AtaError ATA_setDateTime(AtaFile *pAtaFile)
{
AtaUint16 jj;
AtaUint32 ll;
AtaState *pAtaDrive=pAtaFile->pDrive;
AtaError ret_stat = ATA_ERROR_NONE;
AtaUint16 *_AtaWriteBuffer = pAtaDrive->_AtaWriteBuffer;
if (pAtaFile==NULL) return(ATA_ERROR_INVALID_PARAM); //KR042610
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)pAtaFile->CurrentDirEntry, (AtaUint16 *)&jj, pAtaFile, &ret_stat);
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
/* Update directory entry*/
jj+=11;
_AtaWriteBuffer[jj++] = pAtaFile->Time = pAtaDrive->get_mod_time();
_AtaWriteBuffer[jj] = pAtaFile->Date = pAtaDrive->get_mod_date();
/* Commit replacement directory entry sector to disk*/
ret_stat = _AtaFlush(pAtaDrive);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSector(ll, pAtaDrive->pAtaMediaState, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSectorFlush(pAtaDrive->pAtaMediaState);
return(ret_stat);
}
AtaError ATA_setAttr(AtaFile *pAtaFile, AtaUint16 Attr)
{
AtaUint16 jj;
AtaUint32 ll;
AtaState *pAtaDrive=pAtaFile->pDrive;
AtaError ret_stat = ATA_ERROR_NONE;
AtaUint16 *_AtaWriteBuffer = pAtaDrive->_AtaWriteBuffer;
if (pAtaFile==NULL) return(ATA_ERROR_INVALID_PARAM); //KR042610
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)pAtaFile->CurrentDirEntry, (AtaUint16 *)&jj, pAtaFile, &ret_stat);
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
/* Update directory entry*/
jj+=5;
/* _AtaWriteBuffer[jj] |= Attr << 8;*/ /*SUSMIT - Absolute attribute setting BUGGIX*/
_AtaWriteBuffer[jj] &= 0x00ff;
_AtaWriteBuffer[jj] |= Attr << 8;
pAtaFile->Attributes = Attr;
/* Commit replacement directory entry sector to disk*/
ret_stat = _AtaFlush(pAtaDrive);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSector(ll, pAtaDrive->pAtaMediaState, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSectorFlush(pAtaDrive->pAtaMediaState);
return(ret_stat);
}
AtaError ATA_getLongName(AtaFile *pAtaFile, char *LongName, AtaUint16 StartOffset, AtaUint16 Length)
{
register char *cc;
AtaError ret_stat = ATA_ERROR_NONE;
AtaUint32 ll;AtaUint16 kk;
short jj = 0;long lll;
AtaState *pAtaDrive = pAtaFile->pDrive;
AtaUint16 *_AtaWriteBuffer = pAtaDrive->_AtaWriteBuffer;
AtaUint16 exit_flag = 0;
AtaUint16 NumLFNEntry = 0;
int i,j;AtaUint16 icnt = 0;
AtaUint16 file_cksum = _Ata_lfn_checksum(pAtaFile);
if ((pAtaFile==NULL)||(pAtaDrive==NULL)) return(ATA_ERROR_INVALID_PARAM); //KR042610
file_cksum = file_cksum<<8;
file_cksum &= 0xff00;
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)pAtaFile->CurrentDirEntry, (AtaUint16 *)&jj, pAtaFile, &ret_stat);
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
kk=jj;
jj-=16;
/*SUSMIT - Fix for UNICODE*/
/* while(((_AtaWriteBuffer[jj+5] == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {*/
while((((_AtaWriteBuffer[jj+5]&0xff00) == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {
/*SUSMIT - Fix for UNICODE*/
if(_AtaWriteBuffer[jj]&0x0040) exit_flag = 1;
NumLFNEntry++;
jj-=16; }
/*SUSMIT - Code to check for corner cases*/
if((!exit_flag)&&((NumLFNEntry)||(kk==0))) {
ret_stat = AtaGetLFN(ll, pAtaDrive, LongName, &icnt, kk, jj, Length, NumLFNEntry);
NumLFNEntry = 0;
if(ret_stat) return(ret_stat);
/*Susmit - Fix for .*/
lll = (AtaUint32)pAtaFile->CurrentDirEntry-16-(AtaUint16)(kk%16);
if(lll<0) lll = (AtaUint32)pAtaFile->CurrentDirEntry;
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)(lll), (AtaUint16 *)&jj, pAtaFile, &ret_stat);
/*Susmit - Fix for .*/
/* ll = _AtaCalculatePhySectorAndOffsetFromDirEntry(((AtaUint32)pAtaFile->CurrentDirEntry-16-(AtaUint16)(kk%16)), (AtaUint16 *)&jj, pAtaFile, &ret_stat);*/
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
jj = 256;
kk=jj;
jj-=16;
/*SUSMIT - Fix for UNICODE*/
/* while(((_AtaWriteBuffer[jj+5] == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {*/
while((((_AtaWriteBuffer[jj+5]&0xff00) == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {
/*SUSMIT - Fix for UNICODE*/
if(_AtaWriteBuffer[jj]&0x0040) exit_flag = 1;
NumLFNEntry++;
jj-=16; }
}
/*SUSMIT - Code to check for corner cases*/
if(NumLFNEntry) {
ret_stat = AtaGetLFN(ll, pAtaDrive, LongName, &icnt, kk, jj, Length, NumLFNEntry);
NumLFNEntry = 0;
if(ret_stat) return(ret_stat);
/*End of filename collection, now need to put '\0' at proper place - SUSMIT*/
/*SUSMIT - Fix for UNICODE of more than 208 characters*/
if(!exit_flag) {
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)(lll-16), (AtaUint16 *)&jj, pAtaFile, &ret_stat);
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
jj = 256;
kk=jj;
jj-=16;
/*SUSMIT - Fix for UNICODE*/
/* while(((_AtaWriteBuffer[jj+5] == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {*/
while((((_AtaWriteBuffer[jj+5]&0xff00) == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(jj>=0)&&(!exit_flag)&&(_AtaWriteBuffer[jj+6] == file_cksum)) {
/*SUSMIT - Fix for UNICODE*/
if(_AtaWriteBuffer[jj]&0x0040) exit_flag = 1;
NumLFNEntry++;
jj-=16; }
}
/*SUSMIT - Code to check for corner cases*/
if(NumLFNEntry) {
ret_stat = AtaGetLFN(ll, pAtaDrive, LongName, &icnt, kk, jj, Length, NumLFNEntry);
NumLFNEntry = 0;
if(ret_stat) return(ret_stat);
}
/*SUSMIT - Fix for UNICODE of more than 208 characters*/
if(icnt < Length) LongName[icnt] = '\0';
/*SUSMIT - No need to worry about zeroes if we get the full LFN, they will come automatically from LFN entries*/
}
else {
cc = pAtaFile->Filename;
i = 0;j = 0;
while((*cc!=' ')&&(i<Length)&&(*cc!='\0')) {LongName[i++] = pAtaFile->Filename[j++];cc++;}
cc = pAtaFile->Ext; j = 0;
if((i<Length)&&(*cc!=' ')&&(*cc!='\0')) LongName[i++] = '.';
while((*cc!=' ')&&(i<Length)&&(*cc!='\0')) {LongName[i++] = pAtaFile->Ext[j++];cc++;}
if(i<Length) LongName[i] = '\0'; }
return(ret_stat);
}
AtaError ATA_deleteLong(AtaFile *pAtaFile)
{
int last_cluster;
AtaError ret_stat = ATA_ERROR_NONE;
AtaUint32 ll;
unsigned short jj = 0;
/*SUSMIT - New LFN Fix*/
AtaUint16 deleteflag = 0;
/*SUSMIT - New LFN Fix*/
AtaState *pAtaDrive = pAtaFile->pDrive;
AtaUint16 *_AtaWriteBuffer = pAtaDrive->_AtaWriteBuffer;
AtaUint32 direntrycounter, dircounterstart = 0;
AtaUint16 entriespersector = pAtaDrive->WordsPerLogSector/16;
AtaUint16 file_cksum = _Ata_lfn_checksum(pAtaFile);
if (pAtaFile==NULL) return(ATA_ERROR_INVALID_PARAM); //KR042610
file_cksum = file_cksum<<8;
file_cksum &= 0xff00;
if(pAtaFile->CurrentDirEntry>20) {dircounterstart = (AtaUint32)(pAtaFile->CurrentDirEntry-20);
dircounterstart-=(AtaUint32)(dircounterstart%entriespersector);}
/*SUSMIT - This magic number 20 comes from the limitation that an LFN can contain max 255
characters & all the entries are contiguous*/
for(direntrycounter = dircounterstart; direntrycounter <= pAtaFile->CurrentDirEntry; direntrycounter += entriespersector) {
ll = _AtaCalculatePhySectorAndOffsetFromDirEntry((AtaUint32)direntrycounter, (AtaUint16 *)&jj, pAtaFile, &ret_stat);
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadSector(ll, pAtaDrive, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
while(jj<256) {
if((((_AtaWriteBuffer[jj+5]&0xff00) == 0x0F00)||(_AtaWriteBuffer[jj+5] == 0x0FFF))&&(_AtaWriteBuffer[jj+6] == file_cksum))
/*SUSMIT - New LFN Fix*/
{ if(((_AtaWriteBuffer[jj]&0x0040)==0x0040)&&((_AtaWriteBuffer[jj]&0x000f)==(pAtaFile->CurrentDirEntry-(direntrycounter+jj/entriespersector)))) deleteflag = 1;
/*SUSMIT - New LFN deletion modification to save characters*/
/* if(deleteflag){ _AtaWriteBuffer[jj] = '\xE5'; }*/
if(deleteflag){ _AtaWriteBuffer[jj] = (_AtaWriteBuffer[jj]&0xff00)|0x00E5; }
/*SUSMIT - New LFN deletion modification to save characters*/
}
jj+=16;
/*SUSMIT - New LFN Fix*/
}
ret_stat = _AtaFlush(pAtaDrive);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSector(ll, pAtaDrive->pAtaMediaState, &_AtaWriteBuffer[0], 0);
if(ret_stat) return(ret_stat);
ret_stat = pAtaDrive->AtaWriteSectorFlush(pAtaDrive->pAtaMediaState);
if(ret_stat) return(ret_stat);
}
/*Deletion of 8.3 directory entry & actual file - Susmit*/
pAtaFile->PrevBrokenCluster = pAtaFile->NextBrokenCluster = pAtaFile->Cluster = pAtaFile->StartCluster;
pAtaFile->Filename[0] = '\xE5';
if(_AtaCreate(pAtaFile,2,0))
{
return(1);
}
/*SUSMIT - Directory Delete FAT Updation Bug Fix*/
/* if(pAtaFile->Size!=0) {*/
/* if((pAtaFile->Size!=0)||(pAtaFile->Attributes == ATA_ATTR_DIRECTORY)) *//*SUSMIT - Directory Attribute Fix*/
if((pAtaFile->Size!=0)||(ATA_isDir(pAtaFile)))
/*SUSMIT - Directory Delete FAT Updation Bug Fix*/
{
do
{
/*SUSMIT - New delete change due to modification in _AtaFindNextBrokenCluster*/
/* ret_stat = _AtaFindNextBrokenCluster(pAtaFile,1);*/
ret_stat = _AtaFindNextBrokenCluster(pAtaFile,0);
/*SUSMIT - New delete change due to modification in _AtaFindNextBrokenCluster*/
if(ret_stat == ATA_ERROR_EOF) ret_stat = ATA_ERROR_NONE;
if(ret_stat) return(ret_stat);
ret_stat = _AtaReadFatEntry(pAtaFile->NextBrokenCluster, pAtaDrive, &last_cluster, &pAtaFile->Cluster);
if(ret_stat) return(ret_stat);
ret_stat = _AtaWriteFatEntry(pAtaFile,1);
if(ret_stat) return(ret_stat);
}
while(!last_cluster);
}
return(ret_stat);
}
