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> l <length>");
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");
66 PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively");
71 void printDemodBuff(void)
73 int bitLen
= DemodBufferLen
;
75 PrintAndLog("no bits found in demod buffer");
78 if (bitLen
>512) bitLen
=512; //max output to 512 bits if we have more - should be plenty
80 char *bin
= sprint_bin_break(DemodBuffer
,bitLen
,16);
81 PrintAndLog("%s",bin
);
86 int CmdPrintDemodBuff(const char *Cmd
)
91 uint32_t offset
= 0; //could be size_t but no param_get16...
92 uint32_t length
= 512;
94 while(param_getchar(Cmd
, cmdp
) != 0x00)
96 switch(param_getchar(Cmd
, cmdp
))
100 return usage_data_printdemodbuf();
108 offset
= param_get32ex(Cmd
, cmdp
+1, 0, 10);
109 if (!offset
) errors
= true;
114 length
= param_get32ex(Cmd
, cmdp
+1, 512, 10);
115 if (!length
) errors
= true;
119 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
126 if(errors
) return usage_data_printdemodbuf();
127 length
= (length
> (DemodBufferLen
-offset
)) ? DemodBufferLen
-offset
: length
;
128 int numBits
= (length
) & 0x00FFC; //make sure we don't exceed our string
131 char *buf
= (char *) (DemodBuffer
+ offset
);
132 numBits
= (numBits
> sizeof(hex
)) ? sizeof(hex
) : numBits
;
133 numBits
= binarraytohex(hex
, buf
, numBits
);
134 if (numBits
==0) return 0;
135 PrintAndLog("DemodBuffer: %s",hex
);
137 PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer
+offset
,numBits
,16));
143 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
144 int CmdGetBitStream(const char *Cmd
)
148 for (i
= 0; i
< GraphTraceLen
; i
++) {
149 if (GraphBuffer
[i
] >= 1) {
155 RepaintGraphWindow();
160 //print 64 bit EM410x ID in multiple formats
161 void printEM410x(uint32_t hi
, uint64_t id
)
168 for (ii
=5; ii
>0;ii
--){
170 id2lo
=(id2lo
<<1LL) | ((id
& (iii
<< (i
+((ii
-1)*8)))) >> (i
+((ii
-1)*8)));
174 //output 88 bit em id
175 PrintAndLog("\nEM TAG ID : %06X%016llX", hi
, id
);
177 //output 40 bit em id
178 PrintAndLog("\nEM TAG ID : %010llX", id
);
179 PrintAndLog("Unique TAG ID : %010llX", id2lo
);
180 PrintAndLog("\nPossible de-scramble patterns");
181 PrintAndLog("HoneyWell IdentKey {");
182 PrintAndLog("DEZ 8 : %08lld",id
& 0xFFFFFF);
183 PrintAndLog("DEZ 10 : %010lld",id
& 0xFFFFFFFF);
184 PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id
>>16LL) & 0xFFFF,(id
& 0xFFFF));
185 PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id
>>32ll),(id
& 0xFFFF));
186 PrintAndLog("DEZ 3.5B : %03lld.%05lld",(id
& 0xFF000000) >> 24,(id
& 0xFFFF));
187 PrintAndLog("DEZ 3.5C : %03lld.%05lld",(id
& 0xFF0000) >> 16,(id
& 0xFFFF));
188 PrintAndLog("DEZ 14/IK2 : %014lld",id
);
189 PrintAndLog("DEZ 15/IK3 : %015lld",id2lo
);
190 PrintAndLog("DEZ 20/ZK : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld",
191 (id2lo
& 0xf000000000) >> 36,
192 (id2lo
& 0x0f00000000) >> 32,
193 (id2lo
& 0x00f0000000) >> 28,
194 (id2lo
& 0x000f000000) >> 24,
195 (id2lo
& 0x0000f00000) >> 20,
196 (id2lo
& 0x00000f0000) >> 16,
197 (id2lo
& 0x000000f000) >> 12,
198 (id2lo
& 0x0000000f00) >> 8,
199 (id2lo
& 0x00000000f0) >> 4,
200 (id2lo
& 0x000000000f)
202 uint64_t paxton
= (((id
>>32) << 24) | (id
& 0xffffff)) + 0x143e00;
203 PrintAndLog("}\nOther : %05lld_%03lld_%08lld",(id
&0xFFFF),((id
>>16LL) & 0xFF),(id
& 0xFFFFFF));
204 PrintAndLog("Pattern Paxton : %lld [0x%llX]", paxton
, paxton
);
206 uint32_t p1id
= (id
& 0xFFFFFF);
207 uint8_t arr
[32] = {0x00};
210 for (; i
< 24; ++i
, --j
){
211 arr
[i
] = (p1id
>> i
) & 1;
245 PrintAndLog("Pattern 1 : %d [0x%X]", p1
, p1
);
247 uint16_t sebury1
= id
& 0xFFFF;
248 uint8_t sebury2
= (id
>> 16) & 0x7F;
249 uint32_t sebury3
= id
& 0x7FFFFF;
250 PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1
, sebury2
, sebury3
, sebury1
, sebury2
, sebury3
);
256 int AskEm410xDecode(bool verbose
, uint32_t *hi
, uint64_t *lo
)
259 size_t BitLen
= DemodBufferLen
;
260 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
261 memcpy(BitStream
, DemodBuffer
, BitLen
);
262 if (Em410xDecode(BitStream
, &BitLen
, &idx
, hi
, lo
)){
263 //set GraphBuffer for clone or sim command
264 setDemodBuf(BitStream
, BitLen
, idx
);
266 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
270 PrintAndLog("EM410x pattern found: ");
271 printEM410x(*hi
, *lo
);
278 int AskEm410xDemod(const char *Cmd
, uint32_t *hi
, uint64_t *lo
, bool verbose
)
280 if (!ASKDemod(Cmd
, FALSE
, FALSE
, 1)) return 0;
281 return AskEm410xDecode(verbose
, hi
, lo
);
285 //takes 3 arguments - clock, invert and maxErr as integers
286 //attempts to demodulate ask while decoding manchester
287 //prints binary found and saves in graphbuffer for further commands
288 int CmdAskEM410xDemod(const char *Cmd
)
290 char cmdp
= param_getchar(Cmd
, 0);
291 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
292 PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]");
293 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
294 PrintAndLog(" <invert>, 1 for invert output");
295 PrintAndLog(" [set maximum allowed errors], default = 100.");
297 PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer");
298 PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
299 PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
300 PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data");
301 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");
306 return AskEm410xDemod(Cmd
, &hi
, &lo
, true);
310 //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
311 // (amp may not be needed anymore)
312 //verbose will print results and demoding messages
313 //emSearch will auto search for EM410x format in bitstream
314 //askType switches decode: ask/raw = 0, ask/manchester = 1
315 int ASKDemod(const char *Cmd
, bool verbose
, bool emSearch
, uint8_t askType
)
322 char amp
= param_getchar(Cmd
, 0);
323 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
324 sscanf(Cmd
, "%i %i %i %i %c", &clk
, &invert
, &maxErr
, &maxLen
, &
);
325 if (!maxLen
) maxLen
= BIGBUF_SIZE
;
326 if (invert
!= 0 && invert
!= 1) {
327 PrintAndLog("Invalid argument: %s", Cmd
);
334 if (amp
== 'a' || amp
== 'A') askAmp
=1;
335 size_t BitLen
= getFromGraphBuf(BitStream
);
336 if (g_debugMode
) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen
);
337 if (BitLen
<255) return 0;
338 if (maxLen
<BitLen
&& maxLen
!= 0) BitLen
= maxLen
;
340 int errCnt
= askdemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
, askAmp
, askType
);
341 if (errCnt
<0 || BitLen
<16){ //if fatal error (or -1)
342 if (g_debugMode
) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt
,invert
,BitLen
,clk
);
346 if (g_debugMode
) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt
, BitLen
, clk
);
349 if (verbose
|| g_debugMode
) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
352 setDemodBuf(BitStream
,BitLen
,0);
353 if (verbose
|| g_debugMode
){
354 if (errCnt
>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
355 if (askType
) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk
);
356 else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk
);
357 // Now output the bitstream to the scrollback by line of 16 bits
364 AskEm410xDecode(true, &hi
, &lo
);
370 //takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
371 //attempts to demodulate ask while decoding manchester
372 //prints binary found and saves in graphbuffer for further commands
373 int Cmdaskmandemod(const char *Cmd
)
375 char cmdp
= param_getchar(Cmd
, 0);
376 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
377 PrintAndLog("Usage: data rawdemod am [clock] <invert> [maxError] [maxLen] [amplify]");
378 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
379 PrintAndLog(" <invert>, 1 to invert output");
380 PrintAndLog(" [set maximum allowed errors], default = 100");
381 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
382 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
384 PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer");
385 PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
386 PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
387 PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data");
388 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");
391 return ASKDemod(Cmd
, TRUE
, TRUE
, 1);
396 //stricktly take 10 and 01 and convert to 0 and 1
397 int Cmdmandecoderaw(const char *Cmd
)
404 char cmdp
= param_getchar(Cmd
, 0);
405 if (strlen(Cmd
) > 5 || cmdp
== 'h' || cmdp
== 'H') {
406 PrintAndLog("Usage: data manrawdecode [invert] [maxErr]");
407 PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively");
408 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
409 PrintAndLog(" [invert] invert output");
410 PrintAndLog(" [maxErr] set number of errors allowed (default = 20)");
412 PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer");
415 if (DemodBufferLen
==0) return 0;
416 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
418 for (;i
<DemodBufferLen
;++i
){
419 if (DemodBuffer
[i
]>high
) high
=DemodBuffer
[i
];
420 else if(DemodBuffer
[i
]<low
) low
=DemodBuffer
[i
];
421 BitStream
[i
]=DemodBuffer
[i
];
423 if (high
>7 || low
<0 ){
424 PrintAndLog("Error: please raw demod the wave first then manchester raw decode");
428 sscanf(Cmd
, "%i %i", &invert
, &maxErr
);
430 errCnt
=manrawdecode(BitStream
, &size
, invert
);
432 PrintAndLog("Too many errors: %d",errCnt
);
435 PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt
);
436 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
441 if (Em410xDecode(BitStream
, &size
, &idx
, &hi
, &id
)){
442 //need to adjust to set bitstream back to manchester encoded data
443 //setDemodBuf(BitStream, size, idx);
453 //take 01 or 10 = 0 and 11 or 00 = 1
454 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
455 // and "invert" default = 0 if 1 it will invert output
456 // the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects]
457 int CmdBiphaseDecodeRaw(const char *Cmd
)
460 int offset
=0, invert
=0, maxErr
=20, errCnt
=0;
461 char cmdp
= param_getchar(Cmd
, 0);
462 if (strlen(Cmd
) > 3 || cmdp
== 'h' || cmdp
== 'H') {
463 PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]");
464 PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0");
465 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
466 PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
468 PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
469 PrintAndLog(" [invert <0|1>], set to 1 to invert output");
470 PrintAndLog(" [maxErr int], set max errors tolerated - default=20");
472 PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer");
473 PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
476 sscanf(Cmd
, "%i %i %i", &offset
, &invert
, &maxErr
);
477 if (DemodBufferLen
==0){
478 PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first");
481 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
482 memcpy(BitStream
, DemodBuffer
, DemodBufferLen
);
483 size
= DemodBufferLen
;
484 errCnt
=BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
486 PrintAndLog("Error during decode:%d", errCnt
);
490 PrintAndLog("Too many errors attempting to decode: %d",errCnt
);
495 PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt
);
497 PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset
,invert
);
498 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
500 if (offset
) setDemodBuf(DemodBuffer
,DemodBufferLen
-offset
, offset
); //remove first bit from raw demod
505 // - ASK Demod then Biphase decode GraphBuffer samples
506 int ASKbiphaseDemod(const char *Cmd
, bool verbose
)
508 //ask raw demod GraphBuffer first
509 int offset
=0, clk
=0, invert
=0, maxErr
=0;
510 sscanf(Cmd
, "%i %i %i %i", &offset
, &clk
, &invert
, &maxErr
);
512 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
513 size_t size
= getFromGraphBuf(BitStream
);
514 //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
515 int errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
516 if ( errCnt
< 0 || errCnt
> maxErr
) {
517 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
521 //attempt to Biphase decode BitStream
522 errCnt
= BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
524 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
527 if (errCnt
> maxErr
) {
528 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt
);
531 //success set DemodBuffer and return
532 setDemodBuf(BitStream
, size
, 0);
533 if (g_debugMode
|| verbose
){
534 PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset
,clk
,errCnt
);
539 //by marshmellow - see ASKbiphaseDemod
540 int Cmdaskbiphdemod(const char *Cmd
)
542 char cmdp
= param_getchar(Cmd
, 0);
543 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
544 PrintAndLog("Usage: data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>");
545 PrintAndLog(" [offset], offset to begin biphase, default=0");
546 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
547 PrintAndLog(" <invert>, 1 to invert output");
548 PrintAndLog(" [set maximum allowed errors], default = 100");
549 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
550 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
551 PrintAndLog(" NOTE: <invert> can be entered as second or third argument");
552 PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument");
553 PrintAndLog(" NOTE: any other arg must have previous args set to work");
555 PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
557 PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer");
558 PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified");
559 PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
560 PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
561 PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data");
562 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");
563 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");
566 return ASKbiphaseDemod(Cmd
, TRUE
);
570 //attempts to demodulate and identify a G_Prox_II verex/chubb card
571 //WARNING: if it fails during some points it will destroy the DemodBuffer data
572 // but will leave the GraphBuffer intact.
573 //if successful it will push askraw data back to demod buffer ready for emulation
574 int CmdG_Prox_II_Demod(const char *Cmd
)
576 if (!ASKbiphaseDemod(Cmd
, FALSE
)){
577 if (g_debugMode
) PrintAndLog("ASKbiphaseDemod failed 1st try");
580 size_t size
= DemodBufferLen
;
581 //call lfdemod.c demod for gProxII
582 int ans
= gProxII_Demod(DemodBuffer
, &size
);
584 if (g_debugMode
) PrintAndLog("Error gProxII_Demod");
588 uint32_t ByteStream
[65] = {0x00};
593 size_t startIdx
= ans
+ 6; //start after preamble
594 for (size_t idx
= 0; idx
<size
-6; idx
++){
595 if ((idx
+1) % 5 == 0){
596 //spacer bit - should be 0
597 if (DemodBuffer
[startIdx
+idx
] != 0) {
598 if (g_debugMode
) PrintAndLog("Error spacer not 0: %d, pos: %d",DemodBuffer
[startIdx
+idx
],startIdx
+idx
);
603 if (keyCnt
<8){ //lsb first
604 xorKey
= xorKey
| (DemodBuffer
[startIdx
+idx
]<<keyCnt
);
606 if (keyCnt
==8 && g_debugMode
) PrintAndLog("xorKey Found: %02x", xorKey
);
610 ByteStream
[ByteCnt
] = ByteStream
[ByteCnt
] | (DemodBuffer
[startIdx
+idx
]<<bitCnt
);
612 if (bitCnt
% 8 == 0){
613 if (g_debugMode
) PrintAndLog("byte %d: %02x",ByteCnt
,ByteStream
[ByteCnt
]);
618 for (uint8_t i
= 0; i
< ByteCnt
; i
++){
619 ByteStream
[i
] ^= xorKey
; //xor
620 if (g_debugMode
) PrintAndLog("byte %d after xor: %02x", i
, ByteStream
[i
]);
622 //now ByteStream contains 64 bytes of decrypted raw tag data
624 uint8_t fmtLen
= ByteStream
[0]>>2;
627 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
,32);
628 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
629 uint32_t raw3
= bytebits_to_byte(DemodBuffer
+ans
+64, 32);
632 FC
= ((ByteStream
[3] & 0x7F)<<7) | (ByteStream
[4]>>1);
633 Card
= ((ByteStream
[4]&1)<<19) | (ByteStream
[5]<<11) | (ByteStream
[6]<<3) | (ByteStream
[7]>>5);
634 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
635 } else if(fmtLen
==26){
636 FC
= ((ByteStream
[3] & 0x7F)<<1) | (ByteStream
[4]>>7);
637 Card
= ((ByteStream
[4]&0x7F)<<9) | (ByteStream
[5]<<1) | (ByteStream
[6]>>7);
638 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
640 PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",fmtLen
);
642 PrintAndLog("Raw: %08x%08x%08x", raw1
,raw2
,raw3
);
643 setDemodBuf(DemodBuffer
+ans
, 96, 0);
648 //see ASKDemod for what args are accepted
649 int CmdVikingDemod(const char *Cmd
)
651 if (!ASKDemod(Cmd
, false, false, 1)) {
652 if (g_debugMode
) PrintAndLog("ASKDemod failed");
655 size_t size
= DemodBufferLen
;
656 //call lfdemod.c demod for Viking
657 int ans
= VikingDemod_AM(DemodBuffer
, &size
);
659 if (g_debugMode
) PrintAndLog("Error Viking_Demod %d", ans
);
663 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
, 32);
664 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
665 uint32_t cardid
= bytebits_to_byte(DemodBuffer
+ans
+24, 32);
666 uint8_t checksum
= bytebits_to_byte(DemodBuffer
+ans
+32+24, 8);
667 PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid
, checksum
);
668 PrintAndLog("Raw: %08X%08X", raw1
,raw2
);
669 setDemodBuf(DemodBuffer
+ans
, 64, 0);
673 //by marshmellow - see ASKDemod
674 int Cmdaskrawdemod(const char *Cmd
)
676 char cmdp
= param_getchar(Cmd
, 0);
677 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H') {
678 PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]");
679 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
680 PrintAndLog(" <invert>, 1 to invert output");
681 PrintAndLog(" [set maximum allowed errors], default = 100");
682 PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)");
683 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
685 PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer");
686 PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified");
687 PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32");
688 PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
689 PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data");
690 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");
691 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");
694 return ASKDemod(Cmd
, TRUE
, FALSE
, 0);
697 int AutoCorrelate(int window
, bool SaveGrph
, bool verbose
)
699 static int CorrelBuffer
[MAX_GRAPH_TRACE_LEN
];
700 size_t Correlation
= 0;
703 if (verbose
) PrintAndLog("performing %d correlations", GraphTraceLen
- window
);
704 for (int i
= 0; i
< GraphTraceLen
- window
; ++i
) {
706 for (int j
= 0; j
< window
; ++j
) {
707 sum
+= (GraphBuffer
[j
]*GraphBuffer
[i
+ j
]) / 256;
709 CorrelBuffer
[i
] = sum
;
710 if (sum
>= maxSum
-100 && sum
<= maxSum
+100){
712 Correlation
= i
-lastMax
;
714 if (sum
> maxSum
) maxSum
= sum
;
715 } else if (sum
> maxSum
){
721 //try again with wider margin
722 for (int i
= 0; i
< GraphTraceLen
- window
; i
++){
723 if (CorrelBuffer
[i
] >= maxSum
-(maxSum
*0.05) && CorrelBuffer
[i
] <= maxSum
+(maxSum
*0.05)){
725 Correlation
= i
-lastMax
;
727 //if (CorrelBuffer[i] > maxSum) maxSum = sum;
731 if (verbose
&& Correlation
> 0) PrintAndLog("Possible Correlation: %d samples",Correlation
);
734 GraphTraceLen
= GraphTraceLen
- window
;
735 memcpy(GraphBuffer
, CorrelBuffer
, GraphTraceLen
* sizeof (int));
736 RepaintGraphWindow();
741 int usage_data_autocorr(void)
744 PrintAndLog("Usage: data autocorr [window] [g]");
745 PrintAndLog("Options: ");
746 PrintAndLog(" h This help");
747 PrintAndLog(" [window] window length for correlation - default = 4000");
748 PrintAndLog(" g save back to GraphBuffer (overwrite)");
752 int CmdAutoCorr(const char *Cmd
)
754 char cmdp
= param_getchar(Cmd
, 0);
755 if (cmdp
== 'h' || cmdp
== 'H')
756 return usage_data_autocorr();
757 int window
= 4000; //set default
759 bool updateGrph
= FALSE
;
760 sscanf(Cmd
, "%i %c", &window
, &grph
);
762 if (window
>= GraphTraceLen
) {
763 PrintAndLog("window must be smaller than trace (%d samples)",
767 if (grph
== 'g') updateGrph
=TRUE
;
768 return AutoCorrelate(window
, updateGrph
, TRUE
);
771 int CmdBitsamples(const char *Cmd
)
776 GetFromBigBuf(got
,sizeof(got
),0);
777 WaitForResponse(CMD_ACK
,NULL
);
779 for (int j
= 0; j
< sizeof(got
); j
++) {
780 for (int k
= 0; k
< 8; k
++) {
781 if(got
[j
] & (1 << (7 - k
))) {
782 GraphBuffer
[cnt
++] = 1;
784 GraphBuffer
[cnt
++] = 0;
789 RepaintGraphWindow();
793 int CmdBuffClear(const char *Cmd
)
795 UsbCommand c
= {CMD_BUFF_CLEAR
};
801 int CmdDec(const char *Cmd
)
803 for (int i
= 0; i
< (GraphTraceLen
/ 2); ++i
)
804 GraphBuffer
[i
] = GraphBuffer
[i
* 2];
806 PrintAndLog("decimated by 2");
807 RepaintGraphWindow();
811 * Undecimate - I'd call it 'interpolate', but we'll save that
812 * name until someone does an actual interpolation command, not just
813 * blindly repeating samples
817 int CmdUndec(const char *Cmd
)
819 if(param_getchar(Cmd
, 0) == 'h')
821 PrintAndLog("Usage: data undec [factor]");
822 PrintAndLog("This function performs un-decimation, by repeating each sample N times");
823 PrintAndLog("Options: ");
824 PrintAndLog(" h This help");
825 PrintAndLog(" factor The number of times to repeat each sample.[default:2]");
826 PrintAndLog("Example: 'data undec 3'");
830 uint8_t factor
= param_get8ex(Cmd
, 0,2, 10);
831 //We have memory, don't we?
832 int swap
[MAX_GRAPH_TRACE_LEN
] = { 0 };
833 uint32_t g_index
= 0 ,s_index
= 0;
834 while(g_index
< GraphTraceLen
&& s_index
< MAX_GRAPH_TRACE_LEN
)
837 for(count
= 0; count
< factor
&& s_index
+count
< MAX_GRAPH_TRACE_LEN
; count
++)
838 swap
[s_index
+count
] = GraphBuffer
[g_index
];
842 memcpy(GraphBuffer
,swap
, s_index
* sizeof(int));
843 GraphTraceLen
= s_index
;
844 RepaintGraphWindow();
849 //shift graph zero up or down based on input + or -
850 int CmdGraphShiftZero(const char *Cmd
)
854 //set options from parameters entered with the command
855 sscanf(Cmd
, "%i", &shift
);
857 for(int i
= 0; i
<GraphTraceLen
; i
++){
858 shiftedVal
=GraphBuffer
[i
]+shift
;
861 else if (shiftedVal
<-127)
863 GraphBuffer
[i
]= shiftedVal
;
870 //use large jumps in read samples to identify edges of waves and then amplify that wave to max
871 //similar to dirtheshold, threshold commands
872 //takes a threshold length which is the measured length between two samples then determines an edge
873 int CmdAskEdgeDetect(const char *Cmd
)
876 sscanf(Cmd
, "%i", &thresLen
);
878 for(int i
= 1; i
<GraphTraceLen
; i
++){
879 if (GraphBuffer
[i
]-GraphBuffer
[i
-1]>=thresLen
) //large jump up
880 GraphBuffer
[i
-1] = 127;
881 else if(GraphBuffer
[i
]-GraphBuffer
[i
-1]<=-1*thresLen
) //large jump down
882 GraphBuffer
[i
-1] = -127;
884 RepaintGraphWindow();
888 /* Print our clock rate */
889 // uses data from graphbuffer
890 // adjusted to take char parameter for type of modulation to find the clock - by marshmellow.
891 int CmdDetectClockRate(const char *Cmd
)
893 char cmdp
= param_getchar(Cmd
, 0);
894 if (strlen(Cmd
) > 6 || strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H') {
895 PrintAndLog("Usage: data detectclock [modulation] <clock>");
896 PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of");
897 PrintAndLog(" <clock> , specify the clock (optional - to get best start position only)");
898 PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
900 PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer");
901 PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer");
902 PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer");
903 PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer");
907 ans
= GetAskClock(Cmd
+1, true, false);
908 } else if (cmdp
== 'f'){
909 ans
= GetFskClock("", true, false);
910 } else if (cmdp
== 'n'){
911 ans
= GetNrzClock("", true, false);
912 } else if (cmdp
== 'p'){
913 ans
= GetPskClock("", true, false);
915 PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help");
920 char *GetFSKType(uint8_t fchigh
, uint8_t fclow
, uint8_t invert
)
922 static char fType
[8];
923 char *fskType
= fType
;
924 if (fchigh
==10 && fclow
==8){
929 } else if (fchigh
== 8 && fclow
== 5) {
941 //fsk raw demod and print binary
942 //takes 4 arguments - Clock, invert, fchigh, fclow
943 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
944 int FSKrawDemod(const char *Cmd
, bool verbose
)
946 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
947 uint8_t rfLen
, invert
, fchigh
, fclow
;
949 //set options from parameters entered with the command
950 rfLen
= param_get8(Cmd
, 0);
951 invert
= param_get8(Cmd
, 1);
952 fchigh
= param_get8(Cmd
, 2);
953 fclow
= param_get8(Cmd
, 3);
954 if (strlen(Cmd
)>0 && strlen(Cmd
)<=2) {
956 invert
= 1; //if invert option only is used
960 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
961 size_t BitLen
= getFromGraphBuf(BitStream
);
962 if (BitLen
==0) return 0;
963 if (g_debugMode
==2) PrintAndLog("DEBUG: Got samples");
964 //get field clock lengths
966 if (!fchigh
|| !fclow
) {
967 fcs
= countFC(BitStream
, BitLen
, 1);
972 fchigh
= (fcs
>> 8) & 0x00FF;
973 fclow
= fcs
& 0x00FF;
976 //get bit clock length
978 rfLen
= detectFSKClk(BitStream
, BitLen
, fchigh
, fclow
);
979 if (!rfLen
) rfLen
= 50;
981 int size
= fskdemod(BitStream
, BitLen
, rfLen
, invert
, fchigh
, fclow
);
983 setDemodBuf(BitStream
,size
,0);
985 // Now output the bitstream to the scrollback by line of 16 bits
986 if (verbose
|| g_debugMode
) {
987 PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen
, (unsigned int)invert
, (unsigned int)fchigh
, (unsigned int)fclow
);
988 PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh
,fclow
,invert
));
993 if (g_debugMode
) PrintAndLog("no FSK data found");
999 //fsk raw demod and print binary
1000 //takes 4 arguments - Clock, invert, fchigh, fclow
1001 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
1002 int CmdFSKrawdemod(const char *Cmd
)
1004 char cmdp
= param_getchar(Cmd
, 0);
1005 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1006 PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]");
1007 PrintAndLog(" [set clock as integer] optional, omit for autodetect.");
1008 PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted");
1009 PrintAndLog(" [fchigh], larger field clock length, omit for autodetect");
1010 PrintAndLog(" [fclow], small field clock length, omit for autodetect");
1012 PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect");
1013 PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
1014 PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output");
1015 PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
1016 PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer");
1017 PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
1018 PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
1021 return FSKrawDemod(Cmd
, TRUE
);
1024 //by marshmellow (based on existing demod + holiman's refactor)
1025 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
1026 //print full HID Prox ID and some bit format details if found
1027 int CmdFSKdemodHID(const char *Cmd
)
1029 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1030 uint32_t hi2
=0, hi
=0, lo
=0;
1032 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1033 size_t BitLen
= getFromGraphBuf(BitStream
);
1034 if (BitLen
==0) return 0;
1035 //get binary from fsk wave
1036 int idx
= HIDdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1040 PrintAndLog("DEBUG: Just Noise Detected");
1041 } else if (idx
== -2) {
1042 PrintAndLog("DEBUG: Error demoding fsk");
1043 } else if (idx
== -3) {
1044 PrintAndLog("DEBUG: Preamble not found");
1045 } else if (idx
== -4) {
1046 PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen
);
1048 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1053 if (hi2
==0 && hi
==0 && lo
==0) {
1054 if (g_debugMode
) PrintAndLog("DEBUG: Error - no values found");
1057 if (hi2
!= 0){ //extra large HID tags
1058 PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
1059 (unsigned int) hi2
, (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF);
1061 else { //standard HID tags <38 bits
1064 uint32_t cardnum
= 0;
1065 if (((hi
>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
1067 lo2
=(((hi
& 31) << 12) | (lo
>>20)); //get bits 21-37 to check for format len bit
1069 while(lo2
>1){ //find last bit set to 1 (format len bit)
1077 cardnum
= (lo
>>1)&0xFFFF;
1081 cardnum
= (lo
>>1)&0xFFFF;
1082 fc
= ((hi
&1)<<15)|(lo
>>17);
1085 cardnum
= (lo
>>1)&0xFFFFF;
1086 fc
= ((hi
&1)<<11)|(lo
>>21);
1089 else { //if bit 38 is not set then 37 bit format is used
1094 cardnum
= (lo
>>1)&0x7FFFF;
1095 fc
= ((hi
&0xF)<<12)|(lo
>>20);
1098 PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
1099 (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF,
1100 (unsigned int) fmtLen
, (unsigned int) fc
, (unsigned int) cardnum
);
1102 setDemodBuf(BitStream
,BitLen
,idx
);
1104 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
1111 //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
1112 //print full Paradox Prox ID and some bit format details if found
1113 int CmdFSKdemodParadox(const char *Cmd
)
1115 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1116 uint32_t hi2
=0, hi
=0, lo
=0;
1118 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1119 size_t BitLen
= getFromGraphBuf(BitStream
);
1120 if (BitLen
==0) return 0;
1121 //get binary from fsk wave
1122 int idx
= ParadoxdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1126 PrintAndLog("DEBUG: Just Noise Detected");
1127 } else if (idx
== -2) {
1128 PrintAndLog("DEBUG: Error demoding fsk");
1129 } else if (idx
== -3) {
1130 PrintAndLog("DEBUG: Preamble not found");
1131 } else if (idx
== -4) {
1132 PrintAndLog("DEBUG: Error in Manchester data");
1134 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1139 if (hi2
==0 && hi
==0 && lo
==0){
1140 if (g_debugMode
) PrintAndLog("DEBUG: Error - no value found");
1143 uint32_t fc
= ((hi
& 0x3)<<6) | (lo
>>26);
1144 uint32_t cardnum
= (lo
>>10)&0xFFFF;
1145 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1146 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1147 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1149 PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
1150 hi
>>10, (hi
& 0x3)<<26 | (lo
>>10), fc
, cardnum
, (lo
>>2) & 0xFF, rawHi2
, rawHi
, rawLo
);
1151 setDemodBuf(BitStream
,BitLen
,idx
);
1153 PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx
, BitLen
);
1160 //IO-Prox demod - FSK RF/64 with preamble of 000000001
1161 //print ioprox ID and some format details
1162 int CmdFSKdemodIO(const char *Cmd
)
1165 //something in graphbuffer?
1166 if (GraphTraceLen
< 65) {
1167 if (g_debugMode
)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
1170 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1171 size_t BitLen
= getFromGraphBuf(BitStream
);
1172 if (BitLen
==0) return 0;
1174 //get binary from fsk wave
1175 idx
= IOdemodFSK(BitStream
,BitLen
);
1179 PrintAndLog("DEBUG: Just Noise Detected");
1180 } else if (idx
== -2) {
1181 PrintAndLog("DEBUG: not enough samples");
1182 } else if (idx
== -3) {
1183 PrintAndLog("DEBUG: error during fskdemod");
1184 } else if (idx
== -4) {
1185 PrintAndLog("DEBUG: Preamble not found");
1186 } else if (idx
== -5) {
1187 PrintAndLog("DEBUG: Separator bits not found");
1189 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1196 PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen
);
1197 if (BitLen
> 92) PrintAndLog("%s", sprint_bin_break(BitStream
,92,16));
1202 //0 10 20 30 40 50 60
1204 //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
1205 //-----------------------------------------------------------------------------
1206 //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
1208 //XSF(version)facility:codeone+codetwo (raw)
1210 if (idx
+64>BitLen
) {
1211 if (g_debugMode
) PrintAndLog("not enough bits found - bitlen: %d",BitLen
);
1214 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]);
1215 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]);
1216 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]);
1217 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]);
1218 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]);
1219 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]);
1220 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]);
1222 uint32_t code
= bytebits_to_byte(BitStream
+idx
,32);
1223 uint32_t code2
= bytebits_to_byte(BitStream
+idx
+32,32);
1224 uint8_t version
= bytebits_to_byte(BitStream
+idx
+27,8); //14,4
1225 uint8_t facilitycode
= bytebits_to_byte(BitStream
+idx
+18,8) ;
1226 uint16_t number
= (bytebits_to_byte(BitStream
+idx
+36,8)<<8)|(bytebits_to_byte(BitStream
+idx
+45,8)); //36,9
1227 uint8_t crc
= bytebits_to_byte(BitStream
+idx
+54,8);
1228 uint16_t calccrc
= 0;
1230 for (uint8_t i
=1; i
<6; ++i
){
1231 calccrc
+= bytebits_to_byte(BitStream
+idx
+9*i
,8);
1234 calccrc
= 0xff - calccrc
;
1236 char *crcStr
= (crc
== calccrc
) ? "crc ok": "!crc";
1238 PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version
,facilitycode
,number
,code
,code2
, crc
, crcStr
);
1239 setDemodBuf(BitStream
,64,idx
);
1241 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx
,64);
1248 //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream)
1249 //print full AWID Prox ID and some bit format details if found
1250 int CmdFSKdemodAWID(const char *Cmd
)
1252 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1253 size_t size
= getFromGraphBuf(BitStream
);
1254 if (size
==0) return 0;
1256 //get binary from fsk wave
1257 int idx
= AWIDdemodFSK(BitStream
, &size
);
1259 if (g_debugMode
==1){
1261 PrintAndLog("DEBUG: Error - not enough samples");
1263 PrintAndLog("DEBUG: Error - only noise found");
1265 PrintAndLog("DEBUG: Error - problem during FSK demod");
1267 PrintAndLog("DEBUG: Error - AWID preamble not found");
1269 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1271 PrintAndLog("DEBUG: Error %d",idx
);
1277 // 0 10 20 30 40 50 60
1279 // 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
1280 // -----------------------------------------------------------------------------
1281 // 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
1282 // 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
1283 // |---26 bit---| |-----117----||-------------142-------------|
1284 // b = format bit len, o = odd parity of last 3 bits
1285 // f = facility code, c = card number
1286 // w = wiegand parity
1287 // (26 bit format shown)
1289 //get raw ID before removing parities
1290 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1291 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1292 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1293 setDemodBuf(BitStream
,96,idx
);
1295 size
= removeParity(BitStream
, idx
+8, 4, 1, 88);
1297 if (g_debugMode
==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
1300 // ok valid card found!
1303 // 0 10 20 30 40 50 60
1305 // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
1306 // -----------------------------------------------------------------------------
1307 // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
1308 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1309 // |26 bit| |-117--| |-----142------|
1310 // b = format bit len, o = odd parity of last 3 bits
1311 // f = facility code, c = card number
1312 // w = wiegand parity
1313 // (26 bit format shown)
1316 uint32_t cardnum
= 0;
1319 uint8_t fmtLen
= bytebits_to_byte(BitStream
,8);
1321 fc
= bytebits_to_byte(BitStream
+9, 8);
1322 cardnum
= bytebits_to_byte(BitStream
+17, 16);
1323 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1324 PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1326 cardnum
= bytebits_to_byte(BitStream
+8+(fmtLen
-17), 16);
1328 code1
= bytebits_to_byte(BitStream
+8,fmtLen
-32);
1329 code2
= bytebits_to_byte(BitStream
+8+(fmtLen
-32),32);
1330 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, code2
, rawHi2
, rawHi
, rawLo
);
1332 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1333 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1337 PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx
, 96);
1340 //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
1345 //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream)
1346 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
1347 int CmdFSKdemodPyramid(const char *Cmd
)
1349 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1350 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1351 size_t size
= getFromGraphBuf(BitStream
);
1352 if (size
==0) return 0;
1354 //get binary from fsk wave
1355 int idx
= PyramiddemodFSK(BitStream
, &size
);
1357 if (g_debugMode
==1){
1359 PrintAndLog("DEBUG: Error - not enough samples");
1361 PrintAndLog("DEBUG: Error - only noise found");
1363 PrintAndLog("DEBUG: Error - problem during FSK demod");
1365 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1367 PrintAndLog("DEBUG: Error - Pyramid preamble not found");
1369 PrintAndLog("DEBUG: Error - idx: %d",idx
);
1374 // 0 10 20 30 40 50 60
1376 // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
1377 // -----------------------------------------------------------------------------
1378 // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
1379 // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
1381 // 64 70 80 90 100 110 120
1383 // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
1384 // -----------------------------------------------------------------------------
1385 // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
1386 // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
1387 // |---115---||---------71---------|
1388 // s = format start bit, o = odd parity of last 7 bits
1389 // f = facility code, c = card number
1390 // w = wiegand parity, x = extra space for other formats
1391 // p = unknown checksum
1392 // (26 bit format shown)
1394 //get bytes for checksum calc
1395 uint8_t checksum
= bytebits_to_byte(BitStream
+ idx
+ 120, 8);
1396 uint8_t csBuff
[14] = {0x00};
1397 for (uint8_t i
= 0; i
< 13; i
++){
1398 csBuff
[i
] = bytebits_to_byte(BitStream
+ idx
+ 16 + (i
*8), 8);
1400 //check checksum calc
1401 //checksum calc thanks to ICEMAN!!
1402 uint32_t checkCS
= CRC8Maxim(csBuff
,13);
1404 //get raw ID before removing parities
1405 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+96,32);
1406 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+64,32);
1407 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
+32,32);
1408 uint32_t rawHi3
= bytebits_to_byte(BitStream
+idx
,32);
1409 setDemodBuf(BitStream
,128,idx
);
1411 size
= removeParity(BitStream
, idx
+8, 8, 1, 120);
1414 PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size
, idx
, rawHi3
);
1418 // ok valid card found!
1421 // 0 10 20 30 40 50 60 70
1423 // 01234567890123456789012345678901234567890123456789012345678901234567890
1424 // -----------------------------------------------------------------------
1425 // 00000000000000000000000000000000000000000000000000000000000000000000000
1426 // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1430 // 1 2 34567890 1234567890123456 7 8901234
1431 // ---------------------------------------
1432 // 1 1 01110011 0000000001000110 0 1001010
1433 // s w ffffffff cccccccccccccccc w ppppppp
1434 // |--115-| |------71------|
1435 // s = format start bit, o = odd parity of last 7 bits
1436 // f = facility code, c = card number
1437 // w = wiegand parity, x = extra space for other formats
1438 // p = unknown checksum
1439 // (26 bit format shown)
1441 //find start bit to get fmtLen
1443 for (j
=0; j
<size
; j
++){
1444 if(BitStream
[j
]) break;
1446 uint8_t fmtLen
= size
-j
-8;
1448 uint32_t cardnum
= 0;
1451 fc
= bytebits_to_byte(BitStream
+73, 8);
1452 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1453 code1
= bytebits_to_byte(BitStream
+72,fmtLen
);
1454 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
);
1455 } else if (fmtLen
==45){
1456 fmtLen
=42; //end = 10 bits not 7 like 26 bit fmt
1457 fc
= bytebits_to_byte(BitStream
+53, 10);
1458 cardnum
= bytebits_to_byte(BitStream
+63, 32);
1459 PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen
, fc
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1461 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1463 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
1464 //code2 = bytebits_to_byte(BitStream+(size-32),32);
1465 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1467 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
1468 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1471 if (checksum
== checkCS
)
1472 PrintAndLog("Checksum %02x passed", checksum
);
1474 PrintAndLog("Checksum %02x failed - should have been %02x", checksum
, checkCS
);
1477 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, 128);
1483 // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits)
1484 // 8 databits + 1 parity (1)
1486 // NATIONAL CODE, ICAR database
1487 // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
1488 // FLAG (animal/non-animal)
1495 16 ccitt CRC chksum over 64bit ID CODE.
1498 -- sample: 985121004515220 [ 37FF65B88EF94 ]
1500 int CmdFDXBdemodBI(const char *Cmd
){
1506 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
1507 size_t size
= getFromGraphBuf(BitStream
);
1509 errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
1510 if ( errCnt
< 0 || errCnt
> maxErr
) {
1511 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
1515 errCnt
= BiphaseRawDecode(BitStream
, &size
, maxErr
, 1);
1516 if (errCnt
< 0 || errCnt
> maxErr
) {
1517 if (g_debugMode
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
1521 int preambleIndex
= FDXBdemodBI(BitStream
, &size
);
1522 if (preambleIndex
< 0){
1523 if (g_debugMode
) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex
);
1527 if (g_debugMode
) PrintAndLog("Error incorrect data length found");
1531 setDemodBuf(BitStream
, 128, preambleIndex
);
1533 // remove marker bits (1's every 9th digit after preamble) (pType = 2)
1534 size
= removeParity(BitStream
, preambleIndex
+ 11, 9, 2, 117);
1535 if ( size
!= 104 ) {
1536 if (g_debugMode
) PrintAndLog("Error removeParity:: %d", size
);
1540 char *bin
= sprint_bin_break(BitStream
,size
,16);
1541 PrintAndLog("DEBUG BinStream:\n%s",bin
);
1543 PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:");
1544 if (g_debugMode
) PrintAndLog("Start marker %d; Size %d", preambleIndex
, size
);
1547 uint64_t NationalCode
= ((uint64_t)(bytebits_to_byteLSBF(BitStream
+32,6)) << 32) | bytebits_to_byteLSBF(BitStream
,32);
1548 uint32_t countryCode
= bytebits_to_byteLSBF(BitStream
+38,10);
1549 uint8_t dataBlockBit
= BitStream
[48];
1550 uint32_t reservedCode
= bytebits_to_byteLSBF(BitStream
+49,14);
1551 uint8_t animalBit
= BitStream
[63];
1552 uint32_t crc16
= bytebits_to_byteLSBF(BitStream
+64,16);
1553 uint32_t extended
= bytebits_to_byteLSBF(BitStream
+80,24);
1555 uint64_t rawid
= ((uint64_t)bytebits_to_byte(BitStream
,32)<<32) | bytebits_to_byte(BitStream
+32,32);
1557 num_to_bytes(rawid
, 8, raw
);
1559 if (g_debugMode
) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw
,8));
1561 uint16_t calcCrc
= crc16_ccitt_kermit(raw
, 8);
1562 PrintAndLog("Animal ID: %04u-%012llu", countryCode
, NationalCode
);
1563 PrintAndLog("National Code: %012llu", NationalCode
);
1564 PrintAndLog("CountryCode: %04u", countryCode
);
1565 PrintAndLog("Extended Data: %s", dataBlockBit
? "True" : "False");
1566 PrintAndLog("reserved Code: %u", reservedCode
);
1567 PrintAndLog("Animal Tag: %s", animalBit
? "True" : "False");
1568 PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16
, calcCrc
, (calcCrc
== crc16
) ? "Passed" : "Failed");
1569 PrintAndLog("Extended: 0x%X\n", extended
);
1576 //attempt to psk1 demod graph buffer
1577 int PSKDemod(const char *Cmd
, bool verbose
)
1582 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1587 if (invert
!= 0 && invert
!= 1) {
1588 if (g_debugMode
|| verbose
) PrintAndLog("Invalid argument: %s", Cmd
);
1591 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1592 size_t BitLen
= getFromGraphBuf(BitStream
);
1593 if (BitLen
==0) return 0;
1594 uint8_t carrier
=countFC(BitStream
, BitLen
, 0);
1595 if (carrier
!=2 && carrier
!=4 && carrier
!=8){
1600 PrintAndLog("Carrier: rf/%d",carrier
);
1603 errCnt
= pskRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1604 if (errCnt
> maxErr
){
1605 if (g_debugMode
|| verbose
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1608 if (errCnt
<0|| BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1609 if (g_debugMode
|| verbose
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1612 if (verbose
|| g_debugMode
){
1613 PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
1615 PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1618 //prime demod buffer for output
1619 setDemodBuf(BitStream
,BitLen
,0);
1623 // Indala 26 bit decode
1625 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
1626 int CmdIndalaDecode(const char *Cmd
)
1630 ans
= PSKDemod(Cmd
, 0);
1631 } else{ //default to RF/32
1632 ans
= PSKDemod("32", 0);
1637 PrintAndLog("Error1: %d",ans
);
1641 size_t size
= DemodBufferLen
;
1642 size_t startIdx
= indala26decode(DemodBuffer
, &size
, &invert
);
1643 if (startIdx
< 1 || size
> 224) {
1645 PrintAndLog("Error2: %d",ans
);
1648 setDemodBuf(DemodBuffer
, size
, startIdx
);
1651 PrintAndLog("Had to invert bits");
1653 PrintAndLog("BitLen: %d",DemodBufferLen
);
1654 //convert UID to HEX
1655 uint32_t uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
;
1656 uid1
=bytebits_to_byte(DemodBuffer
,32);
1657 uid2
=bytebits_to_byte(DemodBuffer
+32,32);
1658 if (DemodBufferLen
==64) {
1659 PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer
,DemodBufferLen
,16), uid1
, uid2
);
1661 uid3
=bytebits_to_byte(DemodBuffer
+64,32);
1662 uid4
=bytebits_to_byte(DemodBuffer
+96,32);
1663 uid5
=bytebits_to_byte(DemodBuffer
+128,32);
1664 uid6
=bytebits_to_byte(DemodBuffer
+160,32);
1665 uid7
=bytebits_to_byte(DemodBuffer
+192,32);
1666 PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
1667 sprint_bin_break(DemodBuffer
,DemodBufferLen
,16), uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
);
1670 PrintAndLog("DEBUG: printing demodbuffer:");
1676 int CmdPSKNexWatch(const char *Cmd
)
1678 if (!PSKDemod("", false)) return 0;
1679 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};
1680 size_t startIdx
= 0, size
= DemodBufferLen
;
1681 bool invert
= false;
1682 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)){
1683 // if didn't find preamble try again inverting
1684 if (!PSKDemod("1", false)) return 0;
1685 size
= DemodBufferLen
;
1686 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)) return 0;
1689 if (size
!= 128) return 0;
1690 setDemodBuf(DemodBuffer
, size
, startIdx
+4);
1691 startIdx
= 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
1694 for (uint8_t wordIdx
=0; wordIdx
<4; wordIdx
++){
1695 for (uint8_t idx
=0; idx
<8; idx
++){
1696 ID
= (ID
<< 1) | DemodBuffer
[startIdx
+wordIdx
+(idx
*4)];
1699 //parity check (TBD)
1701 //checksum check (TBD)
1704 PrintAndLog("NexWatch ID: %d", ID
);
1706 PrintAndLog("Had to Invert - probably NexKey");
1707 for (uint8_t idx
=0; idx
<size
; idx
++)
1708 DemodBuffer
[idx
] ^= 1;
1711 CmdPrintDemodBuff("x");
1716 // takes 3 arguments - clock, invert, maxErr as integers
1717 // attempts to demodulate nrz only
1718 // prints binary found and saves in demodbuffer for further commands
1719 int NRZrawDemod(const char *Cmd
, bool verbose
)
1724 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1729 if (invert
!= 0 && invert
!= 1) {
1730 PrintAndLog("Invalid argument: %s", Cmd
);
1733 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1734 size_t BitLen
= getFromGraphBuf(BitStream
);
1735 if (BitLen
==0) return 0;
1737 errCnt
= nrzRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1738 if (errCnt
> maxErr
){
1739 if (g_debugMode
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1742 if (errCnt
<0 || BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1743 if (g_debugMode
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1746 if (verbose
|| g_debugMode
) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
1747 //prime demod buffer for output
1748 setDemodBuf(BitStream
,BitLen
,0);
1750 if (errCnt
>0 && (verbose
|| g_debugMode
)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1751 if (verbose
|| g_debugMode
) {
1752 PrintAndLog("NRZ demoded bitstream:");
1753 // Now output the bitstream to the scrollback by line of 16 bits
1759 int CmdNRZrawDemod(const char *Cmd
)
1761 char cmdp
= param_getchar(Cmd
, 0);
1762 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1763 PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]");
1764 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1765 PrintAndLog(" <invert>, 1 for invert output");
1766 PrintAndLog(" [set maximum allowed errors], default = 100.");
1768 PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer");
1769 PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
1770 PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
1771 PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data");
1772 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");
1775 return NRZrawDemod(Cmd
, TRUE
);
1779 // takes 3 arguments - clock, invert, maxErr as integers
1780 // attempts to demodulate psk only
1781 // prints binary found and saves in demodbuffer for further commands
1782 int CmdPSK1rawDemod(const char *Cmd
)
1785 char cmdp
= param_getchar(Cmd
, 0);
1786 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1787 PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]");
1788 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1789 PrintAndLog(" <invert>, 1 for invert output");
1790 PrintAndLog(" [set maximum allowed errors], default = 100.");
1792 PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer");
1793 PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32");
1794 PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
1795 PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data");
1796 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");
1799 ans
= PSKDemod(Cmd
, TRUE
);
1802 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1806 PrintAndLog("PSK1 demoded bitstream:");
1807 // Now output the bitstream to the scrollback by line of 16 bits
1813 // takes same args as cmdpsk1rawdemod
1814 int CmdPSK2rawDemod(const char *Cmd
)
1817 char cmdp
= param_getchar(Cmd
, 0);
1818 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1819 PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]");
1820 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1821 PrintAndLog(" <invert>, 1 for invert output");
1822 PrintAndLog(" [set maximum allowed errors], default = 100.");
1824 PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock");
1825 PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32");
1826 PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
1827 PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
1828 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");
1831 ans
=PSKDemod(Cmd
, TRUE
);
1833 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1836 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
1837 PrintAndLog("PSK2 demoded bitstream:");
1838 // Now output the bitstream to the scrollback by line of 16 bits
1843 // by marshmellow - combines all raw demod functions into one menu command
1844 int CmdRawDemod(const char *Cmd
)
1846 char cmdp
= Cmd
[0]; //param_getchar(Cmd, 0);
1848 if (strlen(Cmd
) > 20 || cmdp
== 'h' || cmdp
== 'H' || strlen(Cmd
)<2) {
1849 PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>");
1850 PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");
1851 PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
1852 PrintAndLog(" <help> as 'h', prints the help for the specific modulation");
1853 PrintAndLog(" <options> see specific modulation help for optional parameters");
1855 PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod");
1856 PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect");
1857 PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect");
1858 PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect");
1859 PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect");
1860 PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect");
1861 PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect");
1862 PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect");
1865 char cmdp2
= Cmd
[1];
1867 if (cmdp
== 'f' && cmdp2
== 's'){
1868 ans
= CmdFSKrawdemod(Cmd
+2);
1869 } else if(cmdp
== 'a' && cmdp2
== 'b'){
1870 ans
= Cmdaskbiphdemod(Cmd
+2);
1871 } else if(cmdp
== 'a' && cmdp2
== 'm'){
1872 ans
= Cmdaskmandemod(Cmd
+2);
1873 } else if(cmdp
== 'a' && cmdp2
== 'r'){
1874 ans
= Cmdaskrawdemod(Cmd
+2);
1875 } else if(cmdp
== 'n' && cmdp2
== 'r'){
1876 ans
= CmdNRZrawDemod(Cmd
+2);
1877 } else if(cmdp
== 'p' && cmdp2
== '1'){
1878 ans
= CmdPSK1rawDemod(Cmd
+2);
1879 } else if(cmdp
== 'p' && cmdp2
== '2'){
1880 ans
= CmdPSK2rawDemod(Cmd
+2);
1882 PrintAndLog("unknown modulation entered - see help ('h') for parameter structure");
1887 int CmdGrid(const char *Cmd
)
1889 sscanf(Cmd
, "%i %i", &PlotGridX
, &PlotGridY
);
1890 PlotGridXdefault
= PlotGridX
;
1891 PlotGridYdefault
= PlotGridY
;
1892 RepaintGraphWindow();
1896 int CmdHexsamples(const char *Cmd
)
1901 char string_buf
[25];
1902 char* string_ptr
= string_buf
;
1903 uint8_t got
[BIGBUF_SIZE
];
1905 sscanf(Cmd
, "%i %i", &requested
, &offset
);
1907 /* if no args send something */
1908 if (requested
== 0) {
1911 if (offset
+ requested
> sizeof(got
)) {
1912 PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE
);
1916 GetFromBigBuf(got
,requested
,offset
);
1917 WaitForResponse(CMD_ACK
,NULL
);
1920 for (j
= 0; j
< requested
; j
++) {
1922 string_ptr
+= sprintf(string_ptr
, "%02x ", got
[j
]);
1924 *(string_ptr
- 1) = '\0'; // remove the trailing space
1925 PrintAndLog("%s", string_buf
);
1926 string_buf
[0] = '\0';
1927 string_ptr
= string_buf
;
1930 if (j
== requested
- 1 && string_buf
[0] != '\0') { // print any remaining bytes
1931 *(string_ptr
- 1) = '\0';
1932 PrintAndLog("%s", string_buf
);
1933 string_buf
[0] = '\0';
1939 int CmdHide(const char *Cmd
)
1945 //zero mean GraphBuffer
1946 int CmdHpf(const char *Cmd
)
1951 for (i
= 10; i
< GraphTraceLen
; ++i
)
1952 accum
+= GraphBuffer
[i
];
1953 accum
/= (GraphTraceLen
- 10);
1954 for (i
= 0; i
< GraphTraceLen
; ++i
)
1955 GraphBuffer
[i
] -= accum
;
1957 RepaintGraphWindow();
1961 uint8_t getByte(uint8_t bits_per_sample
, BitstreamIn
* b
)
1965 for(i
=0 ; i
< bits_per_sample
; i
++)
1967 val
|= (headBit(b
) << (7-i
));
1972 int getSamples(const char *Cmd
, bool silent
)
1974 //If we get all but the last byte in bigbuf,
1975 // we don't have to worry about remaining trash
1976 // in the last byte in case the bits-per-sample
1977 // does not line up on byte boundaries
1979 uint8_t got
[BIGBUF_SIZE
-1] = { 0 };
1981 int n
= strtol(Cmd
, NULL
, 0);
1983 if (n
== 0 || n
> sizeof(got
))
1986 PrintAndLog("Reading %d bytes from device memory\n", n
);
1987 GetFromBigBuf(got
,n
,0);
1988 PrintAndLog("Data fetched");
1989 UsbCommand response
;
1990 WaitForResponse(CMD_ACK
, &response
);
1991 uint8_t bits_per_sample
= 8;
1993 //Old devices without this feature would send 0 at arg[0]
1994 if(response
.arg
[0] > 0)
1996 sample_config
*sc
= (sample_config
*) response
.d
.asBytes
;
1997 PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc
->bits_per_sample
1999 bits_per_sample
= sc
->bits_per_sample
;
2001 if(bits_per_sample
< 8)
2003 PrintAndLog("Unpacking...");
2004 BitstreamIn bout
= { got
, bits_per_sample
* n
, 0};
2006 for (j
= 0; j
* bits_per_sample
< n
* 8 && j
< n
; j
++) {
2007 uint8_t sample
= getByte(bits_per_sample
, &bout
);
2008 GraphBuffer
[j
] = ((int) sample
)- 128;
2011 PrintAndLog("Unpacked %d samples" , j
);
2014 for (int j
= 0; j
< n
; j
++) {
2015 GraphBuffer
[j
] = ((int)got
[j
]) - 128;
2020 RepaintGraphWindow();
2024 int CmdSamples(const char *Cmd
)
2026 return getSamples(Cmd
, false);
2029 int CmdTuneSamples(const char *Cmd
)
2032 printf("\nMeasuring antenna characteristics, please wait...");
2034 UsbCommand c
= {CMD_MEASURE_ANTENNA_TUNING
};
2038 while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING
,&resp
,1000)) {
2042 PrintAndLog("\nNo response from Proxmark. Aborting...");
2048 int vLf125
, vLf134
, vHf
;
2049 vLf125
= resp
.arg
[0] & 0xffff;
2050 vLf134
= resp
.arg
[0] >> 16;
2051 vHf
= resp
.arg
[1] & 0xffff;;
2052 peakf
= resp
.arg
[2] & 0xffff;
2053 peakv
= resp
.arg
[2] >> 16;
2055 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125
/1000.0);
2056 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134
/1000.0);
2057 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv
/1000.0, 12000.0/(peakf
+1));
2058 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf
/1000.0);
2060 #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
2061 #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
2062 #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2063 #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2065 if (peakv
< LF_UNUSABLE_V
)
2066 PrintAndLog("# Your LF antenna is unusable.");
2067 else if (peakv
< LF_MARGINAL_V
)
2068 PrintAndLog("# Your LF antenna is marginal.");
2069 if (vHf
< HF_UNUSABLE_V
)
2070 PrintAndLog("# Your HF antenna is unusable.");
2071 else if (vHf
< HF_MARGINAL_V
)
2072 PrintAndLog("# Your HF antenna is marginal.");
2074 if (peakv
>= LF_UNUSABLE_V
) {
2075 for (int i
= 0; i
< 256; i
++) {
2076 GraphBuffer
[i
] = resp
.d
.asBytes
[i
] - 128;
2078 PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n");
2080 GraphTraceLen
= 256;
2082 RepaintGraphWindow();
2089 int CmdLoad(const char *Cmd
)
2091 char filename
[FILE_PATH_SIZE
] = {0x00};
2095 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2096 memcpy(filename
, Cmd
, len
);
2098 FILE *f
= fopen(filename
, "r");
2100 PrintAndLog("couldn't open '%s'", filename
);
2106 while (fgets(line
, sizeof (line
), f
)) {
2107 GraphBuffer
[GraphTraceLen
] = atoi(line
);
2111 PrintAndLog("loaded %d samples", GraphTraceLen
);
2112 RepaintGraphWindow();
2116 int CmdLtrim(const char *Cmd
)
2119 if (GraphTraceLen
<=0) return 0;
2120 for (int i
= ds
; i
< GraphTraceLen
; ++i
)
2121 GraphBuffer
[i
-ds
] = GraphBuffer
[i
];
2122 GraphTraceLen
-= ds
;
2124 RepaintGraphWindow();
2128 // trim graph to input argument length
2129 int CmdRtrim(const char *Cmd
)
2135 RepaintGraphWindow();
2139 int CmdNorm(const char *Cmd
)
2142 int max
= INT_MIN
, min
= INT_MAX
;
2144 for (i
= 10; i
< GraphTraceLen
; ++i
) {
2145 if (GraphBuffer
[i
] > max
)
2146 max
= GraphBuffer
[i
];
2147 if (GraphBuffer
[i
] < min
)
2148 min
= GraphBuffer
[i
];
2152 for (i
= 0; i
< GraphTraceLen
; ++i
) {
2153 GraphBuffer
[i
] = (GraphBuffer
[i
] - ((max
+ min
) / 2)) * 256 /
2155 //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work
2158 RepaintGraphWindow();
2162 int CmdPlot(const char *Cmd
)
2168 int CmdSave(const char *Cmd
)
2170 char filename
[FILE_PATH_SIZE
] = {0x00};
2174 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2175 memcpy(filename
, Cmd
, len
);
2178 FILE *f
= fopen(filename
, "w");
2180 PrintAndLog("couldn't open '%s'", filename
);
2184 for (i
= 0; i
< GraphTraceLen
; i
++) {
2185 fprintf(f
, "%d\n", GraphBuffer
[i
]);
2188 PrintAndLog("saved to '%s'", Cmd
);
2192 int CmdScale(const char *Cmd
)
2194 CursorScaleFactor
= atoi(Cmd
);
2195 if (CursorScaleFactor
== 0) {
2196 PrintAndLog("bad, can't have zero scale");
2197 CursorScaleFactor
= 1;
2199 RepaintGraphWindow();
2203 int CmdDirectionalThreshold(const char *Cmd
)
2205 int8_t upThres
= param_get8(Cmd
, 0);
2206 int8_t downThres
= param_get8(Cmd
, 1);
2208 printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres
, downThres
);
2210 int lastValue
= GraphBuffer
[0];
2211 GraphBuffer
[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
2213 for (int i
= 1; i
< GraphTraceLen
; ++i
) {
2214 // Apply first threshold to samples heading up
2215 if (GraphBuffer
[i
] >= upThres
&& GraphBuffer
[i
] > lastValue
)
2217 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2220 // Apply second threshold to samples heading down
2221 else if (GraphBuffer
[i
] <= downThres
&& GraphBuffer
[i
] < lastValue
)
2223 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2224 GraphBuffer
[i
] = -1;
2228 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2229 GraphBuffer
[i
] = GraphBuffer
[i
-1];
2233 GraphBuffer
[0] = GraphBuffer
[1]; // Aline with first edited sample.
2234 RepaintGraphWindow();
2238 int CmdZerocrossings(const char *Cmd
)
2240 // Zero-crossings aren't meaningful unless the signal is zero-mean.
2247 for (int i
= 0; i
< GraphTraceLen
; ++i
) {
2248 if (GraphBuffer
[i
] * sign
>= 0) {
2249 // No change in sign, reproduce the previous sample count.
2251 GraphBuffer
[i
] = lastZc
;
2253 // Change in sign, reset the sample count.
2255 GraphBuffer
[i
] = lastZc
;
2263 RepaintGraphWindow();
2267 int usage_data_bin2hex(){
2268 PrintAndLog("Usage: data bin2hex <binary_digits>");
2269 PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)");
2274 * @brief Utility for conversion via cmdline.
2278 int Cmdbin2hex(const char *Cmd
)
2281 if(param_getptr(Cmd
, &bg
, &en
, 0))
2283 return usage_data_bin2hex();
2285 //Number of digits supplied as argument
2286 size_t length
= en
- bg
+1;
2287 size_t bytelen
= (length
+7) / 8;
2288 uint8_t* arr
= (uint8_t *) malloc(bytelen
);
2289 memset(arr
, 0, bytelen
);
2290 BitstreamOut bout
= { arr
, 0, 0 };
2292 for(; bg
<= en
;bg
++)
2295 if( c
== '1') pushBit(&bout
, 1);
2296 else if( c
== '0') pushBit(&bout
, 0);
2297 else PrintAndLog("Ignoring '%c'", c
);
2300 if(bout
.numbits
% 8 != 0)
2302 printf("[padded with %d zeroes]\n", 8-(bout
.numbits
% 8));
2305 //Uses printf instead of PrintAndLog since the latter
2306 // adds linebreaks to each printout - this way was more convenient since we don't have to
2307 // allocate a string and write to that first...
2308 for(size_t x
= 0; x
< bytelen
; x
++)
2310 printf("%02X", arr
[x
]);
2317 int usage_data_hex2bin(){
2319 PrintAndLog("Usage: data bin2hex <binary_digits>");
2320 PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
2325 int Cmdhex2bin(const char *Cmd
)
2328 if(param_getptr(Cmd
, &bg
, &en
, 0))
2330 return usage_data_hex2bin();
2338 if (x
>= 'a' && x
<= 'f')
2340 // convert to numeric value
2341 if (x
>= '0' && x
<= '9')
2343 else if (x
>= 'A' && x
<= 'F')
2348 //Uses printf instead of PrintAndLog since the latter
2349 // adds linebreaks to each printout - this way was more convenient since we don't have to
2350 // allocate a string and write to that first...
2352 for(int i
= 0 ; i
< 4 ; ++i
)
2353 printf("%d",(x
>> (3 - i
)) & 1);
2360 static command_t CommandTable
[] =
2362 {"help", CmdHelp
, 1, "This help"},
2363 {"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)"},
2364 {"askem410xdemod", CmdAskEM410xDemod
, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
2365 {"askgproxiidemod", CmdG_Prox_II_Demod
, 1, "Demodulate a G Prox II tag from GraphBuffer"},
2366 {"askvikingdemod", CmdVikingDemod
, 1, "Demodulate a Viking tag from GraphBuffer"},
2367 {"autocorr", CmdAutoCorr
, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
2368 {"biphaserawdecode",CmdBiphaseDecodeRaw
,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
2369 {"bin2hex", Cmdbin2hex
, 1, "bin2hex <digits> -- Converts binary to hexadecimal"},
2370 {"bitsamples", CmdBitsamples
, 0, "Get raw samples as bitstring"},
2371 {"buffclear", CmdBuffClear
, 1, "Clear sample buffer and graph window"},
2372 {"dec", CmdDec
, 1, "Decimate samples"},
2373 {"detectclock", CmdDetectClockRate
, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
2374 {"fdxbdemod", CmdFDXBdemodBI
, 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
2375 {"fskawiddemod", CmdFSKdemodAWID
, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
2376 //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
2377 {"fskhiddemod", CmdFSKdemodHID
, 1, "Demodulate a HID FSK tag from GraphBuffer"},
2378 {"fskiodemod", CmdFSKdemodIO
, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
2379 {"fskpyramiddemod", CmdFSKdemodPyramid
, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
2380 {"fskparadoxdemod", CmdFSKdemodParadox
, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
2381 {"getbitstream", CmdGetBitStream
, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
2382 {"grid", CmdGrid
, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
2383 {"hexsamples", CmdHexsamples
, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
2384 {"hex2bin", Cmdhex2bin
, 1, "hex2bin <hexadecimal> -- Converts hexadecimal to binary"},
2385 {"hide", CmdHide
, 1, "Hide graph window"},
2386 {"hpf", CmdHpf
, 1, "Remove DC offset from trace"},
2387 {"load", CmdLoad
, 1, "<filename> -- Load trace (to graph window"},
2388 {"ltrim", CmdLtrim
, 1, "<samples> -- Trim samples from left of trace"},
2389 {"rtrim", CmdRtrim
, 1, "<location to end trace> -- Trim samples from right of trace"},
2390 {"manrawdecode", Cmdmandecoderaw
, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
2391 {"norm", CmdNorm
, 1, "Normalize max/min to +/-128"},
2392 {"plot", CmdPlot
, 1, "Show graph window (hit 'h' in window for keystroke help)"},
2393 {"printdemodbuffer",CmdPrintDemodBuff
, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
2394 {"pskindalademod", CmdIndalaDecode
, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
2395 {"psknexwatchdemod",CmdPSKNexWatch
, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
2396 {"rawdemod", CmdRawDemod
, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
2397 {"samples", CmdSamples
, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
2398 {"save", CmdSave
, 1, "<filename> -- Save trace (from graph window)"},
2399 {"scale", CmdScale
, 1, "<int> -- Set cursor display scale"},
2400 {"setdebugmode", CmdSetDebugMode
, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
2401 {"shiftgraphzero", CmdGraphShiftZero
, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
2402 {"dirthreshold", CmdDirectionalThreshold
, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
2403 {"tune", CmdTuneSamples
, 0, "Get hw tune samples for graph window"},
2404 {"undec", CmdUndec
, 1, "Un-decimate samples by 2"},
2405 {"zerocrossings", CmdZerocrossings
, 1, "Count time between zero-crossings"},
2406 {NULL
, NULL
, 0, NULL
}
2409 int CmdData(const char *Cmd
)
2411 CmdsParse(CommandTable
, Cmd
);
2415 int CmdHelp(const char *Cmd
)
2417 CmdsHelp(CommandTable
);