mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-09-21 07:16:24 +08:00
lf psk/nrz split, add maxErr argument
changed psk to use wave lengths instead of peaks split out NRZ from psk demod added maxErr argument to raw demods (except fsk)
This commit is contained in:
marshmellow42
parent
15491b2d73
commit
e770c64824
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@ -724,7 +724,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
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uint8_t *dest = BigBuf_get_addr();
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size_t size=0, idx=0;
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int clk=0, invert=0, errCnt=0;
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int clk=0, invert=0, errCnt=0, maxErr=20;
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uint64_t lo=0;
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// Configure to go in 125Khz listen mode
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LFSetupFPGAForADC(95, true);
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@ -738,7 +738,7 @@ void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
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size = BigBuf_max_traceLen();
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//Dbprintf("DEBUG: Buffer got");
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//askdemod and manchester decode
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errCnt = askmandemod(dest, &size, &clk, &invert);
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errCnt = askmandemod(dest, &size, &clk, &invert, maxErr);
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//Dbprintf("DEBUG: ASK Got");
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WDT_HIT();
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411
client/cmddata.c
411
client/cmddata.c
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@ -267,24 +267,109 @@ int CmdEm410xDecode(const char *Cmd)
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//by marshmellow
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//takes 2 arguments - clock and invert both as integers
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//takes 3 arguments - clock, invert and maxErr as integers
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//attempts to demodulate ask while decoding manchester
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//prints binary found and saves in graphbuffer for further commands
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int CmdAskEM410xDemod(const char *Cmd)
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{
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int invert=0;
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int clk=0;
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int maxErr=100;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]");
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PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
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PrintAndLog(" <invert>, 1 for invert output");
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PrintAndLog(" [set maximum allowed errors], default = 100.");
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PrintAndLog("");
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PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer");
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PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
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PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
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PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data");
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PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors");
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return 0;
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}
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
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if (invert != 0 && invert != 1) {
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PrintAndLog("Invalid argument: %s", Cmd);
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return 0;
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}
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size_t BitLen = getFromGraphBuf(BitStream);
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if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
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if (BitLen==0) return 0;
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int errCnt=0;
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errCnt = askmandemod(BitStream, &BitLen, &clk, &invert, maxErr);
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if (errCnt<0||BitLen<16){ //if fatal error (or -1)
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if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
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return 0;
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}
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PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
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//output
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if (errCnt>0){
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PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
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}
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//PrintAndLog("ASK/Manchester decoded bitstream:");
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// Now output the bitstream to the scrollback by line of 16 bits
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setDemodBuf(BitStream,BitLen,0);
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//printDemodBuff();
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uint64_t lo =0;
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size_t idx=0;
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lo = Em410xDecode(BitStream, &BitLen, &idx);
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if (lo>0){
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//set GraphBuffer for clone or sim command
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setDemodBuf(BitStream, BitLen, idx);
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if (g_debugMode){
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PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen);
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printDemodBuff();
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}
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PrintAndLog("EM410x pattern found: ");
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printEM410x(lo);
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return 1;
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}
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return 0;
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}
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//by marshmellow
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//takes 3 arguments - clock, invert, maxErr as integers
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//attempts to demodulate ask while decoding manchester
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//prints binary found and saves in graphbuffer for further commands
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int Cmdaskmandemod(const char *Cmd)
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{
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int invert=0;
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int clk=0;
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int maxErr=100;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data askmandemod [clock] <0|1> [maxError]");
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PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
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PrintAndLog(" <invert>, 1 for invert output");
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PrintAndLog(" [set maximum allowed errors], default = 100.");
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PrintAndLog("");
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PrintAndLog(" sample: data askmandemod = demod an ask/manchester tag from GraphBuffer");
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PrintAndLog(" : data askmandemod 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
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PrintAndLog(" : data askmandemod 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
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PrintAndLog(" : data askmandemod 1 = demod an ask/manchester tag from GraphBuffer while inverting data");
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PrintAndLog(" : data askmandemod 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
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return 0;
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}
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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sscanf(Cmd, "%i %i", &clk, &invert);
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sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
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if (invert != 0 && invert != 1) {
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PrintAndLog("Invalid argument: %s", Cmd);
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return 0;
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}
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size_t BitLen = getFromGraphBuf(BitStream);
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if (g_debugMode==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
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if (BitLen==0) return 0;
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int errCnt=0;
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errCnt = askmandemod(BitStream, &BitLen,&clk,&invert);
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errCnt = askmandemod(BitStream, &BitLen, &clk, &invert, maxErr);
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if (errCnt<0||BitLen<16){ //if fatal error (or -1)
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if (g_debugMode==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
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return 0;
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@ -313,7 +398,7 @@ int Cmdaskmandemod(const char *Cmd)
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printEM410x(lo);
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return 1;
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}
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return 0;
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return 1;
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}
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//by marshmellow
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@ -324,6 +409,16 @@ int Cmdmandecoderaw(const char *Cmd)
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int i =0;
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int errCnt=0;
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size_t size=0;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data manrawdecode");
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PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively");
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PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
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PrintAndLog("");
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PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer");
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return 0;
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}
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if (DemodBufferLen==0) return 0;
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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int high=0,low=0;
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for (;i<DemodBufferLen;++i){
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@ -375,7 +470,21 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
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int offset=0;
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int invert=0;
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int high=0, low=0;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data biphaserawdecode [offset] <invert>");
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PrintAndLog(" Converts 10 or 01 to 0 and 11 or 00 to 1");
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PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
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PrintAndLog("");
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PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
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PrintAndLog(" [invert <0|1>], set to 1 to invert output");
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PrintAndLog("");
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PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer");
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PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
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return 0;
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}
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sscanf(Cmd, "%i %i", &offset, &invert);
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if (DemodBufferLen==0) return 0;
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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//get graphbuffer & high and low
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for (;i<DemodBufferLen;++i){
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@ -400,35 +509,51 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
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}
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//by marshmellow
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//takes 2 arguments - clock and invert both as integers
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//takes 3 arguments - clock, invert, maxErr as integers
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//attempts to demodulate ask only
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//prints binary found and saves in graphbuffer for further commands
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int Cmdaskrawdemod(const char *Cmd)
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{
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int invert=0;
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int clk=0;
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int maxErr=100;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data askrawdemod [clock] <0|1> [maxError]");
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PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
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PrintAndLog(" <invert>, 1 for invert output");
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PrintAndLog(" [set maximum allowed errors], default = 100.");
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PrintAndLog("");
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PrintAndLog(" sample: data askrawdemod = demod an ask tag from GraphBuffer");
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PrintAndLog(" : data askrawdemod 32 = demod an ask tag from GraphBuffer using a clock of RF/32");
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PrintAndLog(" : data askrawdemod 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
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PrintAndLog(" : data askrawdemod 1 = demod an ask tag from GraphBuffer while inverting data");
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PrintAndLog(" : data askrawdemod 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
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return 0;
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}
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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sscanf(Cmd, "%i %i", &clk, &invert);
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sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
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if (invert != 0 && invert != 1) {
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PrintAndLog("Invalid argument: %s", Cmd);
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return 0;
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}
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size_t BitLen = getFromGraphBuf(BitStream);
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if (BitLen==0) return 0;
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int errCnt=0;
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errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
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errCnt = askrawdemod(BitStream, &BitLen, &clk, &invert, maxErr);
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if (errCnt==-1||BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
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PrintAndLog("no data found");
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if (g_debugMode==1) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt, BitLen, clk, invert);
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return 0;
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}
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PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
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PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, BitLen);
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//move BitStream back to DemodBuffer
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setDemodBuf(BitStream,BitLen,0);
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//output
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if (errCnt>0){
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PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
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PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d", errCnt);
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}
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PrintAndLog("ASK demoded bitstream:");
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// Now output the bitstream to the scrollback by line of 16 bits
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@ -595,10 +720,8 @@ int CmdGraphShiftZero(const char *Cmd)
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// uses data from graphbuffer
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int CmdDetectClockRate(const char *Cmd)
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{
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GetClock("",0,0);
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//int clock = DetectASKClock(0);
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//PrintAndLog("Auto-detected clock rate: %d", clock);
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return 0;
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int ans = GetClock("",0,0);
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return ans;
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}
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//by marshmellow
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@ -613,6 +736,22 @@ int CmdFSKrawdemod(const char *Cmd)
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int invert=0;
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int fchigh=0;
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int fclow=0;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 4 || cmdp == 'h' || cmdp == 'H') {
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PrintAndLog("Usage: data fskrawdemod [clock] <0|1> [rchigh] [rclow]");
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PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
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PrintAndLog(" <invert>, 1 for invert output");
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PrintAndLog(" [set maximum allowed errors], default = 100.");
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PrintAndLog("");
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PrintAndLog(" sample: data fskrawdemod = demod an fsk tag from GraphBuffer using autodetect");
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PrintAndLog(" : data fskrawdemod 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
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PrintAndLog(" : data fskrawdemod 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
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PrintAndLog(" : data fskrawdemod 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer");
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PrintAndLog(" : data fskrawdemod 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
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PrintAndLog(" : data fskrawdemod 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
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return 0;
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}
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//set options from parameters entered with the command
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sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
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@ -625,10 +764,12 @@ int CmdFSKrawdemod(const char *Cmd)
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t BitLen = getFromGraphBuf(BitStream);
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if (BitLen==0) return 0;
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//get field clock lengths
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uint16_t fcs=0;
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uint8_t dummy=0;
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if (fchigh==0 || fclow == 0){
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fcs=countFC(BitStream, BitLen);
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fcs=countFC(BitStream, BitLen, &dummy);
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if (fcs==0){
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fchigh=10;
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fclow=8;
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@ -651,6 +792,7 @@ int CmdFSKrawdemod(const char *Cmd)
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// Now output the bitstream to the scrollback by line of 16 bits
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if(size > (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits most tags will have full bit stream inside that sample size
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printBitStream(BitStream,size);
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return 1;
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} else{
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PrintAndLog("no FSK data found");
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}
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@ -667,8 +809,9 @@ int CmdFSKdemodHID(const char *Cmd)
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t BitLen = getFromGraphBuf(BitStream);
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if (BitLen==0) return 0;
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//get binary from fsk wave
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int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
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int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
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if (idx<0){
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if (g_debugMode){
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if (idx==-1){
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@ -752,6 +895,7 @@ int CmdFSKdemodParadox(const char *Cmd)
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t BitLen = getFromGraphBuf(BitStream);
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if (BitLen==0) return 0;
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//get binary from fsk wave
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int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo);
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if (idx<0){
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@ -803,6 +947,7 @@ int CmdFSKdemodIO(const char *Cmd)
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}
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t BitLen = getFromGraphBuf(BitStream);
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if (BitLen==0) return 0;
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//get binary from fsk wave
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idx = IOdemodFSK(BitStream,BitLen);
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@ -879,6 +1024,7 @@ int CmdFSKdemodAWID(const char *Cmd)
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//raw fsk demod no manchester decoding no start bit finding just get binary from wave
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t size = getFromGraphBuf(BitStream);
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if (size==0) return 0;
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//get binary from fsk wave
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int idx = AWIDdemodFSK(BitStream, &size);
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@ -978,6 +1124,7 @@ int CmdFSKdemodPyramid(const char *Cmd)
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//raw fsk demod no manchester decoding no start bit finding just get binary from wave
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t size = getFromGraphBuf(BitStream);
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if (size==0) return 0;
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//get binary from fsk wave
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int idx = PyramiddemodFSK(BitStream, &size);
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@ -1217,8 +1364,9 @@ int CmdFSKfcDetect(const char *Cmd)
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{
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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size_t size = getFromGraphBuf(BitStream);
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uint16_t ans = countFC(BitStream, size);
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if (size==0) return 0;
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uint8_t dummy = 0;
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uint16_t ans = countFC(BitStream, size, &dummy);
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if (ans==0) {
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if (g_debugMode) PrintAndLog("DEBUG: No data found");
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return 0;
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@ -1232,44 +1380,71 @@ int CmdFSKfcDetect(const char *Cmd)
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if (g_debugMode) PrintAndLog("DEBUG: Clock detect error");
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return 0;
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}
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PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
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return 1;
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if ((fc1==10 && fc2==8) || (fc1==8 && fc2==5)){
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if (g_debugMode){
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PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
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return 1;
|
||||
}
|
||||
}
|
||||
if (g_debugMode){
|
||||
PrintAndLog("DEBUG: unknown fsk field clock detected");
|
||||
PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
//by marshmellow
|
||||
//attempt to detect the bit clock for PSK or NRZ modulations
|
||||
int CmdDetectNRZpskClockRate(const char *Cmd)
|
||||
//attempt to detect the bit clock for PSK modulations
|
||||
int CmdDetectPSKClockRate(const char *Cmd)
|
||||
{
|
||||
GetNRZpskClock("",0,0);
|
||||
GetPskClock("",0,0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
//by marshmellow
|
||||
//attempt to psk1 or nrz demod graph buffer
|
||||
//NOTE CURRENTLY RELIES ON PEAKS :(
|
||||
int PSKnrzDemod(const char *Cmd, uint8_t verbose)
|
||||
//attempt to detect the bit clock for NRZ modulations
|
||||
int CmdDetectNRZClockRate(const char *Cmd)
|
||||
{
|
||||
int invert=0;
|
||||
int clk=0;
|
||||
sscanf(Cmd, "%i %i", &clk, &invert);
|
||||
if (invert != 0 && invert != 1) {
|
||||
PrintAndLog("Invalid argument: %s", Cmd);
|
||||
return -1;
|
||||
}
|
||||
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
|
||||
size_t BitLen = getFromGraphBuf(BitStream);
|
||||
int errCnt=0;
|
||||
errCnt = pskNRZrawDemod(BitStream, &BitLen,&clk,&invert);
|
||||
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
|
||||
if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
|
||||
return -1;
|
||||
}
|
||||
if (verbose) PrintAndLog("Tried PSK/NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
|
||||
|
||||
//prime demod buffer for output
|
||||
setDemodBuf(BitStream,BitLen,0);
|
||||
return errCnt;
|
||||
GetNrzClock("",0,0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
//by marshmellow
|
||||
//attempt to psk1 demod graph buffer
|
||||
int PSKDemod(const char *Cmd, uint8_t verbose)
|
||||
{
|
||||
int invert=0;
|
||||
int clk=0;
|
||||
int maxErr=100;
|
||||
sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
|
||||
if (clk==1){
|
||||
invert=1;
|
||||
clk=0;
|
||||
}
|
||||
if (invert != 0 && invert != 1) {
|
||||
PrintAndLog("Invalid argument: %s", Cmd);
|
||||
return -1;
|
||||
}
|
||||
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
|
||||
size_t BitLen = getFromGraphBuf(BitStream);
|
||||
if (BitLen==0) return 0;
|
||||
int errCnt=0;
|
||||
errCnt = pskRawDemod(BitStream, &BitLen,&clk,&invert);
|
||||
if (errCnt > maxErr){
|
||||
if (g_debugMode==1) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
|
||||
return -1;
|
||||
}
|
||||
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
|
||||
if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
|
||||
return -1;
|
||||
}
|
||||
if (verbose) PrintAndLog("Tried PSK Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
|
||||
//prime demod buffer for output
|
||||
setDemodBuf(BitStream,BitLen,0);
|
||||
return errCnt;
|
||||
}
|
||||
|
||||
|
||||
// Indala 26 bit decode
|
||||
// by marshmellow
|
||||
// optional arguments - same as CmdpskNRZrawDemod (clock & invert)
|
||||
|
|
@ -1277,9 +1452,9 @@ int CmdIndalaDecode(const char *Cmd)
|
|||
{
|
||||
int ans;
|
||||
if (strlen(Cmd)>0){
|
||||
ans = PSKnrzDemod(Cmd, 0);
|
||||
ans = PSKDemod(Cmd, 0);
|
||||
} else{ //default to RF/32
|
||||
ans = PSKnrzDemod("32", 0);
|
||||
ans = PSKDemod("32", 0);
|
||||
}
|
||||
|
||||
if (ans < 0){
|
||||
|
|
@ -1351,6 +1526,7 @@ int CmdIndalaDecode(const char *Cmd)
|
|||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
//by marshmellow
|
||||
//attempt to clean psk wave noise after a peak
|
||||
//NOTE RELIES ON PEAKS :(
|
||||
|
|
@ -1362,35 +1538,104 @@ int CmdPskClean(const char *Cmd)
|
|||
setGraphBuf(bitStream, bitLen);
|
||||
return 0;
|
||||
}
|
||||
*/
|
||||
|
||||
// by marshmellow
|
||||
// takes 2 arguments - clock and invert both as integers
|
||||
// attempts to demodulate psk only
|
||||
// takes 3 arguments - clock, invert, maxErr as integers
|
||||
// attempts to demodulate nrz only
|
||||
// prints binary found and saves in demodbuffer for further commands
|
||||
int CmdpskNRZrawDemod(const char *Cmd)
|
||||
int CmdNRZrawDemod(const char *Cmd)
|
||||
{
|
||||
int errCnt;
|
||||
int invert=0;
|
||||
int clk=0;
|
||||
int maxErr=100;
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
|
||||
PrintAndLog("Usage: data nrzrawdemod [clock] <0|1> [maxError]");
|
||||
PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
|
||||
PrintAndLog(" <invert>, 1 for invert output");
|
||||
PrintAndLog(" [set maximum allowed errors], default = 100.");
|
||||
PrintAndLog("");
|
||||
PrintAndLog(" sample: data nrzrawdemod = demod a nrz/direct tag from GraphBuffer");
|
||||
PrintAndLog(" : data nrzrawdemod 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
|
||||
PrintAndLog(" : data nrzrawdemod 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
|
||||
PrintAndLog(" : data nrzrawdemod 1 = demod a nrz/direct tag from GraphBuffer while inverting data");
|
||||
PrintAndLog(" : data nrzrawdemod 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;
|
||||
}
|
||||
|
||||
errCnt = PSKnrzDemod(Cmd, 1);
|
||||
//output
|
||||
if (errCnt<0){
|
||||
if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);
|
||||
sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr);
|
||||
if (clk==1){
|
||||
invert=1;
|
||||
clk=0;
|
||||
}
|
||||
if (invert != 0 && invert != 1) {
|
||||
PrintAndLog("Invalid argument: %s", Cmd);
|
||||
return 0;
|
||||
}
|
||||
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
|
||||
size_t BitLen = getFromGraphBuf(BitStream);
|
||||
if (BitLen==0) return 0;
|
||||
int errCnt=0;
|
||||
errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
|
||||
if (errCnt > maxErr){
|
||||
if (g_debugMode==1) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
|
||||
return 0;
|
||||
}
|
||||
if (errCnt>0){
|
||||
if (g_debugMode){
|
||||
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
|
||||
PrintAndLog("PSK or NRZ demoded bitstream:");
|
||||
// Now output the bitstream to the scrollback by line of 16 bits
|
||||
printDemodBuff();
|
||||
}
|
||||
}else{
|
||||
PrintAndLog("PSK or NRZ demoded bitstream:");
|
||||
// Now output the bitstream to the scrollback by line of 16 bits
|
||||
printDemodBuff();
|
||||
return 1;
|
||||
if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
|
||||
if (g_debugMode==1) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
|
||||
//prime demod buffer for output
|
||||
setDemodBuf(BitStream,BitLen,0);
|
||||
|
||||
if (errCnt>0){
|
||||
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
|
||||
}else{
|
||||
}
|
||||
PrintAndLog("NRZ demoded bitstream:");
|
||||
// Now output the bitstream to the scrollback by line of 16 bits
|
||||
printDemodBuff();
|
||||
return 1;
|
||||
}
|
||||
|
||||
// by marshmellow
|
||||
// takes 3 arguments - clock, invert, maxErr as integers
|
||||
// attempts to demodulate psk only
|
||||
// prints binary found and saves in demodbuffer for further commands
|
||||
int CmdPSK1rawDemod(const char *Cmd)
|
||||
{
|
||||
int errCnt;
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
|
||||
PrintAndLog("Usage: data psk1rawdemod [clock] <0|1> [maxError]");
|
||||
PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
|
||||
PrintAndLog(" <invert>, 1 for invert output");
|
||||
PrintAndLog(" [set maximum allowed errors], default = 100.");
|
||||
PrintAndLog("");
|
||||
PrintAndLog(" sample: data psk1rawdemod = demod a psk1 tag from GraphBuffer");
|
||||
PrintAndLog(" : data psk1rawdemod 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32");
|
||||
PrintAndLog(" : data psk1rawdemod 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
|
||||
PrintAndLog(" : data psk1rawdemod 1 = demod a psk1 tag from GraphBuffer while inverting data");
|
||||
PrintAndLog(" : data psk1rawdemod 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
|
||||
return 0;
|
||||
}
|
||||
errCnt = PSKDemod(Cmd, 1);
|
||||
//output
|
||||
if (errCnt<0){
|
||||
if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);
|
||||
return 0;
|
||||
}
|
||||
if (errCnt>0){
|
||||
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
|
||||
}else{
|
||||
}
|
||||
PrintAndLog("PSK demoded bitstream:");
|
||||
// Now output the bitstream to the scrollback by line of 16 bits
|
||||
printDemodBuff();
|
||||
return 1;
|
||||
}
|
||||
|
||||
// by marshmellow
|
||||
|
|
@ -1398,7 +1643,21 @@ int CmdpskNRZrawDemod(const char *Cmd)
|
|||
int CmdPSK2rawDemod(const char *Cmd)
|
||||
{
|
||||
int errCnt=0;
|
||||
errCnt=PSKnrzDemod(Cmd, 1);
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
|
||||
PrintAndLog("Usage: data psk2rawdemod [clock] <0|1> [maxError]");
|
||||
PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
|
||||
PrintAndLog(" <invert>, 1 for invert output");
|
||||
PrintAndLog(" [set maximum allowed errors], default = 100.");
|
||||
PrintAndLog("");
|
||||
PrintAndLog(" sample: data psk2rawdemod = demod a psk2 tag from GraphBuffer, autodetect clock");
|
||||
PrintAndLog(" : data psk2rawdemod 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32");
|
||||
PrintAndLog(" : data psk2rawdemod 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
|
||||
PrintAndLog(" : data psk2rawdemod 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
|
||||
PrintAndLog(" : data psk2rawdemod 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
|
||||
return 0;
|
||||
}
|
||||
errCnt=PSKDemod(Cmd, 1);
|
||||
if (errCnt<0){
|
||||
if (g_debugMode) PrintAndLog("Error demoding: %d",errCnt);
|
||||
return 0;
|
||||
|
|
@ -2002,7 +2261,8 @@ static command_t CommandTable[] =
|
|||
{"help", CmdHelp, 1, "This help"},
|
||||
{"amp", CmdAmp, 1, "Amplify peaks"},
|
||||
{"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
|
||||
{"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
|
||||
{"askem410xdemod",CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
|
||||
{"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
|
||||
{"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"},
|
||||
{"autocorr", CmdAutoCorr, 1, "<window length> -- Autocorrelation over window"},
|
||||
{"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] [invert<0|1>] Biphase decode bin stream in demod buffer (offset = 0|1 bits to shift the decode start)"},
|
||||
|
|
@ -2030,12 +2290,13 @@ static command_t CommandTable[] =
|
|||
{"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream already in graph buffer"},
|
||||
{"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"},
|
||||
{"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
|
||||
{"nrzdetectclock",CmdDetectNRZClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
|
||||
{"nrzrawdemod", CmdNRZrawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate nrz tags and output binary (args optional)"},
|
||||
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
|
||||
{"pskclean", CmdPskClean, 1, "Attempt to clean psk wave"},
|
||||
{"pskdetectclock",CmdDetectNRZpskClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
|
||||
{"pskdetectclock",CmdDetectPSKClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
|
||||
{"pskindalademod",CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk1 indala tags and output ID binary & hex (args optional)"},
|
||||
{"psk1nrzrawdemod",CmdpskNRZrawDemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk1 or nrz tags and output binary (args optional)"},
|
||||
{"psk2rawdemod", CmdPSK2rawDemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
|
||||
{"psk1rawdemod", CmdPSK1rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk1 tags and output binary (args optional)"},
|
||||
{"psk2rawdemod", CmdPSK2rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
|
||||
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window"},
|
||||
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
|
||||
{"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ int CmdData(const char *Cmd);
|
|||
void printDemodBuff();
|
||||
int CmdAmp(const char *Cmd);
|
||||
int Cmdaskdemod(const char *Cmd);
|
||||
int CmdAskEM410xDemod(const char *Cmd);
|
||||
int Cmdaskrawdemod(const char *Cmd);
|
||||
int Cmdaskmandemod(const char *Cmd);
|
||||
int CmdAutoCorr(const char *Cmd);
|
||||
|
|
@ -26,15 +27,19 @@ int CmdBitstream(const char *Cmd);
|
|||
int CmdBuffClear(const char *Cmd);
|
||||
int CmdDec(const char *Cmd);
|
||||
int CmdDetectClockRate(const char *Cmd);
|
||||
int CmdDetectNRZClockRate(const char *Cmd);
|
||||
int CmdDetectPSKClockRate(const char *Cmd);
|
||||
int CmdFSKdemodAWID(const char *Cmd);
|
||||
int CmdFSKdemod(const char *Cmd);
|
||||
int CmdFSKdemodHID(const char *Cmd);
|
||||
int CmdFSKdemodIO(const char *Cmd);
|
||||
int CmdFSKdemodParadox(const char *Cmd);
|
||||
int CmdFSKdemodPyramid(const char *Cmd);
|
||||
int CmdFSKfcDetect(const char *Cmd);
|
||||
int CmdFSKrawdemod(const char *Cmd);
|
||||
int CmdDetectNRZpskClockRate(const char *Cmd);
|
||||
int CmdpskNRZrawDemod(const char *Cmd);
|
||||
int CmdDetectPskClockRate(const char *Cmd);
|
||||
int CmdPSK1rawDemod(const char *Cmd);
|
||||
int CmdPSK2rawDemod(const char *Cmd);
|
||||
int CmdGrid(const char *Cmd);
|
||||
int CmdHexsamples(const char *Cmd);
|
||||
int CmdHide(const char *Cmd);
|
||||
|
|
@ -46,6 +51,7 @@ int Cmdmandecoderaw(const char *Cmd);
|
|||
int CmdManchesterDemod(const char *Cmd);
|
||||
int CmdManchesterMod(const char *Cmd);
|
||||
int CmdNorm(const char *Cmd);
|
||||
int CmdNRZrawDemod(const char *Cmd);
|
||||
int CmdPlot(const char *Cmd);
|
||||
int CmdSamples(const char *Cmd);
|
||||
int CmdTuneSamples(const char *Cmd);
|
||||
|
|
|
|||
|
|
@ -559,13 +559,17 @@ int CmdLFfind(const char *Cmd)
|
|||
{
|
||||
int ans=0;
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
|
||||
if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
|
||||
PrintAndLog("Usage: lf search <0|1>");
|
||||
PrintAndLog(" <use data from Graphbuffer>, if not set, try reading data from tag.");
|
||||
char testRaw = param_getchar(Cmd, 1);
|
||||
if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
|
||||
PrintAndLog("Usage: lf search <0|1> [u]");
|
||||
PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
|
||||
PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
|
||||
PrintAndLog("");
|
||||
PrintAndLog(" sample: lf search");
|
||||
PrintAndLog(" : lf search 1");
|
||||
PrintAndLog(" sample: lf search = try reading data from tag & search for known tags");
|
||||
PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
|
||||
PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
|
||||
PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -576,8 +580,9 @@ int CmdLFfind(const char *Cmd)
|
|||
PrintAndLog("Data in Graphbuffer was too small.");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
|
||||
PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
|
||||
PrintAndLog("False Positives ARE possible\n");
|
||||
PrintAndLog("\nChecking for known tags:\n");
|
||||
ans=CmdFSKdemodIO("");
|
||||
if (ans>0) {
|
||||
|
|
@ -610,12 +615,37 @@ int CmdLFfind(const char *Cmd)
|
|||
PrintAndLog("\nValid Indala ID Found!");
|
||||
return 1;
|
||||
}
|
||||
ans=Cmdaskmandemod("");
|
||||
ans=CmdAskEM410xDemod("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("\nValid EM410x ID Found!");
|
||||
return 1;
|
||||
}
|
||||
PrintAndLog("No Known Tags Found!\n");
|
||||
PrintAndLog("\nNo Known Tags Found!\n");
|
||||
if (testRaw=='u' || testRaw=='U'){
|
||||
//test unknown tag formats (raw mode)
|
||||
PrintAndLog("\nChecking for Unknown tags:\n");
|
||||
ans=CmdFSKfcDetect("");
|
||||
if (ans == 1){ //fsk
|
||||
ans=CmdFSKrawdemod("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("\nUnknown FSK Modulated Tag Found!");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
ans=Cmdaskmandemod("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
|
||||
return 1;
|
||||
}
|
||||
ans=CmdPSK1rawDemod("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
|
||||
PrintAndLog("\nCould also be PSK3 - [currently not supported]");
|
||||
PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
|
||||
return 1;
|
||||
}
|
||||
PrintAndLog("\nNo Data Found!\n");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -66,8 +66,7 @@ void setGraphBuf(uint8_t *buff, size_t size)
|
|||
}
|
||||
size_t getFromGraphBuf(uint8_t *buff)
|
||||
{
|
||||
if ( buff == NULL ) return 0;
|
||||
|
||||
if (buff == NULL ) return 0;
|
||||
uint32_t i;
|
||||
for (i=0;i<GraphTraceLen;++i){
|
||||
if (GraphBuffer[i]>127) GraphBuffer[i]=127; //trim
|
||||
|
|
@ -95,7 +94,7 @@ int GetClock(const char *str, int peak, int verbose)
|
|||
PrintAndLog("Failed to copy from graphbuffer");
|
||||
return -1;
|
||||
}
|
||||
clock = DetectASKClock(grph,size,0);
|
||||
clock = DetectASKClock(grph,size,0,20);
|
||||
// Only print this message if we're not looping something
|
||||
if (!verbose){
|
||||
PrintAndLog("Auto-detected clock rate: %d", clock);
|
||||
|
|
@ -136,7 +135,7 @@ void DetectHighLowInGraph(int *high, int *low, bool addFuzz) {
|
|||
}
|
||||
}
|
||||
|
||||
int GetNRZpskClock(const char *str, int peak, int verbose)
|
||||
int GetPskClock(const char *str, int peak, int verbose)
|
||||
{
|
||||
int clock;
|
||||
sscanf(str, "%i", &clock);
|
||||
|
|
@ -152,7 +151,32 @@ int GetNRZpskClock(const char *str, int peak, int verbose)
|
|||
PrintAndLog("Failed to copy from graphbuffer");
|
||||
return -1;
|
||||
}
|
||||
clock = DetectpskNRZClock(grph,size,0);
|
||||
clock = DetectPSKClock(grph,size,0);
|
||||
// Only print this message if we're not looping something
|
||||
if (!verbose){
|
||||
PrintAndLog("Auto-detected clock rate: %d", clock);
|
||||
}
|
||||
}
|
||||
return clock;
|
||||
}
|
||||
|
||||
int GetNrzClock(const char *str, int peak, int verbose)
|
||||
{
|
||||
int clock;
|
||||
sscanf(str, "%i", &clock);
|
||||
if (!strcmp(str, ""))
|
||||
clock = 0;
|
||||
|
||||
// Auto-detect clock
|
||||
if (!clock)
|
||||
{
|
||||
uint8_t grph[MAX_GRAPH_TRACE_LEN]={0};
|
||||
size_t size = getFromGraphBuf(grph);
|
||||
if ( size == 0 ) {
|
||||
PrintAndLog("Failed to copy from graphbuffer");
|
||||
return -1;
|
||||
}
|
||||
clock = DetectNRZClock(grph,size,0);
|
||||
// Only print this message if we're not looping something
|
||||
if (!verbose){
|
||||
PrintAndLog("Auto-detected clock rate: %d", clock);
|
||||
|
|
|
|||
|
|
@ -17,7 +17,8 @@ int ClearGraph(int redraw);
|
|||
//int DetectClock(int peak);
|
||||
size_t getFromGraphBuf(uint8_t *buff);
|
||||
int GetClock(const char *str, int peak, int verbose);
|
||||
int GetNRZpskClock(const char *str, int peak, int verbose);
|
||||
int GetPskClock(const char *str, int peak, int verbose);
|
||||
int GetNrzClock(const char *str, int peak, int verbose);
|
||||
void setGraphBuf(uint8_t *buff, size_t size);
|
||||
|
||||
bool HasGraphData();
|
||||
|
|
|
|||
Loading…
Reference in a new issue