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1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
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
6 // the license.
7 //-----------------------------------------------------------------------------
8 // Low frequency commands
9 //-----------------------------------------------------------------------------
10 #include "cmdlf.h"
11
12 bool g_lf_threshold_set = FALSE;
13
14 static int CmdHelp(const char *Cmd);
15
16 int usage_lf_cmdread(void) {
17 PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H]");
18 PrintAndLog("Options:");
19 PrintAndLog(" h This help");
20 PrintAndLog(" L Low frequency (125 KHz)");
21 PrintAndLog(" H High frequency (134 KHz)");
22 PrintAndLog(" d <delay> delay OFF period, (decimal)");
23 PrintAndLog(" z <zero> time period ZERO, (decimal)");
24 PrintAndLog(" o <one> time period ONE, (decimal)");
25 PrintAndLog(" c <cmd> Command bytes (in ones and zeros)");
26 PrintAndLog(" ************* All periods in microseconds (ms)");
27 PrintAndLog("Examples:");
28 PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000");
29 PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000 H");
30 return 0;
31 }
32 int usage_lf_read(void){
33 PrintAndLog("Usage: lf read [h] [s]");
34 PrintAndLog("Options:");
35 PrintAndLog(" h This help");
36 PrintAndLog(" s silent run no printout");
37 PrintAndLog("Use 'lf config' to set parameters.");
38 return 0;
39 }
40 int usage_lf_snoop(void) {
41 PrintAndLog("Snoop low frequence signal. Use 'lf config' to set parameters.");
42 PrintAndLog("Usage: lf snoop [h]");
43 PrintAndLog("Options:");
44 PrintAndLog(" h This help");
45 return 0;
46 }
47 int usage_lf_config(void) {
48 PrintAndLog("Usage: lf config [h] [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
49 PrintAndLog("Options:");
50 PrintAndLog(" h This help");
51 PrintAndLog(" L Low frequency (125 KHz)");
52 PrintAndLog(" H High frequency (134 KHz)");
53 PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
54 PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
55 PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
56 PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
57 PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
58 PrintAndLog("Examples:");
59 PrintAndLog(" lf config b 8 L");
60 PrintAndLog(" Samples at 125KHz, 8bps.");
61 PrintAndLog(" lf config H b 4 d 3");
62 PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
63 PrintAndLog(" a resolution of 4 bits per sample.");
64 PrintAndLog(" lf read");
65 PrintAndLog(" Performs a read (active field)");
66 PrintAndLog(" lf snoop");
67 PrintAndLog(" Performs a snoop (no active field)");
68 return 0;
69 }
70 int usage_lf_simfsk(void) {
71 PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
72 PrintAndLog("Options:");
73 PrintAndLog(" h This help");
74 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
75 PrintAndLog(" i invert data");
76 PrintAndLog(" H <fcHigh> Manually set the larger Field Clock");
77 PrintAndLog(" L <fcLow> Manually set the smaller Field Clock");
78 //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
79 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
80 PrintAndLog("\n NOTE: if you set one clock manually set them all manually");
81 return 0;
82 }
83 int usage_lf_simask(void) {
84 PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
85 PrintAndLog("Options:");
86 PrintAndLog(" h This help");
87 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
88 PrintAndLog(" i invert data");
89 PrintAndLog(" b sim ask/biphase");
90 PrintAndLog(" m sim ask/manchester - Default");
91 PrintAndLog(" r sim ask/raw");
92 PrintAndLog(" s add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
93 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
94 return 0;
95 }
96 int usage_lf_simpsk(void) {
97 PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
98 PrintAndLog("Options:");
99 PrintAndLog(" h This help");
100 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
101 PrintAndLog(" i invert data");
102 PrintAndLog(" 1 set PSK1 (default)");
103 PrintAndLog(" 2 set PSK2");
104 PrintAndLog(" 3 set PSK3");
105 PrintAndLog(" r <carrier> 2|4|8 are valid carriers: default = 2");
106 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
107 return 0;
108 }
109 int usage_lf_find(void){
110 PrintAndLog("Usage: lf search [h] <0|1> [u]");
111 PrintAndLog("");
112 PrintAndLog("Options:");
113 PrintAndLog(" h This help");
114 PrintAndLog(" <0|1> Use data from Graphbuffer, if not set, try reading data from tag.");
115 PrintAndLog(" u Search for Unknown tags, if not set, reads only known tags.");
116 PrintAndLog("Examples:");
117 PrintAndLog(" lf search = try reading data from tag & search for known tags");
118 PrintAndLog(" lf search 1 = use data from GraphBuffer & search for known tags");
119 PrintAndLog(" lf search u = try reading data from tag & search for known and unknown tags");
120 PrintAndLog(" lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
121 return 0;
122 }
123
124
125 /* send a LF command before reading */
126 int CmdLFCommandRead(const char *Cmd) {
127
128 bool errors = FALSE;
129 bool useHighFreq = FALSE;
130 uint16_t one = 0, zero = 0;
131 uint8_t cmdp = 0;
132 UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K, {0,0,0}};
133
134 while(param_getchar(Cmd, cmdp) != 0x00) {
135 switch(param_getchar(Cmd, cmdp)) {
136 case 'h':
137 return usage_lf_cmdread();
138 case 'H':
139 useHighFreq = TRUE;
140 cmdp++;
141 break;
142 case 'L':
143 cmdp++;
144 break;
145 case 'c':
146 param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
147 cmdp+=2;
148 break;
149 case 'd':
150 c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
151 cmdp+=2;
152 break;
153 case 'z':
154 zero = param_get32ex(Cmd, cmdp+1, 0, 10) & 0xFFFF;
155 cmdp+=2;
156 break;
157 case 'o':
158 one = param_get32ex(Cmd, cmdp+1, 0, 10) & 0xFFFF;
159 cmdp+=2;
160 break;
161 default:
162 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
163 errors = 1;
164 break;
165 }
166 if(errors) break;
167 }
168 // No args
169 if (cmdp == 0) errors = TRUE;
170
171 //Validations
172 if (errors) return usage_lf_cmdread();
173
174 // zero and one lengths
175 c.arg[1] = (uint32_t)(zero << 16 | one);
176
177 // add frequency 125 or 134
178 c.arg[2] = useHighFreq;
179
180 clearCommandBuffer();
181 SendCommand(&c);
182 return 0;
183 }
184
185 int CmdFlexdemod(const char *Cmd)
186 {
187 #define LONG_WAIT 100
188 int i, j, start, bit, sum;
189 int phase = 0;
190
191 for (i = 0; i < GraphTraceLen; ++i)
192 GraphBuffer[i] = (GraphBuffer[i] < 0) ? -1 : 1;
193
194 for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
195 int first = GraphBuffer[start];
196 for (i = start; i < start + LONG_WAIT; i++) {
197 if (GraphBuffer[i] != first) {
198 break;
199 }
200 }
201 if (i == (start + LONG_WAIT))
202 break;
203 }
204
205 if (start == GraphTraceLen - LONG_WAIT) {
206 PrintAndLog("nothing to wait for");
207 return 0;
208 }
209
210 GraphBuffer[start] = 2;
211 GraphBuffer[start+1] = -2;
212 uint8_t bits[64] = {0x00};
213
214 i = start;
215 for (bit = 0; bit < 64; bit++) {
216 sum = 0;
217 for (int j = 0; j < 16; j++) {
218 sum += GraphBuffer[i++];
219 }
220 bits[bit] = (sum > 0) ? 1 : 0;
221 PrintAndLog("bit %d sum %d", bit, sum);
222 }
223
224 for (bit = 0; bit < 64; bit++) {
225 sum = 0;
226 for (j = 0; j < 16; j++)
227 sum += GraphBuffer[i++];
228
229 if (sum > 0 && bits[bit] != 1) PrintAndLog("oops1 at %d", bit);
230
231 if (sum < 0 && bits[bit] != 0) PrintAndLog("oops2 at %d", bit);
232
233 }
234
235 // HACK writing back to graphbuffer.
236 GraphTraceLen = 32*64;
237 i = 0;
238 for (bit = 0; bit < 64; bit++) {
239
240 phase = (bits[bit] == 0) ? 0 : 1;
241
242 for (j = 0; j < 32; j++) {
243 GraphBuffer[i++] = phase;
244 phase = !phase;
245 }
246 }
247 RepaintGraphWindow();
248 return 0;
249 }
250
251 int CmdIndalaDemod(const char *Cmd)
252 {
253 // PSK1, Bitrate 32,
254
255 // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
256 int state = -1;
257 int count = 0;
258 int i, j;
259
260 // worst case with GraphTraceLen=64000 is < 4096
261 // under normal conditions it's < 2048
262 uint8_t rawbits[4096];
263
264 int rawbit = 0, worst = 0, worstPos = 0;
265 // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
266
267 // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2)
268 for (i = 0; i < GraphTraceLen-1; i += 2) {
269 count += 1;
270 if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
271 // appears redundant - marshmellow
272 if (state == 0) {
273 for (j = 0; j < count - 8; j += 16) {
274 rawbits[rawbit++] = 0;
275 }
276 if ((abs(count - j)) > worst) {
277 worst = abs(count - j);
278 worstPos = i;
279 }
280 }
281 state = 1;
282 count = 0;
283 } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
284 //appears redundant
285 if (state == 1) {
286 for (j = 0; j < count - 8; j += 16) {
287 rawbits[rawbit++] = 1;
288 }
289 if ((abs(count - j)) > worst) {
290 worst = abs(count - j);
291 worstPos = i;
292 }
293 }
294 state = 0;
295 count = 0;
296 }
297 }
298 if ( rawbit<1 ) return 0;
299
300 if (g_debugMode) {
301 PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
302 PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
303 }
304
305 // Finding the start of a UID
306 int uidlen, long_wait;
307 if (strcmp(Cmd, "224") == 0) {
308 uidlen = 224;
309 long_wait = 30;
310 } else {
311 uidlen = 64;
312 long_wait = 29;
313 }
314
315 int start;
316 int first = 0;
317 for (start = 0; start <= rawbit - uidlen; start++) {
318 first = rawbits[start];
319 for (i = start; i < start + long_wait; i++) {
320 if (rawbits[i] != first) {
321 break;
322 }
323 }
324 if (i == (start + long_wait)) {
325 break;
326 }
327 }
328
329 if (start == rawbit - uidlen + 1) {
330 if (g_debugMode) PrintAndLog("nothing to wait for");
331 return 0;
332 }
333
334 // Inverting signal if needed
335 if (first == 1) {
336 for (i = start; i < rawbit; i++)
337 rawbits[i] = !rawbits[i];
338 }
339
340 // Dumping UID
341 uint8_t bits[224] = {0x00};
342 char showbits[225] = {0x00};
343 int bit;
344 i = start;
345 int times = 0;
346
347 if (uidlen > rawbit) {
348 PrintAndLog("Warning: not enough raw bits to get a full UID");
349 for (bit = 0; bit < rawbit; bit++) {
350 bits[bit] = rawbits[i++];
351 // As we cannot know the parity, let's use "." and "/"
352 showbits[bit] = '.' + bits[bit];
353 }
354 showbits[bit+1]='\0';
355 PrintAndLog("Partial UID=%s", showbits);
356 return 0;
357 } else {
358 for (bit = 0; bit < uidlen; bit++) {
359 bits[bit] = rawbits[i++];
360 showbits[bit] = '0' + bits[bit];
361 }
362 times = 1;
363 }
364
365 //convert UID to HEX
366 uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
367 int idx;
368 uid1 = uid2 = 0;
369
370 if (uidlen==64){
371 for( idx=0; idx<64; idx++) {
372 if (showbits[idx] == '0') {
373 uid1 = (uid1<<1) | (uid2>>31);
374 uid2 = (uid2<<1) | 0;
375 } else {
376 uid1 = (uid1<<1) | (uid2>>31);
377 uid2 = (uid2<<1) | 1;
378 }
379 }
380 PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
381 } else {
382 uid3 = uid4 = uid5 = uid6 = uid7 = 0;
383
384 for( idx=0; idx<224; idx++) {
385 uid1 = (uid1<<1) | (uid2>>31);
386 uid2 = (uid2<<1) | (uid3>>31);
387 uid3 = (uid3<<1) | (uid4>>31);
388 uid4 = (uid4<<1) | (uid5>>31);
389 uid5 = (uid5<<1) | (uid6>>31);
390 uid6 = (uid6<<1) | (uid7>>31);
391
392 if (showbits[idx] == '0')
393 uid7 = (uid7<<1) | 0;
394 else
395 uid7 = (uid7<<1) | 1;
396 }
397 PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
398 }
399
400 // Checking UID against next occurrences
401 int failed = 0;
402 for (; i + uidlen <= rawbit;) {
403 failed = 0;
404 for (bit = 0; bit < uidlen; bit++) {
405 if (bits[bit] != rawbits[i++]) {
406 failed = 1;
407 break;
408 }
409 }
410 if (failed == 1) {
411 break;
412 }
413 times += 1;
414 }
415
416 if (g_debugMode) PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
417
418 // Remodulating for tag cloning
419 // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod)
420 // since this changes graphbuffer data.
421 GraphTraceLen = 32 * uidlen;
422 i = 0;
423 int phase = 0;
424 for (bit = 0; bit < uidlen; bit++) {
425 phase = (bits[bit] == 0) ? 0 : 1;
426 int j;
427 for (j = 0; j < 32; j++) {
428 GraphBuffer[i++] = phase;
429 phase = !phase;
430 }
431 }
432
433 RepaintGraphWindow();
434 return 1;
435 }
436
437 int CmdIndalaClone(const char *Cmd){
438 UsbCommand c;
439 unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
440
441 uid1 = uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;
442 int n = 0, i = 0;
443
444 if (strchr(Cmd,'l') != 0) {
445 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
446 uid1 = (uid1 << 4) | (uid2 >> 28);
447 uid2 = (uid2 << 4) | (uid3 >> 28);
448 uid3 = (uid3 << 4) | (uid4 >> 28);
449 uid4 = (uid4 << 4) | (uid5 >> 28);
450 uid5 = (uid5 << 4) | (uid6 >> 28);
451 uid6 = (uid6 << 4) | (uid7 >> 28);
452 uid7 = (uid7 << 4) | (n & 0xf);
453 }
454 PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
455 c.cmd = CMD_INDALA_CLONE_TAG_L;
456 c.d.asDwords[0] = uid1;
457 c.d.asDwords[1] = uid2;
458 c.d.asDwords[2] = uid3;
459 c.d.asDwords[3] = uid4;
460 c.d.asDwords[4] = uid5;
461 c.d.asDwords[5] = uid6;
462 c.d.asDwords[6] = uid7;
463 } else {
464 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
465 uid1 = (uid1 << 4) | (uid2 >> 28);
466 uid2 = (uid2 << 4) | (n & 0xf);
467 }
468 PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
469 c.cmd = CMD_INDALA_CLONE_TAG;
470 c.arg[0] = uid1;
471 c.arg[1] = uid2;
472 }
473
474 clearCommandBuffer();
475 SendCommand(&c);
476 return 0;
477 }
478
479 int CmdLFSetConfig(const char *Cmd) {
480 uint8_t divisor = 0;//Frequency divisor
481 uint8_t bps = 0; // Bits per sample
482 uint8_t decimation = 0; //How many to keep
483 bool averaging = 1; // Defaults to true
484 bool errors = FALSE;
485 int trigger_threshold = -1;//Means no change
486 uint8_t unsigned_trigg = 0;
487
488 uint8_t cmdp = 0;
489 while(param_getchar(Cmd, cmdp) != 0x00) {
490 switch(param_getchar(Cmd, cmdp)) {
491 case 'h':
492 return usage_lf_config();
493 case 'H':
494 divisor = 88;
495 cmdp++;
496 break;
497 case 'L':
498 divisor = 95;
499 cmdp++;
500 break;
501 case 'q':
502 errors |= param_getdec(Cmd, cmdp+1, &divisor);
503 cmdp+=2;
504 break;
505 case 't':
506 errors |= param_getdec(Cmd, cmdp+1, &unsigned_trigg);
507 cmdp+=2;
508 if(!errors) {
509 trigger_threshold = unsigned_trigg;
510 g_lf_threshold_set = (trigger_threshold > 0);
511 }
512 break;
513 case 'b':
514 errors |= param_getdec(Cmd, cmdp+1, &bps);
515 cmdp+=2;
516 break;
517 case 'd':
518 errors |= param_getdec(Cmd, cmdp+1, &decimation);
519 cmdp+=2;
520 break;
521 case 'a':
522 averaging = param_getchar(Cmd, cmdp+1) == '1';
523 cmdp+=2;
524 break;
525 default:
526 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
527 errors = 1;
528 break;
529 }
530 if(errors) break;
531 }
532
533 // No args
534 if (cmdp == 0) errors = 1;
535
536 //Validations
537 if (errors) return usage_lf_config();
538
539 //Bps is limited to 8
540 if (bps >> 4) bps = 8;
541
542 sample_config config = { decimation, bps, averaging, divisor, trigger_threshold };
543
544 UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG, {0,0,0} };
545 memcpy(c.d.asBytes, &config, sizeof(sample_config));
546 clearCommandBuffer();
547 SendCommand(&c);
548 return 0;
549 }
550
551 int CmdLFRead(const char *Cmd) {
552
553 if (offline) return 0;
554
555 bool errors = FALSE;
556 bool arg1 = FALSE;
557 uint8_t cmdp = 0;
558 while(param_getchar(Cmd, cmdp) != 0x00) {
559 switch(param_getchar(Cmd, cmdp)) {
560 case 'h':
561 case 'H':
562 return usage_lf_read();
563 case 's':
564 case 'S':
565 arg1 = TRUE;
566 cmdp++;
567 break;
568 default:
569 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
570 errors = 1;
571 break;
572 }
573 if(errors) break;
574 }
575
576 // No args
577 if (cmdp == 0) errors = 1;
578
579 //Validations
580 if (errors) return usage_lf_read();
581
582 UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
583 clearCommandBuffer();
584 SendCommand(&c);
585 if ( g_lf_threshold_set ) {
586 WaitForResponse(CMD_ACK,NULL);
587 } else {
588 if ( !WaitForResponseTimeout(CMD_ACK, NULL ,2500) ) {
589 PrintAndLog("command execution time out");
590 return 1;
591 }
592 }
593 return 0;
594 }
595
596 int CmdLFSnoop(const char *Cmd) {
597 uint8_t cmdp = param_getchar(Cmd, 0);
598 if(cmdp == 'h' || cmdp == 'H') return usage_lf_snoop();
599
600 UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES,{0,0,0}};
601 clearCommandBuffer();
602 SendCommand(&c);
603 WaitForResponse(CMD_ACK,NULL);
604 getSamples("", false);
605 return 0;
606 }
607
608 static void ChkBitstream(const char *str) {
609 // convert to bitstream if necessary
610 for (int i = 0; i < (int)(GraphTraceLen / 2); i++){
611 if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
612 CmdGetBitStream("");
613 break;
614 }
615 }
616 }
617 //Attempt to simulate any wave in buffer (one bit per output sample)
618 // converts GraphBuffer to bitstream (based on zero crossings) if needed.
619 int CmdLFSim(const char *Cmd) {
620 int i,j;
621 static int gap;
622
623 sscanf(Cmd, "%i", &gap);
624
625 // convert to bitstream if necessary
626 ChkBitstream(Cmd);
627
628 if (g_debugMode)
629 printf("DEBUG: Sending [%d bytes]\n", GraphTraceLen);
630
631 //can send only 512 bits at a time (1 byte sent per bit...)
632 for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
633 UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
634
635 for (j = 0; j < USB_CMD_DATA_SIZE; j++)
636 c.d.asBytes[j] = GraphBuffer[i+j];
637
638 clearCommandBuffer();
639 SendCommand(&c);
640 WaitForResponse(CMD_ACK, NULL);
641 printf(".");
642 }
643
644 PrintAndLog("Simulating");
645
646 UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
647 clearCommandBuffer();
648 SendCommand(&c);
649 return 0;
650 }
651
652 // by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert
653 // - allow pull data from DemodBuffer
654 int CmdLFfskSim(const char *Cmd)
655 {
656 //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
657 // otherwise will need FChigh, FClow, Clock, and bitstream
658 uint8_t fcHigh = 0, fcLow = 0, clk = 0;
659 uint8_t invert = 0;
660 bool errors = FALSE;
661 char hexData[32] = {0x00}; // store entered hex data
662 uint8_t data[255] = {0x00};
663 int dataLen = 0;
664 uint8_t cmdp = 0;
665
666 while(param_getchar(Cmd, cmdp) != 0x00) {
667 switch(param_getchar(Cmd, cmdp)){
668 case 'h':
669 return usage_lf_simfsk();
670 case 'i':
671 invert = 1;
672 cmdp++;
673 break;
674 case 'c':
675 errors |= param_getdec(Cmd, cmdp+1, &clk);
676 cmdp += 2;
677 break;
678 case 'H':
679 errors |= param_getdec(Cmd, cmdp+1, &fcHigh);
680 cmdp += 2;
681 break;
682 case 'L':
683 errors |= param_getdec(Cmd, cmdp+1, &fcLow);
684 cmdp += 2;
685 break;
686 //case 's':
687 // separator = 1;
688 // cmdp++;
689 // break;
690 case 'd':
691 dataLen = param_getstr(Cmd, cmdp+1, hexData);
692 if (dataLen == 0)
693 errors = TRUE;
694 else
695 dataLen = hextobinarray((char *)data, hexData);
696
697 if (dataLen == 0) errors = TRUE;
698 if (errors) PrintAndLog ("Error getting hex data");
699 cmdp+=2;
700 break;
701 default:
702 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
703 errors = TRUE;
704 break;
705 }
706 if(errors) break;
707 }
708
709 // No args
710 if(cmdp == 0 && DemodBufferLen == 0)
711 errors = TRUE;
712
713 //Validations
714 if(errors) return usage_lf_simfsk();
715
716 if (dataLen == 0){ //using DemodBuffer
717 if (clk == 0 || fcHigh == 0 || fcLow == 0){ //manual settings must set them all
718 uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0);
719 if (ans==0){
720 if (!fcHigh) fcHigh = 10;
721 if (!fcLow) fcLow = 8;
722 if (!clk) clk = 50;
723 }
724 }
725 } else {
726 setDemodBuf(data, dataLen, 0);
727 }
728
729 //default if not found
730 if (clk == 0) clk = 50;
731 if (fcHigh == 0) fcHigh = 10;
732 if (fcLow == 0) fcLow = 8;
733
734 uint16_t arg1, arg2;
735 arg1 = fcHigh << 8 | fcLow;
736 arg2 = invert << 8 | clk;
737 size_t size = DemodBufferLen;
738 if (size > USB_CMD_DATA_SIZE) {
739 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
740 size = USB_CMD_DATA_SIZE;
741 }
742 UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
743
744 memcpy(c.d.asBytes, DemodBuffer, size);
745 clearCommandBuffer();
746 SendCommand(&c);
747 return 0;
748 }
749
750 // by marshmellow - sim ask data given clock, invert, manchester or raw, separator
751 // - allow pull data from DemodBuffer
752 int CmdLFaskSim(const char *Cmd)
753 {
754 // autodetect clock from Graphbuffer if using demod buffer
755 // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
756 uint8_t encoding = 1, separator = 0, clk = 0, invert = 0;
757 bool errors = FALSE;
758 char hexData[32] = {0x00};
759 uint8_t data[255]= {0x00}; // store entered hex data
760 int dataLen = 0;
761 uint8_t cmdp = 0;
762
763 while(param_getchar(Cmd, cmdp) != 0x00) {
764 switch(param_getchar(Cmd, cmdp)) {
765 case 'H':
766 case 'h': return usage_lf_simask();
767 case 'i':
768 invert = 1;
769 cmdp++;
770 break;
771 case 'c':
772 errors |= param_getdec(Cmd, cmdp+1, &clk);
773 cmdp += 2;
774 break;
775 case 'b':
776 encoding = 2; //biphase
777 cmdp++;
778 break;
779 case 'm':
780 encoding = 1; //manchester
781 cmdp++;
782 break;
783 case 'r':
784 encoding = 0; //raw
785 cmdp++;
786 break;
787 case 's':
788 separator = 1;
789 cmdp++;
790 break;
791 case 'd':
792 dataLen = param_getstr(Cmd, cmdp+1, hexData);
793 if (dataLen == 0)
794 errors = TRUE;
795 else
796 dataLen = hextobinarray((char *)data, hexData);
797
798 if (dataLen == 0) errors = TRUE;
799 if (errors) PrintAndLog ("Error getting hex data, datalen: %d", dataLen);
800 cmdp += 2;
801 break;
802 default:
803 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
804 errors = TRUE;
805 break;
806 }
807 if(errors) break;
808 }
809
810 // No args
811 if(cmdp == 0 && DemodBufferLen == 0)
812 errors = TRUE;
813
814 //Validations
815 if(errors) return usage_lf_simask();
816
817 if (dataLen == 0){ //using DemodBuffer
818 if (clk == 0)
819 clk = GetAskClock("0", false, false);
820 } else {
821 setDemodBuf(data, dataLen, 0);
822 }
823 if (clk == 0) clk = 64;
824 if (encoding == 0) clk >>= 2; //askraw needs to double the clock speed
825
826 size_t size = DemodBufferLen;
827
828 if (size > USB_CMD_DATA_SIZE) {
829 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
830 size = USB_CMD_DATA_SIZE;
831 }
832
833 PrintAndLog("preparing to sim ask data: %d bits", size);
834
835 uint16_t arg1, arg2;
836 arg1 = clk << 8 | encoding;
837 arg2 = invert << 8 | separator;
838
839 UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
840 memcpy(c.d.asBytes, DemodBuffer, size);
841 clearCommandBuffer();
842 SendCommand(&c);
843 return 0;
844 }
845
846 // by marshmellow - sim psk data given carrier, clock, invert
847 // - allow pull data from DemodBuffer or parameters
848 int CmdLFpskSim(const char *Cmd) {
849 //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
850 //will need carrier, Clock, and bitstream
851 uint8_t carrier=0, clk=0;
852 uint8_t invert=0;
853 bool errors = FALSE;
854 char hexData[32] = {0x00}; // store entered hex data
855 uint8_t data[255] = {0x00};
856 int dataLen = 0;
857 uint8_t cmdp = 0;
858 uint8_t pskType = 1;
859
860 while(param_getchar(Cmd, cmdp) != 0x00) {
861 switch(param_getchar(Cmd, cmdp)) {
862 case 'h':
863 return usage_lf_simpsk();
864 case 'i':
865 invert = 1;
866 cmdp++;
867 break;
868 case 'c':
869 errors |= param_getdec(Cmd,cmdp+1,&clk);
870 cmdp +=2;
871 break;
872 case 'r':
873 errors |= param_getdec(Cmd,cmdp+1,&carrier);
874 cmdp += 2;
875 break;
876 case '1':
877 pskType = 1;
878 cmdp++;
879 break;
880 case '2':
881 pskType = 2;
882 cmdp++;
883 break;
884 case '3':
885 pskType = 3;
886 cmdp++;
887 break;
888 case 'd':
889 dataLen = param_getstr(Cmd, cmdp+1, hexData);
890 if (dataLen == 0)
891 errors = TRUE;
892 else
893 dataLen = hextobinarray((char *)data, hexData);
894
895 if (dataLen == 0) errors = TRUE;
896 if (errors) PrintAndLog ("Error getting hex data");
897 cmdp+=2;
898 break;
899 default:
900 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
901 errors = TRUE;
902 break;
903 }
904 if (errors) break;
905 }
906 // No args
907 if (cmdp == 0 && DemodBufferLen == 0)
908 errors = TRUE;
909
910 //Validations
911 if (errors) return usage_lf_simpsk();
912
913 if (dataLen == 0){ //using DemodBuffer
914 PrintAndLog("Getting Clocks");
915
916 if (clk==0) clk = GetPskClock("", FALSE, FALSE);
917 PrintAndLog("clk: %d",clk);
918
919 if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE);
920 PrintAndLog("carrier: %d", carrier);
921
922 } else {
923 setDemodBuf(data, dataLen, 0);
924 }
925
926 if (clk <= 0) clk = 32;
927
928 if (carrier == 0) carrier = 2;
929
930 if (pskType != 1){
931 if (pskType == 2){
932 //need to convert psk2 to psk1 data before sim
933 psk2TOpsk1(DemodBuffer, DemodBufferLen);
934 } else {
935 PrintAndLog("Sorry, PSK3 not yet available");
936 }
937 }
938 uint16_t arg1, arg2;
939 arg1 = clk << 8 | carrier;
940 arg2 = invert;
941 size_t size = DemodBufferLen;
942 if (size > USB_CMD_DATA_SIZE) {
943 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
944 size = USB_CMD_DATA_SIZE;
945 }
946 UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
947 PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
948 memcpy(c.d.asBytes, DemodBuffer, size);
949 clearCommandBuffer();
950 SendCommand(&c);
951 return 0;
952 }
953
954 int CmdLFSimBidir(const char *Cmd) {
955 // Set ADC to twice the carrier for a slight supersampling
956 // HACK: not implemented in ARMSRC.
957 PrintAndLog("Not implemented yet.");
958 UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
959 SendCommand(&c);
960 return 0;
961 }
962
963 int CmdVchDemod(const char *Cmd) {
964 // Is this the entire sync pattern, or does this also include some
965 // data bits that happen to be the same everywhere? That would be
966 // lovely to know.
967 static const int SyncPattern[] = {
968 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
969 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
970 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
971 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
972 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
973 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
974 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
975 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
976 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
977 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
978 };
979
980 // So first, we correlate for the sync pattern, and mark that.
981 int bestCorrel = 0, bestPos = 0;
982 int i, j, sum = 0;
983
984 // It does us no good to find the sync pattern, with fewer than 2048 samples after it.
985
986 for (i = 0; i < (GraphTraceLen - 2048); i++) {
987 for (j = 0; j < ARRAYLEN(SyncPattern); j++) {
988 sum += GraphBuffer[i+j] * SyncPattern[j];
989 }
990 if (sum > bestCorrel) {
991 bestCorrel = sum;
992 bestPos = i;
993 }
994 }
995 PrintAndLog("best sync at %d [metric %d]", bestPos, bestCorrel);
996
997 char bits[257];
998 bits[256] = '\0';
999
1000 int worst = INT_MAX, worstPos = 0;
1001
1002 for (i = 0; i < 2048; i += 8) {
1003 sum = 0;
1004 for (j = 0; j < 8; j++)
1005 sum += GraphBuffer[bestPos+i+j];
1006
1007 if (sum < 0)
1008 bits[i/8] = '.';
1009 else
1010 bits[i/8] = '1';
1011
1012 if(abs(sum) < worst) {
1013 worst = abs(sum);
1014 worstPos = i;
1015 }
1016 }
1017 PrintAndLog("bits:");
1018 PrintAndLog("%s", bits);
1019 PrintAndLog("worst metric: %d at pos %d", worst, worstPos);
1020
1021 // clone
1022 if (strcmp(Cmd, "clone")==0) {
1023 GraphTraceLen = 0;
1024 char *s;
1025 for(s = bits; *s; s++) {
1026 for(j = 0; j < 16; j++) {
1027 GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
1028 }
1029 }
1030 RepaintGraphWindow();
1031 }
1032 return 0;
1033 }
1034
1035
1036 //by marshmellow
1037 int CheckChipset(bool getDeviceData) {
1038
1039 if (!getDeviceData) return 0;
1040
1041 uint32_t word = 0;
1042 save_restoreGB(1);
1043
1044 //check for em4x05/em4x69 chips first
1045 if (EM4x05IsBlock0(&word)) {
1046 save_restoreGB(0);
1047 PrintAndLog("\nValid EM4x05/EM4x69 Chipset found\nTry `lf em 4x05` commands\n");
1048 return 1;
1049 }
1050
1051 //TODO check for t55xx chip...
1052 // if ( t55xxIsBlock0(() {
1053 // save_restoreGB(0);
1054 // PrintAndLog("\nValid T55xx Chipset found\nTry `lf t55xx` commands\n");
1055 // return 1;
1056 // }
1057
1058 save_restoreGB(0);
1059 return 0;
1060 }
1061
1062 //by marshmellow
1063 int CmdLFfind(const char *Cmd) {
1064 int ans = 0;
1065 size_t minLength = 1000;
1066 char cmdp = param_getchar(Cmd, 0);
1067 char testRaw = param_getchar(Cmd, 1);
1068 if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find();
1069
1070 bool getDeviceData = (!offline && (cmdp != '1') );
1071
1072 if (getDeviceData) {
1073 CmdLFRead("s");
1074 getSamples("30000", false);
1075 } else if (GraphTraceLen < minLength) {
1076 PrintAndLog("Data in Graphbuffer was too small.");
1077 return 0;
1078 }
1079 if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
1080
1081 PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
1082 PrintAndLog("False Positives ARE possible\n");
1083 PrintAndLog("\nChecking for known tags:\n");
1084
1085 size_t testLen = minLength;
1086
1087 // only run these tests if device is online
1088 if (getDeviceData) {
1089
1090 // only run if graphbuffer is just noise as it should be for hitag/cotag
1091 if (graphJustNoise(GraphBuffer, testLen)) {
1092
1093 if (CheckChipset(getDeviceData) )
1094 return 1;
1095
1096 ans=CmdLFHitagReader("26");
1097 if (ans==0)
1098 return 1;
1099
1100 ans=CmdCOTAGRead("");
1101 if (ans>0){
1102 PrintAndLog("\nValid COTAG ID Found!");
1103 return 1;
1104 }
1105 PrintAndLog("Signal looks just like noise. Quitting.");
1106 return 0;
1107 }
1108 }
1109
1110 // identify chipset
1111 CheckChipset(getDeviceData);
1112
1113 ans=CmdFSKdemodIO("");
1114 if (ans>0) {
1115 PrintAndLog("\nValid IO Prox ID Found!");
1116 return 1;
1117 }
1118 ans=CmdFSKdemodPyramid("");
1119 if (ans>0) {
1120 PrintAndLog("\nValid Pyramid ID Found!");
1121 return 1;
1122 }
1123 ans=CmdFSKdemodParadox("");
1124 if (ans>0) {
1125 PrintAndLog("\nValid Paradox ID Found!");
1126 return 1;
1127 }
1128 ans=CmdFSKdemodAWID("");
1129 if (ans>0) {
1130 PrintAndLog("\nValid AWID ID Found!");
1131 return 1;
1132 }
1133 ans=CmdFSKdemodHID("");
1134 if (ans>0) {
1135 PrintAndLog("\nValid HID Prox ID Found!");
1136 return 1;
1137 }
1138 ans=CmdAskEM410xDemod("");
1139 if (ans>0) {
1140 PrintAndLog("\nValid EM410x ID Found!");
1141 return 1;
1142 }
1143 ans=CmdG_Prox_II_Demod("");
1144 if (ans>0) {
1145 PrintAndLog("\nValid Guardall G-Prox II ID Found!");
1146 return 1;
1147 }
1148 ans=CmdFDXBdemodBI("");
1149 if (ans>0) {
1150 PrintAndLog("\nValid FDX-B ID Found!");
1151 return 1;
1152 }
1153 ans=EM4x50Read("", false);
1154 if (ans>0) {
1155 PrintAndLog("\nValid EM4x50 ID Found!");
1156 return 1;
1157 }
1158 ans=CmdVikingDemod("");
1159 if (ans>0) {
1160 PrintAndLog("\nValid Viking ID Found!");
1161 return 1;
1162 }
1163 ans=CmdIndalaDecode("");
1164 if (ans>0) {
1165 PrintAndLog("\nValid Indala ID Found!");
1166 return 1;
1167 }
1168 ans=CmdPSKNexWatch("");
1169 if (ans>0) {
1170 PrintAndLog("\nValid NexWatch ID Found!");
1171 return 1;
1172 }
1173 ans=CmdPSKIdteck("");
1174 if (ans>0) {
1175 PrintAndLog("\nValid Idteck ID Found!");
1176 return 1;
1177 }
1178 ans=CmdJablotronDemod("");
1179 if (ans>0) {
1180 PrintAndLog("\nValid Jablotron ID Found!");
1181 return 1;
1182 }
1183 ans=CmdLFNedapDemod("");
1184 if (ans>0) {
1185 PrintAndLog("\nValid NEDAP ID Found!");
1186 return 1;
1187 }
1188 ans=CmdVisa2kDemod("");
1189 if (ans>0) {
1190 PrintAndLog("\nValid Visa2000 ID Found!");
1191 return 1;
1192 }
1193 ans=CmdNoralsyDemod("");
1194 if (ans>0) {
1195 PrintAndLog("\nValid Noralsy ID Found!");
1196 return 1;
1197 }
1198 ans=CmdPrescoDemod("");
1199 if (ans>0) {
1200 PrintAndLog("\nValid Presco ID Found!");
1201 return 1;
1202 }
1203
1204 // TIdemod?
1205 PrintAndLog("\nNo Known Tags Found!\n");
1206 if (testRaw=='u' || testRaw=='U'){
1207 //test unknown tag formats (raw mode)
1208 PrintAndLog("\nChecking for Unknown tags:\n");
1209 ans=AutoCorrelate(4000, FALSE, FALSE);
1210
1211 if (ans > 0) {
1212
1213 PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
1214
1215 if ( ans % 8 == 0) {
1216 int bytes = (ans / 8);
1217 PrintAndLog("Possible %d bytes", bytes);
1218 int blocks = 0;
1219 if ( bytes % 2 == 0) {
1220 blocks = (bytes / 2);
1221 PrintAndLog("Possible 2 blocks, width %d", blocks);
1222 }
1223 if ( bytes % 4 == 0) {
1224 blocks = (bytes / 4);
1225 PrintAndLog("Possible 4 blocks, width %d", blocks);
1226 }
1227 if ( bytes % 8 == 0) {
1228 blocks = (bytes / 8);
1229 PrintAndLog("Possible 8 blocks, width %d", blocks);
1230 }
1231 if ( bytes % 16 == 0) {
1232 blocks = (bytes / 16);
1233 PrintAndLog("Possible 16 blocks, width %d", blocks);
1234 }
1235 }
1236 }
1237
1238 ans=GetFskClock("",FALSE,FALSE);
1239 if (ans != 0){ //fsk
1240 ans=FSKrawDemod("",TRUE);
1241 if (ans>0) {
1242 PrintAndLog("\nUnknown FSK Modulated Tag Found!");
1243 return 1;
1244 }
1245 }
1246 bool st = TRUE;
1247 ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
1248 if (ans>0) {
1249 PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
1250 PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
1251 return 1;
1252 }
1253
1254 ans=CmdPSK1rawDemod("");
1255 if (ans>0) {
1256 PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
1257 PrintAndLog("\nCould also be PSK3 - [currently not supported]");
1258 PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
1259 return 1;
1260 }
1261 PrintAndLog("\nNo Data Found!\n");
1262 }
1263 return 0;
1264 }
1265
1266 static command_t CommandTable[] = {
1267 {"help", CmdHelp, 1, "This help"},
1268 {"animal", CmdLFFdx, 1, "{ Animal RFIDs... }"},
1269 {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
1270 {"cotag", CmdLFCOTAG, 1, "{ COTAG RFIDs... }"},
1271 {"em", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
1272 {"guard", CmdLFGuard, 1, "{ Guardall RFIDs... }"},
1273 {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
1274 {"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"},
1275 // {"indala", CmdLFIndala, 1, "{ Indala RFIDs... }"},
1276 {"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
1277 {"jablotron", CmdLFJablotron, 1, "{ Jablotron RFIDs... }"},
1278 {"nedap", CmdLFNedap, 1, "{ Nedap RFIDs... }"},
1279 {"noralsy", CmdLFNoralsy, 1, "{ Noralsy RFIDs... }"},
1280 {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
1281 {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
1282 {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
1283 {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
1284 {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
1285 {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"},
1286 {"visa2000", CmdLFVisa2k, 1, "{ Visa2000 RFIDs... }"},
1287 {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
1288 {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"},
1289 {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
1290 {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
1291 {"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
1292 {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
1293 {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) \n\t\t-- 'u' to search for unknown tags"},
1294 {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
1295 {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'m'|'r'>] [msg separator 's'] [d <hexdata>] \n\t\t-- Simulate LF ASK tag from demodbuffer or input"},
1296 {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"},
1297 {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] \n\t\t-- Simulate LF PSK tag from demodbuffer or input"},
1298 {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
1299 {"snoop", CmdLFSnoop, 0, "Snoop LF"},
1300 {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
1301 {NULL, NULL, 0, NULL}
1302 };
1303
1304 int CmdLF(const char *Cmd) {
1305 clearCommandBuffer();
1306 CmdsParse(CommandTable, Cmd);
1307 return 0;
1308 }
1309
1310 int CmdHelp(const char *Cmd) {
1311 CmdsHelp(CommandTable);
1312 return 0;
1313 }
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