1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
7 //-----------------------------------------------------------------------------
8 // Data and Graph commands
9 //-----------------------------------------------------------------------------
15 #include "proxmark3.h"
19 #include "cmdparser.h"
27 #include "loclass/cipherutils.h"
29 uint8_t DemodBuffer
[MAX_DEMOD_BUF_LEN
];
30 uint8_t g_debugMode
=0;
31 size_t DemodBufferLen
=0;
32 static int CmdHelp(const char *Cmd
);
34 //set the demod buffer with given array of binary (one bit per byte)
36 void setDemodBuf(uint8_t *buff
, size_t size
, size_t startIdx
)
41 if ( size
>= MAX_DEMOD_BUF_LEN
)
42 size
= MAX_DEMOD_BUF_LEN
;
45 for (; i
< size
; i
++){
46 DemodBuffer
[i
]=buff
[startIdx
++];
52 int CmdSetDebugMode(const char *Cmd
)
55 sscanf(Cmd
, "%i", &demod
);
56 g_debugMode
=(uint8_t)demod
;
60 int usage_data_printdemodbuf(){
61 PrintAndLog("Usage: data printdemodbuffer x o <offset>");
62 PrintAndLog("Options:");
63 PrintAndLog(" h This help");
64 PrintAndLog(" x output in hex (omit for binary output)");
65 PrintAndLog(" o <offset> enter offset in # of bits");
70 void printDemodBuff(void)
72 int bitLen
= DemodBufferLen
;
74 PrintAndLog("no bits found in demod buffer");
77 if (bitLen
>512) bitLen
=512; //max output to 512 bits if we have more - should be plenty
79 char *bin
= sprint_bin_break(DemodBuffer
,bitLen
,16);
80 PrintAndLog("%s",bin
);
85 int CmdPrintDemodBuff(const char *Cmd
)
92 while(param_getchar(Cmd
, cmdp
) != 0x00)
94 switch(param_getchar(Cmd
, cmdp
))
98 return usage_data_printdemodbuf();
106 offset
= param_get8(Cmd
, cmdp
+1);
107 if (!offset
) errors
= true;
111 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
118 if(errors
) return usage_data_printdemodbuf();
120 int numBits
= (DemodBufferLen
-offset
) & 0x7FC; //make sure we don't exceed our string
123 char *buf
= (char *) (DemodBuffer
+ offset
);
124 numBits
= binarraytohex(hex
, buf
, numBits
);
125 if (numBits
==0) return 0;
126 PrintAndLog("DemodBuffer: %s",hex
);
128 //setDemodBuf(DemodBuffer, DemodBufferLen-offset, offset);
129 char *bin
= sprint_bin_break(DemodBuffer
+offset
,numBits
,16);
130 PrintAndLog("DemodBuffer:\n%s",bin
);
136 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
137 int CmdGetBitStream(const char *Cmd
)
141 for (i
= 0; i
< GraphTraceLen
; i
++) {
142 if (GraphBuffer
[i
] >= 1) {
148 RepaintGraphWindow();
153 //print 64 bit EM410x ID in multiple formats
154 void printEM410x(uint32_t hi
, uint64_t id
)
161 for (ii
=5; ii
>0;ii
--){
163 id2lo
=(id2lo
<<1LL) | ((id
& (iii
<< (i
+((ii
-1)*8)))) >> (i
+((ii
-1)*8)));
167 //output 88 bit em id
168 PrintAndLog("\nEM TAG ID : %06X%016llX", hi
, id
);
170 //output 40 bit em id
171 PrintAndLog("\nEM TAG ID : %010llX", id
);
172 PrintAndLog("Unique TAG ID : %010llX", id2lo
);
173 PrintAndLog("\nPossible de-scramble patterns");
174 PrintAndLog("HoneyWell IdentKey {");
175 PrintAndLog("DEZ 8 : %08lld",id
& 0xFFFFFF);
176 PrintAndLog("DEZ 10 : %010lld",id
& 0xFFFFFFFF);
177 PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id
>>16LL) & 0xFFFF,(id
& 0xFFFF));
178 PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id
>>32ll),(id
& 0xFFFF));
179 PrintAndLog("DEZ 3.5B : %03lld.%05lld",(id
& 0xFF000000) >> 24,(id
& 0xFFFF));
180 PrintAndLog("DEZ 3.5C : %03lld.%05lld",(id
& 0xFF0000) >> 16,(id
& 0xFFFF));
181 PrintAndLog("DEZ 14/IK2 : %014lld",id
);
182 PrintAndLog("DEZ 15/IK3 : %015lld",id2lo
);
183 PrintAndLog("DEZ 20/ZK : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld",
184 (id2lo
& 0xf000000000) >> 36,
185 (id2lo
& 0x0f00000000) >> 32,
186 (id2lo
& 0x00f0000000) >> 28,
187 (id2lo
& 0x000f000000) >> 24,
188 (id2lo
& 0x0000f00000) >> 20,
189 (id2lo
& 0x00000f0000) >> 16,
190 (id2lo
& 0x000000f000) >> 12,
191 (id2lo
& 0x0000000f00) >> 8,
192 (id2lo
& 0x00000000f0) >> 4,
193 (id2lo
& 0x000000000f)
195 uint64_t paxton
= (((id
>>32) << 24) | (id
& 0xffffff)) + 0x143e00;
196 PrintAndLog("}\nOther : %05lld_%03lld_%08lld",(id
&0xFFFF),((id
>>16LL) & 0xFF),(id
& 0xFFFFFF));
197 PrintAndLog("Pattern Paxton : %lld [0x%llX]", paxton
, paxton
);
199 uint32_t p1id
= (id
& 0xFFFFFF);
200 uint8_t arr
[32] = {0x00};
203 for (; i
< 24; ++i
, --j
){
204 arr
[i
] = (p1id
>> i
) & 1;
238 PrintAndLog("Pattern 1 : %d [0x%X]", p1
, p1
);
240 uint16_t sebury1
= id
& 0xFFFF;
241 uint8_t sebury2
= (id
>> 16) & 0x7F;
242 uint32_t sebury3
= id
& 0x7FFFFF;
243 PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1
, sebury2
, sebury3
, sebury1
, sebury2
, sebury3
);
249 int AskEm410xDecode(bool verbose
, uint32_t *hi
, uint64_t *lo
)
252 size_t BitLen
= DemodBufferLen
;
253 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
254 memcpy(BitStream
, DemodBuffer
, BitLen
);
255 if (Em410xDecode(BitStream
, &BitLen
, &idx
, hi
, lo
)){
256 //set GraphBuffer for clone or sim command
257 setDemodBuf(BitStream
, BitLen
, idx
);
259 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
263 PrintAndLog("EM410x pattern found: ");
264 printEM410x(*hi
, *lo
);
271 int AskEm410xDemod(const char *Cmd
, uint32_t *hi
, uint64_t *lo
, bool verbose
)
273 if (!ASKDemod(Cmd
, FALSE
, FALSE
, 1)) return 0;
274 return AskEm410xDecode(verbose
, hi
, lo
);
278 //takes 3 arguments - clock, invert and maxErr as integers
279 //attempts to demodulate ask while decoding manchester
280 //prints binary found and saves in graphbuffer for further commands
281 int CmdAskEM410xDemod(const char *Cmd
)
283 char cmdp
= param_getchar(Cmd
, 0);
284 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
285 PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]");
286 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
287 PrintAndLog(" <invert>, 1 for invert output");
288 PrintAndLog(" [set maximum allowed errors], default = 100.");
290 PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer");
291 PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
292 PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
293 PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data");
294 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");
299 return AskEm410xDemod(Cmd
, &hi
, &lo
, true);
303 //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
304 // (amp may not be needed anymore)
305 //verbose will print results and demoding messages
306 //emSearch will auto search for EM410x format in bitstream
307 //askType switches decode: ask/raw = 0, ask/manchester = 1
308 int ASKDemod(const char *Cmd
, bool verbose
, bool emSearch
, uint8_t askType
)
315 char amp
= param_getchar(Cmd
, 0);
316 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
317 sscanf(Cmd
, "%i %i %i %i %c", &clk
, &invert
, &maxErr
, &maxLen
, &
);
318 if (!maxLen
) maxLen
= 512*64;
319 if (invert
!= 0 && invert
!= 1) {
320 PrintAndLog("Invalid argument: %s", Cmd
);
327 if (amp
== 'a' || amp
== 'A') askAmp
=1;
328 size_t BitLen
= getFromGraphBuf(BitStream
);
329 if (g_debugMode
) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen
);
330 if (BitLen
<255) return 0;
331 if (maxLen
<BitLen
&& maxLen
!= 0) BitLen
= maxLen
;
333 int errCnt
= askdemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
, askAmp
, askType
);
334 if (errCnt
<0 || BitLen
<16){ //if fatal error (or -1)
335 if (g_debugMode
) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt
,invert
,BitLen
,clk
);
339 if (g_debugMode
) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt
, BitLen
, clk
);
342 if (verbose
|| g_debugMode
) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
345 setDemodBuf(BitStream
,BitLen
,0);
346 if (verbose
|| g_debugMode
){
347 if (errCnt
>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
348 if (askType
) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk
);
349 else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk
);
350 // Now output the bitstream to the scrollback by line of 16 bits
357 AskEm410xDecode(true, &hi
, &lo
);
363 //takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
364 //attempts to demodulate ask while decoding manchester
365 //prints binary found and saves in graphbuffer for further commands
366 int Cmdaskmandemod(const char *Cmd
)
368 char cmdp
= param_getchar(Cmd
, 0);
369 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
370 PrintAndLog("Usage: data rawdemod am [clock] <invert> [maxError] [maxLen] [amplify]");
371 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
372 PrintAndLog(" <invert>, 1 to invert output");
373 PrintAndLog(" [set maximum allowed errors], default = 100");
374 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
375 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
377 PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer");
378 PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
379 PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
380 PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data");
381 PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
384 return ASKDemod(Cmd
, TRUE
, TRUE
, 1);
389 //stricktly take 10 and 01 and convert to 0 and 1
390 int Cmdmandecoderaw(const char *Cmd
)
397 char cmdp
= param_getchar(Cmd
, 0);
398 if (strlen(Cmd
) > 5 || cmdp
== 'h' || cmdp
== 'H') {
399 PrintAndLog("Usage: data manrawdecode [invert] [maxErr]");
400 PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively");
401 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
402 PrintAndLog(" [invert] invert output");
403 PrintAndLog(" [maxErr] set number of errors allowed (default = 20)");
405 PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer");
408 if (DemodBufferLen
==0) return 0;
409 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
411 for (;i
<DemodBufferLen
;++i
){
412 if (DemodBuffer
[i
]>high
) high
=DemodBuffer
[i
];
413 else if(DemodBuffer
[i
]<low
) low
=DemodBuffer
[i
];
414 BitStream
[i
]=DemodBuffer
[i
];
416 if (high
>7 || low
<0 ){
417 PrintAndLog("Error: please raw demod the wave first then manchester raw decode");
421 sscanf(Cmd
, "%i %i", &invert
, &maxErr
);
423 errCnt
=manrawdecode(BitStream
, &size
, invert
);
425 PrintAndLog("Too many errors: %d",errCnt
);
428 PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt
);
429 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
434 if (Em410xDecode(BitStream
, &size
, &idx
, &hi
, &id
)){
435 //need to adjust to set bitstream back to manchester encoded data
436 //setDemodBuf(BitStream, size, idx);
446 //take 01 or 10 = 0 and 11 or 00 = 1
447 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
448 // and "invert" default = 0 if 1 it will invert output
449 // the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects]
450 int CmdBiphaseDecodeRaw(const char *Cmd
)
453 int offset
=0, invert
=0, maxErr
=20, errCnt
=0;
454 char cmdp
= param_getchar(Cmd
, 0);
455 if (strlen(Cmd
) > 3 || cmdp
== 'h' || cmdp
== 'H') {
456 PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]");
457 PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0");
458 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
459 PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
461 PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
462 PrintAndLog(" [invert <0|1>], set to 1 to invert output");
463 PrintAndLog(" [maxErr int], set max errors tolerated - default=20");
465 PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer");
466 PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
469 sscanf(Cmd
, "%i %i %i", &offset
, &invert
, &maxErr
);
470 if (DemodBufferLen
==0){
471 PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first");
474 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
475 memcpy(BitStream
, DemodBuffer
, DemodBufferLen
);
476 size
= DemodBufferLen
;
477 errCnt
=BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
479 PrintAndLog("Error during decode:%d", errCnt
);
483 PrintAndLog("Too many errors attempting to decode: %d",errCnt
);
488 PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt
);
490 PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset
,invert
);
491 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
493 if (offset
) setDemodBuf(DemodBuffer
,DemodBufferLen
-offset
, offset
); //remove first bit from raw demod
498 // - ASK Demod then Biphase decode GraphBuffer samples
499 int ASKbiphaseDemod(const char *Cmd
, bool verbose
)
501 //ask raw demod GraphBuffer first
502 int offset
=0, clk
=0, invert
=0, maxErr
=0;
503 sscanf(Cmd
, "%i %i %i %i", &offset
, &clk
, &invert
, &maxErr
);
505 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
506 size_t size
= getFromGraphBuf(BitStream
);
507 //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
508 int errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
509 if ( errCnt
< 0 || errCnt
> maxErr
) {
510 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
514 //attempt to Biphase decode BitStream
515 errCnt
= BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
517 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
520 if (errCnt
> maxErr
) {
521 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt
);
524 //success set DemodBuffer and return
525 setDemodBuf(BitStream
, size
, 0);
526 if (g_debugMode
|| verbose
){
527 PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset
,clk
,errCnt
);
532 //by marshmellow - see ASKbiphaseDemod
533 int Cmdaskbiphdemod(const char *Cmd
)
535 char cmdp
= param_getchar(Cmd
, 0);
536 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
537 PrintAndLog("Usage: data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>");
538 PrintAndLog(" [offset], offset to begin biphase, default=0");
539 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
540 PrintAndLog(" <invert>, 1 to invert output");
541 PrintAndLog(" [set maximum allowed errors], default = 100");
542 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
543 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
544 PrintAndLog(" NOTE: <invert> can be entered as second or third argument");
545 PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument");
546 PrintAndLog(" NOTE: any other arg must have previous args set to work");
548 PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
550 PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer");
551 PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified");
552 PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
553 PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
554 PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data");
555 PrintAndLog(" : data rawdemod ab 0 64 1 0 = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
556 PrintAndLog(" : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
559 return ASKbiphaseDemod(Cmd
, TRUE
);
563 //attempts to demodulate and identify a G_Prox_II verex/chubb card
564 //WARNING: if it fails during some points it will destroy the DemodBuffer data
565 // but will leave the GraphBuffer intact.
566 //if successful it will push askraw data back to demod buffer ready for emulation
567 int CmdG_Prox_II_Demod(const char *Cmd
)
569 if (!ASKbiphaseDemod(Cmd
, FALSE
)){
570 if (g_debugMode
) PrintAndLog("ASKbiphaseDemod failed 1st try");
573 size_t size
= DemodBufferLen
;
574 //call lfdemod.c demod for gProxII
575 int ans
= gProxII_Demod(DemodBuffer
, &size
);
577 if (g_debugMode
) PrintAndLog("Error gProxII_Demod");
581 uint32_t ByteStream
[65] = {0x00};
586 size_t startIdx
= ans
+ 6; //start after preamble
587 for (size_t idx
= 0; idx
<size
-6; idx
++){
588 if ((idx
+1) % 5 == 0){
589 //spacer bit - should be 0
590 if (DemodBuffer
[startIdx
+idx
] != 0) {
591 if (g_debugMode
) PrintAndLog("Error spacer not 0: %d, pos: %d",DemodBuffer
[startIdx
+idx
],startIdx
+idx
);
596 if (keyCnt
<8){ //lsb first
597 xorKey
= xorKey
| (DemodBuffer
[startIdx
+idx
]<<keyCnt
);
599 if (keyCnt
==8 && g_debugMode
) PrintAndLog("xorKey Found: %02x", xorKey
);
603 ByteStream
[ByteCnt
] = ByteStream
[ByteCnt
] | (DemodBuffer
[startIdx
+idx
]<<bitCnt
);
605 if (bitCnt
% 8 == 0){
606 if (g_debugMode
) PrintAndLog("byte %d: %02x",ByteCnt
,ByteStream
[ByteCnt
]);
611 for (uint8_t i
= 0; i
< ByteCnt
; i
++){
612 ByteStream
[i
] ^= xorKey
; //xor
613 if (g_debugMode
) PrintAndLog("byte %d after xor: %02x", i
, ByteStream
[i
]);
615 //now ByteStream contains 64 bytes of decrypted raw tag data
617 uint8_t fmtLen
= ByteStream
[0]>>2;
620 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
,32);
621 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
622 uint32_t raw3
= bytebits_to_byte(DemodBuffer
+ans
+64, 32);
625 FC
= ((ByteStream
[3] & 0x7F)<<7) | (ByteStream
[4]>>1);
626 Card
= ((ByteStream
[4]&1)<<19) | (ByteStream
[5]<<11) | (ByteStream
[6]<<3) | (ByteStream
[7]>>5);
627 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
628 } else if(fmtLen
==26){
629 FC
= ((ByteStream
[3] & 0x7F)<<1) | (ByteStream
[4]>>7);
630 Card
= ((ByteStream
[4]&0x7F)<<9) | (ByteStream
[5]<<1) | (ByteStream
[6]>>7);
631 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
633 PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",fmtLen
);
635 PrintAndLog("Raw: %08x%08x%08x", raw1
,raw2
,raw3
);
636 setDemodBuf(DemodBuffer
+ans
, 96, 0);
640 //by marshmellow - see ASKDemod
641 int Cmdaskrawdemod(const char *Cmd
)
643 char cmdp
= param_getchar(Cmd
, 0);
644 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
645 PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]");
646 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
647 PrintAndLog(" <invert>, 1 to invert output");
648 PrintAndLog(" [set maximum allowed errors], default = 100");
649 PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)");
650 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
652 PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer");
653 PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified");
654 PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32");
655 PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
656 PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data");
657 PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
658 PrintAndLog(" : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
661 return ASKDemod(Cmd
, TRUE
, FALSE
, 0);
664 int AutoCorrelate(int window
, bool SaveGrph
, bool verbose
)
666 static int CorrelBuffer
[MAX_GRAPH_TRACE_LEN
];
667 size_t Correlation
= 0;
670 if (verbose
) PrintAndLog("performing %d correlations", GraphTraceLen
- window
);
671 for (int i
= 0; i
< GraphTraceLen
- window
; ++i
) {
673 for (int j
= 0; j
< window
; ++j
) {
674 sum
+= (GraphBuffer
[j
]*GraphBuffer
[i
+ j
]) / 256;
676 CorrelBuffer
[i
] = sum
;
677 if (sum
>= maxSum
-100 && sum
<= maxSum
+100){
679 Correlation
= i
-lastMax
;
681 if (sum
> maxSum
) maxSum
= sum
;
682 } else if (sum
> maxSum
){
688 //try again with wider margin
689 for (int i
= 0; i
< GraphTraceLen
- window
; i
++){
690 if (CorrelBuffer
[i
] >= maxSum
-(maxSum
*0.05) && CorrelBuffer
[i
] <= maxSum
+(maxSum
*0.05)){
692 Correlation
= i
-lastMax
;
694 //if (CorrelBuffer[i] > maxSum) maxSum = sum;
698 if (verbose
&& Correlation
> 0) PrintAndLog("Possible Correlation: %d samples",Correlation
);
701 GraphTraceLen
= GraphTraceLen
- window
;
702 memcpy(GraphBuffer
, CorrelBuffer
, GraphTraceLen
* sizeof (int));
703 RepaintGraphWindow();
708 int usage_data_autocorr(void)
711 PrintAndLog("Usage: data autocorr [window] [g]");
712 PrintAndLog("Options: ");
713 PrintAndLog(" h This help");
714 PrintAndLog(" [window] window length for correlation - default = 4000");
715 PrintAndLog(" g save back to GraphBuffer (overwrite)");
719 int CmdAutoCorr(const char *Cmd
)
721 char cmdp
= param_getchar(Cmd
, 0);
722 if (cmdp
== 'h' || cmdp
== 'H')
723 return usage_data_autocorr();
724 int window
= 4000; //set default
726 bool updateGrph
= FALSE
;
727 sscanf(Cmd
, "%i %c", &window
, &grph
);
729 if (window
>= GraphTraceLen
) {
730 PrintAndLog("window must be smaller than trace (%d samples)",
734 if (grph
== 'g') updateGrph
=TRUE
;
735 return AutoCorrelate(window
, updateGrph
, TRUE
);
738 int CmdBitsamples(const char *Cmd
)
743 GetFromBigBuf(got
,sizeof(got
),0);
744 WaitForResponse(CMD_ACK
,NULL
);
746 for (int j
= 0; j
< sizeof(got
); j
++) {
747 for (int k
= 0; k
< 8; k
++) {
748 if(got
[j
] & (1 << (7 - k
))) {
749 GraphBuffer
[cnt
++] = 1;
751 GraphBuffer
[cnt
++] = 0;
756 RepaintGraphWindow();
760 int CmdBuffClear(const char *Cmd
)
762 UsbCommand c
= {CMD_BUFF_CLEAR
};
768 int CmdDec(const char *Cmd
)
770 for (int i
= 0; i
< (GraphTraceLen
/ 2); ++i
)
771 GraphBuffer
[i
] = GraphBuffer
[i
* 2];
773 PrintAndLog("decimated by 2");
774 RepaintGraphWindow();
778 * Undecimate - I'd call it 'interpolate', but we'll save that
779 * name until someone does an actual interpolation command, not just
780 * blindly repeating samples
784 int CmdUndec(const char *Cmd
)
786 if(param_getchar(Cmd
, 0) == 'h')
788 PrintAndLog("Usage: data undec [factor]");
789 PrintAndLog("This function performs un-decimation, by repeating each sample N times");
790 PrintAndLog("Options: ");
791 PrintAndLog(" h This help");
792 PrintAndLog(" factor The number of times to repeat each sample.[default:2]");
793 PrintAndLog("Example: 'data undec 3'");
797 uint8_t factor
= param_get8ex(Cmd
, 0,2, 10);
798 //We have memory, don't we?
799 int swap
[MAX_GRAPH_TRACE_LEN
] = { 0 };
800 uint32_t g_index
= 0 ,s_index
= 0;
801 while(g_index
< GraphTraceLen
&& s_index
< MAX_GRAPH_TRACE_LEN
)
804 for(count
= 0; count
< factor
&& s_index
+count
< MAX_GRAPH_TRACE_LEN
; count
++)
805 swap
[s_index
+count
] = GraphBuffer
[g_index
];
809 memcpy(GraphBuffer
,swap
, s_index
* sizeof(int));
810 GraphTraceLen
= s_index
;
811 RepaintGraphWindow();
816 //shift graph zero up or down based on input + or -
817 int CmdGraphShiftZero(const char *Cmd
)
821 //set options from parameters entered with the command
822 sscanf(Cmd
, "%i", &shift
);
824 for(int i
= 0; i
<GraphTraceLen
; i
++){
825 shiftedVal
=GraphBuffer
[i
]+shift
;
828 else if (shiftedVal
<-127)
830 GraphBuffer
[i
]= shiftedVal
;
837 //use large jumps in read samples to identify edges of waves and then amplify that wave to max
838 //similar to dirtheshold, threshold commands
839 //takes a threshold length which is the measured length between two samples then determines an edge
840 int CmdAskEdgeDetect(const char *Cmd
)
843 sscanf(Cmd
, "%i", &thresLen
);
845 for(int i
= 1; i
<GraphTraceLen
; i
++){
846 if (GraphBuffer
[i
]-GraphBuffer
[i
-1]>=thresLen
) //large jump up
847 GraphBuffer
[i
-1] = 127;
848 else if(GraphBuffer
[i
]-GraphBuffer
[i
-1]<=-1*thresLen
) //large jump down
849 GraphBuffer
[i
-1] = -127;
851 RepaintGraphWindow();
855 /* Print our clock rate */
856 // uses data from graphbuffer
857 // adjusted to take char parameter for type of modulation to find the clock - by marshmellow.
858 int CmdDetectClockRate(const char *Cmd
)
860 char cmdp
= param_getchar(Cmd
, 0);
861 if (strlen(Cmd
) > 6 || strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H') {
862 PrintAndLog("Usage: data detectclock [modulation] <clock>");
863 PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of");
864 PrintAndLog(" <clock> , specify the clock (optional - to get best start position only)");
865 PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
867 PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer");
868 PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer");
869 PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer");
870 PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer");
874 ans
= GetAskClock(Cmd
+1, true, false);
875 } else if (cmdp
== 'f'){
876 ans
= GetFskClock("", true, false);
877 } else if (cmdp
== 'n'){
878 ans
= GetNrzClock("", true, false);
879 } else if (cmdp
== 'p'){
880 ans
= GetPskClock("", true, false);
882 PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help");
887 char *GetFSKType(uint8_t fchigh
, uint8_t fclow
, uint8_t invert
)
890 if (fchigh
==10 && fclow
==8){
895 } else if (fchigh
== 8 && fclow
== 5) {
907 //fsk raw demod and print binary
908 //takes 4 arguments - Clock, invert, fchigh, fclow
909 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
910 int FSKrawDemod(const char *Cmd
, bool verbose
)
912 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
919 //set options from parameters entered with the command
920 sscanf(Cmd
, "%i %i %i %i", &rfLen
, &invert
, &fchigh
, &fclow
);
922 if (strlen(Cmd
)>0 && strlen(Cmd
)<=2) {
924 invert
= 1; //if invert option only is used
929 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
930 size_t BitLen
= getFromGraphBuf(BitStream
);
931 if (BitLen
==0) return 0;
932 //get field clock lengths
934 if (fchigh
==0 || fclow
== 0){
935 fcs
= countFC(BitStream
, BitLen
, 1);
940 fchigh
= (fcs
>> 8) & 0xFF;
944 //get bit clock length
946 rfLen
= detectFSKClk(BitStream
, BitLen
, fchigh
, fclow
);
947 if (rfLen
== 0) rfLen
= 50;
949 int size
= fskdemod(BitStream
,BitLen
,(uint8_t)rfLen
,(uint8_t)invert
,(uint8_t)fchigh
,(uint8_t)fclow
);
951 setDemodBuf(BitStream
,size
,0);
953 // Now output the bitstream to the scrollback by line of 16 bits
954 if (verbose
|| g_debugMode
) {
955 PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen
, invert
, fchigh
, fclow
);
956 PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh
,fclow
,invert
));
962 if (g_debugMode
) PrintAndLog("no FSK data found");
968 //fsk raw demod and print binary
969 //takes 4 arguments - Clock, invert, fchigh, fclow
970 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
971 int CmdFSKrawdemod(const char *Cmd
)
973 char cmdp
= param_getchar(Cmd
, 0);
974 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
975 PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]");
976 PrintAndLog(" [set clock as integer] optional, omit for autodetect.");
977 PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted");
978 PrintAndLog(" [fchigh], larger field clock length, omit for autodetect");
979 PrintAndLog(" [fclow], small field clock length, omit for autodetect");
981 PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect");
982 PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
983 PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output");
984 PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
985 PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer");
986 PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
987 PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
990 return FSKrawDemod(Cmd
, TRUE
);
993 //by marshmellow (based on existing demod + holiman's refactor)
994 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
995 //print full HID Prox ID and some bit format details if found
996 int CmdFSKdemodHID(const char *Cmd
)
998 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
999 uint32_t hi2
=0, hi
=0, lo
=0;
1001 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1002 size_t BitLen
= getFromGraphBuf(BitStream
);
1003 if (BitLen
==0) return 0;
1004 //get binary from fsk wave
1005 int idx
= HIDdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1009 PrintAndLog("DEBUG: Just Noise Detected");
1010 } else if (idx
== -2) {
1011 PrintAndLog("DEBUG: Error demoding fsk");
1012 } else if (idx
== -3) {
1013 PrintAndLog("DEBUG: Preamble not found");
1014 } else if (idx
== -4) {
1015 PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen
);
1017 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1022 if (hi2
==0 && hi
==0 && lo
==0) {
1023 if (g_debugMode
) PrintAndLog("DEBUG: Error - no values found");
1026 if (hi2
!= 0){ //extra large HID tags
1027 PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
1028 (unsigned int) hi2
, (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF);
1030 else { //standard HID tags <38 bits
1033 uint32_t cardnum
= 0;
1034 if (((hi
>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
1036 lo2
=(((hi
& 31) << 12) | (lo
>>20)); //get bits 21-37 to check for format len bit
1038 while(lo2
>1){ //find last bit set to 1 (format len bit)
1046 cardnum
= (lo
>>1)&0xFFFF;
1050 cardnum
= (lo
>>1)&0xFFFF;
1051 fc
= ((hi
&1)<<15)|(lo
>>17);
1054 cardnum
= (lo
>>1)&0xFFFFF;
1055 fc
= ((hi
&1)<<11)|(lo
>>21);
1058 else { //if bit 38 is not set then 37 bit format is used
1063 cardnum
= (lo
>>1)&0x7FFFF;
1064 fc
= ((hi
&0xF)<<12)|(lo
>>20);
1067 PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
1068 (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF,
1069 (unsigned int) fmtLen
, (unsigned int) fc
, (unsigned int) cardnum
);
1071 setDemodBuf(BitStream
,BitLen
,idx
);
1073 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
1080 //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
1081 //print full Paradox Prox ID and some bit format details if found
1082 int CmdFSKdemodParadox(const char *Cmd
)
1084 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1085 uint32_t hi2
=0, hi
=0, lo
=0;
1087 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1088 size_t BitLen
= getFromGraphBuf(BitStream
);
1089 if (BitLen
==0) return 0;
1090 //get binary from fsk wave
1091 int idx
= ParadoxdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1095 PrintAndLog("DEBUG: Just Noise Detected");
1096 } else if (idx
== -2) {
1097 PrintAndLog("DEBUG: Error demoding fsk");
1098 } else if (idx
== -3) {
1099 PrintAndLog("DEBUG: Preamble not found");
1100 } else if (idx
== -4) {
1101 PrintAndLog("DEBUG: Error in Manchester data");
1103 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1108 if (hi2
==0 && hi
==0 && lo
==0){
1109 if (g_debugMode
) PrintAndLog("DEBUG: Error - no value found");
1112 uint32_t fc
= ((hi
& 0x3)<<6) | (lo
>>26);
1113 uint32_t cardnum
= (lo
>>10)&0xFFFF;
1114 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1115 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1116 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1118 PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
1119 hi
>>10, (hi
& 0x3)<<26 | (lo
>>10), fc
, cardnum
, (lo
>>2) & 0xFF, rawHi2
, rawHi
, rawLo
);
1120 setDemodBuf(BitStream
,BitLen
,idx
);
1122 PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx
, BitLen
);
1129 //IO-Prox demod - FSK RF/64 with preamble of 000000001
1130 //print ioprox ID and some format details
1131 int CmdFSKdemodIO(const char *Cmd
)
1133 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1136 //something in graphbuffer?
1137 if (GraphTraceLen
< 65) {
1138 if (g_debugMode
)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
1141 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1142 size_t BitLen
= getFromGraphBuf(BitStream
);
1143 if (BitLen
==0) return 0;
1145 //get binary from fsk wave
1146 idx
= IOdemodFSK(BitStream
,BitLen
);
1150 PrintAndLog("DEBUG: Just Noise Detected");
1151 } else if (idx
== -2) {
1152 PrintAndLog("DEBUG: not enough samples");
1153 } else if (idx
== -3) {
1154 PrintAndLog("DEBUG: error during fskdemod");
1155 } else if (idx
== -4) {
1156 PrintAndLog("DEBUG: Preamble not found");
1157 } else if (idx
== -5) {
1158 PrintAndLog("DEBUG: Separator bits not found");
1160 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1167 PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen
);
1168 if (BitLen
> 92) PrintAndLog("%s", sprint_bin_break(BitStream
,92,16));
1173 //0 10 20 30 40 50 60
1175 //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
1176 //-----------------------------------------------------------------------------
1177 //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
1179 //XSF(version)facility:codeone+codetwo (raw)
1181 if (idx
+64>BitLen
) {
1182 if (g_debugMode
) PrintAndLog("not enough bits found - bitlen: %d",BitLen
);
1185 PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream
[idx
], BitStream
[idx
+1], BitStream
[idx
+2], BitStream
[idx
+3], BitStream
[idx
+4], BitStream
[idx
+5], BitStream
[idx
+6], BitStream
[idx
+7], BitStream
[idx
+8]);
1186 PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream
[idx
+9], BitStream
[idx
+10], BitStream
[idx
+11],BitStream
[idx
+12],BitStream
[idx
+13],BitStream
[idx
+14],BitStream
[idx
+15],BitStream
[idx
+16],BitStream
[idx
+17]);
1187 PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream
[idx
+18], BitStream
[idx
+19], BitStream
[idx
+20],BitStream
[idx
+21],BitStream
[idx
+22],BitStream
[idx
+23],BitStream
[idx
+24],BitStream
[idx
+25],BitStream
[idx
+26]);
1188 PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream
[idx
+27], BitStream
[idx
+28], BitStream
[idx
+29],BitStream
[idx
+30],BitStream
[idx
+31],BitStream
[idx
+32],BitStream
[idx
+33],BitStream
[idx
+34],BitStream
[idx
+35]);
1189 PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream
[idx
+36], BitStream
[idx
+37], BitStream
[idx
+38],BitStream
[idx
+39],BitStream
[idx
+40],BitStream
[idx
+41],BitStream
[idx
+42],BitStream
[idx
+43],BitStream
[idx
+44]);
1190 PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream
[idx
+45], BitStream
[idx
+46], BitStream
[idx
+47],BitStream
[idx
+48],BitStream
[idx
+49],BitStream
[idx
+50],BitStream
[idx
+51],BitStream
[idx
+52],BitStream
[idx
+53]);
1191 PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream
[idx
+54],BitStream
[idx
+55],BitStream
[idx
+56],BitStream
[idx
+57],BitStream
[idx
+58],BitStream
[idx
+59],BitStream
[idx
+60],BitStream
[idx
+61],BitStream
[idx
+62],BitStream
[idx
+63]);
1193 uint32_t code
= bytebits_to_byte(BitStream
+idx
,32);
1194 uint32_t code2
= bytebits_to_byte(BitStream
+idx
+32,32);
1195 uint8_t version
= bytebits_to_byte(BitStream
+idx
+27,8); //14,4
1196 uint8_t facilitycode
= bytebits_to_byte(BitStream
+idx
+18,8) ;
1197 uint16_t number
= (bytebits_to_byte(BitStream
+idx
+36,8)<<8)|(bytebits_to_byte(BitStream
+idx
+45,8)); //36,9
1198 uint8_t crc
= bytebits_to_byte(BitStream
+idx
+54,8);
1199 uint16_t calccrc
= 0;
1201 for (uint8_t i
=1; i
<6; ++i
){
1202 calccrc
+= bytebits_to_byte(BitStream
+idx
+9*i
,8);
1205 calccrc
= 0xff - calccrc
;
1207 char *crcStr
= (crc
== calccrc
) ? "crc ok": "!crc";
1209 PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version
,facilitycode
,number
,code
,code2
, crc
, crcStr
);
1210 setDemodBuf(BitStream
,64,idx
);
1212 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx
,64);
1219 //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream)
1220 //print full AWID Prox ID and some bit format details if found
1221 int CmdFSKdemodAWID(const char *Cmd
)
1223 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1224 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1225 size_t size
= getFromGraphBuf(BitStream
);
1226 if (size
==0) return 0;
1228 //get binary from fsk wave
1229 int idx
= AWIDdemodFSK(BitStream
, &size
);
1231 if (g_debugMode
==1){
1233 PrintAndLog("DEBUG: Error - not enough samples");
1235 PrintAndLog("DEBUG: Error - only noise found");
1237 PrintAndLog("DEBUG: Error - problem during FSK demod");
1239 PrintAndLog("DEBUG: Error - AWID preamble not found");
1241 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1243 PrintAndLog("DEBUG: Error %d",idx
);
1249 // 0 10 20 30 40 50 60
1251 // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96
1252 // -----------------------------------------------------------------------------
1253 // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1
1254 // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96
1255 // |---26 bit---| |-----117----||-------------142-------------|
1256 // b = format bit len, o = odd parity of last 3 bits
1257 // f = facility code, c = card number
1258 // w = wiegand parity
1259 // (26 bit format shown)
1261 //get raw ID before removing parities
1262 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1263 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1264 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1265 setDemodBuf(BitStream
,96,idx
);
1267 size
= removeParity(BitStream
, idx
+8, 4, 1, 88);
1269 if (g_debugMode
==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
1272 // ok valid card found!
1275 // 0 10 20 30 40 50 60
1277 // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
1278 // -----------------------------------------------------------------------------
1279 // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
1280 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1281 // |26 bit| |-117--| |-----142------|
1282 // b = format bit len, o = odd parity of last 3 bits
1283 // f = facility code, c = card number
1284 // w = wiegand parity
1285 // (26 bit format shown)
1288 uint32_t cardnum
= 0;
1291 uint8_t fmtLen
= bytebits_to_byte(BitStream
,8);
1293 fc
= bytebits_to_byte(BitStream
+9, 8);
1294 cardnum
= bytebits_to_byte(BitStream
+17, 16);
1295 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1296 PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1298 cardnum
= bytebits_to_byte(BitStream
+8+(fmtLen
-17), 16);
1300 code1
= bytebits_to_byte(BitStream
+8,fmtLen
-32);
1301 code2
= bytebits_to_byte(BitStream
+8+(fmtLen
-32),32);
1302 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, code2
, rawHi2
, rawHi
, rawLo
);
1304 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1305 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1309 PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx
, 96);
1312 //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
1317 //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream)
1318 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
1319 int CmdFSKdemodPyramid(const char *Cmd
)
1321 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1322 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1323 size_t size
= getFromGraphBuf(BitStream
);
1324 if (size
==0) return 0;
1326 //get binary from fsk wave
1327 int idx
= PyramiddemodFSK(BitStream
, &size
);
1329 if (g_debugMode
==1){
1331 PrintAndLog("DEBUG: Error - not enough samples");
1333 PrintAndLog("DEBUG: Error - only noise found");
1335 PrintAndLog("DEBUG: Error - problem during FSK demod");
1337 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1339 PrintAndLog("DEBUG: Error - Pyramid preamble not found");
1341 PrintAndLog("DEBUG: Error - idx: %d",idx
);
1346 // 0 10 20 30 40 50 60
1348 // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
1349 // -----------------------------------------------------------------------------
1350 // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
1351 // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
1353 // 64 70 80 90 100 110 120
1355 // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
1356 // -----------------------------------------------------------------------------
1357 // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
1358 // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
1359 // |---115---||---------71---------|
1360 // s = format start bit, o = odd parity of last 7 bits
1361 // f = facility code, c = card number
1362 // w = wiegand parity, x = extra space for other formats
1363 // p = unknown checksum
1364 // (26 bit format shown)
1366 //get bytes for checksum calc
1367 uint8_t checksum
= bytebits_to_byte(BitStream
+ idx
+ 120, 8);
1368 uint8_t csBuff
[14] = {0x00};
1369 for (uint8_t i
= 0; i
< 13; i
++){
1370 csBuff
[i
] = bytebits_to_byte(BitStream
+ idx
+ 16 + (i
*8), 8);
1372 //check checksum calc
1373 //checksum calc thanks to ICEMAN!!
1374 uint32_t checkCS
= CRC8Maxim(csBuff
,13);
1376 //get raw ID before removing parities
1377 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+96,32);
1378 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+64,32);
1379 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
+32,32);
1380 uint32_t rawHi3
= bytebits_to_byte(BitStream
+idx
,32);
1381 setDemodBuf(BitStream
,128,idx
);
1383 size
= removeParity(BitStream
, idx
+8, 8, 1, 120);
1386 PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size
, idx
, rawHi3
);
1390 // ok valid card found!
1393 // 0 10 20 30 40 50 60 70
1395 // 01234567890123456789012345678901234567890123456789012345678901234567890
1396 // -----------------------------------------------------------------------
1397 // 00000000000000000000000000000000000000000000000000000000000000000000000
1398 // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1402 // 1 2 34567890 1234567890123456 7 8901234
1403 // ---------------------------------------
1404 // 1 1 01110011 0000000001000110 0 1001010
1405 // s w ffffffff cccccccccccccccc w ppppppp
1406 // |--115-| |------71------|
1407 // s = format start bit, o = odd parity of last 7 bits
1408 // f = facility code, c = card number
1409 // w = wiegand parity, x = extra space for other formats
1410 // p = unknown checksum
1411 // (26 bit format shown)
1413 //find start bit to get fmtLen
1415 for (j
=0; j
<size
; j
++){
1416 if(BitStream
[j
]) break;
1418 uint8_t fmtLen
= size
-j
-8;
1420 uint32_t cardnum
= 0;
1423 fc
= bytebits_to_byte(BitStream
+73, 8);
1424 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1425 code1
= bytebits_to_byte(BitStream
+72,fmtLen
);
1426 PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1427 } else if (fmtLen
==45){
1428 fmtLen
=42; //end = 10 bits not 7 like 26 bit fmt
1429 fc
= bytebits_to_byte(BitStream
+53, 10);
1430 cardnum
= bytebits_to_byte(BitStream
+63, 32);
1431 PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen
, fc
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1433 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1435 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
1436 //code2 = bytebits_to_byte(BitStream+(size-32),32);
1437 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1439 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
1440 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1443 if (checksum
== checkCS
)
1444 PrintAndLog("Checksum %02x passed", checksum
);
1446 PrintAndLog("Checksum %02x failed - should have been %02x", checksum
, checkCS
);
1449 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, 128);
1455 // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits)
1456 // 8 databits + 1 parity (1)
1458 // NATIONAL CODE, ICAR database
1459 // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
1460 // FLAG (animal/non-animal)
1467 16 ccitt CRC chksum over 64bit ID CODE.
1470 -- sample: 985121004515220 [ 37FF65B88EF94 ]
1472 int CmdFDXBdemodBI(const char *Cmd
){
1478 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
1479 size_t size
= getFromGraphBuf(BitStream
);
1481 errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
1482 if ( errCnt
< 0 || errCnt
> maxErr
) {
1483 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
1487 errCnt
= BiphaseRawDecode(BitStream
, &size
, maxErr
, 1);
1488 if (errCnt
< 0 || errCnt
> maxErr
) {
1489 if (g_debugMode
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
1493 int preambleIndex
= FDXBdemodBI(BitStream
, &size
);
1494 if (preambleIndex
< 0){
1495 if (g_debugMode
) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex
);
1499 setDemodBuf(BitStream
, 128, preambleIndex
);
1501 // remove marker bits (1's every 9th digit after preamble) (pType = 2)
1502 size
= removeParity(BitStream
, preambleIndex
+ 11, 9, 2, 117);
1503 if ( size
!= 104 ) {
1504 if (g_debugMode
) PrintAndLog("Error removeParity:: %d", size
);
1508 char *bin
= sprint_bin_break(BitStream
,size
,16);
1509 PrintAndLog("DEBUG BinStream:\n%s",bin
);
1511 PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:");
1512 if (g_debugMode
) PrintAndLog("Start marker %d; Size %d", preambleIndex
, size
);
1515 uint64_t NationalCode
= ((uint64_t)(bytebits_to_byteLSBF(BitStream
+32,6)) << 32) | bytebits_to_byteLSBF(BitStream
,32);
1516 uint32_t countryCode
= bytebits_to_byteLSBF(BitStream
+38,10);
1517 uint8_t dataBlockBit
= BitStream
[48];
1518 uint32_t reservedCode
= bytebits_to_byteLSBF(BitStream
+49,14);
1519 uint8_t animalBit
= BitStream
[63];
1520 uint32_t crc16
= bytebits_to_byteLSBF(BitStream
+64,16);
1521 uint32_t extended
= bytebits_to_byteLSBF(BitStream
+80,24);
1523 uint64_t rawid
= ((uint64_t)bytebits_to_byte(BitStream
,32)<<32) | bytebits_to_byte(BitStream
+32,32);
1525 num_to_bytes(rawid
, 8, raw
);
1527 if (g_debugMode
) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw
,8));
1529 uint16_t calcCrc
= crc16_ccitt_kermit(raw
, 8);
1530 PrintAndLog("Animal ID: %04u-%012llu", countryCode
, NationalCode
);
1531 PrintAndLog("National Code: %012llu", NationalCode
);
1532 PrintAndLog("CountryCode: %04u", countryCode
);
1533 PrintAndLog("Extended Data: %s", dataBlockBit
? "True" : "False");
1534 PrintAndLog("reserved Code: %u", reservedCode
);
1535 PrintAndLog("Animal Tag: %s", animalBit
? "True" : "False");
1536 PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16
, calcCrc
, (calcCrc
== crc16
) ? "Passed" : "Failed");
1537 PrintAndLog("Extended: 0x%X\n", extended
);
1544 //attempt to psk1 demod graph buffer
1545 int PSKDemod(const char *Cmd
, bool verbose
)
1550 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1555 if (invert
!= 0 && invert
!= 1) {
1556 if (g_debugMode
|| verbose
) PrintAndLog("Invalid argument: %s", Cmd
);
1559 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1560 size_t BitLen
= getFromGraphBuf(BitStream
);
1561 if (BitLen
==0) return 0;
1562 uint8_t carrier
=countFC(BitStream
, BitLen
, 0);
1563 if (carrier
!=2 && carrier
!=4 && carrier
!=8){
1568 errCnt
= pskRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1569 if (errCnt
> maxErr
){
1570 if (g_debugMode
|| verbose
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1573 if (errCnt
<0|| BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1574 if (g_debugMode
|| verbose
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1577 if (verbose
|| g_debugMode
){
1578 PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
1580 PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1583 //prime demod buffer for output
1584 setDemodBuf(BitStream
,BitLen
,0);
1588 // Indala 26 bit decode
1590 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
1591 int CmdIndalaDecode(const char *Cmd
)
1595 ans
= PSKDemod(Cmd
, 0);
1596 } else{ //default to RF/32
1597 ans
= PSKDemod("32", 0);
1602 PrintAndLog("Error1: %d",ans
);
1606 size_t size
= DemodBufferLen
;
1607 size_t startIdx
= indala26decode(DemodBuffer
, &size
, &invert
);
1610 PrintAndLog("Error2: %d",ans
);
1613 setDemodBuf(DemodBuffer
, size
, startIdx
);
1616 PrintAndLog("Had to invert bits");
1618 PrintAndLog("BitLen: %d",DemodBufferLen
);
1619 //convert UID to HEX
1620 uint32_t uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
;
1621 uid1
=bytebits_to_byte(DemodBuffer
,32);
1622 uid2
=bytebits_to_byte(DemodBuffer
+32,32);
1623 if (DemodBufferLen
==64){
1624 PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin(DemodBuffer
,DemodBufferLen
), uid1
, uid2
);
1626 uid3
=bytebits_to_byte(DemodBuffer
+64,32);
1627 uid4
=bytebits_to_byte(DemodBuffer
+96,32);
1628 uid5
=bytebits_to_byte(DemodBuffer
+128,32);
1629 uid6
=bytebits_to_byte(DemodBuffer
+160,32);
1630 uid7
=bytebits_to_byte(DemodBuffer
+192,32);
1631 PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
1632 sprint_bin(DemodBuffer
,DemodBufferLen
), uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
);
1635 PrintAndLog("DEBUG: printing demodbuffer:");
1641 int CmdPSKNexWatch(const char *Cmd
)
1643 if (!PSKDemod("", false)) return 0;
1644 uint8_t preamble
[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
1645 size_t startIdx
= 0, size
= DemodBufferLen
;
1646 bool invert
= false;
1647 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)){
1648 // if didn't find preamble try again inverting
1649 if (!PSKDemod("1", false)) return 0;
1650 size
= DemodBufferLen
;
1651 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)) return 0;
1654 if (size
!= 128) return 0;
1655 setDemodBuf(DemodBuffer
, size
, startIdx
+4);
1656 startIdx
= 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
1659 for (uint8_t wordIdx
=0; wordIdx
<4; wordIdx
++){
1660 for (uint8_t idx
=0; idx
<8; idx
++){
1661 ID
= (ID
<< 1) | DemodBuffer
[startIdx
+wordIdx
+(idx
*4)];
1664 //parity check (TBD)
1666 //checksum check (TBD)
1669 PrintAndLog("NexWatch ID: %d", ID
);
1671 PrintAndLog("Had to Invert - probably NexKey");
1672 for (uint8_t idx
=0; idx
<size
; idx
++)
1673 DemodBuffer
[idx
] ^= 1;
1676 CmdPrintDemodBuff("x");
1681 // takes 3 arguments - clock, invert, maxErr as integers
1682 // attempts to demodulate nrz only
1683 // prints binary found and saves in demodbuffer for further commands
1684 int NRZrawDemod(const char *Cmd
, bool verbose
)
1689 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1694 if (invert
!= 0 && invert
!= 1) {
1695 PrintAndLog("Invalid argument: %s", Cmd
);
1698 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1699 size_t BitLen
= getFromGraphBuf(BitStream
);
1700 if (BitLen
==0) return 0;
1702 errCnt
= nrzRawDemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
);
1703 if (errCnt
> maxErr
){
1704 if (g_debugMode
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1707 if (errCnt
<0 || BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1708 if (g_debugMode
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1711 if (verbose
|| g_debugMode
) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
1712 //prime demod buffer for output
1713 setDemodBuf(BitStream
,BitLen
,0);
1715 if (errCnt
>0 && (verbose
|| g_debugMode
)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1716 if (verbose
|| g_debugMode
) {
1717 PrintAndLog("NRZ demoded bitstream:");
1718 // Now output the bitstream to the scrollback by line of 16 bits
1724 int CmdNRZrawDemod(const char *Cmd
)
1726 char cmdp
= param_getchar(Cmd
, 0);
1727 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1728 PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]");
1729 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1730 PrintAndLog(" <invert>, 1 for invert output");
1731 PrintAndLog(" [set maximum allowed errors], default = 100.");
1733 PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer");
1734 PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
1735 PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
1736 PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data");
1737 PrintAndLog(" : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
1740 return NRZrawDemod(Cmd
, TRUE
);
1744 // takes 3 arguments - clock, invert, maxErr as integers
1745 // attempts to demodulate psk only
1746 // prints binary found and saves in demodbuffer for further commands
1747 int CmdPSK1rawDemod(const char *Cmd
)
1750 char cmdp
= param_getchar(Cmd
, 0);
1751 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1752 PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]");
1753 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1754 PrintAndLog(" <invert>, 1 for invert output");
1755 PrintAndLog(" [set maximum allowed errors], default = 100.");
1757 PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer");
1758 PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32");
1759 PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
1760 PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data");
1761 PrintAndLog(" : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors");
1764 ans
= PSKDemod(Cmd
, TRUE
);
1767 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1771 PrintAndLog("PSK1 demoded bitstream:");
1772 // Now output the bitstream to the scrollback by line of 16 bits
1778 // takes same args as cmdpsk1rawdemod
1779 int CmdPSK2rawDemod(const char *Cmd
)
1782 char cmdp
= param_getchar(Cmd
, 0);
1783 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1784 PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]");
1785 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1786 PrintAndLog(" <invert>, 1 for invert output");
1787 PrintAndLog(" [set maximum allowed errors], default = 100.");
1789 PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock");
1790 PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32");
1791 PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
1792 PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
1793 PrintAndLog(" : data rawdemod p2 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors");
1796 ans
=PSKDemod(Cmd
, TRUE
);
1798 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1801 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
1802 PrintAndLog("PSK2 demoded bitstream:");
1803 // Now output the bitstream to the scrollback by line of 16 bits
1808 // by marshmellow - combines all raw demod functions into one menu command
1809 int CmdRawDemod(const char *Cmd
)
1811 char cmdp
= Cmd
[0]; //param_getchar(Cmd, 0);
1813 if (strlen(Cmd
) > 20 || cmdp
== 'h' || cmdp
== 'H' || strlen(Cmd
)<2) {
1814 PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>");
1815 PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");
1816 PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
1817 PrintAndLog(" <help> as 'h', prints the help for the specific modulation");
1818 PrintAndLog(" <options> see specific modulation help for optional parameters");
1820 PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod");
1821 PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect");
1822 PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect");
1823 PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect");
1824 PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect");
1825 PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect");
1826 PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect");
1827 PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect");
1830 char cmdp2
= Cmd
[1];
1832 if (cmdp
== 'f' && cmdp2
== 's'){
1833 ans
= CmdFSKrawdemod(Cmd
+2);
1834 } else if(cmdp
== 'a' && cmdp2
== 'b'){
1835 ans
= Cmdaskbiphdemod(Cmd
+2);
1836 } else if(cmdp
== 'a' && cmdp2
== 'm'){
1837 ans
= Cmdaskmandemod(Cmd
+2);
1838 } else if(cmdp
== 'a' && cmdp2
== 'r'){
1839 ans
= Cmdaskrawdemod(Cmd
+2);
1840 } else if(cmdp
== 'n' && cmdp2
== 'r'){
1841 ans
= CmdNRZrawDemod(Cmd
+2);
1842 } else if(cmdp
== 'p' && cmdp2
== '1'){
1843 ans
= CmdPSK1rawDemod(Cmd
+2);
1844 } else if(cmdp
== 'p' && cmdp2
== '2'){
1845 ans
= CmdPSK2rawDemod(Cmd
+2);
1847 PrintAndLog("unknown modulation entered - see help ('h') for parameter structure");
1852 int CmdGrid(const char *Cmd
)
1854 sscanf(Cmd
, "%i %i", &PlotGridX
, &PlotGridY
);
1855 PlotGridXdefault
= PlotGridX
;
1856 PlotGridYdefault
= PlotGridY
;
1857 RepaintGraphWindow();
1861 int CmdHexsamples(const char *Cmd
)
1866 char string_buf
[25];
1867 char* string_ptr
= string_buf
;
1868 uint8_t got
[BIGBUF_SIZE
];
1870 sscanf(Cmd
, "%i %i", &requested
, &offset
);
1872 /* if no args send something */
1873 if (requested
== 0) {
1876 if (offset
+ requested
> sizeof(got
)) {
1877 PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE
);
1881 GetFromBigBuf(got
,requested
,offset
);
1882 WaitForResponse(CMD_ACK
,NULL
);
1885 for (j
= 0; j
< requested
; j
++) {
1887 string_ptr
+= sprintf(string_ptr
, "%02x ", got
[j
]);
1889 *(string_ptr
- 1) = '\0'; // remove the trailing space
1890 PrintAndLog("%s", string_buf
);
1891 string_buf
[0] = '\0';
1892 string_ptr
= string_buf
;
1895 if (j
== requested
- 1 && string_buf
[0] != '\0') { // print any remaining bytes
1896 *(string_ptr
- 1) = '\0';
1897 PrintAndLog("%s", string_buf
);
1898 string_buf
[0] = '\0';
1904 int CmdHide(const char *Cmd
)
1910 //zero mean GraphBuffer
1911 int CmdHpf(const char *Cmd
)
1916 for (i
= 10; i
< GraphTraceLen
; ++i
)
1917 accum
+= GraphBuffer
[i
];
1918 accum
/= (GraphTraceLen
- 10);
1919 for (i
= 0; i
< GraphTraceLen
; ++i
)
1920 GraphBuffer
[i
] -= accum
;
1922 RepaintGraphWindow();
1926 bool _headBit( BitstreamOut
*stream
)
1928 int bytepos
= stream
->position
>> 3; // divide by 8
1929 int bitpos
= (stream
->position
++) & 7; // mask out 00000111
1930 return (*(stream
->buffer
+ bytepos
) >> (7-bitpos
)) & 1;
1933 uint8_t getByte(uint8_t bits_per_sample
, BitstreamOut
* b
)
1937 for(i
=0 ; i
< bits_per_sample
; i
++)
1939 val
|= (_headBit(b
) << (7-i
));
1944 int getSamples(const char *Cmd
, bool silent
)
1946 //If we get all but the last byte in bigbuf,
1947 // we don't have to worry about remaining trash
1948 // in the last byte in case the bits-per-sample
1949 // does not line up on byte boundaries
1951 uint8_t got
[BIGBUF_SIZE
-1] = { 0 };
1953 int n
= strtol(Cmd
, NULL
, 0);
1958 if (n
> sizeof(got
))
1961 PrintAndLog("Reading %d bytes from device memory\n", n
);
1962 GetFromBigBuf(got
,n
,0);
1963 PrintAndLog("Data fetched");
1964 UsbCommand response
;
1965 WaitForResponse(CMD_ACK
, &response
);
1966 uint8_t bits_per_sample
= 8;
1968 //Old devices without this feature would send 0 at arg[0]
1969 if(response
.arg
[0] > 0)
1971 sample_config
*sc
= (sample_config
*) response
.d
.asBytes
;
1972 PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc
->bits_per_sample
1974 bits_per_sample
= sc
->bits_per_sample
;
1976 if(bits_per_sample
< 8)
1978 PrintAndLog("Unpacking...");
1979 BitstreamOut bout
= { got
, bits_per_sample
* n
, 0};
1981 for (j
= 0; j
* bits_per_sample
< n
* 8 && j
< n
; j
++) {
1982 uint8_t sample
= getByte(bits_per_sample
, &bout
);
1983 GraphBuffer
[j
] = ((int) sample
)- 128;
1986 PrintAndLog("Unpacked %d samples" , j
);
1989 for (int j
= 0; j
< n
; j
++) {
1990 GraphBuffer
[j
] = ((int)got
[j
]) - 128;
1995 RepaintGraphWindow();
1999 int CmdSamples(const char *Cmd
)
2001 return getSamples(Cmd
, false);
2004 int CmdTuneSamples(const char *Cmd
)
2007 printf("\nMeasuring antenna characteristics, please wait...");
2009 UsbCommand c
= {CMD_MEASURE_ANTENNA_TUNING
};
2013 while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING
,&resp
,1000)) {
2017 PrintAndLog("\nNo response from Proxmark. Aborting...");
2023 int vLf125
, vLf134
, vHf
;
2024 vLf125
= resp
.arg
[0] & 0xffff;
2025 vLf134
= resp
.arg
[0] >> 16;
2026 vHf
= resp
.arg
[1] & 0xffff;;
2027 peakf
= resp
.arg
[2] & 0xffff;
2028 peakv
= resp
.arg
[2] >> 16;
2030 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125
/1000.0);
2031 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134
/1000.0);
2032 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv
/1000.0, 12000.0/(peakf
+1));
2033 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf
/1000.0);
2035 #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
2036 #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
2037 #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2038 #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2040 if (peakv
< LF_UNUSABLE_V
)
2041 PrintAndLog("# Your LF antenna is unusable.");
2042 else if (peakv
< LF_MARGINAL_V
)
2043 PrintAndLog("# Your LF antenna is marginal.");
2044 if (vHf
< HF_UNUSABLE_V
)
2045 PrintAndLog("# Your HF antenna is unusable.");
2046 else if (vHf
< HF_MARGINAL_V
)
2047 PrintAndLog("# Your HF antenna is marginal.");
2049 if (peakv
>= LF_UNUSABLE_V
) {
2050 for (int i
= 0; i
< 256; i
++) {
2051 GraphBuffer
[i
] = resp
.d
.asBytes
[i
] - 128;
2053 PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n");
2055 GraphTraceLen
= 256;
2057 RepaintGraphWindow();
2064 int CmdLoad(const char *Cmd
)
2066 char filename
[FILE_PATH_SIZE
] = {0x00};
2070 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2071 memcpy(filename
, Cmd
, len
);
2073 FILE *f
= fopen(filename
, "r");
2075 PrintAndLog("couldn't open '%s'", filename
);
2081 while (fgets(line
, sizeof (line
), f
)) {
2082 GraphBuffer
[GraphTraceLen
] = atoi(line
);
2086 PrintAndLog("loaded %d samples", GraphTraceLen
);
2087 RepaintGraphWindow();
2091 int CmdLtrim(const char *Cmd
)
2094 if (GraphTraceLen
<=0) return 0;
2095 for (int i
= ds
; i
< GraphTraceLen
; ++i
)
2096 GraphBuffer
[i
-ds
] = GraphBuffer
[i
];
2097 GraphTraceLen
-= ds
;
2099 RepaintGraphWindow();
2103 // trim graph to input argument length
2104 int CmdRtrim(const char *Cmd
)
2110 RepaintGraphWindow();
2114 int CmdNorm(const char *Cmd
)
2117 int max
= INT_MIN
, min
= INT_MAX
;
2119 for (i
= 10; i
< GraphTraceLen
; ++i
) {
2120 if (GraphBuffer
[i
] > max
)
2121 max
= GraphBuffer
[i
];
2122 if (GraphBuffer
[i
] < min
)
2123 min
= GraphBuffer
[i
];
2127 for (i
= 0; i
< GraphTraceLen
; ++i
) {
2128 GraphBuffer
[i
] = (GraphBuffer
[i
] - ((max
+ min
) / 2)) * 256 /
2130 //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work
2133 RepaintGraphWindow();
2137 int CmdPlot(const char *Cmd
)
2143 int CmdSave(const char *Cmd
)
2145 char filename
[FILE_PATH_SIZE
] = {0x00};
2149 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2150 memcpy(filename
, Cmd
, len
);
2153 FILE *f
= fopen(filename
, "w");
2155 PrintAndLog("couldn't open '%s'", filename
);
2159 for (i
= 0; i
< GraphTraceLen
; i
++) {
2160 fprintf(f
, "%d\n", GraphBuffer
[i
]);
2163 PrintAndLog("saved to '%s'", Cmd
);
2167 int CmdScale(const char *Cmd
)
2169 CursorScaleFactor
= atoi(Cmd
);
2170 if (CursorScaleFactor
== 0) {
2171 PrintAndLog("bad, can't have zero scale");
2172 CursorScaleFactor
= 1;
2174 RepaintGraphWindow();
2178 int CmdDirectionalThreshold(const char *Cmd
)
2180 int8_t upThres
= param_get8(Cmd
, 0);
2181 int8_t downThres
= param_get8(Cmd
, 1);
2183 printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres
, downThres
);
2185 int lastValue
= GraphBuffer
[0];
2186 GraphBuffer
[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
2188 for (int i
= 1; i
< GraphTraceLen
; ++i
) {
2189 // Apply first threshold to samples heading up
2190 if (GraphBuffer
[i
] >= upThres
&& GraphBuffer
[i
] > lastValue
)
2192 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2195 // Apply second threshold to samples heading down
2196 else if (GraphBuffer
[i
] <= downThres
&& GraphBuffer
[i
] < lastValue
)
2198 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2199 GraphBuffer
[i
] = -1;
2203 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2204 GraphBuffer
[i
] = GraphBuffer
[i
-1];
2208 GraphBuffer
[0] = GraphBuffer
[1]; // Aline with first edited sample.
2209 RepaintGraphWindow();
2213 int CmdZerocrossings(const char *Cmd
)
2215 // Zero-crossings aren't meaningful unless the signal is zero-mean.
2222 for (int i
= 0; i
< GraphTraceLen
; ++i
) {
2223 if (GraphBuffer
[i
] * sign
>= 0) {
2224 // No change in sign, reproduce the previous sample count.
2226 GraphBuffer
[i
] = lastZc
;
2228 // Change in sign, reset the sample count.
2230 GraphBuffer
[i
] = lastZc
;
2238 RepaintGraphWindow();
2242 int usage_data_bin2hex(){
2243 PrintAndLog("Usage: data bin2hex <binary_digits>");
2244 PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)");
2249 * @brief Utility for conversion via cmdline.
2253 int Cmdbin2hex(const char *Cmd
)
2256 if(param_getptr(Cmd
, &bg
, &en
, 0))
2258 return usage_data_bin2hex();
2260 //Number of digits supplied as argument
2261 size_t length
= en
- bg
+1;
2262 size_t bytelen
= (length
+7) / 8;
2263 uint8_t* arr
= (uint8_t *) malloc(bytelen
);
2264 memset(arr
, 0, bytelen
);
2265 BitstreamOut bout
= { arr
, 0, 0 };
2267 for(; bg
<= en
;bg
++)
2270 if( c
== '1') pushBit(&bout
, 1);
2271 else if( c
== '0') pushBit(&bout
, 0);
2272 else PrintAndLog("Ignoring '%c'", c
);
2275 if(bout
.numbits
% 8 != 0)
2277 printf("[padded with %d zeroes]\n", 8-(bout
.numbits
% 8));
2280 //Uses printf instead of PrintAndLog since the latter
2281 // adds linebreaks to each printout - this way was more convenient since we don't have to
2282 // allocate a string and write to that first...
2283 for(size_t x
= 0; x
< bytelen
; x
++)
2285 printf("%02X", arr
[x
]);
2292 int usage_data_hex2bin(){
2294 PrintAndLog("Usage: data bin2hex <binary_digits>");
2295 PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
2300 int Cmdhex2bin(const char *Cmd
)
2303 if(param_getptr(Cmd
, &bg
, &en
, 0))
2305 return usage_data_hex2bin();
2313 if (x
>= 'a' && x
<= 'f')
2315 // convert to numeric value
2316 if (x
>= '0' && x
<= '9')
2318 else if (x
>= 'A' && x
<= 'F')
2323 //Uses printf instead of PrintAndLog since the latter
2324 // adds linebreaks to each printout - this way was more convenient since we don't have to
2325 // allocate a string and write to that first...
2327 for(int i
= 0 ; i
< 4 ; ++i
)
2328 printf("%d",(x
>> (3 - i
)) & 1);
2335 static command_t CommandTable
[] =
2337 {"help", CmdHelp
, 1, "This help"},
2338 {"askedgedetect", CmdAskEdgeDetect
, 1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
2339 {"askem410xdemod", CmdAskEM410xDemod
, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
2340 {"askgproxiidemod", CmdG_Prox_II_Demod
, 1, "Demodulate a G Prox II tag from GraphBuffer"},
2341 {"askvikingdemod", CmdVikingDemod
, 1, "Demodulate a Viking AM tag from GraphBuffer"},
2342 {"autocorr", CmdAutoCorr
, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
2343 {"biphaserawdecode",CmdBiphaseDecodeRaw
,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
2344 {"bin2hex", Cmdbin2hex
, 1, "bin2hex <digits> -- Converts binary to hexadecimal"},
2345 {"bitsamples", CmdBitsamples
, 0, "Get raw samples as bitstring"},
2346 {"buffclear", CmdBuffClear
, 1, "Clear sample buffer and graph window"},
2347 {"dec", CmdDec
, 1, "Decimate samples"},
2348 {"detectclock", CmdDetectClockRate
, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
2349 {"fdxbdemod", CmdFDXBdemodBI
, 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
2350 {"fskawiddemod", CmdFSKdemodAWID
, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
2351 //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
2352 {"fskhiddemod", CmdFSKdemodHID
, 1, "Demodulate a HID FSK tag from GraphBuffer"},
2353 {"fskiodemod", CmdFSKdemodIO
, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
2354 {"fskpyramiddemod", CmdFSKdemodPyramid
, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
2355 {"fskparadoxdemod", CmdFSKdemodParadox
, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
2356 {"getbitstream", CmdGetBitStream
, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
2357 {"grid", CmdGrid
, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
2358 {"hexsamples", CmdHexsamples
, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
2359 {"hex2bin", Cmdhex2bin
, 1, "hex2bin <hexadecimal> -- Converts hexadecimal to binary"},
2360 {"hide", CmdHide
, 1, "Hide graph window"},
2361 {"hpf", CmdHpf
, 1, "Remove DC offset from trace"},
2362 {"load", CmdLoad
, 1, "<filename> -- Load trace (to graph window"},
2363 {"ltrim", CmdLtrim
, 1, "<samples> -- Trim samples from left of trace"},
2364 {"rtrim", CmdRtrim
, 1, "<location to end trace> -- Trim samples from right of trace"},
2365 {"manrawdecode", Cmdmandecoderaw
, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
2366 {"norm", CmdNorm
, 1, "Normalize max/min to +/-128"},
2367 {"plot", CmdPlot
, 1, "Show graph window (hit 'h' in window for keystroke help)"},
2368 {"printdemodbuffer",CmdPrintDemodBuff
, 1, "[x] [o] <offset> -- print the data in the DemodBuffer - 'x' for hex output"},
2369 {"pskindalademod", CmdIndalaDecode
, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
2370 {"psknexwatchdemod",CmdPSKNexWatch
, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
2371 {"rawdemod", CmdRawDemod
, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
2372 {"samples", CmdSamples
, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
2373 {"save", CmdSave
, 1, "<filename> -- Save trace (from graph window)"},
2374 {"scale", CmdScale
, 1, "<int> -- Set cursor display scale"},
2375 {"setdebugmode", CmdSetDebugMode
, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
2376 {"shiftgraphzero", CmdGraphShiftZero
, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
2377 {"dirthreshold", CmdDirectionalThreshold
, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
2378 {"tune", CmdTuneSamples
, 0, "Get hw tune samples for graph window"},
2379 {"undec", CmdUndec
, 1, "Un-decimate samples by 2"},
2380 {"zerocrossings", CmdZerocrossings
, 1, "Count time between zero-crossings"},
2381 {NULL
, NULL
, 0, NULL
}
2384 int CmdData(const char *Cmd
)
2386 CmdsParse(CommandTable
, Cmd
);
2390 int CmdHelp(const char *Cmd
)
2392 CmdsHelp(CommandTable
);