARD == 1
   5 #include "mmc.h"
   6 #endif
   7
   8 #include "at45db041d.h"
   9
  10 /* diskio interface */
  11
  12 DSTATUS disk_initialize(BYTE drv) {
  13     #if CFG_HAVE_SDCARD == 1
  14     switch (drv) {
  15         case 0:
  16     #endif
  17             return dataflash_initialize();
  18     #if CFG_HAVE_SDCARD == 1
  19         case 1:
  20             return mmc_initialize();
  21         default:
  22             return STA_NOINIT;
  23     }
  24     #endif
  25 }
  26
  27 DSTATUS disk_status(BYTE drv) {
  28     #if CFG_HAVE_SDCARD == 1
  29     switch (drv) {
  30         case 0:
  31     #endif
  32             return dataflash_status();
  33     #if CFG_HAVE_SDCARD == 1
  34         case 1:
  35             return mmc_status();
  36         default:
  37             return STA_NOINIT;
  38     }
  39     #endif
  40 }
  41
  42 DRESULT disk_read(BYTE drv, BYTE *buff, DWORD sector, BYTE count) {
  43     #if CFG_HAVE_SDCARD == 1
  44     switch (drv) {
  45         case 0:
  46     #endif
  47             return dataflash_read(buff, sector, count);
  48     #if CFG_HAVE_SDCARD == 1
  49         case 1:
  50             return mmc_read(buff, sector, count);
  51         default:
  52             return RES_PARERR;
  53     }
  54     #endif
  55 }
  56
  57 #if _READONLY == 0
  58 DRESULT disk_write(BYTE drv, const BYTE *buff, DWORD sector, BYTE count) {
  59     #if CFG_HAVE_SDCARD == 1
  60     switch (drv) {
  61         case 0:
  62     #endif
  63             return dataflash_write(buff, sector, count);
  64     #if CFG_HAVE_SDCARD == 1
  65         case 1:
  66             return mmc_write(buff, sector, count);
  67         default:
  68             return RES_PARERR;
  69     }
  70     #endif
  71 }
  72 #endif /* _READONLY == 0 */
  73
  74 #if _USE_IOCTL != 0
  75 DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void *buff) {
  76     #if CFG_HAVE_SDCARD == 1
  77     switch (drv) {
  78         case 0:
  79     #endif
  80             return dataflash_ioctl(ctrl, buff);
  81     #if CFG_HAVE_SDCARD == 1
  82         case 1:
  83             return mmc_ioctl(ctrl, buff);
  84         default:
  85             return RES_PARERR;
  86     }
  87     #endif
  88 }
  89 #endif /* _USE_IOCTL != 0 */