// Set channel configuration from the config file on the SD card
void readConfigFromFile(){
char line[LINE_SIZE+1]; /* Line Buffer */
int32_t i = 0;
int32_t iVal = 0;
char cVal = 0;
float fVal = 0;
/* Attempt to open config file, error if the file does not exist */
if(f_open(&config, "config.txt", FA_OPEN_EXISTING | FA_READ) != FR_OK){
error(ERROR_READ_CONFIG);
}
/* Read lines to get to update Date/Time */
getNonBlankLine(line,2);
if (line[0] == 'Y' || line[0] == 'y') {
/* Update Date and Time - 4 Lines */
getNonBlankLine(line,1);
/* Line is now the date/time string in YYYY-MM-DD HH:MM:SS */
setTime(line);
/* Read lines to get to update config */
getNonBlankLine(line,1);
} else {
getNonBlankLine(line,3);
}
if (line[0] == 'Y' || line[0] == 'y') {
/* Update Config - */
getNonBlankLine(line,1);
/* Line is now the user header */
endAtNewline(line);
memcpy(daq.user_comment, line, 101);
getNonBlankLine(line,1);
/* Line is now Output Voltage */
sscanf(line, " %f", &fVal);
daq.mv_out = (int32_t)(fVal * 1000);
getNonBlankLine(line,1);
/* Line is now Sample Rate */
sscanf(line, " %d", &iVal);
daq.sample_rate = (int32_t)iVal;
getNonBlankLine(line,1);
/* Line is now trigger delay */
sscanf(line, " %d", &iVal);
daq.trigger_delay = iVal;
getNonBlankLine(line,1);
/* Line is now data mode */
if (line[0] == 'R' || line[0] == 'r') {
daq.data_type = READABLE;
} else if (line[0] == 'B' || line[0] == 'b') {
daq.data_type = BINARY;
} else {
error(ERROR_READ_CONFIG);
}
for (i = 0; i<MAX_CHAN; i++) {
getNonBlankLine(line,1);
/* Channel Config */
/* CH Enabled */
sscanf(line + countToColon(line), " %c", &cVal);
if (cVal == 'Y' || cVal == 'y') {
daq.channel[i].enable = true;
} else if (cVal == 'N' || cVal == 'n') {
daq.channel[i].enable = false;
} else {
error(ERROR_READ_CONFIG);
}
getNonBlankLine(line,0);
/* CH Range */
sscanf(line + countToColon(line), " %c", &cVal);
if (cVal == '5'){
daq.channel[i].range = V5;
} else if (cVal == '2') {
daq.channel[i].range = V24;
} else {
error(ERROR_READ_CONFIG);
}
getNonBlankLine(line, 0);
/* CH Units */
endAtNewline(line);
memcpy(daq.channel[i].unit_name, line + countToColon(line)+1, 9);
getNonBlankLine(line, 0);
/* CH Units/Volt */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].units_per_volt = floatToDecFloat(fVal);
getNonBlankLine(line,0);
/* CH Zero Offset */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].offset_uV = floatToFix(fVal*1000000);
}
/* Read lines to get to update calibration */
getNonBlankLine(line,1);
} else {
/* Move to next section if no update config */
getNonBlankLine(line,29);
}
if (line[0] == 'Y' || line[0] == 'y') {
/* Update Calibration - 18 Lines (Maybe) */
for (i = 0; i<MAX_CHAN;i++) {
getNonBlankLine(line,1);
/* 5V Zero Offset */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].v5_zero_offset = floatToFix(fVal);
getNonBlankLine(line,0);
/* 5V Volt/LSB */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].v5_uV_per_LSB = floatToFix(fVal*1000000);
getNonBlankLine(line,0);
/* 24V Zero Offset */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].v24_zero_offset = floatToFix(fVal);
getNonBlankLine(line,0);
/* 24V Volt/LSB */
sscanf(line + countToColon(line), " %f", &fVal);
daq.channel[i].v24_uV_per_LSB = floatToFix(fVal*1000000);
}
}
/* Close config file */
f_close(&config);
/* Run ConfigCheck After Reading */
daq_configCheck();
}
/* load the sequence struct with comment line and bases */
SeqStructPtr getSeq(char *fname)
{
SeqStructPtr newSeqP;
Boolean endOfSeq;
char c;
if (endOfFile) return ((SeqStructPtr )0); /* bombproofing */
/* malloc a new seq */
if (! (newSeqP = (SeqStructPtr )malloc(sizeof(SeqStruct)) ) )
{
fprintf(stderr,"unable to malloc() memory for sequence.\n");
exit(1);
}
/* clear mem */
memset( (void *)newSeqP, '\0', sizeof(SeqStruct));
/* pick up description line */
if (! getNonBlankLine(newSeqP->descStr) )
{
free(newSeqP);
return ((SeqStructPtr )0);
}
/* did it start correctly ? */
if (newSeqP->descStr[0] != '>')
{
fprintf(stderr,"format error in input file: missing '>'\n");
exit(1);
}
endOfSeq = False;
while ((!endOfFile) && (!endOfSeq))
{
if (getChar(&c))
{
if (c == '>')
{
/* hit new sequence */
endOfSeq = True;
putCharBack(c);
}
else if (((c >= 'A') && (c <= 'Z')) ||
((c >= 'a') && (c <= 'z')))/* bogus test, chris */
/* have nucleotide */
newSeqP->seqStr[newSeqP->seqLen++] = toupper(c);
else if ((c != '\n') && (c != ' ') && (c != '\t'))
{
/* wierd shit in file. bail. */
fprintf(stderr,"bad char in sequence, file %s: %c\n",fname,c);
exit(1);
}
}
}
if (! newSeqP->seqLen)
{
fprintf(stderr,"? Null sequence encountered in file %s (ignored)\n",fname);
fprintf(stderr," %s\n", newSeqP->descStr);
free(newSeqP);
return ((SeqStructPtr )0);
}
return(newSeqP);
} /* getSeq */