X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f81c82c342ce9d6131582039d22533ba1802dbfc..bea2a8660edd6cabce704207548d669761ef4a6d:/winsrc/command.cpp?ds=inline diff --git a/winsrc/command.cpp b/winsrc/command.cpp index 44e0326b..08feb3dd 100644 --- a/winsrc/command.cpp +++ b/winsrc/command.cpp @@ -301,17 +301,19 @@ static void CmdEM4x50read(char *str) while(i < GraphTraceLen) { // measure from low to low - while(GraphBuffer[i] > low) + while((GraphBuffer[i] > low) && (i low) + while((GraphBuffer[i] > low) && (i(MAX_GRAPH_TRACE_LEN/64)) { + break; + } tmpbuff[j++]= i - start; } - /* look for data start - should be 2 pairs of LW (pulses of 192,128) */ start= -1; skip= 0; @@ -1395,45 +1397,6 @@ static void CmdHi15demod(char *str) PrintToScrollback("CRC=%04x", Iso15693Crc(outBuf, k-2)); } -static void CmdTIReadRaw(char *str) -{ - UsbCommand c; - c.cmd = CMD_ACQUIRE_RAW_BITS_TI_TYPE; - SendCommand(&c, FALSE); -} - -static void CmdTIBits(char *str) -{ - int cnt = 0; - int i; -// for(i = 0; i < 1536; i += 12) { - for(i = 0; i < 4000; i += 12) { - UsbCommand c; - c.cmd = CMD_DOWNLOAD_RAW_BITS_TI_TYPE; - c.ext1 = i; - SendCommand(&c, FALSE); - ReceiveCommand(&c); - if(c.cmd != CMD_DOWNLOADED_RAW_BITS_TI_TYPE) { - PrintToScrollback("bad resp"); - return; - } - int j; - for(j = 0; j < 12; j++) { - int k; - for(k = 31; k >= 0; k--) { - if(c.d.asDwords[j] & (1 << k)) { - GraphBuffer[cnt++] = 1; - } else { - GraphBuffer[cnt++] = -1; - } - } - } - } -// GraphTraceLen = 1536*32; - GraphTraceLen = 4000*32; - RepaintGraphWindow(); -} - static void CmdFSKdemod(char *cmdline) { static const int LowTone[] = { @@ -1452,13 +1415,13 @@ static void CmdFSKdemod(char *cmdline) 1, 1, 1, 1, -1, -1, -1, -1, -1, }; - int convLen = max(arraylen(HighTone), arraylen(LowTone)); + int lowLen = sizeof(LowTone)/sizeof(int); + int highLen = sizeof(HighTone)/sizeof(int); + int convLen = (highLen>lowLen)?highLen:lowLen; DWORD hi = 0, lo = 0; int i, j; int minMark=0, maxMark=0; - int lowLen = arraylen(LowTone); - int highLen = arraylen(HighTone); for(i = 0; i < GraphTraceLen - convLen; i++) { int lowSum = 0, highSum = 0; @@ -1497,10 +1460,10 @@ static void CmdFSKdemod(char *cmdline) int max = 0, maxPos = 0; for(i = 0; i < 6000; i++) { int dec = 0; - for(j = 0; j < 3*arraylen(LowTone); j++) { + for(j = 0; j < 3*lowLen; j++) { dec -= GraphBuffer[i+j]; } - for(; j < 3*(arraylen(LowTone) + arraylen(HighTone) ); j++) { + for(; j < 3*(lowLen + highLen ); j++) { dec += GraphBuffer[i+j]; } if(dec > max) { @@ -1520,7 +1483,7 @@ static void CmdFSKdemod(char *cmdline) GraphBuffer[maxPos+1] = minMark; PrintToScrollback("actual data bits start at sample %d", maxPos); - PrintToScrollback("length %d/%d", arraylen(HighTone), arraylen(LowTone)); + PrintToScrollback("length %d/%d", highLen, lowLen); BYTE bits[46]; bits[sizeof(bits)-1] = '\0'; @@ -1528,10 +1491,10 @@ static void CmdFSKdemod(char *cmdline) // find bit pairs and manchester decode them for(i = 0; i < arraylen(bits)-1; i++) { int dec = 0; - for(j = 0; j < arraylen(LowTone); j++) { + for(j = 0; j < lowLen; j++) { dec -= GraphBuffer[maxPos+j]; } - for(; j < arraylen(LowTone) + arraylen(HighTone); j++) { + for(; j < lowLen + highLen; j++) { dec += GraphBuffer[maxPos+j]; } maxPos += j; @@ -1572,8 +1535,8 @@ static void CmdTIWrite(char *str) res = sscanf(str, "0x%x 0x%x 0x%x ", &c.ext1, &c.ext2, &c.ext3); if (res == 2) c.ext3=0; if (res<2) - PrintToScrollback("Please specify 2 or three hex strings, eg 0x1234 0x5678"); - else + PrintToScrollback("Please specify the data as two hex strings, optionally the CRC as a third"); + else SendCommand(&c, FALSE); } @@ -1593,52 +1556,57 @@ h = 2*pi*ones(1, floor(f_s*T_h))*(f_h/f_s); l = sign(sin(cumsum(l))); h = sign(sin(cumsum(h))); */ + +// 2M*16/134.2k = 238 static const int LowTone[] = { - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1 }; +// 2M*16/123.2k = 260 static const int HighTone[] = { - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, - 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, + 1, 1, 1, 1, 1, 1, 1, 1 }; - - int convLen = max(arraylen(HighTone), arraylen(LowTone)); + int lowLen = sizeof(LowTone)/sizeof(int); + int highLen = sizeof(HighTone)/sizeof(int); + int convLen = (highLen>lowLen)?highLen:lowLen; WORD crc; - int i, TagType; + int i, j, TagType; + int lowSum = 0, highSum = 0;; + int lowTot = 0, highTot = 0; + for(i = 0; i < GraphTraceLen - convLen; i++) { - int j; - int lowSum = 0, highSum = 0;; - int lowLen = arraylen(LowTone); - int highLen = arraylen(HighTone); + lowSum = 0; + highSum = 0;; for(j = 0; j < lowLen; j++) { lowSum += LowTone[j]*GraphBuffer[i+j]; @@ -1648,12 +1616,15 @@ h = sign(sin(cumsum(h))); } lowSum = abs((100*lowSum) / lowLen); highSum = abs((100*highSum) / highLen); + lowSum = (lowSum<0)?-lowSum:lowSum; + highSum = (highSum<0)?-highSum:highSum; + GraphBuffer[i] = (highSum << 16) | lowSum; } for(i = 0; i < GraphTraceLen - convLen - 16; i++) { - int j; - int lowTot = 0, highTot = 0; + lowTot = 0; + highTot = 0; // 16 and 15 are f_s divided by f_l and f_h, rounded for(j = 0; j < 16; j++) { lowTot += (GraphBuffer[i+j] & 0xffff); @@ -1686,11 +1657,11 @@ h = sign(sin(cumsum(h))); int j; int dec = 0; // searching 17 consecutive lows - for(j = 0; j < 17*arraylen(LowTone); j++) { + for(j = 0; j < 17*lowLen; j++) { dec -= GraphBuffer[i+j]; } // searching 7 consecutive highs - for(; j < 17*arraylen(LowTone) + 6*arraylen(HighTone); j++) { + for(; j < 17*lowLen + 6*highLen; j++) { dec += GraphBuffer[i+j]; } if(dec > max) { @@ -1705,8 +1676,8 @@ h = sign(sin(cumsum(h))); GraphBuffer[maxPos+1] = -800; // advance pointer to start of actual data stream (after 16 pre and 8 start bits) - maxPos += 17*arraylen(LowTone); - maxPos += 6*arraylen(HighTone); + maxPos += 17*lowLen; + maxPos += 6*highLen; // place a marker in the buffer to visually aid location // of the end of sync @@ -1715,7 +1686,7 @@ h = sign(sin(cumsum(h))); PrintToScrollback("actual data bits start at sample %d", maxPos); - PrintToScrollback("length %d/%d", arraylen(HighTone), arraylen(LowTone)); + PrintToScrollback("length %d/%d", highLen, lowLen); BYTE bits[1+64+16+8+16]; bits[sizeof(bits)-1] = '\0'; @@ -1726,21 +1697,21 @@ h = sign(sin(cumsum(h))); int high = 0; int low = 0; int j; - for(j = 0; j < arraylen(LowTone); j++) { + for(j = 0; j < lowLen; j++) { low -= GraphBuffer[maxPos+j]; } - for(j = 0; j < arraylen(HighTone); j++) { + for(j = 0; j < highLen; j++) { high += GraphBuffer[maxPos+j]; } if(high > low) { bits[i] = '1'; - maxPos += arraylen(HighTone); + maxPos += highLen; // bitstream arrives lsb first so shift right shift3 |= (1<<31); } else { bits[i] = '.'; - maxPos += arraylen(LowTone); + maxPos += lowLen; } // 128 bit right shift register @@ -2868,9 +2839,7 @@ static struct { {"scale", CmdScale, 1, " -- Set cursor display scale"}, {"setlfdivisor", CmdSetDivisor, 0, "<19 - 255> -- Drive LF antenna at 12Mhz/(divisor+1)"}, {"sri512read", CmdSri512read, 0, " -- Read contents of a SRI512 tag"}, - {"tibits", CmdTIBits, 0, "Get raw bits for TI-type LF tag"}, {"tidemod", CmdTIDemod, 1, "Demodulate raw bits for TI-type LF tag"}, - {"tireadraw", CmdTIReadRaw, 0, "Read a TI-type 134 kHz tag in raw mode"}, {"tiread", CmdTIRead, 0, "Read and decode a TI 134 kHz tag"}, {"tiwrite", CmdTIWrite, 0, "Write new data to a r/w TI 134 kHz tag"}, {"threshold", CmdThreshold, 1, "Maximize/minimize every value in the graph window depending on threshold"},