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"
26 uint8_t DemodBuffer
[MAX_DEMOD_BUF_LEN
];
29 static int CmdHelp(const char *Cmd
);
31 //set the demod buffer with given array of binary (one bit per byte)
33 void setDemodBuf(uint8_t *buff
, size_t size
, size_t startIdx
)
36 for (; i
< size
; i
++){
37 DemodBuffer
[i
]=buff
[startIdx
++];
43 int CmdSetDebugMode(const char *Cmd
)
46 sscanf(Cmd
, "%i", &demod
);
47 g_debugMode
=(uint8_t)demod
;
52 void printDemodBuff(void)
55 int bitLen
= DemodBufferLen
;
57 PrintAndLog("no bits found in demod buffer");
60 if (bitLen
>512) bitLen
=512; //max output to 512 bits if we have more - should be plenty
62 // ensure equally divided by 16
65 for (i
= 0; i
<= (bitLen
-16); i
+=16) {
66 PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
87 int CmdPrintDemodBuff(const char *Cmd
)
92 int CmdAmp(const char *Cmd
)
94 int i
, rising
, falling
;
95 int max
= INT_MIN
, min
= INT_MAX
;
97 for (i
= 10; i
< GraphTraceLen
; ++i
) {
98 if (GraphBuffer
[i
] > max
)
100 if (GraphBuffer
[i
] < min
)
101 min
= GraphBuffer
[i
];
106 for (i
= 0; i
< GraphTraceLen
; ++i
) {
107 if (GraphBuffer
[i
+ 1] < GraphBuffer
[i
]) {
109 GraphBuffer
[i
] = max
;
114 if (GraphBuffer
[i
+ 1] > GraphBuffer
[i
]) {
116 GraphBuffer
[i
] = min
;
123 RepaintGraphWindow();
128 * Generic command to demodulate ASK.
130 * Argument is convention: positive or negative (High mod means zero
131 * or high mod means one)
133 * Updates the Graph trace with 0/1 values
136 * c : 0 or 1 (or invert)
138 //this method ignores the clock
140 //this function strictly converts highs and lows to 1s and 0s for each sample in the graphbuffer
141 int Cmdaskdemod(const char *Cmd
)
144 int c
, high
= 0, low
= 0;
146 sscanf(Cmd
, "%i", &c
);
148 /* Detect high and lows */
149 for (i
= 0; i
< GraphTraceLen
; ++i
)
151 if (GraphBuffer
[i
] > high
)
152 high
= GraphBuffer
[i
];
153 else if (GraphBuffer
[i
] < low
)
154 low
= GraphBuffer
[i
];
158 if (c
!= 0 && c
!= 1) {
159 PrintAndLog("Invalid argument: %s", Cmd
);
163 if (GraphBuffer
[0] > 0) {
164 GraphBuffer
[0] = 1-c
;
168 for (i
= 1; i
< GraphTraceLen
; ++i
) {
169 /* Transitions are detected at each peak
170 * Transitions are either:
171 * - we're low: transition if we hit a high
172 * - we're high: transition if we hit a low
173 * (we need to do it this way because some tags keep high or
174 * low for long periods, others just reach the peak and go
177 //[marhsmellow] change == to >= for high and <= for low for fuzz
178 if ((GraphBuffer
[i
] >= high
) && (GraphBuffer
[i
- 1] == c
)) {
179 GraphBuffer
[i
] = 1 - c
;
180 } else if ((GraphBuffer
[i
] <= low
) && (GraphBuffer
[i
- 1] == (1 - c
))){
184 GraphBuffer
[i
] = GraphBuffer
[i
- 1];
187 RepaintGraphWindow();
191 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
192 int CmdGetBitStream(const char *Cmd
)
196 for (i
= 0; i
< GraphTraceLen
; i
++) {
197 if (GraphBuffer
[i
] >= 1) {
203 RepaintGraphWindow();
209 void printBitStream(uint8_t BitStream
[], uint32_t bitLen
)
213 PrintAndLog("Too few bits found: %d",bitLen
);
216 if (bitLen
>512) bitLen
=512;
218 // ensure equally divided by 16
222 for (i
= 0; i
<= (bitLen
-16); i
+=16) {
223 PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i",
244 //print 64 bit EM410x ID in multiple formats
245 void printEM410x(uint64_t id
)
252 for (ii
=5; ii
>0;ii
--){
254 id2lo
=(id2lo
<<1LL) | ((id
& (iii
<< (i
+((ii
-1)*8)))) >> (i
+((ii
-1)*8)));
258 PrintAndLog("EM TAG ID : %010llx", id
);
259 PrintAndLog("Unique TAG ID: %010llx", id2lo
);
260 PrintAndLog("DEZ 8 : %08lld",id
& 0xFFFFFF);
261 PrintAndLog("DEZ 10 : %010lld",id
& 0xFFFFFF);
262 PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id
>>16LL) & 0xFFFF,(id
& 0xFFFF));
263 PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id
>>32ll),(id
& 0xFFFF));
264 PrintAndLog("DEZ 14/IK2 : %014lld",id
);
265 PrintAndLog("DEZ 15/IK3 : %015lld",id2lo
);
266 PrintAndLog("Other : %05lld_%03lld_%08lld",(id
&0xFFFF),((id
>>16LL) & 0xFF),(id
& 0xFFFFFF));
272 //takes 3 arguments - clock, invert and maxErr as integers
273 //attempts to demodulate ask while decoding manchester
274 //prints binary found and saves in graphbuffer for further commands
275 int CmdAskEM410xDemod(const char *Cmd
)
280 char cmdp
= param_getchar(Cmd
, 0);
281 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
282 PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]");
283 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
284 PrintAndLog(" <invert>, 1 for invert output");
285 PrintAndLog(" [set maximum allowed errors], default = 100.");
287 PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer");
288 PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
289 PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
290 PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data");
291 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");
297 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
298 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
299 if (invert
!= 0 && invert
!= 1) {
300 PrintAndLog("Invalid argument: %s", Cmd
);
303 size_t BitLen
= getFromGraphBuf(BitStream
);
305 if (g_debugMode
==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen
);
306 if (BitLen
==0) return 0;
308 errCnt
= askmandemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
);
309 if (errCnt
<0||BitLen
<16){ //if fatal error (or -1)
310 if (g_debugMode
==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt
,invert
,BitLen
,clk
);
313 PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
317 PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt
);
319 //PrintAndLog("ASK/Manchester decoded bitstream:");
320 // Now output the bitstream to the scrollback by line of 16 bits
321 setDemodBuf(BitStream
,BitLen
,0);
325 lo
= Em410xDecode(BitStream
, &BitLen
, &idx
);
327 //set GraphBuffer for clone or sim command
328 setDemodBuf(BitStream
, BitLen
, idx
);
330 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
333 PrintAndLog("EM410x pattern found: ");
334 if (BitLen
> 64) PrintAndLog("\nWarning! Length not what is expected - Length: %d bits\n",BitLen
);
341 int ASKmanDemod(const char *Cmd
, bool verbose
, bool emSearch
)
347 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
348 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
349 if (invert
!= 0 && invert
!= 1) {
350 PrintAndLog("Invalid argument: %s", Cmd
);
357 size_t BitLen
= getFromGraphBuf(BitStream
);
358 if (g_debugMode
==1) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen
);
359 if (BitLen
==0) return 0;
361 errCnt
= askmandemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
);
362 if (errCnt
<0||BitLen
<16){ //if fatal error (or -1)
363 if (g_debugMode
==1) PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt
,invert
,BitLen
,clk
);
366 if (verbose
) PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
370 if (verbose
) PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt
);
372 if (verbose
) PrintAndLog("ASK/Manchester decoded bitstream:");
373 // Now output the bitstream to the scrollback by line of 16 bits
374 setDemodBuf(BitStream
,BitLen
,0);
375 if (verbose
) printDemodBuff();
379 lo
= Em410xDecode(BitStream
, &BitLen
, &idx
);
381 //set GraphBuffer for clone or sim command
382 setDemodBuf(BitStream
, BitLen
, idx
);
384 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
387 if (verbose
) PrintAndLog("EM410x pattern found: ");
388 if (verbose
) printEM410x(lo
);
396 //takes 3 arguments - clock, invert, maxErr as integers
397 //attempts to demodulate ask while decoding manchester
398 //prints binary found and saves in graphbuffer for further commands
399 int Cmdaskmandemod(const char *Cmd
)
401 char cmdp
= param_getchar(Cmd
, 0);
402 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
403 PrintAndLog("Usage: data rawdemod am [clock] <0|1> [maxError]");
404 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
405 PrintAndLog(" <invert>, 1 for invert output");
406 PrintAndLog(" [set maximum allowed errors], default = 100.");
408 PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer");
409 PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
410 PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
411 PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data");
412 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");
415 return ASKmanDemod(Cmd
, TRUE
, TRUE
);
420 //stricktly take 10 and 01 and convert to 0 and 1
421 int Cmdmandecoderaw(const char *Cmd
)
427 char cmdp
= param_getchar(Cmd
, 0);
428 if (strlen(Cmd
) > 1 || cmdp
== 'h' || cmdp
== 'H') {
429 PrintAndLog("Usage: data manrawdecode");
430 PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively");
431 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
433 PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer");
436 if (DemodBufferLen
==0) return 0;
437 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
439 for (;i
<DemodBufferLen
;++i
){
440 if (DemodBuffer
[i
]>high
) high
=DemodBuffer
[i
];
441 else if(DemodBuffer
[i
]<low
) low
=DemodBuffer
[i
];
442 BitStream
[i
]=DemodBuffer
[i
];
444 if (high
>1 || low
<0 ){
445 PrintAndLog("Error: please raw demod the wave first then mancheseter raw decode");
449 errCnt
=manrawdecode(BitStream
, &size
);
451 PrintAndLog("Too many errors: %d",errCnt
);
454 PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt
);
455 printBitStream(BitStream
, size
);
459 id
= Em410xDecode(BitStream
, &size
, &idx
);
461 //need to adjust to set bitstream back to manchester encoded data
462 //setDemodBuf(BitStream, size, idx);
472 //take 01 or 10 = 0 and 11 or 00 = 1
473 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
474 // and "invert" default = 0 if 1 it will invert output
475 // since it is not like manchester and doesn't have an incorrect bit pattern we
476 // cannot determine if our decode is correct or if it should be shifted by one bit
477 // the argument offset allows us to manually shift if the output is incorrect
478 // (better would be to demod and decode at the same time so we can distinguish large
479 // width waves vs small width waves to help the decode positioning) or askbiphdemod
480 int CmdBiphaseDecodeRaw(const char *Cmd
)
488 char cmdp
= param_getchar(Cmd
, 0);
489 if (strlen(Cmd
) > 3 || cmdp
== 'h' || cmdp
== 'H') {
490 PrintAndLog("Usage: data biphaserawdecode [offset] <invert>");
491 PrintAndLog(" Converts 10 or 01 to 0 and 11 or 00 to 1");
492 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
494 PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
495 PrintAndLog(" [invert <0|1>], set to 1 to invert output");
497 PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer");
498 PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
501 sscanf(Cmd
, "%i %i", &offset
, &invert
);
502 if (DemodBufferLen
==0) return 0;
503 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
504 //get graphbuffer & high and low
505 for (;i
<DemodBufferLen
;++i
){
506 if(DemodBuffer
[i
]>high
)high
=DemodBuffer
[i
];
507 else if(DemodBuffer
[i
]<low
)low
=DemodBuffer
[i
];
508 BitStream
[i
]=DemodBuffer
[i
];
510 if (high
>1 || low
<0){
511 PrintAndLog("Error: please raw demod the wave first then decode");
515 errCnt
=BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
517 PrintAndLog("Too many errors attempting to decode: %d",errCnt
);
520 PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset
,errCnt
);
521 printBitStream(BitStream
, size
);
522 PrintAndLog("\nif bitstream does not look right try offset=1");
526 // set demod buffer back to raw after biphase demod
527 void setBiphaseDemodBuf(uint8_t *BitStream
, size_t size
)
529 uint8_t rawStream
[512]={0x00};
533 PrintAndLog("ERROR - Biphase Demod Buffer overrun");
536 for (size_t idx
=0; idx
<size
; idx
++){
538 rawStream
[i
++] = curPhase
;
539 rawStream
[i
++] = curPhase
;
542 rawStream
[i
++] = curPhase
;
543 rawStream
[i
++] = curPhase
^ 1;
546 setDemodBuf(rawStream
,i
,0);
550 //takes 4 arguments - clock, invert, maxErr as integers and amplify as char
551 //attempts to demodulate ask only
552 //prints binary found and saves in graphbuffer for further commands
553 int ASKrawDemod(const char *Cmd
, bool verbose
)
559 char amp
= param_getchar(Cmd
, 0);
560 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
561 sscanf(Cmd
, "%i %i %i %c", &clk
, &invert
, &maxErr
, &
);
562 if (invert
!= 0 && invert
!= 1) {
563 if (verbose
) PrintAndLog("Invalid argument: %s", Cmd
);
570 if (amp
== 'a' || amp
== 'A') askAmp
=1;
571 size_t BitLen
= getFromGraphBuf(BitStream
);
572 if (BitLen
==0) return 0;
574 errCnt
= askrawdemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
, askAmp
);
575 if (errCnt
==-1||BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
576 if (verbose
) PrintAndLog("no data found");
577 if (g_debugMode
==1 && verbose
) PrintAndLog("errCnt: %d, BitLen: %d, clk: %d, invert: %d", errCnt
, BitLen
, clk
, invert
);
580 if (verbose
) PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk
, invert
, BitLen
);
582 //move BitStream back to DemodBuffer
583 setDemodBuf(BitStream
,BitLen
,0);
586 if (errCnt
>0 && verbose
){
587 PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d", errCnt
);
590 PrintAndLog("ASK demoded bitstream:");
591 // Now output the bitstream to the scrollback by line of 16 bits
592 printBitStream(BitStream
,BitLen
);
598 //attempts to demodulate and identify a G_Prox_II verex/chubb card
599 //WARNING: if it fails during some points it will destroy the DemodBuffer data
600 // but will leave the GraphBuffer intact.
601 //if successful it will push askraw data back to demod buffer ready for emulation
602 int CmdG_Prox_II_Demod(const char *Cmd
)
604 int ans
= ASKrawDemod(Cmd
, FALSE
);
606 if (g_debugMode
) PrintAndLog("Error AskrawDemod: %d",ans
);
609 size_t size
= DemodBufferLen
;
610 ans
= BiphaseRawDecode(DemodBuffer
, &size
, 0, 0);
612 if (g_debugMode
) PrintAndLog("Error BiphaseRawDecode: %d",ans
);
615 //call lfdemod.c demod for gProxII
616 ans
= gProxII_Demod(DemodBuffer
, &size
);
618 if (g_debugMode
) PrintAndLog("Error gProxII_Demod 1st Try: %d",ans
);
620 ans
= BiphaseRawDecode(DemodBuffer
, &size
, 1, 0);
622 if (g_debugMode
) PrintAndLog("Error BiphaseRawDecode: %d",ans
);
625 ans
= gProxII_Demod(DemodBuffer
, &size
);
627 if (g_debugMode
) PrintAndLog("Error gProxII_Demod 1st Try: %d",ans
);
632 uint32_t ByteStream
[65] = {0x00};
637 size_t startIdx
= ans
+ 6; //start after preamble
638 for (size_t idx
= 0; idx
<size
-6; idx
++){
639 if ((idx
+1) % 5 == 0){
640 //spacer bit - should be 0
641 if (DemodBuffer
[startIdx
+idx
] != 0) {
642 if (g_debugMode
) PrintAndLog("Error spacer not 0: %d, pos: %d",DemodBuffer
[startIdx
+idx
],startIdx
+idx
);
647 if (keyCnt
<8){ //lsb first
648 xorKey
= xorKey
| (DemodBuffer
[startIdx
+idx
]<<keyCnt
);
650 if (keyCnt
==8 && g_debugMode
) PrintAndLog("xorKey Found: %02x", xorKey
);
654 ByteStream
[ByteCnt
] = ByteStream
[ByteCnt
] | (DemodBuffer
[startIdx
+idx
]<<bitCnt
);
656 if (bitCnt
% 8 == 0){
657 if (g_debugMode
) PrintAndLog("byte %d: %02x",ByteCnt
,ByteStream
[ByteCnt
]);
662 for (uint8_t i
= 0; i
< ByteCnt
; i
++){
663 ByteStream
[i
] ^= xorKey
; //xor
664 if (g_debugMode
) PrintAndLog("byte %d after xor: %02x", i
, ByteStream
[i
]);
666 //now ByteStream contains 64 bytes of decrypted raw tag data
668 uint8_t fmtLen
= ByteStream
[0]>>2;
671 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
,32);
672 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
673 uint32_t raw3
= bytebits_to_byte(DemodBuffer
+ans
+64, 32);
676 FC
= ((ByteStream
[3] & 0x7F)<<7) | (ByteStream
[4]>>1);
677 Card
= ((ByteStream
[4]&1)<<19) | (ByteStream
[5]<<11) | (ByteStream
[6]<<3) | (ByteStream
[7]>>5);
678 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
679 } else if(fmtLen
==26){
680 FC
= ((ByteStream
[3] & 0x7F)<<1) | (ByteStream
[4]>>7);
681 Card
= ((ByteStream
[4]&0x7F)<<9) | (ByteStream
[5]<<1) | (ByteStream
[6]>>7);
682 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %d, Card %d",fmtLen
,FC
,Card
);
684 PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",fmtLen
);
686 PrintAndLog("Raw: %08x%08x%08x", raw1
,raw2
,raw3
);
687 setBiphaseDemodBuf(DemodBuffer
+ans
, 96);
691 //by marshmellow - see ASKrawDemod
692 int Cmdaskrawdemod(const char *Cmd
)
694 char cmdp
= param_getchar(Cmd
, 0);
695 if (strlen(Cmd
) > 12 || cmdp
== 'h' || cmdp
== 'H') {
696 PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [amplify]");
697 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
698 PrintAndLog(" <invert>, 1 to invert output");
699 PrintAndLog(" [set maximum allowed errors], default = 100");
700 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
702 PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer");
703 PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified");
704 PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32");
705 PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
706 PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data");
707 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");
708 PrintAndLog(" : data rawdemod ar 64 1 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp");
711 return ASKrawDemod(Cmd
, TRUE
);
714 int CmdAutoCorr(const char *Cmd
)
716 static int CorrelBuffer
[MAX_GRAPH_TRACE_LEN
];
718 int window
= atoi(Cmd
);
721 PrintAndLog("needs a window");
724 if (window
>= GraphTraceLen
) {
725 PrintAndLog("window must be smaller than trace (%d samples)",
730 PrintAndLog("performing %d correlations", GraphTraceLen
- window
);
732 for (int i
= 0; i
< GraphTraceLen
- window
; ++i
) {
734 for (int j
= 0; j
< window
; ++j
) {
735 sum
+= (GraphBuffer
[j
]*GraphBuffer
[i
+ j
]) / 256;
737 CorrelBuffer
[i
] = sum
;
739 GraphTraceLen
= GraphTraceLen
- window
;
740 memcpy(GraphBuffer
, CorrelBuffer
, GraphTraceLen
* sizeof (int));
742 RepaintGraphWindow();
746 int CmdBitsamples(const char *Cmd
)
751 GetFromBigBuf(got
,sizeof(got
),0);
752 WaitForResponse(CMD_ACK
,NULL
);
754 for (int j
= 0; j
< sizeof(got
); j
++) {
755 for (int k
= 0; k
< 8; k
++) {
756 if(got
[j
] & (1 << (7 - k
))) {
757 GraphBuffer
[cnt
++] = 1;
759 GraphBuffer
[cnt
++] = 0;
764 RepaintGraphWindow();
769 * Convert to a bitstream
771 int CmdBitstream(const char *Cmd
)
779 int hithigh
, hitlow
, first
;
781 /* Detect high and lows and clock */
782 for (i
= 0; i
< GraphTraceLen
; ++i
)
784 if (GraphBuffer
[i
] > high
)
785 high
= GraphBuffer
[i
];
786 else if (GraphBuffer
[i
] < low
)
787 low
= GraphBuffer
[i
];
791 clock
= GetAskClock(Cmd
, high
, 1);
795 for (i
= 0; i
< (int)(gtl
/ clock
); ++i
)
800 /* Find out if we hit both high and low peaks */
801 for (j
= 0; j
< clock
; ++j
)
803 if (GraphBuffer
[(i
* clock
) + j
] == high
)
805 else if (GraphBuffer
[(i
* clock
) + j
] == low
)
807 /* it doesn't count if it's the first part of our read
808 because it's really just trailing from the last sequence */
809 if (first
&& (hithigh
|| hitlow
))
810 hithigh
= hitlow
= 0;
814 if (hithigh
&& hitlow
)
818 /* If we didn't hit both high and low peaks, we had a bit transition */
819 if (!hithigh
|| !hitlow
)
822 AppendGraph(0, clock
, bit
);
825 RepaintGraphWindow();
829 int CmdBuffClear(const char *Cmd
)
831 UsbCommand c
= {CMD_BUFF_CLEAR
};
837 int CmdDec(const char *Cmd
)
839 for (int i
= 0; i
< (GraphTraceLen
/ 2); ++i
)
840 GraphBuffer
[i
] = GraphBuffer
[i
* 2];
842 PrintAndLog("decimated by 2");
843 RepaintGraphWindow();
847 * Undecimate - I'd call it 'interpolate', but we'll save that
848 * name until someone does an actual interpolation command, not just
849 * blindly repeating samples
853 int CmdUndec(const char *Cmd
)
855 if(param_getchar(Cmd
, 0) == 'h')
857 PrintAndLog("Usage: data undec [factor]");
858 PrintAndLog("This function performs un-decimation, by repeating each sample N times");
859 PrintAndLog("Options: ");
860 PrintAndLog(" h This help");
861 PrintAndLog(" factor The number of times to repeat each sample.[default:2]");
862 PrintAndLog("Example: 'data undec 3'");
866 uint8_t factor
= param_get8ex(Cmd
, 0,2, 10);
867 //We have memory, don't we?
868 int swap
[MAX_GRAPH_TRACE_LEN
] = { 0 };
869 uint32_t g_index
= 0 ,s_index
= 0;
870 while(g_index
< GraphTraceLen
&& s_index
< MAX_GRAPH_TRACE_LEN
)
873 for(count
= 0; count
< factor
&& s_index
+count
< MAX_GRAPH_TRACE_LEN
; count
++)
874 swap
[s_index
+count
] = GraphBuffer
[g_index
];
878 memcpy(GraphBuffer
,swap
, s_index
* sizeof(int));
879 GraphTraceLen
= s_index
;
880 RepaintGraphWindow();
885 //shift graph zero up or down based on input + or -
886 int CmdGraphShiftZero(const char *Cmd
)
890 //set options from parameters entered with the command
891 sscanf(Cmd
, "%i", &shift
);
893 for(int i
= 0; i
<GraphTraceLen
; i
++){
894 shiftedVal
=GraphBuffer
[i
]+shift
;
897 else if (shiftedVal
<-127)
899 GraphBuffer
[i
]= shiftedVal
;
906 //use large jumps in read samples to identify edges of waves and then amplify that wave to max
907 //similar to dirtheshold, threshold, and askdemod commands
908 //takes a threshold length which is the measured length between two samples then determines an edge
909 int CmdAskEdgeDetect(const char *Cmd
)
912 sscanf(Cmd
, "%i", &thresLen
);
915 for(int i
= 1; i
<GraphTraceLen
; i
++){
916 if (GraphBuffer
[i
]-GraphBuffer
[i
-1]>=thresLen
) //large jump up
918 else if(GraphBuffer
[i
]-GraphBuffer
[i
-1]<=-1*thresLen
) //large jump down
921 shiftedVal
=GraphBuffer
[i
]+shift
;
925 else if (shiftedVal
<-127)
927 GraphBuffer
[i
-1] = shiftedVal
;
929 RepaintGraphWindow();
934 /* Print our clock rate */
935 // uses data from graphbuffer
936 // adjusted to take char parameter for type of modulation to find the clock - by marshmellow.
937 int CmdDetectClockRate(const char *Cmd
)
939 char cmdp
= param_getchar(Cmd
, 0);
940 if (strlen(Cmd
) > 3 || strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H') {
941 PrintAndLog("Usage: data detectclock [modulation]");
942 PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of");
943 PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
945 PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer");
946 PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer");
947 PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer");
948 PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer");
952 ans
= GetAskClock("", true, false);
953 } else if (cmdp
== 'f'){
954 ans
= GetFskClock("", true, false);
955 } else if (cmdp
== 'n'){
956 ans
= GetNrzClock("", true, false);
957 } else if (cmdp
== 'p'){
958 ans
= GetPskClock("", true, false);
960 PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help");
966 //fsk raw demod and print binary
967 //takes 4 arguments - Clock, invert, fchigh, fclow
968 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
969 int FSKrawDemod(const char *Cmd
, bool verbose
)
971 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
978 //set options from parameters entered with the command
979 sscanf(Cmd
, "%i %i %i %i", &rfLen
, &invert
, &fchigh
, &fclow
);
981 if (strlen(Cmd
)>0 && strlen(Cmd
)<=2) {
983 invert
=1; //if invert option only is used
988 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
989 size_t BitLen
= getFromGraphBuf(BitStream
);
990 if (BitLen
==0) return 0;
991 //get field clock lengths
994 if (fchigh
==0 || fclow
== 0){
995 fcs
= countFC(BitStream
, BitLen
, &dummy
);
1000 fchigh
= (fcs
>> 8) & 0xFF;
1004 //get bit clock length
1006 rfLen
= detectFSKClk(BitStream
, BitLen
, fchigh
, fclow
);
1007 if (rfLen
== 0) rfLen
= 50;
1009 if (verbose
) PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert
,rfLen
,fchigh
, fclow
);
1010 int size
= fskdemod(BitStream
,BitLen
,(uint8_t)rfLen
,(uint8_t)invert
,(uint8_t)fchigh
,(uint8_t)fclow
);
1012 setDemodBuf(BitStream
,size
,0);
1014 // Now output the bitstream to the scrollback by line of 16 bits
1015 if(size
> (8*32)+2) size
= (8*32)+2; //only output a max of 8 blocks of 32 bits most tags will have full bit stream inside that sample size
1017 PrintAndLog("FSK decoded bitstream:");
1018 printBitStream(BitStream
,size
);
1023 if (verbose
) PrintAndLog("no FSK data found");
1029 //fsk raw demod and print binary
1030 //takes 4 arguments - Clock, invert, fchigh, fclow
1031 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
1032 int CmdFSKrawdemod(const char *Cmd
)
1034 char cmdp
= param_getchar(Cmd
, 0);
1035 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1036 PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]");
1037 PrintAndLog(" [set clock as integer] optional, omit for autodetect.");
1038 PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted");
1039 PrintAndLog(" [fchigh], larger field clock length, omit for autodetect");
1040 PrintAndLog(" [fclow], small field clock length, omit for autodetect");
1042 PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect");
1043 PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
1044 PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output");
1045 PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
1046 PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer");
1047 PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
1048 PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
1051 return FSKrawDemod(Cmd
, TRUE
);
1054 //by marshmellow (based on existing demod + holiman's refactor)
1055 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
1056 //print full HID Prox ID and some bit format details if found
1057 int CmdFSKdemodHID(const char *Cmd
)
1059 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1060 uint32_t hi2
=0, hi
=0, lo
=0;
1062 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1063 size_t BitLen
= getFromGraphBuf(BitStream
);
1064 if (BitLen
==0) return 0;
1065 //get binary from fsk wave
1066 int idx
= HIDdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1070 PrintAndLog("DEBUG: Just Noise Detected");
1071 } else if (idx
== -2) {
1072 PrintAndLog("DEBUG: Error demoding fsk");
1073 } else if (idx
== -3) {
1074 PrintAndLog("DEBUG: Preamble not found");
1075 } else if (idx
== -4) {
1076 PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen
);
1078 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1083 if (hi2
==0 && hi
==0 && lo
==0) {
1084 if (g_debugMode
) PrintAndLog("DEBUG: Error - no values found");
1087 if (hi2
!= 0){ //extra large HID tags
1088 PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
1089 (unsigned int) hi2
, (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF);
1091 else { //standard HID tags <38 bits
1094 uint32_t cardnum
= 0;
1095 if (((hi
>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
1097 lo2
=(((hi
& 31) << 12) | (lo
>>20)); //get bits 21-37 to check for format len bit
1099 while(lo2
>1){ //find last bit set to 1 (format len bit)
1107 cardnum
= (lo
>>1)&0xFFFF;
1111 cardnum
= (lo
>>1)&0xFFFF;
1112 fc
= ((hi
&1)<<15)|(lo
>>17);
1115 cardnum
= (lo
>>1)&0xFFFFF;
1116 fc
= ((hi
&1)<<11)|(lo
>>21);
1119 else { //if bit 38 is not set then 37 bit format is used
1124 cardnum
= (lo
>>1)&0x7FFFF;
1125 fc
= ((hi
&0xF)<<12)|(lo
>>20);
1128 PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
1129 (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF,
1130 (unsigned int) fmtLen
, (unsigned int) fc
, (unsigned int) cardnum
);
1132 setDemodBuf(BitStream
,BitLen
,idx
);
1134 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
1141 //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
1142 //print full Paradox Prox ID and some bit format details if found
1143 int CmdFSKdemodParadox(const char *Cmd
)
1145 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1146 uint32_t hi2
=0, hi
=0, lo
=0;
1148 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1149 size_t BitLen
= getFromGraphBuf(BitStream
);
1150 if (BitLen
==0) return 0;
1151 //get binary from fsk wave
1152 int idx
= ParadoxdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1156 PrintAndLog("DEBUG: Just Noise Detected");
1157 } else if (idx
== -2) {
1158 PrintAndLog("DEBUG: Error demoding fsk");
1159 } else if (idx
== -3) {
1160 PrintAndLog("DEBUG: Preamble not found");
1161 } else if (idx
== -4) {
1162 PrintAndLog("DEBUG: Error in Manchester data");
1164 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1169 if (hi2
==0 && hi
==0 && lo
==0){
1170 if (g_debugMode
) PrintAndLog("DEBUG: Error - no value found");
1173 uint32_t fc
= ((hi
& 0x3)<<6) | (lo
>>26);
1174 uint32_t cardnum
= (lo
>>10)&0xFFFF;
1175 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1176 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1177 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1179 PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
1180 hi
>>10, (hi
& 0x3)<<26 | (lo
>>10), fc
, cardnum
, (lo
>>2) & 0xFF, rawHi2
, rawHi
, rawLo
);
1181 setDemodBuf(BitStream
,BitLen
,idx
);
1183 PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx
, BitLen
);
1190 //IO-Prox demod - FSK RF/64 with preamble of 000000001
1191 //print ioprox ID and some format details
1192 int CmdFSKdemodIO(const char *Cmd
)
1194 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1197 //something in graphbuffer?
1198 if (GraphTraceLen
< 65) {
1199 if (g_debugMode
)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
1202 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1203 size_t BitLen
= getFromGraphBuf(BitStream
);
1204 if (BitLen
==0) return 0;
1206 //get binary from fsk wave
1207 idx
= IOdemodFSK(BitStream
,BitLen
);
1211 PrintAndLog("DEBUG: Just Noise Detected");
1212 } else if (idx
== -2) {
1213 PrintAndLog("DEBUG: not enough samples");
1214 } else if (idx
== -3) {
1215 PrintAndLog("DEBUG: error during fskdemod");
1216 } else if (idx
== -4) {
1217 PrintAndLog("DEBUG: Preamble not found");
1218 } else if (idx
== -5) {
1219 PrintAndLog("DEBUG: Separator bits not found");
1221 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1227 if (g_debugMode
==1){
1228 PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen
);
1229 if (BitLen
> 92) printBitStream(BitStream
,92);
1234 //0 10 20 30 40 50 60
1236 //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
1237 //-----------------------------------------------------------------------------
1238 //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
1240 //XSF(version)facility:codeone+codetwo (raw)
1242 if (idx
+64>BitLen
) {
1243 if (g_debugMode
==1) PrintAndLog("not enough bits found - bitlen: %d",BitLen
);
1246 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]);
1247 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]);
1248 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]);
1249 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]);
1250 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]);
1251 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]);
1252 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]);
1254 uint32_t code
= bytebits_to_byte(BitStream
+idx
,32);
1255 uint32_t code2
= bytebits_to_byte(BitStream
+idx
+32,32);
1256 uint8_t version
= bytebits_to_byte(BitStream
+idx
+27,8); //14,4
1257 uint8_t facilitycode
= bytebits_to_byte(BitStream
+idx
+18,8) ;
1258 uint16_t number
= (bytebits_to_byte(BitStream
+idx
+36,8)<<8)|(bytebits_to_byte(BitStream
+idx
+45,8)); //36,9
1259 PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x)",version
,facilitycode
,number
,code
,code2
);
1260 setDemodBuf(BitStream
,64,idx
);
1262 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx
,64);
1269 //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream)
1270 //print full AWID Prox ID and some bit format details if found
1271 int CmdFSKdemodAWID(const char *Cmd
)
1275 //sscanf(Cmd, "%i", &verbose);
1277 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1278 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1279 size_t size
= getFromGraphBuf(BitStream
);
1280 if (size
==0) return 0;
1282 //get binary from fsk wave
1283 int idx
= AWIDdemodFSK(BitStream
, &size
);
1285 if (g_debugMode
==1){
1287 PrintAndLog("DEBUG: Error - not enough samples");
1289 PrintAndLog("DEBUG: Error - only noise found");
1291 PrintAndLog("DEBUG: Error - problem during FSK demod");
1293 PrintAndLog("DEBUG: Error - AWID preamble not found");
1295 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1297 PrintAndLog("DEBUG: Error %d",idx
);
1303 // 0 10 20 30 40 50 60
1305 // 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
1306 // -----------------------------------------------------------------------------
1307 // 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
1308 // 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
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)
1315 //get raw ID before removing parities
1316 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1317 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1318 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1319 setDemodBuf(BitStream
,96,idx
);
1321 size
= removeParity(BitStream
, idx
+8, 4, 1, 88);
1323 if (g_debugMode
==1) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
1326 // ok valid card found!
1329 // 0 10 20 30 40 50 60
1331 // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
1332 // -----------------------------------------------------------------------------
1333 // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
1334 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1335 // |26 bit| |-117--| |-----142------|
1336 // b = format bit len, o = odd parity of last 3 bits
1337 // f = facility code, c = card number
1338 // w = wiegand parity
1339 // (26 bit format shown)
1342 uint32_t cardnum
= 0;
1345 uint8_t fmtLen
= bytebits_to_byte(BitStream
,8);
1347 fc
= bytebits_to_byte(BitStream
+9, 8);
1348 cardnum
= bytebits_to_byte(BitStream
+17, 16);
1349 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1350 PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1352 cardnum
= bytebits_to_byte(BitStream
+8+(fmtLen
-17), 16);
1354 code1
= bytebits_to_byte(BitStream
+8,fmtLen
-32);
1355 code2
= bytebits_to_byte(BitStream
+8+(fmtLen
-32),32);
1356 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, code2
, rawHi2
, rawHi
, rawLo
);
1358 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1359 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1363 PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx
, 96);
1366 //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
1371 //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream)
1372 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
1373 int CmdFSKdemodPyramid(const char *Cmd
)
1375 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1376 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1377 size_t size
= getFromGraphBuf(BitStream
);
1378 if (size
==0) return 0;
1380 //get binary from fsk wave
1381 int idx
= PyramiddemodFSK(BitStream
, &size
);
1383 if (g_debugMode
==1){
1385 PrintAndLog("DEBUG: Error - not enough samples");
1387 PrintAndLog("DEBUG: Error - only noise found");
1389 PrintAndLog("DEBUG: Error - problem during FSK demod");
1391 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1393 PrintAndLog("DEBUG: Error - Pyramid preamble not found");
1395 PrintAndLog("DEBUG: Error - idx: %d",idx
);
1400 // 0 10 20 30 40 50 60
1402 // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
1403 // -----------------------------------------------------------------------------
1404 // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
1405 // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
1407 // 64 70 80 90 100 110 120
1409 // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
1410 // -----------------------------------------------------------------------------
1411 // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
1412 // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
1413 // |---115---||---------71---------|
1414 // s = format start bit, o = odd parity of last 7 bits
1415 // f = facility code, c = card number
1416 // w = wiegand parity, x = extra space for other formats
1417 // p = unknown checksum
1418 // (26 bit format shown)
1420 //get raw ID before removing parities
1421 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+96,32);
1422 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+64,32);
1423 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
+32,32);
1424 uint32_t rawHi3
= bytebits_to_byte(BitStream
+idx
,32);
1425 setDemodBuf(BitStream
,128,idx
);
1427 size
= removeParity(BitStream
, idx
+8, 8, 1, 120);
1429 if (g_debugMode
==1) PrintAndLog("DEBUG: Error at parity check-tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size
, idx
, rawHi3
);
1433 // ok valid card found!
1436 // 0 10 20 30 40 50 60 70
1438 // 01234567890123456789012345678901234567890123456789012345678901234567890
1439 // -----------------------------------------------------------------------
1440 // 00000000000000000000000000000000000000000000000000000000000000000000000
1441 // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1445 // 1 2 34567890 1234567890123456 7 8901234
1446 // ---------------------------------------
1447 // 1 1 01110011 0000000001000110 0 1001010
1448 // s w ffffffff cccccccccccccccc w ppppppp
1449 // |--115-| |------71------|
1450 // s = format start bit, o = odd parity of last 7 bits
1451 // f = facility code, c = card number
1452 // w = wiegand parity, x = extra space for other formats
1453 // p = unknown checksum
1454 // (26 bit format shown)
1456 //find start bit to get fmtLen
1458 for (j
=0; j
<size
; j
++){
1459 if(BitStream
[j
]) break;
1461 uint8_t fmtLen
= size
-j
-8;
1463 uint32_t cardnum
= 0;
1465 //uint32_t code2 = 0;
1467 fc
= bytebits_to_byte(BitStream
+73, 8);
1468 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1469 code1
= bytebits_to_byte(BitStream
+72,fmtLen
);
1470 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
);
1471 } else if (fmtLen
==45){
1472 fmtLen
=42; //end = 10 bits not 7 like 26 bit fmt
1473 fc
= bytebits_to_byte(BitStream
+53, 10);
1474 cardnum
= bytebits_to_byte(BitStream
+63, 32);
1475 PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen
, fc
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1477 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1479 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32);
1480 //code2 = bytebits_to_byte(BitStream+(size-32),32);
1481 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1483 //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen);
1484 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1488 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, 128);
1494 int CmdFSKdemod(const char *Cmd
) //old CmdFSKdemod needs updating
1496 static const int LowTone
[] = {
1497 1, 1, 1, 1, 1, -1, -1, -1, -1, -1,
1498 1, 1, 1, 1, 1, -1, -1, -1, -1, -1,
1499 1, 1, 1, 1, 1, -1, -1, -1, -1, -1,
1500 1, 1, 1, 1, 1, -1, -1, -1, -1, -1,
1501 1, 1, 1, 1, 1, -1, -1, -1, -1, -1
1503 static const int HighTone
[] = {
1504 1, 1, 1, 1, 1, -1, -1, -1, -1,
1505 1, 1, 1, 1, -1, -1, -1, -1,
1506 1, 1, 1, 1, -1, -1, -1, -1,
1507 1, 1, 1, 1, -1, -1, -1, -1,
1508 1, 1, 1, 1, -1, -1, -1, -1,
1509 1, 1, 1, 1, -1, -1, -1, -1, -1,
1512 int lowLen
= sizeof (LowTone
) / sizeof (int);
1513 int highLen
= sizeof (HighTone
) / sizeof (int);
1514 int convLen
= (highLen
> lowLen
) ? highLen
: lowLen
;
1515 uint32_t hi
= 0, lo
= 0;
1518 int minMark
= 0, maxMark
= 0;
1520 for (i
= 0; i
< GraphTraceLen
- convLen
; ++i
) {
1521 int lowSum
= 0, highSum
= 0;
1523 for (j
= 0; j
< lowLen
; ++j
) {
1524 lowSum
+= LowTone
[j
]*GraphBuffer
[i
+j
];
1526 for (j
= 0; j
< highLen
; ++j
) {
1527 highSum
+= HighTone
[j
] * GraphBuffer
[i
+ j
];
1529 lowSum
= abs(100 * lowSum
/ lowLen
);
1530 highSum
= abs(100 * highSum
/ highLen
);
1531 GraphBuffer
[i
] = (highSum
<< 16) | lowSum
;
1534 for(i
= 0; i
< GraphTraceLen
- convLen
- 16; ++i
) {
1535 int lowTot
= 0, highTot
= 0;
1536 // 10 and 8 are f_s divided by f_l and f_h, rounded
1537 for (j
= 0; j
< 10; ++j
) {
1538 lowTot
+= (GraphBuffer
[i
+j
] & 0xffff);
1540 for (j
= 0; j
< 8; j
++) {
1541 highTot
+= (GraphBuffer
[i
+ j
] >> 16);
1543 GraphBuffer
[i
] = lowTot
- highTot
;
1544 if (GraphBuffer
[i
] > maxMark
) maxMark
= GraphBuffer
[i
];
1545 if (GraphBuffer
[i
] < minMark
) minMark
= GraphBuffer
[i
];
1548 GraphTraceLen
-= (convLen
+ 16);
1549 RepaintGraphWindow();
1551 // Find bit-sync (3 lo followed by 3 high) (HID ONLY)
1552 int max
= 0, maxPos
= 0;
1553 for (i
= 0; i
< 6000; ++i
) {
1555 for (j
= 0; j
< 3 * lowLen
; ++j
) {
1556 dec
-= GraphBuffer
[i
+ j
];
1558 for (; j
< 3 * (lowLen
+ highLen
); ++j
) {
1559 dec
+= GraphBuffer
[i
+ j
];
1567 // place start of bit sync marker in graph
1568 GraphBuffer
[maxPos
] = maxMark
;
1569 GraphBuffer
[maxPos
+ 1] = minMark
;
1573 // place end of bit sync marker in graph
1574 GraphBuffer
[maxPos
] = maxMark
;
1575 GraphBuffer
[maxPos
+1] = minMark
;
1577 PrintAndLog("actual data bits start at sample %d", maxPos
);
1578 PrintAndLog("length %d/%d", highLen
, lowLen
);
1580 uint8_t bits
[46] = {0x00};
1582 // find bit pairs and manchester decode them
1583 for (i
= 0; i
< arraylen(bits
) - 1; ++i
) {
1585 for (j
= 0; j
< lowLen
; ++j
) {
1586 dec
-= GraphBuffer
[maxPos
+ j
];
1588 for (; j
< lowLen
+ highLen
; ++j
) {
1589 dec
+= GraphBuffer
[maxPos
+ j
];
1592 // place inter bit marker in graph
1593 GraphBuffer
[maxPos
] = maxMark
;
1594 GraphBuffer
[maxPos
+ 1] = minMark
;
1596 // hi and lo form a 64 bit pair
1597 hi
= (hi
<< 1) | (lo
>> 31);
1599 // store decoded bit as binary (in hi/lo) and text (in bits[])
1607 PrintAndLog("bits: '%s'", bits
);
1608 PrintAndLog("hex: %08x %08x", hi
, lo
);
1613 //attempt to psk1 demod graph buffer
1614 int PSKDemod(const char *Cmd
, bool verbose
)
1619 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1624 if (invert
!= 0 && invert
!= 1) {
1625 if (verbose
) PrintAndLog("Invalid argument: %s", Cmd
);
1628 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1629 size_t BitLen
= getFromGraphBuf(BitStream
);
1630 if (BitLen
==0) return -1;
1631 uint8_t carrier
=countPSK_FC(BitStream
, BitLen
);
1632 if (carrier
!=2 && carrier
!=4 && carrier
!=8){
1637 errCnt
= pskRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1638 if (errCnt
> maxErr
){
1639 if (g_debugMode
==1 && verbose
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1642 if (errCnt
<0|| BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1643 if (g_debugMode
==1 && verbose
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1646 if (verbose
) PrintAndLog("Tried PSK Demod using Clock: %d - invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
1647 //prime demod buffer for output
1648 setDemodBuf(BitStream
,BitLen
,0);
1652 // Indala 26 bit decode
1654 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
1655 int CmdIndalaDecode(const char *Cmd
)
1659 ans
= PSKDemod(Cmd
, 0);
1660 } else{ //default to RF/32
1661 ans
= PSKDemod("32", 0);
1666 PrintAndLog("Error1: %d",ans
);
1670 ans
= indala26decode(DemodBuffer
,(size_t *) &DemodBufferLen
, &invert
);
1673 PrintAndLog("Error2: %d",ans
);
1676 char showbits
[251]={0x00};
1679 PrintAndLog("Had to invert bits");
1681 //convert UID to HEX
1682 uint32_t uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
;
1686 PrintAndLog("BitLen: %d",DemodBufferLen
);
1687 if (DemodBufferLen
==64){
1688 for( idx
=0; idx
<64; idx
++) {
1689 uid1
=(uid1
<<1)|(uid2
>>31);
1690 if (DemodBuffer
[idx
] == 0) {
1699 PrintAndLog("Indala UID=%s (%x%08x)", showbits
, uid1
, uid2
);
1707 for( idx
=0; idx
<DemodBufferLen
; idx
++) {
1708 uid1
=(uid1
<<1)|(uid2
>>31);
1709 uid2
=(uid2
<<1)|(uid3
>>31);
1710 uid3
=(uid3
<<1)|(uid4
>>31);
1711 uid4
=(uid4
<<1)|(uid5
>>31);
1712 uid5
=(uid5
<<1)|(uid6
>>31);
1713 uid6
=(uid6
<<1)|(uid7
>>31);
1714 if (DemodBuffer
[idx
] == 0) {
1724 PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits
, uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
);
1727 PrintAndLog("DEBUG: printing demodbuffer:");
1734 // takes 3 arguments - clock, invert, maxErr as integers
1735 // attempts to demodulate nrz only
1736 // prints binary found and saves in demodbuffer for further commands
1738 int NRZrawDemod(const char *Cmd
, bool verbose
)
1743 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1748 if (invert
!= 0 && invert
!= 1) {
1749 PrintAndLog("Invalid argument: %s", Cmd
);
1752 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1753 size_t BitLen
= getFromGraphBuf(BitStream
);
1754 if (BitLen
==0) return 0;
1756 errCnt
= nrzRawDemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
);
1757 if (errCnt
> maxErr
){
1758 if (g_debugMode
==1 && verbose
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1761 if (errCnt
<0|| BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1762 if (g_debugMode
==1 && verbose
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1765 PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
1766 //prime demod buffer for output
1767 setDemodBuf(BitStream
,BitLen
,0);
1769 if (errCnt
>0 && verbose
){
1770 PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt
);
1773 PrintAndLog("NRZ demoded bitstream:");
1774 // Now output the bitstream to the scrollback by line of 16 bits
1780 int CmdNRZrawDemod(const char *Cmd
)
1782 char cmdp
= param_getchar(Cmd
, 0);
1783 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1784 PrintAndLog("Usage: data rawdemod nr [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 nr = demod a nrz/direct tag from GraphBuffer");
1790 PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
1791 PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
1792 PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data");
1793 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");
1796 return NRZrawDemod(Cmd
, TRUE
);
1800 // takes 3 arguments - clock, invert, maxErr as integers
1801 // attempts to demodulate psk only
1802 // prints binary found and saves in demodbuffer for further commands
1803 int CmdPSK1rawDemod(const char *Cmd
)
1806 char cmdp
= param_getchar(Cmd
, 0);
1807 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1808 PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]");
1809 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1810 PrintAndLog(" <invert>, 1 for invert output");
1811 PrintAndLog(" [set maximum allowed errors], default = 100.");
1813 PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer");
1814 PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32");
1815 PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
1816 PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data");
1817 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");
1820 errCnt
= PSKDemod(Cmd
, TRUE
);
1823 if (g_debugMode
) PrintAndLog("Error demoding: %d",errCnt
);
1827 PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt
);
1829 PrintAndLog("PSK demoded bitstream:");
1830 // Now output the bitstream to the scrollback by line of 16 bits
1836 // takes same args as cmdpsk1rawdemod
1837 int CmdPSK2rawDemod(const char *Cmd
)
1840 char cmdp
= param_getchar(Cmd
, 0);
1841 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H') {
1842 PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]");
1843 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
1844 PrintAndLog(" <invert>, 1 for invert output");
1845 PrintAndLog(" [set maximum allowed errors], default = 100.");
1847 PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock");
1848 PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32");
1849 PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
1850 PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
1851 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");
1854 errCnt
=PSKDemod(Cmd
, TRUE
);
1856 if (g_debugMode
) PrintAndLog("Error demoding: %d",errCnt
);
1859 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
1862 PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt
);
1863 PrintAndLog("PSK2 demoded bitstream:");
1864 // Now output the bitstream to the scrollback by line of 16 bits
1868 PrintAndLog("PSK2 demoded bitstream:");
1869 // Now output the bitstream to the scrollback by line of 16 bits
1875 // by marshmellow - combines all raw demod functions into one menu command
1876 int CmdRawDemod(const char *Cmd
)
1878 char cmdp
= Cmd
[0]; //param_getchar(Cmd, 0);
1880 if (strlen(Cmd
) > 14 || cmdp
== 'h' || cmdp
== 'H' || strlen(Cmd
)<2) {
1881 PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>");
1882 PrintAndLog(" [modulation] as 2 char, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
1883 PrintAndLog(" <help> as 'h', prints the help for the specific modulation");
1884 PrintAndLog(" <options> see specific modulation help for optional parameters");
1886 PrintAndLog(" sample: data rawdemod fs h = print help for ask/raw demod");
1887 PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect");
1888 PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect");
1889 PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect");
1890 PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect");
1891 PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect");
1892 PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect");
1895 char cmdp2
= Cmd
[1];
1897 if (cmdp
== 'f' && cmdp2
== 's'){
1898 ans
= CmdFSKrawdemod(Cmd
+3);
1899 } else if(cmdp
== 'a' && cmdp2
== 'm'){
1900 ans
= Cmdaskmandemod(Cmd
+3);
1901 } else if(cmdp
== 'a' && cmdp2
== 'r'){
1902 ans
= Cmdaskrawdemod(Cmd
+3);
1903 } else if(cmdp
== 'n' && cmdp2
== 'r'){
1904 ans
= CmdNRZrawDemod(Cmd
+3);
1905 } else if(cmdp
== 'p' && cmdp2
== '1'){
1906 ans
= CmdPSK1rawDemod(Cmd
+3);
1907 } else if(cmdp
== 'p' && cmdp2
== '2'){
1908 ans
= CmdPSK2rawDemod(Cmd
+3);
1910 PrintAndLog("unknown modulation entered - see help ('h') for parameter structure");
1915 int CmdGrid(const char *Cmd
)
1917 sscanf(Cmd
, "%i %i", &PlotGridX
, &PlotGridY
);
1918 PlotGridXdefault
= PlotGridX
;
1919 PlotGridYdefault
= PlotGridY
;
1920 RepaintGraphWindow();
1924 int CmdHexsamples(const char *Cmd
)
1929 char string_buf
[25];
1930 char* string_ptr
= string_buf
;
1931 uint8_t got
[BIGBUF_SIZE
];
1933 sscanf(Cmd
, "%i %i", &requested
, &offset
);
1935 /* if no args send something */
1936 if (requested
== 0) {
1939 if (offset
+ requested
> sizeof(got
)) {
1940 PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE
);
1944 GetFromBigBuf(got
,requested
,offset
);
1945 WaitForResponse(CMD_ACK
,NULL
);
1948 for (j
= 0; j
< requested
; j
++) {
1950 string_ptr
+= sprintf(string_ptr
, "%02x ", got
[j
]);
1952 *(string_ptr
- 1) = '\0'; // remove the trailing space
1953 PrintAndLog("%s", string_buf
);
1954 string_buf
[0] = '\0';
1955 string_ptr
= string_buf
;
1958 if (j
== requested
- 1 && string_buf
[0] != '\0') { // print any remaining bytes
1959 *(string_ptr
- 1) = '\0';
1960 PrintAndLog("%s", string_buf
);
1961 string_buf
[0] = '\0';
1967 int CmdHide(const char *Cmd
)
1973 //zero mean GraphBuffer
1974 int CmdHpf(const char *Cmd
)
1979 for (i
= 10; i
< GraphTraceLen
; ++i
)
1980 accum
+= GraphBuffer
[i
];
1981 accum
/= (GraphTraceLen
- 10);
1982 for (i
= 0; i
< GraphTraceLen
; ++i
)
1983 GraphBuffer
[i
] -= accum
;
1985 RepaintGraphWindow();
1994 bool _headBit( BitstreamOut
*stream
)
1996 int bytepos
= stream
->position
>> 3; // divide by 8
1997 int bitpos
= (stream
->position
++) & 7; // mask out 00000111
1998 return (*(stream
->buffer
+ bytepos
) >> (7-bitpos
)) & 1;
2001 uint8_t getByte(uint8_t bits_per_sample
, BitstreamOut
* b
)
2005 for(i
=0 ; i
< bits_per_sample
; i
++)
2007 val
|= (_headBit(b
) << (7-i
));
2012 int CmdSamples(const char *Cmd
)
2014 //If we get all but the last byte in bigbuf,
2015 // we don't have to worry about remaining trash
2016 // in the last byte in case the bits-per-sample
2017 // does not line up on byte boundaries
2018 uint8_t got
[BIGBUF_SIZE
-1] = { 0 };
2020 int n
= strtol(Cmd
, NULL
, 0);
2024 if (n
> sizeof(got
))
2027 PrintAndLog("Reading %d bytes from device memory\n", n
);
2028 GetFromBigBuf(got
,n
,0);
2029 PrintAndLog("Data fetched");
2030 UsbCommand response
;
2031 WaitForResponse(CMD_ACK
, &response
);
2032 uint8_t bits_per_sample
= 8;
2034 //Old devices without this feature would send 0 at arg[0]
2035 if(response
.arg
[0] > 0)
2037 sample_config
*sc
= (sample_config
*) response
.d
.asBytes
;
2038 PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc
->bits_per_sample
2040 bits_per_sample
= sc
->bits_per_sample
;
2042 if(bits_per_sample
< 8)
2044 PrintAndLog("Unpacking...");
2045 BitstreamOut bout
= { got
, bits_per_sample
* n
, 0};
2047 for (j
= 0; j
* bits_per_sample
< n
* 8 && j
< sizeof(GraphBuffer
); j
++) {
2048 uint8_t sample
= getByte(bits_per_sample
, &bout
);
2049 GraphBuffer
[j
] = ((int) sample
)- 128;
2052 PrintAndLog("Unpacked %d samples" , j
);
2055 for (int j
= 0; j
< n
; j
++) {
2056 GraphBuffer
[j
] = ((int)got
[j
]) - 128;
2061 RepaintGraphWindow();
2065 int CmdTuneSamples(const char *Cmd
)
2068 printf("\nMeasuring antenna characteristics, please wait...");
2070 UsbCommand c
= {CMD_MEASURE_ANTENNA_TUNING
};
2074 while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING
,&resp
,1000)) {
2078 PrintAndLog("\nNo response from Proxmark. Aborting...");
2084 int vLf125
, vLf134
, vHf
;
2085 vLf125
= resp
.arg
[0] & 0xffff;
2086 vLf134
= resp
.arg
[0] >> 16;
2087 vHf
= resp
.arg
[1] & 0xffff;;
2088 peakf
= resp
.arg
[2] & 0xffff;
2089 peakv
= resp
.arg
[2] >> 16;
2091 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125
/1000.0);
2092 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134
/1000.0);
2093 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv
/1000.0, 12000.0/(peakf
+1));
2094 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf
/1000.0);
2096 #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
2097 #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
2098 #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2099 #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2101 if (peakv
< LF_UNUSABLE_V
)
2102 PrintAndLog("# Your LF antenna is unusable.");
2103 else if (peakv
< LF_MARGINAL_V
)
2104 PrintAndLog("# Your LF antenna is marginal.");
2105 if (vHf
< HF_UNUSABLE_V
)
2106 PrintAndLog("# Your HF antenna is unusable.");
2107 else if (vHf
< HF_MARGINAL_V
)
2108 PrintAndLog("# Your HF antenna is marginal.");
2110 if (peakv
>= LF_UNUSABLE_V
) {
2111 for (int i
= 0; i
< 256; i
++) {
2112 GraphBuffer
[i
] = resp
.d
.asBytes
[i
] - 128;
2114 PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n");
2116 GraphTraceLen
= 256;
2118 RepaintGraphWindow();
2125 int CmdLoad(const char *Cmd
)
2127 char filename
[FILE_PATH_SIZE
] = {0x00};
2131 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2132 memcpy(filename
, Cmd
, len
);
2134 FILE *f
= fopen(filename
, "r");
2136 PrintAndLog("couldn't open '%s'", filename
);
2142 while (fgets(line
, sizeof (line
), f
)) {
2143 GraphBuffer
[GraphTraceLen
] = atoi(line
);
2147 PrintAndLog("loaded %d samples", GraphTraceLen
);
2148 RepaintGraphWindow();
2152 int CmdLtrim(const char *Cmd
)
2156 for (int i
= ds
; i
< GraphTraceLen
; ++i
)
2157 GraphBuffer
[i
-ds
] = GraphBuffer
[i
];
2158 GraphTraceLen
-= ds
;
2160 RepaintGraphWindow();
2164 // trim graph to input argument length
2165 int CmdRtrim(const char *Cmd
)
2171 RepaintGraphWindow();
2176 * Manchester demodulate a bitstream. The bitstream needs to be already in
2177 * the GraphBuffer as 0 and 1 values
2179 * Give the clock rate as argument in order to help the sync - the algorithm
2180 * resyncs at each pulse anyway.
2182 * Not optimized by any means, this is the 1st time I'm writing this type of
2183 * routine, feel free to improve...
2185 * 1st argument: clock rate (as number of samples per clock rate)
2186 * Typical values can be 64, 32, 128...
2188 int CmdManchesterDemod(const char *Cmd
)
2190 int i
, j
, invert
= 0;
2196 int hithigh
, hitlow
, first
;
2202 /* check if we're inverting output */
2205 PrintAndLog("Inverting output");
2210 while(*Cmd
== ' '); // in case a 2nd argument was given
2213 /* Holds the decoded bitstream: each clock period contains 2 bits */
2214 /* later simplified to 1 bit after manchester decoding. */
2215 /* Add 10 bits to allow for noisy / uncertain traces without aborting */
2216 /* int BitStream[GraphTraceLen*2/clock+10]; */
2218 /* But it does not work if compiling on WIndows: therefore we just allocate a */
2220 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
] = {0};
2222 /* Detect high and lows */
2223 for (i
= 0; i
< GraphTraceLen
; i
++)
2225 if (GraphBuffer
[i
] > high
)
2226 high
= GraphBuffer
[i
];
2227 else if (GraphBuffer
[i
] < low
)
2228 low
= GraphBuffer
[i
];
2232 clock
= GetAskClock(Cmd
, high
, 1);
2234 int tolerance
= clock
/4;
2236 /* Detect first transition */
2237 /* Lo-Hi (arbitrary) */
2238 /* skip to the first high */
2239 for (i
= 0; i
< GraphTraceLen
; i
++)
2240 if (GraphBuffer
[i
] == high
)
2242 /* now look for the first low */
2243 for (; i
< GraphTraceLen
; i
++)
2245 if (GraphBuffer
[i
] == low
)
2252 /* If we're not working with 1/0s, demod based off clock */
2255 bit
= 0; /* We assume the 1st bit is zero, it may not be
2256 * the case: this routine (I think) has an init problem.
2259 for (; i
< (int)(GraphTraceLen
/ clock
); i
++)
2265 /* Find out if we hit both high and low peaks */
2266 for (j
= 0; j
< clock
; j
++)
2268 if (GraphBuffer
[(i
* clock
) + j
] == high
)
2270 else if (GraphBuffer
[(i
* clock
) + j
] == low
)
2273 /* it doesn't count if it's the first part of our read
2274 because it's really just trailing from the last sequence */
2275 if (first
&& (hithigh
|| hitlow
))
2276 hithigh
= hitlow
= 0;
2280 if (hithigh
&& hitlow
)
2284 /* If we didn't hit both high and low peaks, we had a bit transition */
2285 if (!hithigh
|| !hitlow
)
2288 BitStream
[bit2idx
++] = bit
^ invert
;
2292 /* standard 1/0 bitstream */
2296 /* Then detect duration between 2 successive transitions */
2297 for (bitidx
= 1; i
< GraphTraceLen
; i
++)
2299 if (GraphBuffer
[i
-1] != GraphBuffer
[i
])
2304 // Error check: if bitidx becomes too large, we do not
2305 // have a Manchester encoded bitstream or the clock is really
2307 if (bitidx
> (GraphTraceLen
*2/clock
+8) ) {
2308 PrintAndLog("Error: the clock you gave is probably wrong, aborting.");
2311 // Then switch depending on lc length:
2312 // Tolerance is 1/4 of clock rate (arbitrary)
2313 if (abs(lc
-clock
/2) < tolerance
) {
2314 // Short pulse : either "1" or "0"
2315 BitStream
[bitidx
++]=GraphBuffer
[i
-1];
2316 } else if (abs(lc
-clock
) < tolerance
) {
2317 // Long pulse: either "11" or "00"
2318 BitStream
[bitidx
++]=GraphBuffer
[i
-1];
2319 BitStream
[bitidx
++]=GraphBuffer
[i
-1];
2323 PrintAndLog("Warning: Manchester decode error for pulse width detection.");
2324 PrintAndLog("(too many of those messages mean either the stream is not Manchester encoded, or clock is wrong)");
2328 PrintAndLog("Error: too many detection errors, aborting.");
2335 // At this stage, we now have a bitstream of "01" ("1") or "10" ("0"), parse it into final decoded bitstream
2336 // Actually, we overwrite BitStream with the new decoded bitstream, we just need to be careful
2337 // to stop output at the final bitidx2 value, not bitidx
2338 for (i
= 0; i
< bitidx
; i
+= 2) {
2339 if ((BitStream
[i
] == 0) && (BitStream
[i
+1] == 1)) {
2340 BitStream
[bit2idx
++] = 1 ^ invert
;
2341 } else if ((BitStream
[i
] == 1) && (BitStream
[i
+1] == 0)) {
2342 BitStream
[bit2idx
++] = 0 ^ invert
;
2344 // We cannot end up in this state, this means we are unsynchronized,
2348 PrintAndLog("Unsynchronized, resync...");
2349 PrintAndLog("(too many of those messages mean the stream is not Manchester encoded)");
2353 PrintAndLog("Error: too many decode errors, aborting.");
2360 PrintAndLog("Manchester decoded bitstream");
2361 // Now output the bitstream to the scrollback by line of 16 bits
2362 for (i
= 0; i
< (bit2idx
-16); i
+=16) {
2363 PrintAndLog("%i %i %i %i %i %i %i %i %i %i %i %i %i %i %i %i",
2384 /* Modulate our data into manchester */
2385 int CmdManchesterMod(const char *Cmd
)
2389 int bit
, lastbit
, wave
;
2392 clock
= GetAskClock(Cmd
, 0, 1);
2396 for (i
= 0; i
< (int)(GraphTraceLen
/ clock
); i
++)
2398 bit
= GraphBuffer
[i
* clock
] ^ 1;
2400 for (j
= 0; j
< (int)(clock
/2); j
++)
2401 GraphBuffer
[(i
* clock
) + j
] = bit
^ lastbit
^ wave
;
2402 for (j
= (int)(clock
/2); j
< clock
; j
++)
2403 GraphBuffer
[(i
* clock
) + j
] = bit
^ lastbit
^ wave
^ 1;
2405 /* Keep track of how we start our wave and if we changed or not this time */
2406 wave
^= bit
^ lastbit
;
2410 RepaintGraphWindow();
2414 int CmdNorm(const char *Cmd
)
2417 int max
= INT_MIN
, min
= INT_MAX
;
2419 for (i
= 10; i
< GraphTraceLen
; ++i
) {
2420 if (GraphBuffer
[i
] > max
)
2421 max
= GraphBuffer
[i
];
2422 if (GraphBuffer
[i
] < min
)
2423 min
= GraphBuffer
[i
];
2427 for (i
= 0; i
< GraphTraceLen
; ++i
) {
2428 GraphBuffer
[i
] = (GraphBuffer
[i
] - ((max
+ min
) / 2)) * 256 /
2430 //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work
2433 RepaintGraphWindow();
2437 int CmdPlot(const char *Cmd
)
2443 int CmdSave(const char *Cmd
)
2445 char filename
[FILE_PATH_SIZE
] = {0x00};
2449 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2450 memcpy(filename
, Cmd
, len
);
2453 FILE *f
= fopen(filename
, "w");
2455 PrintAndLog("couldn't open '%s'", filename
);
2459 for (i
= 0; i
< GraphTraceLen
; i
++) {
2460 fprintf(f
, "%d\n", GraphBuffer
[i
]);
2463 PrintAndLog("saved to '%s'", Cmd
);
2467 int CmdScale(const char *Cmd
)
2469 CursorScaleFactor
= atoi(Cmd
);
2470 if (CursorScaleFactor
== 0) {
2471 PrintAndLog("bad, can't have zero scale");
2472 CursorScaleFactor
= 1;
2474 RepaintGraphWindow();
2478 int CmdThreshold(const char *Cmd
)
2480 int threshold
= atoi(Cmd
);
2482 for (int i
= 0; i
< GraphTraceLen
; ++i
) {
2483 if (GraphBuffer
[i
] >= threshold
)
2486 GraphBuffer
[i
] = -1;
2488 RepaintGraphWindow();
2492 int CmdDirectionalThreshold(const char *Cmd
)
2494 int8_t upThres
= param_get8(Cmd
, 0);
2495 int8_t downThres
= param_get8(Cmd
, 1);
2497 printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres
, downThres
);
2499 int lastValue
= GraphBuffer
[0];
2500 GraphBuffer
[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
2502 for (int i
= 1; i
< GraphTraceLen
; ++i
) {
2503 // Apply first threshold to samples heading up
2504 if (GraphBuffer
[i
] >= upThres
&& GraphBuffer
[i
] > lastValue
)
2506 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2509 // Apply second threshold to samples heading down
2510 else if (GraphBuffer
[i
] <= downThres
&& GraphBuffer
[i
] < lastValue
)
2512 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2513 GraphBuffer
[i
] = -1;
2517 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2518 GraphBuffer
[i
] = GraphBuffer
[i
-1];
2522 GraphBuffer
[0] = GraphBuffer
[1]; // Aline with first edited sample.
2523 RepaintGraphWindow();
2527 int CmdZerocrossings(const char *Cmd
)
2529 // Zero-crossings aren't meaningful unless the signal is zero-mean.
2536 for (int i
= 0; i
< GraphTraceLen
; ++i
) {
2537 if (GraphBuffer
[i
] * sign
>= 0) {
2538 // No change in sign, reproduce the previous sample count.
2540 GraphBuffer
[i
] = lastZc
;
2542 // Change in sign, reset the sample count.
2544 GraphBuffer
[i
] = lastZc
;
2552 RepaintGraphWindow();
2556 static command_t CommandTable
[] =
2558 {"help", CmdHelp
, 1, "This help"},
2559 {"amp", CmdAmp
, 1, "Amplify peaks"},
2560 //{"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
2561 {"askedgedetect", CmdAskEdgeDetect
, 1, "[threshold] Adjust Graph for manual ask demod using length of sample differences to detect the edge of a wave (default = 25)"},
2562 {"askem410xdemod",CmdAskEM410xDemod
, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
2563 {"askgproxiidemod",CmdG_Prox_II_Demod
,1, "Demodulate a G Prox II tag from GraphBuffer"},
2564 //{"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional)"},
2565 //{"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0|1>] -- Attempt to demodulate ASK tags and output bin (args optional)"},
2566 {"autocorr", CmdAutoCorr
, 1, "<window length> -- Autocorrelation over window"},
2567 {"biphaserawdecode",CmdBiphaseDecodeRaw
,1,"[offset] [invert<0|1>] Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
2568 {"bitsamples", CmdBitsamples
, 0, "Get raw samples as bitstring"},
2569 //{"bitstream", CmdBitstream, 1, "[clock rate] -- Convert waveform into a bitstream"},
2570 {"buffclear", CmdBuffClear
, 1, "Clear sample buffer and graph window"},
2571 {"dec", CmdDec
, 1, "Decimate samples"},
2572 {"detectclock", CmdDetectClockRate
, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"},
2573 //{"fskdemod", CmdFSKdemod, 1, "Demodulate graph window as a HID FSK"},
2574 {"fskawiddemod", CmdFSKdemodAWID
, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
2575 //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
2576 {"fskhiddemod", CmdFSKdemodHID
, 1, "Demodulate a HID FSK tag from GraphBuffer"},
2577 {"fskiodemod", CmdFSKdemodIO
, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
2578 {"fskpyramiddemod",CmdFSKdemodPyramid
,1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
2579 {"fskparadoxdemod",CmdFSKdemodParadox
,1, "Demodulate a Paradox FSK tag from GraphBuffer"},
2580 //{"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to bin (clock = 50)(invert = 1|0)(rchigh = 10)(rclow=8)"},
2581 {"getbitstream", CmdGetBitStream
, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
2582 {"grid", CmdGrid
, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
2583 {"hexsamples", CmdHexsamples
, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
2584 {"hide", CmdHide
, 1, "Hide graph window"},
2585 {"hpf", CmdHpf
, 1, "Remove DC offset from trace"},
2586 {"load", CmdLoad
, 1, "<filename> -- Load trace (to graph window"},
2587 {"ltrim", CmdLtrim
, 1, "<samples> -- Trim samples from left of trace"},
2588 {"rtrim", CmdRtrim
, 1, "<location to end trace> -- Trim samples from right of trace"},
2589 //{"mandemod", CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"},
2590 {"manrawdecode", Cmdmandecoderaw
, 1, "Manchester decode binary stream in DemodBuffer"},
2591 {"manmod", CmdManchesterMod
, 1, "[clock rate] -- Manchester modulate a binary stream"},
2592 {"norm", CmdNorm
, 1, "Normalize max/min to +/-128"},
2593 //{"nrzdetectclock",CmdDetectNRZClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
2594 //{"nrzrawdemod", CmdNRZrawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate nrz tags and output binary (args optional)"},
2595 {"plot", CmdPlot
, 1, "Show graph window (hit 'h' in window for keystroke help)"},
2596 //{"pskdetectclock",CmdDetectPSKClockRate, 1, "Detect ASK, PSK, or NRZ clock rate"},
2597 {"printdemodbuffer",CmdPrintDemodBuff
,1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
2598 {"pskindalademod",CmdIndalaDecode
, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
2599 //{"psk1rawdemod", CmdPSK1rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk1 tags and output binary (args optional)"},
2600 //{"psk2rawdemod", CmdPSK2rawDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Attempt to demodulate psk2 tags and output binary (args optional)"},
2601 {"rawdemod", CmdRawDemod
, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
2602 {"samples", CmdSamples
, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
2603 {"save", CmdSave
, 1, "<filename> -- Save trace (from graph window)"},
2604 {"scale", CmdScale
, 1, "<int> -- Set cursor display scale"},
2605 {"setdebugmode", CmdSetDebugMode
, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
2606 {"shiftgraphzero",CmdGraphShiftZero
, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
2607 //{"threshold", CmdThreshold, 1, "<threshold> -- Maximize/minimize every value in the graph window depending on threshold"},
2608 {"dirthreshold", CmdDirectionalThreshold
, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
2609 {"tune", CmdTuneSamples
, 0, "Get hw tune samples for graph window"},
2610 {"undec", CmdUndec
, 1, "Un-decimate samples by 2"},
2611 {"zerocrossings", CmdZerocrossings
, 1, "Count time between zero-crossings"},
2612 {NULL
, NULL
, 0, NULL
}
2615 int CmdData(const char *Cmd
)
2617 CmdsParse(CommandTable
, Cmd
);
2621 int CmdHelp(const char *Cmd
)
2623 CmdsHelp(CommandTable
);