X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/c4e3b1b6a2170ee0da2224b7446c59e1141173bb..385f398740895f512abc90ea5a00a9be82bf115b:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index f35edaa4..c023d57f 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -65,8 +65,12 @@ int CmdReadBlk(const char *Cmd) int invert = 0; int clk = 0; int block = -1; + int errCnt; + size_t bitlen; + //int decodedBitlen; + uint32_t blockData; uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; - + sscanf(Cmd, "%d", &block); if ((block > 7) | (block < 0)) { @@ -78,21 +82,21 @@ int CmdReadBlk(const char *Cmd) SendCommand(&c); if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) { PrintAndLog("command execution time out"); - return 1; + return 2; } - CmdSamples(""); + CmdSamples("12000"); - size_t bitlen = getFromGraphBuf(bits); + bitlen = getFromGraphBuf(bits); - int errCnt = askrawdemod(bits, &bitlen, &clk, &invert); + errCnt = askrawdemod(bits, &bitlen, &clk, &invert); //throw away static - allow 1 and -1 (in case of threshold command first) if ( errCnt == -1 || bitlen < 16 ){ PrintAndLog("no data found"); if (g_debugMode) PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert); - return 0; + return 3; } if (g_debugMode) PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen); @@ -100,6 +104,23 @@ int CmdReadBlk(const char *Cmd) //move bits back to DemodBuffer setDemodBuf(bits, bitlen, 0); printBitStream(bits,bitlen); + + // bits has the manchester encoded data. + errCnt = manrawdecode(bits, &bitlen); + if ( errCnt == -1 || bitlen < 16 ){ + PrintAndLog("no data found"); + if (g_debugMode) + PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert); + return 4; + } + + blockData = PackBits(0, 32, bits); + + if ( block < 0) + PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bits,32) ); + else + PrintAndLog(" Block %d : 0x%08X %s", block, blockData, sprint_bin(bits,32) ); + return 0; } @@ -391,9 +412,7 @@ int ManchesterDemod(int blockNum){ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; uint8_t * bitstream = bits; - //manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); - //blockData = PackBits(offset, sizebyte, bitstream); blockData = PackBits(offset, sizebyte, bits); if ( blockNum < 0) @@ -524,7 +543,7 @@ static command_t CommandTable[] = {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"}, {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"}, {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"}, - {"fsk", CmdIceFsk, 0, "FSK demod"}, + //{"fsk", CmdIceFsk, 0, "FSK demod"}, {"man", CmdIceManchester, 0, "Manchester demod (with SST)"}, {NULL, NULL, 0, NULL} };