RfidResearchGroup/proxmark3
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clean up some comments

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This commit is contained in:
marshmellow42 2015-01-26 17:49:30 -05:00
parent 04d2721b3c
commit 8c65b650e8
2 changed files with 8 additions and 15 deletions
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8
client/cmddata.c
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@ -1190,12 +1190,17 @@ int CmdFSKfcDetect(const char *Cmd)
return 1;
}
//by marshmellow
//attempt to detect the bit clock for PSK or NRZ modulations
int CmdDetectNRZpskClockRate(const char *Cmd)
{
GetNRZpskClock("",0,0);
return 0;
}
//by marshmellow
//attempt to psk1 or nrz demod graph buffer
//NOTE CURRENTLY RELIES ON PEAKS :(
int PSKnrzDemod(const char *Cmd, uint8_t verbose)
{
int invert=0;
@ -1296,6 +1301,9 @@ int CmdIndalaDecode(const char *Cmd)
return 1;
}
//by marshmellow
//attempt to clean psk wave noise after a peak
//NOTE RELIES ON PEAKS :(
int CmdPskClean(const char *Cmd)
{
uint8_t bitStream[MAX_GRAPH_TRACE_LEN]={0};

15
common/lfdemod.c
View file

@ -336,30 +336,20 @@ int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
for (i = iii; i < *size; ++i) {
if ((BinStream[i] >= high) && ((i-lastBit)>(*clk-tol))){
lastBit+=*clk;
//BitStream[bitnum] = *invert;
//bitnum++;
midBit=0;
} else if ((BinStream[i] <= low) && ((i-lastBit)>(*clk-tol))){
//low found and we are expecting a bar
lastBit+=*clk;
//BitStream[bitnum] = 1- *invert;
//bitnum++;
midBit=0;
} else if ((BinStream[i]<=low) && (midBit==0) && ((i-lastBit)>((*clk/2)-tol))){
//mid bar?
midBit=1;
//BitStream[bitnum]= 1- *invert;
//bitnum++;
} else if ((BinStream[i]>=high) && (midBit==0) && ((i-lastBit)>((*clk/2)-tol))){
//mid bar?
midBit=1;
//BitStream[bitnum]= *invert;
//bitnum++;
} else if ((i-lastBit)>((*clk/2)+tol) && (midBit==0)){
//no mid bar found
midBit=1;
//BitStream[bitnum]= BitStream[bitnum-1];
//bitnum++;
} else {
//mid value found or no bar supposed to be here
@ -367,16 +357,11 @@ int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
//should have hit a high or low based on clock!!
//debug
//PrintAndLog("DEBUG - no wave in expected area - location: %d, expected: %d-%d, lastBit: %d - resetting search",i,(lastBit+(clk-((int)(tol)))),(lastBit+(clk+((int)(tol)))),lastBit);
//if (bitnum > 0){
// BitStream[bitnum]=77;
// bitnum++;
//}
errCnt++;
lastBit+=*clk;//skip over until hit too many errors
if (errCnt > ((*size/1000))){ //allow 1 error for every 1000 samples else start over
errCnt=0;
// bitnum=0;//start over
break;
}
}