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#include <dolphin/card.h>
#include <dolphin/dsp.h>
#include <dolphin/dvd.h>
#include <dolphin/os.h>
#include <dolphin/CARDPriv.h>
static void EraseCallback(s32 chan, s32 result);
static void WriteCallback(s32 chan, s32 result) {
CARDControl* card;
CARDCallback callback;
u16* fat;
CARDDir* dir;
CARDDir* ent;
CARDFileInfo* fileInfo;
card = &__CARDBlock[chan];
if (result < 0) {
goto error;
}
fileInfo = card->fileInfo;
if (fileInfo->length < 0) {
result = CARD_RESULT_CANCELED;
goto error;
}
fileInfo->length -= card->sectorSize;
if (fileInfo->length <= 0) {
dir = __CARDGetDirBlock(card);
ent = &dir[fileInfo->fileNo];
ent->time = (u32)OSTicksToSeconds(OSGetTime());
callback = card->apiCallback;
card->apiCallback = 0;
result = __CARDUpdateDir(chan, callback);
} else {
fat = __CARDGetFatBlock(card);
fileInfo->offset += card->sectorSize;
fileInfo->iBlock = fat[fileInfo->iBlock];
if (!CARDIsValidBlockNo(card, fileInfo->iBlock)) {
result = CARD_RESULT_BROKEN;
goto error;
}
result = __CARDEraseSector(chan, card->sectorSize * (u32)fileInfo->iBlock, EraseCallback);
}
if (result < 0) {
goto error;
}
return;
error:
callback = card->apiCallback;
card->apiCallback = 0;
__CARDPutControlBlock(card, result);
callback(chan, result);
}
static void EraseCallback(s32 chan, s32 result) {
CARDControl* card;
CARDCallback callback;
CARDFileInfo* fileInfo;
card = &__CARDBlock[chan];
if (result < 0) {
goto error;
}
fileInfo = card->fileInfo;
result = __CARDWrite(chan, card->sectorSize * (u32)fileInfo->iBlock, card->sectorSize,
card->buffer, WriteCallback);
if (result < 0) {
goto error;
}
return;
error:
callback = card->apiCallback;
card->apiCallback = 0;
__CARDPutControlBlock(card, result);
callback(chan, result);
}
s32 CARDWriteAsync(CARDFileInfo* fileInfo, const void* buf, s32 length, s32 offset,
CARDCallback callback) {
CARDControl* card;
s32 result;
CARDDir* dir;
CARDDir* ent;
result = __CARDSeek(fileInfo, length, offset, &card);
if (result < 0) {
return result;
}
if (OFFSET(offset, card->sectorSize) != 0 || OFFSET(length, card->sectorSize) != 0) {
return __CARDPutControlBlock(card, CARD_RESULT_FATAL_ERROR);
}
dir = __CARDGetDirBlock(card);
ent = &dir[fileInfo->fileNo];
result = __CARDAccess(card, ent);
if (result < 0) {
return __CARDPutControlBlock(card, result);
}
DCStoreRange((void*)buf, (u32)length);
card->apiCallback = callback ? callback : __CARDDefaultApiCallback;
card->buffer = (void*)buf;
result =
__CARDEraseSector(fileInfo->chan, card->sectorSize * (u32)fileInfo->iBlock, EraseCallback);
if (result < 0) {
__CARDPutControlBlock(card, result);
}
return result;
}
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