5e54f7bf9149878a99f9be7fc8af1bd4b9728137
[sigrok-cli.git] / sigrok-cli.c
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 <sigrok.h>
34 #include "sigrok-cli.h"
35 #include "config.h"
36
37 #define DEFAULT_OUTPUT_FORMAT "bits:width=64"
38
39 extern struct sr_hwcap_option sr_hwcap_options[];
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 char *input_format_param = NULL;
47 static GHashTable *pd_ann_visible = NULL;
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_dev = NULL;
56 static gchar *opt_probes = NULL;
57 static gchar *opt_triggers = NULL;
58 static gchar *opt_pds = NULL;
59 static gchar *opt_pd_stack = NULL;
60 static gchar *opt_pd_annotations = NULL;
61 static gchar *opt_input_format = NULL;
62 static gchar *opt_output_format = NULL;
63 static gchar *opt_time = NULL;
64 static gchar *opt_samples = NULL;
65 static gchar *opt_frames = NULL;
66 static gchar *opt_continuous = NULL;
67
68 static GOptionEntry optargs[] = {
69         {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
70                         "Show version and support list", NULL},
71         {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
72                         "Set libsigrok/libsigrokdecode loglevel", NULL},
73         {"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devs,
74                         "Scan for devices", NULL},
75         {"device", 'd', 0, G_OPTION_ARG_STRING, &opt_dev,
76                         "Use specified device", NULL},
77         {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
78                         "Load input from file", NULL},
79         {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
80                         "Input format", NULL},
81         {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
82                         "Save output to file", NULL},
83         {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
84                         "Output format", NULL},
85         {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
86                         "Probes to use", NULL},
87         {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
88                         "Trigger configuration", NULL},
89         {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
90                         "Wait for trigger", NULL},
91         {"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds,
92                         "Protocol decoders to run", NULL},
93         {"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
94                         "Protocol decoder stack", NULL},
95         {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
96                         "Protocol decoder annotation(s) to show", NULL},
97         {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
98                         "How long to sample (ms)", NULL},
99         {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
100                         "Number of samples to acquire", NULL},
101         {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
102                         "Number of frames to acquire", NULL},
103         {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
104                         "Sample continuously", NULL},
105         {NULL, 0, 0, 0, NULL, NULL, NULL}
106 };
107
108 static void show_version(void)
109 {
110         GSList *l;
111         struct sr_dev_driver **drivers;
112         struct sr_input_format **inputs;
113         struct sr_output_format **outputs;
114         struct srd_decoder *dec;
115         int i;
116
117         printf("sigrok-cli %s\n\n", VERSION);
118
119         printf("Using libsigrok %s (lib version %s).\n",
120                sr_package_version_string_get(), sr_lib_version_string_get());
121         printf("Using libsigrokdecode %s (lib version %s).\n\n",
122                srd_package_version_string_get(), srd_lib_version_string_get());
123
124         printf("Supported hardware drivers:\n");
125         drivers = sr_driver_list();
126         for (i = 0; drivers[i]; i++) {
127                 printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
128         }
129         printf("\n");
130
131         printf("Supported input formats:\n");
132         inputs = sr_input_list();
133         for (i = 0; inputs[i]; i++)
134                 printf("  %-20s %s\n", inputs[i]->id, inputs[i]->description);
135         printf("\n");
136
137         printf("Supported output formats:\n");
138         outputs = sr_output_list();
139         for (i = 0; outputs[i]; i++)
140                 printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
141         printf("\n");
142
143         if (srd_init(NULL) == SRD_OK) {
144                 printf("Supported protocol decoders:\n");
145                 srd_decoder_load_all();
146                 for (l = srd_decoder_list(); l; l = l->next) {
147                         dec = l->data;
148                         printf("  %-20s %s\n", dec->id, dec->longname);
149                         /* Print protocol description upon "-l 3" or higher. */
150                         if (opt_loglevel >= SR_LOG_INFO)
151                                 printf("  %-20s %s\n", "", dec->desc);
152                 }
153                 srd_exit();
154         }
155         printf("\n");
156 }
157
158 static void print_dev_line(const struct sr_dev *dev)
159 {
160         const struct sr_dev_inst *sdi;
161
162         sr_dev_info_get(dev, SR_DI_INST, (const void **)&sdi);
163
164         if (sdi->vendor && sdi->vendor[0])
165                 printf("%s ", sdi->vendor);
166         if (sdi->model && sdi->model[0])
167                 printf("%s ", sdi->model);
168         if (sdi->version && sdi->version[0])
169                 printf("%s ", sdi->version);
170         if (dev->probes)
171                 printf("with %d probes", g_slist_length(dev->probes));
172         printf("\n");
173 }
174
175 static void show_dev_list(void)
176 {
177         struct sr_dev *dev, *demo_dev;
178         GSList *devs, *l;
179         int devcnt;
180
181         devcnt = 0;
182         devs = sr_dev_list();
183
184         if (g_slist_length(devs) == 0)
185                 return;
186
187         printf("The following devices were found:\nID    Device\n");
188         demo_dev = NULL;
189         for (l = devs; l; l = l->next) {
190                 dev = l->data;
191                 if (sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV)) {
192                         demo_dev = dev;
193                         continue;
194                 }
195                 printf("%-3d   ", devcnt++);
196                 print_dev_line(dev);
197         }
198         if (demo_dev) {
199                 printf("demo  ");
200                 print_dev_line(demo_dev);
201         }
202 }
203
204 static void show_dev_detail(void)
205 {
206         struct sr_dev *dev;
207         struct sr_hwcap_option *hwo;
208         const struct sr_samplerates *samplerates;
209         struct sr_rational *rationals;
210         uint64_t *integers;
211         int cap, *hwcaps, i;
212         char *s, *title;
213         const char *charopts, **stropts;
214
215         dev = parse_devstring(opt_dev);
216         if (!dev) {
217                 printf("No such device. Use -D to list all devices.\n");
218                 return;
219         }
220
221         print_dev_line(dev);
222
223         if (sr_dev_info_get(dev, SR_DI_TRIGGER_TYPES,
224                                         (const void **)&charopts) == SR_OK) {
225                 printf("Supported triggers: ");
226                 while (*charopts) {
227                         printf("%c ", *charopts);
228                         charopts++;
229                 }
230                 printf("\n");
231         }
232
233         title = "Supported options:\n";
234         hwcaps = dev->driver->hwcap_get_all();
235         for (cap = 0; hwcaps[cap]; cap++) {
236                 if (!(hwo = sr_hw_hwcap_get(hwcaps[cap])))
237                         continue;
238
239                 if (title) {
240                         printf("%s", title);
241                         title = NULL;
242                 }
243
244                 if (hwo->hwcap == SR_HWCAP_PATTERN_MODE) {
245                         /* Pattern generator modes */
246                         printf("    %s", hwo->shortname);
247                         if (sr_dev_info_get(dev, SR_DI_PATTERNS,
248                                         (const void **)&stropts) == SR_OK) {
249                                 printf(" - supported patterns:\n");
250                                 for (i = 0; stropts[i]; i++)
251                                         printf("      %s\n", stropts[i]);
252                         } else {
253                                 printf("\n");
254                         }
255
256                 } else if (hwo->hwcap == SR_HWCAP_SAMPLERATE) {
257                         /* Supported samplerates */
258                         printf("    %s", hwo->shortname);
259                         if (sr_dev_info_get(dev, SR_DI_SAMPLERATES,
260                                         (const void **)&samplerates) != SR_OK) {
261                                 printf("\n");
262                                 continue;
263                         }
264                         if (samplerates->step) {
265                                 /* low */
266                                 if (!(s = sr_samplerate_string(samplerates->low)))
267                                         continue;
268                                 printf(" (%s", s);
269                                 g_free(s);
270                                 /* high */
271                                 if (!(s = sr_samplerate_string(samplerates->high)))
272                                         continue;
273                                 printf(" - %s", s);
274                                 g_free(s);
275                                 /* step */
276                                 if (!(s = sr_samplerate_string(samplerates->step)))
277                                         continue;
278                                 printf(" in steps of %s)\n", s);
279                                 g_free(s);
280                         } else {
281                                 printf(" - supported samplerates:\n");
282                                 for (i = 0; samplerates->list[i]; i++)
283                                         printf("      %s\n", sr_samplerate_string(samplerates->list[i]));
284                         }
285
286                 } else if (hwo->hwcap == SR_HWCAP_BUFFERSIZE) {
287                         /* Supported buffer sizes */
288                         printf("    %s", hwo->shortname);
289                         if (sr_dev_info_get(dev, SR_DI_BUFFERSIZES,
290                                         (const void **)&integers) != SR_OK) {
291                                 printf("\n");
292                                 continue;
293                         }
294                         printf(" - supported buffer sizes:\n");
295                         for (i = 0; integers[i]; i++)
296                                 printf("      %"PRIu64"\n", integers[i]);
297
298                 } else if (hwo->hwcap == SR_HWCAP_TIMEBASE) {
299                         /* Supported time bases */
300                         printf("    %s", hwo->shortname);
301                         if (sr_dev_info_get(dev, SR_DI_TIMEBASES,
302                                         (const void **)&rationals) != SR_OK) {
303                                 printf("\n");
304                                 continue;
305                         }
306                         printf(" - supported time bases:\n");
307                         for (i = 0; rationals[i].p && rationals[i].q; i++)
308                                 printf("      %s\n", sr_period_string(
309                                                 rationals[i].p * rationals[i].q));
310
311                 } else if (hwo->hwcap == SR_HWCAP_TRIGGER_SOURCE) {
312                         /* Supported trigger sources */
313                         printf("    %s", hwo->shortname);
314                         if (sr_dev_info_get(dev, SR_DI_TRIGGER_SOURCES,
315                                         (const void **)&stropts) != SR_OK) {
316                                 printf("\n");
317                                 continue;
318                         }
319                         printf(" - supported trigger sources:\n");
320                         for (i = 0; stropts[i]; i++)
321                                 printf("      %s\n", stropts[i]);
322
323                 } else {
324                         /* Everything else */
325                         printf("    %s\n", hwo->shortname);
326                 }
327         }
328 }
329
330 static void show_pd_detail(void)
331 {
332         GSList *l;
333         struct srd_decoder *dec;
334         char **pdtokens, **pdtok, **ann, *doc;
335         struct srd_probe *p;
336
337         pdtokens = g_strsplit(opt_pds, ",", -1);
338         for (pdtok = pdtokens; *pdtok; pdtok++) {
339                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
340                         printf("Protocol decoder %s not found.\n", *pdtok);
341                         return;
342                 }
343                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
344                                 dec->id, dec->name, dec->longname, dec->desc);
345                 printf("License: %s\n", dec->license);
346                 printf("Annotations:\n");
347                 if (dec->annotations) {
348                         for (l = dec->annotations; l; l = l->next) {
349                                 ann = l->data;
350                                 printf("- %s\n  %s\n", ann[0], ann[1]);
351                         }
352                 } else {
353                         printf("None.\n");
354                 }
355                 /* TODO: Print supported decoder options. */
356                 printf("Required probes:\n");
357                 if (dec->probes) {
358                         for (l = dec->probes; l; l = l->next) {
359                                 p = l->data;
360                                 printf("- %s (%s): %s\n",
361                                        p->name, p->id, p->desc);
362                         }
363                 } else {
364                         printf("None.\n");
365                 }
366                 printf("Optional probes:\n");
367                 if (dec->opt_probes) {
368                         for (l = dec->opt_probes; l; l = l->next) {
369                                 p = l->data;
370                                 printf("- %s (%s): %s\n",
371                                        p->name, p->id, p->desc);
372                         }
373                 } else {
374                         printf("None.\n");
375                 }
376                 if ((doc = srd_decoder_doc_get(dec))) {
377                         printf("Documentation:\n%s\n",
378                                doc[0] == '\n' ? doc + 1 : doc);
379                         g_free(doc);
380                 }
381         }
382
383         g_strfreev(pdtokens);
384 }
385
386 static void datafeed_in(struct sr_dev *dev, struct sr_datafeed_packet *packet)
387 {
388         static struct sr_output *o = NULL;
389         static int logic_probelist[SR_MAX_NUM_PROBES] = { 0 };
390         static struct sr_probe *analog_probelist[SR_MAX_NUM_PROBES];
391         static uint64_t received_samples = 0;
392         static int unitsize = 0;
393         static int triggered = 0;
394         static FILE *outfile = NULL;
395         static int num_analog_probes = 0;
396         struct sr_probe *probe;
397         struct sr_datafeed_logic *logic;
398         struct sr_datafeed_meta_logic *meta_logic;
399         struct sr_datafeed_analog *analog;
400         struct sr_datafeed_meta_analog *meta_analog;
401         static int num_enabled_analog_probes = 0;
402         int num_enabled_probes, sample_size, data_offset, ret, i, j;
403         uint64_t output_len, filter_out_len;
404         uint8_t *output_buf, *filter_out;
405         float asample;
406
407         /* If the first packet to come in isn't a header, don't even try. */
408         if (packet->type != SR_DF_HEADER && o == NULL)
409                 return;
410
411         sample_size = -1;
412         switch (packet->type) {
413         case SR_DF_HEADER:
414                 g_debug("cli: Received SR_DF_HEADER");
415                 /* Initialize the output module. */
416                 if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
417                         g_critical("Output module malloc failed.");
418                         exit(1);
419                 }
420                 o->format = output_format;
421                 o->dev = dev;
422                 o->param = output_format_param;
423                 if (o->format->init) {
424                         if (o->format->init(o) != SR_OK) {
425                                 g_critical("Output format initialization failed.");
426                                 exit(1);
427                         }
428                 }
429                 break;
430
431         case SR_DF_END:
432                 g_debug("cli: Received SR_DF_END");
433                 if (!o) {
434                         g_debug("cli: double end!");
435                         break;
436                 }
437                 if (o->format->event) {
438                         o->format->event(o, SR_DF_END, &output_buf, &output_len);
439                         if (output_len) {
440                                 if (outfile)
441                                         fwrite(output_buf, 1, output_len, outfile);
442                                 g_free(output_buf);
443                                 output_len = 0;
444                         }
445                 }
446                 if (limit_samples && received_samples < limit_samples)
447                         g_warning("Device only sent %" PRIu64 " samples.",
448                                received_samples);
449                 if (opt_continuous)
450                         g_warning("Device stopped after %" PRIu64 " samples.",
451                                received_samples);
452                 sr_session_halt();
453                 if (outfile && outfile != stdout)
454                         fclose(outfile);
455                 g_free(o);
456                 o = NULL;
457                 break;
458
459         case SR_DF_TRIGGER:
460                 g_debug("cli: received SR_DF_TRIGGER");
461                 if (o->format->event)
462                         o->format->event(o, SR_DF_TRIGGER, &output_buf,
463                                          &output_len);
464                 triggered = 1;
465                 break;
466
467         case SR_DF_META_LOGIC:
468                 g_message("cli: Received SR_DF_META_LOGIC");
469                 meta_logic = packet->payload;
470                 num_enabled_probes = 0;
471                 for (i = 0; i < meta_logic->num_probes; i++) {
472                         probe = g_slist_nth_data(dev->probes, i);
473                         if (probe->enabled)
474                                 logic_probelist[num_enabled_probes++] = probe->index;
475                 }
476                 /* How many bytes we need to store num_enabled_probes bits */
477                 unitsize = (num_enabled_probes + 7) / 8;
478
479                 outfile = stdout;
480                 if (opt_output_file) {
481                         if (default_output_format) {
482                                 /* output file is in session format, which means we'll
483                                  * dump everything in the datastore as it comes in,
484                                  * and save from there after the session. */
485                                 outfile = NULL;
486                                 ret = sr_datastore_new(unitsize, &(dev->datastore));
487                                 if (ret != SR_OK) {
488                                         printf("Failed to create datastore.\n");
489                                         exit(1);
490                                 }
491                         } else {
492                                 /* saving to a file in whatever format was set
493                                  * with --format, so all we need is a filehandle */
494                                 outfile = g_fopen(opt_output_file, "wb");
495                         }
496                 }
497                 if (opt_pds)
498                         srd_session_start(num_enabled_probes, unitsize,
499                                         meta_logic->samplerate);
500                 break;
501
502         case SR_DF_LOGIC:
503                 logic = packet->payload;
504                 g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
505                 sample_size = logic->unitsize;
506                 if (logic->length == 0)
507                         break;
508
509                 /* Don't store any samples until triggered. */
510                 if (opt_wait_trigger && !triggered)
511                         break;
512
513                 if (limit_samples && received_samples >= limit_samples)
514                         break;
515
516                 ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
517                                            logic->data, logic->length,
518                                            &filter_out, &filter_out_len);
519                 if (ret != SR_OK)
520                         break;
521
522                 /* what comes out of the filter is guaranteed to be packed into the
523                  * minimum size needed to support the number of samples at this sample
524                  * size. however, the driver may have submitted too much -- cut off
525                  * the buffer of the last packet according to the sample limit.
526                  */
527                 if (limit_samples && (received_samples + logic->length / sample_size >
528                                 limit_samples * sample_size))
529                         filter_out_len = limit_samples * sample_size - received_samples;
530
531                 if (dev->datastore)
532                         sr_datastore_put(dev->datastore, filter_out,
533                                          filter_out_len, sample_size, logic_probelist);
534
535                 if (opt_output_file && default_output_format)
536                         /* saving to a session file, don't need to do anything else
537                          * to this data for now. */
538                         goto cleanup;
539
540                 if (opt_pds) {
541                         if (srd_session_send(received_samples, (uint8_t*)filter_out,
542                                         filter_out_len) != SRD_OK)
543                                 sr_session_halt();
544                 } else {
545                         output_len = 0;
546                         if (o->format->data && packet->type == o->format->df_type)
547                                 o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
548                         if (output_len) {
549                                 fwrite(output_buf, 1, output_len, outfile);
550                                 g_free(output_buf);
551                         }
552                 }
553
554                 cleanup:
555                 g_free(filter_out);
556                 received_samples += logic->length / sample_size;
557                 break;
558
559         case SR_DF_META_ANALOG:
560                 g_message("cli: Received SR_DF_META_ANALOG");
561                 meta_analog = packet->payload;
562                 num_analog_probes = meta_analog->num_probes;
563                 num_enabled_analog_probes = 0;
564                 for (i = 0; i < num_analog_probes; i++) {
565                         probe = g_slist_nth_data(dev->probes, i);
566                         if (probe->enabled)
567                                 analog_probelist[num_enabled_analog_probes++] = probe;
568                 }
569
570                 outfile = stdout;
571                 if (opt_output_file) {
572                         if (default_output_format) {
573                                 /* output file is in session format, which means we'll
574                                  * dump everything in the datastore as it comes in,
575                                  * and save from there after the session. */
576                                 outfile = NULL;
577                                 ret = sr_datastore_new(unitsize, &(dev->datastore));
578                                 if (ret != SR_OK) {
579                                         printf("Failed to create datastore.\n");
580                                         exit(1);
581                                 }
582                         } else {
583                                 /* saving to a file in whatever format was set
584                                  * with --format, so all we need is a filehandle */
585                                 outfile = g_fopen(opt_output_file, "wb");
586                         }
587                 }
588 //              if (opt_pds)
589 //                      srd_session_start(num_enabled_probes, unitsize,
590 //                                      meta_logic->samplerate);
591                 break;
592
593         case SR_DF_ANALOG:
594                 analog = packet->payload;
595                 g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
596                 if (analog->num_samples == 0)
597                         break;
598
599                 if (limit_samples && received_samples >= limit_samples)
600                         break;
601
602                 data_offset = 0;
603                 for (i = 0; i < analog->num_samples; i++) {
604                         for (j = 0; j < num_enabled_analog_probes; j++) {
605                                 asample = analog->data[data_offset++];
606                                 printf("%s: %f\n", analog_probelist[j]->name, asample);
607                         }
608 //                      asample1 = asample2 = 0.0;
609 //                      asample1 = analog->data[data_offset++];
610 //                      asample2 = analog->data[i * num_analog_probes + 1];
611 //                      printf("%d\t%f\t%f\n", received_samples+i+1, asample1, asample2);
612                 }
613
614 //              output_len = 0;
615 //              if (o->format->data && packet->type == o->format->df_type)
616 //                      o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
617
618                 received_samples += analog->num_samples;
619                 break;
620
621         case SR_DF_FRAME_BEGIN:
622                 /* TODO */
623                 printf("BEGIN\n");
624                 break;
625
626         case SR_DF_FRAME_END:
627                 /* TODO */
628                 printf("END\n");
629                 break;
630
631         default:
632                 g_message("received unknown packet type %d", packet->type);
633         }
634
635 }
636
637 /* Register the given PDs for this session.
638  * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
639  * That will instantiate two SPI decoders on the clock but different data
640  * lines.
641  */
642 static int register_pds(struct sr_dev *dev, const char *pdstring)
643 {
644         GHashTable *pd_opthash;
645         struct srd_decoder_inst *di;
646         int ret;
647         char **pdtokens, **pdtok, *pd_name;
648
649         /* Avoid compiler warnings. */
650         (void)dev;
651
652         ret = 0;
653         pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
654                         g_free, NULL);
655         pd_name = NULL;
656         pd_opthash = NULL;
657         pdtokens = g_strsplit(pdstring, ",", 0);
658         for (pdtok = pdtokens; *pdtok; pdtok++) {
659                 if (!(pd_opthash = parse_generic_arg(*pdtok))) {
660                         g_critical("Invalid protocol decoder option '%s'.", *pdtok);
661                         goto err_out;
662                 }
663
664                 pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
665                 g_hash_table_remove(pd_opthash, "sigrok_key");
666                 if (srd_decoder_load(pd_name) != SRD_OK) {
667                         g_critical("Failed to load protocol decoder %s.", pd_name);
668                         ret = 1;
669                         goto err_out;
670                 }
671                 if (!(di = srd_inst_new(pd_name, pd_opthash))) {
672                         g_critical("Failed to instantiate protocol decoder %s.", pd_name);
673                         ret = 1;
674                         goto err_out;
675                 }
676
677                 /* If no annotation list was specified, add them all in now.
678                  * This will be pared down later to leave only the last PD
679                  * in the stack.
680                  */
681                 if (!opt_pd_annotations)
682                         g_hash_table_insert(pd_ann_visible,
683                                             g_strdup(di->inst_id), NULL);
684
685                 /* Any keys left in the options hash are probes, where the key
686                  * is the probe name as specified in the decoder class, and the
687                  * value is the probe number i.e. the order in which the PD's
688                  * incoming samples are arranged. */
689                 if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
690                         ret = 1;
691                         goto err_out;
692                 }
693                 g_hash_table_destroy(pd_opthash);
694                 pd_opthash = NULL;
695         }
696
697 err_out:
698         g_strfreev(pdtokens);
699         if (pd_opthash)
700                 g_hash_table_destroy(pd_opthash);
701         if (pd_name)
702                 g_free(pd_name);
703
704         return ret;
705 }
706
707 int setup_pd_stack(void)
708 {
709         struct srd_decoder_inst *di_from, *di_to;
710         int ret, i;
711         char **pds;
712
713         /* Set up the protocol decoder stack. */
714         pds = g_strsplit(opt_pds, ",", 0);
715         if (g_strv_length(pds) > 1) {
716                 if (opt_pd_stack) {
717                         /* A stack setup was specified, use that. */
718                         g_strfreev(pds);
719                         pds = g_strsplit(opt_pd_stack, ",", 0);
720                         if (g_strv_length(pds) < 2) {
721                                 g_strfreev(pds);
722                                 g_critical("Specify at least two protocol decoders to stack.");
723                                 return 1;
724                         }
725                 }
726
727                 if (!(di_from = srd_inst_find_by_id(pds[0]))) {
728                         g_critical("Cannot stack protocol decoder '%s': "
729                                         "instance not found.", pds[0]);
730                         return 1;
731                 }
732                 for (i = 1; pds[i]; i++) {
733                         if (!(di_to = srd_inst_find_by_id(pds[i]))) {
734                                 g_critical("Cannot stack protocol decoder '%s': "
735                                                 "instance not found.", pds[i]);
736                                 return 1;
737                         }
738                         if ((ret = srd_inst_stack(di_from, di_to)) != SRD_OK)
739                                 return 1;
740
741                         /* Don't show annotation from this PD. Only the last PD in
742                          * the stack will be left on the annotation list (unless
743                          * the annotation list was specifically provided).
744                          */
745                         if (!opt_pd_annotations)
746                                 g_hash_table_remove(pd_ann_visible,
747                                                     di_from->inst_id);
748
749                         di_from = di_to;
750                 }
751         }
752         g_strfreev(pds);
753
754         return 0;
755 }
756
757 int setup_pd_annotations(void)
758 {
759         GSList *l;
760         struct srd_decoder *dec;
761         int ann;
762         char **pds, **pdtok, **keyval, **ann_descr;
763
764         /* Set up custom list of PDs and annotations to show. */
765         if (opt_pd_annotations) {
766                 pds = g_strsplit(opt_pd_annotations, ",", 0);
767                 for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
768                         ann = 0;
769                         keyval = g_strsplit(*pdtok, "=", 0);
770                         if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
771                                 g_critical("Protocol decoder '%s' not found.", keyval[0]);
772                                 return 1;
773                         }
774                         if (!dec->annotations) {
775                                 g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
776                                 return 1;
777                         }
778                         if (g_strv_length(keyval) == 2) {
779                                 for (l = dec->annotations; l; l = l->next, ann++) {
780                                         ann_descr = l->data;
781                                         if (!canon_cmp(ann_descr[0], keyval[1]))
782                                                 /* Found it. */
783                                                 break;
784                                 }
785                                 if (!l) {
786                                         g_critical("Annotation '%s' not found "
787                                                         "for protocol decoder '%s'.", keyval[1], keyval[0]);
788                                         return 1;
789                                 }
790                         }
791                         g_debug("cli: showing protocol decoder annotation %d from '%s'", ann, keyval[0]);
792                         g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann));
793                         g_strfreev(keyval);
794                 }
795                 g_strfreev(pds);
796         }
797
798         return 0;
799 }
800
801 int setup_output_format(void)
802 {
803         GHashTable *fmtargs;
804         GHashTableIter iter;
805         gpointer key, value;
806         struct sr_output_format **outputs;
807         int i;
808         char *fmtspec;
809
810         if (!opt_output_format) {
811                 opt_output_format = DEFAULT_OUTPUT_FORMAT;
812                 /* we'll need to remember this so when saving to a file
813                  * later, sigrok session format will be used.
814                  */
815                 default_output_format = TRUE;
816         }
817         fmtargs = parse_generic_arg(opt_output_format);
818         fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
819         if (!fmtspec) {
820                 g_critical("Invalid output format.");
821                 return 1;
822         }
823         outputs = sr_output_list();
824         for (i = 0; outputs[i]; i++) {
825                 if (strcmp(outputs[i]->id, fmtspec))
826                         continue;
827                 g_hash_table_remove(fmtargs, "sigrok_key");
828                 output_format = outputs[i];
829                 g_hash_table_iter_init(&iter, fmtargs);
830                 while (g_hash_table_iter_next(&iter, &key, &value)) {
831                         /* only supporting one parameter per output module
832                          * for now, and only its value */
833                         output_format_param = g_strdup(value);
834                         break;
835                 }
836                 break;
837         }
838         if (!output_format) {
839                 g_critical("Invalid output format %s.", opt_output_format);
840                 return 1;
841         }
842         g_hash_table_destroy(fmtargs);
843
844         return 0;
845 }
846
847 void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
848 {
849         int i;
850         char **annotations;
851         gpointer ann_format;
852
853         /* 'cb_data' is not used in this specific callback. */
854         (void)cb_data;
855
856         if (!pd_ann_visible)
857                 return;
858
859         if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
860                         NULL, &ann_format))
861                 /* Not in the list of PDs whose annotations we're showing. */
862                 return;
863
864         if (pdata->ann_format != GPOINTER_TO_INT(ann_format))
865                 /* We don't want this particular format from the PD. */
866                 return;
867
868         annotations = pdata->data;
869         if (opt_loglevel > SR_LOG_WARN)
870                 printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
871         printf("%s: ", pdata->pdo->proto_id);
872         for (i = 0; annotations[i]; i++)
873                 printf("\"%s\" ", annotations[i]);
874         printf("\n");
875 }
876
877 static int select_probes(struct sr_dev *dev)
878 {
879         struct sr_probe *probe;
880         char **probelist;
881         int max_probes, i;
882
883         if (!opt_probes)
884                 return SR_OK;
885
886         /*
887          * This only works because a device by default initializes
888          * and enables all its probes.
889          */
890         max_probes = g_slist_length(dev->probes);
891         probelist = parse_probestring(max_probes, opt_probes);
892         if (!probelist) {
893                 return SR_ERR;
894         }
895
896         for (i = 0; i < max_probes; i++) {
897                 if (probelist[i]) {
898                         sr_dev_probe_name_set(dev, i + 1, probelist[i]);
899                         g_free(probelist[i]);
900                 } else {
901                         probe = sr_dev_probe_find(dev, i + 1);
902                         probe->enabled = FALSE;
903                 }
904         }
905         g_free(probelist);
906
907         return SR_OK;
908 }
909
910 /**
911  * Return the input file format which the CLI tool should use.
912  *
913  * If the user specified -I / --input-format, use that one. Otherwise, try to
914  * autodetect the format as good as possible. Failing that, return NULL.
915  *
916  * @param filename The filename of the input file. Must not be NULL.
917  * @param opt The -I / --input-file option the user specified (or NULL).
918  *
919  * @return A pointer to the 'struct sr_input_format' that should be used,
920  *         or NULL if no input format was selected or auto-detected.
921  */
922 static struct sr_input_format *determine_input_file_format(
923                         const char *filename, const char *opt)
924 {
925         int i;
926         struct sr_input_format **inputs;
927
928         /* If there are no input formats, return NULL right away. */
929         inputs = sr_input_list();
930         if (!inputs) {
931                 g_critical("No supported input formats available.");
932                 return NULL;
933         }
934
935         /* If the user specified -I / --input-format, use that one. */
936         if (opt) {
937                 for (i = 0; inputs[i]; i++) {
938                         if (strcasecmp(inputs[i]->id, opt_input_format))
939                                 continue;
940                         g_debug("Using user-specified input file format '%s'.",
941                                         inputs[i]->id);
942                         return inputs[i];
943                 }
944
945                 /* The user specified an unknown input format, return NULL. */
946                 g_critical("Error: specified input file format '%s' is "
947                         "unknown.", opt_input_format);
948                 return NULL;
949         }
950
951         /* Otherwise, try to find an input module that can handle this file. */
952         for (i = 0; inputs[i]; i++) {
953                 if (inputs[i]->format_match(filename))
954                         break;
955         }
956
957         /* Return NULL if no input module wanted to touch this. */
958         if (!inputs[i]) {
959                 g_critical("Error: no matching input module found.");
960                 return NULL;
961         }
962
963         g_debug("cli: Autodetected '%s' input format for file '%s'.",
964                 inputs[i]->id, filename);
965                 
966         return inputs[i];
967 }
968
969 static void load_input_file_format(void)
970 {
971         struct stat st;
972         struct sr_input *in;
973         struct sr_input_format *input_format;
974
975         if (!(input_format = determine_input_file_format(opt_input_file,
976                                                    opt_input_format)))
977                 /* The exact cause was already logged. */
978                 return;
979
980         if (stat(opt_input_file, &st) == -1) {
981                 g_critical("Failed to load %s: %s", opt_input_file,
982                         strerror(errno));
983                 exit(1);
984         }
985
986         /* Initialize the input module. */
987         if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
988                 g_critical("Failed to allocate input module.");
989                 exit(1);
990         }
991         in->format = input_format;
992         in->param = input_format_param;
993         if (in->format->init) {
994                 if (in->format->init(in) != SR_OK) {
995                         g_critical("Input format init failed.");
996                         exit(1);
997                 }
998         }
999
1000         if (select_probes(in->vdev) > 0)
1001             return;
1002
1003         sr_session_new();
1004         sr_session_datafeed_callback_add(datafeed_in);
1005         if (sr_session_dev_add(in->vdev) != SR_OK) {
1006                 g_critical("Failed to use device.");
1007                 sr_session_destroy();
1008                 return;
1009         }
1010
1011         input_format->loadfile(in, opt_input_file);
1012         if (opt_output_file && default_output_format) {
1013                 if (sr_session_save(opt_output_file) != SR_OK)
1014                         g_critical("Failed to save session.");
1015         }
1016         sr_session_destroy();
1017 }
1018
1019 static void load_input_file(void)
1020 {
1021
1022         if (sr_session_load(opt_input_file) == SR_OK) {
1023                 /* sigrok session file */
1024                 sr_session_datafeed_callback_add(datafeed_in);
1025                 sr_session_start();
1026                 sr_session_run();
1027                 sr_session_stop();
1028         }
1029         else {
1030                 /* fall back on input modules */
1031                 load_input_file_format();
1032         }
1033 }
1034
1035 int num_real_devs(void)
1036 {
1037         struct sr_dev *dev;
1038         GSList *devs, *l;
1039         int num_devs;
1040
1041         num_devs = 0;
1042         devs = sr_dev_list();
1043         for (l = devs; l; l = l->next) {
1044                 dev = l->data;
1045                 if (!sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV))
1046                         num_devs++;
1047         }
1048
1049         return num_devs;
1050 }
1051
1052 static int set_dev_options(struct sr_dev *dev, GHashTable *args)
1053 {
1054         GHashTableIter iter;
1055         gpointer key, value;
1056         int ret, i;
1057         float tmp_float;
1058         uint64_t tmp_u64;
1059         struct sr_rational tmp_rat;
1060         gboolean tmp_bool;
1061         gboolean found;
1062
1063         g_hash_table_iter_init(&iter, args);
1064         while (g_hash_table_iter_next(&iter, &key, &value)) {
1065                 found = FALSE;
1066                 for (i = 0; sr_hwcap_options[i].hwcap; i++) {
1067                         if (strcmp(sr_hwcap_options[i].shortname, key))
1068                                 continue;
1069                         if ((value == NULL) && 
1070                             (sr_hwcap_options[i].type != SR_T_BOOL)) {
1071                                 g_critical("Option '%s' needs a value.", (char *)key);
1072                                 return SR_ERR;
1073                         }
1074                         found = TRUE;
1075                         switch (sr_hwcap_options[i].type) {
1076                         case SR_T_UINT64:
1077                                 ret = sr_parse_sizestring(value, &tmp_u64);
1078                                 if (ret != SR_OK)
1079                                         break;
1080                                 ret = dev->driver->dev_config_set(dev->driver_index,
1081                                         sr_hwcap_options[i].hwcap, &tmp_u64);
1082                                 break;
1083                         case SR_T_CHAR:
1084                                 ret = dev->driver->dev_config_set(dev->driver_index,
1085                                         sr_hwcap_options[i].hwcap, value);
1086                                 break;
1087                         case SR_T_BOOL:
1088                                 if (!value)
1089                                         tmp_bool = TRUE;
1090                                 else 
1091                                         tmp_bool = sr_parse_boolstring(value);
1092                                 ret = dev->driver->dev_config_set(dev->driver_index,
1093                                                 sr_hwcap_options[i].hwcap, 
1094                                                 GINT_TO_POINTER(tmp_bool));
1095                                 break;
1096                         case SR_T_FLOAT:
1097                                 tmp_float = strtof(value, NULL);
1098                                 ret = dev->driver->dev_config_set(dev->driver_index,
1099                                                 sr_hwcap_options[i].hwcap, &tmp_float);
1100                                 break;
1101                         case SR_T_RATIONAL:
1102                                 if ((ret = sr_parse_period(value, &tmp_rat)) != SR_OK)
1103                                         break;
1104                                 ret = dev->driver->dev_config_set(dev->driver_index,
1105                                                 sr_hwcap_options[i].hwcap, &tmp_rat);
1106                                 break;
1107                         default:
1108                                 ret = SR_ERR;
1109                         }
1110
1111                         if (ret != SR_OK) {
1112                                 g_critical("Failed to set device option '%s'.", (char *)key);
1113                                 return ret;
1114                         }
1115                         else
1116                                 break;
1117                 }
1118                 if (!found) {
1119                         g_critical("Unknown device option '%s'.", (char *) key);
1120                         return SR_ERR;
1121                 }
1122         }
1123
1124         return SR_OK;
1125 }
1126
1127 static void run_session(void)
1128 {
1129         struct sr_dev *dev;
1130         GHashTable *devargs;
1131         int num_devs, max_probes, i;
1132         uint64_t time_msec;
1133         char **probelist, *devspec;
1134
1135         devargs = NULL;
1136         if (opt_dev) {
1137                 devargs = parse_generic_arg(opt_dev);
1138                 devspec = g_hash_table_lookup(devargs, "sigrok_key");
1139                 dev = parse_devstring(devspec);
1140                 if (!dev) {
1141                         g_critical("Device not found.");
1142                         return;
1143                 }
1144                 g_hash_table_remove(devargs, "sigrok_key");
1145         } else {
1146                 num_devs = num_real_devs();
1147                 if (num_devs == 1) {
1148                         /* No device specified, but there is only one. */
1149                         devargs = NULL;
1150                         dev = parse_devstring("0");
1151                 } else if (num_devs == 0) {
1152                         g_critical("No devices found.");
1153                         return;
1154                 } else {
1155                         g_critical("%d devices found, please select one.", num_devs);
1156                         return;
1157                 }
1158         }
1159
1160         sr_session_new();
1161         sr_session_datafeed_callback_add(datafeed_in);
1162
1163         if (sr_session_dev_add(dev) != SR_OK) {
1164                 g_critical("Failed to use device.");
1165                 sr_session_destroy();
1166                 return;
1167         }
1168
1169         if (devargs) {
1170                 if (set_dev_options(dev, devargs) != SR_OK) {
1171                         sr_session_destroy();
1172                         return;
1173                 }
1174                 g_hash_table_destroy(devargs);
1175         }
1176
1177         if (select_probes(dev) != SR_OK)
1178             return;
1179
1180         if (opt_continuous) {
1181                 if (!sr_driver_hwcap_exists(dev->driver, SR_HWCAP_CONTINUOUS)) {
1182                         g_critical("This device does not support continuous sampling.");
1183                         sr_session_destroy();
1184                         return;
1185                 }
1186         }
1187
1188         if (opt_triggers) {
1189                 probelist = sr_parse_triggerstring(dev, opt_triggers);
1190                 if (!probelist) {
1191                         sr_session_destroy();
1192                         return;
1193                 }
1194
1195                 max_probes = g_slist_length(dev->probes);
1196                 for (i = 0; i < max_probes; i++) {
1197                         if (probelist[i]) {
1198                                 sr_dev_trigger_set(dev, i + 1, probelist[i]);
1199                                 g_free(probelist[i]);
1200                         }
1201                 }
1202                 g_free(probelist);
1203         }
1204
1205         if (opt_time) {
1206                 time_msec = sr_parse_timestring(opt_time);
1207                 if (time_msec == 0) {
1208                         g_critical("Invalid time '%s'", opt_time);
1209                         sr_session_destroy();
1210                         return;
1211                 }
1212
1213                 if (sr_driver_hwcap_exists(dev->driver, SR_HWCAP_LIMIT_MSEC)) {
1214                         if (dev->driver->dev_config_set(dev->driver_index,
1215                             SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
1216                                 g_critical("Failed to configure time limit.");
1217                                 sr_session_destroy();
1218                                 return;
1219                         }
1220                 }
1221                 else {
1222                         /* time limit set, but device doesn't support this...
1223                          * convert to samples based on the samplerate.
1224                          */
1225                         limit_samples = 0;
1226                         if (sr_dev_has_hwcap(dev, SR_HWCAP_SAMPLERATE)) {
1227                                 const uint64_t *samplerate;
1228
1229                                 sr_dev_info_get(dev, SR_DI_CUR_SAMPLERATE,
1230                                                 (const void **)&samplerate);
1231                                 limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
1232                         }
1233                         if (limit_samples == 0) {
1234                                 g_critical("Not enough time at this samplerate.");
1235                                 sr_session_destroy();
1236                                 return;
1237                         }
1238
1239                         if (dev->driver->dev_config_set(dev->driver_index,
1240                             SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK) {
1241                                 g_critical("Failed to configure time-based sample limit.");
1242                                 sr_session_destroy();
1243                                 return;
1244                         }
1245                 }
1246         }
1247
1248         if (opt_samples) {
1249                 if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
1250                         || (dev->driver->dev_config_set(dev->driver_index,
1251                             SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK)) {
1252                         g_critical("Failed to configure sample limit.");
1253                         sr_session_destroy();
1254                         return;
1255                 }
1256         }
1257
1258         if (opt_frames) {
1259                 if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)
1260                         || (dev->driver->dev_config_set(dev->driver_index,
1261                             SR_HWCAP_LIMIT_FRAMES, &limit_frames) != SR_OK)) {
1262                         printf("Failed to configure frame limit.\n");
1263                         sr_session_destroy();
1264                         return;
1265                 }
1266         }
1267
1268         if (dev->driver->dev_config_set(dev->driver_index,
1269                   SR_HWCAP_PROBECONFIG, (char *)dev->probes) != SR_OK) {
1270                 g_critical("Failed to configure probes.");
1271                 sr_session_destroy();
1272                 return;
1273         }
1274
1275         if (sr_session_start() != SR_OK) {
1276                 g_critical("Failed to start session.");
1277                 sr_session_destroy();
1278                 return;
1279         }
1280
1281         if (opt_continuous)
1282                 add_anykey();
1283
1284         sr_session_run();
1285
1286         if (opt_continuous)
1287                 clear_anykey();
1288
1289         if (opt_output_file && default_output_format) {
1290                 if (sr_session_save(opt_output_file) != SR_OK)
1291                         g_critical("Failed to save session.");
1292         }
1293         sr_session_destroy();
1294 }
1295
1296 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
1297                    const gchar *message, gpointer cb_data)
1298 {
1299         /* Avoid compiler warnings. */
1300         (void)log_domain;
1301         (void)cb_data;
1302
1303         /*
1304          * All messages, warnings, errors etc. go to stderr (not stdout) in
1305          * order to not mess up the CLI tool data output, e.g. VCD output.
1306          */
1307         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
1308                         || opt_loglevel > SR_LOG_WARN) {
1309                 fprintf(stderr, "%s\n", message);
1310                 fflush(stderr);
1311         }
1312 }
1313
1314 int main(int argc, char **argv)
1315 {
1316         GOptionContext *context;
1317         GError *error;
1318
1319         g_log_set_default_handler(logger, NULL);
1320
1321         error = NULL;
1322         context = g_option_context_new(NULL);
1323         g_option_context_add_main_entries(context, optargs, NULL);
1324
1325         if (!g_option_context_parse(context, &argc, &argv, &error)) {
1326                 g_critical("%s", error->message);
1327                 return 1;
1328         }
1329
1330         /* Set the loglevel (amount of messages to output) for libsigrok. */
1331         if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
1332                 return 1;
1333
1334         /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
1335         if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
1336                 return 1;
1337
1338         if (sr_init() != SR_OK)
1339                 return 1;
1340
1341         if (opt_pds) {
1342                 if (srd_init(NULL) != SRD_OK)
1343                         return 1;
1344                 if (register_pds(NULL, opt_pds) != 0)
1345                         return 1;
1346                 if (srd_pd_output_callback_add(SRD_OUTPUT_ANN,
1347                                 show_pd_annotations, NULL) != SRD_OK)
1348                         return 1;
1349                 if (setup_pd_stack() != 0)
1350                         return 1;
1351                 if (setup_pd_annotations() != 0)
1352                         return 1;
1353         }
1354
1355         if (setup_output_format() != 0)
1356                 return 1;
1357
1358         if (opt_version)
1359                 show_version();
1360         else if (opt_list_devs)
1361                 show_dev_list();
1362         else if (opt_input_file)
1363                 load_input_file();
1364         else if (opt_samples || opt_time || opt_frames || opt_continuous)
1365                 run_session();
1366         else if (opt_dev)
1367                 show_dev_detail();
1368         else if (opt_pds)
1369                 show_pd_detail();
1370         else
1371                 printf("%s", g_option_context_get_help(context, TRUE, NULL));
1372
1373         if (opt_pds)
1374                 srd_exit();
1375
1376         g_option_context_free(context);
1377         sr_exit();
1378
1379         return 0;
1380 }