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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//-----------------------------------------------------------------------------
10
7fe9b0b7 11#include <stdio.h>
590f8ff9 12#include <stdlib.h>
7fe9b0b7 13#include <string.h>
393c3ef9 14#include <limits.h>
b9957414 15#include <stdbool.h>
16#include <stdint.h>
902cb3c0 17#include "proxmark3.h"
7fe9b0b7 18#include "cmdlf.h"
29ada8fc 19#include "lfdemod.h" // for psk2TOpsk1
6923d3f1 20#include "util.h" // for parsing cli command utils
21#include "ui.h" // for show graph controls
22#include "graph.h" // for graph data
23#include "cmdparser.h" // for getting cli commands included in cmdmain.h
24#include "cmdmain.h" // for sending cmds to device
25#include "data.h" // for GetFromBigBuf
26#include "cmddata.h" // for `lf search`
27#include "cmdlfawid.h" // for awid menu
28#include "cmdlfem4x.h" // for em4x menu
29#include "cmdlfhid.h" // for hid menu
30#include "cmdlfhitag.h" // for hitag menu
31#include "cmdlfio.h" // for ioprox menu
32#include "cmdlft55xx.h" // for t55xx menu
33#include "cmdlfti.h" // for ti menu
34#include "cmdlfpresco.h" // for presco menu
35#include "cmdlfpcf7931.h"// for pcf7931 menu
36#include "cmdlfpyramid.h"// for pyramid menu
37#include "cmdlfviking.h" // for viking menu
e04475c4 38#include "cmdlfcotag.h" // for COTAG menu
8b6abef5 39#include "cmdlfvisa2000.h" // for VISA2000 menu
0fb65a26 40#include "cmdlfindala.h" // for indala menu
946a84c3 41#include "cmdlfgproxii.h"// for gproxii menu
4db6f3bb 42#include "cmdlffdx.h" // for fdx-b menu
5bce72d5 43#include "cmdlfparadox.h"// for paradox menu
44#include "cmdlfnexwatch.h"//for nexwatch menu
a9968da3 45#include "cmdlfjablotron.h" //for jablotron menu
46#include "cmdlfnoralsy.h"// for noralsy menu
c3caf040 47#include "cmdlfsecurakey.h"//for securakey menu
69f42a05 48#include "cmdlfpac.h" // for pac menu
e04475c4 49
fac69c3d 50bool g_lf_threshold_set = false;
7fe9b0b7 51static int CmdHelp(const char *Cmd);
52
21a615cb 53
54
f86d6b55 55int usage_lf_cmdread(void)
21a615cb 56{
57 PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
58 PrintAndLog("Options: ");
59 PrintAndLog(" h This help");
60 PrintAndLog(" L Low frequency (125 KHz)");
61 PrintAndLog(" H High frequency (134 KHz)");
62 PrintAndLog(" d <delay> delay OFF period");
63 PrintAndLog(" z <zero> time period ZERO");
64 PrintAndLog(" o <one> time period ONE");
65 PrintAndLog(" c <cmd> Command bytes");
66 PrintAndLog(" ************* All periods in microseconds");
67 PrintAndLog("Examples:");
68 PrintAndLog(" lf cmdread d 80 z 100 o 200 c 11000");
69 PrintAndLog(" lf cmdread d 80 z 100 o 100 c 11000 H");
70 return 0;
71}
72
7fe9b0b7 73/* send a command before reading */
74int CmdLFCommandRead(const char *Cmd)
75{
21a615cb 76 static char dummy[3] = {0x20,0x00,0x00};
e0165dcf 77 UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
7cb8516c 78 bool errors = false;
21a615cb 79 //uint8_t divisor = 95; //125khz
80 uint8_t cmdp = 0;
21a615cb 81 while(param_getchar(Cmd, cmdp) != 0x00)
82 {
83 switch(param_getchar(Cmd, cmdp))
84 {
85 case 'h':
86 return usage_lf_cmdread();
87 case 'H':
88 //divisor = 88;
89 dummy[1]='h';
90 cmdp++;
91 break;
92 case 'L':
93 cmdp++;
94 break;
95 case 'c':
874572d4 96 param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes, sizeof(c.d.asBytes));
21a615cb 97 cmdp+=2;
98 break;
99 case 'd':
100 c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
101 cmdp+=2;
102 break;
103 case 'z':
104 c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10);
105 cmdp+=2;
106 break;
107 case 'o':
108 c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10);
109 cmdp+=2;
110 break;
111 default:
112 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
113 errors = 1;
114 break;
115 }
116 if(errors) break;
117 }
118 // No args
119 if(cmdp == 0) errors = 1;
120
121 //Validations
122 if(errors) return usage_lf_cmdread();
123
124 // in case they specified 'H'
e0165dcf 125 strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
21a615cb 126
127 clearCommandBuffer();
e0165dcf 128 SendCommand(&c);
129 return 0;
7fe9b0b7 130}
131
132int CmdFlexdemod(const char *Cmd)
133{
e0165dcf 134 int i;
135 for (i = 0; i < GraphTraceLen; ++i) {
136 if (GraphBuffer[i] < 0) {
137 GraphBuffer[i] = -1;
138 } else {
139 GraphBuffer[i] = 1;
140 }
141 }
7fe9b0b7 142
f6650679 143 #define LONG_WAIT 100
e0165dcf 144 int start;
145 for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
146 int first = GraphBuffer[start];
147 for (i = start; i < start + LONG_WAIT; i++) {
148 if (GraphBuffer[i] != first) {
149 break;
150 }
151 }
152 if (i == (start + LONG_WAIT)) {
153 break;
154 }
155 }
156 if (start == GraphTraceLen - LONG_WAIT) {
157 PrintAndLog("nothing to wait for");
158 return 0;
159 }
160
161 GraphBuffer[start] = 2;
162 GraphBuffer[start+1] = -2;
3fe4ff4f 163 uint8_t bits[64] = {0x00};
7fe9b0b7 164
3fe4ff4f 165 int bit, sum;
e0165dcf 166 i = start;
167 for (bit = 0; bit < 64; bit++) {
3fe4ff4f 168 sum = 0;
169 for (int j = 0; j < 16; j++) {
e0165dcf 170 sum += GraphBuffer[i++];
171 }
3fe4ff4f 172
173 bits[bit] = (sum > 0) ? 1 : 0;
174
e0165dcf 175 PrintAndLog("bit %d sum %d", bit, sum);
176 }
177
178 for (bit = 0; bit < 64; bit++) {
179 int j;
180 int sum = 0;
181 for (j = 0; j < 16; j++) {
182 sum += GraphBuffer[i++];
183 }
184 if (sum > 0 && bits[bit] != 1) {
185 PrintAndLog("oops1 at %d", bit);
186 }
187 if (sum < 0 && bits[bit] != 0) {
188 PrintAndLog("oops2 at %d", bit);
189 }
190 }
7fe9b0b7 191
3fe4ff4f 192 // HACK writing back to graphbuffer.
e0165dcf 193 GraphTraceLen = 32*64;
194 i = 0;
195 int phase = 0;
196 for (bit = 0; bit < 64; bit++) {
3fe4ff4f 197
198 phase = (bits[bit] == 0) ? 0 : 1;
199
e0165dcf 200 int j;
201 for (j = 0; j < 32; j++) {
202 GraphBuffer[i++] = phase;
203 phase = !phase;
204 }
205 }
206
207 RepaintGraphWindow();
208 return 0;
0fb65a26 209}
2414f978 210
f86d6b55 211int usage_lf_read(void)
f6d9fb17 212{
31abe49f 213 PrintAndLog("Usage: lf read");
f6d9fb17
MHS
214 PrintAndLog("Options: ");
215 PrintAndLog(" h This help");
1fbf8956 216 PrintAndLog(" s silent run no printout");
b9957414 217 PrintAndLog(" [# samples] # samples to collect (optional)");
31abe49f
MHS
218 PrintAndLog("Use 'lf config' to set parameters.");
219 return 0;
220}
f86d6b55 221int usage_lf_snoop(void)
31abe49f
MHS
222{
223 PrintAndLog("Usage: lf snoop");
224 PrintAndLog("Options: ");
225 PrintAndLog(" h This help");
226 PrintAndLog("This function takes no arguments. ");
227 PrintAndLog("Use 'lf config' to set parameters.");
228 return 0;
229}
230
f86d6b55 231int usage_lf_config(void)
31abe49f
MHS
232{
233 PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
234 PrintAndLog("Options: ");
235 PrintAndLog(" h This help");
236 PrintAndLog(" L Low frequency (125 KHz)");
237 PrintAndLog(" H High frequency (134 KHz)");
238 PrintAndLog(" q <divisor> Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
239 PrintAndLog(" b <bps> Sets resolution of bits per sample. Default (max): 8");
240 PrintAndLog(" d <decim> Sets decimation. A value of N saves only 1 in N samples. Default: 1");
241 PrintAndLog(" a [0|1] Averaging - if set, will average the stored sample value when decimating. Default: 1");
b29d55f2 242 PrintAndLog(" t <threshold> Sets trigger threshold. 0 means no threshold (range: 0-128)");
f6d9fb17 243 PrintAndLog("Examples:");
31abe49f 244 PrintAndLog(" lf config b 8 L");
f6d9fb17 245 PrintAndLog(" Samples at 125KHz, 8bps.");
31abe49f 246 PrintAndLog(" lf config H b 4 d 3");
f6d9fb17
MHS
247 PrintAndLog(" Samples at 134KHz, averages three samples into one, stored with ");
248 PrintAndLog(" a resolution of 4 bits per sample.");
31abe49f
MHS
249 PrintAndLog(" lf read");
250 PrintAndLog(" Performs a read (active field)");
251 PrintAndLog(" lf snoop");
252 PrintAndLog(" Performs a snoop (no active field)");
f6d9fb17
MHS
253 return 0;
254}
31abe49f
MHS
255
256int CmdLFSetConfig(const char *Cmd)
7fe9b0b7 257{
31abe49f
MHS
258
259 uint8_t divisor = 0;//Frequency divisor
260 uint8_t bps = 0; // Bits per sample
261 uint8_t decimation = 0; //How many to keep
262 bool averaging = 1; // Defaults to true
7cb8516c 263 bool errors = false;
31abe49f
MHS
264 int trigger_threshold =-1;//Means no change
265 uint8_t unsigned_trigg = 0;
f6d9fb17
MHS
266
267 uint8_t cmdp =0;
31abe49f 268 while(param_getchar(Cmd, cmdp) != 0x00)
f6d9fb17 269 {
31abe49f
MHS
270 switch(param_getchar(Cmd, cmdp))
271 {
272 case 'h':
273 return usage_lf_config();
274 case 'H':
275 divisor = 88;
276 cmdp++;
277 break;
278 case 'L':
279 divisor = 95;
280 cmdp++;
281 break;
282 case 'q':
283 errors |= param_getdec(Cmd,cmdp+1,&divisor);
284 cmdp+=2;
285 break;
286 case 't':
287 errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
288 cmdp+=2;
2b11c7c7 289 if(!errors) {
290 trigger_threshold = unsigned_trigg;
fac69c3d 291 if (trigger_threshold > 0) g_lf_threshold_set = true;
2b11c7c7 292 }
31abe49f
MHS
293 break;
294 case 'b':
295 errors |= param_getdec(Cmd,cmdp+1,&bps);
296 cmdp+=2;
297 break;
298 case 'd':
299 errors |= param_getdec(Cmd,cmdp+1,&decimation);
300 cmdp+=2;
301 break;
302 case 'a':
303 averaging = param_getchar(Cmd,cmdp+1) == '1';
304 cmdp+=2;
305 break;
306 default:
307 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
308 errors = 1;
309 break;
310 }
311 if(errors) break;
f6d9fb17 312 }
31abe49f 313 if(cmdp == 0)
f6d9fb17 314 {
31abe49f 315 errors = 1;// No args
f6d9fb17 316 }
31abe49f 317
f6d9fb17
MHS
318 //Validations
319 if(errors)
320 {
31abe49f 321 return usage_lf_config();
f6d9fb17 322 }
f6d9fb17 323 //Bps is limited to 8, so fits in lower half of arg1
72c5877a 324 if(bps >> 4) bps = 8;
f6d9fb17 325
31abe49f
MHS
326 sample_config config = {
327 decimation,bps,averaging,divisor,trigger_threshold
328 };
329 //Averaging is a flag on high-bit of arg[1]
330 UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
331 memcpy(c.d.asBytes,&config,sizeof(sample_config));
709665b5 332 clearCommandBuffer();
31abe49f
MHS
333 SendCommand(&c);
334 return 0;
335}
f6d9fb17 336
b9957414 337bool lf_read(bool silent, uint32_t samples) {
3851172d 338 if (offline) return false;
b9957414 339 UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {silent,samples,0}};
340 clearCommandBuffer();
341 //And ship it to device
342 SendCommand(&c);
343
344 UsbCommand resp;
345 if (g_lf_threshold_set) {
346 WaitForResponse(CMD_ACK,&resp);
347 } else {
348 if ( !WaitForResponseTimeout(CMD_ACK,&resp,2500) ) {
349 PrintAndLog("command execution time out");
350 return false;
351 }
352 }
c68f5fc7 353 // resp.arg[0] is bits read not bytes read.
354 getSamples(resp.arg[0]/8, silent);
b9957414 355
356 return true;
357}
358
7fe9b0b7 359int CmdLFRead(const char *Cmd)
360{
1fbf8956 361 uint8_t cmdp = 0;
b9957414 362 bool silent = false;
1fbf8956 363 if (param_getchar(Cmd, cmdp) == 'h')
31abe49f
MHS
364 {
365 return usage_lf_read();
366 }
b9957414 367 if (param_getchar(Cmd, cmdp) == 's') {
368 silent = true; //suppress print
369 cmdp++;
2b11c7c7 370 }
b9957414 371 uint32_t samples = param_get32ex(Cmd, cmdp, 0, 10);
372 return lf_read(silent, samples);
31abe49f 373}
f6d9fb17 374
31abe49f
MHS
375int CmdLFSnoop(const char *Cmd)
376{
377 uint8_t cmdp =0;
378 if(param_getchar(Cmd, cmdp) == 'h')
379 {
380 return usage_lf_snoop();
381 }
382
383 UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
709665b5 384 clearCommandBuffer();
f6d9fb17
MHS
385 SendCommand(&c);
386 WaitForResponse(CMD_ACK,NULL);
b9957414 387 getSamples(0, true);
388
f6d9fb17 389 return 0;
7fe9b0b7 390}
391
392static void ChkBitstream(const char *str)
393{
e0165dcf 394 int i;
78f5b1a7 395
e0165dcf 396 /* convert to bitstream if necessary */
b915fda3 397 for (i = 0; i < (int)(GraphTraceLen / 2); i++){
398 if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
e0165dcf 399 CmdGetBitStream("");
400 break;
401 }
402 }
7fe9b0b7 403}
2767fc02 404//Attempt to simulate any wave in buffer (one bit per output sample)
405// converts GraphBuffer to bitstream (based on zero crossings) if needed.
7fe9b0b7 406int CmdLFSim(const char *Cmd)
407{
e0165dcf 408 int i,j;
409 static int gap;
7fe9b0b7 410
e0165dcf 411 sscanf(Cmd, "%i", &gap);
7fe9b0b7 412
8c8317a5 413 // convert to bitstream if necessary
e0165dcf 414 ChkBitstream(Cmd);
7fe9b0b7 415
2767fc02 416 //can send only 512 bits at a time (1 byte sent per bit...)
e0165dcf 417 printf("Sending [%d bytes]", GraphTraceLen);
418 for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
8c8317a5 419 UsbCommand c = {CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
52ab55ab 420
e0165dcf 421 for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
422 c.d.asBytes[j] = GraphBuffer[i+j];
423 }
424 SendCommand(&c);
425 WaitForResponse(CMD_ACK,NULL);
426 printf(".");
427 }
7fe9b0b7 428
e0165dcf 429 printf("\n");
430 PrintAndLog("Starting to simulate");
431 UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
709665b5 432 clearCommandBuffer();
e0165dcf 433 SendCommand(&c);
434 return 0;
7fe9b0b7 435}
436
abd6112f 437int usage_lf_simfsk(void)
438{
e0165dcf 439 //print help
440 PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
441 PrintAndLog("Options: ");
442 PrintAndLog(" h This help");
443 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
444 PrintAndLog(" i invert data");
445 PrintAndLog(" H <fcHigh> Manually set the larger Field Clock");
446 PrintAndLog(" L <fcLow> Manually set the smaller Field Clock");
447 //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
448 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
449 PrintAndLog("\n NOTE: if you set one clock manually set them all manually");
450 return 0;
abd6112f 451}
452
453int usage_lf_simask(void)
454{
e0165dcf 455 //print help
456 PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
457 PrintAndLog("Options: ");
458 PrintAndLog(" h This help");
459 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
460 PrintAndLog(" i invert data");
461 PrintAndLog(" b sim ask/biphase");
462 PrintAndLog(" m sim ask/manchester - Default");
463 PrintAndLog(" r sim ask/raw");
29ada8fc 464 PrintAndLog(" s add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
e0165dcf 465 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
466 return 0;
abd6112f 467}
468
872e3d4d 469int usage_lf_simpsk(void)
470{
e0165dcf 471 //print help
472 PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
473 PrintAndLog("Options: ");
474 PrintAndLog(" h This help");
475 PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
476 PrintAndLog(" i invert data");
477 PrintAndLog(" 1 set PSK1 (default)");
478 PrintAndLog(" 2 set PSK2");
479 PrintAndLog(" 3 set PSK3");
480 PrintAndLog(" r <carrier> 2|4|8 are valid carriers: default = 2");
481 PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
482 return 0;
872e3d4d 483}
712ebfa6 484
f86d6b55 485// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert
abd6112f 486// - allow pull data from DemodBuffer
487int CmdLFfskSim(const char *Cmd)
488{
2767fc02 489 //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
490 // otherwise will need FChigh, FClow, Clock, and bitstream
e0165dcf 491 uint8_t fcHigh=0, fcLow=0, clk=0;
492 uint8_t invert=0;
7cb8516c 493 bool errors = false;
874572d4 494 char hexData[64] = {0x00}; // store entered hex data
e0165dcf 495 uint8_t data[255] = {0x00};
496 int dataLen = 0;
497 uint8_t cmdp = 0;
498 while(param_getchar(Cmd, cmdp) != 0x00)
499 {
500 switch(param_getchar(Cmd, cmdp))
501 {
502 case 'h':
503 return usage_lf_simfsk();
504 case 'i':
505 invert = 1;
506 cmdp++;
507 break;
508 case 'c':
509 errors |= param_getdec(Cmd,cmdp+1,&clk);
510 cmdp+=2;
511 break;
512 case 'H':
513 errors |= param_getdec(Cmd,cmdp+1,&fcHigh);
514 cmdp+=2;
515 break;
516 case 'L':
517 errors |= param_getdec(Cmd,cmdp+1,&fcLow);
518 cmdp+=2;
519 break;
520 //case 's':
521 // separator=1;
522 // cmdp++;
523 // break;
524 case 'd':
874572d4 525 dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
e0165dcf 526 if (dataLen==0) {
7cb8516c 527 errors=true;
e0165dcf 528 } else {
529 dataLen = hextobinarray((char *)data, hexData);
530 }
7cb8516c 531 if (dataLen==0) errors=true;
e0165dcf 532 if (errors) PrintAndLog ("Error getting hex data");
533 cmdp+=2;
534 break;
535 default:
536 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
7cb8516c 537 errors = true;
e0165dcf 538 break;
539 }
540 if(errors) break;
541 }
542 if(cmdp == 0 && DemodBufferLen == 0)
543 {
7cb8516c 544 errors = true;// No args
e0165dcf 545 }
546
547 //Validations
548 if(errors)
549 {
550 return usage_lf_simfsk();
551 }
0f321d63 552 int firstClockEdge = 0;
e0165dcf 553 if (dataLen == 0){ //using DemodBuffer
554 if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
0f321d63 555 uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0, &firstClockEdge);
e0165dcf 556 if (ans==0){
557 if (!fcHigh) fcHigh=10;
558 if (!fcLow) fcLow=8;
559 if (!clk) clk=50;
560 }
561 }
562 } else {
563 setDemodBuf(data, dataLen, 0);
564 }
2767fc02 565
566 //default if not found
e0165dcf 567 if (clk == 0) clk = 50;
568 if (fcHigh == 0) fcHigh = 10;
569 if (fcLow == 0) fcLow = 8;
570
571 uint16_t arg1, arg2;
572 arg1 = fcHigh << 8 | fcLow;
573 arg2 = invert << 8 | clk;
574 size_t size = DemodBufferLen;
575 if (size > USB_CMD_DATA_SIZE) {
576 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
577 size = USB_CMD_DATA_SIZE;
578 }
579 UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
580
581 memcpy(c.d.asBytes, DemodBuffer, size);
709665b5 582 clearCommandBuffer();
e0165dcf 583 SendCommand(&c);
584 return 0;
abd6112f 585}
586
587// by marshmellow - sim ask data given clock, invert, manchester or raw, separator
588// - allow pull data from DemodBuffer
589int CmdLFaskSim(const char *Cmd)
590{
e0165dcf 591 //autodetect clock from Graphbuffer if using demod buffer
2767fc02 592 // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
e0165dcf 593 uint8_t encoding = 1, separator = 0;
e0165dcf 594 uint8_t clk=0, invert=0;
7cb8516c 595 bool errors = false;
874572d4 596 char hexData[64] = {0x00};
e0165dcf 597 uint8_t data[255]= {0x00}; // store entered hex data
598 int dataLen = 0;
599 uint8_t cmdp = 0;
600 while(param_getchar(Cmd, cmdp) != 0x00)
601 {
602 switch(param_getchar(Cmd, cmdp))
603 {
604 case 'h':
605 return usage_lf_simask();
606 case 'i':
607 invert = 1;
608 cmdp++;
609 break;
610 case 'c':
611 errors |= param_getdec(Cmd,cmdp+1,&clk);
612 cmdp+=2;
613 break;
614 case 'b':
615 encoding=2; //biphase
616 cmdp++;
617 break;
618 case 'm':
619 encoding=1;
620 cmdp++;
621 break;
622 case 'r':
623 encoding=0;
624 cmdp++;
625 break;
626 case 's':
627 separator=1;
628 cmdp++;
629 break;
630 case 'd':
874572d4 631 dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
e0165dcf 632 if (dataLen==0) {
7cb8516c 633 errors=true;
e0165dcf 634 } else {
635 dataLen = hextobinarray((char *)data, hexData);
636 }
7cb8516c 637 if (dataLen==0) errors=true;
e0165dcf 638 if (errors) PrintAndLog ("Error getting hex data, datalen: %d",dataLen);
639 cmdp+=2;
640 break;
641 default:
642 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
7cb8516c 643 errors = true;
e0165dcf 644 break;
645 }
646 if(errors) break;
647 }
648 if(cmdp == 0 && DemodBufferLen == 0)
649 {
7cb8516c 650 errors = true;// No args
e0165dcf 651 }
652
653 //Validations
654 if(errors)
655 {
656 return usage_lf_simask();
657 }
658 if (dataLen == 0){ //using DemodBuffer
659 if (clk == 0) clk = GetAskClock("0", false, false);
660 } else {
661 setDemodBuf(data, dataLen, 0);
662 }
663 if (clk == 0) clk = 64;
664 if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
665 uint16_t arg1, arg2;
666 size_t size=DemodBufferLen;
667 arg1 = clk << 8 | encoding;
668 arg2 = invert << 8 | separator;
669 if (size > USB_CMD_DATA_SIZE) {
670 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
671 size = USB_CMD_DATA_SIZE;
672 }
673 UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
674 PrintAndLog("preparing to sim ask data: %d bits", size);
675 memcpy(c.d.asBytes, DemodBuffer, size);
709665b5 676 clearCommandBuffer();
e0165dcf 677 SendCommand(&c);
678 return 0;
abd6112f 679}
680
872e3d4d 681// by marshmellow - sim psk data given carrier, clock, invert
682// - allow pull data from DemodBuffer or parameters
683int CmdLFpskSim(const char *Cmd)
684{
e0165dcf 685 //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
686 //will need carrier, Clock, and bitstream
687 uint8_t carrier=0, clk=0;
688 uint8_t invert=0;
7cb8516c 689 bool errors = false;
874572d4 690 char hexData[64] = {0x00}; // store entered hex data
e0165dcf 691 uint8_t data[255] = {0x00};
692 int dataLen = 0;
693 uint8_t cmdp = 0;
694 uint8_t pskType = 1;
695 while(param_getchar(Cmd, cmdp) != 0x00)
696 {
697 switch(param_getchar(Cmd, cmdp))
698 {
699 case 'h':
700 return usage_lf_simpsk();
701 case 'i':
702 invert = 1;
703 cmdp++;
704 break;
705 case 'c':
706 errors |= param_getdec(Cmd,cmdp+1,&clk);
707 cmdp+=2;
708 break;
709 case 'r':
710 errors |= param_getdec(Cmd,cmdp+1,&carrier);
711 cmdp+=2;
712 break;
713 case '1':
714 pskType=1;
715 cmdp++;
716 break;
717 case '2':
718 pskType=2;
719 cmdp++;
720 break;
721 case '3':
722 pskType=3;
723 cmdp++;
724 break;
725 case 'd':
874572d4 726 dataLen = param_getstr(Cmd, cmdp+1, hexData, sizeof(hexData));
e0165dcf 727 if (dataLen==0) {
7cb8516c 728 errors=true;
e0165dcf 729 } else {
730 dataLen = hextobinarray((char *)data, hexData);
731 }
7cb8516c 732 if (dataLen==0) errors=true;
e0165dcf 733 if (errors) PrintAndLog ("Error getting hex data");
734 cmdp+=2;
735 break;
736 default:
737 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
7cb8516c 738 errors = true;
e0165dcf 739 break;
740 }
741 if (errors) break;
742 }
743 if (cmdp == 0 && DemodBufferLen == 0)
744 {
7cb8516c 745 errors = true;// No args
e0165dcf 746 }
747
748 //Validations
749 if (errors)
750 {
751 return usage_lf_simpsk();
752 }
753 if (dataLen == 0){ //using DemodBuffer
754 PrintAndLog("Getting Clocks");
7cb8516c 755 if (clk==0) clk = GetPskClock("", false, false);
e0165dcf 756 PrintAndLog("clk: %d",clk);
7cb8516c 757 if (!carrier) carrier = GetPskCarrier("", false, false);
e0165dcf 758 PrintAndLog("carrier: %d", carrier);
759 } else {
760 setDemodBuf(data, dataLen, 0);
761 }
762
763 if (clk <= 0) clk = 32;
764 if (carrier == 0) carrier = 2;
765 if (pskType != 1){
766 if (pskType == 2){
767 //need to convert psk2 to psk1 data before sim
768 psk2TOpsk1(DemodBuffer, DemodBufferLen);
769 } else {
770 PrintAndLog("Sorry, PSK3 not yet available");
771 }
772 }
773 uint16_t arg1, arg2;
774 arg1 = clk << 8 | carrier;
775 arg2 = invert;
776 size_t size=DemodBufferLen;
777 if (size > USB_CMD_DATA_SIZE) {
778 PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
779 size=USB_CMD_DATA_SIZE;
780 }
781 UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
782 PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
783 memcpy(c.d.asBytes, DemodBuffer, size);
709665b5 784 clearCommandBuffer();
e0165dcf 785 SendCommand(&c);
786
787 return 0;
872e3d4d 788}
abd6112f 789
7fe9b0b7 790int CmdLFSimBidir(const char *Cmd)
791{
e0165dcf 792 // Set ADC to twice the carrier for a slight supersampling
793 // HACK: not implemented in ARMSRC.
794 PrintAndLog("Not implemented yet.");
795 UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
796 SendCommand(&c);
797 return 0;
7fe9b0b7 798}
799
7fe9b0b7 800int CmdVchDemod(const char *Cmd)
801{
e0165dcf 802 // Is this the entire sync pattern, or does this also include some
803 // data bits that happen to be the same everywhere? That would be
804 // lovely to know.
805 static const int SyncPattern[] = {
806 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
807 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
808 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
809 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
810 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
811 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
812 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
813 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
814 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
815 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
816 };
817
818 // So first, we correlate for the sync pattern, and mark that.
819 int bestCorrel = 0, bestPos = 0;
820 int i;
821 // It does us no good to find the sync pattern, with fewer than
822 // 2048 samples after it...
823 for (i = 0; i < (GraphTraceLen-2048); i++) {
824 int sum = 0;
825 int j;
826 for (j = 0; j < arraylen(SyncPattern); j++) {
827 sum += GraphBuffer[i+j]*SyncPattern[j];
828 }
829 if (sum > bestCorrel) {
830 bestCorrel = sum;
831 bestPos = i;
832 }
833 }
834 PrintAndLog("best sync at %d [metric %d]", bestPos, bestCorrel);
835
836 char bits[257];
837 bits[256] = '\0';
838
839 int worst = INT_MAX;
840 int worstPos = 0;
841
842 for (i = 0; i < 2048; i += 8) {
843 int sum = 0;
844 int j;
845 for (j = 0; j < 8; j++) {
846 sum += GraphBuffer[bestPos+i+j];
847 }
848 if (sum < 0) {
849 bits[i/8] = '.';
850 } else {
851 bits[i/8] = '1';
852 }
853 if(abs(sum) < worst) {
854 worst = abs(sum);
855 worstPos = i;
856 }
857 }
858 PrintAndLog("bits:");
859 PrintAndLog("%s", bits);
860 PrintAndLog("worst metric: %d at pos %d", worst, worstPos);
861
862 if (strcmp(Cmd, "clone")==0) {
863 GraphTraceLen = 0;
864 char *s;
865 for(s = bits; *s; s++) {
866 int j;
867 for(j = 0; j < 16; j++) {
868 GraphBuffer[GraphTraceLen++] = (*s == '1') ? 1 : 0;
869 }
870 }
871 RepaintGraphWindow();
872 }
873 return 0;
7fe9b0b7 874}
875
d0b05864 876
877//by marshmellow
878int CheckChipType(char cmdp) {
879 uint32_t wordData = 0;
880
3851172d 881 if (offline || cmdp == '1') return 0;
537f80f2 882
3fd7fce4 883 save_restoreGB(GRAPH_SAVE);
884 save_restoreDB(GRAPH_SAVE);
537f80f2 885 //check for em4x05/em4x69 chips first
886 if (EM4x05Block0Test(&wordData)) {
d0b05864 887 PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nTry lf em 4x05... commands\n");
3fd7fce4 888 save_restoreGB(GRAPH_RESTORE);
889 save_restoreDB(GRAPH_RESTORE);
d0b05864 890 return 1;
891 }
892
537f80f2 893 //check for t55xx chip...
894 if (tryDetectP1(true)) {
b97311b1 895 PrintAndLog("\nValid T55xx Chip Found\nTry lf t55xx ... commands\n");
3fd7fce4 896 save_restoreGB(GRAPH_RESTORE);
897 save_restoreDB(GRAPH_RESTORE);
b97311b1 898 return 1;
899 }
3fd7fce4 900 save_restoreGB(GRAPH_RESTORE);
901 save_restoreDB(GRAPH_RESTORE);
b97311b1 902 return 0;
d0b05864 903}
904
d5a72d2f 905//by marshmellow
906int CmdLFfind(const char *Cmd)
907{
d0b05864 908 uint32_t wordData = 0;
e0165dcf 909 int ans=0;
e04475c4 910 size_t minLength = 1000;
e0165dcf 911 char cmdp = param_getchar(Cmd, 0);
912 char testRaw = param_getchar(Cmd, 1);
913 if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
914 PrintAndLog("Usage: lf search <0|1> [u]");
915 PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
916 PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
917 PrintAndLog("");
918 PrintAndLog(" sample: lf search = try reading data from tag & search for known tags");
919 PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
920 PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
921 PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
922
923 return 0;
924 }
925
3851172d 926 if (!offline && (cmdp != '1')) {
b9957414 927 lf_read(true, 30000);
e04475c4 928 } else if (GraphTraceLen < minLength) {
e0165dcf 929 PrintAndLog("Data in Graphbuffer was too small.");
930 return 0;
931 }
932 if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
933
934 PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
935 PrintAndLog("False Positives ARE possible\n");
936 PrintAndLog("\nChecking for known tags:\n");
937
e04475c4 938 size_t testLen = minLength;
939 // only run if graphbuffer is just noise as it should be for hitag/cotag
940 if (graphJustNoise(GraphBuffer, testLen)) {
941 // only run these tests if we are in online mode
3851172d 942 if (!offline && (cmdp != '1')) {
d0b05864 943 // test for em4x05 in reader talk first mode.
944 if (EM4x05Block0Test(&wordData)) {
945 PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nUse lf em 4x05readword/dump commands to read\n");
946 return 1;
947 }
217cfb6b 948 ans=CmdLFHitagReader("26"); // 26 = RHT2F_UID_ONLY
e04475c4 949 if (ans==0) {
950 return 1;
951 }
952 ans=CmdCOTAGRead("");
b97311b1 953 if (ans>0) {
e04475c4 954 PrintAndLog("\nValid COTAG ID Found!");
955 return 1;
956 }
957 }
958 return 0;
959 }
960
b97311b1 961 // TODO test for modulation then only test formats that use that modulation
962
e0165dcf 963 ans=CmdFSKdemodIO("");
964 if (ans>0) {
965 PrintAndLog("\nValid IO Prox ID Found!");
d0b05864 966 return CheckChipType(cmdp);
e0165dcf 967 }
968
969 ans=CmdFSKdemodPyramid("");
970 if (ans>0) {
971 PrintAndLog("\nValid Pyramid ID Found!");
d0b05864 972 return CheckChipType(cmdp);
e0165dcf 973 }
974
975 ans=CmdFSKdemodParadox("");
976 if (ans>0) {
977 PrintAndLog("\nValid Paradox ID Found!");
d0b05864 978 return CheckChipType(cmdp);
e0165dcf 979 }
980
981 ans=CmdFSKdemodAWID("");
982 if (ans>0) {
983 PrintAndLog("\nValid AWID ID Found!");
d0b05864 984 return CheckChipType(cmdp);
e0165dcf 985 }
986
987 ans=CmdFSKdemodHID("");
988 if (ans>0) {
989 PrintAndLog("\nValid HID Prox ID Found!");
d0b05864 990 return CheckChipType(cmdp);
e0165dcf 991 }
992
e0165dcf 993 ans=CmdAskEM410xDemod("");
994 if (ans>0) {
995 PrintAndLog("\nValid EM410x ID Found!");
d0b05864 996 return CheckChipType(cmdp);
e0165dcf 997 }
998
8b6abef5 999 ans=CmdVisa2kDemod("");
1000 if (ans>0) {
1001 PrintAndLog("\nValid Visa2000 ID Found!");
1002 return CheckChipType(cmdp);
1003 }
1004
e0165dcf 1005 ans=CmdG_Prox_II_Demod("");
1006 if (ans>0) {
1007 PrintAndLog("\nValid G Prox II ID Found!");
d0b05864 1008 return CheckChipType(cmdp);
e0165dcf 1009 }
1010
b97311b1 1011 ans=CmdFdxDemod(""); //biphase
ecfcb34c 1012 if (ans>0) {
1013 PrintAndLog("\nValid FDX-B ID Found!");
d0b05864 1014 return CheckChipType(cmdp);
ecfcb34c 1015 }
1016
b97311b1 1017 ans=EM4x50Read("", false); //ask
23f0a7d8 1018 if (ans>0) {
1019 PrintAndLog("\nValid EM4x50 ID Found!");
1020 return 1;
a9968da3 1021 }
1022
1023 ans=CmdJablotronDemod("");
1024 if (ans>0) {
1025 PrintAndLog("\nValid Jablotron ID Found!");
1026 return CheckChipType(cmdp);
1027 }
1028
1029 ans=CmdNoralsyDemod("");
1030 if (ans>0) {
1031 PrintAndLog("\nValid Noralsy ID Found!");
1032 return CheckChipType(cmdp);
1033 }
411105e0 1034
c3caf040 1035 ans=CmdSecurakeyDemod("");
1036 if (ans>0) {
1037 PrintAndLog("\nValid Securakey ID Found!");
1038 return CheckChipType(cmdp);
1039 }
1040
415274a7 1041 ans=CmdVikingDemod("");
1042 if (ans>0) {
1043 PrintAndLog("\nValid Viking ID Found!");
d0b05864 1044 return CheckChipType(cmdp);
a9968da3 1045 }
415274a7 1046
b97311b1 1047 ans=CmdIndalaDecode(""); //psk
6fe5c94b 1048 if (ans>0) {
1049 PrintAndLog("\nValid Indala ID Found!");
d0b05864 1050 return CheckChipType(cmdp);
6fe5c94b 1051 }
1052
411105e0 1053 ans=CmdPSKNexWatch("");
1054 if (ans>0) {
1055 PrintAndLog("\nValid NexWatch ID Found!");
d0b05864 1056 return CheckChipType(cmdp);
411105e0 1057 }
1058
69f42a05 1059 ans=CmdPacDemod("");
1060 if (ans>0) {
1061 PrintAndLog("\nValid PAC/Stanley ID Found!");
1062 return CheckChipType(cmdp);
1063 }
1064
e0165dcf 1065 PrintAndLog("\nNo Known Tags Found!\n");
b97311b1 1066 if (testRaw=='u' || testRaw=='U') {
3fd7fce4 1067 //ans=CheckChipType(cmdp);
d0b05864 1068 //test unknown tag formats (raw mode)0
e0165dcf 1069 PrintAndLog("\nChecking for Unknown tags:\n");
c4f51073 1070 ans=AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, 4000, false, false);
e0165dcf 1071 if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
7cb8516c 1072 ans=GetFskClock("",false,false);
b97311b1 1073 if (ans != 0) { //fsk
7cb8516c 1074 ans=FSKrawDemod("",true);
e0165dcf 1075 if (ans>0) {
1076 PrintAndLog("\nUnknown FSK Modulated Tag Found!");
f516ff08 1077 return CheckChipType(cmdp);
e0165dcf 1078 }
1079 }
7cb8516c 1080 bool st = true;
1081 ans=ASKDemod_ext("0 0 0",true,false,1,&st);
e0165dcf 1082 if (ans>0) {
1083 PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
1084 PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
f516ff08 1085 return CheckChipType(cmdp);
e0165dcf 1086 }
1087 ans=CmdPSK1rawDemod("");
1088 if (ans>0) {
1089 PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
1090 PrintAndLog("\nCould also be PSK3 - [currently not supported]");
0e2ddb41 1091 PrintAndLog("\nCould also be NRZ - try 'data rawdemod nr'");
f516ff08 1092 return CheckChipType(cmdp);
e0165dcf 1093 }
f1004b34 1094 ans = CheckChipType(cmdp);
e0165dcf 1095 PrintAndLog("\nNo Data Found!\n");
1096 }
1097 return 0;
d5a72d2f 1098}
1099
7fe9b0b7 1100static command_t CommandTable[] =
1101{
e0165dcf 1102 {"help", CmdHelp, 1, "This help"},
9b99a6db 1103 {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"},
1104 {"cotag", CmdLFCOTAG, 1, "{ COTAG CHIPs... }"},
1105 {"em", CmdLFEM4X, 1, "{ EM4X CHIPs & RFIDs... }"},
1106 {"fdx", CmdLFFdx, 1, "{ FDX-B RFIDs... }"},
1107 {"gproxii", CmdLF_G_Prox_II, 1, "{ G Prox II RFIDs... }"},
1108 {"hid", CmdLFHID, 1, "{ HID RFIDs... }"},
1109 {"hitag", CmdLFHitag, 1, "{ Hitag CHIPs... }"},
1110 {"io", CmdLFIO, 1, "{ ioProx RFIDs... }"},
1111 {"indala", CmdLFINDALA, 1, "{ Indala RFIDs... }"},
a9968da3 1112 {"jablotron", CmdLFJablotron, 1, "{ Jablotron RFIDs... }"},
5bce72d5 1113 {"nexwatch", CmdLFNexWatch, 1, "{ NexWatch RFIDs... }"},
a9968da3 1114 {"noralsy", CmdLFNoralsy, 1, "{ Noralsy RFIDs... }"},
69f42a05 1115 {"pac", CmdLFPac, 1, "{ PAC/Stanley RFIDs... }"},
5bce72d5 1116 {"paradox", CmdLFParadox, 1, "{ Paradox RFIDs... }"},
9b99a6db 1117 {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"},
1118 {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 CHIPs... }"},
6923d3f1 1119 {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"},
c3caf040 1120 {"securakey", CmdLFSecurakey, 1, "{ Securakey RFIDs... }"},
9b99a6db 1121 {"t55xx", CmdLFT55XX, 1, "{ T55xx CHIPs... }"},
1122 {"ti", CmdLFTI, 1, "{ TI CHIPs... }"},
1123 {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"},
1124 {"visa2000", CmdLFVisa2k, 1, "{ Visa2000 RFIDs... }"},
21a615cb 1125 {"cmdread", CmdLFCommandRead, 0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
e0165dcf 1126 {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
1127 {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
e0165dcf 1128 {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
1129 {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
1130 {"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
aa53efc3 1131 {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [biphase/manchester/raw <'b'|'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
e0165dcf 1132 {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
1133 {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
1134 {"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
e0165dcf 1135 {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
e0165dcf 1136 {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
e0165dcf 1137 {NULL, NULL, 0, NULL}
7fe9b0b7 1138};
1139
1140int CmdLF(const char *Cmd)
1141{
e0165dcf 1142 CmdsParse(CommandTable, Cmd);
1143 return 0;
7fe9b0b7 1144}
1145
1146int CmdHelp(const char *Cmd)
1147{
e0165dcf 1148 CmdsHelp(CommandTable);
1149 return 0;
7fe9b0b7 1150}
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