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lfdemods streamline & bug fixes

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removed duplicate code countPSK_FC - adjusted countFC to work.
bug fixes & streamlined code in:
lf hid fskdemod
lf em em410xdemod

cleaned up lfdemod.c some
This commit is contained in:
marshmellow42 2015-03-27 00:02:30 -04:00
commit 2eec55c8a4
5 changed files with 443 additions and 665 deletions
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9
client/cmddata.c
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@ -1146,7 +1146,7 @@ int FSKrawDemod(const char *Cmd, bool verbose)
if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
if (rfLen==1){
invert=1; //if invert option only is used
invert = 1; //if invert option only is used
rfLen = 0;
}
}
@ -1156,9 +1156,8 @@ int FSKrawDemod(const char *Cmd, bool verbose)
if (BitLen==0) return 0;
//get field clock lengths
uint16_t fcs=0;
uint8_t dummy=0;
if (fchigh==0 || fclow == 0){
fcs = countFC(BitStream, BitLen, &dummy);
fcs = countFC(BitStream, BitLen, 1);
if (fcs==0){
fchigh=10;
fclow=8;
@ -1822,7 +1821,7 @@ int PSKDemod(const char *Cmd, bool verbose)
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
size_t BitLen = getFromGraphBuf(BitStream);
if (BitLen==0) return -1;
uint8_t carrier=countPSK_FC(BitStream, BitLen);
uint8_t carrier=countFC(BitStream, BitLen, 0);
if (carrier!=2 && carrier!=4 && carrier!=8){
//invalid carrier
return 0;
@ -1957,7 +1956,7 @@ int NRZrawDemod(const char *Cmd, bool verbose)
if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
if (errCnt<0 || BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
if (g_debugMode) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
}

5
client/graph.c
View file

@ -146,7 +146,7 @@ uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose)
}
//uint8_t countPSK_FC(uint8_t *BitStream, size_t size)
carrier = countPSK_FC(grph,size);
carrier = countFC(grph,size,0);
// Only print this message if we're not looping something
if (printAns){
PrintAndLog("Auto-detected PSK carrier rate: %d", carrier);
@ -232,8 +232,7 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose)
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
size_t size = getFromGraphBuf(BitStream);
if (size==0) return 0;
uint8_t dummy = 0;
uint16_t ans = countFC(BitStream, size, &dummy);
uint16_t ans = countFC(BitStream, size, 1);
if (ans==0) {
if (verbose) PrintAndLog("DEBUG: No data found");
return 0;