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{$IFDEF OGC_INTERFACE}
const
MAX_MI_NUM = 1;
MAX_DI_NUM = 5;
PAGE_SIZE256 = 256;
PAGE_SIZE512 = 512;
(* CID Register *)
{$define MANUFACTURER_ID(drv_no) := (cuint8(g_CID[drv_no][0]))}
(* CSD Register *)
{$define READ_BL_LEN(drv_no) := (cuint8(g_CSD[drv_no][5] and $0f))}
{$define WRITE_BL_LEN(drv_no) := (cuint8((g_CSD[drv_no][12] and $03) shl 2) or ((g_CSD[drv_no][13] shr 6) and $03))}
{$define C_SIZE(drv_no) := (cuint16(((g_CSD[drv_no][6] and $03) shl 10) or (g_CSD[drv_no][7] shl 2) or ((g_CSD[drv_no][8] shr 6) and $03)))}
{$define C_SIZE_MULT(drv_no) := (cuint8((g_CSD[drv_no][9] and $03) shl 1) or ((g_CSD[drv_no][10] shr 7) and $01))}
var
g_CSD : array [0..15] of cuint8; external;
g_CID : array [0..15] of cuint8; external;
g_mCode : array [0..MAX_MI_NUM-1] of cuint8; external;
g_dCode : array [0..MAX_DI_NUM-1] of cuint16; external;
procedure sdgecko_initIODefault; cdecl; external;
function sdgecko_initIO(drv_no: cint32): cint32; cdecl; external;
function sdgecko_preIO(drv_no: cint32): cint32; cdecl; external;
function sdgecko_readCID(drv_no: cint32): cint32; cdecl; external;
function sdgecko_readCSD(drv_no: cint32): cint32; cdecl; external;
function sdgecko_readStatus(drv_no: cint32): cint32; cdecl; external;
function sdgecko_readSectors(drv_no: cint32; sector_no, num_sectors: cuint32;
buf: pointer): cint32; cdecl; external;
function sdgecko_writeSector(drv_no: cint32; sector_no: cuint32; buf: pointer;
len: cuint32): cint32; cdecl; external;
function sdgecko_writeSectors(drv_no: cint32; sector_no, num_sectors: cuint32;
buf: pointer): cint32; cdecl; external;
function sdgecko_doUnmount(drv_no: cint32): cint32; cdecl; external;
procedure sdgecko_insertedCB(drv_no: cint32); cdecl; external;
procedure sdgecko_ejectedCB(drv_no: cint32); cdecl; external;
{$ENDIF}
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