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 //-----------------------------------------------------------------------------
11 #include <stdio.h> // also included in util.h
12 #include <string.h> // also included in util.h
13 #include <limits.h> // for CmdNorm INT_MIN && INT_MAX
14 #include "data.h" // also included in util.h
18 #include "proxmark3.h"
19 #include "ui.h" // for show graph controls
20 #include "graph.h" // for graph data
21 #include "cmdparser.h"// already included in cmdmain.h
22 #include "usb_cmd.h" // already included in cmdmain.h and proxmark3.h
23 #include "lfdemod.h" // for demod code
24 #include "crc.h" // for pyramid checksum maxim
25 #include "crc16.h" // for FDXB demod checksum
26 #include "loclass/cipherutils.h" // for decimating samples in getsamples
28 uint8_t DemodBuffer
[MAX_DEMOD_BUF_LEN
];
29 uint8_t g_debugMode
=0;
30 size_t DemodBufferLen
=0;
31 static int CmdHelp(const char *Cmd
);
33 int usage_data_printdemodbuf(void){
34 PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>");
35 PrintAndLog("Options:");
36 PrintAndLog(" h This help");
37 PrintAndLog(" x output in hex (omit for binary output)");
38 PrintAndLog(" o <offset> enter offset in # of bits");
39 PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively");
42 int usage_data_askem410xdemod(void){
43 PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]");
44 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
45 PrintAndLog(" <invert>, 1 for invert output");
46 PrintAndLog(" [set maximum allowed errors], default = 100.");
48 PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer");
49 PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32");
50 PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data");
51 PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data");
52 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");
55 int usage_data_manrawdecode(void){
56 PrintAndLog("Usage: data manrawdecode [invert] [maxErr]");
57 PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively");
58 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
59 PrintAndLog(" [invert] invert output");
60 PrintAndLog(" [maxErr] set number of errors allowed (default = 20)");
62 PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer");
65 int usage_data_biphaserawdecode(void){
66 PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]");
67 PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0");
68 PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)");
69 PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
71 PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position");
72 PrintAndLog(" [invert <0|1>], set to 1 to invert output");
73 PrintAndLog(" [maxErr int], set max errors tolerated - default=20");
75 PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer");
76 PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output");
79 int usage_data_rawdemod(void){
80 PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>");
81 PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ...");
82 PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2");
83 PrintAndLog(" <help> as 'h', prints the help for the specific modulation");
84 PrintAndLog(" <options> see specific modulation help for optional parameters");
86 PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod");
87 PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect");
88 PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect");
89 PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect");
90 PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect");
91 PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect");
92 PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect");
93 PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect");
96 int usage_data_rawdemod_am(void){
97 PrintAndLog("Usage: data rawdemod am <s> [clock] <invert> [maxError] [maxLen] [amplify]");
98 PrintAndLog(" ['s'] optional, check for Sequence Terminator");
99 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
100 PrintAndLog(" <invert>, 1 to invert output");
101 PrintAndLog(" [set maximum allowed errors], default = 100");
102 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
103 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
105 PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer");
106 PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32");
107 PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data");
108 PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data");
109 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");
112 int usage_data_rawdemod_ab(void){
113 PrintAndLog("Usage: data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>");
114 PrintAndLog(" [offset], offset to begin biphase, default=0");
115 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
116 PrintAndLog(" <invert>, 1 to invert output");
117 PrintAndLog(" [set maximum allowed errors], default = 100");
118 PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)");
119 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
120 PrintAndLog(" NOTE: <invert> can be entered as second or third argument");
121 PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument");
122 PrintAndLog(" NOTE: any other arg must have previous args set to work");
124 PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester");
126 PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer");
127 PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified");
128 PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32");
129 PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data");
130 PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data");
131 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");
132 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");
135 int usage_data_rawdemod_ar(void){
136 PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]");
137 PrintAndLog(" [set clock as integer] optional, if not set, autodetect");
138 PrintAndLog(" <invert>, 1 to invert output");
139 PrintAndLog(" [set maximum allowed errors], default = 100");
140 PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)");
141 PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp");
143 PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer");
144 PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified");
145 PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32");
146 PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data");
147 PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data");
148 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");
149 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");
152 int usage_data_rawdemod_fs(void){
153 PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]");
154 PrintAndLog(" [set clock as integer] optional, omit for autodetect.");
155 PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted");
156 PrintAndLog(" [fchigh], larger field clock length, omit for autodetect");
157 PrintAndLog(" [fclow], small field clock length, omit for autodetect");
159 PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect");
160 PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc");
161 PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output");
162 PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc");
163 PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer");
164 PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer");
165 PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer");
168 int usage_data_rawdemod_nr(void){
169 PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]");
170 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
171 PrintAndLog(" <invert>, 1 for invert output");
172 PrintAndLog(" [set maximum allowed errors], default = 100.");
174 PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer");
175 PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32");
176 PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data");
177 PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data");
178 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");
181 int usage_data_rawdemod_p1(void){
182 PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]");
183 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
184 PrintAndLog(" <invert>, 1 for invert output");
185 PrintAndLog(" [set maximum allowed errors], default = 100.");
187 PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer");
188 PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32");
189 PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data");
190 PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data");
191 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");
194 int usage_data_rawdemod_p2(void){
195 PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]");
196 PrintAndLog(" [set clock as integer] optional, if not set, autodetect.");
197 PrintAndLog(" <invert>, 1 for invert output");
198 PrintAndLog(" [set maximum allowed errors], default = 100.");
200 PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock");
201 PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32");
202 PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output");
203 PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output");
204 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");
207 int usage_data_autocorr(void) {
208 PrintAndLog("Usage: data autocorr [window] [g]");
209 PrintAndLog("Options:");
210 PrintAndLog(" h This help");
211 PrintAndLog(" [window] window length for correlation - default = 4000");
212 PrintAndLog(" g save back to GraphBuffer (overwrite)");
215 int usage_data_undecimate(void){
216 PrintAndLog("Usage: data undec [factor]");
217 PrintAndLog("This function performs un-decimation, by repeating each sample N times");
218 PrintAndLog("Options: ");
219 PrintAndLog(" h This help");
220 PrintAndLog(" factor The number of times to repeat each sample.[default:2]");
221 PrintAndLog("Example: 'data undec 3'");
224 int usage_data_detectclock(void){
225 PrintAndLog("Usage: data detectclock [modulation] <clock>");
226 PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of");
227 PrintAndLog(" <clock> , specify the clock (optional - to get best start position only)");
228 PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk");
230 PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer");
231 PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer");
232 PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer");
233 PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer");
236 int usage_data_hex2bin(void){
237 PrintAndLog("Usage: data hex2bin <hex_digits>");
238 PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
241 int usage_data_bin2hex(void){
242 PrintAndLog("Usage: data bin2hex <binary_digits>");
243 PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)");
247 //set the demod buffer with given array of binary (one bit per byte)
249 void setDemodBuf(uint8_t *buff
, size_t size
, size_t startIdx
)
254 if ( size
>= MAX_DEMOD_BUF_LEN
)
255 size
= MAX_DEMOD_BUF_LEN
;
258 for (; i
< size
; i
++){
259 DemodBuffer
[i
]=buff
[startIdx
++];
261 DemodBufferLen
= size
;
264 int CmdSetDebugMode(const char *Cmd
)
267 sscanf(Cmd
, "%i", &demod
);
268 g_debugMode
=(uint8_t)demod
;
273 void printDemodBuff(void)
275 int bitLen
= DemodBufferLen
;
277 PrintAndLog("no bits found in demod buffer");
280 if (bitLen
>512) bitLen
=512; //max output to 512 bits if we have more - should be plenty
282 char *bin
= sprint_bin_break(DemodBuffer
, bitLen
,16);
283 PrintAndLog("%s",bin
);
288 int CmdPrintDemodBuff(const char *Cmd
)
290 char hex
[512]={0x00};
291 bool hexMode
= false;
293 uint32_t offset
= 0; //could be size_t but no param_get16...
294 uint32_t length
= 512;
296 while(param_getchar(Cmd
, cmdp
) != 0x00)
298 switch(param_getchar(Cmd
, cmdp
))
302 return usage_data_printdemodbuf();
310 offset
= param_get32ex(Cmd
, cmdp
+1, 0, 10);
311 if (!offset
) errors
= true;
316 length
= param_get32ex(Cmd
, cmdp
+1, 512, 10);
317 if (!length
) errors
= true;
321 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd
, cmdp
));
328 if(errors
) return usage_data_printdemodbuf();
329 length
= (length
> (DemodBufferLen
-offset
)) ? DemodBufferLen
-offset
: length
;
330 int numBits
= (length
) & 0x00FFC; //make sure we don't exceed our string
333 char *buf
= (char *) (DemodBuffer
+ offset
);
334 numBits
= (numBits
> sizeof(hex
)) ? sizeof(hex
) : numBits
;
335 numBits
= binarraytohex(hex
, buf
, numBits
);
336 if (numBits
==0) return 0;
337 PrintAndLog("DemodBuffer: %s",hex
);
339 PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer
+offset
,numBits
,16));
345 //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
346 int CmdGetBitStream(const char *Cmd
)
350 for (i
= 0; i
< GraphTraceLen
; i
++) {
351 if (GraphBuffer
[i
] >= 1) {
357 RepaintGraphWindow();
362 //print 64 bit EM410x ID in multiple formats
363 void printEM410x(uint32_t hi
, uint64_t id
)
370 for (ii
=5; ii
>0;ii
--){
372 id2lo
=(id2lo
<<1LL) | ((id
& (iii
<< (i
+((ii
-1)*8)))) >> (i
+((ii
-1)*8)));
376 //output 88 bit em id
377 PrintAndLog("\nEM TAG ID : %06X%016llX", hi
, id
);
379 //output 40 bit em id
380 PrintAndLog("\nEM TAG ID : %010llX", id
);
381 PrintAndLog("Unique TAG ID : %010llX", id2lo
);
382 PrintAndLog("\nPossible de-scramble patterns");
383 PrintAndLog("HoneyWell IdentKey {");
384 PrintAndLog("DEZ 8 : %08lld",id
& 0xFFFFFF);
385 PrintAndLog("DEZ 10 : %010lld",id
& 0xFFFFFFFF);
386 PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id
>>16LL) & 0xFFFF,(id
& 0xFFFF));
387 PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id
>>32ll),(id
& 0xFFFF));
388 PrintAndLog("DEZ 3.5B : %03lld.%05lld",(id
& 0xFF000000) >> 24,(id
& 0xFFFF));
389 PrintAndLog("DEZ 3.5C : %03lld.%05lld",(id
& 0xFF0000) >> 16,(id
& 0xFFFF));
390 PrintAndLog("DEZ 14/IK2 : %014lld",id
);
391 PrintAndLog("DEZ 15/IK3 : %015lld",id2lo
);
392 PrintAndLog("DEZ 20/ZK : %02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld%02lld",
393 (id2lo
& 0xf000000000) >> 36,
394 (id2lo
& 0x0f00000000) >> 32,
395 (id2lo
& 0x00f0000000) >> 28,
396 (id2lo
& 0x000f000000) >> 24,
397 (id2lo
& 0x0000f00000) >> 20,
398 (id2lo
& 0x00000f0000) >> 16,
399 (id2lo
& 0x000000f000) >> 12,
400 (id2lo
& 0x0000000f00) >> 8,
401 (id2lo
& 0x00000000f0) >> 4,
402 (id2lo
& 0x000000000f)
404 uint64_t paxton
= (((id
>>32) << 24) | (id
& 0xffffff)) + 0x143e00;
405 PrintAndLog("}\nOther : %05lld_%03lld_%08lld",(id
&0xFFFF),((id
>>16LL) & 0xFF),(id
& 0xFFFFFF));
406 PrintAndLog("Pattern Paxton : %lld [0x%llX]", paxton
, paxton
);
408 uint32_t p1id
= (id
& 0xFFFFFF);
409 uint8_t arr
[32] = {0x00};
412 for (; i
< 24; ++i
, --j
){
413 arr
[i
] = (p1id
>> i
) & 1;
447 PrintAndLog("Pattern 1 : %d [0x%X]", p1
, p1
);
449 uint16_t sebury1
= id
& 0xFFFF;
450 uint8_t sebury2
= (id
>> 16) & 0x7F;
451 uint32_t sebury3
= id
& 0x7FFFFF;
452 PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1
, sebury2
, sebury3
, sebury1
, sebury2
, sebury3
);
458 int AskEm410xDecode(bool verbose
, uint32_t *hi
, uint64_t *lo
)
461 size_t size
= DemodBufferLen
;
462 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
463 memcpy(BitStream
, DemodBuffer
, size
);
464 int ans
= Em410xDecode(BitStream
, &size
, &idx
, hi
, lo
);
469 PrintAndLog("DEBUG: Error - Em410x not only 0|1 in decoded bitstream");
471 PrintAndLog("DEBUG: Error - Em410x Size not correct: %d", size
);
473 PrintAndLog("DEBUG: Error - Em410x preamble not found");
475 PrintAndLog("DEBUG: Error - Em410x parity failed");
480 //set GraphBuffer for clone or sim command
481 setDemodBuf(BitStream
, size
, idx
);
483 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, size
);
487 PrintAndLog("EM410x pattern found: ");
488 printEM410x(*hi
, *lo
);
493 int AskEm410xDemod(const char *Cmd
, uint32_t *hi
, uint64_t *lo
, bool verbose
)
496 if (!ASKDemod_ext(Cmd
, FALSE
, FALSE
, 1, &st
)) return 0;
497 return AskEm410xDecode(verbose
, hi
, lo
);
501 //takes 3 arguments - clock, invert and maxErr as integers
502 //attempts to demodulate ask while decoding manchester
503 //prints binary found and saves in graphbuffer for further commands
504 int CmdAskEM410xDemod(const char *Cmd
)
506 char cmdp
= param_getchar(Cmd
, 0);
507 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H')
508 return usage_data_askem410xdemod();
512 return AskEm410xDemod(Cmd
, &hi
, &lo
, true);
516 //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
517 // (amp may not be needed anymore)
518 //verbose will print results and demoding messages
519 //emSearch will auto search for EM410x format in bitstream
520 //askType switches decode: ask/raw = 0, ask/manchester = 1
521 int ASKDemod_ext(const char *Cmd
, bool verbose
, bool emSearch
, uint8_t askType
, bool *stCheck
) {
527 char amp
= param_getchar(Cmd
, 0);
528 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
529 sscanf(Cmd
, "%i %i %i %i %c", &clk
, &invert
, &maxErr
, &maxLen
, &
);
530 if (!maxLen
) maxLen
= BIGBUF_SIZE
;
531 if (invert
!= 0 && invert
!= 1) {
532 PrintAndLog("Invalid argument: %s", Cmd
);
539 if (amp
== 'a' || amp
== 'A') askAmp
=1;
540 size_t BitLen
= getFromGraphBuf(BitStream
);
541 if (g_debugMode
) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen
);
542 if (BitLen
<255) return 0;
543 if (maxLen
<BitLen
&& maxLen
!= 0) BitLen
= maxLen
;
546 if (*stCheck
) st
= DetectST(BitStream
, &BitLen
, &foundclk
);
549 clk
= (clk
== 0) ? foundclk
: clk
;
550 if (verbose
|| g_debugMode
) PrintAndLog("\nFound Sequence Terminator");
552 int errCnt
= askdemod(BitStream
, &BitLen
, &clk
, &invert
, maxErr
, askAmp
, askType
);
553 if (errCnt
<0 || BitLen
<16){ //if fatal error (or -1)
554 if (g_debugMode
) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt
,invert
,BitLen
,clk
);
558 if (g_debugMode
) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt
, BitLen
, clk
);
561 if (verbose
|| g_debugMode
) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
564 setDemodBuf(BitStream
,BitLen
,0);
565 if (verbose
|| g_debugMode
){
566 if (errCnt
>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
567 if (askType
) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk
);
568 else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk
);
569 // Now output the bitstream to the scrollback by line of 16 bits
576 AskEm410xDecode(true, &hi
, &lo
);
580 int ASKDemod(const char *Cmd
, bool verbose
, bool emSearch
, uint8_t askType
) {
582 return ASKDemod_ext(Cmd
, verbose
, emSearch
, askType
, &st
);
586 //takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a'
587 //attempts to demodulate ask while decoding manchester
588 //prints binary found and saves in graphbuffer for further commands
589 int Cmdaskmandemod(const char *Cmd
)
591 char cmdp
= param_getchar(Cmd
, 0);
592 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H')
593 return usage_data_rawdemod_am();
597 return ASKDemod_ext(Cmd
++, TRUE
, TRUE
, 1, &st
);
598 else if (Cmd
[1] == 's')
599 return ASKDemod_ext(Cmd
+=2, TRUE
, TRUE
, 1, &st
);
601 return ASKDemod(Cmd
, TRUE
, TRUE
, 1);
606 //stricktly take 10 and 01 and convert to 0 and 1
607 int Cmdmandecoderaw(const char *Cmd
)
614 char cmdp
= param_getchar(Cmd
, 0);
615 if (strlen(Cmd
) > 5 || cmdp
== 'h' || cmdp
== 'H')
616 return usage_data_manrawdecode();
618 if (DemodBufferLen
==0) return 0;
619 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
621 for (;i
<DemodBufferLen
;++i
){
622 if (DemodBuffer
[i
]>high
) high
=DemodBuffer
[i
];
623 else if(DemodBuffer
[i
]<low
) low
=DemodBuffer
[i
];
624 BitStream
[i
]=DemodBuffer
[i
];
626 if (high
>7 || low
<0 ){
627 PrintAndLog("Error: please raw demod the wave first then manchester raw decode");
631 sscanf(Cmd
, "%i %i", &invert
, &maxErr
);
633 errCnt
=manrawdecode(BitStream
, &size
, invert
);
635 PrintAndLog("Too many errors: %d",errCnt
);
638 PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt
);
639 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
644 if (Em410xDecode(BitStream
, &size
, &idx
, &hi
, &id
)){
645 //need to adjust to set bitstream back to manchester encoded data
646 //setDemodBuf(BitStream, size, idx);
656 //take 01 or 10 = 0 and 11 or 00 = 1
657 //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit
658 // and "invert" default = 0 if 1 it will invert output
659 // the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects]
660 int CmdBiphaseDecodeRaw(const char *Cmd
)
663 int offset
=0, invert
=0, maxErr
=20, errCnt
=0;
664 char cmdp
= param_getchar(Cmd
, 0);
665 if (strlen(Cmd
) > 3 || cmdp
== 'h' || cmdp
== 'H')
666 return usage_data_biphaserawdecode();
668 sscanf(Cmd
, "%i %i %i", &offset
, &invert
, &maxErr
);
669 if (DemodBufferLen
==0){
670 PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first");
673 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
674 memcpy(BitStream
, DemodBuffer
, DemodBufferLen
);
675 size
= DemodBufferLen
;
676 errCnt
=BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
678 PrintAndLog("Error during decode:%d", errCnt
);
682 PrintAndLog("Too many errors attempting to decode: %d",errCnt
);
687 PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt
);
689 PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset
,invert
);
690 PrintAndLog("%s", sprint_bin_break(BitStream
, size
, 16));
692 if (offset
) setDemodBuf(DemodBuffer
,DemodBufferLen
-offset
, offset
); //remove first bit from raw demod
697 // - ASK Demod then Biphase decode GraphBuffer samples
698 int ASKbiphaseDemod(const char *Cmd
, bool verbose
)
700 //ask raw demod GraphBuffer first
701 int offset
=0, clk
=0, invert
=0, maxErr
=0;
702 sscanf(Cmd
, "%i %i %i %i", &offset
, &clk
, &invert
, &maxErr
);
704 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
705 size_t size
= getFromGraphBuf(BitStream
);
707 if (g_debugMode
) PrintAndLog("DEBUG: no data in graphbuf");
710 //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
711 int errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
712 if ( errCnt
< 0 || errCnt
> maxErr
) {
713 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
717 //attempt to Biphase decode BitStream
718 errCnt
= BiphaseRawDecode(BitStream
, &size
, offset
, invert
);
720 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
723 if (errCnt
> maxErr
) {
724 if (g_debugMode
|| verbose
) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt
);
727 //success set DemodBuffer and return
728 setDemodBuf(BitStream
, size
, 0);
729 if (g_debugMode
|| verbose
){
730 PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset
,clk
,errCnt
);
735 //by marshmellow - see ASKbiphaseDemod
736 int Cmdaskbiphdemod(const char *Cmd
)
738 char cmdp
= param_getchar(Cmd
, 0);
739 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H')
740 return usage_data_rawdemod_ab();
742 return ASKbiphaseDemod(Cmd
, TRUE
);
746 //attempts to demodulate and identify a G_Prox_II verex/chubb card
747 //WARNING: if it fails during some points it will destroy the DemodBuffer data
748 // but will leave the GraphBuffer intact.
749 //if successful it will push askraw data back to demod buffer ready for emulation
750 int CmdG_Prox_II_Demod(const char *Cmd
)
752 if (!ASKbiphaseDemod(Cmd
, FALSE
)){
753 if (g_debugMode
) PrintAndLog("Error gProxII: ASKbiphaseDemod failed 1st try");
756 size_t size
= DemodBufferLen
;
757 //call lfdemod.c demod for gProxII
758 int ans
= gProxII_Demod(DemodBuffer
, &size
);
760 if (g_debugMode
) PrintAndLog("Error gProxII_Demod");
763 //got a good demod of 96 bits
764 uint8_t ByteStream
[8] = {0x00};
766 size_t startIdx
= ans
+ 6; //start after 6 bit preamble
768 uint8_t bits_no_spacer
[90];
769 //so as to not mess with raw DemodBuffer copy to a new sample array
770 memcpy(bits_no_spacer
, DemodBuffer
+ startIdx
, 90);
771 // remove the 18 (90/5=18) parity bits (down to 72 bits (96-6-18=72))
772 size_t bitLen
= removeParity(bits_no_spacer
, 0, 5, 3, 90); //source, startloc, paritylen, ptype, length_to_run
774 if (g_debugMode
) PrintAndLog("Error gProxII: spacer removal did not produce 72 bits: %u, start: %u", bitLen
, startIdx
);
777 // get key and then get all 8 bytes of payload decoded
778 xorKey
= (uint8_t)bytebits_to_byteLSBF(bits_no_spacer
, 8);
779 for (size_t idx
= 0; idx
< 8; idx
++) {
780 ByteStream
[idx
] = ((uint8_t)bytebits_to_byteLSBF(bits_no_spacer
+8 + (idx
*8),8)) ^ xorKey
;
781 if (g_debugMode
) PrintAndLog("byte %u after xor: %02x", (unsigned int)idx
, ByteStream
[idx
]);
783 //now ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data
785 uint8_t fmtLen
= ByteStream
[0]>>2;
788 //get raw 96 bits to print
789 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
,32);
790 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
791 uint32_t raw3
= bytebits_to_byte(DemodBuffer
+ans
+64, 32);
794 FC
= ((ByteStream
[3] & 0x7F)<<7) | (ByteStream
[4]>>1);
795 Card
= ((ByteStream
[4]&1)<<19) | (ByteStream
[5]<<11) | (ByteStream
[6]<<3) | (ByteStream
[7]>>5);
796 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen
, FC
, Card
);
797 } else if(fmtLen
==26){
798 FC
= ((ByteStream
[3] & 0x7F)<<1) | (ByteStream
[4]>>7);
799 Card
= ((ByteStream
[4]&0x7F)<<9) | (ByteStream
[5]<<1) | (ByteStream
[6]>>7);
800 PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen
, FC
, Card
);
802 PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",(int)fmtLen
);
803 PrintAndLog("Decoded Raw: %s", sprint_hex(ByteStream
, 8));
805 PrintAndLog("Raw: %08x%08x%08x", raw1
,raw2
,raw3
);
806 setDemodBuf(DemodBuffer
+ans
, 96, 0);
811 //see ASKDemod for what args are accepted
812 int CmdVikingDemod(const char *Cmd
)
814 if (!ASKDemod(Cmd
, false, false, 1)) {
815 if (g_debugMode
) PrintAndLog("ASKDemod failed");
818 size_t size
= DemodBufferLen
;
819 //call lfdemod.c demod for Viking
820 int ans
= VikingDemod_AM(DemodBuffer
, &size
);
822 if (g_debugMode
) PrintAndLog("Error Viking_Demod %d %s", ans
, (ans
== -5)?"[chksum error]":"");
826 uint32_t raw1
= bytebits_to_byte(DemodBuffer
+ans
, 32);
827 uint32_t raw2
= bytebits_to_byte(DemodBuffer
+ans
+32, 32);
828 uint32_t cardid
= bytebits_to_byte(DemodBuffer
+ans
+24, 32);
829 uint8_t checksum
= bytebits_to_byte(DemodBuffer
+ans
+32+24, 8);
830 PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid
, checksum
);
831 PrintAndLog("Raw: %08X%08X", raw1
,raw2
);
832 setDemodBuf(DemodBuffer
+ans
, 64, 0);
836 //by marshmellow - see ASKDemod
837 int Cmdaskrawdemod(const char *Cmd
)
839 char cmdp
= param_getchar(Cmd
, 0);
840 if (strlen(Cmd
) > 25 || cmdp
== 'h' || cmdp
== 'H')
841 return usage_data_rawdemod_ar();
843 return ASKDemod(Cmd
, TRUE
, FALSE
, 0);
846 int AutoCorrelate(int window
, bool SaveGrph
, bool verbose
)
848 static int CorrelBuffer
[MAX_GRAPH_TRACE_LEN
];
849 size_t Correlation
= 0;
852 if (verbose
) PrintAndLog("performing %d correlations", GraphTraceLen
- window
);
853 for (int i
= 0; i
< GraphTraceLen
- window
; ++i
) {
855 for (int j
= 0; j
< window
; ++j
) {
856 sum
+= (GraphBuffer
[j
]*GraphBuffer
[i
+ j
]) / 256;
858 CorrelBuffer
[i
] = sum
;
859 if (sum
>= maxSum
-100 && sum
<= maxSum
+100){
861 Correlation
= i
-lastMax
;
863 if (sum
> maxSum
) maxSum
= sum
;
864 } else if (sum
> maxSum
){
870 //try again with wider margin
871 for (int i
= 0; i
< GraphTraceLen
- window
; i
++){
872 if (CorrelBuffer
[i
] >= maxSum
-(maxSum
*0.05) && CorrelBuffer
[i
] <= maxSum
+(maxSum
*0.05)){
874 Correlation
= i
-lastMax
;
876 //if (CorrelBuffer[i] > maxSum) maxSum = sum;
880 if (verbose
&& Correlation
> 0) PrintAndLog("Possible Correlation: %d samples",Correlation
);
883 GraphTraceLen
= GraphTraceLen
- window
;
884 memcpy(GraphBuffer
, CorrelBuffer
, GraphTraceLen
* sizeof (int));
885 RepaintGraphWindow();
890 int CmdAutoCorr(const char *Cmd
)
892 char cmdp
= param_getchar(Cmd
, 0);
893 if (cmdp
== 'h' || cmdp
== 'H') return usage_data_autocorr();
894 int window
= 4000; //set default
896 bool updateGrph
= FALSE
;
897 sscanf(Cmd
, "%i %c", &window
, &grph
);
899 if (window
>= GraphTraceLen
) {
900 PrintAndLog("window must be smaller than trace (%d samples)",
904 if (grph
== 'g') updateGrph
=TRUE
;
905 return AutoCorrelate(window
, updateGrph
, TRUE
);
908 int CmdBitsamples(const char *Cmd
)
913 GetFromBigBuf(got
, sizeof(got
), 0);
914 WaitForResponse(CMD_ACK
, NULL
);
916 for (int j
= 0; j
< sizeof(got
); j
++) {
917 for (int k
= 0; k
< 8; k
++) {
918 if(got
[j
] & (1 << (7 - k
))) {
919 GraphBuffer
[cnt
++] = 1;
921 GraphBuffer
[cnt
++] = 0;
926 RepaintGraphWindow();
930 int CmdBuffClear(const char *Cmd
)
932 UsbCommand c
= {CMD_BUFF_CLEAR
, {0,0,0}};
938 int CmdDec(const char *Cmd
)
940 for (int i
= 0; i
< (GraphTraceLen
>> 2); ++i
)
941 GraphBuffer
[i
] = GraphBuffer
[i
* 2];
944 PrintAndLog("decimated by 2");
945 RepaintGraphWindow();
949 * Undecimate - I'd call it 'interpolate', but we'll save that
950 * name until someone does an actual interpolation command, not just
951 * blindly repeating samples
955 int CmdUndec(const char *Cmd
)
957 char cmdp
= param_getchar(Cmd
, 0);
958 if (cmdp
== 'h' || cmdp
== 'H')
959 return usage_data_undecimate();
961 uint8_t factor
= param_get8ex(Cmd
, 0, 2, 10);
963 //We have memory, don't we?
964 int swap
[MAX_GRAPH_TRACE_LEN
] = { 0 };
965 uint32_t g_index
= 0 ,s_index
= 0;
966 while(g_index
< GraphTraceLen
&& s_index
+ factor
< MAX_GRAPH_TRACE_LEN
)
969 for (count
= 0; count
< factor
&& s_index
+ count
< MAX_GRAPH_TRACE_LEN
; count
++)
970 swap
[s_index
+count
] = GraphBuffer
[g_index
];
975 memcpy(GraphBuffer
, swap
, s_index
* sizeof(int));
976 GraphTraceLen
= s_index
;
977 RepaintGraphWindow();
982 //shift graph zero up or down based on input + or -
983 int CmdGraphShiftZero(const char *Cmd
)
985 int shift
= 0, shiftedVal
= 0;
986 //set options from parameters entered with the command
987 sscanf(Cmd
, "%i", &shift
);
989 for(int i
= 0; i
<GraphTraceLen
; i
++){
990 shiftedVal
=GraphBuffer
[i
]+shift
;
991 if (shiftedVal
> 127)
993 else if (shiftedVal
< -127)
995 GraphBuffer
[i
] = shiftedVal
;
1002 //use large jumps in read samples to identify edges of waves and then amplify that wave to max
1003 //similar to dirtheshold, threshold commands
1004 //takes a threshold length which is the measured length between two samples then determines an edge
1005 int CmdAskEdgeDetect(const char *Cmd
)
1009 sscanf(Cmd
, "%i", &thresLen
);
1011 for(int i
= 1; i
< GraphTraceLen
; ++i
){
1012 if (GraphBuffer
[i
] - GraphBuffer
[i
-1] >= thresLen
) //large jump up
1014 else if(GraphBuffer
[i
] - GraphBuffer
[i
-1] <= -1 * thresLen
) //large jump down
1017 GraphBuffer
[i
-1] = last
;
1019 RepaintGraphWindow();
1023 /* Print our clock rate */
1024 // uses data from graphbuffer
1025 // adjusted to take char parameter for type of modulation to find the clock - by marshmellow.
1026 int CmdDetectClockRate(const char *Cmd
)
1028 char cmdp
= param_getchar(Cmd
, 0);
1029 if (strlen(Cmd
) > 6 || strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H')
1030 return usage_data_detectclock();
1036 ans
= GetAskClock(Cmd
+1, true, false);
1040 ans
= GetFskClock("", true, false);
1044 ans
= GetNrzClock("", true, false);
1048 ans
= GetPskClock("", true, false);
1051 PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help");
1057 char *GetFSKType(uint8_t fchigh
, uint8_t fclow
, uint8_t invert
)
1059 static char fType
[8];
1060 memset(fType
, 0x00, 8);
1061 char *fskType
= fType
;
1062 if (fchigh
==10 && fclow
==8){
1064 memcpy(fskType
, "FSK2a", 5);
1066 memcpy(fskType
, "FSK2", 4);
1067 } else if (fchigh
== 8 && fclow
== 5) {
1069 memcpy(fskType
, "FSK1", 4);
1071 memcpy(fskType
, "FSK1a", 5);
1073 memcpy(fskType
, "FSK??", 5);
1079 //fsk raw demod and print binary
1080 //takes 4 arguments - Clock, invert, fchigh, fclow
1081 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
1082 int FSKrawDemod(const char *Cmd
, bool verbose
)
1084 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1085 uint8_t rfLen
, invert
, fchigh
, fclow
;
1088 //set options from parameters entered with the command
1089 rfLen
= param_get8(Cmd
, 0);
1090 invert
= param_get8(Cmd
, 1);
1091 fchigh
= param_get8(Cmd
, 2);
1092 fclow
= param_get8(Cmd
, 3);
1093 if (strlen(Cmd
)>0 && strlen(Cmd
)<=2) {
1095 invert
= 1; //if invert option only is used
1100 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1101 size_t BitLen
= getFromGraphBuf(BitStream
);
1102 if (BitLen
==0) return 0;
1103 //get field clock lengths
1105 if (!fchigh
|| !fclow
) {
1106 fcs
= countFC(BitStream
, BitLen
, 1);
1111 fchigh
= (fcs
>> 8) & 0x00FF;
1112 fclow
= fcs
& 0x00FF;
1115 //get bit clock length
1117 rfLen
= detectFSKClk(BitStream
, BitLen
, fchigh
, fclow
);
1118 if (!rfLen
) rfLen
= 50;
1120 int size
= fskdemod(BitStream
, BitLen
, rfLen
, invert
, fchigh
, fclow
);
1122 setDemodBuf(BitStream
, size
, 0);
1124 // Now output the bitstream to the scrollback by line of 16 bits
1125 if (verbose
|| g_debugMode
) {
1126 PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen
, (unsigned int)invert
, (unsigned int)fchigh
, (unsigned int)fclow
);
1127 PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh
, fclow
, invert
));
1133 if (g_debugMode
) PrintAndLog("no FSK data found");
1139 //fsk raw demod and print binary
1140 //takes 4 arguments - Clock, invert, fchigh, fclow
1141 //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a))
1142 int CmdFSKrawdemod(const char *Cmd
)
1144 char cmdp
= param_getchar(Cmd
, 0);
1145 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H')
1146 return usage_data_rawdemod_fs();
1148 return FSKrawDemod(Cmd
, TRUE
);
1151 //by marshmellow (based on existing demod + holiman's refactor)
1152 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
1153 //print full HID Prox ID and some bit format details if found
1154 int CmdFSKdemodHID(const char *Cmd
)
1156 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1157 uint32_t hi2
=0, hi
=0, lo
=0;
1159 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1160 size_t BitLen
= getFromGraphBuf(BitStream
);
1161 if (BitLen
==0) return 0;
1162 //get binary from fsk wave
1163 int idx
= HIDdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1167 PrintAndLog("DEBUG: Just Noise Detected");
1168 } else if (idx
== -2) {
1169 PrintAndLog("DEBUG: Error demoding fsk");
1170 } else if (idx
== -3) {
1171 PrintAndLog("DEBUG: Preamble not found");
1172 } else if (idx
== -4) {
1173 PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen
);
1175 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1180 if (hi2
==0 && hi
==0 && lo
==0) {
1181 if (g_debugMode
) PrintAndLog("DEBUG: Error - no values found");
1184 if (hi2
!= 0){ //extra large HID tags
1185 PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
1186 (unsigned int) hi2
, (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF);
1188 else { //standard HID tags <38 bits
1191 uint32_t cardnum
= 0;
1192 if (((hi
>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
1194 lo2
=(((hi
& 31) << 12) | (lo
>>20)); //get bits 21-37 to check for format len bit
1196 while(lo2
>1){ //find last bit set to 1 (format len bit)
1204 cardnum
= (lo
>>1)&0xFFFF;
1208 cardnum
= (lo
>>1)&0xFFFF;
1209 fc
= ((hi
&1)<<15)|(lo
>>17);
1212 cardnum
= (lo
>>1)&0xFFFFF;
1213 fc
= ((hi
&1)<<11)|(lo
>>21);
1216 else { //if bit 38 is not set then 37 bit format is used
1221 cardnum
= (lo
>>1)&0x7FFFF;
1222 fc
= ((hi
&0xF)<<12)|(lo
>>20);
1225 PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
1226 (unsigned int) hi
, (unsigned int) lo
, (unsigned int) (lo
>>1) & 0xFFFF,
1227 (unsigned int) fmtLen
, (unsigned int) fc
, (unsigned int) cardnum
);
1229 setDemodBuf(BitStream
,BitLen
,idx
);
1231 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, BitLen
);
1238 //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
1239 //print full Paradox Prox ID and some bit format details if found
1240 int CmdFSKdemodParadox(const char *Cmd
)
1242 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1243 uint32_t hi2
=0, hi
=0, lo
=0;
1245 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1246 size_t BitLen
= getFromGraphBuf(BitStream
);
1247 if (BitLen
==0) return 0;
1248 //get binary from fsk wave
1249 int idx
= ParadoxdemodFSK(BitStream
,&BitLen
,&hi2
,&hi
,&lo
);
1253 PrintAndLog("DEBUG: Just Noise Detected");
1254 } else if (idx
== -2) {
1255 PrintAndLog("DEBUG: Error demoding fsk");
1256 } else if (idx
== -3) {
1257 PrintAndLog("DEBUG: Preamble not found");
1258 } else if (idx
== -4) {
1259 PrintAndLog("DEBUG: Error in Manchester data");
1261 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1266 if (hi2
==0 && hi
==0 && lo
==0){
1267 if (g_debugMode
) PrintAndLog("DEBUG: Error - no value found");
1270 uint32_t fc
= ((hi
& 0x3)<<6) | (lo
>>26);
1271 uint32_t cardnum
= (lo
>>10)&0xFFFF;
1272 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1273 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1274 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1276 PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x",
1277 hi
>>10, (hi
& 0x3)<<26 | (lo
>>10), fc
, cardnum
, (lo
>>2) & 0xFF, rawHi2
, rawHi
, rawLo
);
1278 setDemodBuf(BitStream
,BitLen
,idx
);
1280 PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx
, BitLen
);
1287 //IO-Prox demod - FSK RF/64 with preamble of 000000001
1288 //print ioprox ID and some format details
1289 int CmdFSKdemodIO(const char *Cmd
)
1292 //something in graphbuffer?
1293 if (GraphTraceLen
< 65) {
1294 if (g_debugMode
)PrintAndLog("DEBUG: not enough samples in GraphBuffer");
1297 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1298 size_t BitLen
= getFromGraphBuf(BitStream
);
1299 if (BitLen
==0) return 0;
1301 //get binary from fsk wave
1302 idx
= IOdemodFSK(BitStream
,BitLen
);
1306 PrintAndLog("DEBUG: Just Noise Detected");
1307 } else if (idx
== -2) {
1308 PrintAndLog("DEBUG: not enough samples");
1309 } else if (idx
== -3) {
1310 PrintAndLog("DEBUG: error during fskdemod");
1311 } else if (idx
== -4) {
1312 PrintAndLog("DEBUG: Preamble not found");
1313 } else if (idx
== -5) {
1314 PrintAndLog("DEBUG: Separator bits not found");
1316 PrintAndLog("DEBUG: Error demoding fsk %d", idx
);
1323 PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen
);
1324 if (BitLen
> 92) PrintAndLog("%s", sprint_bin_break(BitStream
,92,16));
1329 //0 10 20 30 40 50 60
1331 //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
1332 //-----------------------------------------------------------------------------
1333 //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
1335 //XSF(version)facility:codeone+codetwo (raw)
1337 if (idx
+64>BitLen
) {
1338 if (g_debugMode
) PrintAndLog("not enough bits found - bitlen: %d",BitLen
);
1342 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]);
1343 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]);
1344 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]);
1345 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]);
1346 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]);
1347 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]);
1348 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]);
1351 uint32_t code
= bytebits_to_byte(BitStream
+idx
,32);
1352 uint32_t code2
= bytebits_to_byte(BitStream
+idx
+32,32);
1353 uint8_t version
= bytebits_to_byte(BitStream
+idx
+27,8); //14,4
1354 uint8_t facilitycode
= bytebits_to_byte(BitStream
+idx
+18,8) ;
1355 uint16_t number
= (bytebits_to_byte(BitStream
+idx
+36,8)<<8)|(bytebits_to_byte(BitStream
+idx
+45,8)); //36,9
1356 uint8_t crc
= bytebits_to_byte(BitStream
+idx
+54,8);
1357 uint16_t calccrc
= 0;
1359 for (uint8_t i
=1; i
<6; ++i
){
1360 calccrc
+= bytebits_to_byte(BitStream
+idx
+9*i
,8);
1363 calccrc
= 0xff - calccrc
;
1365 char *crcStr
= (crc
== calccrc
) ? "crc ok": "!crc";
1367 PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version
,facilitycode
,number
,code
,code2
, crc
, crcStr
);
1368 setDemodBuf(BitStream
,64,idx
);
1370 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx
,64);
1377 //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream)
1378 //print full AWID Prox ID and some bit format details if found
1379 int CmdFSKdemodAWID(const char *Cmd
)
1381 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1382 size_t size
= getFromGraphBuf(BitStream
);
1383 if (size
==0) return 0;
1385 //get binary from fsk wave
1386 int idx
= AWIDdemodFSK(BitStream
, &size
);
1390 PrintAndLog("DEBUG: Error - not enough samples");
1392 PrintAndLog("DEBUG: Error - only noise found");
1394 PrintAndLog("DEBUG: Error - problem during FSK demod");
1396 PrintAndLog("DEBUG: Error - AWID preamble not found");
1398 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1400 PrintAndLog("DEBUG: Error %d",idx
);
1406 // 0 10 20 30 40 50 60
1408 // 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
1409 // -----------------------------------------------------------------------------
1410 // 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
1411 // 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
1412 // |---26 bit---| |-----117----||-------------142-------------|
1413 // b = format bit len, o = odd parity of last 3 bits
1414 // f = facility code, c = card number
1415 // w = wiegand parity
1416 // (26 bit format shown)
1418 //get raw ID before removing parities
1419 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+64,32);
1420 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+32,32);
1421 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
,32);
1422 setDemodBuf(BitStream
,96,idx
);
1424 size
= removeParity(BitStream
, idx
+8, 4, 1, 88);
1426 if (g_debugMode
) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format");
1429 // ok valid card found!
1432 // 0 10 20 30 40 50 60
1434 // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456
1435 // -----------------------------------------------------------------------------
1436 // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
1437 // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1438 // |26 bit| |-117--| |-----142------|
1440 // 00110010 0 0000111110100000 00000000000100010010100010000111 1 000000000
1441 // bbbbbbbb w ffffffffffffffff cccccccccccccccccccccccccccccccc w xxxxxxxxx
1442 // |50 bit| |----4000------| |-----------2248975------------|
1443 // b = format bit len, o = odd parity of last 3 bits
1444 // f = facility code, c = card number
1445 // w = wiegand parity
1448 uint32_t cardnum
= 0;
1451 uint8_t fmtLen
= bytebits_to_byte(BitStream
, 8);
1454 fc
= bytebits_to_byte(BitStream
+ 9, 8);
1455 cardnum
= bytebits_to_byte(BitStream
+ 17, 16);
1456 code1
= bytebits_to_byte(BitStream
+ 8,fmtLen
);
1457 PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1460 fc
= bytebits_to_byte(BitStream
+ 9, 16);
1461 cardnum
= bytebits_to_byte(BitStream
+ 25, 32);
1462 code1
= bytebits_to_byte(BitStream
+ 8, (fmtLen
-32) );
1463 code2
= bytebits_to_byte(BitStream
+ 8 + (fmtLen
-32), 32);
1464 PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen
, fc
, cardnum
, code1
, code2
, rawHi2
, rawHi
, rawLo
);
1468 cardnum
= bytebits_to_byte(BitStream
+8+(fmtLen
-17), 16);
1469 code1
= bytebits_to_byte(BitStream
+8,fmtLen
-32);
1470 code2
= bytebits_to_byte(BitStream
+8+(fmtLen
-32),32);
1471 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, code2
, rawHi2
, rawHi
, rawLo
);
1473 cardnum
= bytebits_to_byte(BitStream
+8+(fmtLen
-17), 16);
1474 code1
= bytebits_to_byte(BitStream
+8,fmtLen
);
1475 PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen
, cardnum
, code1
, rawHi2
, rawHi
, rawLo
);
1481 PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx
, 96);
1488 //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream)
1489 //print full Farpointe Data/Pyramid Prox ID and some bit format details if found
1490 int CmdFSKdemodPyramid(const char *Cmd
)
1492 //raw fsk demod no manchester decoding no start bit finding just get binary from wave
1493 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1494 size_t size
= getFromGraphBuf(BitStream
);
1495 if (size
==0) return 0;
1497 //get binary from fsk wave
1498 int idx
= PyramiddemodFSK(BitStream
, &size
);
1502 PrintAndLog("DEBUG: Error - not enough samples");
1504 PrintAndLog("DEBUG: Error - only noise found");
1506 PrintAndLog("DEBUG: Error - problem during FSK demod");
1508 PrintAndLog("DEBUG: Error - Size not correct: %d", size
);
1510 PrintAndLog("DEBUG: Error - Pyramid preamble not found");
1512 PrintAndLog("DEBUG: Error - idx: %d",idx
);
1517 // 0 10 20 30 40 50 60
1519 // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3
1520 // -----------------------------------------------------------------------------
1521 // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1
1522 // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o
1524 // 64 70 80 90 100 110 120
1526 // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7
1527 // -----------------------------------------------------------------------------
1528 // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0
1529 // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o
1530 // |---115---||---------71---------|
1531 // s = format start bit, o = odd parity of last 7 bits
1532 // f = facility code, c = card number
1533 // w = wiegand parity, x = extra space for other formats
1534 // p = CRC8maxim checksum
1535 // (26 bit format shown)
1537 //get bytes for checksum calc
1538 uint8_t checksum
= bytebits_to_byte(BitStream
+ idx
+ 120, 8);
1539 uint8_t csBuff
[14] = {0x00};
1540 for (uint8_t i
= 0; i
< 13; i
++){
1541 csBuff
[i
] = bytebits_to_byte(BitStream
+ idx
+ 16 + (i
*8), 8);
1543 //check checksum calc
1544 //checksum calc thanks to ICEMAN!!
1545 uint32_t checkCS
= CRC8Maxim(csBuff
,13);
1547 //get raw ID before removing parities
1548 uint32_t rawLo
= bytebits_to_byte(BitStream
+idx
+96,32);
1549 uint32_t rawHi
= bytebits_to_byte(BitStream
+idx
+64,32);
1550 uint32_t rawHi2
= bytebits_to_byte(BitStream
+idx
+32,32);
1551 uint32_t rawHi3
= bytebits_to_byte(BitStream
+idx
,32);
1552 setDemodBuf(BitStream
,128,idx
);
1554 size
= removeParity(BitStream
, idx
+8, 8, 1, 120);
1557 PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size
, idx
, rawHi3
);
1561 // ok valid card found!
1564 // 0 10 20 30 40 50 60 70
1566 // 01234567890123456789012345678901234567890123456789012345678901234567890
1567 // -----------------------------------------------------------------------
1568 // 00000000000000000000000000000000000000000000000000000000000000000000000
1569 // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
1573 // 1 2 34567890 1234567890123456 7 8901234
1574 // ---------------------------------------
1575 // 1 1 01110011 0000000001000110 0 1001010
1576 // s w ffffffff cccccccccccccccc w ppppppp
1577 // |--115-| |------71------|
1578 // s = format start bit, o = odd parity of last 7 bits
1579 // f = facility code, c = card number
1580 // w = wiegand parity, x = extra space for other formats
1581 // p = CRC8-Maxim checksum
1582 // (26 bit format shown)
1584 //find start bit to get fmtLen
1586 for (j
=0; j
< size
; ++j
){
1587 if(BitStream
[j
]) break;
1590 uint8_t fmtLen
= size
-j
-8;
1592 uint32_t cardnum
= 0;
1595 if ( fmtLen
== 26 ){
1596 fc
= bytebits_to_byte(BitStream
+73, 8);
1597 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1598 code1
= bytebits_to_byte(BitStream
+72,fmtLen
);
1599 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
);
1600 } else if (fmtLen
== 45) {
1601 fmtLen
= 42; //end = 10 bits not 7 like 26 bit fmt
1602 fc
= bytebits_to_byte(BitStream
+53, 10);
1603 cardnum
= bytebits_to_byte(BitStream
+63, 32);
1604 PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen
, fc
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1606 cardnum
= bytebits_to_byte(BitStream
+81, 16);
1607 PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen
, cardnum
, rawHi3
, rawHi2
, rawHi
, rawLo
);
1609 if (checksum
== checkCS
)
1610 PrintAndLog("Checksum %02x passed", checksum
);
1612 PrintAndLog("Checksum %02x failed - should have been %02x", checksum
, checkCS
);
1615 PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx
, 128);
1621 // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits)
1622 // 8 databits + 1 parity (1)
1624 // NATIONAL CODE, ICAR database
1625 // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
1626 // FLAG (animal/non-animal)
1633 16 ccitt CRC chksum over 64bit ID CODE.
1636 -- sample: 985121004515220 [ 37FF65B88EF94 ]
1638 int CmdFDXBdemodBI(const char *Cmd
){
1644 uint8_t BitStream
[MAX_DEMOD_BUF_LEN
];
1645 size_t size
= getFromGraphBuf(BitStream
);
1647 errCnt
= askdemod(BitStream
, &size
, &clk
, &invert
, maxErr
, 0, 0);
1648 if ( errCnt
< 0 || errCnt
> maxErr
) {
1649 if (g_debugMode
) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt
, clk
);
1653 errCnt
= BiphaseRawDecode(BitStream
, &size
, maxErr
, 1);
1654 if (errCnt
< 0 || errCnt
> maxErr
) {
1655 if (g_debugMode
) PrintAndLog("Error BiphaseRawDecode: %d", errCnt
);
1659 int preambleIndex
= FDXBdemodBI(BitStream
, &size
);
1660 if (preambleIndex
< 0){
1661 if (g_debugMode
) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex
);
1665 if (g_debugMode
) PrintAndLog("Error incorrect data length found");
1669 setDemodBuf(BitStream
, 128, preambleIndex
);
1671 // remove marker bits (1's every 9th digit after preamble) (pType = 2)
1672 size
= removeParity(BitStream
, preambleIndex
+ 11, 9, 2, 117);
1673 if ( size
!= 104 ) {
1674 if (g_debugMode
) PrintAndLog("Error removeParity:: %d", size
);
1678 char *bin
= sprint_bin_break(BitStream
,size
,16);
1679 PrintAndLog("DEBUG BinStream:\n%s",bin
);
1681 PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:");
1682 if (g_debugMode
) PrintAndLog("Start marker %d; Size %d", preambleIndex
, size
);
1685 uint64_t NationalCode
= ((uint64_t)(bytebits_to_byteLSBF(BitStream
+32,6)) << 32) | bytebits_to_byteLSBF(BitStream
,32);
1686 uint32_t countryCode
= bytebits_to_byteLSBF(BitStream
+38,10);
1687 uint8_t dataBlockBit
= BitStream
[48];
1688 uint32_t reservedCode
= bytebits_to_byteLSBF(BitStream
+49,14);
1689 uint8_t animalBit
= BitStream
[63];
1690 uint32_t crc16
= bytebits_to_byteLSBF(BitStream
+64,16);
1691 uint32_t extended
= bytebits_to_byteLSBF(BitStream
+80,24);
1693 uint64_t rawid
= ((uint64_t)bytebits_to_byte(BitStream
,32)<<32) | bytebits_to_byte(BitStream
+32,32);
1695 num_to_bytes(rawid
, 8, raw
);
1697 if (g_debugMode
) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw
,8));
1699 uint16_t calcCrc
= crc16_ccitt_kermit(raw
, 8);
1700 PrintAndLog("Animal ID: %04u-%012llu", countryCode
, NationalCode
);
1701 PrintAndLog("National Code: %012llu", NationalCode
);
1702 PrintAndLog("CountryCode: %04u", countryCode
);
1703 PrintAndLog("Extended Data: %s", dataBlockBit
? "True" : "False");
1704 PrintAndLog("reserved Code: %u", reservedCode
);
1705 PrintAndLog("Animal Tag: %s", animalBit
? "True" : "False");
1706 PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16
, calcCrc
, (calcCrc
== crc16
) ? "Passed" : "Failed");
1707 PrintAndLog("Extended: 0x%X\n", extended
);
1714 //attempt to psk1 demod graph buffer
1715 int PSKDemod(const char *Cmd
, bool verbose
)
1720 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1725 if (invert
!= 0 && invert
!= 1) {
1726 if (g_debugMode
|| verbose
) PrintAndLog("Invalid argument: %s", Cmd
);
1729 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1730 size_t BitLen
= getFromGraphBuf(BitStream
);
1731 if (BitLen
==0) return 0;
1732 uint8_t carrier
=countFC(BitStream
, BitLen
, 0);
1733 if (carrier
!=2 && carrier
!=4 && carrier
!=8){
1738 PrintAndLog("Carrier: rf/%d",carrier
);
1741 errCnt
= pskRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1742 if (errCnt
> maxErr
){
1743 if (g_debugMode
|| verbose
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1746 if (errCnt
<0|| BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1747 if (g_debugMode
|| verbose
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1750 if (verbose
|| g_debugMode
){
1751 PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk
,invert
,BitLen
);
1753 PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1756 //prime demod buffer for output
1757 setDemodBuf(BitStream
,BitLen
,0);
1761 // Indala 26 bit decode
1763 // optional arguments - same as CmdpskNRZrawDemod (clock & invert)
1764 int CmdIndalaDecode(const char *Cmd
)
1768 ans
= PSKDemod(Cmd
, 0);
1769 } else{ //default to RF/32
1770 ans
= PSKDemod("32", 0);
1775 PrintAndLog("Error1: %d",ans
);
1780 size_t size
= DemodBufferLen
;
1781 int startIdx
= indala26decode(DemodBuffer
, &size
, &invert
);
1782 if (startIdx
< 0 || size
> 224) {
1784 PrintAndLog("Error2: %d",ans
);
1787 setDemodBuf(DemodBuffer
, size
, (size_t)startIdx
);
1790 PrintAndLog("Had to invert bits");
1792 PrintAndLog("BitLen: %d",DemodBufferLen
);
1793 //convert UID to HEX
1794 uint32_t uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
;
1795 uid1
=bytebits_to_byte(DemodBuffer
,32);
1796 uid2
=bytebits_to_byte(DemodBuffer
+32,32);
1797 if (DemodBufferLen
==64){
1798 PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer
,DemodBufferLen
,16), uid1
, uid2
);
1800 uid3
=bytebits_to_byte(DemodBuffer
+64,32);
1801 uid4
=bytebits_to_byte(DemodBuffer
+96,32);
1802 uid5
=bytebits_to_byte(DemodBuffer
+128,32);
1803 uid6
=bytebits_to_byte(DemodBuffer
+160,32);
1804 uid7
=bytebits_to_byte(DemodBuffer
+192,32);
1805 PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
1806 sprint_bin_break(DemodBuffer
,DemodBufferLen
,16), uid1
, uid2
, uid3
, uid4
, uid5
, uid6
, uid7
);
1809 PrintAndLog("DEBUG: printing demodbuffer:");
1815 int CmdPSKNexWatch(const char *Cmd
)
1817 if (!PSKDemod("", false)) return 0;
1819 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};
1820 size_t startIdx
= 0, size
= DemodBufferLen
;
1823 if ( size
< sizeof(preamble
) + 100) return 0;
1825 bool invert
= false;
1826 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)){
1827 // if didn't find preamble try again inverting
1828 if (!PSKDemod("1", false)) return 0;
1830 size
= DemodBufferLen
;
1831 if (!preambleSearch(DemodBuffer
, preamble
, sizeof(preamble
), &size
, &startIdx
)) return 0;
1834 if (size
!= 128) return 0;
1835 setDemodBuf(DemodBuffer
, size
, startIdx
+4);
1836 startIdx
= 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
1839 for (uint8_t wordIdx
=0; wordIdx
<4; wordIdx
++){
1840 for (uint8_t idx
=0; idx
<8; idx
++){
1841 ID
= (ID
<< 1) | DemodBuffer
[startIdx
+wordIdx
+(idx
*4)];
1844 //parity check (TBD)
1846 //checksum check (TBD)
1849 PrintAndLog("NexWatch ID: %d", ID
);
1851 PrintAndLog("Had to Invert - probably NexKey");
1852 for (uint8_t idx
=0; idx
<size
; idx
++)
1853 DemodBuffer
[idx
] ^= 1;
1856 CmdPrintDemodBuff("x");
1861 // takes 3 arguments - clock, invert, maxErr as integers
1862 // attempts to demodulate nrz only
1863 // prints binary found and saves in demodbuffer for further commands
1864 int NRZrawDemod(const char *Cmd
, bool verbose
)
1869 sscanf(Cmd
, "%i %i %i", &clk
, &invert
, &maxErr
);
1874 if (invert
!= 0 && invert
!= 1) {
1875 PrintAndLog("Invalid argument: %s", Cmd
);
1878 uint8_t BitStream
[MAX_GRAPH_TRACE_LEN
]={0};
1879 size_t BitLen
= getFromGraphBuf(BitStream
);
1880 if (BitLen
==0) return 0;
1882 errCnt
= nrzRawDemod(BitStream
, &BitLen
, &clk
, &invert
);
1883 if (errCnt
> maxErr
){
1884 if (g_debugMode
) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1887 if (errCnt
<0 || BitLen
<16){ //throw away static - allow 1 and -1 (in case of threshold command first)
1888 if (g_debugMode
) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk
,invert
,BitLen
,errCnt
);
1891 if (verbose
|| g_debugMode
) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk
,invert
,BitLen
);
1892 //prime demod buffer for output
1893 setDemodBuf(BitStream
,BitLen
,0);
1895 if (errCnt
>0 && (verbose
|| g_debugMode
)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt
);
1896 if (verbose
|| g_debugMode
) {
1897 PrintAndLog("NRZ demoded bitstream:");
1898 // Now output the bitstream to the scrollback by line of 16 bits
1904 int CmdNRZrawDemod(const char *Cmd
)
1906 char cmdp
= param_getchar(Cmd
, 0);
1907 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H')
1908 return usage_data_rawdemod_nr();
1910 return NRZrawDemod(Cmd
, TRUE
);
1914 // takes 3 arguments - clock, invert, maxErr as integers
1915 // attempts to demodulate psk only
1916 // prints binary found and saves in demodbuffer for further commands
1917 int CmdPSK1rawDemod(const char *Cmd
)
1920 char cmdp
= param_getchar(Cmd
, 0);
1921 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H')
1922 return usage_data_rawdemod_p1();
1924 ans
= PSKDemod(Cmd
, TRUE
);
1927 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1930 PrintAndLog("PSK1 demoded bitstream:");
1931 // Now output the bitstream to the scrollback by line of 16 bits
1937 // takes same args as cmdpsk1rawdemod
1938 int CmdPSK2rawDemod(const char *Cmd
)
1941 char cmdp
= param_getchar(Cmd
, 0);
1942 if (strlen(Cmd
) > 10 || cmdp
== 'h' || cmdp
== 'H')
1943 return usage_data_rawdemod_p2();
1945 ans
= PSKDemod(Cmd
, TRUE
);
1947 if (g_debugMode
) PrintAndLog("Error demoding: %d",ans
);
1950 psk1TOpsk2(DemodBuffer
, DemodBufferLen
);
1951 PrintAndLog("PSK2 demoded bitstream:");
1952 // Now output the bitstream to the scrollback by line of 16 bits
1957 // by marshmellow - combines all raw demod functions into one menu command
1958 int CmdRawDemod(const char *Cmd
)
1960 char cmdp
= Cmd
[0]; //param_getchar(Cmd, 0);
1961 char cmdp2
= Cmd
[1];
1964 if (strlen(Cmd
) > 20 || cmdp
== 'h' || cmdp
== 'H' || strlen(Cmd
) < 2)
1965 return usage_data_rawdemod();
1967 if (cmdp
== 'f' && cmdp2
== 's')
1968 ans
= CmdFSKrawdemod(Cmd
+2);
1969 else if(cmdp
== 'a' && cmdp2
== 'b')
1970 ans
= Cmdaskbiphdemod(Cmd
+2);
1971 else if(cmdp
== 'a' && cmdp2
== 'm')
1972 ans
= Cmdaskmandemod(Cmd
+2);
1973 else if(cmdp
== 'a' && cmdp2
== 'r')
1974 ans
= Cmdaskrawdemod(Cmd
+2);
1975 else if(cmdp
== 'n' && cmdp2
== 'r')
1976 ans
= CmdNRZrawDemod(Cmd
+2);
1977 else if(cmdp
== 'p' && cmdp2
== '1')
1978 ans
= CmdPSK1rawDemod(Cmd
+2);
1979 else if(cmdp
== 'p' && cmdp2
== '2')
1980 ans
= CmdPSK2rawDemod(Cmd
+2);
1982 PrintAndLog("unknown modulation entered - see help ('h') for parameter structure");
1986 //iceman: diff sizes on the plotwindow?
1987 int CmdGrid(const char *Cmd
)
1989 sscanf(Cmd
, "%i %i", &PlotGridX
, &PlotGridY
);
1990 PlotGridXdefault
= PlotGridX
;
1991 PlotGridYdefault
= PlotGridY
;
1992 RepaintGraphWindow();
1996 int CmdHexsamples(const char *Cmd
)
2001 char string_buf
[25];
2002 char* string_ptr
= string_buf
;
2003 uint8_t got
[BIGBUF_SIZE
];
2005 sscanf(Cmd
, "%i %i", &requested
, &offset
);
2007 /* if no args send something */
2008 if (requested
== 0) {
2011 if (offset
+ requested
> sizeof(got
)) {
2012 PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE
);
2016 GetFromBigBuf(got
,requested
,offset
);
2017 WaitForResponse(CMD_ACK
,NULL
);
2020 for (j
= 0; j
< requested
; j
++) {
2022 string_ptr
+= sprintf(string_ptr
, "%02x ", got
[j
]);
2024 *(string_ptr
- 1) = '\0'; // remove the trailing space
2025 PrintAndLog("%s", string_buf
);
2026 string_buf
[0] = '\0';
2027 string_ptr
= string_buf
;
2030 if (j
== requested
- 1 && string_buf
[0] != '\0') { // print any remaining bytes
2031 *(string_ptr
- 1) = '\0';
2032 PrintAndLog("%s", string_buf
);
2033 string_buf
[0] = '\0';
2039 int CmdHide(const char *Cmd
)
2045 //zero mean GraphBuffer
2046 int CmdHpf(const char *Cmd
)
2051 for (i
= 10; i
< GraphTraceLen
; ++i
)
2052 accum
+= GraphBuffer
[i
];
2054 accum
/= (GraphTraceLen
- 10);
2056 for (i
= 0; i
< GraphTraceLen
; ++i
)
2057 GraphBuffer
[i
] -= accum
;
2059 RepaintGraphWindow();
2063 bool _headBit( BitstreamOut
*stream
)
2065 int bytepos
= stream
->position
>> 3; // divide by 8
2066 int bitpos
= (stream
->position
++) & 7; // mask out 00000111
2067 return (*(stream
->buffer
+ bytepos
) >> (7-bitpos
)) & 1;
2070 uint8_t getByte(uint8_t bits_per_sample
, BitstreamOut
* b
)
2074 for(i
= 0 ; i
< bits_per_sample
; i
++)
2075 val
|= (_headBit(b
) << (7-i
));
2080 int getSamples(const char *Cmd
, bool silent
)
2082 //If we get all but the last byte in bigbuf,
2083 // we don't have to worry about remaining trash
2084 // in the last byte in case the bits-per-sample
2085 // does not line up on byte boundaries
2087 uint8_t got
[BIGBUF_SIZE
-1] = { 0 };
2089 int n
= strtol(Cmd
, NULL
, 0);
2091 if ( n
== 0 || n
> sizeof(got
))
2094 PrintAndLog("Reading %d bytes from device memory\n", n
);
2095 GetFromBigBuf(got
,n
,0);
2096 PrintAndLog("Data fetched");
2097 UsbCommand response
;
2098 if ( !WaitForResponseTimeout(CMD_ACK
, &response
, 10000) ) {
2099 PrintAndLog("timeout while waiting for reply.");
2103 uint8_t bits_per_sample
= 8;
2105 //Old devices without this feature would send 0 at arg[0]
2106 if (response
.arg
[0] > 0) {
2107 sample_config
*sc
= (sample_config
*) response
.d
.asBytes
;
2108 PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc
->bits_per_sample
, sc
->decimation
);
2109 bits_per_sample
= sc
->bits_per_sample
;
2112 if (bits_per_sample
< 8) {
2113 PrintAndLog("Unpacking...");
2114 BitstreamOut bout
= { got
, bits_per_sample
* n
, 0};
2116 for (j
= 0; j
* bits_per_sample
< n
* 8 && j
< n
; j
++) {
2117 uint8_t sample
= getByte(bits_per_sample
, &bout
);
2118 GraphBuffer
[j
] = ((int) sample
)- 128;
2121 PrintAndLog("Unpacked %d samples" , j
);
2123 for (int j
= 0; j
< n
; j
++) {
2124 GraphBuffer
[j
] = ((int)got
[j
]) - 128;
2129 RepaintGraphWindow();
2133 int CmdSamples(const char *Cmd
)
2135 return getSamples(Cmd
, false);
2138 int CmdTuneSamples(const char *Cmd
)
2141 printf("\nMeasuring antenna characteristics, please wait...");
2143 UsbCommand c
= {CMD_MEASURE_ANTENNA_TUNING
, {0,0,0}};
2144 clearCommandBuffer();
2147 while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING
, &resp
, 2000)) {
2151 PrintAndLog("\nNo response from Proxmark. Aborting...");
2157 int vLf125
, vLf134
, vHf
;
2158 vLf125
= resp
.arg
[0] & 0xffff;
2159 vLf134
= resp
.arg
[0] >> 16;
2160 vHf
= resp
.arg
[1] & 0xffff;;
2161 peakf
= resp
.arg
[2] & 0xffff;
2162 peakv
= resp
.arg
[2] >> 16;
2165 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125
/1000.0);
2167 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134
/1000.0);
2168 if ( peakv
> 0 && peakf
> 0 )
2169 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv
/1000.0, 12000.0/(peakf
+1));
2171 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf
/1000.0);
2173 #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
2174 #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
2175 #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2176 #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
2178 if (peakv
< LF_UNUSABLE_V
)
2179 PrintAndLog("# Your LF antenna is unusable.");
2180 else if (peakv
< LF_MARGINAL_V
)
2181 PrintAndLog("# Your LF antenna is marginal.");
2182 if (vHf
< HF_UNUSABLE_V
)
2183 PrintAndLog("# Your HF antenna is unusable.");
2184 else if (vHf
< HF_MARGINAL_V
)
2185 PrintAndLog("# Your HF antenna is marginal.");
2187 if (peakv
>= LF_UNUSABLE_V
) {
2188 for (int i
= 0; i
< 256; i
++) {
2189 GraphBuffer
[i
] = resp
.d
.asBytes
[i
] - 128;
2191 PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n");
2193 GraphTraceLen
= 256;
2195 RepaintGraphWindow();
2200 int CmdLoad(const char *Cmd
)
2202 char filename
[FILE_PATH_SIZE
] = {0x00};
2206 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2207 memcpy(filename
, Cmd
, len
);
2209 FILE *f
= fopen(filename
, "r");
2211 PrintAndLog("couldn't open '%s'", filename
);
2217 while (fgets(line
, sizeof (line
), f
)) {
2218 GraphBuffer
[GraphTraceLen
] = atoi(line
);
2225 PrintAndLog("loaded %d samples", GraphTraceLen
);
2226 RepaintGraphWindow();
2230 int CmdLtrim(const char *Cmd
)
2234 if (GraphTraceLen
<= 0) return 0;
2236 for (int i
= ds
; i
< GraphTraceLen
; ++i
)
2237 GraphBuffer
[i
-ds
] = GraphBuffer
[i
];
2239 GraphTraceLen
-= ds
;
2240 RepaintGraphWindow();
2244 // trim graph to input argument length
2245 int CmdRtrim(const char *Cmd
)
2249 RepaintGraphWindow();
2253 int CmdNorm(const char *Cmd
)
2256 int max
= INT_MIN
, min
= INT_MAX
;
2258 for (i
= 10; i
< GraphTraceLen
; ++i
) {
2259 if (GraphBuffer
[i
] > max
) max
= GraphBuffer
[i
];
2260 if (GraphBuffer
[i
] < min
) min
= GraphBuffer
[i
];
2264 for (i
= 0; i
< GraphTraceLen
; ++i
) {
2265 GraphBuffer
[i
] = (GraphBuffer
[i
] - ((max
+ min
) / 2)) * 256 / (max
- min
);
2266 //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work
2269 RepaintGraphWindow();
2273 int CmdPlot(const char *Cmd
)
2279 int CmdSave(const char *Cmd
)
2281 char filename
[FILE_PATH_SIZE
] = {0x00};
2285 if (len
> FILE_PATH_SIZE
) len
= FILE_PATH_SIZE
;
2286 memcpy(filename
, Cmd
, len
);
2289 FILE *f
= fopen(filename
, "w");
2291 PrintAndLog("couldn't open '%s'", filename
);
2295 for (i
= 0; i
< GraphTraceLen
; i
++) {
2296 fprintf(f
, "%d\n", GraphBuffer
[i
]);
2302 PrintAndLog("saved to '%s'", Cmd
);
2306 int CmdScale(const char *Cmd
)
2308 CursorScaleFactor
= atoi(Cmd
);
2309 if (CursorScaleFactor
== 0) {
2310 PrintAndLog("bad, can't have zero scale");
2311 CursorScaleFactor
= 1;
2313 RepaintGraphWindow();
2317 int CmdDirectionalThreshold(const char *Cmd
)
2319 int8_t upThres
= param_get8(Cmd
, 0);
2320 int8_t downThres
= param_get8(Cmd
, 1);
2322 printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres
, downThres
);
2324 int lastValue
= GraphBuffer
[0];
2325 GraphBuffer
[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in.
2327 for (int i
= 1; i
< GraphTraceLen
; ++i
) {
2328 // Apply first threshold to samples heading up
2329 if (GraphBuffer
[i
] >= upThres
&& GraphBuffer
[i
] > lastValue
)
2331 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2334 // Apply second threshold to samples heading down
2335 else if (GraphBuffer
[i
] <= downThres
&& GraphBuffer
[i
] < lastValue
)
2337 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2338 GraphBuffer
[i
] = -1;
2342 lastValue
= GraphBuffer
[i
]; // Buffer last value as we overwrite it.
2343 GraphBuffer
[i
] = GraphBuffer
[i
-1];
2346 GraphBuffer
[0] = GraphBuffer
[1]; // Aline with first edited sample.
2347 RepaintGraphWindow();
2351 int CmdZerocrossings(const char *Cmd
)
2353 // Zero-crossings aren't meaningful unless the signal is zero-mean.
2360 for (int i
= 0; i
< GraphTraceLen
; ++i
) {
2361 if (GraphBuffer
[i
] * sign
>= 0) {
2362 // No change in sign, reproduce the previous sample count.
2364 GraphBuffer
[i
] = lastZc
;
2366 // Change in sign, reset the sample count.
2368 GraphBuffer
[i
] = lastZc
;
2376 RepaintGraphWindow();
2381 * @brief Utility for conversion via cmdline.
2385 int Cmdbin2hex(const char *Cmd
)
2388 if(param_getptr(Cmd
, &bg
, &en
, 0))
2389 return usage_data_bin2hex();
2391 //Number of digits supplied as argument
2392 size_t length
= en
- bg
+1;
2393 size_t bytelen
= (length
+7) / 8;
2394 uint8_t* arr
= (uint8_t *) malloc(bytelen
);
2395 memset(arr
, 0, bytelen
);
2396 BitstreamOut bout
= { arr
, 0, 0 };
2398 for (; bg
<= en
;bg
++) {
2400 if( c
== '1') pushBit(&bout
, 1);
2401 else if( c
== '0') pushBit(&bout
, 0);
2402 else PrintAndLog("Ignoring '%c'", c
);
2405 if (bout
.numbits
% 8 != 0)
2406 printf("[padded with %d zeroes]\n", 8-(bout
.numbits
% 8));
2408 //Uses printf instead of PrintAndLog since the latter
2409 // adds linebreaks to each printout - this way was more convenient since we don't have to
2410 // allocate a string and write to that first...
2411 for(size_t x
= 0; x
< bytelen
; x
++)
2412 printf("%02X", arr
[x
]);
2419 int Cmdhex2bin(const char *Cmd
)
2422 if(param_getptr(Cmd
, &bg
, &en
, 0)) return usage_data_hex2bin();
2427 if (x
>= 'a' && x
<= 'f')
2429 // convert to numeric value
2430 if (x
>= '0' && x
<= '9')
2432 else if (x
>= 'A' && x
<= 'F')
2437 //Uses printf instead of PrintAndLog since the latter
2438 // adds linebreaks to each printout - this way was more convenient since we don't have to
2439 // allocate a string and write to that first...
2441 for(int i
= 0 ; i
< 4 ; ++i
)
2442 printf("%d",(x
>> (3 - i
)) & 1);
2449 int CmdDataIIR(const char *Cmd
){
2451 uint8_t k
= param_get8(Cmd
,0);
2452 //iceIIR_Butterworth(GraphBuffer, GraphTraceLen);
2453 iceSimple_Filter(GraphBuffer
, GraphTraceLen
, k
);
2454 RepaintGraphWindow();
2458 static command_t CommandTable
[] =
2460 {"help", CmdHelp
, 1, "This help"},
2461 {"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)"},
2462 {"askem410xdemod", CmdAskEM410xDemod
, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
2463 {"askgproxiidemod", CmdG_Prox_II_Demod
, 1, "Demodulate a G Prox II tag from GraphBuffer"},
2464 {"askvikingdemod", CmdVikingDemod
, 1, "Demodulate a Viking AM tag from GraphBuffer"},
2465 {"autocorr", CmdAutoCorr
, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
2466 {"biphaserawdecode",CmdBiphaseDecodeRaw
,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
2467 {"bin2hex", Cmdbin2hex
, 1, "<digits> -- Converts binary to hexadecimal"},
2468 {"bitsamples", CmdBitsamples
, 0, "Get raw samples as bitstring"},
2469 {"buffclear", CmdBuffClear
, 1, "Clear sample buffer and graph window"},
2470 {"dec", CmdDec
, 1, "Decimate samples"},
2471 {"detectclock", CmdDetectClockRate
, 1, "[<a|f|n|p>] Detect ASK, FSK, NRZ, PSK clock rate of wave in GraphBuffer"},
2472 {"fdxbdemod", CmdFDXBdemodBI
, 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
2473 {"fskawiddemod", CmdFSKdemodAWID
, 1, "Demodulate an AWID FSK tag from GraphBuffer"},
2474 //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"},
2475 {"fskhiddemod", CmdFSKdemodHID
, 1, "Demodulate a HID FSK tag from GraphBuffer"},
2476 {"fskiodemod", CmdFSKdemodIO
, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"},
2477 {"fskpyramiddemod", CmdFSKdemodPyramid
, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"},
2478 {"fskparadoxdemod", CmdFSKdemodParadox
, 1, "Demodulate a Paradox FSK tag from GraphBuffer"},
2479 {"getbitstream", CmdGetBitStream
, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
2480 {"grid", CmdGrid
, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
2481 {"hexsamples", CmdHexsamples
, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
2482 {"hex2bin", Cmdhex2bin
, 1, "<hexadecimal> -- Converts hexadecimal to binary"},
2483 {"hide", CmdHide
, 1, "Hide graph window"},
2484 {"hpf", CmdHpf
, 1, "Remove DC offset from trace"},
2485 {"load", CmdLoad
, 1, "<filename> -- Load trace (to graph window"},
2486 {"ltrim", CmdLtrim
, 1, "<samples> -- Trim samples from left of trace"},
2487 {"rtrim", CmdRtrim
, 1, "<location to end trace> -- Trim samples from right of trace"},
2488 {"manrawdecode", Cmdmandecoderaw
, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
2489 {"norm", CmdNorm
, 1, "Normalize max/min to +/-128"},
2490 {"plot", CmdPlot
, 1, "Show graph window (hit 'h' in window for keystroke help)"},
2491 {"printdemodbuffer",CmdPrintDemodBuff
, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
2492 {"pskindalademod", CmdIndalaDecode
, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
2493 {"psknexwatchdemod",CmdPSKNexWatch
, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
2494 {"rawdemod", CmdRawDemod
, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
2495 {"samples", CmdSamples
, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
2496 {"save", CmdSave
, 1, "<filename> -- Save trace (from graph window)"},
2497 {"scale", CmdScale
, 1, "<int> -- Set cursor display scale"},
2498 {"setdebugmode", CmdSetDebugMode
, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
2499 {"shiftgraphzero", CmdGraphShiftZero
, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
2500 {"dirthreshold", CmdDirectionalThreshold
, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
2501 {"tune", CmdTuneSamples
, 0, "Get hw tune samples for graph window"},
2502 {"undec", CmdUndec
, 1, "Un-decimate samples by 2"},
2503 {"zerocrossings", CmdZerocrossings
, 1, "Count time between zero-crossings"},
2504 {"iir", CmdDataIIR
, 0, "apply IIR buttersworth filter on plotdata"},
2505 {NULL
, NULL
, 0, NULL
}
2508 int CmdData(const char *Cmd
){
2509 clearCommandBuffer();
2510 CmdsParse(CommandTable
, Cmd
);
2514 int CmdHelp(const char *Cmd
)
2516 CmdsHelp(CommandTable
);