b191f0caa2715c921ad81b26668c888f8eda7d27
[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", SC_PACKAGE_VERSION_STRING);
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_key_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_key_info_get(SR_KEY_CONFIG, 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_key_info_get(SR_KEY_CONFIG, 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_key_info *srci, *srmqi, *srmqfi;
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, mask, cur_low, cur_high, cur_p, cur_q;
275         const uint32_t *opts;
276         const int32_t *int32;
277         uint32_t key, o, cur_mq, mq;
278         uint64_t cur_mqflags, mqflags;
279         unsigned int num_devices, i, j;
280         char *tmp_str, *s, c;
281         const char **stropts;
282
283         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
284                 /* A driver was specified, report driver-wide options now. */
285                 show_drv_detail(driver_from_opt);
286         }
287
288         if (!(devices = device_scan())) {
289                 g_critical("No devices found.");
290                 return;
291         }
292
293         num_devices = g_slist_length(devices);
294         if (num_devices > 1) {
295                 g_critical("%d devices found. Use --scan to show them, "
296                                 "and select one to show.", num_devices);
297                 return;
298         }
299
300         sdi = devices->data;
301         g_slist_free(devices);
302         print_dev_line(sdi);
303
304         driver = sr_dev_inst_driver_get(sdi);
305         channel_groups = sr_dev_inst_channel_groups_get(sdi);
306
307         if (sr_dev_open(sdi) != SR_OK) {
308                 g_critical("Failed to open device.");
309                 return;
310         }
311
312         /*
313          * Selected channels and channel group may affect which options are
314          * returned, or which values for them.
315          */
316         select_channels(sdi);
317         channel_group = select_channel_group(sdi);
318
319         if (sr_config_list(driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
320                         &gvar_opts) != SR_OK)
321                 /* Driver supports no device instance options. */
322                 return;
323
324         if (channel_groups) {
325                 printf("Channel groups:\n");
326                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
327                         cg = cgl->data;
328                         printf("    %s: channel%s", cg->name,
329                                         g_slist_length(cg->channels) > 1 ? "s" : "");
330                         for (chl = cg->channels; chl; chl = chl->next) {
331                                 ch = chl->data;
332                                 printf(" %s", ch->name);
333                         }
334                         printf("\n");
335                 }
336         }
337
338         printf("Supported configuration options");
339         if (channel_groups) {
340                 if (!channel_group)
341                         printf(" across all channel groups");
342                 else
343                         printf(" on channel group %s", channel_group->name);
344         }
345         printf(":\n");
346         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
347         for (o = 0; o < num_opts; o++) {
348                 key = opts[o] & SR_CONF_MASK;
349                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key)))
350                         continue;
351
352                 if (key == SR_CONF_TRIGGER_MATCH) {
353                         if (maybe_config_list(driver, sdi, channel_group, key,
354                                         &gvar_list) != SR_OK) {
355                                 printf("\n");
356                                 continue;
357                         }
358                         int32 = g_variant_get_fixed_array(gvar_list,
359                                         &num_elements, sizeof(int32_t));
360                         printf("    Supported triggers: ");
361                         for (i = 0; i < num_elements; i++) {
362                                 switch (int32[i]) {
363                                 case SR_TRIGGER_ZERO:
364                                         c = '0';
365                                         break;
366                                 case SR_TRIGGER_ONE:
367                                         c = '1';
368                                         break;
369                                 case SR_TRIGGER_RISING:
370                                         c = 'r';
371                                         break;
372                                 case SR_TRIGGER_FALLING:
373                                         c = 'f';
374                                         break;
375                                 case SR_TRIGGER_EDGE:
376                                         c = 'e';
377                                         break;
378                                 case SR_TRIGGER_OVER:
379                                         c = 'o';
380                                         break;
381                                 case SR_TRIGGER_UNDER:
382                                         c = 'u';
383                                         break;
384                                 default:
385                                         c = 0;
386                                         break;
387                                 }
388                                 if (c)
389                                         printf("%c ", c);
390                         }
391                         printf("\n");
392                         g_variant_unref(gvar_list);
393
394                 } else if (key == SR_CONF_LIMIT_SAMPLES
395                                 && config_key_has_cap(driver, sdi, NULL, key, SR_CONF_LIST)) {
396                         /*
397                          * If implemented in config_list(), this denotes the
398                          * maximum number of samples a device can send. This
399                          * really applies only to logic analyzers, and then
400                          * only to those that don't support compression, or
401                          * have it turned off by default. The values returned
402                          * are the low/high limits.
403                          */
404                         if (sr_config_list(driver, sdi, channel_group, key,
405                                         &gvar) == SR_OK) {
406                                 g_variant_get(gvar, "(tt)", &low, &high);
407                                 g_variant_unref(gvar);
408                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
409                         }
410
411                 } else if (key == SR_CONF_SAMPLERATE) {
412                         /* Supported samplerates */
413                         printf("    %s", srci->id);
414                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
415                                         &gvar_dict) != SR_OK) {
416                                 printf("\n");
417                                 continue;
418                         }
419                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
420                                         "samplerates", G_VARIANT_TYPE("at")))) {
421                                 uint64 = g_variant_get_fixed_array(gvar_list,
422                                                 &num_elements, sizeof(uint64_t));
423                                 printf(" - supported samplerates:\n");
424                                 for (i = 0; i < num_elements; i++) {
425                                         if (!(s = sr_samplerate_string(uint64[i])))
426                                                 continue;
427                                         printf("      %s\n", s);
428                                         g_free(s);
429                                 }
430                                 g_variant_unref(gvar_list);
431                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
432                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
433                                 uint64 = g_variant_get_fixed_array(gvar_list,
434                                                 &num_elements, sizeof(uint64_t));
435                                 /* low */
436                                 if (!(s = sr_samplerate_string(uint64[0])))
437                                         continue;
438                                 printf(" (%s", s);
439                                 g_free(s);
440                                 /* high */
441                                 if (!(s = sr_samplerate_string(uint64[1])))
442                                         continue;
443                                 printf(" - %s", s);
444                                 g_free(s);
445                                 /* step */
446                                 if (!(s = sr_samplerate_string(uint64[2])))
447                                         continue;
448                                 printf(" in steps of %s)\n", s);
449                                 g_free(s);
450                                 g_variant_unref(gvar_list);
451                         }
452                         g_variant_unref(gvar_dict);
453
454                 } else if (srci->datatype == SR_T_UINT64) {
455                         printf("    %s: ", srci->id);
456                         gvar = NULL;
457                         if (maybe_config_get(driver, sdi, channel_group, key,
458                                         &gvar) == SR_OK) {
459                                 tmp_uint64 = g_variant_get_uint64(gvar);
460                                 g_variant_unref(gvar);
461                         } else
462                                 tmp_uint64 = 0;
463                         if (maybe_config_list(driver, sdi, channel_group,
464                                         key, &gvar_list) != SR_OK) {
465                                 if (gvar) {
466                                         /* Can't list it, but we have a value to show. */
467                                         printf("%"PRIu64" (current)", tmp_uint64);
468                                 }
469                                 printf("\n");
470                                 continue;
471                         }
472                         uint64 = g_variant_get_fixed_array(gvar_list,
473                                         &num_elements, sizeof(uint64_t));
474                         printf(" - supported values:\n");
475                         for (i = 0; i < num_elements; i++) {
476                                 printf("      %"PRIu64, uint64[i]);
477                                 if (gvar && tmp_uint64 == uint64[i])
478                                         printf(" (current)");
479                                 printf("\n");
480                         }
481                         g_variant_unref(gvar_list);
482
483                 } else if (srci->datatype == SR_T_STRING) {
484                         printf("    %s: ", srci->id);
485                         if (maybe_config_get(driver, sdi, channel_group, key,
486                                         &gvar) == SR_OK) {
487                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
488                                 g_variant_unref(gvar);
489                         } else
490                                 tmp_str = NULL;
491
492                         if (maybe_config_list(driver, sdi, channel_group, key,
493                                         &gvar) != SR_OK) {
494                                 if (tmp_str) {
495                                         /* Can't list it, but we have a value to show. */
496                                         printf("%s (current)", tmp_str);
497                                 }
498                                 printf("\n");
499                                 g_free(tmp_str);
500                                 continue;
501                         }
502
503                         stropts = g_variant_get_strv(gvar, &num_elements);
504                         for (i = 0; i < num_elements; i++) {
505                                 if (i)
506                                         printf(", ");
507                                 printf("%s", stropts[i]);
508                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
509                                         printf(" (current)");
510                         }
511                         printf("\n");
512                         g_free(stropts);
513                         g_free(tmp_str);
514                         g_variant_unref(gvar);
515
516                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
517                         printf("    %s: ", srci->id);
518                         if (maybe_config_list(driver, sdi, channel_group, key,
519                                         &gvar_list) != SR_OK) {
520                                 printf("\n");
521                                 continue;
522                         }
523
524                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
525                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
526                                 g_variant_unref(gvar);
527                         } else {
528                                 cur_low = 0;
529                                 cur_high = 0;
530                         }
531
532                         num_elements = g_variant_n_children(gvar_list);
533                         for (i = 0; i < num_elements; i++) {
534                                 gvar = g_variant_get_child_value(gvar_list, i);
535                                 g_variant_get(gvar, "(tt)", &low, &high);
536                                 g_variant_unref(gvar);
537                                 if (i)
538                                         printf(", ");
539                                 printf("%"PRIu64"-%"PRIu64, low, high);
540                                 if (low == cur_low && high == cur_high)
541                                         printf(" (current)");
542                         }
543                         printf("\n");
544                         g_variant_unref(gvar_list);
545
546                 } else if (srci->datatype == SR_T_BOOL) {
547                         printf("    %s: ", srci->id);
548                         if (maybe_config_get(driver, sdi, channel_group, key,
549                                         &gvar) == SR_OK) {
550                                 if (g_variant_get_boolean(gvar))
551                                         printf("on (current), off\n");
552                                 else
553                                         printf("on, off (current)\n");
554                                 g_variant_unref(gvar);
555                         } else
556                                 printf("on, off\n");
557
558                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
559                         printf("    %s: ", srci->id);
560                         if (maybe_config_list(driver, sdi, channel_group, key,
561                                         &gvar_list) != SR_OK) {
562                                 printf("\n");
563                                 continue;
564                         }
565
566                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
567                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
568                                 g_variant_unref(gvar);
569                         } else {
570                                 dcur_low = 0;
571                                 dcur_high = 0;
572                         }
573
574                         num_elements = g_variant_n_children(gvar_list);
575                         for (i = 0; i < num_elements; i++) {
576                                 gvar = g_variant_get_child_value(gvar_list, i);
577                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
578                                 g_variant_unref(gvar);
579                                 if (i)
580                                         printf(", ");
581                                 printf("%.1f-%.1f", dlow, dhigh);
582                                 if (dlow == dcur_low && dhigh == dcur_high)
583                                         printf(" (current)");
584                         }
585                         printf("\n");
586                         g_variant_unref(gvar_list);
587
588                 } else if (srci->datatype == SR_T_FLOAT) {
589                         printf("    %s: ", srci->id);
590                         if (maybe_config_get(driver, sdi, channel_group, key,
591                                         &gvar) == SR_OK) {
592                                 printf("%f\n", g_variant_get_double(gvar));
593                                 g_variant_unref(gvar);
594                         } else
595                                 printf("\n");
596
597                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
598                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
599                         printf("    %s", srci->id);
600                         if (maybe_config_get(driver, sdi, channel_group, key,
601                                         &gvar) == SR_OK) {
602                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
603                                 g_variant_unref(gvar);
604                         } else
605                                 cur_p = cur_q = 0;
606
607                         if (maybe_config_list(driver, sdi, channel_group,
608                                         key, &gvar_list) != SR_OK) {
609                                 printf("\n");
610                                 continue;
611                         }
612                         printf(" - supported values:\n");
613                         num_elements = g_variant_n_children(gvar_list);
614                         for (i = 0; i < num_elements; i++) {
615                                 gvar = g_variant_get_child_value(gvar_list, i);
616                                 g_variant_get(gvar, "(tt)", &p, &q);
617                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
618                                         s = sr_period_string(p * q);
619                                 else
620                                         s = sr_voltage_string(p, q);
621                                 printf("      %s", s);
622                                 g_free(s);
623                                 if (p == cur_p && q == cur_q)
624                                         printf(" (current)");
625                                 printf("\n");
626                         }
627                         g_variant_unref(gvar_list);
628
629                 } else if (srci->datatype == SR_T_MQ) {
630                         printf("    %s: ", srci->id);
631                         if (maybe_config_get(driver, sdi, channel_group, key,
632                                         &gvar) == SR_OK
633                                         && g_variant_is_of_type(gvar, G_VARIANT_TYPE_TUPLE)
634                                         && g_variant_n_children(gvar) == 2) {
635                                 g_variant_get(gvar, "(ut)", &cur_mq, &cur_mqflags);
636                                 g_variant_unref(gvar);
637                         } else
638                                 cur_mq = cur_mqflags = 0;
639
640                         if (maybe_config_list(driver, sdi, channel_group,
641                                         key, &gvar_list) != SR_OK) {
642                                 printf("\n");
643                                 continue;
644                         }
645                         printf(" - supported measurements:\n");
646                         num_elements = g_variant_n_children(gvar_list);
647                         for (i = 0; i < num_elements; i++) {
648                                 printf("      ");
649                                 gvar = g_variant_get_child_value(gvar_list, i);
650                                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
651                                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
652                                         printf("%s", srmqi->id);
653                                 else
654                                         printf("%d", mq);
655                                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
656                                         if (!(mqflags & mask))
657                                                 continue;
658                                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
659                                                 printf("/%s", srmqfi->id);
660                                         else
661                                                 printf("/%ld", mqflags & mask);
662                                 }
663                                 if (mq == cur_mq && mqflags == cur_mqflags)
664                                         printf(" (current)");
665                                 printf("\n");
666                         }
667                         g_variant_unref(gvar_list);
668
669                 } else {
670
671                         /* Everything else */
672                         printf("    %s\n", srci->id);
673                 }
674         }
675         g_variant_unref(gvar_opts);
676
677         sr_dev_close(sdi);
678
679 }
680
681 #ifdef HAVE_SRD
682 void show_pd_detail(void)
683 {
684         struct srd_decoder *dec;
685         struct srd_decoder_option *o;
686         struct srd_channel *pdch;
687         struct srd_decoder_annotation_row *r;
688         GSList *l, *ll, *ol;
689         int idx;
690         char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
691
692         pdtokens = g_strsplit(opt_pds, ",", -1);
693         for (pdtok = pdtokens; *pdtok; pdtok++) {
694                 /* Strip options. */
695                 if ((optsep = strchr(*pdtok, ':')))
696                         *optsep = '\0';
697                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
698                         g_critical("Protocol decoder %s not found.", *pdtok);
699                         return;
700                 }
701                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
702                                 dec->id, dec->name, dec->longname, dec->desc);
703                 printf("License: %s\n", dec->license);
704                 printf("Annotation classes:\n");
705                 if (dec->annotations) {
706                         for (l = dec->annotations; l; l = l->next) {
707                                 ann = l->data;
708                                 printf("- %s: %s\n", ann[0], ann[1]);
709                         }
710                 } else {
711                         printf("None.\n");
712                 }
713                 printf("Annotation rows:\n");
714                 if (dec->annotation_rows) {
715                         for (l = dec->annotation_rows; l; l = l->next) {
716                                 r = l->data;
717                                 printf("- %s (%s): ", r->id, r->desc);
718                                 for (ll = r->ann_classes; ll; ll = ll->next) {
719                                         idx = GPOINTER_TO_INT(ll->data);
720                                         ann = g_slist_nth_data(dec->annotations, idx);
721                                         printf("%s", ann[0]);
722                                         if (ll->next)
723                                                 printf(", ");
724                                 }
725                                 printf("\n");
726                         }
727                 } else {
728                         printf("None.\n");
729                 }
730                 printf("Required channels:\n");
731                 if (dec->channels) {
732                         for (l = dec->channels; l; l = l->next) {
733                                 pdch = l->data;
734                                 printf("- %s (%s): %s\n",
735                                        pdch->id, pdch->name, pdch->desc);
736                         }
737                 } else {
738                         printf("None.\n");
739                 }
740                 printf("Optional channels:\n");
741                 if (dec->opt_channels) {
742                         for (l = dec->opt_channels; l; l = l->next) {
743                                 pdch = l->data;
744                                 printf("- %s (%s): %s\n",
745                                        pdch->id, pdch->name, pdch->desc);
746                         }
747                 } else {
748                         printf("None.\n");
749                 }
750                 printf("Options:\n");
751                 if (dec->options) {
752                         for (l = dec->options; l; l = l->next) {
753                                 o = l->data;
754                                 printf("- %s: %s (", o->id, o->desc);
755                                 for (ol = o->values; ol; ol = ol->next) {
756                                         val = g_variant_print(ol->data, FALSE);
757                                         printf("%s, ", val);
758                                         g_free(val);
759                                 }
760                                 val = g_variant_print(o->def, FALSE);
761                                 printf("default %s)\n", val);
762                                 g_free(val);
763                         }
764                 } else {
765                         printf("None.\n");
766                 }
767                 if ((doc = srd_decoder_doc_get(dec))) {
768                         printf("Documentation:\n%s\n",
769                                doc[0] == '\n' ? doc + 1 : doc);
770                         g_free(doc);
771                 }
772         }
773
774         g_strfreev(pdtokens);
775 }
776 #endif
777
778 void show_input(void)
779 {
780         const struct sr_input_module *imod;
781         const struct sr_option **opts;
782         GSList *l;
783         int i;
784         char *s, **tok;
785
786         tok = g_strsplit(opt_input_format, ":", 0);
787         if (!tok[0] || !(imod = sr_input_find(tok[0])))
788                 g_critical("Input module '%s' not found.", opt_input_format);
789
790         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
791                         sr_input_name_get(imod));
792         printf("Description: %s\n", sr_input_description_get(imod));
793         if ((opts = sr_input_options_get(imod))) {
794                 printf("Options:\n");
795                 for (i = 0; opts[i]; i++) {
796                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
797                         if (opts[i]->def) {
798                                 s = g_variant_print(opts[i]->def, FALSE);
799                                 printf(" (default %s", s);
800                                 g_free(s);
801                                 if (opts[i]->values) {
802                                         printf(", possible values ");
803                                         for (l = opts[i]->values; l; l = l->next) {
804                                                 s = g_variant_print((GVariant *)l->data, FALSE);
805                                                 printf("%s%s", s, l->next ? ", " : "");
806                                                 g_free(s);
807                                         }
808                                 }
809                                 printf(")");
810                         }
811                         printf("\n");
812                 }
813                 sr_input_options_free(opts);
814         }
815         g_strfreev(tok);
816 }
817
818 void show_output(void)
819 {
820         const struct sr_output_module *omod;
821         const struct sr_option **opts;
822         GSList *l;
823         int i;
824         char *s, **tok;
825
826         tok = g_strsplit(opt_output_format, ":", 0);
827         if (!tok[0] || !(omod = sr_output_find(tok[0])))
828                 g_critical("Output module '%s' not found.", opt_output_format);
829
830         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
831                         sr_output_name_get(omod));
832         printf("Description: %s\n", sr_output_description_get(omod));
833         if ((opts = sr_output_options_get(omod))) {
834                 printf("Options:\n");
835                 for (i = 0; opts[i]; i++) {
836                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
837                         if (opts[i]->def) {
838                                 s = g_variant_print(opts[i]->def, FALSE);
839                                 printf(" (default %s", s);
840                                 g_free(s);
841                                 if (opts[i]->values) {
842                                         printf(", possible values ");
843                                         for (l = opts[i]->values; l; l = l->next) {
844                                                 s = g_variant_print((GVariant *)l->data, FALSE);
845                                                 printf("%s%s", s, l->next ? ", " : "");
846                                                 g_free(s);
847                                         }
848                                 }
849                                 printf(")");
850                         }
851                         printf("\n");
852                 }
853                 sr_output_options_free(opts);
854         }
855         g_strfreev(tok);
856 }
857
858 void show_transform(void)
859 {
860         const struct sr_transform_module *tmod;
861         const struct sr_option **opts;
862         GSList *l;
863         int i;
864         char *s, **tok;
865
866         tok = g_strsplit(opt_transform_module, ":", 0);
867         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
868                 g_critical("Transform module '%s' not found.", opt_transform_module);
869
870         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
871                         sr_transform_name_get(tmod));
872         printf("Description: %s\n", sr_transform_description_get(tmod));
873         if ((opts = sr_transform_options_get(tmod))) {
874                 printf("Options:\n");
875                 for (i = 0; opts[i]; i++) {
876                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
877                         if (opts[i]->def) {
878                                 s = g_variant_print(opts[i]->def, FALSE);
879                                 printf(" (default %s", s);
880                                 g_free(s);
881                                 if (opts[i]->values) {
882                                         printf(", possible values ");
883                                         for (l = opts[i]->values; l; l = l->next) {
884                                                 s = g_variant_print((GVariant *)l->data, FALSE);
885                                                 printf("%s%s", s, l->next ? ", " : "");
886                                                 g_free(s);
887                                         }
888                                 }
889                                 printf(")");
890                         }
891                         printf("\n");
892                 }
893                 sr_transform_options_free(opts);
894         }
895         g_strfreev(tok);
896 }