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ADD: Added the autodetection of Topaz to "HF SEARCH"
[proxmark3-svn] / client / cmdlf.c
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a553f267 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//-----------------------------------------------------------------------------
7fe9b0b7 10#include "cmdlf.h"
7fe9b0b7 11static int CmdHelp(const char *Cmd);
12
f82894ba 13int usage_lf_cmdread(void) {
9276e859 14 PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H]");
0de8e387 15 PrintAndLog("Options: ");
16 PrintAndLog(" h This help");
05164399 17 PrintAndLog(" L Low frequency (125 KHz)");
18 PrintAndLog(" H High frequency (134 KHz)");
9276e859 19 PrintAndLog(" d <delay> delay OFF period, (dec)");
20 PrintAndLog(" z <zero> time period ZERO, (dec)");
21 PrintAndLog(" o <one> time period ONE, (dec)");
22 PrintAndLog(" c <cmd> Command bytes");
23 PrintAndLog(" ************* All periods in microseconds (ms)");
0de8e387 24 PrintAndLog("Examples:");
9276e859 25 PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000");
26 PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000 H");
0de8e387 27 return 0;
28}
f82894ba 29int usage_lf_read(void){
30 PrintAndLog("Usage: lf read [h] [s]");
31 PrintAndLog("Options: ");
32 PrintAndLog(" h This help");
33 PrintAndLog(" s silent run no printout");
34 PrintAndLog("This function takes no arguments. ");
35 PrintAndLog("Use 'lf config' to set parameters.");
36 return 0;
37}
38int usage_lf_snoop(void) {
39 PrintAndLog("Usage: lf snoop");
40 PrintAndLog("Options: ");
41 PrintAndLog(" h This help");
42 PrintAndLog("This function takes no arguments. ");
43 PrintAndLog("Use 'lf config' to set parameters.");
44 return 0;
45}
46int usage_lf_config(void) {
47 PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
48 PrintAndLog("Options: ");
49 PrintAndLog(" h This help");
50 PrintAndLog(" L Low frequency (125 KHz)");
51 PrintAndLog(" H High frequency (134 KHz)");
52 PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
53 PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
54 PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
55 PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
56 PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
57 PrintAndLog("Examples:");
58 PrintAndLog(" lf config b 8 L");
59 PrintAndLog(" Samples at 125KHz, 8bps.");
60 PrintAndLog(" lf config H b 4 d 3");
61 PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
62 PrintAndLog(" a resolution of 4 bits per sample.");
63 PrintAndLog(" lf read");
64 PrintAndLog(" Performs a read (active field)");
65 PrintAndLog(" lf snoop");
66 PrintAndLog(" Performs a snoop (no active field)");
67 return 0;
68}
69int usage_lf_simfsk(void) {
5cc88edf 70 PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
71 PrintAndLog("Options: ");
72 PrintAndLog(" h This help");
73 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
74 PrintAndLog(" i invert data");
75 PrintAndLog(" H <fcHigh> Manually set the larger Field Clock");
76 PrintAndLog(" L <fcLow> Manually set the smaller Field Clock");
77 //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
78 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
79 PrintAndLog("\n NOTE: if you set one clock manually set them all manually");
80 return 0;
f82894ba 81}
82int usage_lf_simask(void) {
5cc88edf 83 PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
84 PrintAndLog("Options: ");
85 PrintAndLog(" h This help");
86 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
87 PrintAndLog(" i invert data");
88 PrintAndLog(" b sim ask/biphase");
89 PrintAndLog(" m sim ask/manchester - Default");
90 PrintAndLog(" r sim ask/raw");
91 PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
92 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
93 return 0;
f82894ba 94}
95int usage_lf_simpsk(void) {
5cc88edf 96 PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
97 PrintAndLog("Options: ");
98 PrintAndLog(" h This help");
99 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
100 PrintAndLog(" i invert data");
101 PrintAndLog(" 1 set PSK1 (default)");
102 PrintAndLog(" 2 set PSK2");
103 PrintAndLog(" 3 set PSK3");
104 PrintAndLog(" r <carrier> 2|4|8 are valid carriers: default = 2");
105 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
106 return 0;
f82894ba 107}
70459879 108int usage_lf_find(void){
109 PrintAndLog("Usage: lf search <0|1> [u]");
110 PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
111 PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
112 PrintAndLog("");
113 PrintAndLog(" sample: lf search = try reading data from tag & search for known tags");
114 PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
115 PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
116 PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
117 return 0;
118}
119
0de8e387 120
a739812e 121/* send a LF command before reading */
7fe9b0b7 122int CmdLFCommandRead(const char *Cmd)
123{
0de8e387 124 static char dummy[3] = {0x20,0x00,0x00};
9276e859 125 UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
0de8e387 126 bool errors = FALSE;
9276e859 127
128 uint8_t cmdp = 0;
129 int strLength = 0;
130
131 while(param_getchar(Cmd, cmdp) != 0x00) {
0de8e387 132 switch(param_getchar(Cmd, cmdp))
133 {
134 case 'h':
135 return usage_lf_cmdread();
136 case 'H':
9276e859 137 dummy[1]='h';
0de8e387 138 cmdp++;
139 break;
9276e859 140 case 'L':
141 cmdp++;
142 break;
143 case 'c':
144 strLength = param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
145 cmdp+=2;
146 break;
147 case 'd':
148 c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
149 cmdp+=2;
150 break;
151 case 'z':
152 c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10);
153 cmdp+=2;
154 break;
155 case 'o':
156 c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10);
0de8e387 157 cmdp+=2;
158 break;
159 default:
160 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
161 errors = 1;
162 break;
163 }
164 if(errors) break;
165 }
166 // No args
9276e859 167 if (cmdp == 0) errors = 1;
7fe9b0b7 168
0de8e387 169 //Validations
9276e859 170 if (errors) return usage_lf_cmdread();
e98572a1 171
9276e859 172 // in case they specified 'H'
9276e859 173 strcpy((char *)&c.d.asBytes + strLength, dummy);
7fe9b0b7 174
0de8e387 175 clearCommandBuffer();
176 SendCommand(&c);
177 return 0;
7fe9b0b7 178}
179
180int CmdFlexdemod(const char *Cmd)
181{
182 int i;
183 for (i = 0; i < GraphTraceLen; ++i) {
184 if (GraphBuffer[i] < 0) {
185 GraphBuffer[i] = -1;
186 } else {
187 GraphBuffer[i] = 1;
188 }
189 }
190
191#define LONG_WAIT 100
192 int start;
193 for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
194 int first = GraphBuffer[start];
195 for (i = start; i < start + LONG_WAIT; i++) {
196 if (GraphBuffer[i] != first) {
197 break;
198 }
199 }
200 if (i == (start + LONG_WAIT)) {
201 break;
202 }
203 }
204 if (start == GraphTraceLen - LONG_WAIT) {
205 PrintAndLog("nothing to wait for");
206 return 0;
207 }
208
209 GraphBuffer[start] = 2;
210 GraphBuffer[start+1] = -2;
3fe4ff4f 211 uint8_t bits[64] = {0x00};
7fe9b0b7 212
3fe4ff4f 213 int bit, sum;
7fe9b0b7 214 i = start;
215 for (bit = 0; bit < 64; bit++) {
3fe4ff4f 216 sum = 0;
217 for (int j = 0; j < 16; j++) {
7fe9b0b7 218 sum += GraphBuffer[i++];
219 }
3fe4ff4f 220
221 bits[bit] = (sum > 0) ? 1 : 0;
222
7fe9b0b7 223 PrintAndLog("bit %d sum %d", bit, sum);
224 }
225
226 for (bit = 0; bit < 64; bit++) {
227 int j;
228 int sum = 0;
229 for (j = 0; j < 16; j++) {
230 sum += GraphBuffer[i++];
231 }
232 if (sum > 0 && bits[bit] != 1) {
233 PrintAndLog("oops1 at %d", bit);
234 }
235 if (sum < 0 && bits[bit] != 0) {
236 PrintAndLog("oops2 at %d", bit);
237 }
238 }
239
3fe4ff4f 240 // HACK writing back to graphbuffer.
7fe9b0b7 241 GraphTraceLen = 32*64;
242 i = 0;
243 int phase = 0;
244 for (bit = 0; bit < 64; bit++) {
3fe4ff4f 245
246 phase = (bits[bit] == 0) ? 0 : 1;
247
7fe9b0b7 248 int j;
249 for (j = 0; j < 32; j++) {
250 GraphBuffer[i++] = phase;
251 phase = !phase;
252 }
253 }
254
255 RepaintGraphWindow();
256 return 0;
257}
a1f3bb12 258
7fe9b0b7 259int CmdIndalaDemod(const char *Cmd)
260{
70459879 261 // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
262
263 int state = -1;
264 int count = 0;
265 int i, j;
266
267 // worst case with GraphTraceLen=64000 is < 4096
268 // under normal conditions it's < 2048
269
270 uint8_t rawbits[4096];
271 int rawbit = 0;
272 int worst = 0, worstPos = 0;
273 // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
6426f6ba 274
275 // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2)
70459879 276 for (i = 0; i < GraphTraceLen-1; i += 2) {
277 count += 1;
278 if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
6426f6ba 279 // appears redundant - marshmellow
70459879 280 if (state == 0) {
281 for (j = 0; j < count - 8; j += 16) {
282 rawbits[rawbit++] = 0;
283 }
284 if ((abs(count - j)) > worst) {
285 worst = abs(count - j);
286 worstPos = i;
287 }
288 }
289 state = 1;
290 count = 0;
291 } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
6426f6ba 292 //appears redundant
70459879 293 if (state == 1) {
294 for (j = 0; j < count - 8; j += 16) {
295 rawbits[rawbit++] = 1;
296 }
297 if ((abs(count - j)) > worst) {
298 worst = abs(count - j);
299 worstPos = i;
300 }
301 }
302 state = 0;
303 count = 0;
304 }
305 }
306
307 if ( rawbit>0 ){
308 PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
309 PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
3fe4ff4f 310 } else {
311 return 0;
312 }
313
70459879 314 // Finding the start of a UID
315 int uidlen, long_wait;
316 if (strcmp(Cmd, "224") == 0) {
317 uidlen = 224;
318 long_wait = 30;
319 } else {
320 uidlen = 64;
321 long_wait = 29;
322 }
3fe4ff4f 323
70459879 324 int start;
325 int first = 0;
326 for (start = 0; start <= rawbit - uidlen; start++) {
327 first = rawbits[start];
328 for (i = start; i < start + long_wait; i++) {
329 if (rawbits[i] != first) {
330 break;
331 }
332 }
333 if (i == (start + long_wait)) {
334 break;
335 }
336 }
3fe4ff4f 337
70459879 338 if (start == rawbit - uidlen + 1) {
339 PrintAndLog("nothing to wait for");
340 return 0;
341 }
7fe9b0b7 342
70459879 343 // Inverting signal if needed
344 if (first == 1) {
345 for (i = start; i < rawbit; i++) {
346 rawbits[i] = !rawbits[i];
347 }
348 }
7fe9b0b7 349
70459879 350 // Dumping UID
3fe4ff4f 351 uint8_t bits[224] = {0x00};
352 char showbits[225] = {0x00};
70459879 353 int bit;
354 i = start;
355 int times = 0;
3fe4ff4f 356
70459879 357 if (uidlen > rawbit) {
358 PrintAndLog("Warning: not enough raw bits to get a full UID");
359 for (bit = 0; bit < rawbit; bit++) {
360 bits[bit] = rawbits[i++];
361 // As we cannot know the parity, let's use "." and "/"
362 showbits[bit] = '.' + bits[bit];
363 }
364 showbits[bit+1]='\0';
365 PrintAndLog("Partial UID=%s", showbits);
366 return 0;
367 } else {
368 for (bit = 0; bit < uidlen; bit++) {
369 bits[bit] = rawbits[i++];
370 showbits[bit] = '0' + bits[bit];
371 }
372 times = 1;
373 }
2414f978 374
70459879 375 //convert UID to HEX
376 uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
377 int idx;
3fe4ff4f 378 uid1 = uid2 = 0;
379
70459879 380 if (uidlen==64){
381 for( idx=0; idx<64; idx++) {
382 if (showbits[idx] == '0') {
383 uid1 = (uid1<<1) | (uid2>>31);
384 uid2 = (uid2<<1) | 0;
385 } else {
386 uid1 = (uid1<<1) | (uid2>>31);
387 uid2 = (uid2<<1) | 1;
388 }
389 }
390 PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
391 } else {
3fe4ff4f 392 uid3 = uid4 = uid5 = uid6 = uid7 = 0;
393
70459879 394 for( idx=0; idx<224; idx++) {
395 uid1 = (uid1<<1) | (uid2>>31);
396 uid2 = (uid2<<1) | (uid3>>31);
397 uid3 = (uid3<<1) | (uid4>>31);
398 uid4 = (uid4<<1) | (uid5>>31);
399 uid5 = (uid5<<1) | (uid6>>31);
400 uid6 = (uid6<<1) | (uid7>>31);
401
3fe4ff4f 402 if (showbits[idx] == '0')
403 uid7 = (uid7<<1) | 0;
404 else
405 uid7 = (uid7<<1) | 1;
70459879 406 }
407 PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
408 }
7fe9b0b7 409
70459879 410 // Checking UID against next occurrences
411 int failed = 0;
3fe4ff4f 412 for (; i + uidlen <= rawbit;) {
413 failed = 0;
70459879 414 for (bit = 0; bit < uidlen; bit++) {
415 if (bits[bit] != rawbits[i++]) {
416 failed = 1;
417 break;
418 }
419 }
420 if (failed == 1) {
421 break;
422 }
423 times += 1;
424 }
3fe4ff4f 425
70459879 426 PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
7fe9b0b7 427
70459879 428 // Remodulating for tag cloning
3fe4ff4f 429 // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod)
430 // since this changes graphbuffer data.
70459879 431 GraphTraceLen = 32 * uidlen;
432 i = 0;
433 int phase = 0;
434 for (bit = 0; bit < uidlen; bit++) {
435 phase = (bits[bit] == 0) ? 0 : 1;
436 int j;
437 for (j = 0; j < 32; j++) {
438 GraphBuffer[i++] = phase;
439 phase = !phase;
440 }
441 }
7fe9b0b7 442
70459879 443 RepaintGraphWindow();
444 return 1;
7fe9b0b7 445}
446
2414f978 447int CmdIndalaClone(const char *Cmd)
448{
2414f978 449 UsbCommand c;
3fe4ff4f 450 unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
451
452 uid1 = uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;
2414f978 453 int n = 0, i = 0;
454
455 if (strchr(Cmd,'l') != 0) {
456 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
457 uid1 = (uid1 << 4) | (uid2 >> 28);
458 uid2 = (uid2 << 4) | (uid3 >> 28);
459 uid3 = (uid3 << 4) | (uid4 >> 28);
460 uid4 = (uid4 << 4) | (uid5 >> 28);
461 uid5 = (uid5 << 4) | (uid6 >> 28);
462 uid6 = (uid6 << 4) | (uid7 >> 28);
463 uid7 = (uid7 << 4) | (n & 0xf);
464 }
465 PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
466 c.cmd = CMD_INDALA_CLONE_TAG_L;
467 c.d.asDwords[0] = uid1;
468 c.d.asDwords[1] = uid2;
469 c.d.asDwords[2] = uid3;
470 c.d.asDwords[3] = uid4;
471 c.d.asDwords[4] = uid5;
472 c.d.asDwords[5] = uid6;
473 c.d.asDwords[6] = uid7;
3fe4ff4f 474 } else {
2414f978 475 while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
476 uid1 = (uid1 << 4) | (uid2 >> 28);
477 uid2 = (uid2 << 4) | (n & 0xf);
478 }
479 PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
480 c.cmd = CMD_INDALA_CLONE_TAG;
481 c.arg[0] = uid1;
482 c.arg[1] = uid2;
483 }
484
a126332a 485 clearCommandBuffer();
2414f978 486 SendCommand(&c);
487 return 0;
488}
489
31abe49f 490int CmdLFSetConfig(const char *Cmd)
7fe9b0b7 491{
31abe49f
MHS		 492 uint8_t divisor = 0;//Frequency divisor
493 uint8_t bps = 0; // Bits per sample
494 uint8_t decimation = 0; //How many to keep
495 bool averaging = 1; // Defaults to true
f6d9fb17 496 bool errors = FALSE;
5cc88edf 497 int trigger_threshold = -1;//Means no change
31abe49f 498 uint8_t unsigned_trigg = 0;
f6d9fb17 499
5cc88edf 500 uint8_t cmdp = 0;
31abe49f 501 while(param_getchar(Cmd, cmdp) != 0x00)
f6d9fb17 502 {
31abe49f
MHS		 503 switch(param_getchar(Cmd, cmdp))
504 {
505 case 'h':
506 return usage_lf_config();
507 case 'H':
508 divisor = 88;
509 cmdp++;
510 break;
511 case 'L':
512 divisor = 95;
513 cmdp++;
514 break;
515 case 'q':
516 errors |= param_getdec(Cmd,cmdp+1,&divisor);
517 cmdp+=2;
518 break;
519 case 't':
520 errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
521 cmdp+=2;
522 if(!errors) trigger_threshold = unsigned_trigg;
523 break;
524 case 'b':
525 errors |= param_getdec(Cmd,cmdp+1,&bps);
526 cmdp+=2;
527 break;
528 case 'd':
529 errors |= param_getdec(Cmd,cmdp+1,&decimation);
530 cmdp+=2;
531 break;
532 case 'a':
533 averaging = param_getchar(Cmd,cmdp+1) == '1';
534 cmdp+=2;
535 break;
536 default:
537 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
538 errors = 1;
539 break;
540 }
541 if(errors) break;
f6d9fb17 542 }
5cc88edf 543
544 // No args
545 if (cmdp == 0) errors = 1;
31abe49f 546
f6d9fb17 547 //Validations
5cc88edf 548 if (errors) return usage_lf_config();
549
f6d9fb17 550 //Bps is limited to 8, so fits in lower half of arg1
5cc88edf 551 if (bps >> 4) bps = 8;
552
553 sample_config config = { decimation, bps, averaging, divisor, trigger_threshold };
f6d9fb17 554
31abe49f
MHS		 555 //Averaging is a flag on high-bit of arg[1]
556 UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
557 memcpy(c.d.asBytes,&config,sizeof(sample_config));
a126332a 558 clearCommandBuffer();
31abe49f
MHS		 559 SendCommand(&c);
560 return 0;
561}
f6d9fb17 562
7fe9b0b7 563int CmdLFRead(const char *Cmd)
564{
1fbf8956 565 bool arg1 = false;
f82894ba 566 uint8_t cmdp = param_getchar(Cmd, 0);
567
568 if ( cmdp == 'h' || cmdp == 'H') return usage_lf_read();
569
570 //suppress print
571 if ( cmdp == 's' || cmdp == 'S') arg1 = true;
572
1fbf8956 573 UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
f82894ba 574 clearCommandBuffer();
31abe49f 575 SendCommand(&c);
68008fb5 576 if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
577 PrintAndLog("command execution time out");
578 return 1;
579 }
31abe49f
MHS		 580 return 0;
581}
f6d9fb17 582
31abe49f
MHS		 583int CmdLFSnoop(const char *Cmd)
584{
f82894ba 585 uint8_t cmdp = param_getchar(Cmd, 0);
586 if(cmdp == 'h' || cmdp == 'H') return usage_lf_snoop();
587
31abe49f 588 UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
f82894ba 589 clearCommandBuffer();
f6d9fb17
MHS		 590 SendCommand(&c);
591 WaitForResponse(CMD_ACK,NULL);
592 return 0;
7fe9b0b7 593}
594
595static void ChkBitstream(const char *str)
596{
597 int i;
78f5b1a7 598
7fe9b0b7 599 /* convert to bitstream if necessary */
b915fda3 600 for (i = 0; i < (int)(GraphTraceLen / 2); i++){
601 if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
78f5b1a7 602 CmdGetBitStream("");
7fe9b0b7 603 break;
604 }
605 }
606}
2767fc02 607//Attempt to simulate any wave in buffer (one bit per output sample)
608// converts GraphBuffer to bitstream (based on zero crossings) if needed.
7fe9b0b7 609int CmdLFSim(const char *Cmd)
610{
f82894ba 611 int i,j;
612 static int gap;
7fe9b0b7 613
f82894ba 614 sscanf(Cmd, "%i", &gap);
7fe9b0b7 615
2767fc02 616 // convert to bitstream if necessary
f82894ba 617 ChkBitstream(Cmd);
7fe9b0b7 618
2767fc02 619 //can send only 512 bits at a time (1 byte sent per bit...)
f82894ba 620 printf("Sending [%d bytes]", GraphTraceLen);
621 for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
622 UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
7fe9b0b7 623
f82894ba 624 for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
625 c.d.asBytes[j] = GraphBuffer[i+j];
626 }
627 clearCommandBuffer();
628 SendCommand(&c);
629 WaitForResponse(CMD_ACK,NULL);
630 printf(".");
631 }
abd6112f 632
f82894ba 633 PrintAndLog("\nStarting to simulate");
634 UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
635 clearCommandBuffer();
636 SendCommand(&c);
637 return 0;
872e3d4d 638}
712ebfa6 639
abd6112f 640// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert
641// - allow pull data from DemodBuffer
642int CmdLFfskSim(const char *Cmd)
643{
2767fc02 644 //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
645 // otherwise will need FChigh, FClow, Clock, and bitstream
abd6112f 646 uint8_t fcHigh=0, fcLow=0, clk=0;
647 uint8_t invert=0;
648 bool errors = FALSE;
649 char hexData[32] = {0x00}; // store entered hex data
650 uint8_t data[255] = {0x00};
651 int dataLen = 0;
652 uint8_t cmdp = 0;
653 while(param_getchar(Cmd, cmdp) != 0x00)
654 {
655 switch(param_getchar(Cmd, cmdp))
656 {
657 case 'h':
658 return usage_lf_simfsk();
659 case 'i':
660 invert = 1;
661 cmdp++;
662 break;
663 case 'c':
664 errors |= param_getdec(Cmd,cmdp+1,&clk);
665 cmdp+=2;
666 break;
667 case 'H':
668 errors |= param_getdec(Cmd,cmdp+1,&fcHigh);
669 cmdp+=2;
670 break;
671 case 'L':
672 errors |= param_getdec(Cmd,cmdp+1,&fcLow);
673 cmdp+=2;
674 break;
675 //case 's':
676 // separator=1;
677 // cmdp++;
678 // break;
679 case 'd':
680 dataLen = param_getstr(Cmd, cmdp+1, hexData);
681 if (dataLen==0) {
682 errors=TRUE;
683 } else {
684 dataLen = hextobinarray((char *)data, hexData);
872e3d4d 685 }
686 if (dataLen==0) errors=TRUE;
abd6112f 687 if (errors) PrintAndLog ("Error getting hex data");
688 cmdp+=2;
689 break;
690 default:
691 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
692 errors = TRUE;
693 break;
694 }
695 if(errors) break;
696 }
697 if(cmdp == 0 && DemodBufferLen == 0)
698 {
699 errors = TRUE;// No args
700 }
701
702 //Validations
703 if(errors)
704 {
705 return usage_lf_simfsk();
706 }
872e3d4d 707
708 if (dataLen == 0){ //using DemodBuffer
709 if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
abd6112f 710 uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0);
711 if (ans==0){
872e3d4d 712 if (!fcHigh) fcHigh=10;
713 if (!fcLow) fcLow=8;
714 if (!clk) clk=50;
abd6112f 715 }
716 }
717 } else {
718 setDemodBuf(data, dataLen, 0);
719 }
2767fc02 720
721 //default if not found
abd6112f 722 if (clk == 0) clk = 50;
723 if (fcHigh == 0) fcHigh = 10;
724 if (fcLow == 0) fcLow = 8;
725
726 uint16_t arg1, arg2;
727 arg1 = fcHigh << 8 | fcLow;
728 arg2 = invert << 8 | clk;
5658e82e 729 size_t size = DemodBufferLen;
730 if (size > USB_CMD_DATA_SIZE) {
731 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
732 size = USB_CMD_DATA_SIZE;
733 }
734 UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
735
736 memcpy(c.d.asBytes, DemodBuffer, size);
a126332a 737 clearCommandBuffer();
abd6112f 738 SendCommand(&c);
739 return 0;
740}
741
742// by marshmellow - sim ask data given clock, invert, manchester or raw, separator
743// - allow pull data from DemodBuffer
744int CmdLFaskSim(const char *Cmd)
745{
07291f87 746 //autodetect clock from Graphbuffer if using demod buffer
2767fc02 747 // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
07291f87 748 uint8_t encoding = 1, separator = 0, clk=0, invert=0;
749 bool errors = FALSE;
750 char hexData[32] = {0x00};
751 uint8_t data[255]= {0x00}; // store entered hex data
752 int dataLen = 0;
753 uint8_t cmdp = 0;
754
755 while(param_getchar(Cmd, cmdp) != 0x00) {
756 switch(param_getchar(Cmd, cmdp)) {
757 case 'h': return usage_lf_simask();
758 case 'i':
759 invert = 1;
760 cmdp++;
761 break;
762 case 'c':
763 errors |= param_getdec(Cmd,cmdp+1,&clk);
764 cmdp+=2;
765 break;
766 case 'b':
767 encoding=2; //biphase
768 cmdp++;
769 break;
770 case 'm':
771 encoding=1;
772 cmdp++;
773 break;
774 case 'r':
775 encoding=0;
776 cmdp++;
777 break;
778 case 's':
779 separator=1;
780 cmdp++;
781 break;
782 case 'd':
783 dataLen = param_getstr(Cmd, cmdp+1, hexData);
784 if (dataLen==0)
785 errors = TRUE;
786 else
787 dataLen = hextobinarray((char *)data, hexData);
788
789 if (dataLen==0) errors = TRUE;
790 if (errors) PrintAndLog ("Error getting hex data, datalen: %d", dataLen);
791 cmdp+=2;
792 break;
793 default:
794 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
795 errors = TRUE;
796 break;
797 }
798 if(errors) break;
799 }
800
801 if(cmdp == 0 && DemodBufferLen == 0)
802 errors = TRUE;// No args
abd6112f 803
07291f87 804 //Validations
805 if(errors) return usage_lf_simask();
806
807 if (dataLen == 0){ //using DemodBuffer
808 if (clk == 0)
809 clk = GetAskClock("0", false, false);
810 } else {
811 setDemodBuf(data, dataLen, 0);
812 }
813 if (clk == 0) clk = 64;
814 if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
815
816 size_t size = DemodBufferLen;
817
818 if (size > USB_CMD_DATA_SIZE) {
819 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
820 size = USB_CMD_DATA_SIZE;
821 }
822
823 PrintAndLog("preparing to sim ask data: %d bits", size);
824
825 uint16_t arg1, arg2;
826 arg1 = clk << 8 | encoding;
827 arg2 = invert << 8 | separator;
828
829 UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
830 memcpy(c.d.asBytes, DemodBuffer, size);
a126332a 831 clearCommandBuffer();
07291f87 832 SendCommand(&c);
833 return 0;
abd6112f 834}
835
872e3d4d 836// by marshmellow - sim psk data given carrier, clock, invert
837// - allow pull data from DemodBuffer or parameters
838int CmdLFpskSim(const char *Cmd)
839{
840 //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
841 //will need carrier, Clock, and bitstream
842 uint8_t carrier=0, clk=0;
843 uint8_t invert=0;
844 bool errors = FALSE;
845 char hexData[32] = {0x00}; // store entered hex data
846 uint8_t data[255] = {0x00};
847 int dataLen = 0;
848 uint8_t cmdp = 0;
849 uint8_t pskType = 1;
850 while(param_getchar(Cmd, cmdp) != 0x00)
851 {
852 switch(param_getchar(Cmd, cmdp))
853 {
854 case 'h':
855 return usage_lf_simpsk();
856 case 'i':
857 invert = 1;
858 cmdp++;
859 break;
860 case 'c':
861 errors |= param_getdec(Cmd,cmdp+1,&clk);
862 cmdp+=2;
863 break;
864 case 'r':
865 errors |= param_getdec(Cmd,cmdp+1,&carrier);
866 cmdp+=2;
867 break;
868 case '1':
869 pskType=1;
870 cmdp++;
871 break;
872 case '2':
873 pskType=2;
874 cmdp++;
875 break;
876 case '3':
877 pskType=3;
878 cmdp++;
879 break;
880 case 'd':
881 dataLen = param_getstr(Cmd, cmdp+1, hexData);
882 if (dataLen==0) {
883 errors=TRUE;
884 } else {
885 dataLen = hextobinarray((char *)data, hexData);
886 }
887 if (dataLen==0) errors=TRUE;
888 if (errors) PrintAndLog ("Error getting hex data");
889 cmdp+=2;
890 break;
891 default:
892 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
893 errors = TRUE;
894 break;
895 }
896 if (errors) break;
897 }
898 if (cmdp == 0 && DemodBufferLen == 0)
899 {
900 errors = TRUE;// No args
901 }
902
903 //Validations
904 if (errors)
905 {
906 return usage_lf_simpsk();
907 }
908 if (dataLen == 0){ //using DemodBuffer
8d960002 909 PrintAndLog("Getting Clocks");
910 if (clk==0) clk = GetPskClock("", FALSE, FALSE);
911 PrintAndLog("clk: %d",clk);
912 if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE);
913 PrintAndLog("carrier: %d", carrier);
872e3d4d 914 } else {
915 setDemodBuf(data, dataLen, 0);
916 }
8d960002 917
872e3d4d 918 if (clk <= 0) clk = 32;
919 if (carrier == 0) carrier = 2;
3bc66a96 920 if (pskType != 1){
921 if (pskType == 2){
922 //need to convert psk2 to psk1 data before sim
923 psk2TOpsk1(DemodBuffer, DemodBufferLen);
924 } else {
925 PrintAndLog("Sorry, PSK3 not yet available");
926 }
927 }
872e3d4d 928 uint16_t arg1, arg2;
929 arg1 = clk << 8 | carrier;
930 arg2 = invert;
5658e82e 931 size_t size=DemodBufferLen;
932 if (size > USB_CMD_DATA_SIZE) {
933 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
934 size=USB_CMD_DATA_SIZE;
872e3d4d 935 }
5658e82e 936 UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
937 PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
938 memcpy(c.d.asBytes, DemodBuffer, size);
a126332a 939 clearCommandBuffer();
872e3d4d 940 SendCommand(&c);
78f5b1a7 941
872e3d4d 942 return 0;
943}
abd6112f 944
7fe9b0b7 945int CmdLFSimBidir(const char *Cmd)
946{
3fe4ff4f 947 // Set ADC to twice the carrier for a slight supersampling
948 // HACK: not implemented in ARMSRC.
949 PrintAndLog("Not implemented yet.");
7fe9b0b7 950 UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
951 SendCommand(&c);
952 return 0;
953}
954
7fe9b0b7 955int CmdVchDemod(const char *Cmd)
956{
957 // Is this the entire sync pattern, or does this also include some
958 // data bits that happen to be the same everywhere? That would be
959 // lovely to know.
960 static const int SyncPattern[] = {
961 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
962 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
963 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
964 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
965 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
966 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
967 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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 };
972
973 // So first, we correlate for the sync pattern, and mark that.
974 int bestCorrel = 0, bestPos = 0;
975 int i;
976 // It does us no good to find the sync pattern, with fewer than
977 // 2048 samples after it...
978 for (i = 0; i < (GraphTraceLen-2048); i++) {
979 int sum = 0;
980 int j;
981 for (j = 0; j < arraylen(SyncPattern); j++) {
982 sum += GraphBuffer[i+j]*SyncPattern[j];
983 }
984 if (sum > bestCorrel) {
985 bestCorrel = sum;
986 bestPos = i;
987 }
988 }
989 PrintAndLog("best sync at %d [metric %d]", bestPos, bestCorrel);
990
991 char bits[257];
992 bits[256] = '\0';
993
994 int worst = INT_MAX;
fddf220a 995 int worstPos = 0;
7fe9b0b7 996
997 for (i = 0; i < 2048; i += 8) {
998 int sum = 0;
999 int j;
1000 for (j = 0; j < 8; j++) {
1001 sum += GraphBuffer[bestPos+i+j];
1002 }
1003 if (sum < 0) {
1004 bits[i/8] = '.';
1005 } else {
1006 bits[i/8] = '1';
1007 }
1008 if(abs(sum) < worst) {
1009 worst = abs(sum);
1010 worstPos = i;
1011 }
1012 }
1013 PrintAndLog("bits:");
1014 PrintAndLog("%s", bits);
1015 PrintAndLog("worst metric: %d at pos %d", worst, worstPos);
1016
1017 if (strcmp(Cmd, "clone")==0) {
1018 GraphTraceLen = 0;
1019 char *s;
1020 for(s = bits; *s; s++) {
1021 int j;
1022 for(j = 0; j < 16; j++) {
1023 GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
1024 }
1025 }
1026 RepaintGraphWindow();
1027 }
1028 return 0;
1029}
1030
d5a72d2f 1031//by marshmellow
e9a92fe2 1032int CmdLFfind(const char *Cmd) {
1033 int ans = 0;
1034 char cmdp = param_getchar(Cmd, 0);
1035 char testRaw = param_getchar(Cmd, 1);
1036 if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find();
1037
1038 if (!offline && (cmdp != '1')){
1039 CmdLFRead("s");
1040 getSamples("30000",false);
1041 } else if (GraphTraceLen < 1000) {
1042 PrintAndLog("Data in Graphbuffer was too small.");
1043 return 0;
1044 }
1045 if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
13d77ef9 1046
e9a92fe2 1047 PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
1048 PrintAndLog("False Positives ARE possible\n");
1049 PrintAndLog("\nChecking for known tags:\n");
13d77ef9 1050
e9a92fe2 1051 ans=CmdFSKdemodIO("");
1052 if (ans>0) {
1053 PrintAndLog("\nValid IO Prox ID Found!");
1054 return 1;
1055 }
13d77ef9 1056
e9a92fe2 1057 ans=CmdFSKdemodPyramid("");
1058 if (ans>0) {
1059 PrintAndLog("\nValid Pyramid ID Found!");
1060 return 1;
1061 }
13d77ef9 1062
e9a92fe2 1063 ans=CmdFSKdemodParadox("");
1064 if (ans>0) {
1065 PrintAndLog("\nValid Paradox ID Found!");
1066 return 1;
1067 }
13d77ef9 1068
e9a92fe2 1069 ans=CmdFSKdemodAWID("");
1070 if (ans>0) {
1071 PrintAndLog("\nValid AWID ID Found!");
1072 return 1;
1073 }
13d77ef9 1074
e9a92fe2 1075 ans=CmdFSKdemodHID("");
1076 if (ans>0) {
1077 PrintAndLog("\nValid HID Prox ID Found!");
1078 return 1;
1079 }
13d77ef9 1080
e9a92fe2 1081 ans=CmdAskEM410xDemod("");
1082 if (ans>0) {
1083 PrintAndLog("\nValid EM410x ID Found!");
1084 return 1;
1085 }
13d77ef9 1086
e9a92fe2 1087 ans=CmdG_Prox_II_Demod("");
1088 if (ans>0) {
1089 PrintAndLog("\nValid Guardall G-Prox II ID Found!");
1090 return 1;
1091 }
13d77ef9 1092
ad6219fc 1093 ans=CmdFDXBdemodBI("");
1094 if (ans>0) {
1095 PrintAndLog("\nValid FDX-B ID Found!");
1096 return 1;
1097 }
1098
23f0a7d8 1099 ans=EM4x50Read("", false);
1100 if (ans>0) {
1101 PrintAndLog("\nValid EM4x50 ID Found!");
1102 return 1;
1103 }
411105e0 1104
70459879 1105 ans=CmdVikingDemod("");
1106 if (ans>0) {
1107 PrintAndLog("\nValid Viking ID Found!");
1108 return 1;
1109 }
1110
6426f6ba 1111 ans=CmdIndalaDecode("");
1112 if (ans>0) {
1113 PrintAndLog("\nValid Indala ID Found!");
1114 return 1;
1115 }
1116
411105e0 1117 ans=CmdPSKNexWatch("");
1118 if (ans>0) {
1119 PrintAndLog("\nValid NexWatch ID Found!");
1120 return 1;
1121 }
e9a92fe2 1122 // TIdemod?
1123
411105e0 1124
e9a92fe2 1125 PrintAndLog("\nNo Known Tags Found!\n");
1126 if (testRaw=='u' || testRaw=='U'){
1127 //test unknown tag formats (raw mode)
1128 PrintAndLog("\nChecking for Unknown tags:\n");
1129 ans=AutoCorrelate(4000, FALSE, FALSE);
251d07db 1130
e9a92fe2 1131 if (ans > 0) {
251d07db 1132
e9a92fe2 1133 PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
251d07db 1134
e9a92fe2 1135 if ( ans % 8 == 0) {
1136 int bytes = (ans / 8);
1137 PrintAndLog("Possible %d bytes", bytes);
1138 int blocks = 0;
1139 if ( bytes % 2 == 0) {
1140 blocks = (bytes / 2);
1141 PrintAndLog("Possible 2 blocks, width %d", blocks);
1142 }
1143 if ( bytes % 4 == 0) {
1144 blocks = (bytes / 4);
1145 PrintAndLog("Possible 4 blocks, width %d", blocks);
1146 }
1147 if ( bytes % 8 == 0) {
1148 blocks = (bytes / 8);
1149 PrintAndLog("Possible 8 blocks, width %d", blocks);
1150 }
1151 if ( bytes % 16 == 0) {
1152 blocks = (bytes / 16);
1153 PrintAndLog("Possible 16 blocks, width %d", blocks);
1154 }
251d07db 1155 }
e9a92fe2 1156 }
1157
1158 ans=GetFskClock("",FALSE,FALSE);
1159 if (ans != 0){ //fsk
1160 ans=FSKrawDemod("",TRUE);
1161 if (ans>0) {
1162 PrintAndLog("\nUnknown FSK Modulated Tag Found!");
1163 return 1;
251d07db 1164 }
1165 }
05164399 1166 bool st = TRUE;
1167 ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
70459879 1168 if (ans>0) {
e9a92fe2 1169 PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
1170 PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
1171 return 1;
1172 }
1173
1174 ans=CmdPSK1rawDemod("");
1175 if (ans>0) {
1176 PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
1177 PrintAndLog("\nCould also be PSK3 - [currently not supported]");
1178 PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
70459879 1179 return 1;
1180 }
e9a92fe2 1181 PrintAndLog("\nNo Data Found!\n");
1182 }
1183 return 0;
d5a72d2f 1184}
1185
7fe9b0b7 1186static command_t CommandTable[] =
1187{
c2731f37 1188 {"help", CmdHelp, 1, "This help"},
9276e859 1189 {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
c2731f37 1190 {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"},
50564be0 1191 {"guard", CmdLFGuard, 1, "{ Guardall RFIDs... }"},
c2731f37 1192 {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
1193 {"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"},
5a6e19e6 1194 {"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"},
c2731f37 1195 {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"},
5a6e19e6 1196 {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
4b3655e7 1197 {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
c2731f37 1198 {"ti", CmdLFTI, 1, "{ TI RFIDs... }"},
05164399 1199 {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"},
c2731f37 1200 {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"},
1201 {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
c2731f37 1202 {"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)"},
1203 {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
1204 {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
1205 {"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
1206 {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
1207 {"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"},
1208 {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
1209 {"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"},
1210 {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"},
1211 {"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"},
1212 {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
05164399 1213 {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
c2731f37 1214 {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
1215 {NULL, NULL, 0, NULL}
7fe9b0b7 1216};
1217
4c36581b 1218int CmdLF(const char *Cmd) {
1219 clearCommandBuffer();
1220 CmdsParse(CommandTable, Cmd);
1221 return 0;
7fe9b0b7 1222}
1223
4c36581b 1224int CmdHelp(const char *Cmd) {
1225 CmdsHelp(CommandTable);
1226 return 0;
7fe9b0b7 1227}
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