IEEE 802.15.4 subsystem
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Source at commit 8710be5665ec17da807a848e3286d3940c76dc1d created 11 years 1 month ago. By Werner Almesberger, tools/atrf-txrx/atrf-txrx.c: add section headers and update clkm comment | |
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1 | /* |
2 | * atrf-txrx/atrf-txrx.c - ben-wpan AT86RF230 TX/RX |
3 | * |
4 | * Written 2010-2011, 2013 by Werner Almesberger |
5 | * Copyright 2010-2011, 2013 Werner Almesberger |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | */ |
12 | |
13 | |
14 | #include <stdint.h> |
15 | #include <stdlib.h> |
16 | #include <stdio.h> |
17 | #include <unistd.h> |
18 | #include <string.h> |
19 | #include <math.h> |
20 | #include <signal.h> |
21 | #include <sys/wait.h> |
22 | #include <sys/time.h> |
23 | |
24 | #include "at86rf230.h" |
25 | #include "atrf.h" |
26 | #include "misctxrx.h" |
27 | #include "cwtest.h" |
28 | |
29 | #include "pcap.h" |
30 | |
31 | |
32 | /* |
33 | * According to IEEE 802.15.4-2003 section E.2.6, channel 15 is the only |
34 | * channel that falls into the 802.11 guard bands in North America an Europe. |
35 | */ |
36 | |
37 | #define DEFAULT_CHANNEL 15 /* channel 15, 2425 MHz */ |
38 | |
39 | #define DEFAULT_TRIM 8 /* trim range is 0-15, see also ECN0002 */ |
40 | |
41 | |
42 | /* |
43 | * Transmit power, dBm. IEEE 802.15.4-2003 section E.3.1.3 specifies a transmit |
44 | * power of 0 dBm for IEEE 802.15.4. We assume an antenna gain of 3 dB or |
45 | * better. |
46 | */ |
47 | |
48 | #define DEFAULT_POWER -3.2 /* transmit power, dBm */ |
49 | |
50 | |
51 | struct ping { |
52 | uint32_t seq; /* sequence number from originator, > 0 */ |
53 | uint32_t ack; /* last sequence number received, 0 if none */ |
54 | uint8_t pad[117]; /* pad to 127 bytes */ |
55 | uint16_t crc; |
56 | } __attribute__((__packed__)); |
57 | |
58 | enum rx_res { |
59 | rx_exit, |
60 | rx_good, |
61 | rx_bad, |
62 | rx_timeout, |
63 | }; |
64 | |
65 | enum mode { |
66 | mode_msg, |
67 | mode_hmac, |
68 | mode_per, |
69 | mode_ping, |
70 | mode_cont_tx, |
71 | }; |
72 | |
73 | |
74 | static volatile int run = 1; |
75 | |
76 | |
77 | /* ----- Helper functions -------------------------------------------------- */ |
78 | |
79 | |
80 | /* |
81 | * mhz: 0 disable CLKM |
82 | * >0 output specified clock |
83 | */ |
84 | |
85 | static struct atrf_dsc *init_txrx(const char *driver, int trim, unsigned mhz) |
86 | { |
87 | struct atrf_dsc *dsc; |
88 | |
89 | dsc = atrf_open(driver); |
90 | if (!dsc) |
91 | exit(1); |
92 | |
93 | atrf_reset_rf(dsc); |
94 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TRX_OFF); |
95 | |
96 | #if 1 // def HAVE_USB /* @@@ yeah, ugly */ |
97 | atrf_reg_write(dsc, REG_XOSC_CTRL, |
98 | (XTAL_MODE_INT << XTAL_MODE_SHIFT) | trim); |
99 | #else |
100 | atrf_reg_write(dsc, REG_XOSC_CTRL, XTAL_MODE_EXT << XTAL_MODE_SHIFT); |
101 | #endif |
102 | |
103 | if (!atrf_set_clkm(dsc, mhz)) |
104 | if (mhz) { |
105 | atrf_close(dsc); |
106 | exit(1); |
107 | } |
108 | |
109 | /* We want to see all interrupts, not only the ones we're expecting. */ |
110 | atrf_reg_write(dsc, REG_IRQ_MASK, 0xff); |
111 | |
112 | flush_interrupts(dsc); |
113 | if (atrf_identify(dsc) == artf_at86rf231) |
114 | wait_for_interrupt(dsc, IRQ_CCA_ED_DONE, IRQ_CCA_ED_DONE, 1); |
115 | /* according to table 7-1, 37 us max */ |
116 | |
117 | return dsc; |
118 | } |
119 | |
120 | |
121 | static void set_channel(struct atrf_dsc *dsc, int channel) |
122 | { |
123 | atrf_reg_write(dsc, REG_PHY_CC_CCA, (1 << CCA_MODE_SHIFT) | channel); |
124 | } |
125 | |
126 | |
127 | static void set_rate(struct atrf_dsc *dsc, uint8_t rate) |
128 | { |
129 | if (!rate) |
130 | return; |
131 | switch (atrf_identify(dsc)) { |
132 | case artf_at86rf230: |
133 | fprintf(stderr, "AT86RF230 only supports 250 kbps\n"); |
134 | break; |
135 | case artf_at86rf231: |
136 | atrf_reg_write(dsc, REG_TRX_CTRL_2, rate); |
137 | break; |
138 | default: |
139 | abort(); |
140 | } |
141 | } |
142 | |
143 | |
144 | /* ----- Message transmit/receive ------------------------------------------ */ |
145 | |
146 | |
147 | static void receive_message(struct atrf_dsc *dsc) |
148 | { |
149 | uint8_t buf[MAX_PSDU+1]; /* PSDU+LQI */ |
150 | int n, ok, i; |
151 | uint8_t ed, lqi; |
152 | |
153 | fprintf(stderr, "Ready.\n"); |
154 | wait_for_interrupt(dsc, IRQ_TRX_END, |
155 | IRQ_TRX_END | IRQ_RX_START | IRQ_AMI, 0); |
156 | if (!run) |
157 | return; |
158 | |
159 | n = atrf_buf_read(dsc, buf, sizeof(buf)); |
160 | if (n < 0) |
161 | exit(1); |
162 | if (n < 3) { |
163 | fprintf(stderr, "%d bytes received\n", n); |
164 | exit(1); |
165 | } |
166 | ed = atrf_reg_read(dsc, REG_PHY_ED_LEVEL); |
167 | ok = !!(atrf_reg_read(dsc, REG_PHY_RSSI) & RX_CRC_VALID); |
168 | lqi = buf[n-1]; |
169 | fprintf(stderr, "%d bytes payload, CRC %s, LQI %u, ED %d dBm\n", |
170 | n-3, ok ? "OK" : "BAD", lqi, -91+ed); |
171 | for (i = 0; i != n-3; i++) |
172 | putchar(buf[i] < ' ' || buf[i] > '~' ? '?' : buf[i]); |
173 | putchar('\n'); |
174 | } |
175 | |
176 | |
177 | static void write_pcap_hdr(FILE *file) |
178 | { |
179 | struct pcap_file_header hdr = { |
180 | .magic = PCAP_FILE_MAGIC, |
181 | .version_major = 2, |
182 | .version_minor = 4, |
183 | .thiszone = 0, |
184 | .sigfigs = 0, |
185 | .snaplen = MAX_PSDU, |
186 | .linktype = DLT_IEEE802_15_4 |
187 | }; |
188 | |
189 | if (fwrite(&hdr, sizeof(hdr), 1, file) != 1) { |
190 | perror("fwrite"); |
191 | exit(1); |
192 | } |
193 | } |
194 | |
195 | |
196 | static void write_pcap_rec(FILE *file, const struct timeval *tv, |
197 | const void *buf, int n) |
198 | { |
199 | struct pcap_pkthdr hdr = { |
200 | .ts_sec = tv->tv_sec, |
201 | .ts_usec = tv->tv_usec, |
202 | .caplen = n, |
203 | .len = n |
204 | }; |
205 | |
206 | if (fwrite(&hdr, sizeof(hdr), 1, file) != 1) { |
207 | perror("fwrite"); |
208 | exit(1); |
209 | } |
210 | if (fwrite(buf, n, 1, file) != 1) { |
211 | perror("fwrite"); |
212 | exit(1); |
213 | } |
214 | } |
215 | |
216 | |
217 | static void receive_pcap(struct atrf_dsc *dsc, const char *name) |
218 | { |
219 | FILE *file; |
220 | uint8_t buf[MAX_PSDU+1]; /* PSDU+LQI */ |
221 | struct timeval now; |
222 | int n; |
223 | int count = 0; |
224 | |
225 | file = fopen(name, "w"); |
226 | if (!file) { |
227 | perror(name); |
228 | exit(1); |
229 | } |
230 | write_pcap_hdr(file); |
231 | while (run) { |
232 | wait_for_interrupt(dsc, |
233 | IRQ_TRX_END, IRQ_TRX_END | IRQ_RX_START | IRQ_AMI, 0); |
234 | if (!run) |
235 | break; |
236 | gettimeofday(&now, NULL); |
237 | n = atrf_buf_read(dsc, buf, sizeof(buf)); |
238 | if (n < 0) |
239 | exit(1); |
240 | if (n < 2) { |
241 | fprintf(stderr, "%d bytes received\n", n); |
242 | continue; |
243 | } |
244 | write_pcap_rec(file, &now, buf, n-1); |
245 | (void) write(2, ".", 1); |
246 | count++; |
247 | } |
248 | if (fclose(file) == EOF) { |
249 | perror(name); |
250 | exit(1); |
251 | } |
252 | fprintf(stderr, "%sreceived %d message%s\n", count ? "\n" : "", |
253 | count, count == 1 ? "" : "s"); |
254 | } |
255 | |
256 | |
257 | static void receive(struct atrf_dsc *dsc, const char *name) |
258 | { |
259 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_RX_ON); |
260 | /* |
261 | * 180 us, according to AVR2001 section 4.2. We time out after |
262 | * nominally 200 us. |
263 | */ |
264 | wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 1); |
265 | |
266 | if (name) |
267 | receive_pcap(dsc, name); |
268 | else |
269 | receive_message(dsc); |
270 | } |
271 | |
272 | |
273 | static void transmit(struct atrf_dsc *dsc, const char *msg, int times) |
274 | { |
275 | uint8_t buf[MAX_PSDU]; |
276 | |
277 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_PLL_ON); |
278 | /* |
279 | * 180 us, according to AVR2001 section 4.3. We time out after |
280 | * nominally 200 us. |
281 | */ |
282 | wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 1); |
283 | |
284 | /* |
285 | * We need to copy the message to append the CRC placeholders. |
286 | */ |
287 | strcpy((void *) buf, msg); |
288 | atrf_buf_write(dsc, buf, strlen(msg)+2); |
289 | |
290 | while (run && times--) { |
291 | /* @@@ should wait for clear channel */ |
292 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TX_START); |
293 | |
294 | /* wait up to 10 ms (nominally) */ |
295 | wait_for_interrupt(dsc, IRQ_TRX_END, |
296 | IRQ_TRX_END | IRQ_PLL_LOCK, 10); |
297 | } |
298 | } |
299 | |
300 | |
301 | static void receive_hmac(struct atrf_dsc *dsc) |
302 | { |
303 | uint8_t buf[MAX_PSDU]; |
304 | uint8_t lqi; |
305 | int n, i; |
306 | |
307 | atrf_rx_mode(dsc, 1); |
308 | n = atrf_rx(dsc, buf, sizeof(buf), 0, &lqi); |
309 | atrf_rx_mode(dsc, 0); |
310 | |
311 | if (n < 2) { |
312 | fprintf(stderr, "%d bytes received\n", n); |
313 | exit(1); |
314 | } |
315 | for (i = 0; i != n-2; i++) |
316 | putchar(buf[i] < ' ' || buf[i] > '~' ? '?' : buf[i]); |
317 | putchar('\n'); |
318 | } |
319 | |
320 | |
321 | static void transmit_hmac(struct atrf_dsc *dsc, const char *msg) |
322 | { |
323 | atrf_rx_mode(dsc, 1); |
324 | atrf_tx(dsc, msg, strlen(msg)); |
325 | atrf_rx_mode(dsc, 0); |
326 | } |
327 | |
328 | |
329 | /* ----- PER test ---------------------------------------------------------- */ |
330 | |
331 | |
332 | static void transmit_pattern(struct atrf_dsc *dsc, double pause_s, int times) |
333 | { |
334 | uint8_t buf[MAX_PSDU]; |
335 | uint8_t n = 0; |
336 | int us = fmod(pause_s, 1)*1000000; |
337 | |
338 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_PLL_ON); |
339 | /* |
340 | * 180 us, according to AVR2001 section 4.3. We time out after |
341 | * nominally 200 us. |
342 | */ |
343 | wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 1); |
344 | |
345 | while (run) { |
346 | memset(buf, n, sizeof(buf)); |
347 | atrf_buf_write(dsc, buf, sizeof(buf)); |
348 | |
349 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TX_START); |
350 | |
351 | /* wait up to 10 ms (nominally) */ |
352 | wait_for_interrupt(dsc, IRQ_TRX_END, |
353 | IRQ_TRX_END | IRQ_PLL_LOCK, 10); |
354 | |
355 | if (pause_s >= 1) |
356 | sleep(pause_s); |
357 | if (us) |
358 | usleep(us); |
359 | |
360 | if (times && !--times) |
361 | break; |
362 | n++; |
363 | } |
364 | } |
365 | |
366 | |
367 | /* ----- Ping -------------------------------------------------------------- */ |
368 | |
369 | |
370 | static void ping_tx(struct atrf_dsc *dsc, const struct ping *pck) |
371 | { |
372 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_PLL_ON); |
373 | /* |
374 | * 180 us, according to AVR2001 section 4.3. We time out after |
375 | * nominally 200 us. |
376 | */ |
377 | wait_for_interrupt(dsc, IRQ_PLL_LOCK, IRQ_PLL_LOCK, 1); |
378 | |
379 | atrf_buf_write(dsc, pck, sizeof(*pck)); |
380 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_TX_START); |
381 | |
382 | /* wait up to 10 ms (nominally) */ |
383 | wait_for_interrupt(dsc, IRQ_TRX_END, |
384 | IRQ_TRX_END | IRQ_PLL_LOCK, 10); |
385 | } |
386 | |
387 | |
388 | static enum rx_res ping_rx(struct atrf_dsc *dsc, struct ping *pck, int wait_ms) |
389 | { |
390 | uint8_t irq; |
391 | int n; |
392 | |
393 | atrf_reg_write(dsc, REG_TRX_STATE, TRX_CMD_RX_ON); |
394 | irq = wait_for_interrupt(dsc, IRQ_TRX_END, |
395 | IRQ_TRX_END | IRQ_RX_START | IRQ_PLL_LOCK, wait_ms); |
396 | if (!run) |
397 | return rx_exit; |
398 | if (!irq) |
399 | return rx_timeout; |
400 | |
401 | n = atrf_buf_read(dsc, pck, sizeof(*pck)); |
402 | if (n < 0) |
403 | exit(1); |
404 | if (n != sizeof(*pck)) { |
405 | fprintf(stderr, "%d bytes received\n", n); |
406 | return rx_bad; |
407 | } |
408 | return atrf_reg_read(dsc, REG_PHY_RSSI) & RX_CRC_VALID ? |
409 | rx_good : rx_bad; |
410 | } |
411 | |
412 | |
413 | static void ping(struct atrf_dsc *dsc, double max_wait_s, int master) |
414 | { |
415 | static int first = 1; |
416 | struct ping tx_pck = { |
417 | .seq = 0, |
418 | .ack = 0, |
419 | }; |
420 | struct ping rx_pck; |
421 | enum rx_res res; |
422 | |
423 | while (run) { |
424 | tx_pck.seq++; |
425 | if (master || !first) { |
426 | ping_tx(dsc, &tx_pck); |
427 | if (!run) |
428 | break; |
429 | } |
430 | first = 0; |
431 | res = ping_rx(dsc, &rx_pck, master ? max_wait_s*1000 : 0); |
432 | switch (res) { |
433 | case rx_good: |
434 | tx_pck.ack = rx_pck.seq; |
435 | if (tx_pck.seq == rx_pck.ack) |
436 | write(2, ".", 1); |
437 | else |
438 | write(2, "*", 1); |
439 | break; |
440 | case rx_bad: |
441 | write(2, "-", 1); |
442 | break; |
443 | case rx_timeout: |
444 | write(2, "+", 1); |
445 | break; |
446 | case rx_exit: |
447 | return; |
448 | default: |
449 | abort(); |
450 | } |
451 | } |
452 | } |
453 | |
454 | |
455 | /* ----- Continuous wave test ---------------------------------------------- */ |
456 | |
457 | |
458 | static int test_mode(struct atrf_dsc *dsc, uint8_t cont_tx, const char *cmd) |
459 | { |
460 | int status = 0; |
461 | |
462 | cw_test_begin(dsc, cont_tx); |
463 | |
464 | if (cmd) |
465 | status = system(cmd); |
466 | else { |
467 | while (run) |
468 | sleep(1); |
469 | } |
470 | |
471 | cw_test_end(dsc); |
472 | |
473 | return status; |
474 | } |
475 | |
476 | |
477 | /* ----- Command-line processing ------------------------------------------- */ |
478 | |
479 | |
480 | static void die(int sig) |
481 | { |
482 | run = 0; |
483 | } |
484 | |
485 | |
486 | static void usage(const char *name) |
487 | { |
488 | fprintf(stderr, |
489 | "usage: %s [common_options] [message [repetitions]]\n" |
490 | " %s [common_options] -H [message]\n" |
491 | " %s [common_options] -E pause_s [repetitions]\n" |
492 | " %s [common_options] -P [max_wait_s]\n" |
493 | " %s [common_options] -T offset [command]\n\n" |
494 | " text message mode:\n" |
495 | " message message string to send (if absent, receive)\n" |
496 | " repetitions number of times the message is sent (default 1)\n\n" |
497 | " text message mode (hard MAC):\n" |
498 | " -H use hard MAC mode\n" |
499 | " message message string to send (if absent, receive)\n" |
500 | " PER test mode (transmit only):\n" |
501 | " -E pause_s seconds to pause between frames (floating-point)\n" |
502 | " repetitions number of messages to send (default: infinite)\n\n" |
503 | " Ping-pong mode:\n" |
504 | " -P exchange packets between two stations\n" |
505 | " max_wait_s generate a new packet if no response is received (master)\n\n" |
506 | " constant wave test mode (transmit only):\n" |
507 | " -T offset test mode. offset is the frequency offset of the constant\n" |
508 | " wave in MHz: -2, -0.5, or +0.5\n" |
509 | " command shell command to run while transmitting (default: wait for\n" |
510 | " SIGINT instead)\n\n" |
511 | " common options: [-c channel|-f freq] [-C mhz] [-d driver[:arg]] [-o file]\n" |
512 | " [-p power] [-r rate] [-t trim]\n" |
513 | " -c channel channel number, 11 to 26 (default %d)\n" |
514 | " -C mhz output clock at 1, 2, 4, 8, or 16 MHz (default: off)\n" |
515 | " -d driver[:arg]\n" |
516 | " use the specified driver (default: %s)\n" |
517 | " -f freq frequency in MHz, 2405 to 2480 (default %d)\n" |
518 | " -o file write received data to a file in pcap format\n" |
519 | " -p power transmit power, -17.2 to 3.0 dBm (default %.1f)\n" |
520 | " -r rate data rate, 250k, 500k, 1M, or 2M (default: 250k)\n" |
521 | " -t trim trim capacitor, 0 to 15 (default %d)\n" |
522 | , name, name, name, name, name, |
523 | DEFAULT_CHANNEL, atrf_default_driver_name(), |
524 | 2405+5*(DEFAULT_CHANNEL-11), DEFAULT_POWER, |
525 | DEFAULT_TRIM); |
526 | exit(1); |
527 | } |
528 | |
529 | |
530 | static void set_mode(enum mode *mode, enum mode new) |
531 | { |
532 | if (*mode == mode_msg) { |
533 | *mode = new; |
534 | return; |
535 | } |
536 | fprintf(stderr, "multiple mode selections\n"); |
537 | exit(1); |
538 | } |
539 | |
540 | |
541 | int main(int argc, char *const *argv) |
542 | { |
543 | enum mode mode = mode_msg; |
544 | const char *driver = NULL; |
545 | int channel = DEFAULT_CHANNEL; |
546 | double power = DEFAULT_POWER; |
547 | uint8_t rate = OQPSK_DATA_RATE_250; |
548 | int trim = DEFAULT_TRIM, times = 1; |
549 | uint8_t cont_tx = 0; |
550 | double pause_s = 0; |
551 | char *end; |
552 | int c, freq; |
553 | unsigned clkm = 0; |
554 | int status = 0; |
555 | const char *pcap_file = NULL; |
556 | struct atrf_dsc *dsc; |
557 | |
558 | while ((c = getopt(argc, argv, "c:C:d:f:Ho:p:r:E:Pt:T:")) != EOF) |
559 | switch (c) { |
560 | case 'c': |
561 | channel = strtoul(optarg, &end, 0); |
562 | if (*end) |
563 | usage(*argv); |
564 | if (channel < 11 || channel > 26) |
565 | usage(*argv); |
566 | break; |
567 | case 'd': |
568 | driver = optarg; |
569 | break; |
570 | case 'f': |
571 | freq = strtoul(optarg, &end, 0); |
572 | if (*end) |
573 | usage(*argv); |
574 | if (freq % 5) |
575 | usage(*argv); |
576 | channel = (freq-2405)/5+11; |
577 | if (channel < 11 || channel > 26) |
578 | usage(*argv); |
579 | break; |
580 | case 'H': |
581 | set_mode(&mode, mode_hmac); |
582 | break; |
583 | case 'o': |
584 | pcap_file = optarg; |
585 | break; |
586 | case 'p': |
587 | power = strtod(optarg, &end); |
588 | if (*end) |
589 | usage(*argv); |
590 | break; |
591 | case 'r': |
592 | if (!strcmp(optarg, "250k")) |
593 | rate = OQPSK_DATA_RATE_250; |
594 | else if (!strcmp(optarg, "500k")) |
595 | rate = OQPSK_DATA_RATE_500; |
596 | else if (!strcmp(optarg, "1M")) |
597 | rate = OQPSK_DATA_RATE_1000; |
598 | else if (!strcmp(optarg, "2M")) |
599 | rate = OQPSK_DATA_RATE_2000; |
600 | else |
601 | usage(*argv); |
602 | break; |
603 | case 't': |
604 | trim = strtoul(optarg, &end, 0); |
605 | if (*end) |
606 | usage(*argv); |
607 | if (trim > 15) |
608 | usage(*argv); |
609 | break; |
610 | case 'C': |
611 | clkm = strtol(optarg, &end, 0); |
612 | if (*end) |
613 | usage(*argv); |
614 | if (!clkm) |
615 | usage(*argv); |
616 | break; |
617 | case 'E': |
618 | set_mode(&mode, mode_per); |
619 | pause_s = strtof(optarg, &end); |
620 | if (*end) |
621 | usage(*argv); |
622 | break; |
623 | case 'P': |
624 | set_mode(&mode, mode_ping); |
625 | break; |
626 | case 'T': |
627 | set_mode(&mode, mode_cont_tx); |
628 | if (!strcmp(optarg, "-2")) |
629 | cont_tx = CONT_TX_M2M; |
630 | else if (!strcmp(optarg, "-0.5")) |
631 | cont_tx = CONT_TX_M500K; |
632 | else if (!strcmp(optarg, "+0.5")) |
633 | cont_tx = CONT_TX_P500K; |
634 | else |
635 | usage(*argv); |
636 | break; |
637 | default: |
638 | usage(*argv); |
639 | } |
640 | |
641 | signal(SIGINT, die); |
642 | |
643 | switch (argc-optind) { |
644 | case 0: |
645 | dsc = init_txrx(driver, trim, clkm); |
646 | set_channel(dsc, channel); |
647 | set_rate(dsc, rate); |
648 | switch (mode) { |
649 | case mode_msg: |
650 | receive(dsc, pcap_file); |
651 | break; |
652 | case mode_hmac: |
653 | receive_hmac(dsc); |
654 | break; |
655 | case mode_per: |
656 | set_power_dBm(dsc, power, 0); |
657 | transmit_pattern(dsc, pause_s, 0); |
658 | break; |
659 | case mode_ping: |
660 | set_power_dBm(dsc, power, 1); |
661 | ping(dsc, pause_s, 0); |
662 | break; |
663 | case mode_cont_tx: |
664 | set_power_dBm(dsc, power, 0); |
665 | status = test_mode(dsc, cont_tx, NULL); |
666 | break; |
667 | default: |
668 | abort(); |
669 | } |
670 | break; |
671 | case 2: |
672 | switch (mode) { |
673 | case mode_msg: |
674 | case mode_hmac: |
675 | break; |
676 | case mode_per: |
677 | case mode_ping: |
678 | /* fall through */ |
679 | case mode_cont_tx: |
680 | usage(*argv); |
681 | default: |
682 | abort(); |
683 | } |
684 | times = strtoul(argv[optind+1], &end, 0); |
685 | if (*end) |
686 | usage(*argv); |
687 | /* fall through */ |
688 | case 1: |
689 | dsc = init_txrx(driver, trim, clkm); |
690 | set_channel(dsc, channel); |
691 | set_rate(dsc, rate); |
692 | switch (mode) { |
693 | case mode_msg: |
694 | set_power_dBm(dsc, power, 1); |
695 | transmit(dsc, argv[optind], times); |
696 | break; |
697 | case mode_hmac: |
698 | set_power_dBm(dsc, power, 1); |
699 | transmit_hmac(dsc, argv[optind]); |
700 | break; |
701 | case mode_per: |
702 | times = strtoul(argv[optind], &end, 0); |
703 | if (*end) |
704 | usage(*argv); |
705 | set_power_dBm(dsc, power, 0); |
706 | transmit_pattern(dsc, pause_s, times); |
707 | break; |
708 | case mode_ping: |
709 | pause_s = strtof(argv[optind], &end); |
710 | if (*end) |
711 | usage(*argv); |
712 | set_power_dBm(dsc, power, 1); |
713 | ping(dsc, pause_s, 1); |
714 | break; |
715 | case mode_cont_tx: |
716 | set_power_dBm(dsc, power, 0); |
717 | status = test_mode(dsc, cont_tx, argv[optind]); |
718 | break; |
719 | default: |
720 | abort(); |
721 | |
722 | } |
723 | break; |
724 | default: |
725 | usage(*argv); |
726 | } |
727 | |
728 | atrf_close(dsc); |
729 | |
730 | if (status) { |
731 | if (WIFEXITED(status)) |
732 | return WEXITSTATUS(status); |
733 | if (WIFSIGNALED(status)) |
734 | raise(WTERMSIG(status)); |
735 | fprintf(stderr, "unexpected exit status %d\n", status); |
736 | abort(); |
737 | } |
738 | return 0; |
739 | } |
740 |