//***************************************************************************
//Function: to get DIR/FILE list or a single file address (cluster number) or to delete a specified file
//Arguments: #1 - flag: GET_LIST, GET_FILE or DELETE #2 - pointer to file name (0 if arg#1 is GET_LIST)
//return: first cluster of the file, if flag = GET_FILE
// print file/dir list of the root directory, if flag = GET_LIST
// Delete the file mentioned in arg#2, if flag = DELETE
//****************************************************************************
struct dir_Structure* findFiles (unsigned char flag, unsigned char *fileName)
{
unsigned long cluster, sector, firstSector;
struct dir_Structure *dir;
unsigned int i;
unsigned char j;
cluster = rootCluster; //root cluster
while(1)
{
firstSector = getFirstSector (cluster);
for(sector = 0; sector < sectorPerCluster; sector++)
{
SD_readSingleBlock (firstSector + sector);
for(i=0; i<bytesPerSector; i+=32)
{
dir = (struct dir_Structure *) &buffer[i];
if(dir->name[0] == EMPTY) //indicates end of the file list of the directory
{
if((flag == GET_FILE) || (flag == DELETE))
//transmitString("File does not exist!");
return 0;
}
else if((dir->name[0] != DELETED) && (dir->attrib != ATTR_LONG_NAME))
{
if((flag == GET_FILE) || (flag == DELETE))
{
for(j=0; j<11; j++)
if(dir->name[j] != fileName[j]) break;
if(j == 11)
{
if(flag == GET_FILE)
return (dir);
}
}
}
}
}
cluster = (getSetNextCluster (cluster, GET, 0));
if(cluster > 0x0ffffff6) return 0;
if(cluster == 0)
{
//transmitString("Error in getting cluster");
return 0;
}
}
return 0;
}
//uint8_t readCfgFile(DATE *adate,TIME *atime, uint8_t *filename_dat, uint8_t atomic)
uint8_t readCfgFile(char *filename_dat) //, uint8_t atomic)
{
DIR *dir;
uint32_t cluster, fileSize, firstSector;
uint16_t k;
uint8_t i,j,ld,lt;
uint8_t filename[]= "CONFIG CFG";
uint8_t filename2[]="_CONFIG CFG";
dir = findFiles (GET_FILE, filename, filename); //, atomic); //get the file location
if(dir == 0)
return(0);
cluster = (((uint32_t) dir->firstClusterHI) << 16) | dir->firstClusterLO;
fileSize = dir->fileSize;
ld = 0;
lt = 0;
while(1)
{
ClusterNumber = cluster;
firstSector = getFirstSector ();
for(j=0; j<SectorPerCluster; j++)
{
SD_readSingleBlock(firstSector + j); //, atomic);
for(k=0; k<512; k++)
{
switch(buffer[k])
{
case 'S':
k++;
if(buffer[k]=='T')
{
k++;
Time.h = getDec((uint8_t*)buffer+k);
//k +=2;
Time.m = getDec((uint8_t*)buffer+k+2);
//k +=2;
Time.s = getDec((uint8_t*)buffer+k+4);
}
else if(buffer[k]=='D')
{
k++;
Date.d = getDec(&buffer[k]);
//k +=2;
Date.m = getDec(&buffer[k+2]);
//k +=2;
Date.y = 20 + getDec(&buffer[k+4]);
}
else if(buffer[k]=='F')
{
k = k+2;
for(i=0;i<8;i++)
{
if(buffer[k+i] < 0x21) //if any control code and space
{
filename_dat[i] = 0x00;
break;
}
filename_dat[i] = buffer[k+i];
}
filename_dat[i+1] = 0x00;
// i = strlcpy(filename_dat,&(buffer[k]),9);
k = k+i;
}
else if(buffer[k]=='I')
{
k +=2;
for(i=0;i<13;i++)
{
if(buffer[k+i] < 0x20) //if any control code
break;
inset[i] = buffer[k+i];
}
}
break;
case 'A':
k++;
if(buffer[k]=='D')
{
k++;
ADate[ld].d = getDec((uint8_t*)buffer+k);
//k +=2;
ADate[ld].m = getDec((uint8_t*)buffer+k+2);
//k +=2;
ADate[ld].y = 20 + getDec((uint8_t*)buffer+k+4);
ld++;
}
else if(buffer[k]=='T')
{
k++;
ATime[lt].h = getDec((uint8_t*)buffer+k);
//k +=2;
ATime[lt].m = getDec((uint8_t*)buffer+k+2);
//k +=2;
ATime[lt].s = getDec((uint8_t*)buffer+k+4);
lt++;
}
break;
}
if (k >= fileSize )
{
findFiles(RENAME, filename, filename2); //, atomic);
return(lt);
}
}
}
ClusterNumber = cluster;
cluster = getSetNextCluster (GET); //, 0, atomic);
if(cluster == 0)
{
//#if BIGAVR == 1
// printf_P(PSTR("ERR GETTING CLUSTERb\n"));
//#endif //BIGAVR
return(0);
}
}
return(0);
}
//uint8_t readCfgFile(DATE *adate,TIME *atime, uint8_t *filename_dat, uint8_t atomic)
uint8_t readCfgFile(uint8_t *filename_dat, uint8_t atomic)
{
DIR *dir;
uint32_t cluster, fileSize, firstSector;
uint16_t k;
uint8_t i,j,ld,lt;
uint8_t filename[]="CONFIG CFG";
uint8_t filename2[]="_CONFIG CFG";
TIME_t time;
DATE_t date;
dir = findFiles (GET_FILE, filename, filename, atomic); //get the file location
if(dir == 0)
return(0);
cluster = (((uint32_t) dir->firstClusterHI) << 16) | dir->firstClusterLO;
fileSize = dir->fileSize;
ld = 0;
lt = 0;
while(1)
{
firstSector = getFirstSector (cluster);
for(j=0; j<SectorPerCluster; j++)
{
SD_readSingleBlock(firstSector + j, atomic);
for(k=0; k<512; k++)
{
switch(buffer[k])
{
case 'S':
k++;
switch(buffer[k])
{
case 'T':
k++;
time.h = getDec((uint8_t*)buffer+k);
time.m = getDec((uint8_t*)buffer+k+2);
time.s = getDec((uint8_t*)buffer+k+4);
break;
case 'D':
k++;
date.d = getDec(&buffer[k]);
date.m = getDec(&buffer[k+2]);
date.y = 20 + getDec(&buffer[k+4]);
break;
case 'F':
k = k+2;
for(i=0;i<13;i++)
{
if(buffer[k+i] < 0x20) //if any control code
break;
filename_dat[i] = buffer[k+i];
}
k = k+i;
break;
case 'M': //mask definitions: M - mic only, S - SHT sensor only, T - DS1820 1-wire sensor, X - Mic+SHT, '-' - nothing
k++;
for(i=0;i<12;i++)
{
Mask.SHT = Mask.SHT<<1;
Mask.MIC = Mask.MIC<<1;
switch(buffer[k+i])
{
// case 'X': //SHT mask generated from mic mask!
// Mask.SHT |= 0x0001;
case 'M':
Mask.MIC |= 0x0001;
break;
// case 'S':
// Mask.SHT |= 0x0001;
// break;
case 'T':
Mask.DS |= 0x01; // any T will cause DS mask to be one...
break;
default:
break;
}
}
k = k+i;
}
break;
case 'A':
k++;
if(buffer[k]=='D')
{
k++;
ADate[ld].d = getDec((uint8_t*)buffer+k);
//k +=2;
ADate[ld].m = getDec((uint8_t*)buffer+k+2);
//k +=2;
ADate[ld].y = 20 + getDec((uint8_t*)buffer+k+4);
ld++;
}
else if(buffer[k]=='T')
{
k++;
ATime[lt].h = getDec((uint8_t*)buffer+k);
//k +=2;
ATime[lt].m = getDec((uint8_t*)buffer+k+2);
//k +=2;
ATime[lt].s = getDec((uint8_t*)buffer+k+4);
lt++;
}
break;
}
if (k >= fileSize )
{
findFiles(RENAME,filename, filename2, atomic);
RTC_SetDateTime(&date, &time);
//?? if(Mask.SHT)
// {
generate_mask_bm();
// }
return(lt);
}
}
}
cluster = getSetNextCluster (cluster, GET, 0, atomic);
if(cluster == 0)
{
#if RSCOM == 1
printf_P(PSTR("ERR GETTING CLUSTERb\n"));
#endif //BIGAVR
return(0);
}
}
return(0);
}