]>
Commit | Line | Data |
---|---|---|
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 | // Data and Graph commands | |
9 | //----------------------------------------------------------------------------- | |
10 | ||
6923d3f1 | 11 | #include <stdio.h> // also included in util.h |
12 | #include <string.h> // also included in util.h | |
43534cba | 13 | #include <inttypes.h> |
6923d3f1 | 14 | #include <limits.h> // for CmdNorm INT_MIN && INT_MAX |
15 | #include "data.h" // also included in util.h | |
16 | #include "cmddata.h" | |
d51b2eda | 17 | #include "util.h" |
7fe9b0b7 | 18 | #include "cmdmain.h" |
6923d3f1 | 19 | #include "proxmark3.h" |
20 | #include "ui.h" // for show graph controls | |
21 | #include "graph.h" // for graph data | |
22 | #include "cmdparser.h"// already included in cmdmain.h | |
23 | #include "usb_cmd.h" // already included in cmdmain.h and proxmark3.h | |
24 | #include "lfdemod.h" // for demod code | |
25 | #include "crc.h" // for pyramid checksum maxim | |
26 | #include "crc16.h" // for FDXB demod checksum | |
27 | #include "loclass/cipherutils.h" // for decimating samples in getsamples | |
31abe49f | 28 | |
4118b74d | 29 | uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; |
b362de62 | 30 | uint8_t g_debugMode=0; |
31 | size_t DemodBufferLen=0; | |
7fe9b0b7 | 32 | static int CmdHelp(const char *Cmd); |
33 | ||
4118b74d | 34 | //set the demod buffer with given array of binary (one bit per byte) |
35 | //by marshmellow | |
ec75f5c1 | 36 | void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx) |
4118b74d | 37 | { |
13d77ef9 | 38 | if (buff == NULL) |
39 | return; | |
40 | ||
41 | if ( size >= MAX_DEMOD_BUF_LEN) | |
42 | size = MAX_DEMOD_BUF_LEN; | |
43 | ||
ec75f5c1 | 44 | size_t i = 0; |
8e2e6c8e | 45 | for (; i < size; i++){ |
ec75f5c1 | 46 | DemodBuffer[i]=buff[startIdx++]; |
ba1a299c | 47 | } |
48 | DemodBufferLen=size; | |
49 | return; | |
4118b74d | 50 | } |
51 | ||
ec75f5c1 | 52 | int CmdSetDebugMode(const char *Cmd) |
53 | { | |
e0165dcf | 54 | int demod=0; |
55 | sscanf(Cmd, "%i", &demod); | |
56 | g_debugMode=(uint8_t)demod; | |
57 | return 1; | |
ec75f5c1 | 58 | } |
59 | ||
979bba37 | 60 | int usage_data_printdemodbuf(){ |
ace26dbd | 61 | PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>"); |
979bba37 | 62 | PrintAndLog("Options: "); |
63 | PrintAndLog(" h This help"); | |
64 | PrintAndLog(" x output in hex (omit for binary output)"); | |
65 | PrintAndLog(" o <offset> enter offset in # of bits"); | |
ace26dbd | 66 | PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively"); |
979bba37 | 67 | return 0; |
68 | } | |
69 | ||
4118b74d | 70 | //by marshmellow |
abd6112f | 71 | void printDemodBuff(void) |
4118b74d | 72 | { |
ba1a299c | 73 | int bitLen = DemodBufferLen; |
2767fc02 | 74 | if (bitLen<1) { |
ba1a299c | 75 | PrintAndLog("no bits found in demod buffer"); |
76 | return; | |
77 | } | |
78 | if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty | |
e0165dcf | 79 | |
2767fc02 | 80 | char *bin = sprint_bin_break(DemodBuffer,bitLen,16); |
81 | PrintAndLog("%s",bin); | |
82 | ||
ba1a299c | 83 | return; |
4118b74d | 84 | } |
85 | ||
8d960002 | 86 | int CmdPrintDemodBuff(const char *Cmd) |
87 | { | |
979bba37 | 88 | char hex[512]={0x00}; |
89 | bool hexMode = false; | |
90 | bool errors = false; | |
ace26dbd | 91 | uint32_t offset = 0; //could be size_t but no param_get16... |
92 | uint32_t length = 512; | |
979bba37 | 93 | char cmdp = 0; |
94 | while(param_getchar(Cmd, cmdp) != 0x00) | |
95 | { | |
96 | switch(param_getchar(Cmd, cmdp)) | |
97 | { | |
98 | case 'h': | |
99 | case 'H': | |
100 | return usage_data_printdemodbuf(); | |
101 | case 'x': | |
102 | case 'X': | |
103 | hexMode = true; | |
104 | cmdp++; | |
105 | break; | |
106 | case 'o': | |
107 | case 'O': | |
ace26dbd | 108 | offset = param_get32ex(Cmd, cmdp+1, 0, 10); |
979bba37 | 109 | if (!offset) errors = true; |
110 | cmdp += 2; | |
111 | break; | |
ace26dbd | 112 | case 'l': |
113 | case 'L': | |
114 | length = param_get32ex(Cmd, cmdp+1, 512, 10); | |
115 | if (!length) errors = true; | |
116 | cmdp += 2; | |
117 | break; | |
979bba37 | 118 | default: |
119 | PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); | |
120 | errors = true; | |
121 | break; | |
122 | } | |
123 | if(errors) break; | |
e0165dcf | 124 | } |
979bba37 | 125 | //Validations |
126 | if(errors) return usage_data_printdemodbuf(); | |
ace26dbd | 127 | length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length; |
128 | int numBits = (length) & 0x00FFC; //make sure we don't exceed our string | |
979bba37 | 129 | |
130 | if (hexMode){ | |
185e038c | 131 | char *buf = (char *) (DemodBuffer + offset); |
ace26dbd | 132 | numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits; |
979bba37 | 133 | numBits = binarraytohex(hex, buf, numBits); |
e0165dcf | 134 | if (numBits==0) return 0; |
979bba37 | 135 | PrintAndLog("DemodBuffer: %s",hex); |
e0165dcf | 136 | } else { |
709665b5 | 137 | PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer+offset,numBits,16)); |
e0165dcf | 138 | } |
139 | return 1; | |
8d960002 | 140 | } |
7fe9b0b7 | 141 | |
2767fc02 | 142 | //by marshmellow |
78f5b1a7 | 143 | //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer |
144 | int CmdGetBitStream(const char *Cmd) | |
145 | { | |
e0165dcf | 146 | int i; |
147 | CmdHpf(Cmd); | |
148 | for (i = 0; i < GraphTraceLen; i++) { | |
149 | if (GraphBuffer[i] >= 1) { | |
150 | GraphBuffer[i] = 1; | |
151 | } else { | |
152 | GraphBuffer[i] = 0; | |
153 | } | |
154 | } | |
155 | RepaintGraphWindow(); | |
156 | return 0; | |
78f5b1a7 | 157 | } |
158 | ||
d5a72d2f | 159 | //by marshmellow |
abd6112f | 160 | //print 64 bit EM410x ID in multiple formats |
b41534d1 | 161 | void printEM410x(uint32_t hi, uint64_t id) |
2fc2150e | 162 | { |
e0165dcf | 163 | if (id || hi){ |
164 | uint64_t iii=1; | |
165 | uint64_t id2lo=0; | |
166 | uint32_t ii=0; | |
167 | uint32_t i=0; | |
168 | for (ii=5; ii>0;ii--){ | |
169 | for (i=0;i<8;i++){ | |
170 | id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8))); | |
171 | } | |
172 | } | |
173 | if (hi){ | |
174 | //output 88 bit em id | |
43534cba | 175 | PrintAndLog("\nEM TAG ID : %06X%016" PRIX64, hi, id); |
e0165dcf | 176 | } else{ |
177 | //output 40 bit em id | |
43534cba | 178 | PrintAndLog("\nEM TAG ID : %010" PRIX64, id); |
e0165dcf | 179 | PrintAndLog("\nPossible de-scramble patterns"); |
4913be92 | 180 | PrintAndLog("Unique TAG ID : %010" PRIX64, id2lo); |
e0165dcf | 181 | PrintAndLog("HoneyWell IdentKey {"); |
43534cba | 182 | PrintAndLog("DEZ 8 : %08" PRIu64,id & 0xFFFFFF); |
183 | PrintAndLog("DEZ 10 : %010" PRIu64,id & 0xFFFFFFFF); | |
184 | PrintAndLog("DEZ 5.5 : %05lld.%05" PRIu64,(id>>16LL) & 0xFFFF,(id & 0xFFFF)); | |
185 | PrintAndLog("DEZ 3.5A : %03lld.%05" PRIu64,(id>>32ll),(id & 0xFFFF)); | |
186 | PrintAndLog("DEZ 3.5B : %03lld.%05" PRIu64,(id & 0xFF000000) >> 24,(id & 0xFFFF)); | |
187 | PrintAndLog("DEZ 3.5C : %03lld.%05" PRIu64,(id & 0xFF0000) >> 16,(id & 0xFFFF)); | |
188 | PrintAndLog("DEZ 14/IK2 : %014" PRIu64,id); | |
189 | PrintAndLog("DEZ 15/IK3 : %015" PRIu64,id2lo); | |
190 | PrintAndLog("DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64, | |
e0165dcf | 191 | (id2lo & 0xf000000000) >> 36, |
192 | (id2lo & 0x0f00000000) >> 32, | |
193 | (id2lo & 0x00f0000000) >> 28, | |
194 | (id2lo & 0x000f000000) >> 24, | |
195 | (id2lo & 0x0000f00000) >> 20, | |
196 | (id2lo & 0x00000f0000) >> 16, | |
197 | (id2lo & 0x000000f000) >> 12, | |
198 | (id2lo & 0x0000000f00) >> 8, | |
199 | (id2lo & 0x00000000f0) >> 4, | |
200 | (id2lo & 0x000000000f) | |
201 | ); | |
202 | uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00; | |
43534cba | 203 | PrintAndLog("}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64 "",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); |
204 | PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton); | |
e0165dcf | 205 | |
206 | uint32_t p1id = (id & 0xFFFFFF); | |
207 | uint8_t arr[32] = {0x00}; | |
208 | int i =0; | |
209 | int j = 23; | |
210 | for (; i < 24; ++i, --j ){ | |
211 | arr[i] = (p1id >> i) & 1; | |
212 | } | |
213 | ||
214 | uint32_t p1 = 0; | |
215 | ||
216 | p1 |= arr[23] << 21; | |
217 | p1 |= arr[22] << 23; | |
218 | p1 |= arr[21] << 20; | |
219 | p1 |= arr[20] << 22; | |
220 | ||
221 | p1 |= arr[19] << 18; | |
222 | p1 |= arr[18] << 16; | |
223 | p1 |= arr[17] << 19; | |
224 | p1 |= arr[16] << 17; | |
225 | ||
226 | p1 |= arr[15] << 13; | |
227 | p1 |= arr[14] << 15; | |
228 | p1 |= arr[13] << 12; | |
229 | p1 |= arr[12] << 14; | |
230 | ||
231 | p1 |= arr[11] << 6; | |
232 | p1 |= arr[10] << 2; | |
233 | p1 |= arr[9] << 7; | |
234 | p1 |= arr[8] << 1; | |
235 | ||
236 | p1 |= arr[7] << 0; | |
237 | p1 |= arr[6] << 8; | |
238 | p1 |= arr[5] << 11; | |
239 | p1 |= arr[4] << 3; | |
240 | ||
241 | p1 |= arr[3] << 10; | |
242 | p1 |= arr[2] << 4; | |
243 | p1 |= arr[1] << 5; | |
244 | p1 |= arr[0] << 9; | |
2767fc02 | 245 | PrintAndLog("Pattern 1 : %d [0x%X]", p1, p1); |
e0165dcf | 246 | |
247 | uint16_t sebury1 = id & 0xFFFF; | |
248 | uint8_t sebury2 = (id >> 16) & 0x7F; | |
249 | uint32_t sebury3 = id & 0x7FFFFF; | |
2767fc02 | 250 | PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3); |
e0165dcf | 251 | } |
252 | } | |
253 | return; | |
eb191de6 | 254 | } |
255 | ||
fef74fdc | 256 | int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ) |
13d77ef9 | 257 | { |
fef74fdc | 258 | size_t idx = 0; |
259 | size_t BitLen = DemodBufferLen; | |
260 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
261 | memcpy(BitStream, DemodBuffer, BitLen); | |
262 | if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){ | |
263 | //set GraphBuffer for clone or sim command | |
264 | setDemodBuf(BitStream, BitLen, idx); | |
e0165dcf | 265 | if (g_debugMode){ |
fef74fdc | 266 | PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); |
e0165dcf | 267 | printDemodBuff(); |
268 | } | |
fef74fdc | 269 | if (verbose){ |
270 | PrintAndLog("EM410x pattern found: "); | |
271 | printEM410x(*hi, *lo); | |
272 | } | |
e0165dcf | 273 | return 1; |
274 | } | |
275 | return 0; | |
13d77ef9 | 276 | } |
fef74fdc | 277 | |
278 | int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) | |
279 | { | |
d1869c33 | 280 | bool st = TRUE; |
281 | if (!ASKDemod_ext(Cmd, FALSE, FALSE, 1, &st)) return 0; | |
fef74fdc | 282 | return AskEm410xDecode(verbose, hi, lo); |
283 | } | |
284 | ||
e888ed8e | 285 | //by marshmellow |
e770c648 | 286 | //takes 3 arguments - clock, invert and maxErr as integers |
287 | //attempts to demodulate ask while decoding manchester | |
288 | //prints binary found and saves in graphbuffer for further commands | |
289 | int CmdAskEM410xDemod(const char *Cmd) | |
290 | { | |
e0165dcf | 291 | char cmdp = param_getchar(Cmd, 0); |
292 | if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { | |
293 | PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]"); | |
294 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
295 | PrintAndLog(" <invert>, 1 for invert output"); | |
296 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
297 | PrintAndLog(""); | |
298 | PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer"); | |
299 | PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32"); | |
300 | PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data"); | |
301 | PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data"); | |
302 | PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"); | |
303 | return 0; | |
304 | } | |
e0165dcf | 305 | uint64_t lo = 0; |
fef74fdc | 306 | uint32_t hi = 0; |
307 | return AskEm410xDemod(Cmd, &hi, &lo, true); | |
e770c648 | 308 | } |
309 | ||
fef74fdc | 310 | //by marshmellow |
311 | //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a' | |
312 | // (amp may not be needed anymore) | |
313 | //verbose will print results and demoding messages | |
314 | //emSearch will auto search for EM410x format in bitstream | |
315 | //askType switches decode: ask/raw = 0, ask/manchester = 1 | |
d1869c33 | 316 | int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, bool *stCheck) { |
e0165dcf | 317 | int invert=0; |
318 | int clk=0; | |
319 | int maxErr=100; | |
fef74fdc | 320 | int maxLen=0; |
01d0f8ae | 321 | uint8_t askamp = 0; |
fef74fdc | 322 | char amp = param_getchar(Cmd, 0); |
e0165dcf | 323 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
fef74fdc | 324 | sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &); |
ace26dbd | 325 | if (!maxLen) maxLen = BIGBUF_SIZE; |
e0165dcf | 326 | if (invert != 0 && invert != 1) { |
327 | PrintAndLog("Invalid argument: %s", Cmd); | |
328 | return 0; | |
329 | } | |
330 | if (clk==1){ | |
331 | invert=1; | |
332 | clk=0; | |
333 | } | |
334 | size_t BitLen = getFromGraphBuf(BitStream); | |
2767fc02 | 335 | if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen); |
d1869c33 | 336 | if (BitLen < 255) return 0; |
337 | if (maxLen < BitLen && maxLen != 0) BitLen = maxLen; | |
338 | int foundclk = 0; | |
01d0f8ae | 339 | //amp before ST check |
340 | if (amp == 'a' || amp == 'A') { | |
341 | askAmp(BitStream, BitLen); | |
342 | } | |
d1869c33 | 343 | bool st = false; |
344 | if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk); | |
345 | if (st) { | |
346 | *stCheck = st; | |
347 | clk = (clk == 0) ? foundclk : clk; | |
348 | if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator"); | |
349 | } | |
01d0f8ae | 350 | int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askamp, askType); |
fef74fdc | 351 | if (errCnt<0 || BitLen<16){ //if fatal error (or -1) |
2767fc02 | 352 | if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); |
e0165dcf | 353 | return 0; |
354 | } | |
d1869c33 | 355 | if (errCnt > maxErr){ |
2767fc02 | 356 | if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk); |
357 | return 0; | |
358 | } | |
359 | if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen); | |
e0165dcf | 360 | |
361 | //output | |
e0165dcf | 362 | setDemodBuf(BitStream,BitLen,0); |
fef74fdc | 363 | if (verbose || g_debugMode){ |
364 | if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); | |
8e2e6c8e | 365 | if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk); |
366 | else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk); | |
fef74fdc | 367 | // Now output the bitstream to the scrollback by line of 16 bits |
368 | printDemodBuff(); | |
369 | ||
370 | } | |
371 | uint64_t lo = 0; | |
372 | uint32_t hi = 0; | |
e0165dcf | 373 | if (emSearch){ |
fef74fdc | 374 | AskEm410xDecode(true, &hi, &lo); |
e0165dcf | 375 | } |
376 | return 1; | |
eb191de6 | 377 | } |
d1869c33 | 378 | int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) { |
379 | bool st = false; | |
380 | return ASKDemod_ext(Cmd, verbose, emSearch, askType, &st); | |
381 | } | |
eb191de6 | 382 | |
4ac906d1 | 383 | //by marshmellow |
fef74fdc | 384 | //takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a' |
4ac906d1 | 385 | //attempts to demodulate ask while decoding manchester |
386 | //prints binary found and saves in graphbuffer for further commands | |
387 | int Cmdaskmandemod(const char *Cmd) | |
388 | { | |
e0165dcf | 389 | char cmdp = param_getchar(Cmd, 0); |
01d0f8ae | 390 | if (strlen(Cmd) > 45 || cmdp == 'h' || cmdp == 'H') { |
d1869c33 | 391 | PrintAndLog("Usage: data rawdemod am <s> [clock] <invert> [maxError] [maxLen] [amplify]"); |
392 | PrintAndLog(" ['s'] optional, check for Sequence Terminator"); | |
fef74fdc | 393 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); |
394 | PrintAndLog(" <invert>, 1 to invert output"); | |
395 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
396 | PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); | |
397 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); | |
e0165dcf | 398 | PrintAndLog(""); |
399 | PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer"); | |
400 | PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); | |
401 | PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
402 | PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); | |
403 | PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
404 | return 0; | |
405 | } | |
d1869c33 | 406 | bool st = TRUE; |
407 | if (Cmd[0]=='s') | |
408 | return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st); | |
409 | else if (Cmd[1] == 's') | |
410 | return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st); | |
411 | else | |
412 | return ASKDemod(Cmd, TRUE, TRUE, 1); | |
4ac906d1 | 413 | } |
414 | ||
eb191de6 | 415 | //by marshmellow |
d5a72d2f | 416 | //manchester decode |
eb191de6 | 417 | //stricktly take 10 and 01 and convert to 0 and 1 |
418 | int Cmdmandecoderaw(const char *Cmd) | |
419 | { | |
e0165dcf | 420 | int i =0; |
421 | int errCnt=0; | |
422 | size_t size=0; | |
fef74fdc | 423 | int invert=0; |
6ac4cb27 | 424 | int maxErr = 20; |
e0165dcf | 425 | char cmdp = param_getchar(Cmd, 0); |
1f918317 | 426 | if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') { |
fef74fdc | 427 | PrintAndLog("Usage: data manrawdecode [invert] [maxErr]"); |
e0165dcf | 428 | PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively"); |
429 | PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); | |
fef74fdc | 430 | PrintAndLog(" [invert] invert output"); |
1f918317 | 431 | PrintAndLog(" [maxErr] set number of errors allowed (default = 20)"); |
e0165dcf | 432 | PrintAndLog(""); |
433 | PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer"); | |
434 | return 0; | |
435 | } | |
436 | if (DemodBufferLen==0) return 0; | |
437 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
438 | int high=0,low=0; | |
439 | for (;i<DemodBufferLen;++i){ | |
440 | if (DemodBuffer[i]>high) high=DemodBuffer[i]; | |
441 | else if(DemodBuffer[i]<low) low=DemodBuffer[i]; | |
442 | BitStream[i]=DemodBuffer[i]; | |
443 | } | |
1f918317 | 444 | if (high>7 || low <0 ){ |
2767fc02 | 445 | PrintAndLog("Error: please raw demod the wave first then manchester raw decode"); |
e0165dcf | 446 | return 0; |
447 | } | |
1f918317 | 448 | |
fef74fdc | 449 | sscanf(Cmd, "%i %i", &invert, &maxErr); |
e0165dcf | 450 | size=i; |
fef74fdc | 451 | errCnt=manrawdecode(BitStream, &size, invert); |
e0165dcf | 452 | if (errCnt>=maxErr){ |
453 | PrintAndLog("Too many errors: %d",errCnt); | |
454 | return 0; | |
455 | } | |
456 | PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt); | |
2767fc02 | 457 | PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); |
e0165dcf | 458 | if (errCnt==0){ |
459 | uint64_t id = 0; | |
460 | uint32_t hi = 0; | |
461 | size_t idx=0; | |
462 | if (Em410xDecode(BitStream, &size, &idx, &hi, &id)){ | |
463 | //need to adjust to set bitstream back to manchester encoded data | |
464 | //setDemodBuf(BitStream, size, idx); | |
465 | ||
466 | printEM410x(hi, id); | |
467 | } | |
468 | } | |
469 | return 1; | |
d5a72d2f | 470 | } |
471 | ||
472 | //by marshmellow | |
473 | //biphase decode | |
474 | //take 01 or 10 = 0 and 11 or 00 = 1 | |
1e090a61 | 475 | //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit |
476 | // and "invert" default = 0 if 1 it will invert output | |
2767fc02 | 477 | // the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects] |
d5a72d2f | 478 | int CmdBiphaseDecodeRaw(const char *Cmd) |
479 | { | |
ba1a299c | 480 | size_t size=0; |
b41534d1 | 481 | int offset=0, invert=0, maxErr=20, errCnt=0; |
b4fb11ba | 482 | char cmdp = param_getchar(Cmd, 0); |
483 | if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') { | |
b41534d1 | 484 | PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]"); |
485 | PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0"); | |
b4fb11ba | 486 | PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); |
e0165dcf | 487 | PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); |
b4fb11ba | 488 | PrintAndLog(""); |
489 | PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position"); | |
490 | PrintAndLog(" [invert <0|1>], set to 1 to invert output"); | |
b41534d1 | 491 | PrintAndLog(" [maxErr int], set max errors tolerated - default=20"); |
b4fb11ba | 492 | PrintAndLog(""); |
493 | PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer"); | |
494 | PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output"); | |
495 | return 0; | |
496 | } | |
b41534d1 | 497 | sscanf(Cmd, "%i %i %i", &offset, &invert, &maxErr); |
498 | if (DemodBufferLen==0){ | |
499 | PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first"); | |
b4fb11ba | 500 | return 0; |
501 | } | |
b41534d1 | 502 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
503 | memcpy(BitStream, DemodBuffer, DemodBufferLen); | |
504 | size = DemodBufferLen; | |
1e090a61 | 505 | errCnt=BiphaseRawDecode(BitStream, &size, offset, invert); |
b41534d1 | 506 | if (errCnt<0){ |
507 | PrintAndLog("Error during decode:%d", errCnt); | |
508 | return 0; | |
509 | } | |
510 | if (errCnt>maxErr){ | |
b4fb11ba | 511 | PrintAndLog("Too many errors attempting to decode: %d",errCnt); |
512 | return 0; | |
513 | } | |
b41534d1 | 514 | |
515 | if (errCnt>0){ | |
2767fc02 | 516 | PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt); |
b41534d1 | 517 | } |
518 | PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert); | |
2767fc02 | 519 | PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); |
b41534d1 | 520 | |
521 | if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod | |
b4fb11ba | 522 | return 1; |
eb191de6 | 523 | } |
524 | ||
b41534d1 | 525 | //by marshmellow |
526 | // - ASK Demod then Biphase decode GraphBuffer samples | |
527 | int ASKbiphaseDemod(const char *Cmd, bool verbose) | |
528 | { | |
529 | //ask raw demod GraphBuffer first | |
c7d67212 | 530 | int offset=0, clk=0, invert=0, maxErr=0; |
531 | sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr); | |
b41534d1 | 532 | |
8e2e6c8e | 533 | uint8_t BitStream[MAX_DEMOD_BUF_LEN]; |
534 | size_t size = getFromGraphBuf(BitStream); | |
fd227f4e | 535 | //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer |
c7d67212 | 536 | int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); |
8e2e6c8e | 537 | if ( errCnt < 0 || errCnt > maxErr ) { |
538 | if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | //attempt to Biphase decode BitStream | |
543 | errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); | |
b41534d1 | 544 | if (errCnt < 0){ |
545 | if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); | |
546 | return 0; | |
547 | } | |
548 | if (errCnt > maxErr) { | |
549 | if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode too many errors: %d", errCnt); | |
550 | return 0; | |
551 | } | |
552 | //success set DemodBuffer and return | |
553 | setDemodBuf(BitStream, size, 0); | |
554 | if (g_debugMode || verbose){ | |
8e2e6c8e | 555 | PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt); |
b41534d1 | 556 | printDemodBuff(); |
557 | } | |
558 | return 1; | |
559 | } | |
560 | //by marshmellow - see ASKbiphaseDemod | |
561 | int Cmdaskbiphdemod(const char *Cmd) | |
562 | { | |
e0165dcf | 563 | char cmdp = param_getchar(Cmd, 0); |
fef74fdc | 564 | if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') { |
565 | PrintAndLog("Usage: data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>"); | |
e0165dcf | 566 | PrintAndLog(" [offset], offset to begin biphase, default=0"); |
567 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); | |
568 | PrintAndLog(" <invert>, 1 to invert output"); | |
569 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
fef74fdc | 570 | PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); |
e0165dcf | 571 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); |
572 | PrintAndLog(" NOTE: <invert> can be entered as second or third argument"); | |
573 | PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument"); | |
574 | PrintAndLog(" NOTE: any other arg must have previous args set to work"); | |
575 | PrintAndLog(""); | |
576 | PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); | |
577 | PrintAndLog(""); | |
fef74fdc | 578 | PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer"); |
579 | PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified"); | |
580 | PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32"); | |
581 | PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
582 | PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data"); | |
583 | PrintAndLog(" : data rawdemod ab 0 64 1 0 = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
584 | PrintAndLog(" : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); | |
e0165dcf | 585 | return 0; |
586 | } | |
587 | return ASKbiphaseDemod(Cmd, TRUE); | |
b41534d1 | 588 | } |
589 | ||
8d960002 | 590 | //by marshmellow |
591 | //attempts to demodulate and identify a G_Prox_II verex/chubb card | |
592 | //WARNING: if it fails during some points it will destroy the DemodBuffer data | |
593 | // but will leave the GraphBuffer intact. | |
594 | //if successful it will push askraw data back to demod buffer ready for emulation | |
595 | int CmdG_Prox_II_Demod(const char *Cmd) | |
596 | { | |
e0165dcf | 597 | if (!ASKbiphaseDemod(Cmd, FALSE)){ |
88e85bde | 598 | if (g_debugMode) PrintAndLog("Error gProxII: ASKbiphaseDemod failed 1st try"); |
e0165dcf | 599 | return 0; |
600 | } | |
601 | size_t size = DemodBufferLen; | |
602 | //call lfdemod.c demod for gProxII | |
603 | int ans = gProxII_Demod(DemodBuffer, &size); | |
604 | if (ans < 0){ | |
605 | if (g_debugMode) PrintAndLog("Error gProxII_Demod"); | |
606 | return 0; | |
607 | } | |
88e85bde | 608 | //got a good demod of 96 bits |
31e8a4f2 | 609 | uint8_t ByteStream[8] = {0x00}; |
e0165dcf | 610 | uint8_t xorKey=0; |
88e85bde | 611 | size_t startIdx = ans + 6; //start after 6 bit preamble |
612 | ||
613 | uint8_t bits_no_spacer[90]; | |
614 | //so as to not mess with raw DemodBuffer copy to a new sample array | |
615 | memcpy(bits_no_spacer, DemodBuffer + startIdx, 90); | |
616 | // remove the 18 (90/5=18) parity bits (down to 72 bits (96-6-18=72)) | |
617 | size_t bitLen = removeParity(bits_no_spacer, 0, 5, 3, 90); //source, startloc, paritylen, ptype, length_to_run | |
618 | if (bitLen != 72) { | |
619 | if (g_debugMode) PrintAndLog("Error gProxII: spacer removal did not produce 72 bits: %u, start: %u", bitLen, startIdx); | |
620 | return 0; | |
e0165dcf | 621 | } |
88e85bde | 622 | // get key and then get all 8 bytes of payload decoded |
623 | xorKey = (uint8_t)bytebits_to_byteLSBF(bits_no_spacer, 8); | |
624 | for (size_t idx = 0; idx < 8; idx++) { | |
625 | ByteStream[idx] = ((uint8_t)bytebits_to_byteLSBF(bits_no_spacer+8 + (idx*8),8)) ^ xorKey; | |
626 | if (g_debugMode) PrintAndLog("byte %u after xor: %02x", (unsigned int)idx, ByteStream[idx]); | |
e0165dcf | 627 | } |
88e85bde | 628 | //now ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data |
e0165dcf | 629 | // |
630 | uint8_t fmtLen = ByteStream[0]>>2; | |
631 | uint32_t FC = 0; | |
632 | uint32_t Card = 0; | |
88e85bde | 633 | //get raw 96 bits to print |
e0165dcf | 634 | uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32); |
635 | uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32); | |
636 | uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32); | |
637 | ||
638 | if (fmtLen==36){ | |
639 | FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1); | |
640 | Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5); | |
88e85bde | 641 | PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card); |
e0165dcf | 642 | } else if(fmtLen==26){ |
643 | FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7); | |
644 | Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7); | |
88e85bde | 645 | PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card); |
e0165dcf | 646 | } else { |
d1869c33 | 647 | PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",(int)fmtLen); |
31e8a4f2 | 648 | PrintAndLog("Decoded Raw: %s", sprint_hex(ByteStream, 8)); |
e0165dcf | 649 | } |
650 | PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3); | |
651 | setDemodBuf(DemodBuffer+ans, 96, 0); | |
652 | return 1; | |
8d960002 | 653 | } |
654 | ||
415274a7 | 655 | //by marshmellow |
656 | //see ASKDemod for what args are accepted | |
657 | int CmdVikingDemod(const char *Cmd) | |
658 | { | |
659 | if (!ASKDemod(Cmd, false, false, 1)) { | |
660 | if (g_debugMode) PrintAndLog("ASKDemod failed"); | |
661 | return 0; | |
662 | } | |
663 | size_t size = DemodBufferLen; | |
f6650679 | 664 | //call lfdemod.c demod for Viking |
415274a7 | 665 | int ans = VikingDemod_AM(DemodBuffer, &size); |
666 | if (ans < 0) { | |
14331320 | 667 | if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans); |
415274a7 | 668 | return 0; |
669 | } | |
670 | //got a good demod | |
671 | uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32); | |
672 | uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32); | |
673 | uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32); | |
709665b5 | 674 | uint8_t checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8); |
d1869c33 | 675 | PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, (unsigned int) checksum); |
415274a7 | 676 | PrintAndLog("Raw: %08X%08X", raw1,raw2); |
677 | setDemodBuf(DemodBuffer+ans, 64, 0); | |
678 | return 1; | |
679 | } | |
680 | ||
fef74fdc | 681 | //by marshmellow - see ASKDemod |
4ac906d1 | 682 | int Cmdaskrawdemod(const char *Cmd) |
683 | { | |
e0165dcf | 684 | char cmdp = param_getchar(Cmd, 0); |
01d0f8ae | 685 | if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H') { |
fef74fdc | 686 | PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]"); |
e0165dcf | 687 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); |
688 | PrintAndLog(" <invert>, 1 to invert output"); | |
689 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
fef74fdc | 690 | PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)"); |
e0165dcf | 691 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); |
692 | PrintAndLog(""); | |
fef74fdc | 693 | PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer"); |
694 | PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified"); | |
695 | PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); | |
696 | PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
697 | PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data"); | |
698 | PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
699 | PrintAndLog(" : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); | |
e0165dcf | 700 | return 0; |
701 | } | |
fef74fdc | 702 | return ASKDemod(Cmd, TRUE, FALSE, 0); |
4ac906d1 | 703 | } |
704 | ||
73d04bb4 | 705 | int AutoCorrelate(int window, bool SaveGrph, bool verbose) |
7fe9b0b7 | 706 | { |
e0165dcf | 707 | static int CorrelBuffer[MAX_GRAPH_TRACE_LEN]; |
708 | size_t Correlation = 0; | |
709 | int maxSum = 0; | |
710 | int lastMax = 0; | |
711 | if (verbose) PrintAndLog("performing %d correlations", GraphTraceLen - window); | |
712 | for (int i = 0; i < GraphTraceLen - window; ++i) { | |
713 | int sum = 0; | |
714 | for (int j = 0; j < window; ++j) { | |
715 | sum += (GraphBuffer[j]*GraphBuffer[i + j]) / 256; | |
716 | } | |
717 | CorrelBuffer[i] = sum; | |
718 | if (sum >= maxSum-100 && sum <= maxSum+100){ | |
719 | //another max | |
720 | Correlation = i-lastMax; | |
721 | lastMax = i; | |
722 | if (sum > maxSum) maxSum = sum; | |
723 | } else if (sum > maxSum){ | |
724 | maxSum=sum; | |
725 | lastMax = i; | |
726 | } | |
727 | } | |
728 | if (Correlation==0){ | |
729 | //try again with wider margin | |
730 | for (int i = 0; i < GraphTraceLen - window; i++){ | |
731 | if (CorrelBuffer[i] >= maxSum-(maxSum*0.05) && CorrelBuffer[i] <= maxSum+(maxSum*0.05)){ | |
732 | //another max | |
733 | Correlation = i-lastMax; | |
734 | lastMax = i; | |
735 | //if (CorrelBuffer[i] > maxSum) maxSum = sum; | |
736 | } | |
737 | } | |
738 | } | |
739 | if (verbose && Correlation > 0) PrintAndLog("Possible Correlation: %d samples",Correlation); | |
740 | ||
741 | if (SaveGrph){ | |
742 | GraphTraceLen = GraphTraceLen - window; | |
743 | memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int)); | |
744 | RepaintGraphWindow(); | |
745 | } | |
746 | return Correlation; | |
73d04bb4 | 747 | } |
7fe9b0b7 | 748 | |
9f7bbd24 | 749 | int usage_data_autocorr(void) |
750 | { | |
e0165dcf | 751 | //print help |
752 | PrintAndLog("Usage: data autocorr [window] [g]"); | |
753 | PrintAndLog("Options: "); | |
754 | PrintAndLog(" h This help"); | |
755 | PrintAndLog(" [window] window length for correlation - default = 4000"); | |
756 | PrintAndLog(" g save back to GraphBuffer (overwrite)"); | |
757 | return 0; | |
9f7bbd24 | 758 | } |
759 | ||
73d04bb4 | 760 | int CmdAutoCorr(const char *Cmd) |
761 | { | |
e0165dcf | 762 | char cmdp = param_getchar(Cmd, 0); |
763 | if (cmdp == 'h' || cmdp == 'H') | |
764 | return usage_data_autocorr(); | |
765 | int window = 4000; //set default | |
766 | char grph=0; | |
767 | bool updateGrph = FALSE; | |
768 | sscanf(Cmd, "%i %c", &window, &grph); | |
769 | ||
770 | if (window >= GraphTraceLen) { | |
771 | PrintAndLog("window must be smaller than trace (%d samples)", | |
772 | GraphTraceLen); | |
773 | return 0; | |
774 | } | |
775 | if (grph == 'g') updateGrph=TRUE; | |
776 | return AutoCorrelate(window, updateGrph, TRUE); | |
7fe9b0b7 | 777 | } |
778 | ||
779 | int CmdBitsamples(const char *Cmd) | |
780 | { | |
e0165dcf | 781 | int cnt = 0; |
782 | uint8_t got[12288]; | |
952a8bb5 | 783 | |
e0165dcf | 784 | GetFromBigBuf(got,sizeof(got),0); |
785 | WaitForResponse(CMD_ACK,NULL); | |
7fe9b0b7 | 786 | |
e0165dcf | 787 | for (int j = 0; j < sizeof(got); j++) { |
788 | for (int k = 0; k < 8; k++) { | |
789 | if(got[j] & (1 << (7 - k))) { | |
790 | GraphBuffer[cnt++] = 1; | |
791 | } else { | |
792 | GraphBuffer[cnt++] = 0; | |
793 | } | |
794 | } | |
795 | } | |
796 | GraphTraceLen = cnt; | |
797 | RepaintGraphWindow(); | |
798 | return 0; | |
7fe9b0b7 | 799 | } |
800 | ||
7fe9b0b7 | 801 | int CmdBuffClear(const char *Cmd) |
802 | { | |
e0165dcf | 803 | UsbCommand c = {CMD_BUFF_CLEAR}; |
804 | SendCommand(&c); | |
805 | ClearGraph(true); | |
806 | return 0; | |
7fe9b0b7 | 807 | } |
808 | ||
809 | int CmdDec(const char *Cmd) | |
810 | { | |
e0165dcf | 811 | for (int i = 0; i < (GraphTraceLen / 2); ++i) |
812 | GraphBuffer[i] = GraphBuffer[i * 2]; | |
813 | GraphTraceLen /= 2; | |
814 | PrintAndLog("decimated by 2"); | |
815 | RepaintGraphWindow(); | |
816 | return 0; | |
7fe9b0b7 | 817 | } |
698b649e MHS |
818 | /** |
819 | * Undecimate - I'd call it 'interpolate', but we'll save that | |
820 | * name until someone does an actual interpolation command, not just | |
821 | * blindly repeating samples | |
822 | * @param Cmd | |
823 | * @return | |
824 | */ | |
825 | int CmdUndec(const char *Cmd) | |
826 | { | |
c856ceae MHS |
827 | if(param_getchar(Cmd, 0) == 'h') |
828 | { | |
829 | PrintAndLog("Usage: data undec [factor]"); | |
830 | PrintAndLog("This function performs un-decimation, by repeating each sample N times"); | |
831 | PrintAndLog("Options: "); | |
832 | PrintAndLog(" h This help"); | |
833 | PrintAndLog(" factor The number of times to repeat each sample.[default:2]"); | |
834 | PrintAndLog("Example: 'data undec 3'"); | |
835 | return 0; | |
836 | } | |
837 | ||
838 | uint8_t factor = param_get8ex(Cmd, 0,2, 10); | |
698b649e MHS |
839 | //We have memory, don't we? |
840 | int swap[MAX_GRAPH_TRACE_LEN] = { 0 }; | |
72c5877a | 841 | uint32_t g_index = 0, s_index = 0; |
842 | while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN) | |
698b649e | 843 | { |
c856ceae | 844 | int count = 0; |
72c5877a | 845 | for(count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++) |
c856ceae | 846 | swap[s_index+count] = GraphBuffer[g_index]; |
72c5877a | 847 | |
848 | s_index += count; | |
849 | g_index++; | |
698b649e | 850 | } |
698b649e | 851 | |
72c5877a | 852 | memcpy(GraphBuffer, swap, s_index * sizeof(int)); |
c856ceae MHS |
853 | GraphTraceLen = s_index; |
854 | RepaintGraphWindow(); | |
698b649e MHS |
855 | return 0; |
856 | } | |
7fe9b0b7 | 857 | |
ec75f5c1 | 858 | //by marshmellow |
859 | //shift graph zero up or down based on input + or - | |
860 | int CmdGraphShiftZero(const char *Cmd) | |
861 | { | |
862 | ||
e0165dcf | 863 | int shift=0; |
864 | //set options from parameters entered with the command | |
865 | sscanf(Cmd, "%i", &shift); | |
866 | int shiftedVal=0; | |
867 | for(int i = 0; i<GraphTraceLen; i++){ | |
868 | shiftedVal=GraphBuffer[i]+shift; | |
869 | if (shiftedVal>127) | |
870 | shiftedVal=127; | |
871 | else if (shiftedVal<-127) | |
872 | shiftedVal=-127; | |
873 | GraphBuffer[i]= shiftedVal; | |
874 | } | |
875 | CmdNorm(""); | |
876 | return 0; | |
ec75f5c1 | 877 | } |
878 | ||
6de43508 | 879 | //by marshmellow |
880 | //use large jumps in read samples to identify edges of waves and then amplify that wave to max | |
2767fc02 | 881 | //similar to dirtheshold, threshold commands |
6de43508 | 882 | //takes a threshold length which is the measured length between two samples then determines an edge |
883 | int CmdAskEdgeDetect(const char *Cmd) | |
884 | { | |
e0165dcf | 885 | int thresLen = 25; |
de53156e | 886 | int Last = 0; |
e0165dcf | 887 | sscanf(Cmd, "%i", &thresLen); |
49bbc60a | 888 | |
e0165dcf | 889 | for(int i = 1; i<GraphTraceLen; i++){ |
890 | if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up | |
de53156e | 891 | Last = 127; |
e0165dcf | 892 | else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down |
de53156e | 893 | Last = -127; |
894 | GraphBuffer[i-1] = Last; | |
e0165dcf | 895 | } |
896 | RepaintGraphWindow(); | |
e0165dcf | 897 | return 0; |
6de43508 | 898 | } |
899 | ||
7fe9b0b7 | 900 | /* Print our clock rate */ |
ba1a299c | 901 | // uses data from graphbuffer |
f3bf15e4 | 902 | // adjusted to take char parameter for type of modulation to find the clock - by marshmellow. |
7fe9b0b7 | 903 | int CmdDetectClockRate(const char *Cmd) |
904 | { | |
f3bf15e4 | 905 | char cmdp = param_getchar(Cmd, 0); |
fef74fdc | 906 | if (strlen(Cmd) > 6 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') { |
907 | PrintAndLog("Usage: data detectclock [modulation] <clock>"); | |
f3bf15e4 | 908 | PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of"); |
fef74fdc | 909 | PrintAndLog(" <clock> , specify the clock (optional - to get best start position only)"); |
f3bf15e4 | 910 | PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk"); |
911 | PrintAndLog(""); | |
912 | PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer"); | |
913 | PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer"); | |
914 | PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer"); | |
915 | PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer"); | |
916 | } | |
917 | int ans=0; | |
918 | if (cmdp == 'a'){ | |
fef74fdc | 919 | ans = GetAskClock(Cmd+1, true, false); |
f3bf15e4 | 920 | } else if (cmdp == 'f'){ |
921 | ans = GetFskClock("", true, false); | |
922 | } else if (cmdp == 'n'){ | |
923 | ans = GetNrzClock("", true, false); | |
924 | } else if (cmdp == 'p'){ | |
925 | ans = GetPskClock("", true, false); | |
926 | } else { | |
927 | PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help"); | |
928 | } | |
929 | return ans; | |
7fe9b0b7 | 930 | } |
66707a3b | 931 | |
2767fc02 | 932 | char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert) |
933 | { | |
0c50084a | 934 | static char fType[8]; |
9e4cee22 | 935 | memset(fType, 0x00, 8); |
0c50084a | 936 | char *fskType = fType; |
2767fc02 | 937 | if (fchigh==10 && fclow==8){ |
938 | if (invert) //fsk2a | |
38b35095 | 939 | memcpy(fskType, "FSK2a", 5); |
2767fc02 | 940 | else //fsk2 |
38b35095 | 941 | memcpy(fskType, "FSK2", 4); |
2767fc02 | 942 | } else if (fchigh == 8 && fclow == 5) { |
943 | if (invert) | |
38b35095 | 944 | memcpy(fskType, "FSK1", 4); |
2767fc02 | 945 | else |
38b35095 | 946 | memcpy(fskType, "FSK1a", 5); |
2767fc02 | 947 | } else { |
38b35095 | 948 | memcpy(fskType, "FSK??", 5); |
2767fc02 | 949 | } |
950 | return fskType; | |
951 | } | |
952 | ||
2fc2150e | 953 | //by marshmellow |
eb191de6 | 954 | //fsk raw demod and print binary |
6de43508 | 955 | //takes 4 arguments - Clock, invert, fchigh, fclow |
956 | //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) | |
4ac906d1 | 957 | int FSKrawDemod(const char *Cmd, bool verbose) |
b3b70669 | 958 | { |
e0165dcf | 959 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
506672c4 | 960 | uint8_t rfLen, invert, fchigh, fclow; |
506672c4 | 961 | //set defaults |
e0165dcf | 962 | //set options from parameters entered with the command |
6ca1477c | 963 | rfLen = param_get8(Cmd, 0); |
964 | invert = param_get8(Cmd, 1); | |
965 | fchigh = param_get8(Cmd, 2); | |
966 | fclow = param_get8(Cmd, 3); | |
d1869c33 | 967 | |
e0165dcf | 968 | if (strlen(Cmd)>0 && strlen(Cmd)<=2) { |
a0cc89b4 | 969 | if (rfLen==1) { |
2eec55c8 | 970 | invert = 1; //if invert option only is used |
e0165dcf | 971 | rfLen = 0; |
a0cc89b4 | 972 | } |
e0165dcf | 973 | } |
e0165dcf | 974 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
975 | size_t BitLen = getFromGraphBuf(BitStream); | |
976 | if (BitLen==0) return 0; | |
977 | //get field clock lengths | |
a0cc89b4 | 978 | uint16_t fcs=0; |
506672c4 | 979 | if (!fchigh || !fclow) { |
a0cc89b4 | 980 | fcs = countFC(BitStream, BitLen, 1); |
981 | if (!fcs) { | |
982 | fchigh = 10; | |
983 | fclow = 8; | |
984 | } else { | |
985 | fchigh = (fcs >> 8) & 0x00FF; | |
986 | fclow = fcs & 0x00FF; | |
e0165dcf | 987 | } |
988 | } | |
989 | //get bit clock length | |
a0cc89b4 | 990 | if (!rfLen) { |
e0165dcf | 991 | rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow); |
506672c4 | 992 | if (!rfLen) rfLen = 50; |
e0165dcf | 993 | } |
506672c4 | 994 | int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow); |
a0cc89b4 | 995 | if (size > 0) { |
e0165dcf | 996 | setDemodBuf(BitStream,size,0); |
997 | ||
998 | // Now output the bitstream to the scrollback by line of 16 bits | |
2767fc02 | 999 | if (verbose || g_debugMode) { |
a0cc89b4 | 1000 | PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow); |
2767fc02 | 1001 | PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert)); |
1002 | printDemodBuff(); | |
e0165dcf | 1003 | } |
d1869c33 | 1004 | |
e0165dcf | 1005 | return 1; |
506672c4 | 1006 | } else { |
2767fc02 | 1007 | if (g_debugMode) PrintAndLog("no FSK data found"); |
e0165dcf | 1008 | } |
1009 | return 0; | |
b3b70669 | 1010 | } |
1011 | ||
4ac906d1 | 1012 | //by marshmellow |
1013 | //fsk raw demod and print binary | |
1014 | //takes 4 arguments - Clock, invert, fchigh, fclow | |
1015 | //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) | |
1016 | int CmdFSKrawdemod(const char *Cmd) | |
1017 | { | |
e0165dcf | 1018 | char cmdp = param_getchar(Cmd, 0); |
01d0f8ae | 1019 | if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H') { |
e0165dcf | 1020 | PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]"); |
1021 | PrintAndLog(" [set clock as integer] optional, omit for autodetect."); | |
1022 | PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted"); | |
1023 | PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); | |
1024 | PrintAndLog(" [fclow], small field clock length, omit for autodetect"); | |
1025 | PrintAndLog(""); | |
1026 | PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect"); | |
1027 | PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); | |
1028 | PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); | |
1029 | PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); | |
1030 | PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); | |
1031 | PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); | |
1032 | PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); | |
1033 | return 0; | |
1034 | } | |
1035 | return FSKrawDemod(Cmd, TRUE); | |
4ac906d1 | 1036 | } |
1037 | ||
eb191de6 | 1038 | //by marshmellow (based on existing demod + holiman's refactor) |
1039 | //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) | |
1040 | //print full HID Prox ID and some bit format details if found | |
b3b70669 | 1041 | int CmdFSKdemodHID(const char *Cmd) |
1042 | { | |
e0165dcf | 1043 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1044 | uint32_t hi2=0, hi=0, lo=0; | |
1045 | ||
1046 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1047 | size_t BitLen = getFromGraphBuf(BitStream); | |
1048 | if (BitLen==0) return 0; | |
1049 | //get binary from fsk wave | |
1050 | int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); | |
1051 | if (idx<0){ | |
1052 | if (g_debugMode){ | |
1053 | if (idx==-1){ | |
1054 | PrintAndLog("DEBUG: Just Noise Detected"); | |
1055 | } else if (idx == -2) { | |
1056 | PrintAndLog("DEBUG: Error demoding fsk"); | |
1057 | } else if (idx == -3) { | |
1058 | PrintAndLog("DEBUG: Preamble not found"); | |
1059 | } else if (idx == -4) { | |
1060 | PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen); | |
1061 | } else { | |
1062 | PrintAndLog("DEBUG: Error demoding fsk %d", idx); | |
1063 | } | |
1064 | } | |
1065 | return 0; | |
1066 | } | |
1067 | if (hi2==0 && hi==0 && lo==0) { | |
1068 | if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); | |
1069 | return 0; | |
1070 | } | |
1071 | if (hi2 != 0){ //extra large HID tags | |
1072 | PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", | |
1073 | (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); | |
1074 | } | |
1075 | else { //standard HID tags <38 bits | |
1076 | uint8_t fmtLen = 0; | |
1077 | uint32_t fc = 0; | |
1078 | uint32_t cardnum = 0; | |
1079 | if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used | |
1080 | uint32_t lo2=0; | |
1081 | lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit | |
1082 | uint8_t idx3 = 1; | |
1083 | while(lo2>1){ //find last bit set to 1 (format len bit) | |
1084 | lo2=lo2>>1; | |
1085 | idx3++; | |
1086 | } | |
1087 | fmtLen =idx3+19; | |
1088 | fc =0; | |
1089 | cardnum=0; | |
1090 | if(fmtLen==26){ | |
1091 | cardnum = (lo>>1)&0xFFFF; | |
1092 | fc = (lo>>17)&0xFF; | |
1093 | } | |
1094 | if(fmtLen==34){ | |
1095 | cardnum = (lo>>1)&0xFFFF; | |
1096 | fc= ((hi&1)<<15)|(lo>>17); | |
1097 | } | |
1098 | if(fmtLen==35){ | |
1099 | cardnum = (lo>>1)&0xFFFFF; | |
1100 | fc = ((hi&1)<<11)|(lo>>21); | |
1101 | } | |
1102 | } | |
1103 | else { //if bit 38 is not set then 37 bit format is used | |
1104 | fmtLen = 37; | |
1105 | fc = 0; | |
1106 | cardnum = 0; | |
1107 | if(fmtLen == 37){ | |
1108 | cardnum = (lo>>1)&0x7FFFF; | |
1109 | fc = ((hi&0xF)<<12)|(lo>>20); | |
1110 | } | |
1111 | } | |
1112 | PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", | |
1113 | (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, | |
1114 | (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); | |
1115 | } | |
1116 | setDemodBuf(BitStream,BitLen,idx); | |
1117 | if (g_debugMode){ | |
1118 | PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); | |
1119 | printDemodBuff(); | |
1120 | } | |
1121 | return 1; | |
ec75f5c1 | 1122 | } |
1123 | ||
04d2721b | 1124 | //by marshmellow |
1125 | //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded) | |
ec75f5c1 | 1126 | //print full Paradox Prox ID and some bit format details if found |
1127 | int CmdFSKdemodParadox(const char *Cmd) | |
1128 | { | |
e0165dcf | 1129 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1130 | uint32_t hi2=0, hi=0, lo=0; | |
1131 | ||
1132 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1133 | size_t BitLen = getFromGraphBuf(BitStream); | |
1134 | if (BitLen==0) return 0; | |
1135 | //get binary from fsk wave | |
1136 | int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); | |
1137 | if (idx<0){ | |
1138 | if (g_debugMode){ | |
1139 | if (idx==-1){ | |
1140 | PrintAndLog("DEBUG: Just Noise Detected"); | |
1141 | } else if (idx == -2) { | |
1142 | PrintAndLog("DEBUG: Error demoding fsk"); | |
1143 | } else if (idx == -3) { | |
1144 | PrintAndLog("DEBUG: Preamble not found"); | |
1145 | } else if (idx == -4) { | |
1146 | PrintAndLog("DEBUG: Error in Manchester data"); | |
1147 | } else { | |
1148 | PrintAndLog("DEBUG: Error demoding fsk %d", idx); | |
1149 | } | |
1150 | } | |
1151 | return 0; | |
1152 | } | |
1153 | if (hi2==0 && hi==0 && lo==0){ | |
1154 | if (g_debugMode) PrintAndLog("DEBUG: Error - no value found"); | |
1155 | return 0; | |
1156 | } | |
1157 | uint32_t fc = ((hi & 0x3)<<6) | (lo>>26); | |
1158 | uint32_t cardnum = (lo>>10)&0xFFFF; | |
1159 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); | |
1160 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); | |
1161 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); | |
1162 | ||
1163 | PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x", | |
1164 | hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo); | |
1165 | setDemodBuf(BitStream,BitLen,idx); | |
1166 | if (g_debugMode){ | |
1167 | PrintAndLog("DEBUG: idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); | |
1168 | printDemodBuff(); | |
1169 | } | |
1170 | return 1; | |
b3b70669 | 1171 | } |
1172 | ||
2fc2150e | 1173 | //by marshmellow |
eb191de6 | 1174 | //IO-Prox demod - FSK RF/64 with preamble of 000000001 |
1175 | //print ioprox ID and some format details | |
b3b70669 | 1176 | int CmdFSKdemodIO(const char *Cmd) |
1177 | { | |
e0165dcf | 1178 | int idx=0; |
1179 | //something in graphbuffer? | |
1180 | if (GraphTraceLen < 65) { | |
1181 | if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); | |
1182 | return 0; | |
1183 | } | |
1184 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1185 | size_t BitLen = getFromGraphBuf(BitStream); | |
1186 | if (BitLen==0) return 0; | |
1187 | ||
1188 | //get binary from fsk wave | |
1189 | idx = IOdemodFSK(BitStream,BitLen); | |
1190 | if (idx<0){ | |
1191 | if (g_debugMode){ | |
1192 | if (idx==-1){ | |
1193 | PrintAndLog("DEBUG: Just Noise Detected"); | |
1194 | } else if (idx == -2) { | |
1195 | PrintAndLog("DEBUG: not enough samples"); | |
1196 | } else if (idx == -3) { | |
1197 | PrintAndLog("DEBUG: error during fskdemod"); | |
1198 | } else if (idx == -4) { | |
1199 | PrintAndLog("DEBUG: Preamble not found"); | |
1200 | } else if (idx == -5) { | |
1201 | PrintAndLog("DEBUG: Separator bits not found"); | |
1202 | } else { | |
1203 | PrintAndLog("DEBUG: Error demoding fsk %d", idx); | |
1204 | } | |
1205 | } | |
1206 | return 0; | |
1207 | } | |
1208 | if (idx==0){ | |
2767fc02 | 1209 | if (g_debugMode){ |
e0165dcf | 1210 | PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); |
2767fc02 | 1211 | if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); |
e0165dcf | 1212 | } |
1213 | return 0; | |
1214 | } | |
1215 | //Index map | |
1216 | //0 10 20 30 40 50 60 | |
1217 | //| | | | | | | | |
1218 | //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 | |
1219 | //----------------------------------------------------------------------------- | |
1220 | //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 | |
1221 | // | |
1222 | //XSF(version)facility:codeone+codetwo (raw) | |
1223 | //Handle the data | |
1224 | if (idx+64>BitLen) { | |
2767fc02 | 1225 | if (g_debugMode) PrintAndLog("not enough bits found - bitlen: %d",BitLen); |
e0165dcf | 1226 | return 0; |
1227 | } | |
1228 | PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); | |
1229 | PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); | |
1230 | PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); | |
1231 | PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); | |
1232 | PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); | |
1233 | PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); | |
1234 | PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); | |
1235 | ||
1236 | uint32_t code = bytebits_to_byte(BitStream+idx,32); | |
1237 | uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); | |
1238 | uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 | |
1239 | uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; | |
1240 | uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 | |
1241 | uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); | |
1242 | uint16_t calccrc = 0; | |
1243 | ||
1244 | for (uint8_t i=1; i<6; ++i){ | |
1245 | calccrc += bytebits_to_byte(BitStream+idx+9*i,8); | |
e0165dcf | 1246 | } |
1247 | calccrc &= 0xff; | |
1248 | calccrc = 0xff - calccrc; | |
1249 | ||
1250 | char *crcStr = (crc == calccrc) ? "crc ok": "!crc"; | |
1251 | ||
1252 | PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); | |
1253 | setDemodBuf(BitStream,64,idx); | |
1254 | if (g_debugMode){ | |
1255 | PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); | |
1256 | printDemodBuff(); | |
1257 | } | |
1258 | return 1; | |
b3b70669 | 1259 | } |
1e090a61 | 1260 | |
1e090a61 | 1261 | //by marshmellow |
1262 | //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream) | |
1263 | //print full AWID Prox ID and some bit format details if found | |
1264 | int CmdFSKdemodAWID(const char *Cmd) | |
1265 | { | |
e0165dcf | 1266 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
1267 | size_t size = getFromGraphBuf(BitStream); | |
1268 | if (size==0) return 0; | |
1269 | ||
1270 | //get binary from fsk wave | |
1271 | int idx = AWIDdemodFSK(BitStream, &size); | |
1272 | if (idx<=0){ | |
6923d3f1 | 1273 | if (g_debugMode){ |
e0165dcf | 1274 | if (idx == -1) |
1275 | PrintAndLog("DEBUG: Error - not enough samples"); | |
1276 | else if (idx == -2) | |
1277 | PrintAndLog("DEBUG: Error - only noise found"); | |
1278 | else if (idx == -3) | |
1279 | PrintAndLog("DEBUG: Error - problem during FSK demod"); | |
1280 | else if (idx == -4) | |
1281 | PrintAndLog("DEBUG: Error - AWID preamble not found"); | |
1282 | else if (idx == -5) | |
1283 | PrintAndLog("DEBUG: Error - Size not correct: %d", size); | |
1284 | else | |
1285 | PrintAndLog("DEBUG: Error %d",idx); | |
1286 | } | |
1287 | return 0; | |
1288 | } | |
1289 | ||
1290 | // Index map | |
1291 | // 0 10 20 30 40 50 60 | |
1292 | // | | | | | | | | |
1293 | // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 | |
1294 | // ----------------------------------------------------------------------------- | |
1295 | // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 | |
1296 | // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 | |
1297 | // |---26 bit---| |-----117----||-------------142-------------| | |
1298 | // b = format bit len, o = odd parity of last 3 bits | |
1299 | // f = facility code, c = card number | |
1300 | // w = wiegand parity | |
1301 | // (26 bit format shown) | |
1e090a61 | 1302 | |
e0165dcf | 1303 | //get raw ID before removing parities |
1304 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); | |
1305 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); | |
1306 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); | |
1307 | setDemodBuf(BitStream,96,idx); | |
1308 | ||
1309 | size = removeParity(BitStream, idx+8, 4, 1, 88); | |
1310 | if (size != 66){ | |
6923d3f1 | 1311 | if (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format"); |
e0165dcf | 1312 | return 0; |
1313 | } | |
1314 | // ok valid card found! | |
1315 | ||
1316 | // Index map | |
1317 | // 0 10 20 30 40 50 60 | |
1318 | // | | | | | | | | |
1319 | // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 | |
1320 | // ----------------------------------------------------------------------------- | |
1321 | // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 | |
1322 | // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
1323 | // |26 bit| |-117--| |-----142------| | |
1324 | // b = format bit len, o = odd parity of last 3 bits | |
1325 | // f = facility code, c = card number | |
1326 | // w = wiegand parity | |
1327 | // (26 bit format shown) | |
1328 | ||
1329 | uint32_t fc = 0; | |
1330 | uint32_t cardnum = 0; | |
1331 | uint32_t code1 = 0; | |
1332 | uint32_t code2 = 0; | |
1333 | uint8_t fmtLen = bytebits_to_byte(BitStream,8); | |
1334 | if (fmtLen==26){ | |
1335 | fc = bytebits_to_byte(BitStream+9, 8); | |
1336 | cardnum = bytebits_to_byte(BitStream+17, 16); | |
1337 | code1 = bytebits_to_byte(BitStream+8,fmtLen); | |
1338 | PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); | |
1339 | } else { | |
1340 | cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); | |
1341 | if (fmtLen>32){ | |
1342 | code1 = bytebits_to_byte(BitStream+8,fmtLen-32); | |
1343 | code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); | |
1344 | PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); | |
1345 | } else{ | |
1346 | code1 = bytebits_to_byte(BitStream+8,fmtLen); | |
1347 | PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); | |
1348 | } | |
1349 | } | |
1350 | if (g_debugMode){ | |
1351 | PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); | |
1352 | printDemodBuff(); | |
1353 | } | |
1354 | //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands | |
1355 | return 1; | |
1e090a61 | 1356 | } |
1357 | ||
1358 | //by marshmellow | |
1359 | //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream) | |
1360 | //print full Farpointe Data/Pyramid Prox ID and some bit format details if found | |
1361 | int CmdFSKdemodPyramid(const char *Cmd) | |
1362 | { | |
e0165dcf | 1363 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1364 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1365 | size_t size = getFromGraphBuf(BitStream); | |
1366 | if (size==0) return 0; | |
1367 | ||
1368 | //get binary from fsk wave | |
1369 | int idx = PyramiddemodFSK(BitStream, &size); | |
1370 | if (idx < 0){ | |
6923d3f1 | 1371 | if (g_debugMode){ |
e0165dcf | 1372 | if (idx == -5) |
1373 | PrintAndLog("DEBUG: Error - not enough samples"); | |
1374 | else if (idx == -1) | |
1375 | PrintAndLog("DEBUG: Error - only noise found"); | |
1376 | else if (idx == -2) | |
1377 | PrintAndLog("DEBUG: Error - problem during FSK demod"); | |
1378 | else if (idx == -3) | |
1379 | PrintAndLog("DEBUG: Error - Size not correct: %d", size); | |
1380 | else if (idx == -4) | |
1381 | PrintAndLog("DEBUG: Error - Pyramid preamble not found"); | |
1382 | else | |
1383 | PrintAndLog("DEBUG: Error - idx: %d",idx); | |
1384 | } | |
1385 | return 0; | |
1386 | } | |
1387 | // Index map | |
1388 | // 0 10 20 30 40 50 60 | |
1389 | // | | | | | | | | |
1390 | // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 | |
1391 | // ----------------------------------------------------------------------------- | |
1392 | // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 | |
1393 | // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o | |
1394 | ||
1395 | // 64 70 80 90 100 110 120 | |
1396 | // | | | | | | | | |
1397 | // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 | |
1398 | // ----------------------------------------------------------------------------- | |
1399 | // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0 | |
1400 | // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o | |
1401 | // |---115---||---------71---------| | |
1402 | // s = format start bit, o = odd parity of last 7 bits | |
1403 | // f = facility code, c = card number | |
1404 | // w = wiegand parity, x = extra space for other formats | |
1405 | // p = unknown checksum | |
1406 | // (26 bit format shown) | |
1407 | ||
1408 | //get bytes for checksum calc | |
1409 | uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8); | |
1410 | uint8_t csBuff[14] = {0x00}; | |
1411 | for (uint8_t i = 0; i < 13; i++){ | |
1412 | csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8); | |
1413 | } | |
1414 | //check checksum calc | |
1415 | //checksum calc thanks to ICEMAN!! | |
1416 | uint32_t checkCS = CRC8Maxim(csBuff,13); | |
1417 | ||
1418 | //get raw ID before removing parities | |
1419 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32); | |
1420 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32); | |
1421 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32); | |
1422 | uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32); | |
1423 | setDemodBuf(BitStream,128,idx); | |
1424 | ||
1425 | size = removeParity(BitStream, idx+8, 8, 1, 120); | |
1426 | if (size != 105){ | |
6923d3f1 | 1427 | if (g_debugMode) |
e0165dcf | 1428 | PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); |
1429 | return 0; | |
1430 | } | |
1431 | ||
1432 | // ok valid card found! | |
1433 | ||
1434 | // Index map | |
1435 | // 0 10 20 30 40 50 60 70 | |
1436 | // | | | | | | | | | |
1437 | // 01234567890123456789012345678901234567890123456789012345678901234567890 | |
1438 | // ----------------------------------------------------------------------- | |
1439 | // 00000000000000000000000000000000000000000000000000000000000000000000000 | |
1440 | // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
1441 | ||
1442 | // 71 80 90 100 | |
1443 | // | | | | | |
1444 | // 1 2 34567890 1234567890123456 7 8901234 | |
1445 | // --------------------------------------- | |
1446 | // 1 1 01110011 0000000001000110 0 1001010 | |
1447 | // s w ffffffff cccccccccccccccc w ppppppp | |
1448 | // |--115-| |------71------| | |
1449 | // s = format start bit, o = odd parity of last 7 bits | |
1450 | // f = facility code, c = card number | |
1451 | // w = wiegand parity, x = extra space for other formats | |
1452 | // p = unknown checksum | |
1453 | // (26 bit format shown) | |
1454 | ||
1455 | //find start bit to get fmtLen | |
1456 | int j; | |
1457 | for (j=0; j<size; j++){ | |
1458 | if(BitStream[j]) break; | |
1459 | } | |
1460 | uint8_t fmtLen = size-j-8; | |
1461 | uint32_t fc = 0; | |
1462 | uint32_t cardnum = 0; | |
1463 | uint32_t code1 = 0; | |
e0165dcf | 1464 | if (fmtLen==26){ |
1465 | fc = bytebits_to_byte(BitStream+73, 8); | |
1466 | cardnum = bytebits_to_byte(BitStream+81, 16); | |
1467 | code1 = bytebits_to_byte(BitStream+72,fmtLen); | |
1468 | PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi3, rawHi2, rawHi, rawLo); | |
1469 | } else if (fmtLen==45){ | |
1470 | fmtLen=42; //end = 10 bits not 7 like 26 bit fmt | |
1471 | fc = bytebits_to_byte(BitStream+53, 10); | |
1472 | cardnum = bytebits_to_byte(BitStream+63, 32); | |
1473 | PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo); | |
1474 | } else { | |
1475 | cardnum = bytebits_to_byte(BitStream+81, 16); | |
1476 | if (fmtLen>32){ | |
1477 | //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32); | |
1478 | //code2 = bytebits_to_byte(BitStream+(size-32),32); | |
1479 | PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); | |
1480 | } else{ | |
1481 | //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen); | |
1482 | PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); | |
1483 | } | |
1484 | } | |
1485 | if (checksum == checkCS) | |
1486 | PrintAndLog("Checksum %02x passed", checksum); | |
1487 | else | |
1488 | PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); | |
1489 | ||
1490 | if (g_debugMode){ | |
1491 | PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); | |
1492 | printDemodBuff(); | |
1493 | } | |
1494 | return 1; | |
1e090a61 | 1495 | } |
1496 | ||
b2c330b3 | 1497 | // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) |
04bb0567 | 1498 | // 8 databits + 1 parity (1) |
1499 | // CIITT 16 chksum | |
1500 | // NATIONAL CODE, ICAR database | |
b2c330b3 | 1501 | // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf |
04bb0567 | 1502 | // FLAG (animal/non-animal) |
709665b5 | 1503 | /* |
1504 | 38 IDbits | |
1505 | 10 country code | |
1506 | 1 extra app bit | |
1507 | 14 reserved bits | |
1508 | 1 animal bit | |
1509 | 16 ccitt CRC chksum over 64bit ID CODE. | |
1510 | 24 appli bits. | |
1511 | ||
1512 | -- sample: 985121004515220 [ 37FF65B88EF94 ] | |
1513 | */ | |
b2c330b3 | 1514 | int CmdFDXBdemodBI(const char *Cmd){ |
04bb0567 | 1515 | |
1516 | int invert = 1; | |
1517 | int clk = 32; | |
1518 | int errCnt = 0; | |
1519 | int maxErr = 0; | |
1520 | uint8_t BitStream[MAX_DEMOD_BUF_LEN]; | |
1521 | size_t size = getFromGraphBuf(BitStream); | |
1522 | ||
1523 | errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); | |
1524 | if ( errCnt < 0 || errCnt > maxErr ) { | |
c2c7f6c2 | 1525 | if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); |
04bb0567 | 1526 | return 0; |
1527 | } | |
1528 | ||
1529 | errCnt = BiphaseRawDecode(BitStream, &size, maxErr, 1); | |
1530 | if (errCnt < 0 || errCnt > maxErr ) { | |
1531 | if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); | |
1532 | return 0; | |
1533 | } | |
1534 | ||
b2c330b3 | 1535 | int preambleIndex = FDXBdemodBI(BitStream, &size); |
04bb0567 | 1536 | if (preambleIndex < 0){ |
b2c330b3 | 1537 | if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex); |
04bb0567 | 1538 | return 0; |
1539 | } | |
f6650679 | 1540 | if (size != 128) { |
1541 | if (g_debugMode) PrintAndLog("Error incorrect data length found"); | |
1542 | return 0; | |
1543 | } | |
04bb0567 | 1544 | |
1545 | setDemodBuf(BitStream, 128, preambleIndex); | |
04bb0567 | 1546 | |
29b6cacc | 1547 | // remove marker bits (1's every 9th digit after preamble) (pType = 2) |
fd1d30cb | 1548 | size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117); |
29b6cacc | 1549 | if ( size != 104 ) { |
04bb0567 | 1550 | if (g_debugMode) PrintAndLog("Error removeParity:: %d", size); |
1551 | return 0; | |
1552 | } | |
b2c330b3 | 1553 | if (g_debugMode) { |
1554 | char *bin = sprint_bin_break(BitStream,size,16); | |
1555 | PrintAndLog("DEBUG BinStream:\n%s",bin); | |
1556 | } | |
1557 | PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:"); | |
6eaa8da9 | 1558 | if (g_debugMode) PrintAndLog("Start marker %d; Size %d", preambleIndex, size); |
04bb0567 | 1559 | |
04bb0567 | 1560 | //got a good demod |
b2c330b3 | 1561 | uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32); |
04bb0567 | 1562 | uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10); |
1563 | uint8_t dataBlockBit = BitStream[48]; | |
1564 | uint32_t reservedCode = bytebits_to_byteLSBF(BitStream+49,14); | |
1565 | uint8_t animalBit = BitStream[63]; | |
1566 | uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16); | |
1567 | uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24); | |
1568 | ||
07b5a3c3 | 1569 | uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32); |
6eaa8da9 | 1570 | uint8_t raw[8]; |
1571 | num_to_bytes(rawid, 8, raw); | |
6eaa8da9 | 1572 | |
07b5a3c3 | 1573 | if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8)); |
6eaa8da9 | 1574 | |
07b5a3c3 | 1575 | uint16_t calcCrc = crc16_ccitt_kermit(raw, 8); |
43534cba | 1576 | PrintAndLog("Animal ID: %04u-%012" PRIu64, countryCode, NationalCode); |
1577 | PrintAndLog("National Code: %012" PRIu64, NationalCode); | |
c2c7f6c2 | 1578 | PrintAndLog("CountryCode: %04u", countryCode); |
b2c330b3 | 1579 | PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False"); |
1580 | PrintAndLog("reserved Code: %u", reservedCode); | |
1581 | PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); | |
6eaa8da9 | 1582 | PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed"); |
1583 | PrintAndLog("Extended: 0x%X\n", extended); | |
fd1d30cb | 1584 | |
04bb0567 | 1585 | return 1; |
1586 | } | |
1587 | ||
1588 | ||
e770c648 | 1589 | //by marshmellow |
1590 | //attempt to psk1 demod graph buffer | |
4ac906d1 | 1591 | int PSKDemod(const char *Cmd, bool verbose) |
e770c648 | 1592 | { |
e0165dcf | 1593 | int invert=0; |
1594 | int clk=0; | |
1595 | int maxErr=100; | |
1596 | sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); | |
1597 | if (clk==1){ | |
1598 | invert=1; | |
1599 | clk=0; | |
1600 | } | |
1601 | if (invert != 0 && invert != 1) { | |
2ec87733 | 1602 | if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd); |
e0165dcf | 1603 | return 0; |
1604 | } | |
1605 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1606 | size_t BitLen = getFromGraphBuf(BitStream); | |
2ec87733 | 1607 | if (BitLen==0) return 0; |
2eec55c8 | 1608 | uint8_t carrier=countFC(BitStream, BitLen, 0); |
e0165dcf | 1609 | if (carrier!=2 && carrier!=4 && carrier!=8){ |
1610 | //invalid carrier | |
1611 | return 0; | |
1612 | } | |
6fe5c94b | 1613 | if (g_debugMode){ |
1614 | PrintAndLog("Carrier: rf/%d",carrier); | |
1615 | } | |
e0165dcf | 1616 | int errCnt=0; |
1617 | errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert); | |
1618 | if (errCnt > maxErr){ | |
2767fc02 | 1619 | if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); |
e0165dcf | 1620 | return 0; |
1621 | } | |
1622 | if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) | |
2767fc02 | 1623 | if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); |
e0165dcf | 1624 | return 0; |
1625 | } | |
2767fc02 | 1626 | if (verbose || g_debugMode){ |
1627 | PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk,invert,BitLen); | |
e0165dcf | 1628 | if (errCnt>0){ |
2767fc02 | 1629 | PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); |
e0165dcf | 1630 | } |
1631 | } | |
1632 | //prime demod buffer for output | |
1633 | setDemodBuf(BitStream,BitLen,0); | |
1634 | return 1; | |
4118b74d | 1635 | } |
e770c648 | 1636 | |
4118b74d | 1637 | // Indala 26 bit decode |
1638 | // by marshmellow | |
1639 | // optional arguments - same as CmdpskNRZrawDemod (clock & invert) | |
1640 | int CmdIndalaDecode(const char *Cmd) | |
1641 | { | |
b4fb11ba | 1642 | int ans; |
1643 | if (strlen(Cmd)>0){ | |
1644 | ans = PSKDemod(Cmd, 0); | |
1645 | } else{ //default to RF/32 | |
1646 | ans = PSKDemod("32", 0); | |
1647 | } | |
4118b74d | 1648 | |
7a8a982b | 1649 | if (!ans){ |
6923d3f1 | 1650 | if (g_debugMode) |
b4fb11ba | 1651 | PrintAndLog("Error1: %d",ans); |
ba1a299c | 1652 | return 0; |
1653 | } | |
1654 | uint8_t invert=0; | |
14331320 | 1655 | size_t size = DemodBufferLen; |
6923d3f1 | 1656 | int startIdx = indala26decode(DemodBuffer, &size, &invert); |
1657 | if (startIdx < 0 || size > 224) { | |
1658 | if (g_debugMode) | |
b4fb11ba | 1659 | PrintAndLog("Error2: %d",ans); |
ba1a299c | 1660 | return -1; |
1661 | } | |
6923d3f1 | 1662 | setDemodBuf(DemodBuffer, size, (size_t)startIdx); |
84871873 | 1663 | if (invert) |
6923d3f1 | 1664 | if (g_debugMode) |
e0165dcf | 1665 | PrintAndLog("Had to invert bits"); |
ec75f5c1 | 1666 | |
14331320 | 1667 | PrintAndLog("BitLen: %d",DemodBufferLen); |
ba1a299c | 1668 | //convert UID to HEX |
1669 | uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; | |
14331320 | 1670 | uid1=bytebits_to_byte(DemodBuffer,32); |
1671 | uid2=bytebits_to_byte(DemodBuffer+32,32); | |
1672 | if (DemodBufferLen==64) { | |
709665b5 | 1673 | PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2); |
14331320 | 1674 | } else { |
1675 | uid3=bytebits_to_byte(DemodBuffer+64,32); | |
1676 | uid4=bytebits_to_byte(DemodBuffer+96,32); | |
1677 | uid5=bytebits_to_byte(DemodBuffer+128,32); | |
1678 | uid6=bytebits_to_byte(DemodBuffer+160,32); | |
1679 | uid7=bytebits_to_byte(DemodBuffer+192,32); | |
1680 | PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", | |
709665b5 | 1681 | sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2, uid3, uid4, uid5, uid6, uid7); |
ba1a299c | 1682 | } |
b4fb11ba | 1683 | if (g_debugMode){ |
1684 | PrintAndLog("DEBUG: printing demodbuffer:"); | |
1685 | printDemodBuff(); | |
1686 | } | |
ba1a299c | 1687 | return 1; |
4118b74d | 1688 | } |
1689 | ||
411105e0 | 1690 | int CmdPSKNexWatch(const char *Cmd) |
1691 | { | |
1692 | if (!PSKDemod("", false)) return 0; | |
1693 | uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; | |
1694 | size_t startIdx = 0, size = DemodBufferLen; | |
1695 | bool invert = false; | |
1696 | if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){ | |
1697 | // if didn't find preamble try again inverting | |
1698 | if (!PSKDemod("1", false)) return 0; | |
1699 | size = DemodBufferLen; | |
1700 | if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0; | |
1701 | invert = true; | |
1702 | } | |
1703 | if (size != 128) return 0; | |
1704 | setDemodBuf(DemodBuffer, size, startIdx+4); | |
1705 | startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0) | |
1706 | //get ID | |
1707 | uint32_t ID = 0; | |
1708 | for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){ | |
1709 | for (uint8_t idx=0; idx<8; idx++){ | |
1710 | ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)]; | |
1711 | } | |
1712 | } | |
1713 | //parity check (TBD) | |
1714 | ||
1715 | //checksum check (TBD) | |
1716 | ||
1717 | //output | |
1718 | PrintAndLog("NexWatch ID: %d", ID); | |
1719 | if (invert){ | |
1720 | PrintAndLog("Had to Invert - probably NexKey"); | |
1721 | for (uint8_t idx=0; idx<size; idx++) | |
1722 | DemodBuffer[idx] ^= 1; | |
1723 | } | |
1724 | ||
1725 | CmdPrintDemodBuff("x"); | |
1726 | return 1; | |
1727 | } | |
1728 | ||
04d2721b | 1729 | // by marshmellow |
e770c648 | 1730 | // takes 3 arguments - clock, invert, maxErr as integers |
1731 | // attempts to demodulate nrz only | |
1732 | // prints binary found and saves in demodbuffer for further commands | |
b4a2fcf6 | 1733 | int NRZrawDemod(const char *Cmd, bool verbose) |
e770c648 | 1734 | { |
e0165dcf | 1735 | int invert=0; |
1736 | int clk=0; | |
1737 | int maxErr=100; | |
1738 | sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); | |
1739 | if (clk==1){ | |
1740 | invert=1; | |
1741 | clk=0; | |
1742 | } | |
1743 | if (invert != 0 && invert != 1) { | |
1744 | PrintAndLog("Invalid argument: %s", Cmd); | |
1745 | return 0; | |
1746 | } | |
1747 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1748 | size_t BitLen = getFromGraphBuf(BitStream); | |
1749 | if (BitLen==0) return 0; | |
1750 | int errCnt=0; | |
db829602 | 1751 | errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert); |
e0165dcf | 1752 | if (errCnt > maxErr){ |
1753 | if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); | |
1754 | return 0; | |
1755 | } | |
2eec55c8 | 1756 | if (errCnt<0 || BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) |
e0165dcf | 1757 | if (g_debugMode) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); |
1758 | return 0; | |
1759 | } | |
1760 | if (verbose || g_debugMode) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); | |
1761 | //prime demod buffer for output | |
1762 | setDemodBuf(BitStream,BitLen,0); | |
1763 | ||
2767fc02 | 1764 | if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); |
e0165dcf | 1765 | if (verbose || g_debugMode) { |
1766 | PrintAndLog("NRZ demoded bitstream:"); | |
1767 | // Now output the bitstream to the scrollback by line of 16 bits | |
1768 | printDemodBuff(); | |
1769 | } | |
1770 | return 1; | |
b4a2fcf6 | 1771 | } |
1772 | ||
1773 | int CmdNRZrawDemod(const char *Cmd) | |
1774 | { | |
e0165dcf | 1775 | char cmdp = param_getchar(Cmd, 0); |
01d0f8ae | 1776 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { |
e0165dcf | 1777 | PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); |
1778 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
1779 | PrintAndLog(" <invert>, 1 for invert output"); | |
1780 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
1781 | PrintAndLog(""); | |
1782 | PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer"); | |
1783 | PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); | |
1784 | PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
1785 | PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); | |
1786 | PrintAndLog(" : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
1787 | return 0; | |
1788 | } | |
1789 | return NRZrawDemod(Cmd, TRUE); | |
e770c648 | 1790 | } |
1791 | ||
1792 | // by marshmellow | |
1793 | // takes 3 arguments - clock, invert, maxErr as integers | |
04d2721b | 1794 | // attempts to demodulate psk only |
1795 | // prints binary found and saves in demodbuffer for further commands | |
e770c648 | 1796 | int CmdPSK1rawDemod(const char *Cmd) |
4118b74d | 1797 | { |
e0165dcf | 1798 | int ans; |
1799 | char cmdp = param_getchar(Cmd, 0); | |
01d0f8ae | 1800 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { |
e0165dcf | 1801 | PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]"); |
1802 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
1803 | PrintAndLog(" <invert>, 1 for invert output"); | |
1804 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
1805 | PrintAndLog(""); | |
1806 | PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer"); | |
1807 | PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32"); | |
1808 | PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
1809 | PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data"); | |
1810 | PrintAndLog(" : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
1811 | return 0; | |
1812 | } | |
1813 | ans = PSKDemod(Cmd, TRUE); | |
1814 | //output | |
1815 | if (!ans){ | |
1816 | if (g_debugMode) PrintAndLog("Error demoding: %d",ans); | |
1817 | return 0; | |
1818 | } | |
7a8a982b | 1819 | |
2767fc02 | 1820 | PrintAndLog("PSK1 demoded bitstream:"); |
e0165dcf | 1821 | // Now output the bitstream to the scrollback by line of 16 bits |
1822 | printDemodBuff(); | |
1823 | return 1; | |
4118b74d | 1824 | } |
1825 | ||
04d2721b | 1826 | // by marshmellow |
19ff0210 | 1827 | // takes same args as cmdpsk1rawdemod |
04d2721b | 1828 | int CmdPSK2rawDemod(const char *Cmd) |
1829 | { | |
e0165dcf | 1830 | int ans=0; |
1831 | char cmdp = param_getchar(Cmd, 0); | |
01d0f8ae | 1832 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') { |
e0165dcf | 1833 | PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]"); |
1834 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
1835 | PrintAndLog(" <invert>, 1 for invert output"); | |
1836 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
1837 | PrintAndLog(""); | |
1838 | PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock"); | |
1839 | PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32"); | |
1840 | PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output"); | |
1841 | PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output"); | |
1842 | PrintAndLog(" : data rawdemod p2 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors"); | |
1843 | return 0; | |
1844 | } | |
1845 | ans=PSKDemod(Cmd, TRUE); | |
1846 | if (!ans){ | |
1847 | if (g_debugMode) PrintAndLog("Error demoding: %d",ans); | |
1848 | return 0; | |
1849 | } | |
1850 | psk1TOpsk2(DemodBuffer, DemodBufferLen); | |
1851 | PrintAndLog("PSK2 demoded bitstream:"); | |
1852 | // Now output the bitstream to the scrollback by line of 16 bits | |
1853 | printDemodBuff(); | |
1854 | return 1; | |
04d2721b | 1855 | } |
1856 | ||
19ff0210 | 1857 | // by marshmellow - combines all raw demod functions into one menu command |
1858 | int CmdRawDemod(const char *Cmd) | |
1859 | { | |
1860 | char cmdp = Cmd[0]; //param_getchar(Cmd, 0); | |
1861 | ||
01d0f8ae | 1862 | if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd)<2) { |
19ff0210 | 1863 | PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>"); |
b41534d1 | 1864 | PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ..."); |
1865 | PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2"); | |
19ff0210 | 1866 | PrintAndLog(" <help> as 'h', prints the help for the specific modulation"); |
1867 | PrintAndLog(" <options> see specific modulation help for optional parameters"); | |
1868 | PrintAndLog(""); | |
1fbf8956 | 1869 | PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod"); |
19ff0210 | 1870 | PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect"); |
b41534d1 | 1871 | PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect"); |
19ff0210 | 1872 | PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect"); |
1873 | PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect"); | |
1874 | PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect"); | |
1875 | PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect"); | |
1876 | PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect"); | |
1877 | return 0; | |
1878 | } | |
1879 | char cmdp2 = Cmd[1]; | |
1880 | int ans = 0; | |
1881 | if (cmdp == 'f' && cmdp2 == 's'){ | |
f8f894a5 | 1882 | ans = CmdFSKrawdemod(Cmd+2); |
b41534d1 | 1883 | } else if(cmdp == 'a' && cmdp2 == 'b'){ |
f8f894a5 | 1884 | ans = Cmdaskbiphdemod(Cmd+2); |
19ff0210 | 1885 | } else if(cmdp == 'a' && cmdp2 == 'm'){ |
f8f894a5 | 1886 | ans = Cmdaskmandemod(Cmd+2); |
19ff0210 | 1887 | } else if(cmdp == 'a' && cmdp2 == 'r'){ |
f8f894a5 | 1888 | ans = Cmdaskrawdemod(Cmd+2); |
19ff0210 | 1889 | } else if(cmdp == 'n' && cmdp2 == 'r'){ |
f8f894a5 | 1890 | ans = CmdNRZrawDemod(Cmd+2); |
19ff0210 | 1891 | } else if(cmdp == 'p' && cmdp2 == '1'){ |
f8f894a5 | 1892 | ans = CmdPSK1rawDemod(Cmd+2); |
19ff0210 | 1893 | } else if(cmdp == 'p' && cmdp2 == '2'){ |
f8f894a5 | 1894 | ans = CmdPSK2rawDemod(Cmd+2); |
19ff0210 | 1895 | } else { |
1896 | PrintAndLog("unknown modulation entered - see help ('h') for parameter structure"); | |
1897 | } | |
1898 | return ans; | |
1899 | } | |
1900 | ||
7fe9b0b7 | 1901 | int CmdGrid(const char *Cmd) |
1902 | { | |
e0165dcf | 1903 | sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY); |
1904 | PlotGridXdefault= PlotGridX; | |
1905 | PlotGridYdefault= PlotGridY; | |
1906 | RepaintGraphWindow(); | |
1907 | return 0; | |
7fe9b0b7 | 1908 | } |
1909 | ||
1910 | int CmdHexsamples(const char *Cmd) | |
1911 | { | |
e0165dcf | 1912 | int i, j; |
1913 | int requested = 0; | |
1914 | int offset = 0; | |
1915 | char string_buf[25]; | |
1916 | char* string_ptr = string_buf; | |
1917 | uint8_t got[BIGBUF_SIZE]; | |
1918 | ||
1919 | sscanf(Cmd, "%i %i", &requested, &offset); | |
1920 | ||
1921 | /* if no args send something */ | |
1922 | if (requested == 0) { | |
1923 | requested = 8; | |
1924 | } | |
1925 | if (offset + requested > sizeof(got)) { | |
1926 | PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE); | |
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | GetFromBigBuf(got,requested,offset); | |
1931 | WaitForResponse(CMD_ACK,NULL); | |
1932 | ||
1933 | i = 0; | |
1934 | for (j = 0; j < requested; j++) { | |
1935 | i++; | |
1936 | string_ptr += sprintf(string_ptr, "%02x ", got[j]); | |
1937 | if (i == 8) { | |
1938 | *(string_ptr - 1) = '\0'; // remove the trailing space | |
1939 | PrintAndLog("%s", string_buf); | |
1940 | string_buf[0] = '\0'; | |
1941 | string_ptr = string_buf; | |
1942 | i = 0; | |
1943 | } | |
1944 | if (j == requested - 1 && string_buf[0] != '\0') { // print any remaining bytes | |
1945 | *(string_ptr - 1) = '\0'; | |
1946 | PrintAndLog("%s", string_buf); | |
1947 | string_buf[0] = '\0'; | |
1948 | } | |
1949 | } | |
1950 | return 0; | |
7fe9b0b7 | 1951 | } |
1952 | ||
7fe9b0b7 | 1953 | int CmdHide(const char *Cmd) |
1954 | { | |
e0165dcf | 1955 | HideGraphWindow(); |
1956 | return 0; | |
7fe9b0b7 | 1957 | } |
1958 | ||
78f5b1a7 | 1959 | //zero mean GraphBuffer |
7fe9b0b7 | 1960 | int CmdHpf(const char *Cmd) |
1961 | { | |
e0165dcf | 1962 | int i; |
1963 | int accum = 0; | |
7fe9b0b7 | 1964 | |
e0165dcf | 1965 | for (i = 10; i < GraphTraceLen; ++i) |
1966 | accum += GraphBuffer[i]; | |
1967 | accum /= (GraphTraceLen - 10); | |
1968 | for (i = 0; i < GraphTraceLen; ++i) | |
1969 | GraphBuffer[i] -= accum; | |
7fe9b0b7 | 1970 | |
e0165dcf | 1971 | RepaintGraphWindow(); |
1972 | return 0; | |
7fe9b0b7 | 1973 | } |
f6d9fb17 | 1974 | |
f6821167 | 1975 | uint8_t getByte(uint8_t bits_per_sample, BitstreamIn* b) |
f6d9fb17 MHS |
1976 | { |
1977 | int i; | |
1978 | uint8_t val = 0; | |
1979 | for(i =0 ; i < bits_per_sample; i++) | |
1980 | { | |
f6821167 | 1981 | val |= (headBit(b) << (7-i)); |
f6d9fb17 MHS |
1982 | } |
1983 | return val; | |
1984 | } | |
7fe9b0b7 | 1985 | |
1fbf8956 | 1986 | int getSamples(const char *Cmd, bool silent) |
7fe9b0b7 | 1987 | { |
e0165dcf | 1988 | //If we get all but the last byte in bigbuf, |
1989 | // we don't have to worry about remaining trash | |
1990 | // in the last byte in case the bits-per-sample | |
1991 | // does not line up on byte boundaries | |
1992 | ||
1993 | uint8_t got[BIGBUF_SIZE-1] = { 0 }; | |
1994 | ||
1995 | int n = strtol(Cmd, NULL, 0); | |
1996 | ||
709665b5 | 1997 | if (n == 0 || n > sizeof(got)) |
e0165dcf | 1998 | n = sizeof(got); |
1999 | ||
2000 | PrintAndLog("Reading %d bytes from device memory\n", n); | |
2001 | GetFromBigBuf(got,n,0); | |
2002 | PrintAndLog("Data fetched"); | |
2003 | UsbCommand response; | |
2004 | WaitForResponse(CMD_ACK, &response); | |
2005 | uint8_t bits_per_sample = 8; | |
2006 | ||
2007 | //Old devices without this feature would send 0 at arg[0] | |
2008 | if(response.arg[0] > 0) | |
2009 | { | |
2010 | sample_config *sc = (sample_config *) response.d.asBytes; | |
2011 | PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample | |
2012 | , sc->decimation); | |
2013 | bits_per_sample = sc->bits_per_sample; | |
2014 | } | |
2015 | if(bits_per_sample < 8) | |
2016 | { | |
2017 | PrintAndLog("Unpacking..."); | |
f6821167 | 2018 | BitstreamIn bout = { got, bits_per_sample * n, 0}; |
e0165dcf | 2019 | int j =0; |
e6432f05 | 2020 | for (j = 0; j * bits_per_sample < n * 8 && j < n; j++) { |
e0165dcf | 2021 | uint8_t sample = getByte(bits_per_sample, &bout); |
2022 | GraphBuffer[j] = ((int) sample )- 128; | |
2023 | } | |
2024 | GraphTraceLen = j; | |
2025 | PrintAndLog("Unpacked %d samples" , j ); | |
2026 | }else | |
2027 | { | |
2028 | for (int j = 0; j < n; j++) { | |
2029 | GraphBuffer[j] = ((int)got[j]) - 128; | |
2030 | } | |
2031 | GraphTraceLen = n; | |
2032 | } | |
2033 | ||
2034 | RepaintGraphWindow(); | |
2035 | return 0; | |
1fbf8956 | 2036 | } |
2037 | ||
2038 | int CmdSamples(const char *Cmd) | |
2039 | { | |
e0165dcf | 2040 | return getSamples(Cmd, false); |
7fe9b0b7 | 2041 | } |
2042 | ||
d6a120a2 MHS |
2043 | int CmdTuneSamples(const char *Cmd) |
2044 | { | |
fdcfbdcc RAB |
2045 | int timeout = 0, arg = FLAG_TUNE_ALL; |
2046 | ||
2047 | if(*Cmd == 'l') { | |
2048 | arg = FLAG_TUNE_LF; | |
2049 | } else if (*Cmd == 'h') { | |
2050 | arg = FLAG_TUNE_HF; | |
2051 | } else if (*Cmd != '\0') { | |
2052 | PrintAndLog("use 'tune' or 'tune l' or 'tune h'"); | |
2053 | return 0; | |
2054 | } | |
2055 | ||
3aa4014b | 2056 | printf("\nMeasuring antenna characteristics, please wait..."); |
ba1a299c | 2057 | |
fdcfbdcc | 2058 | UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {arg, 0, 0}}; |
3aa4014b | 2059 | SendCommand(&c); |
2060 | ||
2061 | UsbCommand resp; | |
2062 | while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) { | |
2063 | timeout++; | |
2064 | printf("."); | |
2065 | if (timeout > 7) { | |
2066 | PrintAndLog("\nNo response from Proxmark. Aborting..."); | |
2067 | return 1; | |
2068 | } | |
2069 | } | |
2070 | ||
2071 | int peakv, peakf; | |
2072 | int vLf125, vLf134, vHf; | |
2073 | vLf125 = resp.arg[0] & 0xffff; | |
2074 | vLf134 = resp.arg[0] >> 16; | |
2075 | vHf = resp.arg[1] & 0xffff;; | |
2076 | peakf = resp.arg[2] & 0xffff; | |
2077 | peakv = resp.arg[2] >> 16; | |
2078 | PrintAndLog(""); | |
2079 | PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); | |
2080 | PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); | |
2081 | PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); | |
2082 | PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); | |
0d0d0499 | 2083 | |
2767fc02 | 2084 | #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher. |
2085 | #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher. | |
2086 | #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. | |
2087 | #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. | |
0d0d0499 | 2088 | |
2089 | if (peakv < LF_UNUSABLE_V) | |
3aa4014b | 2090 | PrintAndLog("# Your LF antenna is unusable."); |
0d0d0499 | 2091 | else if (peakv < LF_MARGINAL_V) |
3aa4014b | 2092 | PrintAndLog("# Your LF antenna is marginal."); |
0d0d0499 | 2093 | if (vHf < HF_UNUSABLE_V) |
3aa4014b | 2094 | PrintAndLog("# Your HF antenna is unusable."); |
0d0d0499 | 2095 | else if (vHf < HF_MARGINAL_V) |
3aa4014b | 2096 | PrintAndLog("# Your HF antenna is marginal."); |
2097 | ||
0d0d0499 | 2098 | if (peakv >= LF_UNUSABLE_V) { |
2099 | for (int i = 0; i < 256; i++) { | |
2100 | GraphBuffer[i] = resp.d.asBytes[i] - 128; | |
2101 | } | |
2102 | PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n"); | |
2103 | PrintAndLog("\n"); | |
2104 | GraphTraceLen = 256; | |
2105 | ShowGraphWindow(); | |
abd16c45 | 2106 | RepaintGraphWindow(); |
ba1a299c | 2107 | } |
2108 | ||
b4fb11ba | 2109 | return 0; |
d6a120a2 MHS |
2110 | } |
2111 | ||
3aa4014b | 2112 | |
7fe9b0b7 | 2113 | int CmdLoad(const char *Cmd) |
2114 | { | |
e0165dcf | 2115 | char filename[FILE_PATH_SIZE] = {0x00}; |
2116 | int len = 0; | |
b915fda3 | 2117 | |
e0165dcf | 2118 | len = strlen(Cmd); |
2119 | if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; | |
2120 | memcpy(filename, Cmd, len); | |
b915fda3 | 2121 | |
e0165dcf | 2122 | FILE *f = fopen(filename, "r"); |
2123 | if (!f) { | |
2124 | PrintAndLog("couldn't open '%s'", filename); | |
2125 | return 0; | |
2126 | } | |
2127 | ||
2128 | GraphTraceLen = 0; | |
2129 | char line[80]; | |
2130 | while (fgets(line, sizeof (line), f)) { | |
2131 | GraphBuffer[GraphTraceLen] = atoi(line); | |
2132 | GraphTraceLen++; | |
2133 | } | |
2134 | fclose(f); | |
2135 | PrintAndLog("loaded %d samples", GraphTraceLen); | |
2136 | RepaintGraphWindow(); | |
2137 | return 0; | |
7fe9b0b7 | 2138 | } |
2139 | ||
2140 | int CmdLtrim(const char *Cmd) | |
2141 | { | |
e0165dcf | 2142 | int ds = atoi(Cmd); |
cc15a118 | 2143 | if (GraphTraceLen<=0) return 0; |
e0165dcf | 2144 | for (int i = ds; i < GraphTraceLen; ++i) |
2145 | GraphBuffer[i-ds] = GraphBuffer[i]; | |
2146 | GraphTraceLen -= ds; | |
7fe9b0b7 | 2147 | |
e0165dcf | 2148 | RepaintGraphWindow(); |
2149 | return 0; | |
7fe9b0b7 | 2150 | } |
ec75f5c1 | 2151 | |
2152 | // trim graph to input argument length | |
9ec1416a | 2153 | int CmdRtrim(const char *Cmd) |
2154 | { | |
e0165dcf | 2155 | int ds = atoi(Cmd); |
9ec1416a | 2156 | |
e0165dcf | 2157 | GraphTraceLen = ds; |
9ec1416a | 2158 | |
e0165dcf | 2159 | RepaintGraphWindow(); |
2160 | return 0; | |
9ec1416a | 2161 | } |
7fe9b0b7 | 2162 | |
7fe9b0b7 | 2163 | int CmdNorm(const char *Cmd) |
2164 | { | |
e0165dcf | 2165 | int i; |
2166 | int max = INT_MIN, min = INT_MAX; | |
7fe9b0b7 | 2167 | |
e0165dcf | 2168 | for (i = 10; i < GraphTraceLen; ++i) { |
2169 | if (GraphBuffer[i] > max) | |
2170 | max = GraphBuffer[i]; | |
2171 | if (GraphBuffer[i] < min) | |
2172 | min = GraphBuffer[i]; | |
2173 | } | |
7fe9b0b7 | 2174 | |
e0165dcf | 2175 | if (max != min) { |
2176 | for (i = 0; i < GraphTraceLen; ++i) { | |
ba1a299c | 2177 | GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 / |
e0165dcf | 2178 | (max - min); |
ba1a299c | 2179 | //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work |
e0165dcf | 2180 | } |
2181 | } | |
2182 | RepaintGraphWindow(); | |
2183 | return 0; | |
7fe9b0b7 | 2184 | } |
2185 | ||
2186 | int CmdPlot(const char *Cmd) | |
2187 | { | |
e0165dcf | 2188 | ShowGraphWindow(); |
2189 | return 0; | |
7fe9b0b7 | 2190 | } |
2191 | ||
2192 | int CmdSave(const char *Cmd) | |
2193 | { | |
e0165dcf | 2194 | char filename[FILE_PATH_SIZE] = {0x00}; |
2195 | int len = 0; | |
b915fda3 | 2196 | |
e0165dcf | 2197 | len = strlen(Cmd); |
2198 | if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; | |
2199 | memcpy(filename, Cmd, len); | |
2200 | ||
b915fda3 | 2201 | |
e0165dcf | 2202 | FILE *f = fopen(filename, "w"); |
2203 | if(!f) { | |
2204 | PrintAndLog("couldn't open '%s'", filename); | |
2205 | return 0; | |
2206 | } | |
2207 | int i; | |
2208 | for (i = 0; i < GraphTraceLen; i++) { | |
2209 | fprintf(f, "%d\n", GraphBuffer[i]); | |
2210 | } | |
2211 | fclose(f); | |
2212 | PrintAndLog("saved to '%s'", Cmd); | |
2213 | return 0; | |
7fe9b0b7 | 2214 | } |
2215 | ||
2216 | int CmdScale(const char *Cmd) | |
2217 | { | |
e0165dcf | 2218 | CursorScaleFactor = atoi(Cmd); |
2219 | if (CursorScaleFactor == 0) { | |
2220 | PrintAndLog("bad, can't have zero scale"); | |
2221 | CursorScaleFactor = 1; | |
2222 | } | |
2223 | RepaintGraphWindow(); | |
2224 | return 0; | |
7fe9b0b7 | 2225 | } |
2226 | ||
d51b2eda MHS |
2227 | int CmdDirectionalThreshold(const char *Cmd) |
2228 | { | |
e0165dcf | 2229 | int8_t upThres = param_get8(Cmd, 0); |
2230 | int8_t downThres = param_get8(Cmd, 1); | |
2231 | ||
2232 | printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres); | |
2233 | ||
2234 | int lastValue = GraphBuffer[0]; | |
2235 | GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in. | |
2236 | ||
2237 | for (int i = 1; i < GraphTraceLen; ++i) { | |
2238 | // Apply first threshold to samples heading up | |
2239 | if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue) | |
2240 | { | |
2241 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2242 | GraphBuffer[i] = 1; | |
2243 | } | |
2244 | // Apply second threshold to samples heading down | |
2245 | else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue) | |
2246 | { | |
2247 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2248 | GraphBuffer[i] = -1; | |
2249 | } | |
2250 | else | |
2251 | { | |
2252 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2253 | GraphBuffer[i] = GraphBuffer[i-1]; | |
2254 | ||
2255 | } | |
2256 | } | |
2257 | GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample. | |
2258 | RepaintGraphWindow(); | |
2259 | return 0; | |
d51b2eda MHS |
2260 | } |
2261 | ||
7fe9b0b7 | 2262 | int CmdZerocrossings(const char *Cmd) |
2263 | { | |
e0165dcf | 2264 | // Zero-crossings aren't meaningful unless the signal is zero-mean. |
2265 | CmdHpf(""); | |
2266 | ||
2267 | int sign = 1; | |
2268 | int zc = 0; | |
2269 | int lastZc = 0; | |
2270 | ||
2271 | for (int i = 0; i < GraphTraceLen; ++i) { | |
2272 | if (GraphBuffer[i] * sign >= 0) { | |
2273 | // No change in sign, reproduce the previous sample count. | |
2274 | zc++; | |
2275 | GraphBuffer[i] = lastZc; | |
2276 | } else { | |
2277 | // Change in sign, reset the sample count. | |
2278 | sign = -sign; | |
2279 | GraphBuffer[i] = lastZc; | |
2280 | if (sign > 0) { | |
2281 | lastZc = zc; | |
2282 | zc = 0; | |
2283 | } | |
2284 | } | |
2285 | } | |
2286 | ||
2287 | RepaintGraphWindow(); | |
2288 | return 0; | |
7fe9b0b7 | 2289 | } |
2290 | ||
f6821167 MHS |
2291 | int usage_data_bin2hex(){ |
2292 | PrintAndLog("Usage: data bin2hex <binary_digits>"); | |
2293 | PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)"); | |
2294 | return 0; | |
2295 | } | |
2296 | ||
2297 | /** | |
2298 | * @brief Utility for conversion via cmdline. | |
2299 | * @param Cmd | |
2300 | * @return | |
2301 | */ | |
2302 | int Cmdbin2hex(const char *Cmd) | |
2303 | { | |
2304 | int bg =0, en =0; | |
2305 | if(param_getptr(Cmd, &bg, &en, 0)) | |
2306 | { | |
2307 | return usage_data_bin2hex(); | |
2308 | } | |
2309 | //Number of digits supplied as argument | |
2310 | size_t length = en - bg +1; | |
2311 | size_t bytelen = (length+7) / 8; | |
2312 | uint8_t* arr = (uint8_t *) malloc(bytelen); | |
2313 | memset(arr, 0, bytelen); | |
2314 | BitstreamOut bout = { arr, 0, 0 }; | |
2315 | ||
2316 | for(; bg <= en ;bg++) | |
2317 | { | |
2318 | char c = Cmd[bg]; | |
2319 | if( c == '1') pushBit(&bout, 1); | |
2320 | else if( c == '0') pushBit(&bout, 0); | |
2321 | else PrintAndLog("Ignoring '%c'", c); | |
2322 | } | |
2323 | ||
2324 | if(bout.numbits % 8 != 0) | |
2325 | { | |
2326 | printf("[padded with %d zeroes]\n", 8-(bout.numbits % 8)); | |
2327 | } | |
2328 | ||
2329 | //Uses printf instead of PrintAndLog since the latter | |
2330 | // adds linebreaks to each printout - this way was more convenient since we don't have to | |
2331 | // allocate a string and write to that first... | |
2332 | for(size_t x = 0; x < bytelen ; x++) | |
2333 | { | |
2334 | printf("%02X", arr[x]); | |
2335 | } | |
2336 | printf("\n"); | |
2337 | free(arr); | |
2338 | return 0; | |
2339 | } | |
2340 | ||
72c5877a | 2341 | int usage_data_hex2bin() { |
2342 | PrintAndLog("Usage: data hex2bin <hex_digits>"); | |
f6821167 MHS |
2343 | PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)"); |
2344 | return 0; | |
2345 | ||
2346 | } | |
2347 | ||
2348 | int Cmdhex2bin(const char *Cmd) | |
2349 | { | |
2350 | int bg =0, en =0; | |
2351 | if(param_getptr(Cmd, &bg, &en, 0)) | |
2352 | { | |
2353 | return usage_data_hex2bin(); | |
2354 | } | |
2355 | ||
2356 | ||
2357 | while(bg <= en ) | |
2358 | { | |
2359 | char x = Cmd[bg++]; | |
2360 | // capitalize | |
2361 | if (x >= 'a' && x <= 'f') | |
2362 | x -= 32; | |
2363 | // convert to numeric value | |
2364 | if (x >= '0' && x <= '9') | |
2365 | x -= '0'; | |
2366 | else if (x >= 'A' && x <= 'F') | |
2367 | x -= 'A' - 10; | |
2368 | else | |
2369 | continue; | |
2370 | ||
2371 | //Uses printf instead of PrintAndLog since the latter | |
2372 | // adds linebreaks to each printout - this way was more convenient since we don't have to | |
2373 | // allocate a string and write to that first... | |
2374 | ||
2375 | for(int i= 0 ; i < 4 ; ++i) | |
2376 | printf("%d",(x >> (3 - i)) & 1); | |
2377 | } | |
2378 | printf("\n"); | |
2379 | ||
2380 | return 0; | |
2381 | } | |
2382 | ||
ba1a299c | 2383 | static command_t CommandTable[] = |
7fe9b0b7 | 2384 | { |
e0165dcf | 2385 | {"help", CmdHelp, 1, "This help"}, |
49bbc60a | 2386 | {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"}, |
e0165dcf | 2387 | {"askem410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"}, |
2388 | {"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"}, | |
415274a7 | 2389 | {"askvikingdemod", CmdVikingDemod, 1, "Demodulate a Viking tag from GraphBuffer"}, |
e0165dcf | 2390 | {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"}, |
fef74fdc | 2391 | {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"}, |
5d01f50a | 2392 | {"bin2hex", Cmdbin2hex, 1, "bin2hex <digits> -- Converts binary to hexadecimal"}, |
e0165dcf | 2393 | {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, |
e0165dcf | 2394 | {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"}, |
2395 | {"dec", CmdDec, 1, "Decimate samples"}, | |
2396 | {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"}, | |
b2c330b3 | 2397 | {"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"}, |
e0165dcf | 2398 | {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"}, |
2399 | //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"}, | |
2400 | {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"}, | |
2401 | {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"}, | |
2402 | {"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"}, | |
2403 | {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"}, | |
2404 | {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"}, | |
2405 | {"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"}, | |
2406 | {"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"}, | |
f6821167 | 2407 | {"hex2bin", Cmdhex2bin, 1, "hex2bin <hexadecimal> -- Converts hexadecimal to binary"}, |
e0165dcf | 2408 | {"hide", CmdHide, 1, "Hide graph window"}, |
2409 | {"hpf", CmdHpf, 1, "Remove DC offset from trace"}, | |
2410 | {"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"}, | |
2411 | {"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"}, | |
2412 | {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"}, | |
fef74fdc | 2413 | {"manrawdecode", Cmdmandecoderaw, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"}, |
e0165dcf | 2414 | {"norm", CmdNorm, 1, "Normalize max/min to +/-128"}, |
2415 | {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"}, | |
ace26dbd | 2416 | {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"}, |
e0165dcf | 2417 | {"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"}, |
411105e0 | 2418 | {"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"}, |
e0165dcf | 2419 | {"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"}, |
2420 | {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"}, | |
2421 | {"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"}, | |
2422 | {"scale", CmdScale, 1, "<int> -- Set cursor display scale"}, | |
709665b5 | 2423 | {"setdebugmode", CmdSetDebugMode, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"}, |
e0165dcf | 2424 | {"shiftgraphzero", CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"}, |
e0165dcf | 2425 | {"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."}, |
2426 | {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, | |
2427 | {"undec", CmdUndec, 1, "Un-decimate samples by 2"}, | |
2428 | {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"}, | |
2429 | {NULL, NULL, 0, NULL} | |
7fe9b0b7 | 2430 | }; |
2431 | ||
2432 | int CmdData(const char *Cmd) | |
2433 | { | |
e0165dcf | 2434 | CmdsParse(CommandTable, Cmd); |
2435 | return 0; | |
7fe9b0b7 | 2436 | } |
2437 | ||
2438 | int CmdHelp(const char *Cmd) | |
2439 | { | |
e0165dcf | 2440 | CmdsHelp(CommandTable); |
2441 | return 0; | |
7fe9b0b7 | 2442 | } |