uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
uint8_t g_debugMode=0;
size_t DemodBufferLen=0;
+size_t g_demodStartIdx=0;
+uint8_t g_demodClock=0;
+
static int CmdHelp(const char *Cmd);
//set the demod buffer with given array of binary (one bit per byte)
return;
}
+//should be moved to cmdlfem4x.c
int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
{
size_t idx = 0;
}
return 0;
}
-
+//should be moved to cmdlfem4x.c
int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
{
- bool st = TRUE;
- if (!ASKDemod_ext(Cmd, FALSE, FALSE, 1, &st)) return 0;
+ bool st = true;
+ if (!ASKDemod_ext(Cmd, false, false, 1, &st)) return 0;
return AskEm410xDecode(verbose, hi, lo);
}
+//should be moved to cmdlfem4x.c
//by marshmellow
//takes 3 arguments - clock, invert and maxErr as integers
//attempts to demodulate ask while decoding manchester
askAmp(BitStream, BitLen);
}
bool st = false;
- if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk);
+ size_t ststart = 0, stend = 0;
+ if (*stCheck) st = DetectST_ext(BitStream, &BitLen, &foundclk, &ststart, &stend);
if (st) {
*stCheck = st;
clk = (clk == 0) ? foundclk : clk;
- if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator");
+ CursorCPos = ststart;
+ CursorDPos = stend;
+ if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator - First one is shown by orange and blue graph markers");
}
int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askamp, askType);
if (errCnt<0 || BitLen<16){ //if fatal error (or -1)
PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
return 0;
}
- bool st = TRUE;
+ bool st = true;
if (Cmd[0]=='s')
- return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st);
+ return ASKDemod_ext(Cmd++, true, true, 1, &st);
else if (Cmd[1] == 's')
- return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st);
+ return ASKDemod_ext(Cmd+=2, true, true, 1, &st);
else
- return ASKDemod(Cmd, TRUE, TRUE, 1);
+ return ASKDemod(Cmd, true, true, 1);
}
//by marshmellow
sscanf(Cmd, "%i %i", &invert, &maxErr);
size=i;
- errCnt=manrawdecode(BitStream, &size, invert);
+ uint8_t alignPos = 0;
+ errCnt=manrawdecode(BitStream, &size, invert, &alignPos);
if (errCnt>=maxErr){
PrintAndLog("Too many errors: %d",errCnt);
return 0;
PrintAndLog(" : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
return 0;
}
- return ASKbiphaseDemod(Cmd, TRUE);
+ return ASKbiphaseDemod(Cmd, true);
}
+//could be split to a gProxII file
//by marshmellow
//attempts to demodulate and identify a G_Prox_II verex/chubb card
//WARNING: if it fails during some points it will destroy the DemodBuffer data
//if successful it will push askraw data back to demod buffer ready for emulation
int CmdG_Prox_II_Demod(const char *Cmd)
{
- if (!ASKbiphaseDemod(Cmd, FALSE)){
+ if (!ASKbiphaseDemod(Cmd, false)){
if (g_debugMode) PrintAndLog("Error gProxII: ASKbiphaseDemod failed 1st try");
return 0;
}
return 1;
}
+//could be moved to a viking file
//by marshmellow
//see ASKDemod for what args are accepted
int CmdVikingDemod(const char *Cmd)
PrintAndLog(" : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
return 0;
}
- return ASKDemod(Cmd, TRUE, FALSE, 0);
+ return ASKDemod(Cmd, true, false, 0);
}
int AutoCorrelate(int window, bool SaveGrph, bool verbose)
return usage_data_autocorr();
int window = 4000; //set default
char grph=0;
- bool updateGrph = FALSE;
+ bool updateGrph = false;
sscanf(Cmd, "%i %c", &window, &grph);
if (window >= GraphTraceLen) {
GraphTraceLen);
return 0;
}
- if (grph == 'g') updateGrph=TRUE;
- return AutoCorrelate(window, updateGrph, TRUE);
+ if (grph == 'g') updateGrph=true;
+ return AutoCorrelate(window, updateGrph, true);
}
int CmdBitsamples(const char *Cmd)
PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
return 0;
}
- return FSKrawDemod(Cmd, TRUE);
+ return FSKrawDemod(Cmd, true);
}
+//move to cmdlfhid.c
//by marshmellow (based on existing demod + holiman's refactor)
//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
//print full HID Prox ID and some bit format details if found
return 1;
}
+
//by marshmellow
//Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
//print full Paradox Prox ID and some bit format details if found
PrintAndLog(" : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
return 0;
}
- return NRZrawDemod(Cmd, TRUE);
+ return NRZrawDemod(Cmd, true);
}
// by marshmellow
PrintAndLog(" : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
return 0;
}
- ans = PSKDemod(Cmd, TRUE);
+ ans = PSKDemod(Cmd, true);
//output
if (!ans){
if (g_debugMode) PrintAndLog("Error demoding: %d",ans);
PrintAndLog(" : data rawdemod p2 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
return 0;
}
- ans=PSKDemod(Cmd, TRUE);
+ ans=PSKDemod(Cmd, true);
if (!ans){
if (g_debugMode) PrintAndLog("Error demoding: %d",ans);
return 0;
return 0;
}
+// trim graph (middle) piece
+int CmdMtrim(const char *Cmd) {
+ int start = 0, stop = 0;
+ sscanf(Cmd, "%i %i", &start, &stop);
+
+ if (start > GraphTraceLen || stop > GraphTraceLen || start > stop) return 0;
+ start++; //leave start position sample
+
+ GraphTraceLen -= stop - start;
+ for (int i = 0; i < GraphTraceLen; i++) {
+ GraphBuffer[start+i] = GraphBuffer[stop+i];
+ }
+ return 0;
+}
+
+
int CmdNorm(const char *Cmd)
{
int i;
if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
{
lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
- GraphBuffer[i] = 1;
+ GraphBuffer[i] = 127;
}
// Apply second threshold to samples heading down
else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
{
lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
- GraphBuffer[i] = -1;
+ GraphBuffer[i] = -127;
}
else
{
{"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"},
{"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"},
{"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"},
+ {"mtrim", CmdMtrim, 1, "<start> <stop> -- Trim out samples from the specified start to the specified stop"},
{"manrawdecode", Cmdmandecoderaw, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
{"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
projects / proxmark3-svn / blobdiff