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a553f267 | 1 | //----------------------------------------------------------------------------- |
2 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com> | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license. | |
7 | //----------------------------------------------------------------------------- | |
8 | // Data and Graph commands | |
9 | //----------------------------------------------------------------------------- | |
10 | ||
eb891c38 | 11 | #include <stdio.h> // also included in util.h |
12 | #include <string.h> // also included in util.h | |
13 | #include <limits.h> // for CmdNorm INT_MIN && INT_MAX | |
14 | #include "data.h" // also included in util.h | |
15 | #include "cmddata.h" | |
d51b2eda | 16 | #include "util.h" |
7fe9b0b7 | 17 | #include "cmdmain.h" |
eb891c38 | 18 | #include "proxmark3.h" |
19 | #include "ui.h" // for show graph controls | |
20 | #include "graph.h" // for graph data | |
21 | #include "cmdparser.h"// already included in cmdmain.h | |
22 | #include "usb_cmd.h" // already included in cmdmain.h and proxmark3.h | |
23 | #include "lfdemod.h" // for demod code | |
24 | #include "crc.h" // for pyramid checksum maxim | |
25 | #include "crc16.h" // for FDXB demod checksum | |
26 | #include "loclass/cipherutils.h" // for decimating samples in getsamples | |
ad6219fc | 27 | |
4118b74d | 28 | uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; |
92014925 | 29 | uint8_t g_debugMode = 0; |
30 | size_t DemodBufferLen = 0; | |
7fe9b0b7 | 31 | static int CmdHelp(const char *Cmd); |
32 | ||
a0c7eea7 | 33 | int usage_data_printdemodbuf(void){ |
34 | PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>"); | |
35 | PrintAndLog("Options:"); | |
36 | PrintAndLog(" h This help"); | |
37 | PrintAndLog(" x output in hex (omit for binary output)"); | |
38 | PrintAndLog(" o <offset> enter offset in # of bits"); | |
39 | PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively"); | |
40 | return 0; | |
41 | } | |
42 | int usage_data_askem410xdemod(void){ | |
43 | PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]"); | |
44 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
45 | PrintAndLog(" <invert>, 1 for invert output"); | |
46 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
47 | PrintAndLog(""); | |
48 | PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer"); | |
49 | PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32"); | |
50 | PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data"); | |
51 | PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data"); | |
52 | PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"); | |
53 | return 0; | |
54 | } | |
55 | int usage_data_manrawdecode(void){ | |
56 | PrintAndLog("Usage: data manrawdecode [invert] [maxErr]"); | |
57 | PrintAndLog(" Takes 10 and 01 and converts to 0 and 1 respectively"); | |
58 | PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); | |
59 | PrintAndLog(" [invert] invert output"); | |
60 | PrintAndLog(" [maxErr] set number of errors allowed (default = 20)"); | |
61 | PrintAndLog(""); | |
62 | PrintAndLog(" sample: data manrawdecode = decode manchester bitstream from the demodbuffer"); | |
63 | return 0; | |
64 | } | |
65 | int usage_data_biphaserawdecode(void){ | |
66 | PrintAndLog("Usage: data biphaserawdecode [offset] [invert] [maxErr]"); | |
67 | PrintAndLog(" Converts 10 or 01 to 1 and 11 or 00 to 0"); | |
68 | PrintAndLog(" --must have binary sequence in demodbuffer (run data askrawdemod first)"); | |
69 | PrintAndLog(" --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); | |
70 | PrintAndLog(""); | |
71 | PrintAndLog(" [offset <0|1>], set to 0 not to adjust start position or to 1 to adjust decode start position"); | |
72 | PrintAndLog(" [invert <0|1>], set to 1 to invert output"); | |
73 | PrintAndLog(" [maxErr int], set max errors tolerated - default=20"); | |
74 | PrintAndLog(""); | |
75 | PrintAndLog(" sample: data biphaserawdecode = decode biphase bitstream from the demodbuffer"); | |
76 | PrintAndLog(" sample: data biphaserawdecode 1 1 = decode biphase bitstream from the demodbuffer, set offset, and invert output"); | |
77 | return 0; | |
78 | } | |
79 | int usage_data_rawdemod(void){ | |
80 | PrintAndLog("Usage: data rawdemod [modulation] <help>|<options>"); | |
81 | PrintAndLog(" [modulation] as 2 char, 'ab' for ask/biphase, 'am' for ask/manchester, 'ar' for ask/raw, 'fs' for fsk, ..."); | |
82 | PrintAndLog(" 'nr' for nrz/direct, 'p1' for psk1, 'p2' for psk2"); | |
83 | PrintAndLog(" <help> as 'h', prints the help for the specific modulation"); | |
84 | PrintAndLog(" <options> see specific modulation help for optional parameters"); | |
85 | PrintAndLog(""); | |
86 | PrintAndLog(" sample: data rawdemod fs h = print help specific to fsk demod"); | |
87 | PrintAndLog(" : data rawdemod fs = demod GraphBuffer using: fsk - autodetect"); | |
88 | PrintAndLog(" : data rawdemod ab = demod GraphBuffer using: ask/biphase - autodetect"); | |
89 | PrintAndLog(" : data rawdemod am = demod GraphBuffer using: ask/manchester - autodetect"); | |
90 | PrintAndLog(" : data rawdemod ar = demod GraphBuffer using: ask/raw - autodetect"); | |
91 | PrintAndLog(" : data rawdemod nr = demod GraphBuffer using: nrz/direct - autodetect"); | |
92 | PrintAndLog(" : data rawdemod p1 = demod GraphBuffer using: psk1 - autodetect"); | |
93 | PrintAndLog(" : data rawdemod p2 = demod GraphBuffer using: psk2 - autodetect"); | |
94 | return 0; | |
95 | } | |
96 | int usage_data_rawdemod_am(void){ | |
97 | PrintAndLog("Usage: data rawdemod am <s> [clock] <invert> [maxError] [maxLen] [amplify]"); | |
98 | PrintAndLog(" ['s'] optional, check for Sequence Terminator"); | |
99 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); | |
100 | PrintAndLog(" <invert>, 1 to invert output"); | |
101 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
102 | PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); | |
103 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); | |
104 | PrintAndLog(""); | |
105 | PrintAndLog(" sample: data rawdemod am = demod an ask/manchester tag from GraphBuffer"); | |
106 | PrintAndLog(" : data rawdemod am 32 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32"); | |
107 | PrintAndLog(" : data rawdemod am 32 1 = demod an ask/manchester tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
108 | PrintAndLog(" : data rawdemod am 1 = demod an ask/manchester tag from GraphBuffer while inverting data"); | |
109 | PrintAndLog(" : data rawdemod am 64 1 0 = demod an ask/manchester tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
110 | return 0; | |
111 | } | |
112 | int usage_data_rawdemod_ab(void){ | |
113 | PrintAndLog("Usage: data rawdemod ab [offset] [clock] <invert> [maxError] [maxLen] <amplify>"); | |
114 | PrintAndLog(" [offset], offset to begin biphase, default=0"); | |
115 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); | |
116 | PrintAndLog(" <invert>, 1 to invert output"); | |
117 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
118 | PrintAndLog(" [set maximum Samples to read], default = 32768 (512 bits at rf/64)"); | |
119 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); | |
120 | PrintAndLog(" NOTE: <invert> can be entered as second or third argument"); | |
121 | PrintAndLog(" NOTE: <amplify> can be entered as first, second or last argument"); | |
122 | PrintAndLog(" NOTE: any other arg must have previous args set to work"); | |
123 | PrintAndLog(""); | |
124 | PrintAndLog(" NOTE: --invert for Conditional Dephase Encoding (CDP) AKA Differential Manchester"); | |
125 | PrintAndLog(""); | |
126 | PrintAndLog(" sample: data rawdemod ab = demod an ask/biph tag from GraphBuffer"); | |
127 | PrintAndLog(" : data rawdemod ab 0 a = demod an ask/biph tag from GraphBuffer, amplified"); | |
128 | PrintAndLog(" : data rawdemod ab 1 32 = demod an ask/biph tag from GraphBuffer using an offset of 1 and a clock of RF/32"); | |
129 | PrintAndLog(" : data rawdemod ab 0 32 1 = demod an ask/biph tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
130 | PrintAndLog(" : data rawdemod ab 0 1 = demod an ask/biph tag from GraphBuffer while inverting data"); | |
131 | PrintAndLog(" : data rawdemod ab 0 64 1 0 = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
132 | PrintAndLog(" : data rawdemod ab 0 64 1 0 0 a = demod an ask/biph tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); | |
133 | return 0; | |
134 | } | |
135 | int usage_data_rawdemod_ar(void){ | |
136 | PrintAndLog("Usage: data rawdemod ar [clock] <invert> [maxError] [maxLen] [amplify]"); | |
137 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect"); | |
138 | PrintAndLog(" <invert>, 1 to invert output"); | |
139 | PrintAndLog(" [set maximum allowed errors], default = 100"); | |
140 | PrintAndLog(" [set maximum Samples to read], default = 32768 (1024 bits at rf/64)"); | |
141 | PrintAndLog(" <amplify>, 'a' to attempt demod with ask amplification, default = no amp"); | |
142 | PrintAndLog(""); | |
143 | PrintAndLog(" sample: data rawdemod ar = demod an ask tag from GraphBuffer"); | |
144 | PrintAndLog(" : data rawdemod ar a = demod an ask tag from GraphBuffer, amplified"); | |
145 | PrintAndLog(" : data rawdemod ar 32 = demod an ask tag from GraphBuffer using a clock of RF/32"); | |
146 | PrintAndLog(" : data rawdemod ar 32 1 = demod an ask tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
147 | PrintAndLog(" : data rawdemod ar 1 = demod an ask tag from GraphBuffer while inverting data"); | |
148 | PrintAndLog(" : data rawdemod ar 64 1 0 = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
149 | PrintAndLog(" : data rawdemod ar 64 1 0 0 a = demod an ask tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors, and amp"); | |
150 | return 0; | |
151 | } | |
152 | int usage_data_rawdemod_fs(void){ | |
153 | PrintAndLog("Usage: data rawdemod fs [clock] <invert> [fchigh] [fclow]"); | |
154 | PrintAndLog(" [set clock as integer] optional, omit for autodetect."); | |
155 | PrintAndLog(" <invert>, 1 for invert output, can be used even if the clock is omitted"); | |
156 | PrintAndLog(" [fchigh], larger field clock length, omit for autodetect"); | |
157 | PrintAndLog(" [fclow], small field clock length, omit for autodetect"); | |
158 | PrintAndLog(""); | |
159 | PrintAndLog(" sample: data rawdemod fs = demod an fsk tag from GraphBuffer using autodetect"); | |
160 | PrintAndLog(" : data rawdemod fs 32 = demod an fsk tag from GraphBuffer using a clock of RF/32, autodetect fc"); | |
161 | PrintAndLog(" : data rawdemod fs 1 = demod an fsk tag from GraphBuffer using autodetect, invert output"); | |
162 | PrintAndLog(" : data rawdemod fs 32 1 = demod an fsk tag from GraphBuffer using a clock of RF/32, invert output, autodetect fc"); | |
163 | PrintAndLog(" : data rawdemod fs 64 0 8 5 = demod an fsk1 RF/64 tag from GraphBuffer"); | |
164 | PrintAndLog(" : data rawdemod fs 50 0 10 8 = demod an fsk2 RF/50 tag from GraphBuffer"); | |
165 | PrintAndLog(" : data rawdemod fs 50 1 10 8 = demod an fsk2a RF/50 tag from GraphBuffer"); | |
166 | return 0; | |
167 | } | |
168 | int usage_data_rawdemod_nr(void){ | |
169 | PrintAndLog("Usage: data rawdemod nr [clock] <0|1> [maxError]"); | |
170 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
171 | PrintAndLog(" <invert>, 1 for invert output"); | |
172 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
173 | PrintAndLog(""); | |
174 | PrintAndLog(" sample: data rawdemod nr = demod a nrz/direct tag from GraphBuffer"); | |
175 | PrintAndLog(" : data rawdemod nr 32 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32"); | |
176 | PrintAndLog(" : data rawdemod nr 32 1 = demod a nrz/direct tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
177 | PrintAndLog(" : data rawdemod nr 1 = demod a nrz/direct tag from GraphBuffer while inverting data"); | |
178 | PrintAndLog(" : data rawdemod nr 64 1 0 = demod a nrz/direct tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
179 | return 0; | |
180 | } | |
181 | int usage_data_rawdemod_p1(void){ | |
182 | PrintAndLog("Usage: data rawdemod p1 [clock] <0|1> [maxError]"); | |
183 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
184 | PrintAndLog(" <invert>, 1 for invert output"); | |
185 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
186 | PrintAndLog(""); | |
187 | PrintAndLog(" sample: data rawdemod p1 = demod a psk1 tag from GraphBuffer"); | |
188 | PrintAndLog(" : data rawdemod p1 32 = demod a psk1 tag from GraphBuffer using a clock of RF/32"); | |
189 | PrintAndLog(" : data rawdemod p1 32 1 = demod a psk1 tag from GraphBuffer using a clock of RF/32 and inverting data"); | |
190 | PrintAndLog(" : data rawdemod p1 1 = demod a psk1 tag from GraphBuffer while inverting data"); | |
191 | PrintAndLog(" : data rawdemod p1 64 1 0 = demod a psk1 tag from GraphBuffer using a clock of RF/64, inverting data and allowing 0 demod errors"); | |
192 | return 0; | |
193 | } | |
194 | int usage_data_rawdemod_p2(void){ | |
195 | PrintAndLog("Usage: data rawdemod p2 [clock] <0|1> [maxError]"); | |
196 | PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); | |
197 | PrintAndLog(" <invert>, 1 for invert output"); | |
198 | PrintAndLog(" [set maximum allowed errors], default = 100."); | |
199 | PrintAndLog(""); | |
200 | PrintAndLog(" sample: data rawdemod p2 = demod a psk2 tag from GraphBuffer, autodetect clock"); | |
201 | PrintAndLog(" : data rawdemod p2 32 = demod a psk2 tag from GraphBuffer using a clock of RF/32"); | |
202 | PrintAndLog(" : data rawdemod p2 32 1 = demod a psk2 tag from GraphBuffer using a clock of RF/32 and inverting output"); | |
203 | PrintAndLog(" : data rawdemod p2 1 = demod a psk2 tag from GraphBuffer, autodetect clock and invert output"); | |
204 | PrintAndLog(" : data rawdemod p2 64 1 0 = demod a psk2 tag from GraphBuffer using a clock of RF/64, inverting output and allowing 0 demod errors"); | |
205 | return 0; | |
206 | } | |
207 | int usage_data_autocorr(void) { | |
208 | PrintAndLog("Usage: data autocorr [window] [g]"); | |
209 | PrintAndLog("Options:"); | |
210 | PrintAndLog(" h This help"); | |
211 | PrintAndLog(" [window] window length for correlation - default = 4000"); | |
212 | PrintAndLog(" g save back to GraphBuffer (overwrite)"); | |
213 | return 0; | |
214 | } | |
215 | int usage_data_undecimate(void){ | |
216 | PrintAndLog("Usage: data undec [factor]"); | |
217 | PrintAndLog("This function performs un-decimation, by repeating each sample N times"); | |
218 | PrintAndLog("Options: "); | |
219 | PrintAndLog(" h This help"); | |
220 | PrintAndLog(" factor The number of times to repeat each sample.[default:2]"); | |
221 | PrintAndLog("Example: 'data undec 3'"); | |
222 | return 0; | |
223 | } | |
224 | int usage_data_detectclock(void){ | |
225 | PrintAndLog("Usage: data detectclock [modulation] <clock>"); | |
226 | PrintAndLog(" [modulation as char], specify the modulation type you want to detect the clock of"); | |
227 | PrintAndLog(" <clock> , specify the clock (optional - to get best start position only)"); | |
228 | PrintAndLog(" 'a' = ask, 'f' = fsk, 'n' = nrz/direct, 'p' = psk"); | |
229 | PrintAndLog(""); | |
230 | PrintAndLog(" sample: data detectclock a = detect the clock of an ask modulated wave in the GraphBuffer"); | |
231 | PrintAndLog(" data detectclock f = detect the clock of an fsk modulated wave in the GraphBuffer"); | |
232 | PrintAndLog(" data detectclock p = detect the clock of an psk modulated wave in the GraphBuffer"); | |
233 | PrintAndLog(" data detectclock n = detect the clock of an nrz/direct modulated wave in the GraphBuffer"); | |
234 | return 0; | |
235 | } | |
236 | int usage_data_hex2bin(void){ | |
237 | PrintAndLog("Usage: data hex2bin <hex_digits>"); | |
238 | PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)"); | |
239 | return 0; | |
240 | } | |
241 | int usage_data_bin2hex(void){ | |
242 | PrintAndLog("Usage: data bin2hex <binary_digits>"); | |
243 | PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)"); | |
244 | return 0; | |
245 | } | |
c621ae06 | 246 | int usage_data_buffclear(void){ |
247 | PrintAndLog("This function clears the bigbuff on deviceside"); | |
248 | PrintAndLog("Usage: data buffclear [h]"); | |
249 | PrintAndLog("Options:"); | |
250 | PrintAndLog(" h This help"); | |
251 | return 0; | |
252 | } | |
a0c7eea7 | 253 | |
4118b74d | 254 | //set the demod buffer with given array of binary (one bit per byte) |
255 | //by marshmellow | |
ec75f5c1 | 256 | void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx) |
4118b74d | 257 | { |
c621ae06 | 258 | if (buff == NULL) return; |
13d77ef9 | 259 | |
c621ae06 | 260 | if (size >= MAX_DEMOD_BUF_LEN) |
13d77ef9 | 261 | size = MAX_DEMOD_BUF_LEN; |
c48211f7 | 262 | |
263 | for (size_t i = 0; i < size; i++) | |
c621ae06 | 264 | DemodBuffer[i] = buff[startIdx++]; |
c48211f7 | 265 | |
56d0fb8e | 266 | DemodBufferLen = size; |
4118b74d | 267 | } |
268 | ||
c48211f7 | 269 | int CmdSetDebugMode(const char *Cmd) { |
270 | int demod = 0; | |
e0165dcf | 271 | sscanf(Cmd, "%i", &demod); |
c48211f7 | 272 | g_debugMode = (uint8_t)demod; |
e0165dcf | 273 | return 1; |
ec75f5c1 | 274 | } |
275 | ||
4118b74d | 276 | //by marshmellow |
abd6112f | 277 | void printDemodBuff(void) |
4118b74d | 278 | { |
ba1a299c | 279 | int bitLen = DemodBufferLen; |
c621ae06 | 280 | if (bitLen < 1) { |
ba1a299c | 281 | PrintAndLog("no bits found in demod buffer"); |
282 | return; | |
283 | } | |
c621ae06 | 284 | if (bitLen > 512) bitLen=512; //max output to 512 bits if we have more - should be plenty |
e0165dcf | 285 | |
9d7e9935 | 286 | char *bin = sprint_bin_break(DemodBuffer, bitLen,16); |
2767fc02 | 287 | PrintAndLog("%s",bin); |
4118b74d | 288 | } |
289 | ||
8d960002 | 290 | int CmdPrintDemodBuff(const char *Cmd) |
291 | { | |
c621ae06 | 292 | char hex[512] = {0x00}; |
2d2f7d19 | 293 | bool hexMode = false; |
294 | bool errors = false; | |
bf32dd92 | 295 | uint32_t offset = 0; //could be size_t but no param_get16... |
296 | uint32_t length = 512; | |
2d2f7d19 | 297 | char cmdp = 0; |
298 | while(param_getchar(Cmd, cmdp) != 0x00) | |
299 | { | |
300 | switch(param_getchar(Cmd, cmdp)) | |
301 | { | |
302 | case 'h': | |
303 | case 'H': | |
304 | return usage_data_printdemodbuf(); | |
305 | case 'x': | |
306 | case 'X': | |
307 | hexMode = true; | |
308 | cmdp++; | |
309 | break; | |
310 | case 'o': | |
311 | case 'O': | |
bf32dd92 | 312 | offset = param_get32ex(Cmd, cmdp+1, 0, 10); |
2d2f7d19 | 313 | if (!offset) errors = true; |
314 | cmdp += 2; | |
315 | break; | |
bf32dd92 | 316 | case 'l': |
317 | case 'L': | |
318 | length = param_get32ex(Cmd, cmdp+1, 512, 10); | |
319 | if (!length) errors = true; | |
320 | cmdp += 2; | |
321 | break; | |
2d2f7d19 | 322 | default: |
323 | PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); | |
324 | errors = true; | |
325 | break; | |
326 | } | |
327 | if(errors) break; | |
e0165dcf | 328 | } |
2d2f7d19 | 329 | //Validations |
330 | if(errors) return usage_data_printdemodbuf(); | |
31649387 | 331 | |
332 | if (DemodBufferLen == 0) { | |
333 | PrintAndLog("Demodbuffer is empty"); | |
334 | return 0; | |
335 | } | |
bf32dd92 | 336 | length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length; |
337 | int numBits = (length) & 0x00FFC; //make sure we don't exceed our string | |
2d2f7d19 | 338 | |
339 | if (hexMode){ | |
340 | char *buf = (char *) (DemodBuffer + offset); | |
bf32dd92 | 341 | numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits; |
2d2f7d19 | 342 | numBits = binarraytohex(hex, buf, numBits); |
e0165dcf | 343 | if (numBits==0) return 0; |
2d2f7d19 | 344 | PrintAndLog("DemodBuffer: %s",hex); |
e0165dcf | 345 | } else { |
52f2df61 | 346 | PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer+offset,numBits,16)); |
e0165dcf | 347 | } |
348 | return 1; | |
8d960002 | 349 | } |
7fe9b0b7 | 350 | |
2767fc02 | 351 | //by marshmellow |
78f5b1a7 | 352 | //this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer |
353 | int CmdGetBitStream(const char *Cmd) | |
354 | { | |
e0165dcf | 355 | CmdHpf(Cmd); |
c621ae06 | 356 | for (uint32_t i = 0; i < GraphTraceLen; i++) |
357 | GraphBuffer[i] = (GraphBuffer[i] >= 1) ? 1 : 0; | |
358 | ||
e0165dcf | 359 | RepaintGraphWindow(); |
360 | return 0; | |
78f5b1a7 | 361 | } |
362 | ||
d5a72d2f | 363 | //by marshmellow |
abd6112f | 364 | //print 64 bit EM410x ID in multiple formats |
b41534d1 | 365 | void printEM410x(uint32_t hi, uint64_t id) |
2fc2150e | 366 | { |
41611dee | 367 | //if (!id && !hi) return; |
368 | ||
369 | PrintAndLog("EM410x %s pattern found", (hi) ? "XL" : "" ); | |
370 | ||
371 | uint64_t iii=1; | |
372 | uint64_t id2lo=0; | |
373 | uint32_t ii=0; | |
374 | uint32_t i=0; | |
375 | for (ii=5; ii>0;ii--){ | |
376 | for (i=0;i<8;i++){ | |
377 | id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8))); | |
e0165dcf | 378 | } |
41611dee | 379 | } |
380 | ||
381 | if (hi){ | |
382 | //output 88 bit em id | |
383 | PrintAndLog("\nEM TAG ID : %06X%016" PRIX64, hi, id); | |
384 | } else{ | |
385 | //output 40 bit em id | |
386 | PrintAndLog("\nEM TAG ID : %010" PRIX64, id); | |
387 | PrintAndLog("\nPossible de-scramble patterns"); | |
388 | PrintAndLog("Unique TAG ID : %010" PRIX64, id2lo); | |
389 | PrintAndLog("HoneyWell IdentKey {"); | |
390 | PrintAndLog("DEZ 8 : %08" PRIu64, id & 0xFFFFFF); | |
391 | PrintAndLog("DEZ 10 : %010" PRIu64, id & 0xFFFFFFFF); | |
392 | PrintAndLog("DEZ 5.5 : %05" PRIu64 ".%05" PRIu64, (id>>16LL) & 0xFFFF, (id & 0xFFFF)); | |
393 | PrintAndLog("DEZ 3.5A : %03" PRIu64 ".%05" PRIu64, (id>>32ll), (id & 0xFFFF)); | |
394 | PrintAndLog("DEZ 3.5B : %03" PRIu64 ".%05" PRIu64, (id & 0xFF000000) >> 24, (id & 0xFFFF)); | |
395 | PrintAndLog("DEZ 3.5C : %03" PRIu64 ".%05" PRIu64, (id & 0xFF0000) >> 16, (id & 0xFFFF)); | |
396 | PrintAndLog("DEZ 14/IK2 : %014" PRIu64, id); | |
397 | PrintAndLog("DEZ 15/IK3 : %015" PRIu64, id2lo); | |
398 | PrintAndLog("DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64, | |
399 | (id2lo & 0xf000000000) >> 36, | |
400 | (id2lo & 0x0f00000000) >> 32, | |
401 | (id2lo & 0x00f0000000) >> 28, | |
402 | (id2lo & 0x000f000000) >> 24, | |
403 | (id2lo & 0x0000f00000) >> 20, | |
404 | (id2lo & 0x00000f0000) >> 16, | |
405 | (id2lo & 0x000000f000) >> 12, | |
406 | (id2lo & 0x0000000f00) >> 8, | |
407 | (id2lo & 0x00000000f0) >> 4, | |
408 | (id2lo & 0x000000000f) | |
409 | ); | |
410 | uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00; | |
411 | PrintAndLog("}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64, (id&0xFFFF), ((id>>16LL) & 0xFF), (id & 0xFFFFFF)); | |
412 | PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton); | |
e0165dcf | 413 | |
41611dee | 414 | uint32_t p1id = (id & 0xFFFFFF); |
415 | uint8_t arr[32] = {0x00}; | |
416 | int i =0; | |
417 | int j = 23; | |
418 | for (; i < 24; ++i, --j ){ | |
419 | arr[i] = (p1id >> i) & 1; | |
420 | } | |
e0165dcf | 421 | |
41611dee | 422 | uint32_t p1 = 0; |
e0165dcf | 423 | |
41611dee | 424 | p1 |= arr[23] << 21; |
425 | p1 |= arr[22] << 23; | |
426 | p1 |= arr[21] << 20; | |
427 | p1 |= arr[20] << 22; | |
428 | ||
429 | p1 |= arr[19] << 18; | |
430 | p1 |= arr[18] << 16; | |
431 | p1 |= arr[17] << 19; | |
432 | p1 |= arr[16] << 17; | |
433 | ||
434 | p1 |= arr[15] << 13; | |
435 | p1 |= arr[14] << 15; | |
436 | p1 |= arr[13] << 12; | |
437 | p1 |= arr[12] << 14; | |
e0165dcf | 438 | |
41611dee | 439 | p1 |= arr[11] << 6; |
440 | p1 |= arr[10] << 2; | |
441 | p1 |= arr[9] << 7; | |
442 | p1 |= arr[8] << 1; | |
e0165dcf | 443 | |
41611dee | 444 | p1 |= arr[7] << 0; |
445 | p1 |= arr[6] << 8; | |
446 | p1 |= arr[5] << 11; | |
447 | p1 |= arr[4] << 3; | |
e0165dcf | 448 | |
41611dee | 449 | p1 |= arr[3] << 10; |
450 | p1 |= arr[2] << 4; | |
451 | p1 |= arr[1] << 5; | |
452 | p1 |= arr[0] << 9; | |
453 | PrintAndLog("Pattern 1 : %d [0x%X]", p1, p1); | |
e0165dcf | 454 | |
41611dee | 455 | uint16_t sebury1 = id & 0xFFFF; |
456 | uint8_t sebury2 = (id >> 16) & 0x7F; | |
457 | uint32_t sebury3 = id & 0x7FFFFF; | |
458 | PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3); | |
e0165dcf | 459 | } |
460 | return; | |
eb191de6 | 461 | } |
462 | ||
fef74fdc | 463 | int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ) |
13d77ef9 | 464 | { |
fef74fdc | 465 | size_t idx = 0; |
da1f16d6 | 466 | size_t size = DemodBufferLen; |
c621ae06 | 467 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; |
da1f16d6 | 468 | memcpy(BitStream, DemodBuffer, size); |
469 | int ans = Em410xDecode(BitStream, &size, &idx, hi, lo); | |
470 | if ( ans < 0){ | |
e0165dcf | 471 | if (g_debugMode){ |
da1f16d6 | 472 | if (ans == -1) |
473 | PrintAndLog("DEBUG: Error - Em410x not only 0|1 in decoded bitstream"); | |
474 | else if (ans == -3) | |
475 | PrintAndLog("DEBUG: Error - Em410x Size not correct: %d", size); | |
476 | else if (ans == -4) | |
477 | PrintAndLog("DEBUG: Error - Em410x preamble not found"); | |
478 | else if (ans == -5) | |
479 | PrintAndLog("DEBUG: Error - Em410x parity failed"); | |
fef74fdc | 480 | } |
da1f16d6 | 481 | return 0; |
e0165dcf | 482 | } |
41611dee | 483 | if (!lo && !hi) { |
484 | PrintAndLog("DEBUG: Error - Em410x decoded to all zeros"); | |
485 | return 0; | |
486 | } | |
487 | ||
da1f16d6 | 488 | //set GraphBuffer for clone or sim command |
489 | setDemodBuf(BitStream, size, idx); | |
490 | if (g_debugMode){ | |
bb73c58d | 491 | PrintAndLog("DEBUG: Em410x idx: %d, Len: %d, Printing Demod Buffer:", idx, size); |
da1f16d6 | 492 | printDemodBuff(); |
493 | } | |
41611dee | 494 | |
495 | if (verbose) | |
da1f16d6 | 496 | printEM410x(*hi, *lo); |
41611dee | 497 | |
da1f16d6 | 498 | return 1; |
13d77ef9 | 499 | } |
fef74fdc | 500 | |
501 | int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) | |
502 | { | |
05164399 | 503 | bool st = TRUE; |
504 | if (!ASKDemod_ext(Cmd, FALSE, FALSE, 1, &st)) return 0; | |
fef74fdc | 505 | return AskEm410xDecode(verbose, hi, lo); |
506 | } | |
507 | ||
e888ed8e | 508 | //by marshmellow |
e770c648 | 509 | //takes 3 arguments - clock, invert and maxErr as integers |
510 | //attempts to demodulate ask while decoding manchester | |
511 | //prints binary found and saves in graphbuffer for further commands | |
512 | int CmdAskEM410xDemod(const char *Cmd) | |
513 | { | |
e0165dcf | 514 | char cmdp = param_getchar(Cmd, 0); |
a0c7eea7 | 515 | if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') |
516 | return usage_data_askem410xdemod(); | |
517 | ||
e0165dcf | 518 | uint64_t lo = 0; |
fef74fdc | 519 | uint32_t hi = 0; |
520 | return AskEm410xDemod(Cmd, &hi, &lo, true); | |
e770c648 | 521 | } |
522 | ||
fef74fdc | 523 | //by marshmellow |
524 | //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a' | |
525 | // (amp may not be needed anymore) | |
526 | //verbose will print results and demoding messages | |
527 | //emSearch will auto search for EM410x format in bitstream | |
528 | //askType switches decode: ask/raw = 0, ask/manchester = 1 | |
05164399 | 529 | int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, bool *stCheck) { |
c621ae06 | 530 | int invert = 0; |
531 | int clk = 0; | |
532 | int maxErr = 100; | |
533 | int maxLen = 0; | |
fef74fdc | 534 | char amp = param_getchar(Cmd, 0); |
c621ae06 | 535 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; |
fef74fdc | 536 | sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &); |
bf32dd92 | 537 | if (!maxLen) maxLen = BIGBUF_SIZE; |
e0165dcf | 538 | if (invert != 0 && invert != 1) { |
539 | PrintAndLog("Invalid argument: %s", Cmd); | |
540 | return 0; | |
541 | } | |
542 | if (clk==1){ | |
543 | invert=1; | |
544 | clk=0; | |
545 | } | |
546 | size_t BitLen = getFromGraphBuf(BitStream); | |
31649387 | 547 | if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d", BitLen); |
fef74fdc | 548 | if (BitLen<255) return 0; |
23f0a7d8 | 549 | if (maxLen<BitLen && maxLen != 0) BitLen = maxLen; |
05164399 | 550 | int foundclk = 0; |
a38f5a07 | 551 | //amp before ST check |
bd09006a | 552 | if (amp == 'a' || amp == 'A') |
a38f5a07 | 553 | askAmp(BitStream, BitLen); |
bd09006a | 554 | |
05164399 | 555 | bool st = false; |
556 | if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk); | |
557 | if (st) { | |
558 | *stCheck = st; | |
559 | clk = (clk == 0) ? foundclk : clk; | |
560 | if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator"); | |
561 | } | |
bd09006a | 562 | |
a38f5a07 | 563 | int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, 0, askType); |
fef74fdc | 564 | if (errCnt<0 || BitLen<16){ //if fatal error (or -1) |
2767fc02 | 565 | if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk); |
e0165dcf | 566 | return 0; |
567 | } | |
31649387 | 568 | if (errCnt > maxErr){ |
2767fc02 | 569 | if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk); |
570 | return 0; | |
571 | } | |
572 | if (verbose || g_debugMode) PrintAndLog("\nUsing Clock:%d, Invert:%d, Bits Found:%d",clk,invert,BitLen); | |
e0165dcf | 573 | |
574 | //output | |
e0165dcf | 575 | setDemodBuf(BitStream,BitLen,0); |
fef74fdc | 576 | if (verbose || g_debugMode){ |
c621ae06 | 577 | if (errCnt>0) |
578 | PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); | |
579 | if (askType) | |
580 | PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk); | |
581 | else | |
582 | PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk); | |
fef74fdc | 583 | // Now output the bitstream to the scrollback by line of 16 bits |
c621ae06 | 584 | printDemodBuff(); |
fef74fdc | 585 | } |
586 | uint64_t lo = 0; | |
587 | uint32_t hi = 0; | |
c621ae06 | 588 | if (emSearch) |
fef74fdc | 589 | AskEm410xDecode(true, &hi, &lo); |
c621ae06 | 590 | |
e0165dcf | 591 | return 1; |
eb191de6 | 592 | } |
05164399 | 593 | int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) { |
594 | bool st = false; | |
595 | return ASKDemod_ext(Cmd, verbose, emSearch, askType, &st); | |
596 | } | |
eb191de6 | 597 | |
4ac906d1 | 598 | //by marshmellow |
fef74fdc | 599 | //takes 5 arguments - clock, invert, maxErr, maxLen as integers and amplify as char == 'a' |
4ac906d1 | 600 | //attempts to demodulate ask while decoding manchester |
601 | //prints binary found and saves in graphbuffer for further commands | |
602 | int Cmdaskmandemod(const char *Cmd) | |
603 | { | |
e0165dcf | 604 | char cmdp = param_getchar(Cmd, 0); |
a38f5a07 | 605 | if (strlen(Cmd) > 45 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_am(); |
a0c7eea7 | 606 | |
05164399 | 607 | bool st = TRUE; |
608 | if (Cmd[0]=='s') | |
609 | return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st); | |
610 | else if (Cmd[1] == 's') | |
611 | return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st); | |
c621ae06 | 612 | |
fef74fdc | 613 | return ASKDemod(Cmd, TRUE, TRUE, 1); |
4ac906d1 | 614 | } |
615 | ||
eb191de6 | 616 | //by marshmellow |
d5a72d2f | 617 | //manchester decode |
eb191de6 | 618 | //stricktly take 10 and 01 and convert to 0 and 1 |
619 | int Cmdmandecoderaw(const char *Cmd) | |
620 | { | |
c621ae06 | 621 | int i = 0; |
622 | int errCnt = 0; | |
623 | size_t size = 0; | |
624 | int invert = 0; | |
0ad1a1d4 | 625 | int maxErr = 20; |
e0165dcf | 626 | char cmdp = param_getchar(Cmd, 0); |
c621ae06 | 627 | if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') return usage_data_manrawdecode(); |
a0c7eea7 | 628 | |
e0165dcf | 629 | if (DemodBufferLen==0) return 0; |
c621ae06 | 630 | |
631 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; | |
632 | int high = 0, low = 0; | |
633 | for (; i < DemodBufferLen; ++i){ | |
634 | if (DemodBuffer[i] > high) | |
635 | high=DemodBuffer[i]; | |
636 | else if(DemodBuffer[i] < low) | |
637 | low=DemodBuffer[i]; | |
638 | BitStream[i] = DemodBuffer[i]; | |
e0165dcf | 639 | } |
1f918317 | 640 | if (high>7 || low <0 ){ |
2767fc02 | 641 | PrintAndLog("Error: please raw demod the wave first then manchester raw decode"); |
e0165dcf | 642 | return 0; |
643 | } | |
1f918317 | 644 | |
fef74fdc | 645 | sscanf(Cmd, "%i %i", &invert, &maxErr); |
31649387 | 646 | size = i; |
647 | errCnt = manrawdecode(BitStream, &size, invert); | |
c621ae06 | 648 | if (errCnt >= maxErr){ |
e0165dcf | 649 | PrintAndLog("Too many errors: %d",errCnt); |
650 | return 0; | |
651 | } | |
652 | PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt); | |
2767fc02 | 653 | PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); |
c621ae06 | 654 | if (errCnt == 0){ |
e0165dcf | 655 | uint64_t id = 0; |
656 | uint32_t hi = 0; | |
657 | size_t idx=0; | |
658 | if (Em410xDecode(BitStream, &size, &idx, &hi, &id)){ | |
659 | //need to adjust to set bitstream back to manchester encoded data | |
660 | //setDemodBuf(BitStream, size, idx); | |
e0165dcf | 661 | printEM410x(hi, id); |
662 | } | |
663 | } | |
664 | return 1; | |
d5a72d2f | 665 | } |
666 | ||
667 | //by marshmellow | |
668 | //biphase decode | |
669 | //take 01 or 10 = 0 and 11 or 00 = 1 | |
1e090a61 | 670 | //takes 2 arguments "offset" default = 0 if 1 it will shift the decode by one bit |
671 | // and "invert" default = 0 if 1 it will invert output | |
2767fc02 | 672 | // the argument offset allows us to manually shift if the output is incorrect - [EDIT: now auto detects] |
d5a72d2f | 673 | int CmdBiphaseDecodeRaw(const char *Cmd) |
674 | { | |
ba1a299c | 675 | size_t size=0; |
b41534d1 | 676 | int offset=0, invert=0, maxErr=20, errCnt=0; |
b4fb11ba | 677 | char cmdp = param_getchar(Cmd, 0); |
c621ae06 | 678 | if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_data_biphaserawdecode(); |
a0c7eea7 | 679 | |
b41534d1 | 680 | sscanf(Cmd, "%i %i %i", &offset, &invert, &maxErr); |
681 | if (DemodBufferLen==0){ | |
682 | PrintAndLog("DemodBuffer Empty - run 'data rawdemod ar' first"); | |
b4fb11ba | 683 | return 0; |
684 | } | |
b41534d1 | 685 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
686 | memcpy(BitStream, DemodBuffer, DemodBufferLen); | |
687 | size = DemodBufferLen; | |
1e090a61 | 688 | errCnt=BiphaseRawDecode(BitStream, &size, offset, invert); |
c621ae06 | 689 | if (errCnt < 0){ |
b41534d1 | 690 | PrintAndLog("Error during decode:%d", errCnt); |
691 | return 0; | |
692 | } | |
c621ae06 | 693 | if (errCnt > maxErr){ |
b4fb11ba | 694 | PrintAndLog("Too many errors attempting to decode: %d",errCnt); |
695 | return 0; | |
696 | } | |
b41534d1 | 697 | |
c621ae06 | 698 | if (errCnt > 0) |
2767fc02 | 699 | PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt); |
c621ae06 | 700 | |
b41534d1 | 701 | PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert); |
2767fc02 | 702 | PrintAndLog("%s", sprint_bin_break(BitStream, size, 16)); |
b41534d1 | 703 | |
c621ae06 | 704 | if (offset) |
705 | setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod | |
b4fb11ba | 706 | return 1; |
eb191de6 | 707 | } |
708 | ||
b41534d1 | 709 | //by marshmellow |
710 | // - ASK Demod then Biphase decode GraphBuffer samples | |
711 | int ASKbiphaseDemod(const char *Cmd, bool verbose) | |
712 | { | |
713 | //ask raw demod GraphBuffer first | |
b4c1f167 | 714 | int offset=0, clk=0, invert=0, maxErr=0; |
715 | sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr); | |
1299c798 | 716 | |
b41534d1 | 717 | uint8_t BitStream[MAX_DEMOD_BUF_LEN]; |
6c283951 | 718 | size_t size = getFromGraphBuf(BitStream); |
719 | if (size == 0 ) { | |
720 | if (g_debugMode) PrintAndLog("DEBUG: no data in graphbuf"); | |
721 | return 0; | |
722 | } | |
b10a759f | 723 | //invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer |
b4c1f167 | 724 | int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); |
1299c798 | 725 | if ( errCnt < 0 || errCnt > maxErr ) { |
726 | if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); | |
727 | return 0; | |
728 | } | |
729 | ||
730 | //attempt to Biphase decode BitStream | |
731 | errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); | |
b41534d1 | 732 | if (errCnt < 0){ |
bb73c58d | 733 | if (g_debugMode || verbose) PrintAndLog("DEBUG: Error BiphaseRawDecode: %d", errCnt); |
b41534d1 | 734 | return 0; |
735 | } | |
736 | if (errCnt > maxErr) { | |
bb73c58d | 737 | if (g_debugMode || verbose) PrintAndLog("DEBUG: Error BiphaseRawDecode too many errors: %d", errCnt); |
b41534d1 | 738 | return 0; |
739 | } | |
740 | //success set DemodBuffer and return | |
741 | setDemodBuf(BitStream, size, 0); | |
742 | if (g_debugMode || verbose){ | |
1299c798 | 743 | PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt); |
b41534d1 | 744 | printDemodBuff(); |
745 | } | |
746 | return 1; | |
747 | } | |
748 | //by marshmellow - see ASKbiphaseDemod | |
749 | int Cmdaskbiphdemod(const char *Cmd) | |
750 | { | |
e0165dcf | 751 | char cmdp = param_getchar(Cmd, 0); |
c621ae06 | 752 | if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ab(); |
a0c7eea7 | 753 | |
e0165dcf | 754 | return ASKbiphaseDemod(Cmd, TRUE); |
b41534d1 | 755 | } |
756 | ||
8d960002 | 757 | //by marshmellow |
758 | //attempts to demodulate and identify a G_Prox_II verex/chubb card | |
759 | //WARNING: if it fails during some points it will destroy the DemodBuffer data | |
760 | // but will leave the GraphBuffer intact. | |
761 | //if successful it will push askraw data back to demod buffer ready for emulation | |
762 | int CmdG_Prox_II_Demod(const char *Cmd) | |
763 | { | |
e0165dcf | 764 | if (!ASKbiphaseDemod(Cmd, FALSE)){ |
bb73c58d | 765 | if (g_debugMode) PrintAndLog("DEBUG: Error - gProxII ASKbiphaseDemod failed 1st try"); |
e0165dcf | 766 | return 0; |
767 | } | |
768 | size_t size = DemodBufferLen; | |
769 | //call lfdemod.c demod for gProxII | |
770 | int ans = gProxII_Demod(DemodBuffer, &size); | |
771 | if (ans < 0){ | |
bb73c58d | 772 | if (g_debugMode) PrintAndLog("DEBUG: Error - gProxII demod"); |
e0165dcf | 773 | return 0; |
774 | } | |
c728b2b4 | 775 | //got a good demod of 96 bits |
776 | uint8_t ByteStream[8] = {0x00}; | |
c621ae06 | 777 | uint8_t xorKey = 0; |
c728b2b4 | 778 | size_t startIdx = ans + 6; //start after 6 bit preamble |
779 | ||
780 | uint8_t bits_no_spacer[90]; | |
781 | //so as to not mess with raw DemodBuffer copy to a new sample array | |
782 | memcpy(bits_no_spacer, DemodBuffer + startIdx, 90); | |
783 | // remove the 18 (90/5=18) parity bits (down to 72 bits (96-6-18=72)) | |
784 | size_t bitLen = removeParity(bits_no_spacer, 0, 5, 3, 90); //source, startloc, paritylen, ptype, length_to_run | |
785 | if (bitLen != 72) { | |
c621ae06 | 786 | if (g_debugMode) |
787 | PrintAndLog("DEBUG: Error - gProxII spacer removal did not produce 72 bits: %u, start: %u", bitLen, startIdx); | |
788 | return 0; | |
789 | } | |
c728b2b4 | 790 | // get key and then get all 8 bytes of payload decoded |
791 | xorKey = (uint8_t)bytebits_to_byteLSBF(bits_no_spacer, 8); | |
792 | for (size_t idx = 0; idx < 8; idx++) { | |
793 | ByteStream[idx] = ((uint8_t)bytebits_to_byteLSBF(bits_no_spacer+8 + (idx*8),8)) ^ xorKey; | |
bb73c58d | 794 | if (g_debugMode) PrintAndLog("DEBUG: gProxII byte %u after xor: %02x", (unsigned int)idx, ByteStream[idx]); |
e0165dcf | 795 | } |
31649387 | 796 | |
797 | //ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data | |
e0165dcf | 798 | uint8_t fmtLen = ByteStream[0]>>2; |
799 | uint32_t FC = 0; | |
800 | uint32_t Card = 0; | |
c728b2b4 | 801 | //get raw 96 bits to print |
e0165dcf | 802 | uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32); |
803 | uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32); | |
804 | uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32); | |
31649387 | 805 | bool unknown = FALSE; |
806 | switch(fmtLen) { | |
807 | case 36: | |
808 | FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1); | |
809 | Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5); | |
810 | break; | |
811 | case 26: | |
812 | FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7); | |
813 | Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7); | |
814 | break; | |
815 | default : | |
816 | unknown = TRUE; | |
817 | break; | |
e0165dcf | 818 | } |
31649387 | 819 | if ( !unknown) |
820 | PrintAndLog("G-Prox-II Found: Format Len: %ubit - FC: %u - Card: %u, Raw: %08x%08x%08x", fmtLen, FC, Card, raw1, raw2, raw3); | |
821 | else | |
822 | PrintAndLog("Unknown G-Prox-II Fmt Found: Format Len: %u, Raw: %08x%08x%08x", fmtLen, raw1, raw2, raw3); | |
823 | ||
e0165dcf | 824 | setDemodBuf(DemodBuffer+ans, 96, 0); |
825 | return 1; | |
8d960002 | 826 | } |
827 | ||
a126332a | 828 | //by marshmellow |
829 | //see ASKDemod for what args are accepted | |
830 | int CmdVikingDemod(const char *Cmd) | |
831 | { | |
832 | if (!ASKDemod(Cmd, false, false, 1)) { | |
bb73c58d | 833 | if (g_debugMode) PrintAndLog("DEBUG: Error - Viking ASKDemod failed"); |
a126332a | 834 | return 0; |
835 | } | |
836 | size_t size = DemodBufferLen; | |
837 | //call lfdemod.c demod for Viking | |
838 | int ans = VikingDemod_AM(DemodBuffer, &size); | |
839 | if (ans < 0) { | |
bb73c58d | 840 | if (g_debugMode) PrintAndLog("DEBUG: Error - Viking Demod %d %s", ans, (ans == -5)?"[chksum error]":""); |
a126332a | 841 | return 0; |
842 | } | |
843 | //got a good demod | |
844 | uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32); | |
845 | uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32); | |
846 | uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32); | |
847 | uint8_t checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8); | |
848 | PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, checksum); | |
849 | PrintAndLog("Raw: %08X%08X", raw1,raw2); | |
850 | setDemodBuf(DemodBuffer+ans, 64, 0); | |
851 | return 1; | |
852 | } | |
853 | ||
fef74fdc | 854 | //by marshmellow - see ASKDemod |
4ac906d1 | 855 | int Cmdaskrawdemod(const char *Cmd) |
856 | { | |
e0165dcf | 857 | char cmdp = param_getchar(Cmd, 0); |
c621ae06 | 858 | if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ar(); |
a0c7eea7 | 859 | |
fef74fdc | 860 | return ASKDemod(Cmd, TRUE, FALSE, 0); |
4ac906d1 | 861 | } |
862 | ||
73d04bb4 | 863 | int AutoCorrelate(int window, bool SaveGrph, bool verbose) |
7fe9b0b7 | 864 | { |
e0165dcf | 865 | static int CorrelBuffer[MAX_GRAPH_TRACE_LEN]; |
866 | size_t Correlation = 0; | |
867 | int maxSum = 0; | |
868 | int lastMax = 0; | |
869 | if (verbose) PrintAndLog("performing %d correlations", GraphTraceLen - window); | |
870 | for (int i = 0; i < GraphTraceLen - window; ++i) { | |
871 | int sum = 0; | |
872 | for (int j = 0; j < window; ++j) { | |
873 | sum += (GraphBuffer[j]*GraphBuffer[i + j]) / 256; | |
874 | } | |
875 | CorrelBuffer[i] = sum; | |
876 | if (sum >= maxSum-100 && sum <= maxSum+100){ | |
877 | //another max | |
878 | Correlation = i-lastMax; | |
879 | lastMax = i; | |
880 | if (sum > maxSum) maxSum = sum; | |
881 | } else if (sum > maxSum){ | |
882 | maxSum=sum; | |
883 | lastMax = i; | |
884 | } | |
885 | } | |
886 | if (Correlation==0){ | |
887 | //try again with wider margin | |
888 | for (int i = 0; i < GraphTraceLen - window; i++){ | |
889 | if (CorrelBuffer[i] >= maxSum-(maxSum*0.05) && CorrelBuffer[i] <= maxSum+(maxSum*0.05)){ | |
890 | //another max | |
891 | Correlation = i-lastMax; | |
892 | lastMax = i; | |
893 | //if (CorrelBuffer[i] > maxSum) maxSum = sum; | |
894 | } | |
895 | } | |
896 | } | |
897 | if (verbose && Correlation > 0) PrintAndLog("Possible Correlation: %d samples",Correlation); | |
898 | ||
899 | if (SaveGrph){ | |
900 | GraphTraceLen = GraphTraceLen - window; | |
901 | memcpy(GraphBuffer, CorrelBuffer, GraphTraceLen * sizeof (int)); | |
902 | RepaintGraphWindow(); | |
903 | } | |
904 | return Correlation; | |
73d04bb4 | 905 | } |
7fe9b0b7 | 906 | |
73d04bb4 | 907 | int CmdAutoCorr(const char *Cmd) |
908 | { | |
e0165dcf | 909 | char cmdp = param_getchar(Cmd, 0); |
e3f9c50d | 910 | if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr(); |
e0165dcf | 911 | int window = 4000; //set default |
c621ae06 | 912 | char grph = 0; |
e0165dcf | 913 | bool updateGrph = FALSE; |
914 | sscanf(Cmd, "%i %c", &window, &grph); | |
915 | ||
916 | if (window >= GraphTraceLen) { | |
c621ae06 | 917 | PrintAndLog("window must be smaller than trace (%d samples)", GraphTraceLen); |
e0165dcf | 918 | return 0; |
919 | } | |
c621ae06 | 920 | if (grph == 'g') updateGrph = TRUE; |
e0165dcf | 921 | return AutoCorrelate(window, updateGrph, TRUE); |
7fe9b0b7 | 922 | } |
923 | ||
924 | int CmdBitsamples(const char *Cmd) | |
925 | { | |
e0165dcf | 926 | int cnt = 0; |
927 | uint8_t got[12288]; | |
952a8bb5 | 928 | |
a0c7eea7 | 929 | GetFromBigBuf(got, sizeof(got), 0); |
930 | WaitForResponse(CMD_ACK, NULL); | |
7fe9b0b7 | 931 | |
a0c7eea7 | 932 | for (int j = 0; j < sizeof(got); j++) { |
933 | for (int k = 0; k < 8; k++) { | |
c621ae06 | 934 | if(got[j] & (1 << (7 - k))) |
a0c7eea7 | 935 | GraphBuffer[cnt++] = 1; |
c621ae06 | 936 | else |
a0c7eea7 | 937 | GraphBuffer[cnt++] = 0; |
a0c7eea7 | 938 | } |
e0165dcf | 939 | } |
940 | GraphTraceLen = cnt; | |
941 | RepaintGraphWindow(); | |
942 | return 0; | |
7fe9b0b7 | 943 | } |
944 | ||
7fe9b0b7 | 945 | int CmdBuffClear(const char *Cmd) |
946 | { | |
c621ae06 | 947 | char cmdp = param_getchar(Cmd, 0); |
948 | if (cmdp == 'h' || cmdp == 'H') return usage_data_buffclear(); | |
949 | ||
a0c7eea7 | 950 | UsbCommand c = {CMD_BUFF_CLEAR, {0,0,0}}; |
e0165dcf | 951 | SendCommand(&c); |
952 | ClearGraph(true); | |
953 | return 0; | |
7fe9b0b7 | 954 | } |
955 | ||
956 | int CmdDec(const char *Cmd) | |
957 | { | |
a0c7eea7 | 958 | for (int i = 0; i < (GraphTraceLen >> 2); ++i) |
e0165dcf | 959 | GraphBuffer[i] = GraphBuffer[i * 2]; |
a0c7eea7 | 960 | |
961 | GraphTraceLen >>= 2; | |
e0165dcf | 962 | PrintAndLog("decimated by 2"); |
963 | RepaintGraphWindow(); | |
964 | return 0; | |
7fe9b0b7 | 965 | } |
698b649e MHS |
966 | /** |
967 | * Undecimate - I'd call it 'interpolate', but we'll save that | |
968 | * name until someone does an actual interpolation command, not just | |
969 | * blindly repeating samples | |
970 | * @param Cmd | |
971 | * @return | |
972 | */ | |
973 | int CmdUndec(const char *Cmd) | |
974 | { | |
a0c7eea7 | 975 | char cmdp = param_getchar(Cmd, 0); |
c621ae06 | 976 | if (cmdp == 'h' || cmdp == 'H') return usage_data_undecimate(); |
c856ceae | 977 | |
1d42f25f | 978 | uint8_t factor = param_get8ex(Cmd, 0, 2, 10); |
a0c7eea7 | 979 | |
698b649e | 980 | //We have memory, don't we? |
c621ae06 | 981 | int swap[MAX_GRAPH_TRACE_LEN] = {0}; |
982 | uint32_t g_index = 0, s_index = 0; | |
1d42f25f | 983 | while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN) |
698b649e | 984 | { |
c856ceae | 985 | int count = 0; |
1d42f25f | 986 | for (count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++) |
c856ceae | 987 | swap[s_index+count] = GraphBuffer[g_index]; |
1d42f25f | 988 | s_index += count; |
989 | g_index++; | |
698b649e | 990 | } |
698b649e | 991 | |
1d42f25f | 992 | memcpy(GraphBuffer, swap, s_index * sizeof(int)); |
c856ceae MHS |
993 | GraphTraceLen = s_index; |
994 | RepaintGraphWindow(); | |
698b649e MHS |
995 | return 0; |
996 | } | |
7fe9b0b7 | 997 | |
ec75f5c1 | 998 | //by marshmellow |
999 | //shift graph zero up or down based on input + or - | |
1000 | int CmdGraphShiftZero(const char *Cmd) | |
1001 | { | |
7d0efb37 | 1002 | int shift = 0, shiftedVal = 0; |
e0165dcf | 1003 | //set options from parameters entered with the command |
1004 | sscanf(Cmd, "%i", &shift); | |
7d0efb37 | 1005 | |
c621ae06 | 1006 | for(int i = 0; i < GraphTraceLen; i++){ |
1007 | if ( i+shift >= GraphTraceLen) | |
1008 | shiftedVal = GraphBuffer[i]; | |
1009 | else | |
1010 | shiftedVal = GraphBuffer[i] + shift; | |
1011 | ||
7d0efb37 | 1012 | if (shiftedVal > 127) |
1013 | shiftedVal = 127; | |
1014 | else if (shiftedVal < -127) | |
1015 | shiftedVal = -127; | |
1016 | GraphBuffer[i] = shiftedVal; | |
e0165dcf | 1017 | } |
1018 | CmdNorm(""); | |
1019 | return 0; | |
ec75f5c1 | 1020 | } |
1021 | ||
6de43508 | 1022 | //by marshmellow |
1023 | //use large jumps in read samples to identify edges of waves and then amplify that wave to max | |
2767fc02 | 1024 | //similar to dirtheshold, threshold commands |
6de43508 | 1025 | //takes a threshold length which is the measured length between two samples then determines an edge |
1026 | int CmdAskEdgeDetect(const char *Cmd) | |
1027 | { | |
e0165dcf | 1028 | int thresLen = 25; |
180ec86e | 1029 | int last = 0; |
e0165dcf | 1030 | sscanf(Cmd, "%i", &thresLen); |
49bbc60a | 1031 | |
180ec86e | 1032 | for(int i = 1; i < GraphTraceLen; ++i){ |
1033 | if (GraphBuffer[i] - GraphBuffer[i-1] >= thresLen) //large jump up | |
1034 | last = 127; | |
1035 | else if(GraphBuffer[i] - GraphBuffer[i-1] <= -1 * thresLen) //large jump down | |
1036 | last = -127; | |
1037 | ||
1038 | GraphBuffer[i-1] = last; | |
e0165dcf | 1039 | } |
1040 | RepaintGraphWindow(); | |
e0165dcf | 1041 | return 0; |
6de43508 | 1042 | } |
1043 | ||
7fe9b0b7 | 1044 | /* Print our clock rate */ |
ba1a299c | 1045 | // uses data from graphbuffer |
f3bf15e4 | 1046 | // adjusted to take char parameter for type of modulation to find the clock - by marshmellow. |
7fe9b0b7 | 1047 | int CmdDetectClockRate(const char *Cmd) |
1048 | { | |
f3bf15e4 | 1049 | char cmdp = param_getchar(Cmd, 0); |
a0c7eea7 | 1050 | if (strlen(Cmd) > 6 || strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') |
1051 | return usage_data_detectclock(); | |
1052 | ||
1053 | int ans = 0; | |
1054 | switch ( cmdp ) { | |
1055 | case 'a' : | |
1056 | case 'A' : | |
1057 | ans = GetAskClock(Cmd+1, true, false); | |
1058 | break; | |
1059 | case 'f' : | |
1060 | case 'F' : | |
1061 | ans = GetFskClock("", true, false); | |
1062 | break; | |
1063 | case 'n' : | |
1064 | case 'N' : | |
1065 | ans = GetNrzClock("", true, false); | |
1066 | break; | |
1067 | case 'p' : | |
1068 | case 'P' : | |
1069 | ans = GetPskClock("", true, false); | |
1070 | break; | |
1071 | default : | |
1072 | PrintAndLog ("Please specify a valid modulation to detect the clock of - see option h for help"); | |
1073 | break; | |
f3bf15e4 | 1074 | } |
1075 | return ans; | |
7fe9b0b7 | 1076 | } |
66707a3b | 1077 | |
2767fc02 | 1078 | char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert) |
1079 | { | |
98b2a3a1 | 1080 | static char fType[8]; |
1081 | memset(fType, 0x00, 8); | |
1082 | char *fskType = fType; | |
2767fc02 | 1083 | if (fchigh==10 && fclow==8){ |
1084 | if (invert) //fsk2a | |
1fe0992d | 1085 | memcpy(fskType, "FSK2a", 5); |
2767fc02 | 1086 | else //fsk2 |
1fe0992d | 1087 | memcpy(fskType, "FSK2", 4); |
2767fc02 | 1088 | } else if (fchigh == 8 && fclow == 5) { |
1089 | if (invert) | |
1fe0992d | 1090 | memcpy(fskType, "FSK1", 4); |
2767fc02 | 1091 | else |
1fe0992d | 1092 | memcpy(fskType, "FSK1a", 5); |
2767fc02 | 1093 | } else { |
1fe0992d | 1094 | memcpy(fskType, "FSK??", 5); |
2767fc02 | 1095 | } |
1096 | return fskType; | |
1097 | } | |
1098 | ||
2fc2150e | 1099 | //by marshmellow |
eb191de6 | 1100 | //fsk raw demod and print binary |
6de43508 | 1101 | //takes 4 arguments - Clock, invert, fchigh, fclow |
1102 | //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) | |
4ac906d1 | 1103 | int FSKrawDemod(const char *Cmd, bool verbose) |
b3b70669 | 1104 | { |
e0165dcf | 1105 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
3f267966 | 1106 | uint8_t rfLen, invert, fchigh, fclow; |
e0165dcf | 1107 | |
3f267966 | 1108 | //set defaults |
e0165dcf | 1109 | //set options from parameters entered with the command |
9332b857 | 1110 | rfLen = param_get8(Cmd, 0); |
1111 | invert = param_get8(Cmd, 1); | |
1112 | fchigh = param_get8(Cmd, 2); | |
1113 | fclow = param_get8(Cmd, 3); | |
e0165dcf | 1114 | if (strlen(Cmd)>0 && strlen(Cmd)<=2) { |
98b2a3a1 | 1115 | if (rfLen==1) { |
2eec55c8 | 1116 | invert = 1; //if invert option only is used |
e0165dcf | 1117 | rfLen = 0; |
98b2a3a1 | 1118 | } |
e0165dcf | 1119 | } |
1120 | ||
1121 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1122 | size_t BitLen = getFromGraphBuf(BitStream); | |
1123 | if (BitLen==0) return 0; | |
1124 | //get field clock lengths | |
98b2a3a1 | 1125 | uint16_t fcs=0; |
bf32dd92 | 1126 | if (!fchigh || !fclow) { |
98b2a3a1 | 1127 | fcs = countFC(BitStream, BitLen, 1); |
1128 | if (!fcs) { | |
1129 | fchigh = 10; | |
1130 | fclow = 8; | |
1131 | } else { | |
1132 | fchigh = (fcs >> 8) & 0x00FF; | |
1133 | fclow = fcs & 0x00FF; | |
e0165dcf | 1134 | } |
1135 | } | |
1136 | //get bit clock length | |
98b2a3a1 | 1137 | if (!rfLen) { |
e0165dcf | 1138 | rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow); |
bf32dd92 | 1139 | if (!rfLen) rfLen = 50; |
e0165dcf | 1140 | } |
3f267966 | 1141 | int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow); |
98b2a3a1 | 1142 | if (size > 0) { |
3f267966 | 1143 | setDemodBuf(BitStream, size, 0); |
e0165dcf | 1144 | |
1145 | // Now output the bitstream to the scrollback by line of 16 bits | |
2767fc02 | 1146 | if (verbose || g_debugMode) { |
c621ae06 | 1147 | PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow); |
3f267966 | 1148 | PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert)); |
2767fc02 | 1149 | printDemodBuff(); |
e0165dcf | 1150 | } |
e0165dcf | 1151 | return 1; |
3f267966 | 1152 | } else { |
2767fc02 | 1153 | if (g_debugMode) PrintAndLog("no FSK data found"); |
e0165dcf | 1154 | } |
1155 | return 0; | |
b3b70669 | 1156 | } |
1157 | ||
4ac906d1 | 1158 | //by marshmellow |
1159 | //fsk raw demod and print binary | |
1160 | //takes 4 arguments - Clock, invert, fchigh, fclow | |
1161 | //defaults: clock = 50, invert=1, fchigh=10, fclow=8 (RF/10 RF/8 (fsk2a)) | |
1162 | int CmdFSKrawdemod(const char *Cmd) | |
1163 | { | |
e0165dcf | 1164 | char cmdp = param_getchar(Cmd, 0); |
a38f5a07 | 1165 | if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_fs(); |
a0c7eea7 | 1166 | |
e0165dcf | 1167 | return FSKrawDemod(Cmd, TRUE); |
4ac906d1 | 1168 | } |
1169 | ||
eb191de6 | 1170 | //by marshmellow (based on existing demod + holiman's refactor) |
1171 | //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) | |
1172 | //print full HID Prox ID and some bit format details if found | |
b3b70669 | 1173 | int CmdFSKdemodHID(const char *Cmd) |
1174 | { | |
e0165dcf | 1175 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1176 | uint32_t hi2=0, hi=0, lo=0; | |
1177 | ||
c621ae06 | 1178 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; |
e0165dcf | 1179 | size_t BitLen = getFromGraphBuf(BitStream); |
1180 | if (BitLen==0) return 0; | |
1181 | //get binary from fsk wave | |
1182 | int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); | |
1183 | if (idx<0){ | |
1184 | if (g_debugMode){ | |
1185 | if (idx==-1){ | |
bb73c58d | 1186 | PrintAndLog("DEBUG: Error - HID just noise detected"); |
e0165dcf | 1187 | } else if (idx == -2) { |
bb73c58d | 1188 | PrintAndLog("DEBUG: Error - HID problem during FSK demod"); |
e0165dcf | 1189 | } else if (idx == -3) { |
bb73c58d | 1190 | PrintAndLog("DEBUG: Error - HID preamble not found"); |
e0165dcf | 1191 | } else if (idx == -4) { |
bb73c58d | 1192 | PrintAndLog("DEBUG: Error - HID error in Manchester data, SIZE: %d", BitLen); |
e0165dcf | 1193 | } else { |
bb73c58d | 1194 | PrintAndLog("DEBUG: Error - HID error demoding fsk %d", idx); |
e0165dcf | 1195 | } |
1196 | } | |
1197 | return 0; | |
1198 | } | |
1199 | if (hi2==0 && hi==0 && lo==0) { | |
bb73c58d | 1200 | if (g_debugMode) PrintAndLog("DEBUG: Error - HID no values found"); |
e0165dcf | 1201 | return 0; |
1202 | } | |
1203 | if (hi2 != 0){ //extra large HID tags | |
c621ae06 | 1204 | PrintAndLog("HID Prox TAG ID: %x%08x%08x (%u)", hi2, hi, lo, (lo>>1) & 0xFFFF); |
e0165dcf | 1205 | } |
1206 | else { //standard HID tags <38 bits | |
1207 | uint8_t fmtLen = 0; | |
1208 | uint32_t fc = 0; | |
1209 | uint32_t cardnum = 0; | |
1210 | if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used | |
1211 | uint32_t lo2=0; | |
1212 | lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit | |
1213 | uint8_t idx3 = 1; | |
1214 | while(lo2>1){ //find last bit set to 1 (format len bit) | |
1215 | lo2=lo2>>1; | |
1216 | idx3++; | |
1217 | } | |
1218 | fmtLen =idx3+19; | |
1219 | fc =0; | |
1220 | cardnum=0; | |
1221 | if(fmtLen==26){ | |
1222 | cardnum = (lo>>1)&0xFFFF; | |
1223 | fc = (lo>>17)&0xFF; | |
1224 | } | |
1225 | if(fmtLen==34){ | |
1226 | cardnum = (lo>>1)&0xFFFF; | |
1227 | fc= ((hi&1)<<15)|(lo>>17); | |
1228 | } | |
1229 | if(fmtLen==35){ | |
1230 | cardnum = (lo>>1)&0xFFFFF; | |
1231 | fc = ((hi&1)<<11)|(lo>>21); | |
1232 | } | |
1233 | } | |
1234 | else { //if bit 38 is not set then 37 bit format is used | |
1235 | fmtLen = 37; | |
1236 | fc = 0; | |
1237 | cardnum = 0; | |
1238 | if(fmtLen == 37){ | |
1239 | cardnum = (lo>>1)&0x7FFFF; | |
1240 | fc = ((hi&0xF)<<12)|(lo>>20); | |
1241 | } | |
1242 | } | |
c621ae06 | 1243 | PrintAndLog("HID Prox TAG ID: %x%08x (%u) - Format Len: %ubit - FC: %u - Card: %u", hi, lo, (lo>>1) & 0xFFFF, fmtLen, fc, cardnum); |
e0165dcf | 1244 | } |
1245 | setDemodBuf(BitStream,BitLen,idx); | |
1246 | if (g_debugMode){ | |
bb73c58d | 1247 | PrintAndLog("DEBUG: HID idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); |
e0165dcf | 1248 | printDemodBuff(); |
1249 | } | |
1250 | return 1; | |
ec75f5c1 | 1251 | } |
1252 | ||
04d2721b | 1253 | //by marshmellow |
1254 | //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded) | |
ec75f5c1 | 1255 | //print full Paradox Prox ID and some bit format details if found |
1256 | int CmdFSKdemodParadox(const char *Cmd) | |
1257 | { | |
e0165dcf | 1258 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1259 | uint32_t hi2=0, hi=0, lo=0; | |
1260 | ||
1261 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1262 | size_t BitLen = getFromGraphBuf(BitStream); | |
1263 | if (BitLen==0) return 0; | |
1264 | //get binary from fsk wave | |
1265 | int idx = ParadoxdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); | |
1266 | if (idx<0){ | |
1267 | if (g_debugMode){ | |
1268 | if (idx==-1){ | |
bb73c58d | 1269 | PrintAndLog("DEBUG: Error - Paradox just noise detected"); |
e0165dcf | 1270 | } else if (idx == -2) { |
bb73c58d | 1271 | PrintAndLog("DEBUG: Error - Paradox error demoding fsk"); |
e0165dcf | 1272 | } else if (idx == -3) { |
bb73c58d | 1273 | PrintAndLog("DEBUG: Error - Paradox preamble not found"); |
e0165dcf | 1274 | } else if (idx == -4) { |
bb73c58d | 1275 | PrintAndLog("DEBUG: Error - Paradox error in Manchester data"); |
e0165dcf | 1276 | } else { |
bb73c58d | 1277 | PrintAndLog("DEBUG: Error - Paradox error demoding fsk %d", idx); |
e0165dcf | 1278 | } |
1279 | } | |
1280 | return 0; | |
1281 | } | |
1282 | if (hi2==0 && hi==0 && lo==0){ | |
bb73c58d | 1283 | if (g_debugMode) PrintAndLog("DEBUG: Error - Paradox no value found"); |
e0165dcf | 1284 | return 0; |
1285 | } | |
1286 | uint32_t fc = ((hi & 0x3)<<6) | (lo>>26); | |
1287 | uint32_t cardnum = (lo>>10)&0xFFFF; | |
1288 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); | |
1289 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); | |
1290 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); | |
1291 | ||
1292 | PrintAndLog("Paradox TAG ID: %x%08x - FC: %d - Card: %d - Checksum: %02x - RAW: %08x%08x%08x", | |
1293 | hi>>10, (hi & 0x3)<<26 | (lo>>10), fc, cardnum, (lo>>2) & 0xFF, rawHi2, rawHi, rawLo); | |
1294 | setDemodBuf(BitStream,BitLen,idx); | |
1295 | if (g_debugMode){ | |
bb73c58d | 1296 | PrintAndLog("DEBUG: Paradox idx: %d, len: %d, Printing Demod Buffer:", idx, BitLen); |
e0165dcf | 1297 | printDemodBuff(); |
1298 | } | |
1299 | return 1; | |
b3b70669 | 1300 | } |
1301 | ||
2fc2150e | 1302 | //by marshmellow |
eb191de6 | 1303 | //IO-Prox demod - FSK RF/64 with preamble of 000000001 |
1304 | //print ioprox ID and some format details | |
b3b70669 | 1305 | int CmdFSKdemodIO(const char *Cmd) |
1306 | { | |
eb911aa8 | 1307 | int retval = 0; |
1308 | int idx = 0; | |
1309 | char crcStr[20]; | |
1310 | memset(crcStr, 0x00, sizeof(crcStr) ); | |
1311 | ||
e0165dcf | 1312 | //something in graphbuffer? |
1313 | if (GraphTraceLen < 65) { | |
bb73c58d | 1314 | if (g_debugMode)PrintAndLog("DEBUG: Error - IO prox not enough samples in GraphBuffer"); |
eb911aa8 | 1315 | return retval; |
e0165dcf | 1316 | } |
1317 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
eb911aa8 | 1318 | size_t bitlen = getFromGraphBuf(BitStream); |
1319 | if (bitlen == 0) return retval; | |
e0165dcf | 1320 | |
1321 | //get binary from fsk wave | |
eb911aa8 | 1322 | idx = IOdemodFSK(BitStream, bitlen); |
e0165dcf | 1323 | if (idx<0){ |
1324 | if (g_debugMode){ | |
1325 | if (idx==-1){ | |
bb73c58d | 1326 | PrintAndLog("DEBUG: Error - IO prox just noise detected"); |
e0165dcf | 1327 | } else if (idx == -2) { |
bb73c58d | 1328 | PrintAndLog("DEBUG: Error - IO prox not enough samples"); |
e0165dcf | 1329 | } else if (idx == -3) { |
bb73c58d | 1330 | PrintAndLog("DEBUG: Error - IO prox error during fskdemod"); |
e0165dcf | 1331 | } else if (idx == -4) { |
bb73c58d | 1332 | PrintAndLog("DEBUG: Error - IO prox preamble not found"); |
e0165dcf | 1333 | } else if (idx == -5) { |
bb73c58d | 1334 | PrintAndLog("DEBUG: Error - IO prox separator bits not found"); |
e0165dcf | 1335 | } else { |
bb73c58d | 1336 | PrintAndLog("DEBUG: Error - IO prox error demoding fsk %d", idx); |
e0165dcf | 1337 | } |
1338 | } | |
eb911aa8 | 1339 | return retval; |
e0165dcf | 1340 | } |
1341 | if (idx==0){ | |
2767fc02 | 1342 | if (g_debugMode){ |
bb73c58d | 1343 | PrintAndLog("DEBUG: Error - IO prox data not found - FSK Bits: %d", bitlen); |
eb911aa8 | 1344 | if (bitlen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); |
e0165dcf | 1345 | } |
eb911aa8 | 1346 | return retval; |
e0165dcf | 1347 | } |
1348 | //Index map | |
1349 | //0 10 20 30 40 50 60 | |
1350 | //| | | | | | | | |
1351 | //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 | |
1352 | //----------------------------------------------------------------------------- | |
1353 | //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 | |
1354 | // | |
1355 | //XSF(version)facility:codeone+codetwo (raw) | |
1356 | //Handle the data | |
eb911aa8 | 1357 | if (idx + 64 > bitlen) { |
bb73c58d | 1358 | if (g_debugMode) PrintAndLog("DEBUG: Error - IO prox not enough bits found - bitlen: %d", bitlen); |
eb911aa8 | 1359 | return retval; |
e0165dcf | 1360 | } |
eb911aa8 | 1361 | |
dc3a5846 | 1362 | if (g_debugMode) { |
1363 | 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]); | |
1364 | 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]); | |
1365 | 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]); | |
1366 | 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]); | |
1367 | 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]); | |
1368 | 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]); | |
1369 | 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]); | |
1370 | } | |
1371 | ||
e0165dcf | 1372 | uint32_t code = bytebits_to_byte(BitStream+idx,32); |
1373 | uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); | |
1374 | uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 | |
1375 | uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; | |
1376 | uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 | |
1377 | uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); | |
1378 | uint16_t calccrc = 0; | |
1379 | ||
eb911aa8 | 1380 | for (uint8_t i = 1; i < 6; ++i){ |
1381 | calccrc += bytebits_to_byte(BitStream + idx + 9 * i ,8); | |
e0165dcf | 1382 | } |
1383 | calccrc &= 0xff; | |
1384 | calccrc = 0xff - calccrc; | |
1385 | ||
eb911aa8 | 1386 | if (crc == calccrc) { |
1387 | snprintf(crcStr, 3, "ok"); | |
1388 | retval = 1; | |
1389 | } else { | |
bb73c58d | 1390 | if (g_debugMode) PrintAndLog("DEBUG: Error - IO prox crc failed"); |
eb911aa8 | 1391 | |
1392 | snprintf(crcStr, 20, "failed 0x%02X != 0x%02X", crc, calccrc); | |
1393 | retval = 0; | |
1394 | } | |
e0165dcf | 1395 | |
eb911aa8 | 1396 | PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [crc %s]",version,facilitycode,number,code,code2, crcStr); |
e0165dcf | 1397 | setDemodBuf(BitStream,64,idx); |
1398 | if (g_debugMode){ | |
bb73c58d | 1399 | PrintAndLog("DEBUG: IO prox idx: %d, Len: %d, Printing demod buffer:", idx, 64); |
e0165dcf | 1400 | printDemodBuff(); |
eb911aa8 | 1401 | } |
1402 | return retval; | |
b3b70669 | 1403 | } |
1e090a61 | 1404 | |
1e090a61 | 1405 | //by marshmellow |
1406 | //AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream) | |
1407 | //print full AWID Prox ID and some bit format details if found | |
1408 | int CmdFSKdemodAWID(const char *Cmd) | |
1409 | { | |
e0165dcf | 1410 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; |
1411 | size_t size = getFromGraphBuf(BitStream); | |
1412 | if (size==0) return 0; | |
1413 | ||
1414 | //get binary from fsk wave | |
1415 | int idx = AWIDdemodFSK(BitStream, &size); | |
1416 | if (idx<=0){ | |
eb891c38 | 1417 | if (g_debugMode){ |
e0165dcf | 1418 | if (idx == -1) |
bb73c58d | 1419 | PrintAndLog("DEBUG: Error - AWID not enough samples"); |
e0165dcf | 1420 | else if (idx == -2) |
bb73c58d | 1421 | PrintAndLog("DEBUG: Error - AWID only noise found"); |
e0165dcf | 1422 | else if (idx == -3) |
bb73c58d | 1423 | PrintAndLog("DEBUG: Error - AWID problem during FSK demod"); |
e0165dcf | 1424 | else if (idx == -4) |
1425 | PrintAndLog("DEBUG: Error - AWID preamble not found"); | |
1426 | else if (idx == -5) | |
bb73c58d | 1427 | PrintAndLog("DEBUG: Error - AWID size not correct: %d", size); |
e0165dcf | 1428 | else |
bb73c58d | 1429 | PrintAndLog("DEBUG: Error - AWID error %d",idx); |
e0165dcf | 1430 | } |
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | // Index map | |
1435 | // 0 10 20 30 40 50 60 | |
1436 | // | | | | | | | | |
1437 | // 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 | |
1438 | // ----------------------------------------------------------------------------- | |
70459879 | 1439 | // 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 |
e0165dcf | 1440 | // 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 |
1441 | // |---26 bit---| |-----117----||-------------142-------------| | |
1442 | // b = format bit len, o = odd parity of last 3 bits | |
1443 | // f = facility code, c = card number | |
1444 | // w = wiegand parity | |
1445 | // (26 bit format shown) | |
1e090a61 | 1446 | |
e0165dcf | 1447 | //get raw ID before removing parities |
1448 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); | |
1449 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); | |
1450 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); | |
1451 | setDemodBuf(BitStream,96,idx); | |
1452 | ||
1453 | size = removeParity(BitStream, idx+8, 4, 1, 88); | |
1454 | if (size != 66){ | |
bb73c58d | 1455 | if (g_debugMode) PrintAndLog("DEBUG: Error - AWID at parity check-tag size does not match AWID format"); |
e0165dcf | 1456 | return 0; |
1457 | } | |
1458 | // ok valid card found! | |
1459 | ||
1460 | // Index map | |
1461 | // 0 10 20 30 40 50 60 | |
1462 | // | | | | | | | | |
1463 | // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 | |
1464 | // ----------------------------------------------------------------------------- | |
1465 | // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 | |
1466 | // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
1467 | // |26 bit| |-117--| |-----142------| | |
204b7084 | 1468 | // |
6a4271d1 | 1469 | // 00110010 0 0000111110100000 00000000000100010010100010000111 1 000000000 |
1470 | // bbbbbbbb w ffffffffffffffff cccccccccccccccccccccccccccccccc w xxxxxxxxx | |
1471 | // |50 bit| |----4000------| |-----------2248975------------| | |
e0165dcf | 1472 | // b = format bit len, o = odd parity of last 3 bits |
1473 | // f = facility code, c = card number | |
1474 | // w = wiegand parity | |
e0165dcf | 1475 | |
1476 | uint32_t fc = 0; | |
1477 | uint32_t cardnum = 0; | |
1478 | uint32_t code1 = 0; | |
1479 | uint32_t code2 = 0; | |
204b7084 | 1480 | uint8_t fmtLen = bytebits_to_byte(BitStream, 8); |
87c10b2a | 1481 | |
204b7084 | 1482 | switch(fmtLen) { |
1483 | case 26: | |
1484 | fc = bytebits_to_byte(BitStream + 9, 8); | |
1485 | cardnum = bytebits_to_byte(BitStream + 17, 16); | |
1486 | code1 = bytebits_to_byte(BitStream + 8,fmtLen); | |
6a4271d1 | 1487 | PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); |
204b7084 | 1488 | break; |
87c10b2a | 1489 | case 34: |
1490 | fc = bytebits_to_byte(BitStream + 9, 8); | |
1491 | cardnum = bytebits_to_byte(BitStream + 17, 24); | |
1492 | code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); | |
1493 | code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); | |
1494 | PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); | |
1495 | break; | |
1496 | case 37: | |
1497 | fc = bytebits_to_byte(BitStream + 9, 13); | |
1498 | cardnum = bytebits_to_byte(BitStream + 22, 18); | |
1499 | code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); | |
1500 | code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); | |
1501 | PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); | |
1502 | break; | |
1503 | // case 40: | |
1504 | // break; | |
204b7084 | 1505 | case 50: |
1506 | fc = bytebits_to_byte(BitStream + 9, 16); | |
1507 | cardnum = bytebits_to_byte(BitStream + 25, 32); | |
1508 | code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) ); | |
1509 | code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32); | |
6a4271d1 | 1510 | PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo); |
204b7084 | 1511 | break; |
1512 | default: | |
1513 | if (fmtLen > 32 ) { | |
1514 | cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); | |
1515 | code1 = bytebits_to_byte(BitStream+8,fmtLen-32); | |
1516 | code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); | |
6a4271d1 | 1517 | PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); |
204b7084 | 1518 | } else { |
1519 | cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); | |
1520 | code1 = bytebits_to_byte(BitStream+8,fmtLen); | |
6a4271d1 | 1521 | PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); |
204b7084 | 1522 | } |
1523 | break; | |
e0165dcf | 1524 | } |
204b7084 | 1525 | |
e0165dcf | 1526 | if (g_debugMode){ |
bb73c58d | 1527 | PrintAndLog("DEBUG: AWID idx: %d, Len: %d Printing Demod Buffer:", idx, 96); |
e0165dcf | 1528 | printDemodBuff(); |
1529 | } | |
e0165dcf | 1530 | return 1; |
1e090a61 | 1531 | } |
1532 | ||
1533 | //by marshmellow | |
1534 | //Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream) | |
1535 | //print full Farpointe Data/Pyramid Prox ID and some bit format details if found | |
1536 | int CmdFSKdemodPyramid(const char *Cmd) | |
1537 | { | |
e0165dcf | 1538 | //raw fsk demod no manchester decoding no start bit finding just get binary from wave |
1539 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1540 | size_t size = getFromGraphBuf(BitStream); | |
1541 | if (size==0) return 0; | |
1542 | ||
1543 | //get binary from fsk wave | |
1544 | int idx = PyramiddemodFSK(BitStream, &size); | |
1545 | if (idx < 0){ | |
eb891c38 | 1546 | if (g_debugMode){ |
e0165dcf | 1547 | if (idx == -5) |
c08c796e | 1548 | PrintAndLog("DEBUG: Error - Pyramid: not enough samples"); |
e0165dcf | 1549 | else if (idx == -1) |
c08c796e | 1550 | PrintAndLog("DEBUG: Error - Pyramid: only noise found"); |
e0165dcf | 1551 | else if (idx == -2) |
c08c796e | 1552 | PrintAndLog("DEBUG: Error - Pyramid: problem during FSK demod"); |
e0165dcf | 1553 | else if (idx == -3) |
c08c796e | 1554 | PrintAndLog("DEBUG: Error - Pyramid: size not correct: %d", size); |
e0165dcf | 1555 | else if (idx == -4) |
c08c796e | 1556 | PrintAndLog("DEBUG: Error - Pyramid: preamble not found"); |
e0165dcf | 1557 | else |
c08c796e | 1558 | PrintAndLog("DEBUG: Error - Pyramid: idx: %d",idx); |
e0165dcf | 1559 | } |
1560 | return 0; | |
1561 | } | |
1562 | // Index map | |
1563 | // 0 10 20 30 40 50 60 | |
1564 | // | | | | | | | | |
1565 | // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 | |
1566 | // ----------------------------------------------------------------------------- | |
1567 | // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 | |
1568 | // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o | |
1569 | ||
1570 | // 64 70 80 90 100 110 120 | |
1571 | // | | | | | | | | |
1572 | // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 | |
1573 | // ----------------------------------------------------------------------------- | |
1574 | // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0 | |
1575 | // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o | |
1576 | // |---115---||---------71---------| | |
1577 | // s = format start bit, o = odd parity of last 7 bits | |
1578 | // f = facility code, c = card number | |
1579 | // w = wiegand parity, x = extra space for other formats | |
71cb7328 | 1580 | // p = CRC8maxim checksum |
e0165dcf | 1581 | // (26 bit format shown) |
1582 | ||
1583 | //get bytes for checksum calc | |
1584 | uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8); | |
1585 | uint8_t csBuff[14] = {0x00}; | |
1586 | for (uint8_t i = 0; i < 13; i++){ | |
1587 | csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8); | |
1588 | } | |
1589 | //check checksum calc | |
1590 | //checksum calc thanks to ICEMAN!! | |
c08c796e | 1591 | uint32_t checkCS = CRC8Maxim(csBuff, 13); |
e0165dcf | 1592 | |
1593 | //get raw ID before removing parities | |
c08c796e | 1594 | uint32_t rawLo = bytebits_to_byte(BitStream+idx+96, 32); |
1595 | uint32_t rawHi = bytebits_to_byte(BitStream+idx+64, 32); | |
1596 | uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32, 32); | |
1597 | uint32_t rawHi3 = bytebits_to_byte(BitStream+idx, 32); | |
1598 | setDemodBuf(BitStream, 128, idx); | |
e0165dcf | 1599 | |
1600 | size = removeParity(BitStream, idx+8, 8, 1, 120); | |
1601 | if (size != 105){ | |
c08c796e | 1602 | if (g_debugMode) { |
1603 | if ( size == 0) | |
1604 | PrintAndLog("DEBUG: Error - Pyramid: parity check failed - IDX: %d, hi3: %08X", idx, rawHi3); | |
1605 | else | |
1606 | PrintAndLog("DEBUG: Error - Pyramid: at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %08X", size, idx, rawHi3); | |
1607 | } | |
e0165dcf | 1608 | return 0; |
1609 | } | |
1610 | ||
1611 | // ok valid card found! | |
1612 | ||
1613 | // Index map | |
1614 | // 0 10 20 30 40 50 60 70 | |
1615 | // | | | | | | | | | |
1616 | // 01234567890123456789012345678901234567890123456789012345678901234567890 | |
1617 | // ----------------------------------------------------------------------- | |
1618 | // 00000000000000000000000000000000000000000000000000000000000000000000000 | |
1619 | // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
1620 | ||
1621 | // 71 80 90 100 | |
1622 | // | | | | | |
1623 | // 1 2 34567890 1234567890123456 7 8901234 | |
1624 | // --------------------------------------- | |
1625 | // 1 1 01110011 0000000001000110 0 1001010 | |
1626 | // s w ffffffff cccccccccccccccc w ppppppp | |
1627 | // |--115-| |------71------| | |
1628 | // s = format start bit, o = odd parity of last 7 bits | |
1629 | // f = facility code, c = card number | |
1630 | // w = wiegand parity, x = extra space for other formats | |
71cb7328 | 1631 | // p = CRC8-Maxim checksum |
e0165dcf | 1632 | // (26 bit format shown) |
1633 | ||
1634 | //find start bit to get fmtLen | |
1635 | int j; | |
71cb7328 | 1636 | for (j=0; j < size; ++j){ |
e0165dcf | 1637 | if(BitStream[j]) break; |
1638 | } | |
71cb7328 | 1639 | |
e0165dcf | 1640 | uint8_t fmtLen = size-j-8; |
1641 | uint32_t fc = 0; | |
1642 | uint32_t cardnum = 0; | |
1643 | uint32_t code1 = 0; | |
71cb7328 | 1644 | |
1645 | if ( fmtLen == 26 ){ | |
e0165dcf | 1646 | fc = bytebits_to_byte(BitStream+73, 8); |
1647 | cardnum = bytebits_to_byte(BitStream+81, 16); | |
1648 | code1 = bytebits_to_byte(BitStream+72,fmtLen); | |
1649 | 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); | |
71cb7328 | 1650 | } else if (fmtLen == 45) { |
1651 | fmtLen = 42; //end = 10 bits not 7 like 26 bit fmt | |
e0165dcf | 1652 | fc = bytebits_to_byte(BitStream+53, 10); |
1653 | cardnum = bytebits_to_byte(BitStream+63, 32); | |
1654 | PrintAndLog("Pyramid ID Found - BitLength: %d, FC: %d, Card: %d - Raw: %08x%08x%08x%08x", fmtLen, fc, cardnum, rawHi3, rawHi2, rawHi, rawLo); | |
1655 | } else { | |
1656 | cardnum = bytebits_to_byte(BitStream+81, 16); | |
4b3655e7 | 1657 | PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); |
e0165dcf | 1658 | } |
1659 | if (checksum == checkCS) | |
1660 | PrintAndLog("Checksum %02x passed", checksum); | |
1661 | else | |
1662 | PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); | |
1663 | ||
1664 | if (g_debugMode){ | |
c08c796e | 1665 | PrintAndLog("DEBUG: Pyramid: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); |
e0165dcf | 1666 | printDemodBuff(); |
1667 | } | |
1668 | return 1; | |
1e090a61 | 1669 | } |
1670 | ||
ad6219fc | 1671 | // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) |
7f96433c | 1672 | // 8 databits + 1 parity (1) |
0df669a2 | 1673 | // CIITT 16 chksum |
1674 | // NATIONAL CODE, ICAR database | |
ad6219fc | 1675 | // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf |
0df669a2 | 1676 | // FLAG (animal/non-animal) |
22a6a62f | 1677 | /* |
1678 | 38 IDbits | |
1679 | 10 country code | |
1680 | 1 extra app bit | |
1681 | 14 reserved bits | |
1682 | 1 animal bit | |
1683 | 16 ccitt CRC chksum over 64bit ID CODE. | |
1684 | 24 appli bits. | |
1685 | ||
ad6219fc | 1686 | -- sample: 985121004515220 [ 37FF65B88EF94 ] |
22a6a62f | 1687 | */ |
ad6219fc | 1688 | int CmdFDXBdemodBI(const char *Cmd){ |
7f96433c | 1689 | |
1690 | int invert = 1; | |
1691 | int clk = 32; | |
1692 | int errCnt = 0; | |
ad6219fc | 1693 | int maxErr = 0; |
7f96433c | 1694 | uint8_t BitStream[MAX_DEMOD_BUF_LEN]; |
1695 | size_t size = getFromGraphBuf(BitStream); | |
1696 | ||
ad6219fc | 1697 | errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); |
1698 | if ( errCnt < 0 || errCnt > maxErr ) { | |
bb73c58d | 1699 | if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB no data or error found %d, clock: %d", errCnt, clk); |
0df669a2 | 1700 | return 0; |
1701 | } | |
615f21dd | 1702 | |
ad6219fc | 1703 | errCnt = BiphaseRawDecode(BitStream, &size, maxErr, 1); |
1704 | if (errCnt < 0 || errCnt > maxErr ) { | |
bb73c58d | 1705 | if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB BiphaseRawDecode: %d", errCnt); |
0df669a2 | 1706 | return 0; |
7f96433c | 1707 | } |
0df669a2 | 1708 | |
ad6219fc | 1709 | int preambleIndex = FDXBdemodBI(BitStream, &size); |
7f96433c | 1710 | if (preambleIndex < 0){ |
bb73c58d | 1711 | if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB preamble not found :: %d",preambleIndex); |
7f96433c | 1712 | return 0; |
1713 | } | |
6426f6ba | 1714 | if (size != 128) { |
bb73c58d | 1715 | if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB incorrect data length found"); |
6426f6ba | 1716 | return 0; |
1717 | } | |
0df669a2 | 1718 | |
ad6219fc | 1719 | setDemodBuf(BitStream, 128, preambleIndex); |
7f96433c | 1720 | |
b10a759f | 1721 | // remove marker bits (1's every 9th digit after preamble) (pType = 2) |
a71ece51 | 1722 | size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117); |
b10a759f | 1723 | if ( size != 104 ) { |
bb73c58d | 1724 | if (g_debugMode) PrintAndLog("DEBUG: Error - FDXB error removeParity:: %d", size); |
ad6219fc | 1725 | return 0; |
0df669a2 | 1726 | } |
ad6219fc | 1727 | PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:"); |
ad6219fc | 1728 | |
a71ece51 | 1729 | //got a good demod |
ad6219fc | 1730 | uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32); |
1731 | uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10); | |
1732 | uint8_t dataBlockBit = BitStream[48]; | |
1733 | uint32_t reservedCode = bytebits_to_byteLSBF(BitStream+49,14); | |
1734 | uint8_t animalBit = BitStream[63]; | |
a71ece51 | 1735 | uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16); |
ad6219fc | 1736 | uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24); |
1737 | ||
a71ece51 | 1738 | uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32); |
ad6219fc | 1739 | uint8_t raw[8]; |
1740 | num_to_bytes(rawid, 8, raw); | |
a71ece51 | 1741 | |
1742 | if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8)); | |
1743 | ||
1744 | uint16_t calcCrc = crc16_ccitt_kermit(raw, 8); | |
9c624f67 | 1745 | PrintAndLog("Animal ID: %04u-%012" PRIu64, countryCode, NationalCode); |
1746 | PrintAndLog("National Code: %012" PRIu64, NationalCode); | |
a71ece51 | 1747 | PrintAndLog("CountryCode: %04u", countryCode); |
c48211f7 | 1748 | |
1749 | PrintAndLog("Reserved/RFU: %u", reservedCode); | |
1750 | PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); | |
1751 | PrintAndLog("Has extended data: %s [0x%X]", dataBlockBit ? "True" : "False", extended); | |
a71ece51 | 1752 | PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed"); |
c48211f7 | 1753 | |
1754 | if (g_debugMode) { | |
1755 | PrintAndLog("Start marker %d; Size %d", preambleIndex, size); | |
1756 | char *bin = sprint_bin_break(BitStream,size,16); | |
1757 | PrintAndLog("DEBUG BinStream:\n%s",bin); | |
1758 | } | |
615f21dd | 1759 | return 1; |
1760 | } | |
1761 | ||
1762 | ||
e770c648 | 1763 | //by marshmellow |
1764 | //attempt to psk1 demod graph buffer | |
4ac906d1 | 1765 | int PSKDemod(const char *Cmd, bool verbose) |
e770c648 | 1766 | { |
5e9d59fe | 1767 | int invert = 0, clk = 0, maxErr = 100; |
e0165dcf | 1768 | sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); |
1769 | if (clk==1){ | |
1770 | invert=1; | |
1771 | clk=0; | |
1772 | } | |
1773 | if (invert != 0 && invert != 1) { | |
24344f28 | 1774 | if (g_debugMode || verbose) PrintAndLog("Invalid argument: %s", Cmd); |
e0165dcf | 1775 | return 0; |
1776 | } | |
5e9d59fe | 1777 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0}; |
e0165dcf | 1778 | size_t BitLen = getFromGraphBuf(BitStream); |
2ec87733 | 1779 | if (BitLen==0) return 0; |
5e9d59fe | 1780 | |
1781 | uint8_t carrier = countFC(BitStream, BitLen, 0); | |
e0165dcf | 1782 | if (carrier!=2 && carrier!=4 && carrier!=8){ |
1783 | //invalid carrier | |
1784 | return 0; | |
1785 | } | |
5e9d59fe | 1786 | |
1787 | if (g_debugMode) PrintAndLog("Carrier: rf/%d",carrier); | |
1788 | ||
e0165dcf | 1789 | int errCnt=0; |
1790 | errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert); | |
1791 | if (errCnt > maxErr){ | |
5e9d59fe | 1792 | if (g_debugMode || verbose) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt); |
e0165dcf | 1793 | return 0; |
1794 | } | |
1795 | if (errCnt<0|| BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) | |
5e9d59fe | 1796 | if (g_debugMode || verbose) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d", clk, invert, BitLen, errCnt); |
e0165dcf | 1797 | return 0; |
1798 | } | |
2767fc02 | 1799 | if (verbose || g_debugMode){ |
1800 | PrintAndLog("\nUsing Clock:%d, invert:%d, Bits Found:%d",clk,invert,BitLen); | |
e0165dcf | 1801 | if (errCnt>0){ |
2767fc02 | 1802 | PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); |
e0165dcf | 1803 | } |
1804 | } | |
1805 | //prime demod buffer for output | |
5e9d59fe | 1806 | setDemodBuf(BitStream, BitLen, 0); |
e0165dcf | 1807 | return 1; |
4118b74d | 1808 | } |
e770c648 | 1809 | |
4118b74d | 1810 | // Indala 26 bit decode |
1811 | // by marshmellow | |
1812 | // optional arguments - same as CmdpskNRZrawDemod (clock & invert) | |
1813 | int CmdIndalaDecode(const char *Cmd) | |
1814 | { | |
b4fb11ba | 1815 | int ans; |
1816 | if (strlen(Cmd)>0){ | |
1817 | ans = PSKDemod(Cmd, 0); | |
1818 | } else{ //default to RF/32 | |
1819 | ans = PSKDemod("32", 0); | |
1820 | } | |
4118b74d | 1821 | |
7a8a982b | 1822 | if (!ans){ |
bb73c58d | 1823 | if (g_debugMode) PrintAndLog("DEBUG: Error - Indala can't demod signal: %d",ans); |
ba1a299c | 1824 | return 0; |
1825 | } | |
56d0fb8e | 1826 | |
1827 | uint8_t invert = 0; | |
57c7b44b | 1828 | size_t size = DemodBufferLen; |
eb891c38 | 1829 | int startIdx = indala26decode(DemodBuffer, &size, &invert); |
1830 | if (startIdx < 0 || size > 224) { | |
bb73c58d | 1831 | if (g_debugMode) PrintAndLog("DEBUG: Error - Indala wrong size, expected [64|224] got: %d", size); |
ba1a299c | 1832 | return -1; |
1833 | } | |
eb891c38 | 1834 | setDemodBuf(DemodBuffer, size, (size_t)startIdx); |
84871873 | 1835 | if (invert) |
bb73c58d | 1836 | if (g_debugMode) PrintAndLog("DEBUG: Error - Indala had to invert bits"); |
ec75f5c1 | 1837 | |
ba1a299c | 1838 | //convert UID to HEX |
1839 | uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7; | |
eb911aa8 | 1840 | uid1 = bytebits_to_byte(DemodBuffer,32); |
1841 | uid2 = bytebits_to_byte(DemodBuffer+32,32); | |
ba1a299c | 1842 | if (DemodBufferLen==64){ |
87c10b2a | 1843 | PrintAndLog("Indala Found - Bitlength %d, UID = (%x%08x)\n%s", |
1844 | DemodBufferLen, uid1, uid2, sprint_bin_break(DemodBuffer,DemodBufferLen,32) | |
1845 | ); | |
6426f6ba | 1846 | } else { |
eb911aa8 | 1847 | uid3 = bytebits_to_byte(DemodBuffer+64,32); |
1848 | uid4 = bytebits_to_byte(DemodBuffer+96,32); | |
1849 | uid5 = bytebits_to_byte(DemodBuffer+128,32); | |
1850 | uid6 = bytebits_to_byte(DemodBuffer+160,32); | |
1851 | uid7 = bytebits_to_byte(DemodBuffer+192,32); | |
87c10b2a | 1852 | PrintAndLog("Indala Found - Bitlength %d, UID = (%x%08x%08x%08x%08x%08x%08x)\n%s", |
1853 | DemodBufferLen, | |
1854 | uid1, uid2, uid3, uid4, uid5, uid6, uid7, sprint_bin_break(DemodBuffer,DemodBufferLen,32) | |
1855 | ); | |
ba1a299c | 1856 | } |
b4fb11ba | 1857 | if (g_debugMode){ |
eb911aa8 | 1858 | PrintAndLog("DEBUG: Indala - printing demodbuffer:"); |
b4fb11ba | 1859 | printDemodBuff(); |
1860 | } | |
ba1a299c | 1861 | return 1; |
4118b74d | 1862 | } |
1863 | ||
411105e0 | 1864 | int CmdPSKNexWatch(const char *Cmd) |
1865 | { | |
1866 | if (!PSKDemod("", false)) return 0; | |
56d0fb8e | 1867 | |
411105e0 | 1868 | 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}; |
1869 | size_t startIdx = 0, size = DemodBufferLen; | |
56d0fb8e | 1870 | |
1871 | // sanity check. | |
1872 | if ( size < sizeof(preamble) + 100) return 0; | |
1873 | ||
411105e0 | 1874 | bool invert = false; |
1875 | if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){ | |
1876 | // if didn't find preamble try again inverting | |
1877 | if (!PSKDemod("1", false)) return 0; | |
56d0fb8e | 1878 | |
411105e0 | 1879 | size = DemodBufferLen; |
1880 | if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0; | |
1881 | invert = true; | |
1882 | } | |
1883 | if (size != 128) return 0; | |
1884 | setDemodBuf(DemodBuffer, size, startIdx+4); | |
1885 | startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0) | |
1886 | //get ID | |
1887 | uint32_t ID = 0; | |
1888 | for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){ | |
1889 | for (uint8_t idx=0; idx<8; idx++){ | |
1890 | ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)]; | |
1891 | } | |
1892 | } | |
1893 | //parity check (TBD) | |
1894 | ||
1895 | //checksum check (TBD) | |
1896 | ||
1897 | //output | |
1898 | PrintAndLog("NexWatch ID: %d", ID); | |
1899 | if (invert){ | |
bb73c58d | 1900 | PrintAndLog("DEBUG: Error - NexWatch had to Invert - probably NexKey"); |
411105e0 | 1901 | for (uint8_t idx=0; idx<size; idx++) |
1902 | DemodBuffer[idx] ^= 1; | |
1903 | } | |
1904 | ||
1905 | CmdPrintDemodBuff("x"); | |
1906 | return 1; | |
1907 | } | |
1908 | ||
3acac886 | 1909 | int CmdPSKIdteck(const char *Cmd) { |
1910 | ||
1911 | if (!PSKDemod("", false)) { | |
1912 | if (g_debugMode) PrintAndLog("DEBUG: Error - Idteck PSKDemod failed"); | |
1913 | return 0; | |
1914 | } | |
1915 | size_t size = DemodBufferLen; | |
1916 | ||
1917 | //get binary from PSK1 wave | |
1918 | int idx = IdteckDemodPSK(DemodBuffer, &size); | |
1919 | if (idx < 0){ | |
1920 | if (g_debugMode){ | |
1921 | if (idx == -1) | |
1922 | PrintAndLog("DEBUG: Error - Idteck: not enough samples"); | |
1923 | else if (idx == -2) | |
1924 | PrintAndLog("DEBUG: Error - Idteck: preamble not found"); | |
1925 | else if (idx == -3) | |
1926 | PrintAndLog("DEBUG: Error - Idteck: size not correct: %d", size); | |
1927 | else | |
1928 | PrintAndLog("DEBUG: Error - Idteck: idx: %d",idx); | |
1929 | } | |
1930 | ||
1931 | // if didn't find preamble try again inverting | |
1932 | if (!PSKDemod("1", false)) { | |
1933 | if (g_debugMode) PrintAndLog("DEBUG: Error - Idteck PSKDemod failed"); | |
1934 | return 0; | |
1935 | } | |
1936 | idx = IdteckDemodPSK(DemodBuffer, &size); | |
1937 | if (idx < 0){ | |
1938 | if (g_debugMode){ | |
1939 | if (idx == -1) | |
1940 | PrintAndLog("DEBUG: Error - Idteck: not enough samples"); | |
1941 | else if (idx == -2) | |
1942 | PrintAndLog("DEBUG: Error - Idteck: preamble not found"); | |
1943 | else if (idx == -3) | |
1944 | PrintAndLog("DEBUG: Error - Idteck: size not correct: %d", size); | |
1945 | else | |
1946 | PrintAndLog("DEBUG: Error - Idteck: idx: %d",idx); | |
1947 | } | |
1948 | return 0; | |
1949 | } | |
1950 | } | |
1951 | setDemodBuf(DemodBuffer, 64, idx); | |
1952 | ||
1953 | //got a good demod | |
1954 | uint32_t id = 0; | |
1955 | uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32); | |
1956 | uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32); | |
1957 | ||
1958 | //parity check (TBD) | |
1959 | //checksum check (TBD) | |
1960 | ||
1961 | //output | |
1962 | PrintAndLog("IDTECK Tag Found: Card ID %u , Raw: %08X%08X", id, raw1, raw2); | |
1963 | return 1; | |
1964 | } | |
1965 | ||
04d2721b | 1966 | // by marshmellow |
e770c648 | 1967 | // takes 3 arguments - clock, invert, maxErr as integers |
1968 | // attempts to demodulate nrz only | |
1969 | // prints binary found and saves in demodbuffer for further commands | |
b4a2fcf6 | 1970 | int NRZrawDemod(const char *Cmd, bool verbose) |
e770c648 | 1971 | { |
e0165dcf | 1972 | int invert=0; |
1973 | int clk=0; | |
1974 | int maxErr=100; | |
1975 | sscanf(Cmd, "%i %i %i", &clk, &invert, &maxErr); | |
1976 | if (clk==1){ | |
1977 | invert=1; | |
1978 | clk=0; | |
1979 | } | |
1980 | if (invert != 0 && invert != 1) { | |
1981 | PrintAndLog("Invalid argument: %s", Cmd); | |
1982 | return 0; | |
1983 | } | |
1984 | uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; | |
1985 | size_t BitLen = getFromGraphBuf(BitStream); | |
1986 | if (BitLen==0) return 0; | |
1987 | int errCnt=0; | |
6426f6ba | 1988 | errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert); |
e0165dcf | 1989 | if (errCnt > maxErr){ |
1990 | if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); | |
1991 | return 0; | |
1992 | } | |
2eec55c8 | 1993 | if (errCnt<0 || BitLen<16){ //throw away static - allow 1 and -1 (in case of threshold command first) |
e0165dcf | 1994 | if (g_debugMode) PrintAndLog("no data found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt); |
1995 | return 0; | |
1996 | } | |
1997 | if (verbose || g_debugMode) PrintAndLog("Tried NRZ Demod using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen); | |
1998 | //prime demod buffer for output | |
1999 | setDemodBuf(BitStream,BitLen,0); | |
2000 | ||
2767fc02 | 2001 | if (errCnt>0 && (verbose || g_debugMode)) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt); |
e0165dcf | 2002 | if (verbose || g_debugMode) { |
2003 | PrintAndLog("NRZ demoded bitstream:"); | |
2004 | // Now output the bitstream to the scrollback by line of 16 bits | |
2005 | printDemodBuff(); | |
2006 | } | |
2007 | return 1; | |
b4a2fcf6 | 2008 | } |
2009 | ||
2010 | int CmdNRZrawDemod(const char *Cmd) | |
2011 | { | |
e0165dcf | 2012 | char cmdp = param_getchar(Cmd, 0); |
a38f5a07 | 2013 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_nr(); |
a0c7eea7 | 2014 | |
e0165dcf | 2015 | return NRZrawDemod(Cmd, TRUE); |
e770c648 | 2016 | } |
2017 | ||
2018 | // by marshmellow | |
2019 | // takes 3 arguments - clock, invert, maxErr as integers | |
04d2721b | 2020 | // attempts to demodulate psk only |
2021 | // prints binary found and saves in demodbuffer for further commands | |
e770c648 | 2022 | int CmdPSK1rawDemod(const char *Cmd) |
4118b74d | 2023 | { |
e0165dcf | 2024 | int ans; |
2025 | char cmdp = param_getchar(Cmd, 0); | |
a38f5a07 | 2026 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p1(); |
a0c7eea7 | 2027 | |
e0165dcf | 2028 | ans = PSKDemod(Cmd, TRUE); |
2029 | //output | |
2030 | if (!ans){ | |
2031 | if (g_debugMode) PrintAndLog("Error demoding: %d",ans); | |
2032 | return 0; | |
2033 | } | |
2767fc02 | 2034 | PrintAndLog("PSK1 demoded bitstream:"); |
e0165dcf | 2035 | // Now output the bitstream to the scrollback by line of 16 bits |
2036 | printDemodBuff(); | |
2037 | return 1; | |
4118b74d | 2038 | } |
2039 | ||
04d2721b | 2040 | // by marshmellow |
19ff0210 | 2041 | // takes same args as cmdpsk1rawdemod |
04d2721b | 2042 | int CmdPSK2rawDemod(const char *Cmd) |
2043 | { | |
56d0fb8e | 2044 | int ans = 0; |
e0165dcf | 2045 | char cmdp = param_getchar(Cmd, 0); |
a38f5a07 | 2046 | if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p2(); |
a0c7eea7 | 2047 | |
56d0fb8e | 2048 | ans = PSKDemod(Cmd, TRUE); |
e0165dcf | 2049 | if (!ans){ |
2050 | if (g_debugMode) PrintAndLog("Error demoding: %d",ans); | |
2051 | return 0; | |
2052 | } | |
2053 | psk1TOpsk2(DemodBuffer, DemodBufferLen); | |
2054 | PrintAndLog("PSK2 demoded bitstream:"); | |
2055 | // Now output the bitstream to the scrollback by line of 16 bits | |
2056 | printDemodBuff(); | |
2057 | return 1; | |
04d2721b | 2058 | } |
2059 | ||
19ff0210 | 2060 | // by marshmellow - combines all raw demod functions into one menu command |
2061 | int CmdRawDemod(const char *Cmd) | |
2062 | { | |
2063 | char cmdp = Cmd[0]; //param_getchar(Cmd, 0); | |
19ff0210 | 2064 | char cmdp2 = Cmd[1]; |
2065 | int ans = 0; | |
a0c7eea7 | 2066 | |
a38f5a07 | 2067 | if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd) < 2) |
a0c7eea7 | 2068 | return usage_data_rawdemod(); |
2069 | ||
2070 | if (cmdp == 'f' && cmdp2 == 's') | |
f8f894a5 | 2071 | ans = CmdFSKrawdemod(Cmd+2); |
a0c7eea7 | 2072 | else if(cmdp == 'a' && cmdp2 == 'b') |
f8f894a5 | 2073 | ans = Cmdaskbiphdemod(Cmd+2); |
a0c7eea7 | 2074 | else if(cmdp == 'a' && cmdp2 == 'm') |
f8f894a5 | 2075 | ans = Cmdaskmandemod(Cmd+2); |
a0c7eea7 | 2076 | else if(cmdp == 'a' && cmdp2 == 'r') |
f8f894a5 | 2077 | ans = Cmdaskrawdemod(Cmd+2); |
a0c7eea7 | 2078 | else if(cmdp == 'n' && cmdp2 == 'r') |
f8f894a5 | 2079 | ans = CmdNRZrawDemod(Cmd+2); |
a0c7eea7 | 2080 | else if(cmdp == 'p' && cmdp2 == '1') |
f8f894a5 | 2081 | ans = CmdPSK1rawDemod(Cmd+2); |
a0c7eea7 | 2082 | else if(cmdp == 'p' && cmdp2 == '2') |
f8f894a5 | 2083 | ans = CmdPSK2rawDemod(Cmd+2); |
a0c7eea7 | 2084 | else |
19ff0210 | 2085 | PrintAndLog("unknown modulation entered - see help ('h') for parameter structure"); |
a0c7eea7 | 2086 | |
19ff0210 | 2087 | return ans; |
2088 | } | |
a0c7eea7 | 2089 | //iceman: diff sizes on the plotwindow? |
7fe9b0b7 | 2090 | int CmdGrid(const char *Cmd) |
2091 | { | |
e0165dcf | 2092 | sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY); |
a0c7eea7 | 2093 | PlotGridXdefault = PlotGridX; |
2094 | PlotGridYdefault = PlotGridY; | |
e0165dcf | 2095 | RepaintGraphWindow(); |
2096 | return 0; | |
7fe9b0b7 | 2097 | } |
2098 | ||
2099 | int CmdHexsamples(const char *Cmd) | |
2100 | { | |
e0165dcf | 2101 | int i, j; |
2102 | int requested = 0; | |
2103 | int offset = 0; | |
2104 | char string_buf[25]; | |
2105 | char* string_ptr = string_buf; | |
2106 | uint8_t got[BIGBUF_SIZE]; | |
2107 | ||
2108 | sscanf(Cmd, "%i %i", &requested, &offset); | |
2109 | ||
2110 | /* if no args send something */ | |
2111 | if (requested == 0) { | |
2112 | requested = 8; | |
2113 | } | |
2114 | if (offset + requested > sizeof(got)) { | |
2115 | PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > %d", BIGBUF_SIZE); | |
2116 | return 0; | |
2117 | } | |
2118 | ||
2119 | GetFromBigBuf(got,requested,offset); | |
2120 | WaitForResponse(CMD_ACK,NULL); | |
2121 | ||
2122 | i = 0; | |
2123 | for (j = 0; j < requested; j++) { | |
2124 | i++; | |
2125 | string_ptr += sprintf(string_ptr, "%02x ", got[j]); | |
2126 | if (i == 8) { | |
2127 | *(string_ptr - 1) = '\0'; // remove the trailing space | |
2128 | PrintAndLog("%s", string_buf); | |
2129 | string_buf[0] = '\0'; | |
2130 | string_ptr = string_buf; | |
2131 | i = 0; | |
2132 | } | |
2133 | if (j == requested - 1 && string_buf[0] != '\0') { // print any remaining bytes | |
2134 | *(string_ptr - 1) = '\0'; | |
2135 | PrintAndLog("%s", string_buf); | |
2136 | string_buf[0] = '\0'; | |
2137 | } | |
2138 | } | |
2139 | return 0; | |
7fe9b0b7 | 2140 | } |
2141 | ||
7fe9b0b7 | 2142 | int CmdHide(const char *Cmd) |
2143 | { | |
e0165dcf | 2144 | HideGraphWindow(); |
2145 | return 0; | |
7fe9b0b7 | 2146 | } |
2147 | ||
78f5b1a7 | 2148 | //zero mean GraphBuffer |
7fe9b0b7 | 2149 | int CmdHpf(const char *Cmd) |
2150 | { | |
e0165dcf | 2151 | int i; |
2152 | int accum = 0; | |
7fe9b0b7 | 2153 | |
e0165dcf | 2154 | for (i = 10; i < GraphTraceLen; ++i) |
2155 | accum += GraphBuffer[i]; | |
a0c7eea7 | 2156 | |
e0165dcf | 2157 | accum /= (GraphTraceLen - 10); |
a0c7eea7 | 2158 | |
e0165dcf | 2159 | for (i = 0; i < GraphTraceLen; ++i) |
2160 | GraphBuffer[i] -= accum; | |
7fe9b0b7 | 2161 | |
e0165dcf | 2162 | RepaintGraphWindow(); |
2163 | return 0; | |
7fe9b0b7 | 2164 | } |
f6d9fb17 MHS |
2165 | |
2166 | bool _headBit( BitstreamOut *stream) | |
2167 | { | |
2168 | int bytepos = stream->position >> 3; // divide by 8 | |
2169 | int bitpos = (stream->position++) & 7; // mask out 00000111 | |
2170 | return (*(stream->buffer + bytepos) >> (7-bitpos)) & 1; | |
2171 | } | |
2172 | ||
2173 | uint8_t getByte(uint8_t bits_per_sample, BitstreamOut* b) | |
2174 | { | |
2175 | int i; | |
2176 | uint8_t val = 0; | |
a0c7eea7 | 2177 | for(i = 0 ; i < bits_per_sample; i++) |
f6d9fb17 | 2178 | val |= (_headBit(b) << (7-i)); |
a0c7eea7 | 2179 | |
f6d9fb17 MHS |
2180 | return val; |
2181 | } | |
7fe9b0b7 | 2182 | |
1fbf8956 | 2183 | int getSamples(const char *Cmd, bool silent) |
7fe9b0b7 | 2184 | { |
e0165dcf | 2185 | //If we get all but the last byte in bigbuf, |
2186 | // we don't have to worry about remaining trash | |
2187 | // in the last byte in case the bits-per-sample | |
2188 | // does not line up on byte boundaries | |
2189 | ||
2190 | uint8_t got[BIGBUF_SIZE-1] = { 0 }; | |
2191 | ||
2192 | int n = strtol(Cmd, NULL, 0); | |
2193 | ||
52f2df61 | 2194 | if ( n == 0 || n > sizeof(got)) |
e0165dcf | 2195 | n = sizeof(got); |
2196 | ||
eb911aa8 | 2197 | if (!silent) PrintAndLog("Reading %d bytes from device memory\n", n); |
e0165dcf | 2198 | GetFromBigBuf(got,n,0); |
eb911aa8 | 2199 | if (!silent) PrintAndLog("Data fetched"); |
e0165dcf | 2200 | UsbCommand response; |
c188b1b9 | 2201 | if ( !WaitForResponseTimeout(CMD_ACK, &response, 10000) ) { |
2202 | PrintAndLog("timeout while waiting for reply."); | |
2203 | return 1; | |
2204 | } | |
2205 | ||
e0165dcf | 2206 | uint8_t bits_per_sample = 8; |
2207 | ||
2208 | //Old devices without this feature would send 0 at arg[0] | |
a0c7eea7 | 2209 | if (response.arg[0] > 0) { |
e0165dcf | 2210 | sample_config *sc = (sample_config *) response.d.asBytes; |
eb911aa8 | 2211 | if (!silent) PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation); |
e0165dcf | 2212 | bits_per_sample = sc->bits_per_sample; |
2213 | } | |
a0c7eea7 | 2214 | |
2215 | if (bits_per_sample < 8) { | |
eb911aa8 | 2216 | if (!silent) PrintAndLog("Unpacking..."); |
e0165dcf | 2217 | BitstreamOut bout = { got, bits_per_sample * n, 0}; |
2218 | int j =0; | |
e6432f05 | 2219 | for (j = 0; j * bits_per_sample < n * 8 && j < n; j++) { |
e0165dcf | 2220 | uint8_t sample = getByte(bits_per_sample, &bout); |
2221 | GraphBuffer[j] = ((int) sample )- 128; | |
2222 | } | |
2223 | GraphTraceLen = j; | |
eb911aa8 | 2224 | if (!silent) PrintAndLog("Unpacked %d samples" , j ); |
a0c7eea7 | 2225 | } else { |
e0165dcf | 2226 | for (int j = 0; j < n; j++) { |
2227 | GraphBuffer[j] = ((int)got[j]) - 128; | |
2228 | } | |
2229 | GraphTraceLen = n; | |
2230 | } | |
2231 | ||
2232 | RepaintGraphWindow(); | |
2233 | return 0; | |
1fbf8956 | 2234 | } |
2235 | ||
2236 | int CmdSamples(const char *Cmd) | |
2237 | { | |
e0165dcf | 2238 | return getSamples(Cmd, false); |
7fe9b0b7 | 2239 | } |
2240 | ||
d6a120a2 MHS |
2241 | int CmdTuneSamples(const char *Cmd) |
2242 | { | |
3aa4014b | 2243 | int timeout = 0; |
2244 | printf("\nMeasuring antenna characteristics, please wait..."); | |
ba1a299c | 2245 | |
c188b1b9 | 2246 | UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {0,0,0}}; |
2247 | clearCommandBuffer(); | |
3aa4014b | 2248 | SendCommand(&c); |
3aa4014b | 2249 | UsbCommand resp; |
a0048c69 | 2250 | while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING, &resp, 2000)) { |
3aa4014b | 2251 | timeout++; |
2252 | printf("."); | |
81b7e894 | 2253 | fflush(stdout); |
3aa4014b | 2254 | if (timeout > 7) { |
2255 | PrintAndLog("\nNo response from Proxmark. Aborting..."); | |
2256 | return 1; | |
2257 | } | |
2258 | } | |
2259 | ||
bb522918 | 2260 | #define NON_VOLTAGE 999 |
2261 | #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher. | |
2262 | #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher. | |
2263 | #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. | |
2264 | #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher. | |
2265 | ||
3aa4014b | 2266 | int peakv, peakf; |
2267 | int vLf125, vLf134, vHf; | |
2268 | vLf125 = resp.arg[0] & 0xffff; | |
2269 | vLf134 = resp.arg[0] >> 16; | |
2270 | vHf = resp.arg[1] & 0xffff;; | |
2271 | peakf = resp.arg[2] & 0xffff; | |
2272 | peakv = resp.arg[2] >> 16; | |
2273 | PrintAndLog(""); | |
bb522918 | 2274 | if ( vLf125 > NON_VOLTAGE ) |
d801514d | 2275 | PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); |
bb522918 | 2276 | if ( vLf134 > NON_VOLTAGE ) |
d801514d | 2277 | PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); |
efbf81da | 2278 | if ( peakv > NON_VOLTAGE && peakf > 0 ) |
d801514d | 2279 | PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); |
bb522918 | 2280 | if ( vHf > NON_VOLTAGE ) |
d801514d | 2281 | PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); |
0d0d0499 | 2282 | |
bb522918 | 2283 | |
0d0d0499 | 2284 | |
2285 | if (peakv < LF_UNUSABLE_V) | |
3aa4014b | 2286 | PrintAndLog("# Your LF antenna is unusable."); |
0d0d0499 | 2287 | else if (peakv < LF_MARGINAL_V) |
3aa4014b | 2288 | PrintAndLog("# Your LF antenna is marginal."); |
0d0d0499 | 2289 | if (vHf < HF_UNUSABLE_V) |
3aa4014b | 2290 | PrintAndLog("# Your HF antenna is unusable."); |
0d0d0499 | 2291 | else if (vHf < HF_MARGINAL_V) |
3aa4014b | 2292 | PrintAndLog("# Your HF antenna is marginal."); |
2293 | ||
0d0d0499 | 2294 | if (peakv >= LF_UNUSABLE_V) { |
2295 | for (int i = 0; i < 256; i++) { | |
2296 | GraphBuffer[i] = resp.d.asBytes[i] - 128; | |
2297 | } | |
2298 | PrintAndLog("Displaying LF tuning graph. Divisor 89 is 134khz, 95 is 125khz.\n"); | |
2299 | PrintAndLog("\n"); | |
2300 | GraphTraceLen = 256; | |
2301 | ShowGraphWindow(); | |
abd16c45 | 2302 | RepaintGraphWindow(); |
ba1a299c | 2303 | } |
b4fb11ba | 2304 | return 0; |
d6a120a2 MHS |
2305 | } |
2306 | ||
7fe9b0b7 | 2307 | int CmdLoad(const char *Cmd) |
2308 | { | |
e0165dcf | 2309 | char filename[FILE_PATH_SIZE] = {0x00}; |
2310 | int len = 0; | |
b915fda3 | 2311 | |
e0165dcf | 2312 | len = strlen(Cmd); |
2313 | if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; | |
2314 | memcpy(filename, Cmd, len); | |
b915fda3 | 2315 | |
e0165dcf | 2316 | FILE *f = fopen(filename, "r"); |
2317 | if (!f) { | |
c188b1b9 | 2318 | PrintAndLog("couldn't open '%s'", filename); |
e0165dcf | 2319 | return 0; |
2320 | } | |
2321 | ||
2322 | GraphTraceLen = 0; | |
2323 | char line[80]; | |
2324 | while (fgets(line, sizeof (line), f)) { | |
2325 | GraphBuffer[GraphTraceLen] = atoi(line); | |
2326 | GraphTraceLen++; | |
2327 | } | |
a38f5a07 | 2328 | if (f) |
2dcf60f3 | 2329 | fclose(f); |
a38f5a07 | 2330 | |
e0165dcf | 2331 | PrintAndLog("loaded %d samples", GraphTraceLen); |
2332 | RepaintGraphWindow(); | |
2333 | return 0; | |
7fe9b0b7 | 2334 | } |
2335 | ||
2336 | int CmdLtrim(const char *Cmd) | |
2337 | { | |
e0165dcf | 2338 | int ds = atoi(Cmd); |
c188b1b9 | 2339 | |
2340 | if (GraphTraceLen <= 0) return 0; | |
2341 | ||
e0165dcf | 2342 | for (int i = ds; i < GraphTraceLen; ++i) |
2343 | GraphBuffer[i-ds] = GraphBuffer[i]; | |
7fe9b0b7 | 2344 | |
c188b1b9 | 2345 | GraphTraceLen -= ds; |
e0165dcf | 2346 | RepaintGraphWindow(); |
2347 | return 0; | |
7fe9b0b7 | 2348 | } |
ec75f5c1 | 2349 | |
2350 | // trim graph to input argument length | |
9ec1416a | 2351 | int CmdRtrim(const char *Cmd) |
2352 | { | |
e0165dcf | 2353 | int ds = atoi(Cmd); |
e0165dcf | 2354 | GraphTraceLen = ds; |
e0165dcf | 2355 | RepaintGraphWindow(); |
2356 | return 0; | |
9ec1416a | 2357 | } |
7fe9b0b7 | 2358 | |
7fe9b0b7 | 2359 | int CmdNorm(const char *Cmd) |
2360 | { | |
e0165dcf | 2361 | int i; |
2362 | int max = INT_MIN, min = INT_MAX; | |
7fe9b0b7 | 2363 | |
e0165dcf | 2364 | for (i = 10; i < GraphTraceLen; ++i) { |
a0c7eea7 | 2365 | if (GraphBuffer[i] > max) max = GraphBuffer[i]; |
2366 | if (GraphBuffer[i] < min) min = GraphBuffer[i]; | |
e0165dcf | 2367 | } |
7fe9b0b7 | 2368 | |
e0165dcf | 2369 | if (max != min) { |
2370 | for (i = 0; i < GraphTraceLen; ++i) { | |
a0c7eea7 | 2371 | GraphBuffer[i] = (GraphBuffer[i] - ((max + min) / 2)) * 256 / (max - min); |
2372 | //marshmelow: adjusted *1000 to *256 to make +/- 128 so demod commands still work | |
e0165dcf | 2373 | } |
2374 | } | |
2375 | RepaintGraphWindow(); | |
2376 | return 0; | |
7fe9b0b7 | 2377 | } |
2378 | ||
2379 | int CmdPlot(const char *Cmd) | |
2380 | { | |
e0165dcf | 2381 | ShowGraphWindow(); |
2382 | return 0; | |
7fe9b0b7 | 2383 | } |
2384 | ||
2385 | int CmdSave(const char *Cmd) | |
2386 | { | |
e0165dcf | 2387 | char filename[FILE_PATH_SIZE] = {0x00}; |
2388 | int len = 0; | |
b915fda3 | 2389 | |
e0165dcf | 2390 | len = strlen(Cmd); |
2391 | if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; | |
2392 | memcpy(filename, Cmd, len); | |
2393 | ||
e0165dcf | 2394 | FILE *f = fopen(filename, "w"); |
2395 | if(!f) { | |
2396 | PrintAndLog("couldn't open '%s'", filename); | |
2397 | return 0; | |
2398 | } | |
c621ae06 | 2399 | |
2400 | for (int i = 0; i < GraphTraceLen; i++) | |
e0165dcf | 2401 | fprintf(f, "%d\n", GraphBuffer[i]); |
c621ae06 | 2402 | |
a38f5a07 | 2403 | if (f) |
2dcf60f3 | 2404 | fclose(f); |
a38f5a07 | 2405 | |
e0165dcf | 2406 | PrintAndLog("saved to '%s'", Cmd); |
2407 | return 0; | |
7fe9b0b7 | 2408 | } |
2409 | ||
2410 | int CmdScale(const char *Cmd) | |
2411 | { | |
e0165dcf | 2412 | CursorScaleFactor = atoi(Cmd); |
2413 | if (CursorScaleFactor == 0) { | |
2414 | PrintAndLog("bad, can't have zero scale"); | |
2415 | CursorScaleFactor = 1; | |
2416 | } | |
2417 | RepaintGraphWindow(); | |
2418 | return 0; | |
7fe9b0b7 | 2419 | } |
2420 | ||
d51b2eda MHS |
2421 | int CmdDirectionalThreshold(const char *Cmd) |
2422 | { | |
e0165dcf | 2423 | int8_t upThres = param_get8(Cmd, 0); |
2424 | int8_t downThres = param_get8(Cmd, 1); | |
2425 | ||
2426 | printf("Applying Up Threshold: %d, Down Threshold: %d\n", upThres, downThres); | |
2427 | ||
2428 | int lastValue = GraphBuffer[0]; | |
2429 | GraphBuffer[0] = 0; // Will be changed at the end, but init 0 as we adjust to last samples value if no threshold kicks in. | |
2430 | ||
2431 | for (int i = 1; i < GraphTraceLen; ++i) { | |
2432 | // Apply first threshold to samples heading up | |
2433 | if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue) | |
2434 | { | |
2435 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2436 | GraphBuffer[i] = 1; | |
2437 | } | |
2438 | // Apply second threshold to samples heading down | |
2439 | else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue) | |
2440 | { | |
2441 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2442 | GraphBuffer[i] = -1; | |
2443 | } | |
2444 | else | |
2445 | { | |
2446 | lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it. | |
2447 | GraphBuffer[i] = GraphBuffer[i-1]; | |
e0165dcf | 2448 | } |
2449 | } | |
2450 | GraphBuffer[0] = GraphBuffer[1]; // Aline with first edited sample. | |
2451 | RepaintGraphWindow(); | |
2452 | return 0; | |
d51b2eda MHS |
2453 | } |
2454 | ||
7fe9b0b7 | 2455 | int CmdZerocrossings(const char *Cmd) |
2456 | { | |
e0165dcf | 2457 | // Zero-crossings aren't meaningful unless the signal is zero-mean. |
2458 | CmdHpf(""); | |
2459 | ||
2460 | int sign = 1; | |
2461 | int zc = 0; | |
2462 | int lastZc = 0; | |
2463 | ||
2464 | for (int i = 0; i < GraphTraceLen; ++i) { | |
2465 | if (GraphBuffer[i] * sign >= 0) { | |
2466 | // No change in sign, reproduce the previous sample count. | |
2467 | zc++; | |
2468 | GraphBuffer[i] = lastZc; | |
2469 | } else { | |
2470 | // Change in sign, reset the sample count. | |
2471 | sign = -sign; | |
2472 | GraphBuffer[i] = lastZc; | |
2473 | if (sign > 0) { | |
2474 | lastZc = zc; | |
2475 | zc = 0; | |
2476 | } | |
2477 | } | |
2478 | } | |
2479 | ||
2480 | RepaintGraphWindow(); | |
2481 | return 0; | |
7fe9b0b7 | 2482 | } |
2483 | ||
0de8e387 | 2484 | /** |
2485 | * @brief Utility for conversion via cmdline. | |
2486 | * @param Cmd | |
2487 | * @return | |
2488 | */ | |
2489 | int Cmdbin2hex(const char *Cmd) | |
2490 | { | |
2491 | int bg =0, en =0; | |
2492 | if(param_getptr(Cmd, &bg, &en, 0)) | |
0de8e387 | 2493 | return usage_data_bin2hex(); |
a0c7eea7 | 2494 | |
0de8e387 | 2495 | //Number of digits supplied as argument |
2496 | size_t length = en - bg +1; | |
2497 | size_t bytelen = (length+7) / 8; | |
2498 | uint8_t* arr = (uint8_t *) malloc(bytelen); | |
2499 | memset(arr, 0, bytelen); | |
2500 | BitstreamOut bout = { arr, 0, 0 }; | |
2501 | ||
a0c7eea7 | 2502 | for (; bg <= en ;bg++) { |
0de8e387 | 2503 | char c = Cmd[bg]; |
2504 | if( c == '1') pushBit(&bout, 1); | |
2505 | else if( c == '0') pushBit(&bout, 0); | |
2506 | else PrintAndLog("Ignoring '%c'", c); | |
2507 | } | |
2508 | ||
a0c7eea7 | 2509 | if (bout.numbits % 8 != 0) |
0de8e387 | 2510 | printf("[padded with %d zeroes]\n", 8-(bout.numbits % 8)); |
0de8e387 | 2511 | |
2512 | //Uses printf instead of PrintAndLog since the latter | |
2513 | // adds linebreaks to each printout - this way was more convenient since we don't have to | |
2514 | // allocate a string and write to that first... | |
2515 | for(size_t x = 0; x < bytelen ; x++) | |
0de8e387 | 2516 | printf("%02X", arr[x]); |
a0c7eea7 | 2517 | |
0de8e387 | 2518 | printf("\n"); |
2519 | free(arr); | |
2520 | return 0; | |
2521 | } | |
2522 | ||
0de8e387 | 2523 | int Cmdhex2bin(const char *Cmd) |
2524 | { | |
2525 | int bg =0, en =0; | |
f4d0ffd1 | 2526 | if(param_getptr(Cmd, &bg, &en, 0)) return usage_data_hex2bin(); |
0de8e387 | 2527 | |
a0c7eea7 | 2528 | while (bg <= en ) { |
0de8e387 | 2529 | char x = Cmd[bg++]; |
2530 | // capitalize | |
2531 | if (x >= 'a' && x <= 'f') | |
2532 | x -= 32; | |
2533 | // convert to numeric value | |
2534 | if (x >= '0' && x <= '9') | |
2535 | x -= '0'; | |
2536 | else if (x >= 'A' && x <= 'F') | |
2537 | x -= 'A' - 10; | |
2538 | else | |
2539 | continue; | |
2540 | ||
2541 | //Uses printf instead of PrintAndLog since the latter | |
2542 | // adds linebreaks to each printout - this way was more convenient since we don't have to | |
2543 | // allocate a string and write to that first... | |
2544 | ||
2545 | for(int i= 0 ; i < 4 ; ++i) | |
2546 | printf("%d",(x >> (3 - i)) & 1); | |
2547 | } | |
2548 | printf("\n"); | |
2549 | ||
2550 | return 0; | |
2551 | } | |
2552 | ||
40f6f2ff | 2553 | int CmdDataIIR(const char *Cmd){ |
4c543dbd | 2554 | uint8_t k = param_get8(Cmd,0); |
2555 | //iceIIR_Butterworth(GraphBuffer, GraphTraceLen); | |
2556 | iceSimple_Filter(GraphBuffer, GraphTraceLen, k); | |
40f6f2ff | 2557 | RepaintGraphWindow(); |
2558 | return 0; | |
2559 | } | |
2560 | ||
ba1a299c | 2561 | static command_t CommandTable[] = |
7fe9b0b7 | 2562 | { |
e0165dcf | 2563 | {"help", CmdHelp, 1, "This help"}, |
a152dea7 | 2564 | {"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 | 2565 | {"askem410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"}, |
2566 | {"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"}, | |
70459879 | 2567 | {"askvikingdemod", CmdVikingDemod, 1, "Demodulate a Viking AM tag from GraphBuffer"}, |
e0165dcf | 2568 | {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"}, |
fef74fdc | 2569 | {"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"}, |
a152dea7 | 2570 | {"bin2hex", Cmdbin2hex, 1, "<digits> -- Converts binary to hexadecimal"}, |
e0165dcf | 2571 | {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, |
c621ae06 | 2572 | {"buffclear", CmdBuffClear, 1, "Clears bigbuff on deviceside. d graph window"}, |
e0165dcf | 2573 | {"dec", CmdDec, 1, "Decimate samples"}, |
a152dea7 | 2574 | {"detectclock", CmdDetectClockRate, 1, "[<a|f|n|p>] Detect ASK, FSK, NRZ, PSK clock rate of wave in GraphBuffer"}, |
ad6219fc | 2575 | {"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"}, |
e0165dcf | 2576 | {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"}, |
2577 | //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"}, | |
2578 | {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"}, | |
2579 | {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"}, | |
2580 | {"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"}, | |
2581 | {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"}, | |
2582 | {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"}, | |
2583 | {"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"}, | |
2584 | {"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"}, | |
a152dea7 | 2585 | {"hex2bin", Cmdhex2bin, 1, "<hexadecimal> -- Converts hexadecimal to binary"}, |
e0165dcf | 2586 | {"hide", CmdHide, 1, "Hide graph window"}, |
2587 | {"hpf", CmdHpf, 1, "Remove DC offset from trace"}, | |
2588 | {"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"}, | |
2589 | {"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"}, | |
2590 | {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right of trace"}, | |
fef74fdc | 2591 | {"manrawdecode", Cmdmandecoderaw, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"}, |
e0165dcf | 2592 | {"norm", CmdNorm, 1, "Normalize max/min to +/-128"}, |
2593 | {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"}, | |
bf32dd92 | 2594 | {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"}, |
e0165dcf | 2595 | {"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"}, |
411105e0 | 2596 | {"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"}, |
e0165dcf | 2597 | {"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"}, |
2598 | {"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"}, | |
2599 | {"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"}, | |
2600 | {"scale", CmdScale, 1, "<int> -- Set cursor display scale"}, | |
a126332a | 2601 | {"setdebugmode", CmdSetDebugMode, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"}, |
e0165dcf | 2602 | {"shiftgraphzero", CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"}, |
e0165dcf | 2603 | {"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."}, |
2604 | {"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"}, | |
2605 | {"undec", CmdUndec, 1, "Un-decimate samples by 2"}, | |
2606 | {"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"}, | |
40f6f2ff | 2607 | {"iir", CmdDataIIR, 0, "apply IIR buttersworth filter on plotdata"}, |
e0165dcf | 2608 | {NULL, NULL, 0, NULL} |
7fe9b0b7 | 2609 | }; |
2610 | ||
4c36581b | 2611 | int CmdData(const char *Cmd){ |
2612 | clearCommandBuffer(); | |
e0165dcf | 2613 | CmdsParse(CommandTable, Cmd); |
2614 | return 0; | |
7fe9b0b7 | 2615 | } |
2616 | ||
2617 | int CmdHelp(const char *Cmd) | |
2618 | { | |
e0165dcf | 2619 | CmdsHelp(CommandTable); |
2620 | return 0; | |
7fe9b0b7 | 2621 | } |