aec61f142d7aff4a90a38e32a4b80ad56fb45f2d
[sigrok-cli.git] / show.c
1 /*
2  * This file is part of the sigrok-cli project.
3  *
4  * Copyright (C) 2013 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 <glib.h>
21 #include <string.h>
22 #include "sigrok-cli.h"
23
24 static gint sort_inputs(gconstpointer a, gconstpointer b)
25 {
26         return strcmp(sr_input_id_get((struct sr_input_module *)a),
27                         sr_input_id_get((struct sr_input_module *)b));
28 }
29
30 static gint sort_outputs(gconstpointer a, gconstpointer b)
31 {
32         return strcmp(sr_output_id_get((struct sr_output_module *)a),
33                         sr_output_id_get((struct sr_output_module *)b));
34 }
35
36 static gint sort_transforms(gconstpointer a, gconstpointer b)
37 {
38         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
39                         sr_transform_id_get((struct sr_transform_module *)b));
40 }
41
42 static gint sort_drivers(gconstpointer a, gconstpointer b)
43 {
44         const struct sr_dev_driver *sdda = a, *sddb = b;
45
46         return strcmp(sdda->name, sddb->name);
47 }
48
49 #ifdef HAVE_SRD
50 static gint sort_pds(gconstpointer a, gconstpointer b)
51 {
52         const struct srd_decoder *sda = a, *sdb = b;
53
54         return strcmp(sda->id, sdb->id);
55 }
56 #endif
57
58 void show_version(void)
59 {
60         struct sr_dev_driver **drivers, *driver;
61         const struct sr_input_module **inputs, *input;
62         const struct sr_output_module **outputs, *output;
63         const struct sr_transform_module **transforms, *transform;
64         const GSList *l;
65         GSList *sl;
66         int i;
67 #ifdef HAVE_SRD
68         struct srd_decoder *dec;
69 #endif
70
71         printf("sigrok-cli %s\n\n", VERSION);
72
73         printf("Using libsigrok %s (lib version %s).\n",
74                sr_package_version_string_get(), sr_lib_version_string_get());
75 #ifdef HAVE_SRD
76         printf("Using libsigrokdecode %s (lib version %s).\n\n",
77                srd_package_version_string_get(), srd_lib_version_string_get());
78 #endif
79
80         printf("Supported hardware drivers:\n");
81         drivers = sr_driver_list(sr_ctx);
82         for (sl = NULL, i = 0; drivers[i]; i++)
83                 sl = g_slist_append(sl, drivers[i]);
84         sl = g_slist_sort(sl, sort_drivers);
85         for (l = sl; l; l = l->next) {
86                 driver = l->data;
87                 printf("  %-20s %s\n", driver->name, driver->longname);
88         }
89         printf("\n");
90         g_slist_free(sl);
91
92         printf("Supported input formats:\n");
93         inputs = sr_input_list();
94         for (sl = NULL, i = 0; inputs[i]; i++)
95                 sl = g_slist_append(sl, (gpointer)inputs[i]);
96         sl = g_slist_sort(sl, sort_inputs);
97         for (l = sl; l; l = l->next) {
98                 input = l->data;
99                 printf("  %-20s %s\n", sr_input_id_get(input),
100                                 sr_input_description_get(input));
101         }
102         printf("\n");
103         g_slist_free(sl);
104
105         printf("Supported output formats:\n");
106         outputs = sr_output_list();
107         for (sl = NULL, i = 0; outputs[i]; i++)
108                 sl = g_slist_append(sl, (gpointer)outputs[i]);
109         sl = g_slist_sort(sl, sort_outputs);
110         for (l = sl; l; l = l->next) {
111                 output = l->data;
112                 printf("  %-20s %s\n", sr_output_id_get(output),
113                                 sr_output_description_get(output));
114         }
115         printf("\n");
116         g_slist_free(sl);
117
118         printf("Supported transform modules:\n");
119         transforms = sr_transform_list();
120         for (sl = NULL, i = 0; transforms[i]; i++)
121                 sl = g_slist_append(sl, (gpointer)transforms[i]);
122         sl = g_slist_sort(sl, sort_transforms);
123         for (l = sl; l; l = l->next) {
124                 transform = l->data;
125                 printf("  %-20s %s\n", sr_transform_id_get(transform),
126                                 sr_transform_description_get(transform));
127         }
128         printf("\n");
129         g_slist_free(sl);
130
131 #ifdef HAVE_SRD
132         if (srd_init(NULL) == SRD_OK) {
133                 printf("Supported protocol decoders:\n");
134                 srd_decoder_load_all();
135                 sl = g_slist_copy((GSList *)srd_decoder_list());
136                 sl = g_slist_sort(sl, sort_pds);
137                 for (l = sl; l; l = l->next) {
138                         dec = l->data;
139                         printf("  %-20s %s\n", dec->id, dec->longname);
140                         /* Print protocol description upon "-l 3" or higher. */
141                         if (opt_loglevel >= SR_LOG_INFO)
142                                 printf("  %-20s %s\n", "", dec->desc);
143                 }
144                 g_slist_free(sl);
145                 srd_exit();
146         }
147         printf("\n");
148 #endif
149 }
150
151 static gint sort_channels(gconstpointer a, gconstpointer b)
152 {
153         const struct sr_channel *pa = a, *pb = b;
154
155         return pa->index - pb->index;
156 }
157
158 static void print_dev_line(const struct sr_dev_inst *sdi)
159 {
160         struct sr_channel *ch;
161         GSList *sl, *l, *channels;
162         GString *s;
163         GVariant *gvar;
164         struct sr_dev_driver *driver;
165         const char *vendor, *model, *version;
166
167         driver = sr_dev_inst_driver_get(sdi);
168         vendor = sr_dev_inst_vendor_get(sdi);
169         model = sr_dev_inst_model_get(sdi);
170         version = sr_dev_inst_version_get(sdi);
171         channels = sr_dev_inst_channels_get(sdi);
172
173         s = g_string_sized_new(128);
174         g_string_assign(s, driver->name);
175         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
176                 g_string_append(s, ":conn=");
177                 g_string_append(s, g_variant_get_string(gvar, NULL));
178                 g_variant_unref(gvar);
179         }
180         g_string_append(s, " - ");
181         if (vendor && vendor[0])
182                 g_string_append_printf(s, "%s ", vendor);
183         if (model && model[0])
184                 g_string_append_printf(s, "%s ", model);
185         if (version && version[0])
186                 g_string_append_printf(s, "%s ", version);
187         if (channels) {
188                 if (g_slist_length(channels) == 1) {
189                         ch = channels->data;
190                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
191                 } else {
192                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
193                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
194                         for (l = sl; l; l = l->next) {
195                                 ch = l->data;
196                                 g_string_append_printf(s, " %s", ch->name);
197                         }
198                         g_slist_free(sl);
199                 }
200         }
201         g_string_append_printf(s, "\n");
202         printf("%s", s->str);
203         g_string_free(s, TRUE);
204
205 }
206
207 void show_dev_list(void)
208 {
209         struct sr_dev_inst *sdi;
210         GSList *devices, *l;
211
212         if (!(devices = device_scan()))
213                 return;
214
215         printf("The following devices were found:\n");
216         for (l = devices; l; l = l->next) {
217                 sdi = l->data;
218                 print_dev_line(sdi);
219         }
220         g_slist_free(devices);
221
222 }
223
224 void show_drv_detail(struct sr_dev_driver *driver)
225 {
226         const struct sr_config_info *srci;
227         GVariant *gvar_opts;
228         const uint32_t *opts;
229         gsize num_elements, i;
230
231         if (sr_config_list(driver, NULL, NULL, SR_CONF_DEVICE_OPTIONS,
232                         &gvar_opts) == SR_OK) {
233                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
234                                 sizeof(uint32_t));
235                 if (num_elements) {
236                         printf("Driver functions:\n");
237                         for (i = 0; i < num_elements; i++) {
238                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
239                                         continue;
240                                 printf("    %s\n", srci->name);
241                         }
242                 }
243                 g_variant_unref(gvar_opts);
244         }
245
246         if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
247                         &gvar_opts) == SR_OK) {
248                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
249                                 sizeof(uint32_t));
250                 if (num_elements) {
251                         printf("Scan options:\n");
252                         for (i = 0; i < num_elements; i++) {
253                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
254                                         continue;
255                                 printf("    %s\n", srci->id);
256                         }
257                 }
258                 g_variant_unref(gvar_opts);
259         }
260 }
261
262 void show_dev_detail(void)
263 {
264         struct sr_dev_driver *driver_from_opt, *driver;
265         struct sr_dev_inst *sdi;
266         const struct sr_config_info *srci;
267         struct sr_channel *ch;
268         struct sr_channel_group *channel_group, *cg;
269         GSList *devices, *cgl, *chl, *channel_groups;
270         GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
271         gsize num_opts, num_elements;
272         double dlow, dhigh, dcur_low, dcur_high;
273         const uint64_t *uint64, p, q, low, high;
274         uint64_t tmp_uint64, cur_low, cur_high, cur_p, cur_q;
275         const uint32_t *opts;
276         const int32_t *int32;
277         uint32_t key, o;
278         unsigned int num_devices, i;
279         char *tmp_str, *s, c;
280         const char **stropts;
281
282         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
283                 /* A driver was specified, report driver-wide options now. */
284                 show_drv_detail(driver_from_opt);
285         }
286
287         if (!(devices = device_scan())) {
288                 g_critical("No devices found.");
289                 return;
290         }
291
292         num_devices = g_slist_length(devices);
293         if (num_devices > 1) {
294                 g_critical("%d devices found. Use --scan to show them, "
295                                 "and select one to show.", num_devices);
296                 return;
297         }
298
299         sdi = devices->data;
300         g_slist_free(devices);
301         print_dev_line(sdi);
302
303         driver = sr_dev_inst_driver_get(sdi);
304         channel_groups = sr_dev_inst_channel_groups_get(sdi);
305
306         if (sr_dev_open(sdi) != SR_OK) {
307                 g_critical("Failed to open device.");
308                 return;
309         }
310
311         /*
312          * Selected channels and channel group may affect which options are
313          * returned, or which values for them.
314          */
315         select_channels(sdi);
316         channel_group = select_channel_group(sdi);
317
318         if (sr_config_list(driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
319                         &gvar_opts) != SR_OK)
320                 /* Driver supports no device instance options. */
321                 return;
322
323         if (channel_groups) {
324                 printf("Channel groups:\n");
325                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
326                         cg = cgl->data;
327                         printf("    %s: channel%s", cg->name,
328                                         g_slist_length(cg->channels) > 1 ? "s" : "");
329                         for (chl = cg->channels; chl; chl = chl->next) {
330                                 ch = chl->data;
331                                 printf(" %s", ch->name);
332                         }
333                         printf("\n");
334                 }
335         }
336
337         printf("Supported configuration options");
338         if (channel_groups) {
339                 if (!channel_group)
340                         printf(" across all channel groups");
341                 else
342                         printf(" on channel group %s", channel_group->name);
343         }
344         printf(":\n");
345         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
346         for (o = 0; o < num_opts; o++) {
347                 key = opts[o] & SR_CONF_MASK;
348                 if (!(srci = sr_config_info_get(key)))
349                         continue;
350
351                 if (key == SR_CONF_TRIGGER_MATCH) {
352                         if (maybe_config_list(driver, sdi, channel_group, key,
353                                         &gvar_list) != SR_OK) {
354                                 printf("\n");
355                                 continue;
356                         }
357                         int32 = g_variant_get_fixed_array(gvar_list,
358                                         &num_elements, sizeof(int32_t));
359                         printf("    Supported triggers: ");
360                         for (i = 0; i < num_elements; i++) {
361                                 switch (int32[i]) {
362                                 case SR_TRIGGER_ZERO:
363                                         c = '0';
364                                         break;
365                                 case SR_TRIGGER_ONE:
366                                         c = '1';
367                                         break;
368                                 case SR_TRIGGER_RISING:
369                                         c = 'r';
370                                         break;
371                                 case SR_TRIGGER_FALLING:
372                                         c = 'f';
373                                         break;
374                                 case SR_TRIGGER_EDGE:
375                                         c = 'e';
376                                         break;
377                                 case SR_TRIGGER_OVER:
378                                         c = 'o';
379                                         break;
380                                 case SR_TRIGGER_UNDER:
381                                         c = 'u';
382                                         break;
383                                 default:
384                                         c = 0;
385                                         break;
386                                 }
387                                 if (c)
388                                         printf("%c ", c);
389                         }
390                         printf("\n");
391                         g_variant_unref(gvar_list);
392
393                 } else if (key == SR_CONF_LIMIT_SAMPLES
394                                 && config_key_has_cap(driver, sdi, NULL, key, SR_CONF_LIST)) {
395                         /*
396                          * If implemented in config_list(), this denotes the
397                          * maximum number of samples a device can send. This
398                          * really applies only to logic analyzers, and then
399                          * only to those that don't support compression, or
400                          * have it turned off by default. The values returned
401                          * are the low/high limits.
402                          */
403                         if (sr_config_list(driver, sdi, channel_group, key,
404                                         &gvar) == SR_OK) {
405                                 g_variant_get(gvar, "(tt)", &low, &high);
406                                 g_variant_unref(gvar);
407                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
408                         }
409
410                 } else if (key == SR_CONF_SAMPLERATE) {
411                         /* Supported samplerates */
412                         printf("    %s", srci->id);
413                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
414                                         &gvar_dict) != SR_OK) {
415                                 printf("\n");
416                                 continue;
417                         }
418                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
419                                         "samplerates", G_VARIANT_TYPE("at")))) {
420                                 uint64 = g_variant_get_fixed_array(gvar_list,
421                                                 &num_elements, sizeof(uint64_t));
422                                 printf(" - supported samplerates:\n");
423                                 for (i = 0; i < num_elements; i++) {
424                                         if (!(s = sr_samplerate_string(uint64[i])))
425                                                 continue;
426                                         printf("      %s\n", s);
427                                         g_free(s);
428                                 }
429                                 g_variant_unref(gvar_list);
430                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
431                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
432                                 uint64 = g_variant_get_fixed_array(gvar_list,
433                                                 &num_elements, sizeof(uint64_t));
434                                 /* low */
435                                 if (!(s = sr_samplerate_string(uint64[0])))
436                                         continue;
437                                 printf(" (%s", s);
438                                 g_free(s);
439                                 /* high */
440                                 if (!(s = sr_samplerate_string(uint64[1])))
441                                         continue;
442                                 printf(" - %s", s);
443                                 g_free(s);
444                                 /* step */
445                                 if (!(s = sr_samplerate_string(uint64[2])))
446                                         continue;
447                                 printf(" in steps of %s)\n", s);
448                                 g_free(s);
449                                 g_variant_unref(gvar_list);
450                         }
451                         g_variant_unref(gvar_dict);
452
453                 } else if (srci->datatype == SR_T_UINT64) {
454                         printf("    %s: ", srci->id);
455                         gvar = NULL;
456                         if (maybe_config_get(driver, sdi, channel_group, key,
457                                         &gvar) == SR_OK) {
458                                 tmp_uint64 = g_variant_get_uint64(gvar);
459                                 g_variant_unref(gvar);
460                         } else
461                                 tmp_uint64 = 0;
462                         if (maybe_config_list(driver, sdi, channel_group,
463                                         key, &gvar_list) != SR_OK) {
464                                 if (gvar) {
465                                         /* Can't list it, but we have a value to show. */
466                                         printf("%"PRIu64" (current)", tmp_uint64);
467                                 }
468                                 printf("\n");
469                                 continue;
470                         }
471                         uint64 = g_variant_get_fixed_array(gvar_list,
472                                         &num_elements, sizeof(uint64_t));
473                         printf(" - supported values:\n");
474                         for (i = 0; i < num_elements; i++) {
475                                 printf("      %"PRIu64, uint64[i]);
476                                 if (gvar && tmp_uint64 == uint64[i])
477                                         printf(" (current)");
478                                 printf("\n");
479                         }
480                         g_variant_unref(gvar_list);
481
482                 } else if (srci->datatype == SR_T_STRING) {
483                         printf("    %s: ", srci->id);
484                         if (maybe_config_get(driver, sdi, channel_group, key,
485                                         &gvar) == SR_OK) {
486                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
487                                 g_variant_unref(gvar);
488                         } else
489                                 tmp_str = NULL;
490
491                         if (maybe_config_list(driver, sdi, channel_group, key,
492                                         &gvar) != SR_OK) {
493                                 if (tmp_str) {
494                                         /* Can't list it, but we have a value to show. */
495                                         printf("%s (current)", tmp_str);
496                                 }
497                                 printf("\n");
498                                 g_free(tmp_str);
499                                 continue;
500                         }
501
502                         stropts = g_variant_get_strv(gvar, &num_elements);
503                         for (i = 0; i < num_elements; i++) {
504                                 if (i)
505                                         printf(", ");
506                                 printf("%s", stropts[i]);
507                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
508                                         printf(" (current)");
509                         }
510                         printf("\n");
511                         g_free(stropts);
512                         g_free(tmp_str);
513                         g_variant_unref(gvar);
514
515                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
516                         printf("    %s: ", srci->id);
517                         if (maybe_config_list(driver, sdi, channel_group, key,
518                                         &gvar_list) != SR_OK) {
519                                 printf("\n");
520                                 continue;
521                         }
522
523                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
524                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
525                                 g_variant_unref(gvar);
526                         } else {
527                                 cur_low = 0;
528                                 cur_high = 0;
529                         }
530
531                         num_elements = g_variant_n_children(gvar_list);
532                         for (i = 0; i < num_elements; i++) {
533                                 gvar = g_variant_get_child_value(gvar_list, i);
534                                 g_variant_get(gvar, "(tt)", &low, &high);
535                                 g_variant_unref(gvar);
536                                 if (i)
537                                         printf(", ");
538                                 printf("%"PRIu64"-%"PRIu64, low, high);
539                                 if (low == cur_low && high == cur_high)
540                                         printf(" (current)");
541                         }
542                         printf("\n");
543                         g_variant_unref(gvar_list);
544
545                 } else if (srci->datatype == SR_T_BOOL) {
546                         printf("    %s: ", srci->id);
547                         if (maybe_config_get(driver, sdi, channel_group, key,
548                                         &gvar) == SR_OK) {
549                                 if (g_variant_get_boolean(gvar))
550                                         printf("on (current), off\n");
551                                 else
552                                         printf("on, off (current)\n");
553                                 g_variant_unref(gvar);
554                         } else
555                                 printf("on, off\n");
556
557                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
558                         printf("    %s: ", srci->id);
559                         if (maybe_config_list(driver, sdi, channel_group, key,
560                                         &gvar_list) != SR_OK) {
561                                 printf("\n");
562                                 continue;
563                         }
564
565                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
566                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
567                                 g_variant_unref(gvar);
568                         } else {
569                                 dcur_low = 0;
570                                 dcur_high = 0;
571                         }
572
573                         num_elements = g_variant_n_children(gvar_list);
574                         for (i = 0; i < num_elements; i++) {
575                                 gvar = g_variant_get_child_value(gvar_list, i);
576                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
577                                 g_variant_unref(gvar);
578                                 if (i)
579                                         printf(", ");
580                                 printf("%.1f-%.1f", dlow, dhigh);
581                                 if (dlow == dcur_low && dhigh == dcur_high)
582                                         printf(" (current)");
583                         }
584                         printf("\n");
585                         g_variant_unref(gvar_list);
586
587                 } else if (srci->datatype == SR_T_FLOAT) {
588                         printf("    %s: ", srci->id);
589                         if (maybe_config_get(driver, sdi, channel_group, key,
590                                         &gvar) == SR_OK) {
591                                 printf("%f\n", g_variant_get_double(gvar));
592                                 g_variant_unref(gvar);
593                         } else
594                                 printf("\n");
595
596                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
597                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
598                         printf("    %s", srci->id);
599                         if (maybe_config_get(driver, sdi, channel_group, key,
600                                         &gvar) == SR_OK) {
601                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
602                                 g_variant_unref(gvar);
603                         } else
604                                 cur_p = cur_q = 0;
605
606                         if (maybe_config_list(driver, sdi, channel_group,
607                                         key, &gvar_list) != SR_OK) {
608                                 printf("\n");
609                                 continue;
610                         }
611                         printf(" - supported values:\n");
612                         num_elements = g_variant_n_children(gvar_list);
613                         for (i = 0; i < num_elements; i++) {
614                                 gvar = g_variant_get_child_value(gvar_list, i);
615                                 g_variant_get(gvar, "(tt)", &p, &q);
616                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
617                                         s = sr_period_string(p * q);
618                                 else
619                                         s = sr_voltage_string(p, q);
620                                 printf("      %s", s);
621                                 g_free(s);
622                                 if (p == cur_p && q == cur_q)
623                                         printf(" (current)");
624                                 printf("\n");
625                         }
626                         g_variant_unref(gvar_list);
627
628                 } else {
629
630                         /* Everything else */
631                         printf("    %s\n", srci->id);
632                 }
633         }
634         g_variant_unref(gvar_opts);
635
636         sr_dev_close(sdi);
637
638 }
639
640 #ifdef HAVE_SRD
641 void show_pd_detail(void)
642 {
643         struct srd_decoder *dec;
644         struct srd_decoder_option *o;
645         struct srd_channel *pdch;
646         struct srd_decoder_annotation_row *r;
647         GSList *l, *ll, *ol;
648         int idx;
649         char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
650
651         pdtokens = g_strsplit(opt_pds, ",", -1);
652         for (pdtok = pdtokens; *pdtok; pdtok++) {
653                 /* Strip options. */
654                 if ((optsep = strchr(*pdtok, ':')))
655                         *optsep = '\0';
656                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
657                         g_critical("Protocol decoder %s not found.", *pdtok);
658                         return;
659                 }
660                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
661                                 dec->id, dec->name, dec->longname, dec->desc);
662                 printf("License: %s\n", dec->license);
663                 printf("Annotation classes:\n");
664                 if (dec->annotations) {
665                         for (l = dec->annotations; l; l = l->next) {
666                                 ann = l->data;
667                                 printf("- %s: %s\n", ann[0], ann[1]);
668                         }
669                 } else {
670                         printf("None.\n");
671                 }
672                 printf("Annotation rows:\n");
673                 if (dec->annotation_rows) {
674                         for (l = dec->annotation_rows; l; l = l->next) {
675                                 r = l->data;
676                                 printf("- %s (%s): ", r->id, r->desc);
677                                 for (ll = r->ann_classes; ll; ll = ll->next) {
678                                         idx = GPOINTER_TO_INT(ll->data);
679                                         ann = g_slist_nth_data(dec->annotations, idx);
680                                         printf("%s", ann[0]);
681                                         if (ll->next)
682                                                 printf(", ");
683                                 }
684                                 printf("\n");
685                         }
686                 } else {
687                         printf("None.\n");
688                 }
689                 printf("Required channels:\n");
690                 if (dec->channels) {
691                         for (l = dec->channels; l; l = l->next) {
692                                 pdch = l->data;
693                                 printf("- %s (%s): %s\n",
694                                        pdch->id, pdch->name, pdch->desc);
695                         }
696                 } else {
697                         printf("None.\n");
698                 }
699                 printf("Optional channels:\n");
700                 if (dec->opt_channels) {
701                         for (l = dec->opt_channels; l; l = l->next) {
702                                 pdch = l->data;
703                                 printf("- %s (%s): %s\n",
704                                        pdch->id, pdch->name, pdch->desc);
705                         }
706                 } else {
707                         printf("None.\n");
708                 }
709                 printf("Options:\n");
710                 if (dec->options) {
711                         for (l = dec->options; l; l = l->next) {
712                                 o = l->data;
713                                 printf("- %s: %s (", o->id, o->desc);
714                                 for (ol = o->values; ol; ol = ol->next) {
715                                         val = g_variant_print(ol->data, FALSE);
716                                         printf("%s, ", val);
717                                         g_free(val);
718                                 }
719                                 val = g_variant_print(o->def, FALSE);
720                                 printf("default %s)\n", val);
721                                 g_free(val);
722                         }
723                 } else {
724                         printf("None.\n");
725                 }
726                 if ((doc = srd_decoder_doc_get(dec))) {
727                         printf("Documentation:\n%s\n",
728                                doc[0] == '\n' ? doc + 1 : doc);
729                         g_free(doc);
730                 }
731         }
732
733         g_strfreev(pdtokens);
734 }
735 #endif
736
737 void show_input(void)
738 {
739         const struct sr_input_module *imod;
740         const struct sr_option **opts;
741         GSList *l;
742         int i;
743         char *s, **tok;
744
745         tok = g_strsplit(opt_input_format, ":", 0);
746         if (!tok[0] || !(imod = sr_input_find(tok[0])))
747                 g_critical("Input module '%s' not found.", opt_input_format);
748
749         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
750                         sr_input_name_get(imod));
751         printf("Description: %s\n", sr_input_description_get(imod));
752         if ((opts = sr_input_options_get(imod))) {
753                 printf("Options:\n");
754                 for (i = 0; opts[i]; i++) {
755                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
756                         if (opts[i]->def) {
757                                 s = g_variant_print(opts[i]->def, FALSE);
758                                 printf(" (default %s", s);
759                                 g_free(s);
760                                 if (opts[i]->values) {
761                                         printf(", possible values ");
762                                         for (l = opts[i]->values; l; l = l->next) {
763                                                 s = g_variant_print((GVariant *)l->data, FALSE);
764                                                 printf("%s%s", s, l->next ? ", " : "");
765                                                 g_free(s);
766                                         }
767                                 }
768                                 printf(")");
769                         }
770                         printf("\n");
771                 }
772                 sr_input_options_free(opts);
773         }
774         g_strfreev(tok);
775 }
776
777 void show_output(void)
778 {
779         const struct sr_output_module *omod;
780         const struct sr_option **opts;
781         GSList *l;
782         int i;
783         char *s, **tok;
784
785         tok = g_strsplit(opt_output_format, ":", 0);
786         if (!tok[0] || !(omod = sr_output_find(tok[0])))
787                 g_critical("Output module '%s' not found.", opt_output_format);
788
789         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
790                         sr_output_name_get(omod));
791         printf("Description: %s\n", sr_output_description_get(omod));
792         if ((opts = sr_output_options_get(omod))) {
793                 printf("Options:\n");
794                 for (i = 0; opts[i]; i++) {
795                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
796                         if (opts[i]->def) {
797                                 s = g_variant_print(opts[i]->def, FALSE);
798                                 printf(" (default %s", s);
799                                 g_free(s);
800                                 if (opts[i]->values) {
801                                         printf(", possible values ");
802                                         for (l = opts[i]->values; l; l = l->next) {
803                                                 s = g_variant_print((GVariant *)l->data, FALSE);
804                                                 printf("%s%s", s, l->next ? ", " : "");
805                                                 g_free(s);
806                                         }
807                                 }
808                                 printf(")");
809                         }
810                         printf("\n");
811                 }
812                 sr_output_options_free(opts);
813         }
814         g_strfreev(tok);
815 }
816
817 void show_transform(void)
818 {
819         const struct sr_transform_module *tmod;
820         const struct sr_option **opts;
821         GSList *l;
822         int i;
823         char *s, **tok;
824
825         tok = g_strsplit(opt_transform_module, ":", 0);
826         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
827                 g_critical("Transform module '%s' not found.", opt_transform_module);
828
829         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
830                         sr_transform_name_get(tmod));
831         printf("Description: %s\n", sr_transform_description_get(tmod));
832         if ((opts = sr_transform_options_get(tmod))) {
833                 printf("Options:\n");
834                 for (i = 0; opts[i]; i++) {
835                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
836                         if (opts[i]->def) {
837                                 s = g_variant_print(opts[i]->def, FALSE);
838                                 printf(" (default %s", s);
839                                 g_free(s);
840                                 if (opts[i]->values) {
841                                         printf(", possible values ");
842                                         for (l = opts[i]->values; l; l = l->next) {
843                                                 s = g_variant_print((GVariant *)l->data, FALSE);
844                                                 printf("%s%s", s, l->next ? ", " : "");
845                                                 g_free(s);
846                                         }
847                                 }
848                                 printf(")");
849                         }
850                         printf("\n");
851                 }
852                 sr_transform_options_free(opts);
853         }
854         g_strfreev(tok);
855 }