Installer: Place set of example .sr files in separate section
[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 <config.h>
21 #include <glib.h>
22 #include <string.h>
23 #include "sigrok-cli.h"
24
25 static gint sort_inputs(gconstpointer a, gconstpointer b)
26 {
27         return strcmp(sr_input_id_get((struct sr_input_module *)a),
28                         sr_input_id_get((struct sr_input_module *)b));
29 }
30
31 static gint sort_outputs(gconstpointer a, gconstpointer b)
32 {
33         return strcmp(sr_output_id_get((struct sr_output_module *)a),
34                         sr_output_id_get((struct sr_output_module *)b));
35 }
36
37 static gint sort_transforms(gconstpointer a, gconstpointer b)
38 {
39         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
40                         sr_transform_id_get((struct sr_transform_module *)b));
41 }
42
43 static gint sort_drivers(gconstpointer a, gconstpointer b)
44 {
45         const struct sr_dev_driver *sdda = a, *sddb = b;
46
47         return strcmp(sdda->name, sddb->name);
48 }
49
50 #ifdef HAVE_SRD
51 static gint sort_pds(gconstpointer a, gconstpointer b)
52 {
53         const struct srd_decoder *sda = a, *sdb = b;
54
55         return strcmp(sda->id, sdb->id);
56 }
57 #endif
58
59 void show_version(void)
60 {
61         GString *s;
62         GSList *l, *l_orig, *m;
63         char *str;
64         const char *lib, *version;
65
66         printf("sigrok-cli %s\n\n", SC_PACKAGE_VERSION_STRING);
67
68         printf("Libraries and features:\n");
69
70         printf("- libsigrok %s/%s (rt: %s/%s).\n",
71                 SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING,
72                 sr_package_version_string_get(), sr_lib_version_string_get());
73
74         s = g_string_sized_new(200);
75         g_string_append(s, " - Libs:\n");
76         l_orig = sr_buildinfo_libs_get();
77         for (l = l_orig; l; l = l->next) {
78                 m = l->data;
79                 lib = m->data;
80                 version = m->next->data;
81                 g_string_append_printf(s, "  - %s %s\n", lib, version);
82                 g_slist_free_full(m, g_free);
83         }
84         g_slist_free(l_orig);
85         s->str[s->len - 1] = '\0';
86         printf("%s\n", s->str);
87         g_string_free(s, TRUE);
88
89         str = sr_buildinfo_host_get();
90         printf("  - Host: %s.\n", str);
91         g_free(str);
92
93         str = sr_buildinfo_scpi_backends_get();
94         printf("  - SCPI backends: %s.\n", str);
95         g_free(str);
96
97         printf("- libsigrokdecode %s/%s (rt: %s/%s).\n",
98                 SRD_PACKAGE_VERSION_STRING, SRD_LIB_VERSION_STRING,
99                 srd_package_version_string_get(), srd_lib_version_string_get());
100
101         s = g_string_sized_new(200);
102         g_string_append(s, " - Libs:\n");
103         l_orig = srd_buildinfo_libs_get();
104         for (l = l_orig; l; l = l->next) {
105                 m = l->data;
106                 lib = m->data;
107                 version = m->next->data;
108                 g_string_append_printf(s, "  - %s %s\n", lib, version);
109                 g_slist_free_full(m, g_free);
110         }
111         g_slist_free(l_orig);
112         s->str[s->len - 1] = '\0';
113         printf("%s\n", s->str);
114         g_string_free(s, TRUE);
115
116         str = srd_buildinfo_host_get();
117         printf("  - Host: %s.\n", str);
118         g_free(str);
119 }
120
121 void show_supported(void)
122 {
123         struct sr_dev_driver **drivers, *driver;
124         const struct sr_input_module **inputs, *input;
125         const struct sr_output_module **outputs, *output;
126         const struct sr_transform_module **transforms, *transform;
127         const GSList *l;
128         GSList *sl;
129         int i;
130 #ifdef HAVE_SRD
131         struct srd_decoder *dec;
132 #endif
133
134         printf("Supported hardware drivers:\n");
135         drivers = sr_driver_list(sr_ctx);
136         for (sl = NULL, i = 0; drivers[i]; i++)
137                 sl = g_slist_append(sl, drivers[i]);
138         sl = g_slist_sort(sl, sort_drivers);
139         for (l = sl; l; l = l->next) {
140                 driver = l->data;
141                 printf("  %-20s %s\n", driver->name, driver->longname);
142         }
143         printf("\n");
144         g_slist_free(sl);
145
146         printf("Supported input formats:\n");
147         inputs = sr_input_list();
148         for (sl = NULL, i = 0; inputs[i]; i++)
149                 sl = g_slist_append(sl, (gpointer)inputs[i]);
150         sl = g_slist_sort(sl, sort_inputs);
151         for (l = sl; l; l = l->next) {
152                 input = l->data;
153                 printf("  %-20s %s\n", sr_input_id_get(input),
154                                 sr_input_description_get(input));
155         }
156         printf("\n");
157         g_slist_free(sl);
158
159         printf("Supported output formats:\n");
160         outputs = sr_output_list();
161         for (sl = NULL, i = 0; outputs[i]; i++)
162                 sl = g_slist_append(sl, (gpointer)outputs[i]);
163         sl = g_slist_sort(sl, sort_outputs);
164         for (l = sl; l; l = l->next) {
165                 output = l->data;
166                 printf("  %-20s %s\n", sr_output_id_get(output),
167                                 sr_output_description_get(output));
168         }
169         printf("\n");
170         g_slist_free(sl);
171
172         printf("Supported transform modules:\n");
173         transforms = sr_transform_list();
174         for (sl = NULL, i = 0; transforms[i]; i++)
175                 sl = g_slist_append(sl, (gpointer)transforms[i]);
176         sl = g_slist_sort(sl, sort_transforms);
177         for (l = sl; l; l = l->next) {
178                 transform = l->data;
179                 printf("  %-20s %s\n", sr_transform_id_get(transform),
180                                 sr_transform_description_get(transform));
181         }
182         printf("\n");
183         g_slist_free(sl);
184
185 #ifdef HAVE_SRD
186         if (srd_init(NULL) == SRD_OK) {
187                 printf("Supported protocol decoders:\n");
188                 srd_decoder_load_all();
189                 sl = g_slist_copy((GSList *)srd_decoder_list());
190                 sl = g_slist_sort(sl, sort_pds);
191                 for (l = sl; l; l = l->next) {
192                         dec = l->data;
193                         printf("  %-20s %s\n", dec->id, dec->longname);
194                         /* Print protocol description upon "-l 3" or higher. */
195                         if (opt_loglevel >= SR_LOG_INFO)
196                                 printf("  %-20s %s\n", "", dec->desc);
197                 }
198                 g_slist_free(sl);
199                 srd_exit();
200         }
201         printf("\n");
202 #endif
203 }
204
205 static gint sort_channels(gconstpointer a, gconstpointer b)
206 {
207         const struct sr_channel *pa = a, *pb = b;
208
209         return pa->index - pb->index;
210 }
211
212 static void print_dev_line(const struct sr_dev_inst *sdi)
213 {
214         struct sr_channel *ch;
215         GSList *sl, *l, *channels;
216         GString *s;
217         GVariant *gvar;
218         struct sr_dev_driver *driver;
219         const char *vendor, *model, *version;
220
221         driver = sr_dev_inst_driver_get(sdi);
222         vendor = sr_dev_inst_vendor_get(sdi);
223         model = sr_dev_inst_model_get(sdi);
224         version = sr_dev_inst_version_get(sdi);
225         channels = sr_dev_inst_channels_get(sdi);
226
227         s = g_string_sized_new(128);
228         g_string_assign(s, driver->name);
229         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
230                 g_string_append(s, ":conn=");
231                 g_string_append(s, g_variant_get_string(gvar, NULL));
232                 g_variant_unref(gvar);
233         }
234         g_string_append(s, " - ");
235         if (vendor && vendor[0])
236                 g_string_append_printf(s, "%s ", vendor);
237         if (model && model[0])
238                 g_string_append_printf(s, "%s ", model);
239         if (version && version[0])
240                 g_string_append_printf(s, "%s ", version);
241         if (channels) {
242                 if (g_slist_length(channels) == 1) {
243                         ch = channels->data;
244                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
245                 } else {
246                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
247                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
248                         for (l = sl; l; l = l->next) {
249                                 ch = l->data;
250                                 g_string_append_printf(s, " %s", ch->name);
251                         }
252                         g_slist_free(sl);
253                 }
254         }
255         g_string_append_printf(s, "\n");
256         printf("%s", s->str);
257         g_string_free(s, TRUE);
258
259 }
260
261 void show_dev_list(void)
262 {
263         struct sr_dev_inst *sdi;
264         GSList *devices, *l;
265
266         if (!(devices = device_scan()))
267                 return;
268
269         printf("The following devices were found:\n");
270         for (l = devices; l; l = l->next) {
271                 sdi = l->data;
272                 print_dev_line(sdi);
273         }
274         g_slist_free(devices);
275
276 }
277
278 void show_drv_detail(struct sr_dev_driver *driver)
279 {
280         const struct sr_key_info *srci;
281         GArray *opts;
282         guint i;
283
284         if ((opts = sr_dev_options(driver, NULL, NULL))) {
285                 if (opts->len > 0) {
286                         printf("Driver functions:\n");
287                         for (i = 0; i < opts->len; i++) {
288                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
289                                                 g_array_index(opts, uint32_t, i))))
290                                         continue;
291                                 printf("    %s\n", srci->name);
292                         }
293                 }
294                 g_array_free(opts, TRUE);
295         }
296
297         if ((opts = sr_driver_scan_options_list(driver))) {
298                 if (opts->len > 0) {
299                         printf("Scan options:\n");
300                         for (i = 0; i < opts->len; i++) {
301                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
302                                                 g_array_index(opts, uint32_t, i))))
303                                         continue;
304                                 printf("    %s\n", srci->id);
305                         }
306                 }
307                 g_array_free(opts, TRUE);
308         }
309 }
310
311 void show_dev_detail(void)
312 {
313         struct sr_dev_driver *driver_from_opt, *driver;
314         struct sr_dev_inst *sdi;
315         const struct sr_key_info *srci, *srmqi, *srmqfi;
316         struct sr_channel *ch;
317         struct sr_channel_group *channel_group, *cg;
318         GSList *devices, *cgl, *chl, *channel_groups;
319         GVariant *gvar_dict, *gvar_list, *gvar;
320         gsize num_elements;
321         double dlow, dhigh, dcur_low, dcur_high;
322         const uint64_t *uint64, p, q, low, high;
323         uint64_t tmp_uint64, mask, cur_low, cur_high, cur_p, cur_q;
324         GArray *opts;
325         const int32_t *int32;
326         uint32_t key, o, cur_mq, mq;
327         uint64_t cur_mqflags, mqflags;
328         unsigned int num_devices, i, j;
329         char *tmp_str, *s, c;
330         const char **stropts;
331
332         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
333                 /* A driver was specified, report driver-wide options now. */
334                 show_drv_detail(driver_from_opt);
335         }
336
337         if (!(devices = device_scan())) {
338                 g_critical("No devices found.");
339                 return;
340         }
341
342         num_devices = g_slist_length(devices);
343         if (num_devices > 1) {
344                 g_critical("%d devices found. Use --scan to show them, "
345                                 "and select one to show.", num_devices);
346                 return;
347         }
348
349         sdi = devices->data;
350         g_slist_free(devices);
351         print_dev_line(sdi);
352
353         driver = sr_dev_inst_driver_get(sdi);
354         channel_groups = sr_dev_inst_channel_groups_get(sdi);
355
356         if (sr_dev_open(sdi) != SR_OK) {
357                 g_critical("Failed to open device.");
358                 return;
359         }
360
361         /*
362          * Selected channels and channel group may affect which options are
363          * returned, or which values for them.
364          */
365         select_channels(sdi);
366         channel_group = select_channel_group(sdi);
367
368         if (!(opts = sr_dev_options(driver, sdi, channel_group)))
369                 /* Driver supports no device instance options. */
370                 return;
371
372         if (channel_groups) {
373                 printf("Channel groups:\n");
374                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
375                         cg = cgl->data;
376                         printf("    %s: channel%s", cg->name,
377                                         g_slist_length(cg->channels) > 1 ? "s" : "");
378                         for (chl = cg->channels; chl; chl = chl->next) {
379                                 ch = chl->data;
380                                 printf(" %s", ch->name);
381                         }
382                         printf("\n");
383                 }
384         }
385
386         printf("Supported configuration options");
387         if (channel_groups) {
388                 if (!channel_group)
389                         printf(" across all channel groups");
390                 else
391                         printf(" on channel group %s", channel_group->name);
392         }
393         printf(":\n");
394         for (o = 0; o < opts->len; o++) {
395                 key = g_array_index(opts, uint32_t, o);
396                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key)))
397                         continue;
398
399                 if (key == SR_CONF_TRIGGER_MATCH) {
400                         if (maybe_config_list(driver, sdi, channel_group, key,
401                                         &gvar_list) != SR_OK) {
402                                 printf("\n");
403                                 continue;
404                         }
405                         int32 = g_variant_get_fixed_array(gvar_list,
406                                         &num_elements, sizeof(int32_t));
407                         printf("    Supported triggers: ");
408                         for (i = 0; i < num_elements; i++) {
409                                 switch (int32[i]) {
410                                 case SR_TRIGGER_ZERO:
411                                         c = '0';
412                                         break;
413                                 case SR_TRIGGER_ONE:
414                                         c = '1';
415                                         break;
416                                 case SR_TRIGGER_RISING:
417                                         c = 'r';
418                                         break;
419                                 case SR_TRIGGER_FALLING:
420                                         c = 'f';
421                                         break;
422                                 case SR_TRIGGER_EDGE:
423                                         c = 'e';
424                                         break;
425                                 case SR_TRIGGER_OVER:
426                                         c = 'o';
427                                         break;
428                                 case SR_TRIGGER_UNDER:
429                                         c = 'u';
430                                         break;
431                                 default:
432                                         c = 0;
433                                         break;
434                                 }
435                                 if (c)
436                                         printf("%c ", c);
437                         }
438                         printf("\n");
439                         g_variant_unref(gvar_list);
440
441                 } else if (key == SR_CONF_LIMIT_SAMPLES
442                                 && (sr_dev_config_capabilities_list(sdi, NULL, key)
443                                         & SR_CONF_LIST)) {
444                         /*
445                          * If implemented in config_list(), this denotes the
446                          * maximum number of samples a device can send. This
447                          * really applies only to logic analyzers, and then
448                          * only to those that don't support compression, or
449                          * have it turned off by default. The values returned
450                          * are the low/high limits.
451                          */
452                         if (sr_config_list(driver, sdi, channel_group, key,
453                                         &gvar) == SR_OK) {
454                                 g_variant_get(gvar, "(tt)", &low, &high);
455                                 g_variant_unref(gvar);
456                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
457                         }
458
459                 } else if (key == SR_CONF_SAMPLERATE) {
460                         /* Supported samplerates */
461                         printf("    %s", srci->id);
462                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
463                                         &gvar_dict) != SR_OK) {
464                                 printf("\n");
465                                 continue;
466                         }
467                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
468                                         "samplerates", G_VARIANT_TYPE("at")))) {
469                                 uint64 = g_variant_get_fixed_array(gvar_list,
470                                                 &num_elements, sizeof(uint64_t));
471                                 printf(" - supported samplerates:\n");
472                                 for (i = 0; i < num_elements; i++) {
473                                         if (!(s = sr_samplerate_string(uint64[i])))
474                                                 continue;
475                                         printf("      %s\n", s);
476                                         g_free(s);
477                                 }
478                                 g_variant_unref(gvar_list);
479                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
480                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
481                                 uint64 = g_variant_get_fixed_array(gvar_list,
482                                                 &num_elements, sizeof(uint64_t));
483                                 /* low */
484                                 if (!(s = sr_samplerate_string(uint64[0])))
485                                         continue;
486                                 printf(" (%s", s);
487                                 g_free(s);
488                                 /* high */
489                                 if (!(s = sr_samplerate_string(uint64[1])))
490                                         continue;
491                                 printf(" - %s", s);
492                                 g_free(s);
493                                 /* step */
494                                 if (!(s = sr_samplerate_string(uint64[2])))
495                                         continue;
496                                 printf(" in steps of %s)\n", s);
497                                 g_free(s);
498                                 g_variant_unref(gvar_list);
499                         }
500                         g_variant_unref(gvar_dict);
501
502                 } else if (srci->datatype == SR_T_UINT64) {
503                         printf("    %s: ", srci->id);
504                         gvar = NULL;
505                         if (maybe_config_get(driver, sdi, channel_group, key,
506                                         &gvar) == SR_OK) {
507                                 tmp_uint64 = g_variant_get_uint64(gvar);
508                                 g_variant_unref(gvar);
509                         } else
510                                 tmp_uint64 = 0;
511                         if (maybe_config_list(driver, sdi, channel_group,
512                                         key, &gvar_list) != SR_OK) {
513                                 if (gvar) {
514                                         /* Can't list it, but we have a value to show. */
515                                         printf("%"PRIu64" (current)", tmp_uint64);
516                                 }
517                                 printf("\n");
518                                 continue;
519                         }
520                         uint64 = g_variant_get_fixed_array(gvar_list,
521                                         &num_elements, sizeof(uint64_t));
522                         printf(" - supported values:\n");
523                         for (i = 0; i < num_elements; i++) {
524                                 printf("      %"PRIu64, uint64[i]);
525                                 if (gvar && tmp_uint64 == uint64[i])
526                                         printf(" (current)");
527                                 printf("\n");
528                         }
529                         g_variant_unref(gvar_list);
530
531                 } else if (srci->datatype == SR_T_STRING) {
532                         printf("    %s: ", srci->id);
533                         if (maybe_config_get(driver, sdi, channel_group, key,
534                                         &gvar) == SR_OK) {
535                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
536                                 g_variant_unref(gvar);
537                         } else
538                                 tmp_str = NULL;
539
540                         if (maybe_config_list(driver, sdi, channel_group, key,
541                                         &gvar) != SR_OK) {
542                                 if (tmp_str) {
543                                         /* Can't list it, but we have a value to show. */
544                                         printf("%s (current)", tmp_str);
545                                 }
546                                 printf("\n");
547                                 g_free(tmp_str);
548                                 continue;
549                         }
550
551                         stropts = g_variant_get_strv(gvar, &num_elements);
552                         for (i = 0; i < num_elements; i++) {
553                                 if (i)
554                                         printf(", ");
555                                 printf("%s", stropts[i]);
556                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
557                                         printf(" (current)");
558                         }
559                         printf("\n");
560                         g_free(stropts);
561                         g_free(tmp_str);
562                         g_variant_unref(gvar);
563
564                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
565                         printf("    %s: ", srci->id);
566                         if (maybe_config_list(driver, sdi, channel_group, key,
567                                         &gvar_list) != SR_OK) {
568                                 printf("\n");
569                                 continue;
570                         }
571
572                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
573                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
574                                 g_variant_unref(gvar);
575                         } else {
576                                 cur_low = 0;
577                                 cur_high = 0;
578                         }
579
580                         num_elements = g_variant_n_children(gvar_list);
581                         for (i = 0; i < num_elements; i++) {
582                                 gvar = g_variant_get_child_value(gvar_list, i);
583                                 g_variant_get(gvar, "(tt)", &low, &high);
584                                 g_variant_unref(gvar);
585                                 if (i)
586                                         printf(", ");
587                                 printf("%"PRIu64"-%"PRIu64, low, high);
588                                 if (low == cur_low && high == cur_high)
589                                         printf(" (current)");
590                         }
591                         printf("\n");
592                         g_variant_unref(gvar_list);
593
594                 } else if (srci->datatype == SR_T_BOOL) {
595                         printf("    %s: ", srci->id);
596                         if (maybe_config_get(driver, sdi, channel_group, key,
597                                         &gvar) == SR_OK) {
598                                 if (g_variant_get_boolean(gvar))
599                                         printf("on (current), off\n");
600                                 else
601                                         printf("on, off (current)\n");
602                                 g_variant_unref(gvar);
603                         } else
604                                 printf("on, off\n");
605
606                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
607                         printf("    %s: ", srci->id);
608                         if (maybe_config_list(driver, sdi, channel_group, key,
609                                         &gvar_list) != SR_OK) {
610                                 printf("\n");
611                                 continue;
612                         }
613
614                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
615                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
616                                 g_variant_unref(gvar);
617                         } else {
618                                 dcur_low = 0;
619                                 dcur_high = 0;
620                         }
621
622                         num_elements = g_variant_n_children(gvar_list);
623                         for (i = 0; i < num_elements; i++) {
624                                 gvar = g_variant_get_child_value(gvar_list, i);
625                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
626                                 g_variant_unref(gvar);
627                                 if (i)
628                                         printf(", ");
629                                 printf("%.1f-%.1f", dlow, dhigh);
630                                 if (dlow == dcur_low && dhigh == dcur_high)
631                                         printf(" (current)");
632                         }
633                         printf("\n");
634                         g_variant_unref(gvar_list);
635
636                 } else if (srci->datatype == SR_T_FLOAT) {
637                         printf("    %s: ", srci->id);
638                         if (maybe_config_get(driver, sdi, channel_group, key,
639                                         &gvar) == SR_OK) {
640                                 printf("%f\n", g_variant_get_double(gvar));
641                                 g_variant_unref(gvar);
642                         } else
643                                 printf("\n");
644
645                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
646                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
647                         printf("    %s", srci->id);
648                         if (maybe_config_get(driver, sdi, channel_group, key,
649                                         &gvar) == SR_OK) {
650                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
651                                 g_variant_unref(gvar);
652                         } else
653                                 cur_p = cur_q = 0;
654
655                         if (maybe_config_list(driver, sdi, channel_group,
656                                         key, &gvar_list) != SR_OK) {
657                                 printf("\n");
658                                 continue;
659                         }
660                         printf(" - supported values:\n");
661                         num_elements = g_variant_n_children(gvar_list);
662                         for (i = 0; i < num_elements; i++) {
663                                 gvar = g_variant_get_child_value(gvar_list, i);
664                                 g_variant_get(gvar, "(tt)", &p, &q);
665                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
666                                         s = sr_period_string(p, q);
667                                 else
668                                         s = sr_voltage_string(p, q);
669                                 printf("      %s", s);
670                                 g_free(s);
671                                 if (p == cur_p && q == cur_q)
672                                         printf(" (current)");
673                                 printf("\n");
674                         }
675                         g_variant_unref(gvar_list);
676
677                 } else if (srci->datatype == SR_T_MQ) {
678                         printf("    %s: ", srci->id);
679                         if (maybe_config_get(driver, sdi, channel_group, key,
680                                         &gvar) == SR_OK
681                                         && g_variant_is_of_type(gvar, G_VARIANT_TYPE_TUPLE)
682                                         && g_variant_n_children(gvar) == 2) {
683                                 g_variant_get(gvar, "(ut)", &cur_mq, &cur_mqflags);
684                                 g_variant_unref(gvar);
685                         } else
686                                 cur_mq = cur_mqflags = 0;
687
688                         if (maybe_config_list(driver, sdi, channel_group,
689                                         key, &gvar_list) != SR_OK) {
690                                 printf("\n");
691                                 continue;
692                         }
693                         printf(" - supported measurements:\n");
694                         num_elements = g_variant_n_children(gvar_list);
695                         for (i = 0; i < num_elements; i++) {
696                                 printf("      ");
697                                 gvar = g_variant_get_child_value(gvar_list, i);
698                                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
699                                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
700                                         printf("%s", srmqi->id);
701                                 else
702                                         printf("%d", mq);
703                                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
704                                         if (!(mqflags & mask))
705                                                 continue;
706                                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
707                                                 printf("/%s", srmqfi->id);
708                                         else
709                                                 printf("/%" PRIu64, mqflags & mask);
710                                 }
711                                 if (mq == cur_mq && mqflags == cur_mqflags)
712                                         printf(" (current)");
713                                 printf("\n");
714                         }
715                         g_variant_unref(gvar_list);
716
717                 } else {
718
719                         /* Everything else */
720                         printf("    %s\n", srci->id);
721                 }
722         }
723         g_array_free(opts, TRUE);
724
725         sr_dev_close(sdi);
726
727 }
728
729 #ifdef HAVE_SRD
730 static void show_pd_detail_single(const char *pd)
731 {
732         struct srd_decoder *dec;
733         struct srd_decoder_option *o;
734         struct srd_channel *pdch;
735         struct srd_decoder_annotation_row *r;
736         GSList *l, *ll, *ol;
737         int idx;
738         char **pdtokens, **pdtok, *optsep, **ann, **bin, *val, *doc, *str;
739
740         pdtokens = g_strsplit(pd, ",", -1);
741         for (pdtok = pdtokens; *pdtok; pdtok++) {
742                 /* Strip options. */
743                 if ((optsep = strchr(*pdtok, ':')))
744                         *optsep = '\0';
745                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
746                         g_critical("Protocol decoder %s not found.", *pdtok);
747                         return;
748                 }
749                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
750                                 dec->id, dec->name, dec->longname, dec->desc);
751                 printf("License: %s\n", dec->license);
752                 printf("Possible decoder input IDs:\n");
753                 if (dec->inputs) {
754                         for (l = dec->inputs; l; l = l->next) {
755                                 str = l->data;
756                                 printf("- %s\n", str);
757                         }
758                 } else {
759                         printf("None.\n");
760                 }
761                 printf("Possible decoder output IDs:\n");
762                 if (dec->outputs) {
763                         for (l = dec->outputs; l; l = l->next) {
764                                 str = l->data;
765                                 printf("- %s\n", str);
766                         }
767                 } else {
768                         printf("None.\n");
769                 }
770                 printf("Annotation classes:\n");
771                 if (dec->annotations) {
772                         for (l = dec->annotations; l; l = l->next) {
773                                 ann = l->data;
774                                 printf("- %s: %s\n", ann[0], ann[1]);
775                         }
776                 } else {
777                         printf("None.\n");
778                 }
779                 printf("Annotation rows:\n");
780                 if (dec->annotation_rows) {
781                         for (l = dec->annotation_rows; l; l = l->next) {
782                                 r = l->data;
783                                 printf("- %s (%s): ", r->id, r->desc);
784                                 for (ll = r->ann_classes; ll; ll = ll->next) {
785                                         idx = GPOINTER_TO_INT(ll->data);
786                                         ann = g_slist_nth_data(dec->annotations, idx);
787                                         printf("%s", ann[0]);
788                                         if (ll->next)
789                                                 printf(", ");
790                                 }
791                                 printf("\n");
792                         }
793                 } else {
794                         printf("None.\n");
795                 }
796                 printf("Binary classes:\n");
797                 if (dec->binary) {
798                         for (l = dec->binary; l; l = l->next) {
799                                 bin = l->data;
800                                 printf("- %s: %s\n", bin[0], bin[1]);
801                         }
802                 } else {
803                         printf("None.\n");
804                 }
805                 printf("Required channels:\n");
806                 if (dec->channels) {
807                         for (l = dec->channels; l; l = l->next) {
808                                 pdch = l->data;
809                                 printf("- %s (%s): %s\n",
810                                        pdch->id, pdch->name, pdch->desc);
811                         }
812                 } else {
813                         printf("None.\n");
814                 }
815                 printf("Optional channels:\n");
816                 if (dec->opt_channels) {
817                         for (l = dec->opt_channels; l; l = l->next) {
818                                 pdch = l->data;
819                                 printf("- %s (%s): %s\n",
820                                        pdch->id, pdch->name, pdch->desc);
821                         }
822                 } else {
823                         printf("None.\n");
824                 }
825                 printf("Options:\n");
826                 if (dec->options) {
827                         for (l = dec->options; l; l = l->next) {
828                                 o = l->data;
829                                 printf("- %s: %s (", o->id, o->desc);
830                                 for (ol = o->values; ol; ol = ol->next) {
831                                         val = g_variant_print(ol->data, FALSE);
832                                         printf("%s, ", val);
833                                         g_free(val);
834                                 }
835                                 val = g_variant_print(o->def, FALSE);
836                                 printf("default %s)\n", val);
837                                 g_free(val);
838                         }
839                 } else {
840                         printf("None.\n");
841                 }
842                 if ((doc = srd_decoder_doc_get(dec))) {
843                         printf("Documentation:\n%s\n",
844                                doc[0] == '\n' ? doc + 1 : doc);
845                         g_free(doc);
846                 }
847         }
848
849         g_strfreev(pdtokens);
850 }
851
852 void show_pd_detail(void)
853 {
854         for (int i = 0; opt_pds[i]; i++)
855                 show_pd_detail_single(opt_pds[i]);
856 }
857 #endif
858
859 void show_input(void)
860 {
861         const struct sr_input_module *imod;
862         const struct sr_option **opts;
863         GSList *l;
864         int i;
865         char *s, **tok;
866
867         tok = g_strsplit(opt_input_format, ":", 0);
868         if (!tok[0] || !(imod = sr_input_find(tok[0])))
869                 g_critical("Input module '%s' not found.", opt_input_format);
870
871         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
872                         sr_input_name_get(imod));
873         printf("Description: %s\n", sr_input_description_get(imod));
874         if ((opts = sr_input_options_get(imod))) {
875                 printf("Options:\n");
876                 for (i = 0; opts[i]; i++) {
877                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
878                         if (opts[i]->def) {
879                                 s = g_variant_print(opts[i]->def, FALSE);
880                                 printf(" (default %s", s);
881                                 g_free(s);
882                                 if (opts[i]->values) {
883                                         printf(", possible values ");
884                                         for (l = opts[i]->values; l; l = l->next) {
885                                                 s = g_variant_print((GVariant *)l->data, FALSE);
886                                                 printf("%s%s", s, l->next ? ", " : "");
887                                                 g_free(s);
888                                         }
889                                 }
890                                 printf(")");
891                         }
892                         printf("\n");
893                 }
894                 sr_input_options_free(opts);
895         }
896         g_strfreev(tok);
897 }
898
899 void show_output(void)
900 {
901         const struct sr_output_module *omod;
902         const struct sr_option **opts;
903         GSList *l;
904         int i;
905         char *s, **tok;
906
907         tok = g_strsplit(opt_output_format, ":", 0);
908         if (!tok[0] || !(omod = sr_output_find(tok[0])))
909                 g_critical("Output module '%s' not found.", opt_output_format);
910
911         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
912                         sr_output_name_get(omod));
913         printf("Description: %s\n", sr_output_description_get(omod));
914         if ((opts = sr_output_options_get(omod))) {
915                 printf("Options:\n");
916                 for (i = 0; opts[i]; i++) {
917                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
918                         if (opts[i]->def) {
919                                 s = g_variant_print(opts[i]->def, FALSE);
920                                 printf(" (default %s", s);
921                                 g_free(s);
922                                 if (opts[i]->values) {
923                                         printf(", possible values ");
924                                         for (l = opts[i]->values; l; l = l->next) {
925                                                 s = g_variant_print((GVariant *)l->data, FALSE);
926                                                 printf("%s%s", s, l->next ? ", " : "");
927                                                 g_free(s);
928                                         }
929                                 }
930                                 printf(")");
931                         }
932                         printf("\n");
933                 }
934                 sr_output_options_free(opts);
935         }
936         g_strfreev(tok);
937 }
938
939 void show_transform(void)
940 {
941         const struct sr_transform_module *tmod;
942         const struct sr_option **opts;
943         GSList *l;
944         int i;
945         char *s, **tok;
946
947         tok = g_strsplit(opt_transform_module, ":", 0);
948         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
949                 g_critical("Transform module '%s' not found.", opt_transform_module);
950
951         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
952                         sr_transform_name_get(tmod));
953         printf("Description: %s\n", sr_transform_description_get(tmod));
954         if ((opts = sr_transform_options_get(tmod))) {
955                 printf("Options:\n");
956                 for (i = 0; opts[i]; i++) {
957                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
958                         if (opts[i]->def) {
959                                 s = g_variant_print(opts[i]->def, FALSE);
960                                 printf(" (default %s", s);
961                                 g_free(s);
962                                 if (opts[i]->values) {
963                                         printf(", possible values ");
964                                         for (l = opts[i]->values; l; l = l->next) {
965                                                 s = g_variant_print((GVariant *)l->data, FALSE);
966                                                 printf("%s%s", s, l->next ? ", " : "");
967                                                 g_free(s);
968                                         }
969                                 }
970                                 printf(")");
971                         }
972                         printf("\n");
973                 }
974                 sr_transform_options_free(opts);
975         }
976         g_strfreev(tok);
977 }