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Makefile.am: Fix typo in 'ChangeLog' target.
[sigrok-cli.git] / sigrok-cli.c
blobc7c376453abb08bcc521b19a723adc0bef2b5dc8
1 /*
2 * This file is part of the sigrok project.
3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <string.h>
25 #include <time.h>
26 #include <sys/time.h>
27 #include <inttypes.h>
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #include <errno.h>
31 #include <glib.h>
32 #include <glib/gstdio.h>
33 #include <libsigrok/libsigrok.h>
34 #include "sigrok-cli.h"
35 #include "config.h"
36
37 #define DEFAULT_OUTPUT_FORMAT "bits:width=64"
38
39 static struct sr_context *sr_ctx = NULL;
40
41 static uint64_t limit_samples = 0;
42 static uint64_t limit_frames = 0;
43 static struct sr_output_format *output_format = NULL;
44 static int default_output_format = FALSE;
45 static char *output_format_param = NULL;
46 static GHashTable *pd_ann_visible = NULL;
47 static GByteArray *savebuf;
48
49 static gboolean opt_version = FALSE;
50 static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
51 static gboolean opt_list_devs = FALSE;
52 static gboolean opt_wait_trigger = FALSE;
53 static gchar *opt_input_file = NULL;
54 static gchar *opt_output_file = NULL;
55 static gchar *opt_drv = NULL;
56 static gchar *opt_dev = NULL;
57 static gchar *opt_probes = NULL;
58 static gchar *opt_triggers = NULL;
59 static gchar *opt_pds = NULL;
60 static gchar *opt_pd_stack = NULL;
61 static gchar *opt_pd_annotations = NULL;
62 static gchar *opt_input_format = NULL;
63 static gchar *opt_output_format = NULL;
64 static gchar *opt_show = NULL;
65 static gchar *opt_time = NULL;
66 static gchar *opt_samples = NULL;
67 static gchar *opt_frames = NULL;
68 static gchar *opt_continuous = NULL;
69
70 static GOptionEntry optargs[] = {
71 {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
72 "Show version and support list", NULL},
73 {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
74 "Set libsigrok/libsigrokdecode loglevel", NULL},
75 {"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devs,
76 "Scan for devices", NULL},
77 {"driver", 0, 0, G_OPTION_ARG_STRING, &opt_drv,
78 "Use only this driver", NULL},
79 {"device", 'd', 0, G_OPTION_ARG_STRING, &opt_dev,
80 "Use specified device", NULL},
81 {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
82 "Load input from file", NULL},
83 {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
84 "Input format", NULL},
85 {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
86 "Save output to file", NULL},
87 {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
88 "Output format", NULL},
89 {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
90 "Probes to use", NULL},
91 {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
92 "Trigger configuration", NULL},
93 {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
94 "Wait for trigger", NULL},
95 {"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds,
96 "Protocol decoders to run", NULL},
97 {"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
98 "Protocol decoder stack", NULL},
99 {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
100 "Protocol decoder annotation(s) to show", NULL},
101 {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
102 "Show device detail", NULL},
103 {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
104 "How long to sample (ms)", NULL},
105 {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
106 "Number of samples to acquire", NULL},
107 {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
108 "Number of frames to acquire", NULL},
109 {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
110 "Sample continuously", NULL},
111 {NULL, 0, 0, 0, NULL, NULL, NULL}
112 };
113
114
115 /* Convert driver options hash to GSList of struct sr_hwopt. */
116 static GSList *hash_to_hwopt(GHashTable *hash)
117 {
118 const struct sr_hwcap_option *hwo;
119 struct sr_hwopt *hwopt;
120 GList *gl, *keys;
121 GSList *opts;
122 char *key, *value;
123
124 keys = g_hash_table_get_keys(hash);
125 opts = NULL;
126 for (gl = keys; gl; gl = gl->next) {
127 key = gl->data;
128 if (!(hwo = sr_drvopt_name_get(key))) {
129 g_critical("Unknown option %s", key);
130 return NULL;
131 }
132 hwopt = g_try_malloc(sizeof(struct sr_hwopt));
133 hwopt->hwopt = hwo->hwcap;
134 value = g_hash_table_lookup(hash, key);
135 hwopt->value = g_strdup(value);
136 opts = g_slist_append(opts, hwopt);
137 }
138 g_list_free(keys);
139
140 return opts;
141 }
142
143 static void free_hwopt(struct sr_hwopt *hwopt)
144 {
145 g_free((void *)hwopt->value);
146 g_free(hwopt);
147 }
148
149 static GSList *device_scan(void)
150 {
151 struct sr_dev_driver **drivers, *driver;
152 GHashTable *drvargs;
153 GSList *drvopts, *devices, *tmpdevs, *l;
154 int i;
155 char *drvname;
156
157 if (opt_drv) {
158 drvargs = parse_generic_arg(opt_drv, TRUE);
159 drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
160 g_hash_table_remove(drvargs, "sigrok_key");
161 driver = NULL;
162 drivers = sr_driver_list();
163 for (i = 0; drivers[i]; i++) {
164 if (strcmp(drivers[i]->name, drvname))
165 continue;
166 driver = drivers[i];
167 }
168 if (!driver) {
169 g_critical("Driver %s not found.", drvname);
170 return NULL;
171 }
172 g_free(drvname);
173 if (sr_driver_init(sr_ctx, driver) != SR_OK) {
174 g_critical("Failed to initialize driver.");
175 return NULL;
176 }
177 drvopts = NULL;
178 if (g_hash_table_size(drvargs) > 0)
179 if (!(drvopts = hash_to_hwopt(drvargs)))
180 /* Unknown options, already logged. */
181 return NULL;
182 devices = sr_driver_scan(driver, drvopts);
183 g_slist_free_full(drvopts, (GDestroyNotify)free_hwopt);
184 } else {
185 /* No driver specified, let them all scan on their own. */
186 devices = NULL;
187 drivers = sr_driver_list();
188 for (i = 0; drivers[i]; i++) {
189 driver = drivers[i];
190 if (sr_driver_init(sr_ctx, driver) != SR_OK) {
191 g_critical("Failed to initialize driver.");
192 return NULL;
193 }
194 tmpdevs = sr_driver_scan(driver, NULL);
195 for (l = tmpdevs; l; l = l->next)
196 devices = g_slist_append(devices, l->data);
197 g_slist_free(tmpdevs);
198 }
199 }
200
201 return devices;
202 }
203
204 static void show_version(void)
205 {
206 const GSList *l;
207 struct sr_dev_driver **drivers;
208 struct sr_input_format **inputs;
209 struct sr_output_format **outputs;
210 struct srd_decoder *dec;
211 int i;
212
213 printf("sigrok-cli %s\n\n", VERSION);
214
215 printf("Using libsigrok %s (lib version %s).\n",
216 sr_package_version_string_get(), sr_lib_version_string_get());
217 printf("Using libsigrokdecode %s (lib version %s).\n\n",
218 srd_package_version_string_get(), srd_lib_version_string_get());
219
220 printf("Supported hardware drivers:\n");
221 drivers = sr_driver_list();
222 for (i = 0; drivers[i]; i++) {
223 printf(" %-20s %s\n", drivers[i]->name, drivers[i]->longname);
224 }
225 printf("\n");
226
227 printf("Supported input formats:\n");
228 inputs = sr_input_list();
229 for (i = 0; inputs[i]; i++)
230 printf(" %-20s %s\n", inputs[i]->id, inputs[i]->description);
231 printf("\n");
232
233 printf("Supported output formats:\n");
234 outputs = sr_output_list();
235 for (i = 0; outputs[i]; i++)
236 printf(" %-20s %s\n", outputs[i]->id, outputs[i]->description);
237 printf("\n");
238
239 if (srd_init(NULL) == SRD_OK) {
240 printf("Supported protocol decoders:\n");
241 srd_decoder_load_all();
242 for (l = srd_decoder_list(); l; l = l->next) {
243 dec = l->data;
244 printf(" %-20s %s\n", dec->id, dec->longname);
245 /* Print protocol description upon "-l 3" or higher. */
246 if (opt_loglevel >= SR_LOG_INFO)
247 printf(" %-20s %s\n", "", dec->desc);
248 }
249 srd_exit();
250 }
251 printf("\n");
252 }
253
254 static void print_dev_line(const struct sr_dev_inst *sdi)
255 {
256 struct sr_probe *probe;
257 GSList *l;
258
259 if (sdi->vendor && sdi->vendor[0])
260 printf("%s ", sdi->vendor);
261 if (sdi->model && sdi->model[0])
262 printf("%s ", sdi->model);
263 if (sdi->version && sdi->version[0])
264 printf("%s ", sdi->version);
265 if (sdi->probes) {
266 if (g_slist_length(sdi->probes) == 1) {
267 probe = sdi->probes->data;
268 printf("with 1 probe: %s", probe->name);
269 } else {
270 printf("with %d probes:", g_slist_length(sdi->probes));
271 for (l = sdi->probes; l; l = l->next) {
272 probe = l->data;
273 printf(" %s", probe->name);
274 }
275 }
276 }
277 printf("\n");
278 }
279
280 static void show_dev_list(void)
281 {
282 struct sr_dev_inst *sdi;
283 GSList *devices, *l;
284
285 if (!(devices = device_scan()))
286 return;
287
288 printf("The following devices were found:\n");
289 for (l = devices; l; l = l->next) {
290 sdi = l->data;
291 print_dev_line(sdi);
292 }
293 g_slist_free(devices);
294
295 }
296
297 static void show_dev_detail(void)
298 {
299 struct sr_dev_inst *sdi;
300 const struct sr_hwcap_option *hwo;
301 const struct sr_samplerates *samplerates;
302 struct sr_rational *rationals;
303 GSList *devices;
304 uint64_t *integers;
305 const int *hwopts, *hwcaps;
306 int cap, num_devices, n, i;
307 char *s, *title;
308 const char *charopts, **stropts;
309
310 if (!(devices = device_scan())) {
311 g_critical("No devices found.");
312 return;
313 }
314
315 num_devices = g_slist_length(devices);
316 if (num_devices > 1) {
317 if (!opt_dev) {
318 g_critical("%d devices found. Use --list-devices to show them, "
319 "and --device to select one.", num_devices);
320 return;
321 }
322 /* opt_dev is NULL if not specified, which is fine. */
323 n = strtol(opt_dev, NULL, 10);
324 if (n >= num_devices) {
325 g_critical("%d devices found, numbered starting from 0.",
326 num_devices);
327 return;
328 }
329 sdi = g_slist_nth_data(devices, n);
330 } else
331 sdi = g_slist_nth_data(devices, 0);
332
333 print_dev_line(sdi);
334
335 if (sr_info_get(sdi->driver, SR_DI_TRIGGER_TYPES, (const void **)&charopts,
336 sdi) == SR_OK && charopts) {
337 printf("Supported triggers: ");
338 while (*charopts) {
339 printf("%c ", *charopts);
340 charopts++;
341 }
342 printf("\n");
343 }
344
345 if ((sr_info_get(sdi->driver, SR_DI_HWOPTS, (const void **)&hwopts,
346 NULL) == SR_OK) && hwopts) {
347 printf("Supported driver options:\n");
348 for (i = 0; hwopts[i]; i++) {
349 if (!(hwo = sr_drvopt_get(hwopts[i])))
350 continue;
351 printf(" %s\n", hwo->shortname);
352 }
353 }
354
355 title = "Supported device options:\n";
356 if ((sr_info_get(sdi->driver, SR_DI_HWCAPS, (const void **)&hwcaps,
357 NULL) != SR_OK) || !hwcaps)
358 /* Driver supports no device instance options. */
359 return;
360
361 for (cap = 0; hwcaps[cap]; cap++) {
362 if (!(hwo = sr_devopt_get(hwcaps[cap])))
363 continue;
364
365 if (title) {
366 printf("%s", title);
367 title = NULL;
368 }
369
370 if (hwo->hwcap == SR_HWCAP_PATTERN_MODE) {
371 /* Pattern generator modes */
372 printf(" %s", hwo->shortname);
373 if (sr_info_get(sdi->driver, SR_DI_PATTERNS,
374 (const void **)&stropts, sdi) == SR_OK) {
375 printf(" - supported patterns:\n");
376 for (i = 0; stropts[i]; i++)
377 printf(" %s\n", stropts[i]);
378 } else {
379 printf("\n");
380 }
381
382 } else if (hwo->hwcap == SR_HWCAP_SAMPLERATE) {
383 /* Supported samplerates */
384 printf(" %s", hwo->shortname);
385 if (sr_info_get(sdi->driver, SR_DI_SAMPLERATES,
386 (const void **)&samplerates, sdi) != SR_OK) {
387 printf("\n");
388 continue;
389 }
390 if (samplerates->step) {
391 /* low */
392 if (!(s = sr_samplerate_string(samplerates->low)))
393 continue;
394 printf(" (%s", s);
395 g_free(s);
396 /* high */
397 if (!(s = sr_samplerate_string(samplerates->high)))
398 continue;
399 printf(" - %s", s);
400 g_free(s);
401 /* step */
402 if (!(s = sr_samplerate_string(samplerates->step)))
403 continue;
404 printf(" in steps of %s)\n", s);
405 g_free(s);
406 } else {
407 printf(" - supported samplerates:\n");
408 for (i = 0; samplerates->list[i]; i++)
409 printf(" %s\n", sr_samplerate_string(samplerates->list[i]));
410 }
411
412 } else if (hwo->hwcap == SR_HWCAP_BUFFERSIZE) {
413 /* Supported buffer sizes */
414 printf(" %s", hwo->shortname);
415 if (sr_info_get(sdi->driver, SR_DI_BUFFERSIZES,
416 (const void **)&integers, sdi) != SR_OK) {
417 printf("\n");
418 continue;
419 }
420 printf(" - supported buffer sizes:\n");
421 for (i = 0; integers[i]; i++)
422 printf(" %"PRIu64"\n", integers[i]);
423
424 } else if (hwo->hwcap == SR_HWCAP_TIMEBASE) {
425 /* Supported time bases */
426 printf(" %s", hwo->shortname);
427 if (sr_info_get(sdi->driver, SR_DI_TIMEBASES,
428 (const void **)&rationals, sdi) != SR_OK) {
429 printf("\n");
430 continue;
431 }
432 printf(" - supported time bases:\n");
433 for (i = 0; rationals[i].p && rationals[i].q; i++)
434 printf(" %s\n", sr_period_string(
435 rationals[i].p * rationals[i].q));
436
437 } else if (hwo->hwcap == SR_HWCAP_TRIGGER_SOURCE) {
438 /* Supported trigger sources */
439 printf(" %s", hwo->shortname);
440 if (sr_info_get(sdi->driver, SR_DI_TRIGGER_SOURCES,
441 (const void **)&stropts, sdi) != SR_OK) {
442 printf("\n");
443 continue;
444 }
445 printf(" - supported trigger sources:\n");
446 for (i = 0; stropts[i]; i++)
447 printf(" %s\n", stropts[i]);
448
449 } else if (hwo->hwcap == SR_HWCAP_FILTER) {
450 /* Supported filters */
451 printf(" %s", hwo->shortname);
452 if (sr_info_get(sdi->driver, SR_DI_FILTERS,
453 (const void **)&stropts, sdi) != SR_OK) {
454 printf("\n");
455 continue;
456 }
457 printf(" - supported filter targets:\n");
458 for (i = 0; stropts[i]; i++)
459 printf(" %s\n", stropts[i]);
460
461 } else if (hwo->hwcap == SR_HWCAP_VDIV) {
462 /* Supported volts/div values */
463 printf(" %s", hwo->shortname);
464 if (sr_info_get(sdi->driver, SR_DI_VDIVS,
465 (const void **)&rationals, sdi) != SR_OK) {
466 printf("\n");
467 continue;
468 }
469 printf(" - supported volts/div:\n");
470 for (i = 0; rationals[i].p && rationals[i].q; i++)
471 printf(" %s\n", sr_voltage_string( &rationals[i]));
472
473 } else if (hwo->hwcap == SR_HWCAP_COUPLING) {
474 /* Supported coupling settings */
475 printf(" %s", hwo->shortname);
476 if (sr_info_get(sdi->driver, SR_DI_COUPLING,
477 (const void **)&stropts, sdi) != SR_OK) {
478 printf("\n");
479 continue;
480 }
481 printf(" - supported coupling options:\n");
482 for (i = 0; stropts[i]; i++)
483 printf(" %s\n", stropts[i]);
484
485 } else {
486 /* Everything else */
487 printf(" %s\n", hwo->shortname);
488 }
489 }
490
491 }
492
493 static void show_pd_detail(void)
494 {
495 GSList *l;
496 struct srd_decoder *dec;
497 char **pdtokens, **pdtok, **ann, *doc;
498 struct srd_probe *p;
499
500 pdtokens = g_strsplit(opt_pds, ",", -1);
501 for (pdtok = pdtokens; *pdtok; pdtok++) {
502 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
503 g_critical("Protocol decoder %s not found.", *pdtok);
504 return;
505 }
506 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
507 dec->id, dec->name, dec->longname, dec->desc);
508 printf("License: %s\n", dec->license);
509 printf("Annotations:\n");
510 if (dec->annotations) {
511 for (l = dec->annotations; l; l = l->next) {
512 ann = l->data;
513 printf("- %s\n %s\n", ann[0], ann[1]);
514 }
515 } else {
516 printf("None.\n");
517 }
518 /* TODO: Print supported decoder options. */
519 printf("Required probes:\n");
520 if (dec->probes) {
521 for (l = dec->probes; l; l = l->next) {
522 p = l->data;
523 printf("- %s (%s): %s\n",
524 p->name, p->id, p->desc);
525 }
526 } else {
527 printf("None.\n");
528 }
529 printf("Optional probes:\n");
530 if (dec->opt_probes) {
531 for (l = dec->opt_probes; l; l = l->next) {
532 p = l->data;
533 printf("- %s (%s): %s\n",
534 p->name, p->id, p->desc);
535 }
536 } else {
537 printf("None.\n");
538 }
539 if ((doc = srd_decoder_doc_get(dec))) {
540 printf("Documentation:\n%s\n",
541 doc[0] == '\n' ? doc + 1 : doc);
542 g_free(doc);
543 }
544 }
545
546 g_strfreev(pdtokens);
547 }
548
549 static GArray *get_enabled_logic_probes(const struct sr_dev_inst *sdi)
550 {
551 struct sr_probe *probe;
552 GArray *probes;
553 GSList *l;
554
555 probes = g_array_new(FALSE, FALSE, sizeof(int));
556 for (l = sdi->probes; l; l = l->next) {
557 probe = l->data;
558 if (probe->type != SR_PROBE_LOGIC)
559 continue;
560 if (probe->enabled != TRUE)
561 continue;
562 g_array_append_val(probes, probe->index);
563 }
564
565 return probes;
566 }
567
568 static void datafeed_in(const struct sr_dev_inst *sdi,
569 const struct sr_datafeed_packet *packet)
570 {
571 const struct sr_datafeed_logic *logic;
572 const struct sr_datafeed_analog *analog;
573 static struct sr_output *o = NULL;
574 static GArray *logic_probelist = NULL;
575 static uint64_t received_samples = 0;
576 static int unitsize = 0;
577 static int triggered = 0;
578 static FILE *outfile = NULL;
579 int sample_size, ret;
580 uint64_t *samplerate, output_len, filter_out_len;
581 uint8_t *output_buf, *filter_out;
582 GString *out;
583
584 /* If the first packet to come in isn't a header, don't even try. */
585 if (packet->type != SR_DF_HEADER && o == NULL)
586 return;
587
588 sample_size = -1;
589 switch (packet->type) {
590 case SR_DF_HEADER:
591 g_debug("cli: Received SR_DF_HEADER");
592 /* Initialize the output module. */
593 if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
594 g_critical("Output module malloc failed.");
595 exit(1);
596 }
597 o->format = output_format;
598 o->sdi = (struct sr_dev_inst *)sdi;
599 o->param = output_format_param;
600 if (o->format->init) {
601 if (o->format->init(o) != SR_OK) {
602 g_critical("Output format initialization failed.");
603 exit(1);
604 }
605 }
606
607 /* Prepare non-stdout output. */
608 outfile = stdout;
609 if (opt_output_file) {
610 if (default_output_format) {
611 /* output file is in session format, so we'll
612 * keep a copy of everything as it comes in
613 * and save from there after the session. */
614 outfile = NULL;
615 savebuf = g_byte_array_new();
616 } else {
617 /* saving to a file in whatever format was set
618 * with --format, so all we need is a filehandle */
619 outfile = g_fopen(opt_output_file, "wb");
620 }
621 }
622
623 /* Prepare for logic data. */
624 logic_probelist = get_enabled_logic_probes(sdi);
625 /* How many bytes we need to store the packed samples. */
626 unitsize = (logic_probelist->len + 7) / 8;
627
628 if (opt_pds && logic_probelist->len) {
629 if (sr_info_get(sdi->driver, SR_DI_CUR_SAMPLERATE,
630 (const void **)&samplerate, sdi) != SR_OK) {
631 g_critical("Unable to initialize protocol "
632 "decoders: no samplerate found.");
633 break;
634 }
635 srd_session_start(logic_probelist->len, unitsize,
636 *samplerate);
637 }
638 break;
639
640 case SR_DF_END:
641 g_debug("cli: Received SR_DF_END");
642 if (!o) {
643 g_debug("cli: double end!");
644 break;
645 }
646 if (o->format->event) {
647 o->format->event(o, SR_DF_END, &output_buf, &output_len);
648 if (output_buf) {
649 if (outfile)
650 fwrite(output_buf, 1, output_len, outfile);
651 g_free(output_buf);
652 output_len = 0;
653 }
654 }
655 if (limit_samples && received_samples < limit_samples)
656 g_warning("Device only sent %" PRIu64 " samples.",
657 received_samples);
658 if (opt_continuous)
659 g_warning("Device stopped after %" PRIu64 " samples.",
660 received_samples);
661
662 if (outfile && outfile != stdout)
663 fclose(outfile);
664
665 if (opt_output_file && default_output_format) {
666 if (sr_session_save(opt_output_file, sdi, savebuf->data,
667 unitsize, savebuf->len / unitsize) != SR_OK)
668 g_critical("Failed to save session.");
669 g_byte_array_free(savebuf, FALSE);
670 }
671
672 g_array_free(logic_probelist, TRUE);
673 if (o->format->cleanup)
674 o->format->cleanup(o);
675 g_free(o);
676 o = NULL;
677 break;
678
679 case SR_DF_TRIGGER:
680 g_debug("cli: received SR_DF_TRIGGER");
681 if (o->format->event)
682 o->format->event(o, SR_DF_TRIGGER, &output_buf,
683 &output_len);
684 triggered = 1;
685 break;
686
687 case SR_DF_LOGIC:
688 logic = packet->payload;
689 g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
690 sample_size = logic->unitsize;
691 if (logic->length == 0)
692 break;
693
694 /* Don't store any samples until triggered. */
695 if (opt_wait_trigger && !triggered)
696 break;
697
698 if (limit_samples && received_samples >= limit_samples)
699 break;
700
701 ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
702 logic->data, logic->length,
703 &filter_out, &filter_out_len);
704 if (ret != SR_OK)
705 break;
706
707 /* What comes out of the filter is guaranteed to be packed into the
708 * minimum size needed to support the number of samples at this sample
709 * size. however, the driver may have submitted too much -- cut off
710 * the buffer of the last packet according to the sample limit.
711 */
712 if (limit_samples && (received_samples + logic->length / sample_size >
713 limit_samples * sample_size))
714 filter_out_len = limit_samples * sample_size - received_samples;
715
716 if (opt_output_file && default_output_format) {
717 /* Saving to a session file. */
718 g_byte_array_append(savebuf, filter_out, filter_out_len);
719 } else {
720 if (opt_pds) {
721 if (srd_session_send(received_samples, (uint8_t*)filter_out,
722 filter_out_len) != SRD_OK)
723 sr_session_stop();
724 } else {
725 output_len = 0;
726 if (o->format->data && packet->type == o->format->df_type)
727 o->format->data(o, filter_out, filter_out_len,
728 &output_buf, &output_len);
729 if (output_buf) {
730 fwrite(output_buf, 1, output_len, outfile);
731 fflush(outfile);
732 g_free(output_buf);
733 }
734 }
735 }
736 g_free(filter_out);
737
738 received_samples += logic->length / sample_size;
739 break;
740
741 case SR_DF_ANALOG:
742 analog = packet->payload;
743 g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
744 if (analog->num_samples == 0)
745 break;
746
747 if (limit_samples && received_samples >= limit_samples)
748 break;
749
750 if (o->format->data && packet->type == o->format->df_type) {
751 o->format->data(o, (const uint8_t *)analog->data,
752 analog->num_samples * sizeof(float),
753 &output_buf, &output_len);
754 if (output_buf) {
755 fwrite(output_buf, 1, output_len, outfile);
756 fflush(outfile);
757 g_free(output_buf);
758 }
759 }
760
761 received_samples += analog->num_samples;
762 break;
763
764 case SR_DF_FRAME_BEGIN:
765 g_debug("cli: received SR_DF_FRAME_BEGIN");
766 if (o->format->event) {
767 o->format->event(o, SR_DF_FRAME_BEGIN, &output_buf,
768 &output_len);
769 if (output_buf) {
770 fwrite(output_buf, 1, output_len, outfile);
771 fflush(outfile);
772 g_free(output_buf);
773 }
774 }
775 break;
776
777 case SR_DF_FRAME_END:
778 g_debug("cli: received SR_DF_FRAME_END");
779 if (o->format->event) {
780 o->format->event(o, SR_DF_FRAME_END, &output_buf,
781 &output_len);
782 if (output_buf) {
783 fwrite(output_buf, 1, output_len, outfile);
784 fflush(outfile);
785 g_free(output_buf);
786 }
787 }
788 break;
789
790 default:
791 break;
792 }
793
794 if (o && o->format->recv) {
795 out = o->format->recv(o, sdi, packet);
796 if (out && out->len) {
797 fwrite(out->str, 1, out->len, outfile);
798 fflush(outfile);
799 }
800 }
801
802 }
803
804 /* Register the given PDs for this session.
805 * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
806 * That will instantiate two SPI decoders on the clock but different data
807 * lines.
808 */
809 static int register_pds(struct sr_dev *dev, const char *pdstring)
810 {
811 GHashTable *pd_opthash;
812 struct srd_decoder_inst *di;
813 int ret;
814 char **pdtokens, **pdtok, *pd_name;
815
816 (void)dev;
817
818 ret = 0;
819 pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
820 g_free, NULL);
821 pd_name = NULL;
822 pd_opthash = NULL;
823 pdtokens = g_strsplit(pdstring, ",", 0);
824 for (pdtok = pdtokens; *pdtok; pdtok++) {
825 if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
826 g_critical("Invalid protocol decoder option '%s'.", *pdtok);
827 goto err_out;
828 }
829
830 pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
831 g_hash_table_remove(pd_opthash, "sigrok_key");
832 if (srd_decoder_load(pd_name) != SRD_OK) {
833 g_critical("Failed to load protocol decoder %s.", pd_name);
834 ret = 1;
835 goto err_out;
836 }
837 if (!(di = srd_inst_new(pd_name, pd_opthash))) {
838 g_critical("Failed to instantiate protocol decoder %s.", pd_name);
839 ret = 1;
840 goto err_out;
841 }
842
843 /* If no annotation list was specified, add them all in now.
844 * This will be pared down later to leave only the last PD
845 * in the stack.
846 */
847 if (!opt_pd_annotations)
848 g_hash_table_insert(pd_ann_visible,
849 g_strdup(di->inst_id), NULL);
850
851 /* Any keys left in the options hash are probes, where the key
852 * is the probe name as specified in the decoder class, and the
853 * value is the probe number i.e. the order in which the PD's
854 * incoming samples are arranged. */
855 if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
856 ret = 1;
857 goto err_out;
858 }
859 g_hash_table_destroy(pd_opthash);
860 pd_opthash = NULL;
861 }
862
863 err_out:
864 g_strfreev(pdtokens);
865 if (pd_opthash)
866 g_hash_table_destroy(pd_opthash);
867 if (pd_name)
868 g_free(pd_name);
869
870 return ret;
871 }
872
873 int setup_pd_stack(void)
874 {
875 struct srd_decoder_inst *di_from, *di_to;
876 int ret, i;
877 char **pds, **ids;
878
879 /* Set up the protocol decoder stack. */
880 pds = g_strsplit(opt_pds, ",", 0);
881 if (g_strv_length(pds) > 1) {
882 if (opt_pd_stack) {
883 /* A stack setup was specified, use that. */
884 g_strfreev(pds);
885 pds = g_strsplit(opt_pd_stack, ",", 0);
886 if (g_strv_length(pds) < 2) {
887 g_strfreev(pds);
888 g_critical("Specify at least two protocol decoders to stack.");
889 return 1;
890 }
891 }
892
893 /* First PD goes at the bottom of the stack. */
894 ids = g_strsplit(pds[0], ":", 0);
895 if (!(di_from = srd_inst_find_by_id(ids[0]))) {
896 g_strfreev(ids);
897 g_critical("Cannot stack protocol decoder '%s': "
898 "instance not found.", pds[0]);
899 return 1;
900 }
901 g_strfreev(ids);
902
903 /* Every subsequent PD goes on top. */
904 for (i = 1; pds[i]; i++) {
905 ids = g_strsplit(pds[i], ":", 0);
906 if (!(di_to = srd_inst_find_by_id(ids[0]))) {
907 g_strfreev(ids);
908 g_critical("Cannot stack protocol decoder '%s': "
909 "instance not found.", pds[i]);
910 return 1;
911 }
912 g_strfreev(ids);
913 if ((ret = srd_inst_stack(di_from, di_to)) != SRD_OK)
914 return 1;
915
916 /* Don't show annotation from this PD. Only the last PD in
917 * the stack will be left on the annotation list (unless
918 * the annotation list was specifically provided).
919 */
920 if (!opt_pd_annotations)
921 g_hash_table_remove(pd_ann_visible,
922 di_from->inst_id);
923
924 di_from = di_to;
925 }
926 }
927 g_strfreev(pds);
928
929 return 0;
930 }
931
932 int setup_pd_annotations(void)
933 {
934 GSList *l;
935 struct srd_decoder *dec;
936 int ann;
937 char **pds, **pdtok, **keyval, **ann_descr;
938
939 /* Set up custom list of PDs and annotations to show. */
940 if (opt_pd_annotations) {
941 pds = g_strsplit(opt_pd_annotations, ",", 0);
942 for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
943 ann = 0;
944 keyval = g_strsplit(*pdtok, "=", 0);
945 if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
946 g_critical("Protocol decoder '%s' not found.", keyval[0]);
947 return 1;
948 }
949 if (!dec->annotations) {
950 g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
951 return 1;
952 }
953 if (g_strv_length(keyval) == 2) {
954 for (l = dec->annotations; l; l = l->next, ann++) {
955 ann_descr = l->data;
956 if (!canon_cmp(ann_descr[0], keyval[1]))
957 /* Found it. */
958 break;
959 }
960 if (!l) {
961 g_critical("Annotation '%s' not found "
962 "for protocol decoder '%s'.", keyval[1], keyval[0]);
963 return 1;
964 }
965 }
966 g_debug("cli: showing protocol decoder annotation %d from '%s'", ann, keyval[0]);
967 g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann));
968 g_strfreev(keyval);
969 }
970 g_strfreev(pds);
971 }
972
973 return 0;
974 }
975
976 int setup_output_format(void)
977 {
978 GHashTable *fmtargs;
979 GHashTableIter iter;
980 gpointer key, value;
981 struct sr_output_format **outputs;
982 int i;
983 char *fmtspec;
984
985 if (!opt_output_format) {
986 opt_output_format = DEFAULT_OUTPUT_FORMAT;
987 /* we'll need to remember this so when saving to a file
988 * later, sigrok session format will be used.
989 */
990 default_output_format = TRUE;
991 }
992
993 fmtargs = parse_generic_arg(opt_output_format, TRUE);
994 fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
995 if (!fmtspec) {
996 g_critical("Invalid output format.");
997 return 1;
998 }
999 outputs = sr_output_list();
1000 for (i = 0; outputs[i]; i++) {
1001 if (strcmp(outputs[i]->id, fmtspec))
1002 continue;
1003 g_hash_table_remove(fmtargs, "sigrok_key");
1004 output_format = outputs[i];
1005 g_hash_table_iter_init(&iter, fmtargs);
1006 while (g_hash_table_iter_next(&iter, &key, &value)) {
1007 /* only supporting one parameter per output module
1008 * for now, and only its value */
1009 output_format_param = g_strdup(value);
1010 break;
1011 }
1012 break;
1013 }
1014 if (!output_format) {
1015 g_critical("Invalid output format %s.", opt_output_format);
1016 return 1;
1017 }
1018 g_hash_table_destroy(fmtargs);
1019
1020 return 0;
1021 }
1022
1023 void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
1024 {
1025 int i;
1026 char **annotations;
1027 gpointer ann_format;
1028
1029 /* 'cb_data' is not used in this specific callback. */
1030 (void)cb_data;
1031
1032 if (!pd_ann_visible)
1033 return;
1034
1035 if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
1036 NULL, &ann_format))
1037 /* Not in the list of PDs whose annotations we're showing. */
1038 return;
1039
1040 if (pdata->ann_format != GPOINTER_TO_INT(ann_format))
1041 /* We don't want this particular format from the PD. */
1042 return;
1043
1044 annotations = pdata->data;
1045 if (opt_loglevel > SR_LOG_WARN)
1046 printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
1047 printf("%s: ", pdata->pdo->proto_id);
1048 for (i = 0; annotations[i]; i++)
1049 printf("\"%s\" ", annotations[i]);
1050 printf("\n");
1051 fflush(stdout);
1052 }
1053
1054 static int select_probes(struct sr_dev_inst *sdi)
1055 {
1056 struct sr_probe *probe;
1057 GSList *selected_probes, *l;
1058
1059 if (!opt_probes)
1060 return SR_OK;
1061
1062 if (!(selected_probes = parse_probestring(sdi, opt_probes)))
1063 return SR_ERR;
1064
1065 for (l = sdi->probes; l; l = l->next) {
1066 probe = l->data;
1067 if (g_slist_find(selected_probes, probe))
1068 probe->enabled = TRUE;
1069 else
1070 probe->enabled = FALSE;
1071 }
1072 g_slist_free(selected_probes);
1073
1074 return SR_OK;
1075 }
1076
1077 /**
1078 * Return the input file format which the CLI tool should use.
1079 *
1080 * If the user specified -I / --input-format, use that one. Otherwise, try to
1081 * autodetect the format as good as possible. Failing that, return NULL.
1082 *
1083 * @param filename The filename of the input file. Must not be NULL.
1084 * @param opt The -I / --input-file option the user specified (or NULL).
1085 *
1086 * @return A pointer to the 'struct sr_input_format' that should be used,
1087 * or NULL if no input format was selected or auto-detected.
1088 */
1089 static struct sr_input_format *determine_input_file_format(
1090 const char *filename, const char *opt)
1091 {
1092 int i;
1093 struct sr_input_format **inputs;
1094
1095 /* If there are no input formats, return NULL right away. */
1096 inputs = sr_input_list();
1097 if (!inputs) {
1098 g_critical("No supported input formats available.");
1099 return NULL;
1100 }
1101
1102 /* If the user specified -I / --input-format, use that one. */
1103 if (opt) {
1104 for (i = 0; inputs[i]; i++) {
1105 if (strcasecmp(inputs[i]->id, opt))
1106 continue;
1107 g_debug("Using user-specified input file format '%s'.",
1108 inputs[i]->id);
1109 return inputs[i];
1110 }
1111
1112 /* The user specified an unknown input format, return NULL. */
1113 g_critical("Error: specified input file format '%s' is "
1114 "unknown.", opt);
1115 return NULL;
1116 }
1117
1118 /* Otherwise, try to find an input module that can handle this file. */
1119 for (i = 0; inputs[i]; i++) {
1120 if (inputs[i]->format_match(filename))
1121 break;
1122 }
1123
1124 /* Return NULL if no input module wanted to touch this. */
1125 if (!inputs[i]) {
1126 g_critical("Error: no matching input module found.");
1127 return NULL;
1128 }
1129
1130 g_debug("cli: Autodetected '%s' input format for file '%s'.",
1131 inputs[i]->id, filename);
1132
1133 return inputs[i];
1134 }
1135
1136 static void load_input_file_format(void)
1137 {
1138 GHashTable *fmtargs = NULL;
1139 struct stat st;
1140 struct sr_input *in;
1141 struct sr_input_format *input_format;
1142 char *fmtspec = NULL;
1143
1144 if (opt_input_format) {
1145 fmtargs = parse_generic_arg(opt_input_format, TRUE);
1146 fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
1147 }
1148
1149 if (!(input_format = determine_input_file_format(opt_input_file,
1150 fmtspec))) {
1151 /* The exact cause was already logged. */
1152 return;
1153 }
1154
1155 if (fmtargs)
1156 g_hash_table_remove(fmtargs, "sigrok_key");
1157
1158 if (stat(opt_input_file, &st) == -1) {
1159 g_critical("Failed to load %s: %s", opt_input_file,
1160 strerror(errno));
1161 exit(1);
1162 }
1163
1164 /* Initialize the input module. */
1165 if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
1166 g_critical("Failed to allocate input module.");
1167 exit(1);
1168 }
1169 in->format = input_format;
1170 in->param = fmtargs;
1171 if (in->format->init) {
1172 if (in->format->init(in) != SR_OK) {
1173 g_critical("Input format init failed.");
1174 exit(1);
1175 }
1176 }
1177
1178 if (select_probes(in->sdi) > 0)
1179 return;
1180
1181 sr_session_new();
1182 sr_session_datafeed_callback_add(datafeed_in);
1183 if (sr_session_dev_add(in->sdi) != SR_OK) {
1184 g_critical("Failed to use device.");
1185 sr_session_destroy();
1186 return;
1187 }
1188
1189 input_format->loadfile(in, opt_input_file);
1190
1191 sr_session_destroy();
1192
1193 if (fmtargs)
1194 g_hash_table_destroy(fmtargs);
1195 }
1196
1197 static void load_input_file(void)
1198 {
1199
1200 if (sr_session_load(opt_input_file) == SR_OK) {
1201 /* sigrok session file */
1202 sr_session_datafeed_callback_add(datafeed_in);
1203 sr_session_start();
1204 sr_session_run();
1205 sr_session_stop();
1206 }
1207 else {
1208 /* fall back on input modules */
1209 load_input_file_format();
1210 }
1211 }
1212
1213 static int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
1214 {
1215 const struct sr_hwcap_option *hwo;
1216 GHashTableIter iter;
1217 gpointer key, value;
1218 int ret;
1219 float tmp_float;
1220 uint64_t tmp_u64;
1221 struct sr_rational tmp_rat;
1222 gboolean tmp_bool;
1223 void *val;
1224
1225 g_hash_table_iter_init(&iter, args);
1226 while (g_hash_table_iter_next(&iter, &key, &value)) {
1227 if (!(hwo = sr_devopt_name_get(key))) {
1228 g_critical("Unknown device option '%s'.", (char *) key);
1229 return SR_ERR;
1230 }
1231
1232 if ((value == NULL) &&
1233 (hwo->type != SR_T_BOOL)) {
1234 g_critical("Option '%s' needs a value.", (char *)key);
1235 return SR_ERR;
1236 }
1237 val = NULL;
1238 switch (hwo->type) {
1239 case SR_T_UINT64:
1240 ret = sr_parse_sizestring(value, &tmp_u64);
1241 if (ret != SR_OK)
1242 break;
1243 val = &tmp_u64;
1244 break;
1245 case SR_T_CHAR:
1246 val = value;
1247 break;
1248 case SR_T_BOOL:
1249 if (!value)
1250 tmp_bool = TRUE;
1251 else
1252 tmp_bool = sr_parse_boolstring(value);
1253 val = &tmp_bool;
1254 break;
1255 case SR_T_FLOAT:
1256 tmp_float = strtof(value, NULL);
1257 val = &tmp_float;
1258 break;
1259 case SR_T_RATIONAL_PERIOD:
1260 if ((ret = sr_parse_period(value, &tmp_rat)) != SR_OK)
1261 break;
1262 val = &tmp_rat;
1263 break;
1264 case SR_T_RATIONAL_VOLT:
1265 if ((ret = sr_parse_voltage(value, &tmp_rat)) != SR_OK)
1266 break;
1267 val = &tmp_rat;
1268 break;
1269 default:
1270 ret = SR_ERR;
1271 }
1272 if (val)
1273 ret = sr_dev_config_set(sdi, hwo->hwcap, val);
1274 if (ret != SR_OK) {
1275 g_critical("Failed to set device option '%s'.", (char *)key);
1276 return ret;
1277 }
1278 }
1279
1280 return SR_OK;
1281 }
1282
1283 static int set_limit_time(const struct sr_dev_inst *sdi)
1284 {
1285 uint64_t time_msec;
1286 uint64_t *samplerate;
1287
1288 time_msec = sr_parse_timestring(opt_time);
1289 if (time_msec == 0) {
1290 g_critical("Invalid time '%s'", opt_time);
1291 sr_session_destroy();
1292 return SR_ERR;
1293 }
1294
1295 if (sr_driver_hwcap_exists(sdi->driver, SR_HWCAP_LIMIT_MSEC)) {
1296 if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
1297 g_critical("Failed to configure time limit.");
1298 sr_session_destroy();
1299 return SR_ERR;
1300 }
1301 }
1302 else {
1303 /* time limit set, but device doesn't support this...
1304 * convert to samples based on the samplerate.
1305 */
1306 limit_samples = 0;
1307 if (sr_dev_has_hwcap(sdi, SR_HWCAP_SAMPLERATE)) {
1308 sr_info_get(sdi->driver, SR_DI_CUR_SAMPLERATE,
1309 (const void **)&samplerate, sdi);
1310 limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
1311 }
1312 if (limit_samples == 0) {
1313 g_critical("Not enough time at this samplerate.");
1314 sr_session_destroy();
1315 return SR_ERR;
1316 }
1317
1318 if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
1319 &limit_samples) != SR_OK) {
1320 g_critical("Failed to configure time-based sample limit.");
1321 sr_session_destroy();
1322 return SR_ERR;
1323 }
1324 }
1325
1326 return SR_OK;
1327 }
1328
1329 static void run_session(void)
1330 {
1331 GSList *devices;
1332 GHashTable *devargs;
1333 struct sr_dev_inst *sdi;
1334 int max_probes, i;
1335 char **triggerlist;
1336
1337 devices = device_scan();
1338 if (!devices) {
1339 g_critical("No devices found.");
1340 return;
1341 }
1342 if (g_slist_length(devices) > 1) {
1343 g_critical("sigrok-cli only supports one device for capturing.");
1344 return;
1345 }
1346 sdi = devices->data;
1347
1348 sr_session_new();
1349 sr_session_datafeed_callback_add(datafeed_in);
1350
1351 if (sr_session_dev_add(sdi) != SR_OK) {
1352 g_critical("Failed to use device.");
1353 sr_session_destroy();
1354 return;
1355 }
1356
1357 if (opt_dev) {
1358 if ((devargs = parse_generic_arg(opt_dev, FALSE))) {
1359 if (set_dev_options(sdi, devargs) != SR_OK)
1360 return;
1361 g_hash_table_destroy(devargs);
1362 }
1363 }
1364
1365 if (select_probes(sdi) != SR_OK) {
1366 g_critical("Failed to set probes.");
1367 sr_session_destroy();
1368 return;
1369 }
1370
1371 if (opt_triggers) {
1372 if (!(triggerlist = sr_parse_triggerstring(sdi, opt_triggers))) {
1373 sr_session_destroy();
1374 return;
1375 }
1376 max_probes = g_slist_length(sdi->probes);
1377 for (i = 0; i < max_probes; i++) {
1378 if (triggerlist[i]) {
1379 sr_dev_trigger_set(sdi, i, triggerlist[i]);
1380 g_free(triggerlist[i]);
1381 }
1382 }
1383 g_free(triggerlist);
1384 }
1385
1386 if (opt_continuous) {
1387 if (!sr_driver_hwcap_exists(sdi->driver, SR_HWCAP_CONTINUOUS)) {
1388 g_critical("This device does not support continuous sampling.");
1389 sr_session_destroy();
1390 return;
1391 }
1392 }
1393
1394 if (opt_time) {
1395 if (set_limit_time(sdi) != SR_OK) {
1396 sr_session_destroy();
1397 return;
1398 }
1399 }
1400
1401 if (opt_samples) {
1402 if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
1403 || (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
1404 &limit_samples) != SR_OK)) {
1405 g_critical("Failed to configure sample limit.");
1406 sr_session_destroy();
1407 return;
1408 }
1409 }
1410
1411 if (opt_frames) {
1412 if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)
1413 || (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_FRAMES,
1414 &limit_frames) != SR_OK)) {
1415 g_critical("Failed to configure frame limit.");
1416 sr_session_destroy();
1417 return;
1418 }
1419 }
1420
1421 if (sr_session_start() != SR_OK) {
1422 g_critical("Failed to start session.");
1423 sr_session_destroy();
1424 return;
1425 }
1426
1427 if (opt_continuous)
1428 add_anykey();
1429
1430 sr_session_run();
1431
1432 if (opt_continuous)
1433 clear_anykey();
1434
1435 sr_session_destroy();
1436 g_slist_free(devices);
1437
1438 }
1439
1440 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
1441 const gchar *message, gpointer cb_data)
1442 {
1443 (void)log_domain;
1444 (void)cb_data;
1445
1446 /*
1447 * All messages, warnings, errors etc. go to stderr (not stdout) in
1448 * order to not mess up the CLI tool data output, e.g. VCD output.
1449 */
1450 if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
1451 || opt_loglevel > SR_LOG_WARN) {
1452 fprintf(stderr, "%s\n", message);
1453 fflush(stderr);
1454 }
1455 }
1456
1457 int main(int argc, char **argv)
1458 {
1459 int ret = 1;
1460 GOptionContext *context;
1461 GError *error;
1462
1463 g_log_set_default_handler(logger, NULL);
1464
1465 error = NULL;
1466 context = g_option_context_new(NULL);
1467 g_option_context_add_main_entries(context, optargs, NULL);
1468
1469 if (!g_option_context_parse(context, &argc, &argv, &error)) {
1470 g_critical("%s", error->message);
1471 goto done;
1472 }
1473
1474 /* Set the loglevel (amount of messages to output) for libsigrok. */
1475 if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
1476 goto done;
1477
1478 /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
1479 if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
1480 goto done;
1481
1482 if (sr_init(&sr_ctx) != SR_OK)
1483 goto done;
1484
1485 if (opt_pds) {
1486 if (srd_init(NULL) != SRD_OK)
1487 goto done;
1488 if (register_pds(NULL, opt_pds) != 0)
1489 goto done;
1490 if (srd_pd_output_callback_add(SRD_OUTPUT_ANN,
1491 show_pd_annotations, NULL) != SRD_OK)
1492 goto done;
1493 if (setup_pd_stack() != 0)
1494 goto done;
1495 if (setup_pd_annotations() != 0)
1496 goto done;
1497 }
1498
1499 if (setup_output_format() != 0)
1500 goto done;
1501
1502 if (opt_version)
1503 show_version();
1504 else if (opt_list_devs)
1505 show_dev_list();
1506 else if (opt_pds && opt_show)
1507 show_pd_detail();
1508 else if (opt_show)
1509 show_dev_detail();
1510 else if (opt_input_file)
1511 load_input_file();
1512 else if (opt_samples || opt_time || opt_frames || opt_continuous)
1513 run_session();
1514 else
1515 printf("%s", g_option_context_get_help(context, TRUE, NULL));
1516
1517 if (opt_pds)
1518 srd_exit();
1519
1520 ret = 0;
1521
1522 done:
1523 if (sr_ctx)
1524 sr_exit(sr_ctx);
1525
1526 g_option_context_free(context);
1527
1528 return ret;
1529 }
command-line frontend for sigrok