X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6ce0e5386a5dd4ce8eb171437e2b62ca55a328ea..351d6d17b3fa82a82b2205c69dcc024884d0b146:/client/cmdhf15.c diff --git a/client/cmdhf15.c b/client/cmdhf15.c index 8ddbea89..b6a84c1c 100644 --- a/client/cmdhf15.c +++ b/client/cmdhf15.c @@ -22,18 +22,18 @@ // the client. Signal Processing & decoding is done on the pc. This is the slowest // variant, but offers the possibility to analyze the waveforms directly. +#include "cmdhf15.h" + #include #include #include #include -#include "proxmark3.h" -#include "data.h" +#include "comms.h" #include "graph.h" #include "ui.h" #include "util.h" #include "cmdparser.h" -#include "cmdhf15.h" #include "iso15693tools.h" #include "cmdmain.h" @@ -268,7 +268,7 @@ static char* TagErrorStr(uint8_t error) { case 0x02: return "The command is not recognised"; case 0x03: return "The option is not supported."; case 0x0f: return "Unknown error."; - case 0x10: return "The specified block is not available (doesn’t exist)."; + case 0x10: return "The specified block is not available (doesn't exist)."; case 0x11: return "The specified block is already -locked and thus cannot be locked again"; case 0x12: return "The specified block is locked and its content cannot be changed."; case 0x13: return "The specified block was not successfully programmed."; @@ -286,12 +286,12 @@ int CmdHF15Demod(const char *Cmd) int i, j; int max = 0, maxPos = 0; - int skip = 4; + int skip = 2; - if (GraphTraceLen < 1000) return 0; + if (GraphTraceLen < 2000) return 0; // First, correlate for SOF - for (i = 0; i < 100; i++) { + for (i = 0; i < 200; i++) { int corr = 0; for (j = 0; j < arraylen(FrameSOF); j += skip) { corr += FrameSOF[j] * GraphBuffer[i + (j / skip)]; @@ -310,23 +310,30 @@ int CmdHF15Demod(const char *Cmd) memset(outBuf, 0, sizeof(outBuf)); uint8_t mask = 0x01; for (;;) { - int corr0 = 0, corr1 = 0, corrEOF = 0; - for (j = 0; j < arraylen(Logic0); j += skip) { - corr0 += Logic0[j] * GraphBuffer[i + (j / skip)]; - } - for (j = 0; j < arraylen(Logic1); j += skip) { - corr1 += Logic1[j] * GraphBuffer[i + (j / skip)]; - } - for (j = 0; j < arraylen(FrameEOF); j += skip) { - corrEOF += FrameEOF[j] * GraphBuffer[i + (j / skip)]; - } - // Even things out by the length of the target waveform. - corr0 *= 4; - corr1 *= 4; - - if (corrEOF > corr1 && corrEOF > corr0) { - PrintAndLog("EOF at %d", i); - break; + int corr0 = 0, corr00 = 0, corr01 = 0, corr1 = 0, corrEOF = 0; + for(j = 0; j < arraylen(Logic0); j += skip) { + corr0 += Logic0[j]*GraphBuffer[i+(j/skip)]; + } + corr01 = corr00 = corr0; + for(j = 0; j < arraylen(Logic0); j += skip) { + corr00 += Logic0[j]*GraphBuffer[i+arraylen(Logic0)/skip+(j/skip)]; + corr01 += Logic1[j]*GraphBuffer[i+arraylen(Logic0)/skip+(j/skip)]; + } + for(j = 0; j < arraylen(Logic1); j += skip) { + corr1 += Logic1[j]*GraphBuffer[i+(j/skip)]; + } + for(j = 0; j < arraylen(FrameEOF); j += skip) { + corrEOF += FrameEOF[j]*GraphBuffer[i+(j/skip)]; + } + // Even things out by the length of the target waveform. + corr00 *= 2; + corr01 *= 2; + corr0 *= 4; + corr1 *= 4; + + if(corrEOF > corr1 && corrEOF > corr00 && corrEOF > corr01) { + PrintAndLog("EOF at %d", i); + break; } else if (corr1 > corr0) { i += arraylen(Logic1) / skip; outBuf[k] |= mask;