X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/cb8220ee769ac07bdf7656161a3961cf6515223a..8aee1b84182e0e6590d4d689271bde0f1c158689:/client/graph.c?ds=inline diff --git a/client/graph.c b/client/graph.c index 06279848..12f5ff71 100644 --- a/client/graph.c +++ b/client/graph.c @@ -14,6 +14,7 @@ #include "ui.h" #include "graph.h" #include "lfdemod.h" +#include "cmddata.h" //for g_debugmode int GraphBuffer[MAX_GRAPH_TRACE_LEN]; int GraphTraceLen; @@ -143,9 +144,13 @@ int GetAskClock(const char str[], bool printAns, bool verbose) PrintAndLog("Failed to copy from graphbuffer"); return -1; } - int start = DetectASKClock(grph, size, &clock, 20); + bool st = DetectST(grph, &size, &clock); + int start = 0; + if (st == false) { + start = DetectASKClock(grph, size, &clock, 20); + } // Only print this message if we're not looping something - if (printAns){ + if (printAns || g_debugMode) { PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start); } return clock; @@ -161,11 +166,12 @@ uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose) PrintAndLog("Failed to copy from graphbuffer"); return 0; } - //uint8_t countPSK_FC(uint8_t *BitStream, size_t size) - - carrier = countFC(grph,size,0); + uint16_t fc = countFC(grph,size,0); + carrier = fc & 0xFF; + if (carrier != 2 && carrier != 4 && carrier != 8) return 0; + if ((fc>>8) == 10 && carrier == 8) return 0; // Only print this message if we're not looping something - if (printAns){ + if (printAns) { PrintAndLog("Auto-detected PSK carrier rate: %d", carrier); } return carrier; @@ -188,7 +194,9 @@ int GetPskClock(const char str[], bool printAns, bool verbose) PrintAndLog("Failed to copy from graphbuffer"); return -1; } - clock = DetectPSKClock(grph,size,0); + size_t firstPhaseShiftLoc = 0; + uint8_t curPhase = 0, fc = 0; + clock = DetectPSKClock(grph, size, 0, &firstPhaseShiftLoc, &curPhase, &fc); // Only print this message if we're not looping something if (printAns){ PrintAndLog("Auto-detected clock rate: %d", clock); @@ -213,7 +221,8 @@ uint8_t GetNrzClock(const char str[], bool printAns, bool verbose) PrintAndLog("Failed to copy from graphbuffer"); return -1; } - clock = DetectNRZClock(grph, size, 0); + size_t clkStartIdx = 0; + clock = DetectNRZClock(grph, size, 0, &clkStartIdx); // Only print this message if we're not looping something if (printAns){ PrintAndLog("Auto-detected clock rate: %d", clock); @@ -251,7 +260,7 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose) if (size==0) return 0; uint16_t ans = countFC(BitStream, size, 1); if (ans==0) { - if (verbose) PrintAndLog("DEBUG: No data found"); + if (verbose || g_debugMode) PrintAndLog("DEBUG: No data found"); return 0; } *fc1 = (ans >> 8) & 0xFF; @@ -259,8 +268,18 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose) *rf1 = detectFSKClk(BitStream, size, *fc1, *fc2); if (*rf1==0) { - if (verbose) PrintAndLog("DEBUG: Clock detect error"); + if (verbose || g_debugMode) PrintAndLog("DEBUG: Clock detect error"); return 0; } return 1; } +bool graphJustNoise(int *BitStream, int size) +{ + static const uint8_t THRESHOLD = 15; //might not be high enough for noisy environments + //test samples are not just noise + bool justNoise1 = 1; + for(int idx=0; idx < size && justNoise1 ;idx++){ + justNoise1 = BitStream[idx] < THRESHOLD; + } + return justNoise1; +}