]>
Commit | Line | Data |
---|---|---|
1 | //----------------------------------------------------------------------------- | |
2 | // Routines to support ISO 15693. This includes both the reader software and | |
3 | // the `fake tag' modes, but at the moment I've implemented only the reader | |
4 | // stuff, and that barely. | |
5 | // Jonathan Westhues, split Nov 2006 | |
6 | ||
7 | // Modified by Greg Jones, Jan 2009 to perform modulation onboard in arm rather than on PC | |
8 | // Also added additional reader commands (SELECT, READ etc.) | |
9 | ||
10 | //----------------------------------------------------------------------------- | |
11 | #include <proxmark3.h> | |
12 | #include "apps.h" | |
13 | ||
14 | // FROM winsrc\prox.h ////////////////////////////////// | |
15 | #define arraylen(x) (sizeof(x)/sizeof((x)[0])) | |
16 | ||
17 | //----------------------------------------------------------------------------- | |
18 | // Map a sequence of octets (~layer 2 command) into the set of bits to feed | |
19 | // to the FPGA, to transmit that command to the tag. | |
20 | //----------------------------------------------------------------------------- | |
21 | ||
22 | // The sampling rate is 106.353 ksps/s, for T = 18.8 us | |
23 | ||
24 | // SOF defined as | |
25 | // 1) Unmodulated time of 56.64us | |
26 | // 2) 24 pulses of 423.75khz | |
27 | // 3) logic '1' (unmodulated for 18.88us followed by 8 pulses of 423.75khz) | |
28 | ||
29 | static const int FrameSOF[] = { | |
30 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
31 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
32 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
33 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
34 | -1, -1, -1, -1, | |
35 | -1, -1, -1, -1, | |
36 | 1, 1, 1, 1, | |
37 | 1, 1, 1, 1 | |
38 | }; | |
39 | static const int Logic0[] = { | |
40 | 1, 1, 1, 1, | |
41 | 1, 1, 1, 1, | |
42 | -1, -1, -1, -1, | |
43 | -1, -1, -1, -1 | |
44 | }; | |
45 | static const int Logic1[] = { | |
46 | -1, -1, -1, -1, | |
47 | -1, -1, -1, -1, | |
48 | 1, 1, 1, 1, | |
49 | 1, 1, 1, 1 | |
50 | }; | |
51 | ||
52 | // EOF defined as | |
53 | // 1) logic '0' (8 pulses of 423.75khz followed by unmodulated for 18.88us) | |
54 | // 2) 24 pulses of 423.75khz | |
55 | // 3) Unmodulated time of 56.64us | |
56 | ||
57 | static const int FrameEOF[] = { | |
58 | 1, 1, 1, 1, | |
59 | 1, 1, 1, 1, | |
60 | -1, -1, -1, -1, | |
61 | -1, -1, -1, -1, | |
62 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
63 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
64 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
65 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 | |
66 | }; | |
67 | ||
68 | static void CodeIso15693AsReader(BYTE *cmd, int n) | |
69 | { | |
70 | int i, j; | |
71 | ||
72 | ToSendReset(); | |
73 | ||
74 | // Give it a bit of slack at the beginning | |
75 | for(i = 0; i < 24; i++) { | |
76 | ToSendStuffBit(1); | |
77 | } | |
78 | ||
79 | ToSendStuffBit(0); | |
80 | ToSendStuffBit(1); | |
81 | ToSendStuffBit(1); | |
82 | ToSendStuffBit(1); | |
83 | ToSendStuffBit(1); | |
84 | ToSendStuffBit(0); | |
85 | ToSendStuffBit(1); | |
86 | ToSendStuffBit(1); | |
87 | for(i = 0; i < n; i++) { | |
88 | for(j = 0; j < 8; j += 2) { | |
89 | int these = (cmd[i] >> j) & 3; | |
90 | switch(these) { | |
91 | case 0: | |
92 | ToSendStuffBit(1); | |
93 | ToSendStuffBit(0); | |
94 | ToSendStuffBit(1); | |
95 | ToSendStuffBit(1); | |
96 | ToSendStuffBit(1); | |
97 | ToSendStuffBit(1); | |
98 | ToSendStuffBit(1); | |
99 | ToSendStuffBit(1); | |
100 | break; | |
101 | case 1: | |
102 | ToSendStuffBit(1); | |
103 | ToSendStuffBit(1); | |
104 | ToSendStuffBit(1); | |
105 | ToSendStuffBit(0); | |
106 | ToSendStuffBit(1); | |
107 | ToSendStuffBit(1); | |
108 | ToSendStuffBit(1); | |
109 | ToSendStuffBit(1); | |
110 | break; | |
111 | case 2: | |
112 | ToSendStuffBit(1); | |
113 | ToSendStuffBit(1); | |
114 | ToSendStuffBit(1); | |
115 | ToSendStuffBit(1); | |
116 | ToSendStuffBit(1); | |
117 | ToSendStuffBit(0); | |
118 | ToSendStuffBit(1); | |
119 | ToSendStuffBit(1); | |
120 | break; | |
121 | case 3: | |
122 | ToSendStuffBit(1); | |
123 | ToSendStuffBit(1); | |
124 | ToSendStuffBit(1); | |
125 | ToSendStuffBit(1); | |
126 | ToSendStuffBit(1); | |
127 | ToSendStuffBit(1); | |
128 | ToSendStuffBit(1); | |
129 | ToSendStuffBit(0); | |
130 | break; | |
131 | } | |
132 | } | |
133 | } | |
134 | ToSendStuffBit(1); | |
135 | ToSendStuffBit(1); | |
136 | ToSendStuffBit(0); | |
137 | ToSendStuffBit(1); | |
138 | ||
139 | // And slack at the end, too. | |
140 | for(i = 0; i < 24; i++) { | |
141 | ToSendStuffBit(1); | |
142 | } | |
143 | } | |
144 | ||
145 | //----------------------------------------------------------------------------- | |
146 | // The CRC used by ISO 15693. | |
147 | //----------------------------------------------------------------------------- | |
148 | static WORD Crc(BYTE *v, int n) | |
149 | { | |
150 | DWORD reg; | |
151 | int i, j; | |
152 | ||
153 | reg = 0xffff; | |
154 | for(i = 0; i < n; i++) { | |
155 | reg = reg ^ ((DWORD)v[i]); | |
156 | for (j = 0; j < 8; j++) { | |
157 | if (reg & 0x0001) { | |
158 | reg = (reg >> 1) ^ 0x8408; | |
159 | } else { | |
160 | reg = (reg >> 1); | |
161 | } | |
162 | } | |
163 | } | |
164 | ||
165 | return ~reg; | |
166 | } | |
167 | ||
168 | char *strcat(char *dest, const char *src) | |
169 | { | |
170 | size_t dest_len = strlen(dest); | |
171 | size_t i; | |
172 | ||
173 | for (i = 0 ; src[i] != '\0' ; i++) | |
174 | dest[dest_len + i] = src[i]; | |
175 | dest[dest_len + i] = '\0'; | |
176 | ||
177 | return dest; | |
178 | } | |
179 | ||
180 | ////////////////////////////////////////// code to do 'itoa' | |
181 | ||
182 | /* reverse: reverse string s in place */ | |
183 | void reverse(char s[]) | |
184 | { | |
185 | int c, i, j; | |
186 | ||
187 | for (i = 0, j = strlen(s)-1; i<j; i++, j--) { | |
188 | c = s[i]; | |
189 | s[i] = s[j]; | |
190 | s[j] = c; | |
191 | } | |
192 | } | |
193 | ||
194 | /* itoa: convert n to characters in s */ | |
195 | void itoa(int n, char s[]) | |
196 | { | |
197 | int i, sign; | |
198 | ||
199 | if ((sign = n) < 0) /* record sign */ | |
200 | n = -n; /* make n positive */ | |
201 | i = 0; | |
202 | do { /* generate digits in reverse order */ | |
203 | s[i++] = n % 10 + '0'; /* get next digit */ | |
204 | } while ((n /= 10) > 0); /* delete it */ | |
205 | if (sign < 0) | |
206 | s[i++] = '-'; | |
207 | s[i] = '\0'; | |
208 | reverse(s); | |
209 | } | |
210 | ||
211 | //////////////////////////////////////// END 'itoa' CODE | |
212 | ||
213 | //----------------------------------------------------------------------------- | |
214 | // Encode (into the ToSend buffers) an identify request, which is the first | |
215 | // thing that you must send to a tag to get a response. | |
216 | //----------------------------------------------------------------------------- | |
217 | static void BuildIdentifyRequest(void) | |
218 | { | |
219 | BYTE cmd[5]; | |
220 | ||
221 | WORD crc; | |
222 | // one sub-carrier, inventory, 1 slot, fast rate | |
223 | // AFI is at bit 5 (1<<4) when doing an INVENTORY | |
224 | cmd[0] = (1 << 2) | (1 << 5) | (1 << 1); | |
225 | // inventory command code | |
226 | cmd[1] = 0x01; | |
227 | // no mask | |
228 | cmd[2] = 0x00; | |
229 | //Now the CRC | |
230 | crc = Crc(cmd, 3); | |
231 | cmd[3] = crc & 0xff; | |
232 | cmd[4] = crc >> 8; | |
233 | ||
234 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
235 | } | |
236 | ||
237 | static void __attribute__((unused)) BuildSysInfoRequest(BYTE *uid) | |
238 | { | |
239 | BYTE cmd[12]; | |
240 | ||
241 | WORD crc; | |
242 | // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block | |
243 | // followed by teh block data | |
244 | // one sub-carrier, inventory, 1 slot, fast rate | |
245 | cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit | |
246 | // System Information command code | |
247 | cmd[1] = 0x2B; | |
248 | // UID may be optionally specified here | |
249 | // 64-bit UID | |
250 | cmd[2] = 0x32; | |
251 | cmd[3]= 0x4b; | |
252 | cmd[4] = 0x03; | |
253 | cmd[5] = 0x01; | |
254 | cmd[6] = 0x00; | |
255 | cmd[7] = 0x10; | |
256 | cmd[8] = 0x05; | |
257 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
258 | //Now the CRC | |
259 | crc = Crc(cmd, 10); // the crc needs to be calculated over 2 bytes | |
260 | cmd[10] = crc & 0xff; | |
261 | cmd[11] = crc >> 8; | |
262 | ||
263 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
264 | } | |
265 | ||
266 | static void BuildSelectRequest( BYTE uid[]) | |
267 | { | |
268 | ||
269 | // uid[6]=0x31; // this is getting ignored - the uid array is not happening... | |
270 | BYTE cmd[12]; | |
271 | ||
272 | WORD crc; | |
273 | // one sub-carrier, inventory, 1 slot, fast rate | |
274 | //cmd[0] = (1 << 2) | (1 << 5) | (1 << 1); // INVENTROY FLAGS | |
275 | cmd[0] = (1 << 4) | (1 << 5) | (1 << 1); // Select and addressed FLAGS | |
276 | // SELECT command code | |
277 | cmd[1] = 0x25; | |
278 | // 64-bit UID | |
279 | // cmd[2] = uid[0];//0x32; | |
280 | // cmd[3]= uid[1];//0x4b; | |
281 | // cmd[4] = uid[2];//0x03; | |
282 | // cmd[5] = uid[3];//0x01; | |
283 | // cmd[6] = uid[4];//0x00; | |
284 | // cmd[7] = uid[5];//0x10; | |
285 | // cmd[8] = uid[6];//0x05; | |
286 | cmd[2] = 0x32;// | |
287 | cmd[3] = 0x4b; | |
288 | cmd[4] = 0x03; | |
289 | cmd[5] = 0x01; | |
290 | cmd[6] = 0x00; | |
291 | cmd[7] = 0x10; | |
292 | cmd[8] = 0x05; // infineon? | |
293 | ||
294 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
295 | ||
296 | // DbpIntegers(cmd[8],cmd[7],cmd[6]); | |
297 | // Now the CRC | |
298 | crc = Crc(cmd, 10); // the crc needs to be calculated over 10 bytes | |
299 | cmd[10] = crc & 0xff; | |
300 | cmd[11] = crc >> 8; | |
301 | ||
302 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
303 | } | |
304 | ||
305 | static void __attribute__((unused)) BuildReadBlockRequest(BYTE *uid, BYTE blockNumber ) | |
306 | { | |
307 | BYTE cmd[13]; | |
308 | ||
309 | WORD crc; | |
310 | // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block | |
311 | // followed by teh block data | |
312 | // one sub-carrier, inventory, 1 slot, fast rate | |
313 | cmd[0] = (1 << 6)| (1 << 5) | (1 << 1); // no SELECT bit | |
314 | // READ BLOCK command code | |
315 | cmd[1] = 0x20; | |
316 | // UID may be optionally specified here | |
317 | // 64-bit UID | |
318 | cmd[2] = 0x32; | |
319 | cmd[3]= 0x4b; | |
320 | cmd[4] = 0x03; | |
321 | cmd[5] = 0x01; | |
322 | cmd[6] = 0x00; | |
323 | cmd[7] = 0x10; | |
324 | cmd[8] = 0x05; | |
325 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
326 | // Block number to read | |
327 | cmd[10] = blockNumber;//0x00; | |
328 | //Now the CRC | |
329 | crc = Crc(cmd, 11); // the crc needs to be calculated over 2 bytes | |
330 | cmd[11] = crc & 0xff; | |
331 | cmd[12] = crc >> 8; | |
332 | ||
333 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
334 | } | |
335 | ||
336 | static void __attribute__((unused)) BuildReadMultiBlockRequest(BYTE *uid) | |
337 | { | |
338 | BYTE cmd[14]; | |
339 | ||
340 | WORD crc; | |
341 | // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block | |
342 | // followed by teh block data | |
343 | // one sub-carrier, inventory, 1 slot, fast rate | |
344 | cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit | |
345 | // READ Multi BLOCK command code | |
346 | cmd[1] = 0x23; | |
347 | // UID may be optionally specified here | |
348 | // 64-bit UID | |
349 | cmd[2] = 0x32; | |
350 | cmd[3]= 0x4b; | |
351 | cmd[4] = 0x03; | |
352 | cmd[5] = 0x01; | |
353 | cmd[6] = 0x00; | |
354 | cmd[7] = 0x10; | |
355 | cmd[8] = 0x05; | |
356 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
357 | // First Block number to read | |
358 | cmd[10] = 0x00; | |
359 | // Number of Blocks to read | |
360 | cmd[11] = 0x2f; // read quite a few | |
361 | //Now the CRC | |
362 | crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes | |
363 | cmd[12] = crc & 0xff; | |
364 | cmd[13] = crc >> 8; | |
365 | ||
366 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
367 | } | |
368 | ||
369 | static void __attribute__((unused)) BuildArbitraryRequest(BYTE *uid,BYTE CmdCode) | |
370 | { | |
371 | BYTE cmd[14]; | |
372 | ||
373 | WORD crc; | |
374 | // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block | |
375 | // followed by teh block data | |
376 | // one sub-carrier, inventory, 1 slot, fast rate | |
377 | cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit | |
378 | // READ BLOCK command code | |
379 | cmd[1] = CmdCode; | |
380 | // UID may be optionally specified here | |
381 | // 64-bit UID | |
382 | cmd[2] = 0x32; | |
383 | cmd[3]= 0x4b; | |
384 | cmd[4] = 0x03; | |
385 | cmd[5] = 0x01; | |
386 | cmd[6] = 0x00; | |
387 | cmd[7] = 0x10; | |
388 | cmd[8] = 0x05; | |
389 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
390 | // Parameter | |
391 | cmd[10] = 0x00; | |
392 | cmd[11] = 0x0a; | |
393 | ||
394 | // cmd[12] = 0x00; | |
395 | // cmd[13] = 0x00; //Now the CRC | |
396 | crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes | |
397 | cmd[12] = crc & 0xff; | |
398 | cmd[13] = crc >> 8; | |
399 | ||
400 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
401 | } | |
402 | ||
403 | static void __attribute__((unused)) BuildArbitraryCustomRequest(BYTE uid[], BYTE CmdCode) | |
404 | { | |
405 | BYTE cmd[14]; | |
406 | ||
407 | WORD crc; | |
408 | // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block | |
409 | // followed by teh block data | |
410 | // one sub-carrier, inventory, 1 slot, fast rate | |
411 | cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit | |
412 | // READ BLOCK command code | |
413 | cmd[1] = CmdCode; | |
414 | // UID may be optionally specified here | |
415 | // 64-bit UID | |
416 | cmd[2] = 0x32; | |
417 | cmd[3]= 0x4b; | |
418 | cmd[4] = 0x03; | |
419 | cmd[5] = 0x01; | |
420 | cmd[6] = 0x00; | |
421 | cmd[7] = 0x10; | |
422 | cmd[8] = 0x05; | |
423 | cmd[9]= 0xe0; // always e0 (not exactly unique) | |
424 | // Parameter | |
425 | cmd[10] = 0x05; // for custom codes this must be manufcturer code | |
426 | cmd[11] = 0x00; | |
427 | ||
428 | // cmd[12] = 0x00; | |
429 | // cmd[13] = 0x00; //Now the CRC | |
430 | crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes | |
431 | cmd[12] = crc & 0xff; | |
432 | cmd[13] = crc >> 8; | |
433 | ||
434 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
435 | } | |
436 | ||
437 | ///////////////////////////////////////////////////////////////////////// | |
438 | // Now the VICC>VCD responses when we are simulating a tag | |
439 | //////////////////////////////////////////////////////////////////// | |
440 | ||
441 | static void BuildInventoryResponse(void) | |
442 | { | |
443 | BYTE cmd[12]; | |
444 | ||
445 | WORD crc; | |
446 | // one sub-carrier, inventory, 1 slot, fast rate | |
447 | // AFI is at bit 5 (1<<4) when doing an INVENTORY | |
448 | cmd[0] = 0; //(1 << 2) | (1 << 5) | (1 << 1); | |
449 | cmd[1] = 0; | |
450 | // 64-bit UID | |
451 | cmd[2] = 0x32; | |
452 | cmd[3]= 0x4b; | |
453 | cmd[4] = 0x03; | |
454 | cmd[5] = 0x01; | |
455 | cmd[6] = 0x00; | |
456 | cmd[7] = 0x10; | |
457 | cmd[8] = 0x05; | |
458 | cmd[9]= 0xe0; | |
459 | //Now the CRC | |
460 | crc = Crc(cmd, 10); | |
461 | cmd[10] = crc & 0xff; | |
462 | cmd[11] = crc >> 8; | |
463 | ||
464 | CodeIso15693AsReader(cmd, sizeof(cmd)); | |
465 | } | |
466 | ||
467 | //----------------------------------------------------------------------------- | |
468 | // Transmit the command (to the tag) that was placed in ToSend[]. | |
469 | //----------------------------------------------------------------------------- | |
470 | static void TransmitTo15693Tag(const BYTE *cmd, int len, int *samples, int *wait) | |
471 | { | |
472 | int c; | |
473 | ||
474 | // FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD); | |
475 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX); | |
476 | if(*wait < 10) { *wait = 10; } | |
477 | ||
478 | // for(c = 0; c < *wait;) { | |
479 | // if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
480 | // AT91C_BASE_SSC->SSC_THR = 0x00; // For exact timing! | |
481 | // c++; | |
482 | // } | |
483 | // if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
484 | // volatile DWORD r = AT91C_BASE_SSC->SSC_RHR; | |
485 | // (void)r; | |
486 | // } | |
487 | // WDT_HIT(); | |
488 | // } | |
489 | ||
490 | c = 0; | |
491 | for(;;) { | |
492 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
493 | AT91C_BASE_SSC->SSC_THR = cmd[c]; | |
494 | c++; | |
495 | if(c >= len) { | |
496 | break; | |
497 | } | |
498 | } | |
499 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
500 | volatile DWORD r = AT91C_BASE_SSC->SSC_RHR; | |
501 | (void)r; | |
502 | } | |
503 | WDT_HIT(); | |
504 | } | |
505 | *samples = (c + *wait) << 3; | |
506 | } | |
507 | ||
508 | //----------------------------------------------------------------------------- | |
509 | // Transmit the command (to the reader) that was placed in ToSend[]. | |
510 | //----------------------------------------------------------------------------- | |
511 | static void TransmitTo15693Reader(const BYTE *cmd, int len, int *samples, int *wait) | |
512 | { | |
513 | int c; | |
514 | ||
515 | // FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX); | |
516 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR); // No requirement to energise my coils | |
517 | if(*wait < 10) { *wait = 10; } | |
518 | ||
519 | c = 0; | |
520 | for(;;) { | |
521 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
522 | AT91C_BASE_SSC->SSC_THR = cmd[c]; | |
523 | c++; | |
524 | if(c >= len) { | |
525 | break; | |
526 | } | |
527 | } | |
528 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
529 | volatile DWORD r = AT91C_BASE_SSC->SSC_RHR; | |
530 | (void)r; | |
531 | } | |
532 | WDT_HIT(); | |
533 | } | |
534 | *samples = (c + *wait) << 3; | |
535 | } | |
536 | ||
537 | static int GetIso15693AnswerFromTag(BYTE *receivedResponse, int maxLen, int *samples, int *elapsed) | |
538 | { | |
539 | int c = 0; | |
540 | BYTE *dest = (BYTE *)BigBuf; | |
541 | int getNext = 0; | |
542 | ||
543 | SBYTE prev = 0; | |
544 | ||
545 | // NOW READ RESPONSE | |
546 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); | |
547 | //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads | |
548 | c = 0; | |
549 | getNext = FALSE; | |
550 | for(;;) { | |
551 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
552 | AT91C_BASE_SSC->SSC_THR = 0x43; | |
553 | } | |
554 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
555 | SBYTE b; | |
556 | b = (SBYTE)AT91C_BASE_SSC->SSC_RHR; | |
557 | ||
558 | // The samples are correlations against I and Q versions of the | |
559 | // tone that the tag AM-modulates, so every other sample is I, | |
560 | // every other is Q. We just want power, so abs(I) + abs(Q) is | |
561 | // close to what we want. | |
562 | if(getNext) { | |
563 | SBYTE r; | |
564 | ||
565 | if(b < 0) { | |
566 | r = -b; | |
567 | } else { | |
568 | r = b; | |
569 | } | |
570 | if(prev < 0) { | |
571 | r -= prev; | |
572 | } else { | |
573 | r += prev; | |
574 | } | |
575 | ||
576 | dest[c++] = (BYTE)r; | |
577 | ||
578 | if(c >= 2000) { | |
579 | break; | |
580 | } | |
581 | } else { | |
582 | prev = b; | |
583 | } | |
584 | ||
585 | getNext = !getNext; | |
586 | } | |
587 | } | |
588 | ||
589 | ////////////////////////////////////////// | |
590 | /////////// DEMODULATE /////////////////// | |
591 | ////////////////////////////////////////// | |
592 | ||
593 | int i, j; | |
594 | int max = 0, maxPos=0; | |
595 | ||
596 | int skip = 4; | |
597 | ||
598 | // if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL | |
599 | ||
600 | // First, correlate for SOF | |
601 | for(i = 0; i < 100; i++) { | |
602 | int corr = 0; | |
603 | for(j = 0; j < arraylen(FrameSOF); j += skip) { | |
604 | corr += FrameSOF[j]*dest[i+(j/skip)]; | |
605 | } | |
606 | if(corr > max) { | |
607 | max = corr; | |
608 | maxPos = i; | |
609 | } | |
610 | } | |
611 | // DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip)); | |
612 | ||
613 | int k = 0; // this will be our return value | |
614 | ||
615 | // greg - If correlation is less than 1 then there's little point in continuing | |
616 | if ((max/(arraylen(FrameSOF)/skip)) >= 1) | |
617 | { | |
618 | ||
619 | i = maxPos + arraylen(FrameSOF)/skip; | |
620 | ||
621 | BYTE outBuf[20]; | |
622 | memset(outBuf, 0, sizeof(outBuf)); | |
623 | BYTE mask = 0x01; | |
624 | for(;;) { | |
625 | int corr0 = 0, corr1 = 0, corrEOF = 0; | |
626 | for(j = 0; j < arraylen(Logic0); j += skip) { | |
627 | corr0 += Logic0[j]*dest[i+(j/skip)]; | |
628 | } | |
629 | for(j = 0; j < arraylen(Logic1); j += skip) { | |
630 | corr1 += Logic1[j]*dest[i+(j/skip)]; | |
631 | } | |
632 | for(j = 0; j < arraylen(FrameEOF); j += skip) { | |
633 | corrEOF += FrameEOF[j]*dest[i+(j/skip)]; | |
634 | } | |
635 | // Even things out by the length of the target waveform. | |
636 | corr0 *= 4; | |
637 | corr1 *= 4; | |
638 | ||
639 | if(corrEOF > corr1 && corrEOF > corr0) { | |
640 | // DbpString("EOF at %d", i); | |
641 | break; | |
642 | } else if(corr1 > corr0) { | |
643 | i += arraylen(Logic1)/skip; | |
644 | outBuf[k] |= mask; | |
645 | } else { | |
646 | i += arraylen(Logic0)/skip; | |
647 | } | |
648 | mask <<= 1; | |
649 | if(mask == 0) { | |
650 | k++; | |
651 | mask = 0x01; | |
652 | } | |
653 | if((i+(int)arraylen(FrameEOF)) >= 2000) { | |
654 | DbpString("ran off end!"); | |
655 | break; | |
656 | } | |
657 | } | |
658 | if(mask != 0x01) { | |
659 | DbpString("error, uneven octet! (discard extra bits!)"); | |
660 | /// DbpString(" mask=%02x", mask); | |
661 | } | |
662 | // BYTE str1 [8]; | |
663 | // itoa(k,str1); | |
664 | // strcat(str1," octets read"); | |
665 | ||
666 | // DbpString( str1); // DbpString("%d octets", k); | |
667 | ||
668 | // for(i = 0; i < k; i+=3) { | |
669 | // //DbpString("# %2d: %02x ", i, outBuf[i]); | |
670 | // DbpIntegers(outBuf[i],outBuf[i+1],outBuf[i+2]); | |
671 | // } | |
672 | ||
673 | for(i = 0; i < k; i++) { | |
674 | receivedResponse[i] = outBuf[i]; | |
675 | } | |
676 | } // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip)) | |
677 | return k; // return the number of bytes demodulated | |
678 | ||
679 | /// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2)); | |
680 | ||
681 | } | |
682 | ||
683 | // Now the GetISO15693 message from sniffing command | |
684 | static int GetIso15693AnswerFromSniff(BYTE *receivedResponse, int maxLen, int *samples, int *elapsed) | |
685 | { | |
686 | int c = 0; | |
687 | BYTE *dest = (BYTE *)BigBuf; | |
688 | int getNext = 0; | |
689 | ||
690 | SBYTE prev = 0; | |
691 | ||
692 | // NOW READ RESPONSE | |
693 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); | |
694 | //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads | |
695 | c = 0; | |
696 | getNext = FALSE; | |
697 | for(;;) { | |
698 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
699 | AT91C_BASE_SSC->SSC_THR = 0x43; | |
700 | } | |
701 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
702 | SBYTE b; | |
703 | b = (SBYTE)AT91C_BASE_SSC->SSC_RHR; | |
704 | ||
705 | // The samples are correlations against I and Q versions of the | |
706 | // tone that the tag AM-modulates, so every other sample is I, | |
707 | // every other is Q. We just want power, so abs(I) + abs(Q) is | |
708 | // close to what we want. | |
709 | if(getNext) { | |
710 | SBYTE r; | |
711 | ||
712 | if(b < 0) { | |
713 | r = -b; | |
714 | } else { | |
715 | r = b; | |
716 | } | |
717 | if(prev < 0) { | |
718 | r -= prev; | |
719 | } else { | |
720 | r += prev; | |
721 | } | |
722 | ||
723 | dest[c++] = (BYTE)r; | |
724 | ||
725 | if(c >= 20000) { | |
726 | break; | |
727 | } | |
728 | } else { | |
729 | prev = b; | |
730 | } | |
731 | ||
732 | getNext = !getNext; | |
733 | } | |
734 | } | |
735 | ||
736 | ////////////////////////////////////////// | |
737 | /////////// DEMODULATE /////////////////// | |
738 | ////////////////////////////////////////// | |
739 | ||
740 | int i, j; | |
741 | int max = 0, maxPos=0; | |
742 | ||
743 | int skip = 4; | |
744 | ||
745 | // if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL | |
746 | ||
747 | // First, correlate for SOF | |
748 | for(i = 0; i < 19000; i++) { | |
749 | int corr = 0; | |
750 | for(j = 0; j < arraylen(FrameSOF); j += skip) { | |
751 | corr += FrameSOF[j]*dest[i+(j/skip)]; | |
752 | } | |
753 | if(corr > max) { | |
754 | max = corr; | |
755 | maxPos = i; | |
756 | } | |
757 | } | |
758 | // DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip)); | |
759 | ||
760 | int k = 0; // this will be our return value | |
761 | ||
762 | // greg - If correlation is less than 1 then there's little point in continuing | |
763 | if ((max/(arraylen(FrameSOF)/skip)) >= 1) // THIS SHOULD BE 1 | |
764 | { | |
765 | ||
766 | i = maxPos + arraylen(FrameSOF)/skip; | |
767 | ||
768 | BYTE outBuf[20]; | |
769 | memset(outBuf, 0, sizeof(outBuf)); | |
770 | BYTE mask = 0x01; | |
771 | for(;;) { | |
772 | int corr0 = 0, corr1 = 0, corrEOF = 0; | |
773 | for(j = 0; j < arraylen(Logic0); j += skip) { | |
774 | corr0 += Logic0[j]*dest[i+(j/skip)]; | |
775 | } | |
776 | for(j = 0; j < arraylen(Logic1); j += skip) { | |
777 | corr1 += Logic1[j]*dest[i+(j/skip)]; | |
778 | } | |
779 | for(j = 0; j < arraylen(FrameEOF); j += skip) { | |
780 | corrEOF += FrameEOF[j]*dest[i+(j/skip)]; | |
781 | } | |
782 | // Even things out by the length of the target waveform. | |
783 | corr0 *= 4; | |
784 | corr1 *= 4; | |
785 | ||
786 | if(corrEOF > corr1 && corrEOF > corr0) { | |
787 | // DbpString("EOF at %d", i); | |
788 | break; | |
789 | } else if(corr1 > corr0) { | |
790 | i += arraylen(Logic1)/skip; | |
791 | outBuf[k] |= mask; | |
792 | } else { | |
793 | i += arraylen(Logic0)/skip; | |
794 | } | |
795 | mask <<= 1; | |
796 | if(mask == 0) { | |
797 | k++; | |
798 | mask = 0x01; | |
799 | } | |
800 | if((i+(int)arraylen(FrameEOF)) >= 2000) { | |
801 | DbpString("ran off end!"); | |
802 | break; | |
803 | } | |
804 | } | |
805 | if(mask != 0x01) { | |
806 | DbpString("error, uneven octet! (discard extra bits!)"); | |
807 | /// DbpString(" mask=%02x", mask); | |
808 | } | |
809 | // BYTE str1 [8]; | |
810 | // itoa(k,str1); | |
811 | // strcat(str1," octets read"); | |
812 | ||
813 | // DbpString( str1); // DbpString("%d octets", k); | |
814 | ||
815 | // for(i = 0; i < k; i+=3) { | |
816 | // //DbpString("# %2d: %02x ", i, outBuf[i]); | |
817 | // DbpIntegers(outBuf[i],outBuf[i+1],outBuf[i+2]); | |
818 | // } | |
819 | ||
820 | for(i = 0; i < k; i++) { | |
821 | receivedResponse[i] = outBuf[i]; | |
822 | } | |
823 | } // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip)) | |
824 | return k; // return the number of bytes demodulated | |
825 | ||
826 | /// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2)); | |
827 | } | |
828 | ||
829 | //----------------------------------------------------------------------------- | |
830 | // Start to read an ISO 15693 tag. We send an identify request, then wait | |
831 | // for the response. The response is not demodulated, just left in the buffer | |
832 | // so that it can be downloaded to a PC and processed there. | |
833 | //----------------------------------------------------------------------------- | |
834 | void AcquireRawAdcSamplesIso15693(void) | |
835 | { | |
836 | int c = 0; | |
837 | BYTE *dest = (BYTE *)BigBuf; | |
838 | int getNext = 0; | |
839 | ||
840 | SBYTE prev = 0; | |
841 | ||
842 | BuildIdentifyRequest(); | |
843 | ||
844 | SetAdcMuxFor(GPIO_MUXSEL_HIPKD); | |
845 | ||
846 | // Give the tags time to energize | |
847 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); | |
848 | SpinDelay(100); | |
849 | ||
850 | // Now send the command | |
851 | FpgaSetupSsc(); | |
852 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX); | |
853 | ||
854 | c = 0; | |
855 | for(;;) { | |
856 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
857 | AT91C_BASE_SSC->SSC_THR = ToSend[c]; | |
858 | c++; | |
859 | if(c == ToSendMax+3) { | |
860 | break; | |
861 | } | |
862 | } | |
863 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
864 | volatile DWORD r = AT91C_BASE_SSC->SSC_RHR; | |
865 | (void)r; | |
866 | } | |
867 | WDT_HIT(); | |
868 | } | |
869 | ||
870 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); | |
871 | ||
872 | c = 0; | |
873 | getNext = FALSE; | |
874 | for(;;) { | |
875 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { | |
876 | AT91C_BASE_SSC->SSC_THR = 0x43; | |
877 | } | |
878 | if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { | |
879 | SBYTE b; | |
880 | b = (SBYTE)AT91C_BASE_SSC->SSC_RHR; | |
881 | ||
882 | // The samples are correlations against I and Q versions of the | |
883 | // tone that the tag AM-modulates, so every other sample is I, | |
884 | // every other is Q. We just want power, so abs(I) + abs(Q) is | |
885 | // close to what we want. | |
886 | if(getNext) { | |
887 | SBYTE r; | |
888 | ||
889 | if(b < 0) { | |
890 | r = -b; | |
891 | } else { | |
892 | r = b; | |
893 | } | |
894 | if(prev < 0) { | |
895 | r -= prev; | |
896 | } else { | |
897 | r += prev; | |
898 | } | |
899 | ||
900 | dest[c++] = (BYTE)r; | |
901 | ||
902 | if(c >= 2000) { | |
903 | break; | |
904 | } | |
905 | } else { | |
906 | prev = b; | |
907 | } | |
908 | ||
909 | getNext = !getNext; | |
910 | } | |
911 | } | |
912 | } | |
913 | ||
914 | //----------------------------------------------------------------------------- | |
915 | // Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector | |
916 | // all demodulation performed in arm rather than host. - greg | |
917 | //----------------------------------------------------------------------------- | |
918 | void ReaderIso15693(DWORD parameter) | |
919 | { | |
920 | LED_A_ON(); | |
921 | LED_B_ON(); | |
922 | LED_C_OFF(); | |
923 | LED_D_OFF(); | |
924 | ||
925 | //DbpString(parameter); | |
926 | ||
927 | //BYTE *answer0 = (((BYTE *)BigBuf) + 3560); // allow 100 bytes per reponse (way too much) | |
928 | BYTE *answer1 = (((BYTE *)BigBuf) + 3660); // | |
929 | BYTE *answer2 = (((BYTE *)BigBuf) + 3760); | |
930 | BYTE *answer3 = (((BYTE *)BigBuf) + 3860); | |
931 | //BYTE *TagUID= (((BYTE *)BigBuf) + 3960); // where we hold the uid for hi15reader | |
932 | // int answerLen0 = 0; | |
933 | int answerLen1 = 0; | |
934 | int answerLen2 = 0; | |
935 | int answerLen3 = 0; | |
936 | ||
937 | // Blank arrays | |
938 | memset(BigBuf + 3660, 0, 300); | |
939 | ||
940 | // Setup SSC | |
941 | FpgaSetupSsc(); | |
942 | ||
943 | // Start from off (no field generated) | |
944 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); | |
945 | SpinDelay(200); | |
946 | ||
947 | SetAdcMuxFor(GPIO_MUXSEL_HIPKD); | |
948 | FpgaSetupSsc(); | |
949 | ||
950 | // Give the tags time to energize | |
951 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); | |
952 | SpinDelay(200); | |
953 | ||
954 | LED_A_ON(); | |
955 | LED_B_OFF(); | |
956 | LED_C_OFF(); | |
957 | LED_D_OFF(); | |
958 | ||
959 | int samples = 0; | |
960 | int tsamples = 0; | |
961 | int wait = 0; | |
962 | int elapsed = 0; | |
963 | ||
964 | // FIRST WE RUN AN INVENTORY TO GET THE TAG UID | |
965 | // THIS MEANS WE CAN PRE-BUILD REQUESTS TO SAVE CPU TIME | |
966 | BYTE TagUID[7]; // where we hold the uid for hi15reader | |
967 | ||
968 | // BuildIdentifyRequest(); | |
969 | // //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait); | |
970 | // TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3 | |
971 | // // Now wait for a response | |
972 | // responseLen0 = GetIso15693AnswerFromTag(receivedAnswer0, 100, &samples, &elapsed) ; | |
973 | // if (responseLen0 >=12) // we should do a better check than this | |
974 | // { | |
975 | // // really we should check it is a valid mesg | |
976 | // // but for now just grab what we think is the uid | |
977 | // TagUID[0] = receivedAnswer0[2]; | |
978 | // TagUID[1] = receivedAnswer0[3]; | |
979 | // TagUID[2] = receivedAnswer0[4]; | |
980 | // TagUID[3] = receivedAnswer0[5]; | |
981 | // TagUID[4] = receivedAnswer0[6]; | |
982 | // TagUID[5] = receivedAnswer0[7]; | |
983 | // TagUID[6] = receivedAnswer0[8]; // IC Manufacturer code | |
984 | // DbpIntegers(TagUID[6],TagUID[5],TagUID[4]); | |
985 | //} | |
986 | ||
987 | // Now send the IDENTIFY command | |
988 | BuildIdentifyRequest(); | |
989 | //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait); | |
990 | TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3 | |
991 | // Now wait for a response | |
992 | answerLen1 = GetIso15693AnswerFromTag(answer1, 100, &samples, &elapsed) ; | |
993 | ||
994 | if (answerLen1 >=12) // we should do a better check than this | |
995 | { | |
996 | ||
997 | TagUID[0] = answer1[2]; | |
998 | TagUID[1] = answer1[3]; | |
999 | TagUID[2] = answer1[4]; | |
1000 | TagUID[3] = answer1[5]; | |
1001 | TagUID[4] = answer1[6]; | |
1002 | TagUID[5] = answer1[7]; | |
1003 | TagUID[6] = answer1[8]; // IC Manufacturer code | |
1004 | ||
1005 | // Now send the SELECT command | |
1006 | BuildSelectRequest(TagUID); | |
1007 | TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3 | |
1008 | // Now wait for a response | |
1009 | answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed); | |
1010 | ||
1011 | // Now send the MULTI READ command | |
1012 | // BuildArbitraryRequest(*TagUID,parameter); | |
1013 | BuildArbitraryCustomRequest(TagUID,parameter); | |
1014 | // BuildReadBlockRequest(*TagUID,parameter); | |
1015 | // BuildSysInfoRequest(*TagUID); | |
1016 | //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait); | |
1017 | TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3 | |
1018 | // Now wait for a response | |
1019 | answerLen3 = GetIso15693AnswerFromTag(answer3, 100, &samples, &elapsed) ; | |
1020 | ||
1021 | } | |
1022 | ||
1023 | Dbprintf("%d octets read from IDENTIFY request: %x %x %x %x %x %x %x %x %x", answerLen1, | |
1024 | answer1[0], answer1[1], answer1[2], | |
1025 | answer1[3], answer1[4], answer1[5], | |
1026 | answer1[6], answer1[7], answer1[8]); | |
1027 | ||
1028 | Dbprintf("%d octets read from SELECT request: %x %x %x %x %x %x %x %x %x", answerLen2, | |
1029 | answer2[0], answer2[1], answer2[2], | |
1030 | answer2[3], answer2[4], answer2[5], | |
1031 | answer2[6], answer2[7], answer2[8]); | |
1032 | ||
1033 | Dbprintf("%d octets read from XXX request: %x %x %x %x %x %x %x %x %x", answerLen3, | |
1034 | answer3[0], answer3[1], answer3[2], | |
1035 | answer3[3], answer3[4], answer3[5], | |
1036 | answer3[6], answer3[7], answer3[8]); | |
1037 | ||
1038 | ||
1039 | // str2[0]=0; | |
1040 | // for(i = 0; i < responseLen3; i++) { | |
1041 | // itoa(str1,receivedAnswer3[i]); | |
1042 | // strcat(str2,str1); | |
1043 | // } | |
1044 | // DbpString(str2); | |
1045 | ||
1046 | LED_A_OFF(); | |
1047 | LED_B_OFF(); | |
1048 | LED_C_OFF(); | |
1049 | LED_D_OFF(); | |
1050 | } | |
1051 | ||
1052 | //----------------------------------------------------------------------------- | |
1053 | // Simulate an ISO15693 TAG, perform anti-collision and then print any reader commands | |
1054 | // all demodulation performed in arm rather than host. - greg | |
1055 | //----------------------------------------------------------------------------- | |
1056 | void SimTagIso15693(DWORD parameter) | |
1057 | { | |
1058 | LED_A_ON(); | |
1059 | LED_B_ON(); | |
1060 | LED_C_OFF(); | |
1061 | LED_D_OFF(); | |
1062 | ||
1063 | BYTE *answer1 = (((BYTE *)BigBuf) + 3660); // | |
1064 | int answerLen1 = 0; | |
1065 | ||
1066 | // Blank arrays | |
1067 | memset(answer1, 0, 100); | |
1068 | ||
1069 | // Setup SSC | |
1070 | FpgaSetupSsc(); | |
1071 | ||
1072 | // Start from off (no field generated) | |
1073 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); | |
1074 | SpinDelay(200); | |
1075 | ||
1076 | SetAdcMuxFor(GPIO_MUXSEL_HIPKD); | |
1077 | FpgaSetupSsc(); | |
1078 | ||
1079 | // Give the tags time to energize | |
1080 | // FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); // NO GOOD FOR SIM TAG!!!! | |
1081 | SpinDelay(200); | |
1082 | ||
1083 | LED_A_OFF(); | |
1084 | LED_B_OFF(); | |
1085 | LED_C_ON(); | |
1086 | LED_D_OFF(); | |
1087 | ||
1088 | int samples = 0; | |
1089 | int tsamples = 0; | |
1090 | int wait = 0; | |
1091 | int elapsed = 0; | |
1092 | ||
1093 | answerLen1 = GetIso15693AnswerFromSniff(answer1, 100, &samples, &elapsed) ; | |
1094 | ||
1095 | if (answerLen1 >=1) // we should do a better check than this | |
1096 | { | |
1097 | // Build a suitable reponse to the reader INVENTORY cocmmand | |
1098 | BuildInventoryResponse(); | |
1099 | TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait); | |
1100 | } | |
1101 | ||
1102 | Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1, | |
1103 | answer1[0], answer1[1], answer1[2], | |
1104 | answer1[3], answer1[4], answer1[5], | |
1105 | answer1[6], answer1[7], answer1[8]); | |
1106 | ||
1107 | LED_A_OFF(); | |
1108 | LED_B_OFF(); | |
1109 | LED_C_OFF(); | |
1110 | LED_D_OFF(); | |
1111 | } |