void EFile::EeFsFree(uint8_t blk){///free one or more blocks
uint8_t i = blk;
while( EeFsGetLink(i)) i = EeFsGetLink(i);
EeFsSetLink(i,eeFs->freeList);
eeFs->freeList = blk; //chain in front
EeFsFlushFreelist();
}
uint8_t EFile::EeFsAlloc(){ ///alloc one block from freelist
uint8_t ret=eeFs->freeList;
if(ret){
eeFs->freeList = EeFsGetLink(ret);
EeFsFlushFreelist();
EeFsSetLink(ret,0);
}
return ret;
}
int8_t EFile::EeFsck()
{
uint8_t *bufp;
static uint8_t buffer[BLOCKS];
bufp = buffer;
memset(bufp,0,BLOCKS);
uint8_t blk ;
int8_t ret=0;
for(uint8_t i = 0; i <= MAXFILES; i++){
uint8_t *startP = i==MAXFILES ? &(eeFs->freeList) : &(eeFs->files[i].startBlk);
uint8_t lastBlk = 0;
blk = *startP;
//if(i == MAXFILES) blk = eeFs->freeList;
// else blk = eeFs->files[i].startBlk;
while(blk){
// if(blk < FIRSTBLK ) goto err_1; //bad blk index
// if(blk >= BLOCKS ) goto err_2; //bad blk index
// if(bufp[blk]) goto err_3; //blk double usage
if( ( blk < FIRSTBLK ) //goto err_1; //bad blk index
|| (blk >= BLOCKS ) //goto err_2; //bad blk index
|| (bufp[blk] ))//goto err_3; //blk double usage
{
if(lastBlk){
EeFsSetLink(lastBlk,0);
}else{
*startP = 0; //interrupt chain at startpos
EeFsFlush();
}
blk=0; //abort
}else{
bufp[blk] = i+1;
lastBlk = blk;
blk = EeFsGetLink(blk);
}
}
}
for(blk = FIRSTBLK; blk < BLOCKS; blk++){
if(bufp[blk]==0) { //goto err_4; //unused block
EeFsSetLink(blk,eeFs->freeList);
eeFs->freeList = blk; //chain in front
EeFsFlushFreelist();
}
}
// if(0){
//err_4: ret--;
//err_3: ret--;
// err_2: ret--;
// err_1: ret--;
// }
return ret;
}
/// free one or more blocks
static void EeFsFree(blkid_t blk)
{
blkid_t i = blk;
blkid_t tmp;
freeBlocks++;
while ((tmp=EeFsGetLink(i))) {
i = tmp;
freeBlocks++;
}
EeFsSetLink(i, eeFs.freeList);
eeFs.freeList = blk; //chain in front
EeFsFlushFreelist();
}
/// free one or more blocks
static void EeFsFree(blkid_t blk)
{
blkid_t i = blk;
blkid_t tmp;
#if defined(PCBTARANIS)
freeBlocks++;
#endif
while ((tmp=EeFsGetLink(i))) {
i = tmp;
#if defined(PCBTARANIS)
freeBlocks++;
#endif
}
EeFsSetLink(i, eeFs.freeList);
eeFs.freeList = blk; //chain in front
EeFsFlushFreelist();
}
int8_t EeFsck()
{
ENABLE_SYNC_WRITE(true);
uint8_t *bufp = (uint8_t *)&g_model;
memclear(bufp, BLOCKS);
blkid_t blk ;
#if defined(PCBTARANIS)
blkid_t blocksCount;
#endif
for (uint8_t i=0; i<=MAXFILES; i++) {
#if defined(PCBTARANIS)
blocksCount = 0;
#endif
blkid_t *startP = (i==MAXFILES ? &eeFs.freeList : &eeFs.files[i].startBlk);
blkid_t lastBlk = 0;
blk = *startP;
while (blk) {
if (blk < FIRSTBLK || // bad blk index
blk >= BLOCKS || // bad blk indexchan
bufp[blk]) // blk double usage
{
if (lastBlk) {
EeFsSetLink(lastBlk, 0);
}
else {
*startP = 0; // interrupt chain at startpos
EeFsFlush();
}
blk = 0; // abort
}
else {
#if defined(PCBTARANIS)
blocksCount++;
#endif
bufp[blk] = i+1;
lastBlk = blk;
blk = EeFsGetLink(blk);
}
}
}
#if defined(PCBTARANIS)
freeBlocks = blocksCount;
#endif
for (blk=FIRSTBLK; blk<BLOCKS; blk++) {
if (!bufp[blk]) { // unused block
#if defined(PCBTARANIS)
freeBlocks++;
#endif
EeFsSetLink(blk, eeFs.freeList);
eeFs.freeList = blk; // chain in front
EeFsFlushFreelist();
}
}
ENABLE_SYNC_WRITE(false);
return 0;
}
