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 #define DECODERS_HAVE_TAGS \
  26         ((SRD_PACKAGE_VERSION_MAJOR > 0) || \
  27          (SRD_PACKAGE_VERSION_MAJOR == 0) && (SRD_PACKAGE_VERSION_MINOR > 5))
  28
  29 static gint sort_inputs(gconstpointer a, gconstpointer b)
  30 {
  31         return strcmp(sr_input_id_get((struct sr_input_module *)a),
  32                         sr_input_id_get((struct sr_input_module *)b));
  33 }
  34
  35 static gint sort_outputs(gconstpointer a, gconstpointer b)
  36 {
  37         return strcmp(sr_output_id_get((struct sr_output_module *)a),
  38                         sr_output_id_get((struct sr_output_module *)b));
  39 }
  40
  41 static gint sort_transforms(gconstpointer a, gconstpointer b)
  42 {
  43         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
  44                         sr_transform_id_get((struct sr_transform_module *)b));
  45 }
  46
  47 static gint sort_drivers(gconstpointer a, gconstpointer b)
  48 {
  49         const struct sr_dev_driver *sdda = a, *sddb = b;
  50
  51         return strcmp(sdda->name, sddb->name);
  52 }
  53
  54 #ifdef HAVE_SRD
  55 static gint sort_pds(gconstpointer a, gconstpointer b)
  56 {
  57         const struct srd_decoder *sda = a, *sdb = b;
  58
  59         return strcmp(sda->id, sdb->id);
  60 }
  61 #endif
  62
  63 void show_version(void)
  64 {
  65         GString *s;
  66         GSList *l, *l_orig, *m;
  67         char *str;
  68         const char *lib, *version;
  69
  70         printf("sigrok-cli %s\n\n", SC_PACKAGE_VERSION_STRING);
  71
  72         printf("Libraries and features:\n");
  73
  74         printf("- libsigrok %s/%s (rt: %s/%s).\n",
  75                 SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING,
  76                 sr_package_version_string_get(), sr_lib_version_string_get());
  77
  78         s = g_string_sized_new(200);
  79         g_string_append(s, " - Libs:\n");
  80         l_orig = sr_buildinfo_libs_get();
  81         for (l = l_orig; l; l = l->next) {
  82                 m = l->data;
  83                 lib = m->data;
  84                 version = m->next->data;
  85                 g_string_append_printf(s, "  - %s %s\n", lib, version);
  86                 g_slist_free_full(m, g_free);
  87         }
  88         g_slist_free(l_orig);
  89         s->str[s->len - 1] = '\0';
  90         printf("%s\n", s->str);
  91         g_string_free(s, TRUE);
  92
  93         str = sr_buildinfo_host_get();
  94         printf("  - Host: %s.\n", str);
  95         g_free(str);
  96
  97         str = sr_buildinfo_scpi_backends_get();
  98         printf("  - SCPI backends: %s.\n", str);
  99         g_free(str);
 100
 101 #ifdef HAVE_SRD
 102         printf("- libsigrokdecode %s/%s (rt: %s/%s).\n",
 103                 SRD_PACKAGE_VERSION_STRING, SRD_LIB_VERSION_STRING,
 104                 srd_package_version_string_get(), srd_lib_version_string_get());
 105
 106         s = g_string_sized_new(200);
 107         g_string_append(s, " - Libs:\n");
 108         l_orig = srd_buildinfo_libs_get();
 109         for (l = l_orig; l; l = l->next) {
 110                 m = l->data;
 111                 lib = m->data;
 112                 version = m->next->data;
 113                 g_string_append_printf(s, "  - %s %s\n", lib, version);
 114                 g_slist_free_full(m, g_free);
 115         }
 116         g_slist_free(l_orig);
 117         s->str[s->len - 1] = '\0';
 118         printf("%s\n", s->str);
 119         g_string_free(s, TRUE);
 120
 121         str = srd_buildinfo_host_get();
 122         printf("  - Host: %s.\n", str);
 123         g_free(str);
 124 #endif
 125 }
 126
 127 void show_supported(void)
 128 {
 129         struct sr_dev_driver **drivers, *driver;
 130         const struct sr_input_module **inputs, *input;
 131         const struct sr_output_module **outputs, *output;
 132         const struct sr_transform_module **transforms, *transform;
 133         const GSList *l;
 134         GSList *sl;
 135         int i;
 136 #ifdef HAVE_SRD
 137         struct srd_decoder *dec;
 138 #endif
 139
 140         printf("Supported hardware drivers:\n");
 141         drivers = sr_driver_list(sr_ctx);
 142         for (sl = NULL, i = 0; drivers[i]; i++)
 143                 sl = g_slist_append(sl, drivers[i]);
 144         sl = g_slist_sort(sl, sort_drivers);
 145         for (l = sl; l; l = l->next) {
 146                 driver = l->data;
 147                 printf("  %-20s %s\n", driver->name, driver->longname);
 148         }
 149         printf("\n");
 150         g_slist_free(sl);
 151
 152         printf("Supported input formats:\n");
 153         inputs = sr_input_list();
 154         for (sl = NULL, i = 0; inputs[i]; i++)
 155                 sl = g_slist_append(sl, (gpointer)inputs[i]);
 156         sl = g_slist_sort(sl, sort_inputs);
 157         for (l = sl; l; l = l->next) {
 158                 input = l->data;
 159                 printf("  %-20s %s\n", sr_input_id_get(input),
 160                                 sr_input_description_get(input));
 161         }
 162         printf("\n");
 163         g_slist_free(sl);
 164
 165         printf("Supported output formats:\n");
 166         outputs = sr_output_list();
 167         for (sl = NULL, i = 0; outputs[i]; i++)
 168                 sl = g_slist_append(sl, (gpointer)outputs[i]);
 169         sl = g_slist_sort(sl, sort_outputs);
 170         for (l = sl; l; l = l->next) {
 171                 output = l->data;
 172                 printf("  %-20s %s\n", sr_output_id_get(output),
 173                                 sr_output_description_get(output));
 174         }
 175         printf("\n");
 176         g_slist_free(sl);
 177
 178         printf("Supported transform modules:\n");
 179         transforms = sr_transform_list();
 180         for (sl = NULL, i = 0; transforms[i]; i++)
 181                 sl = g_slist_append(sl, (gpointer)transforms[i]);
 182         sl = g_slist_sort(sl, sort_transforms);
 183         for (l = sl; l; l = l->next) {
 184                 transform = l->data;
 185                 printf("  %-20s %s\n", sr_transform_id_get(transform),
 186                                 sr_transform_description_get(transform));
 187         }
 188         printf("\n");
 189         g_slist_free(sl);
 190
 191 #ifdef HAVE_SRD
 192         if (srd_init(NULL) == SRD_OK) {
 193                 printf("Supported protocol decoders:\n");
 194                 srd_decoder_load_all();
 195                 sl = g_slist_copy((GSList *)srd_decoder_list());
 196                 sl = g_slist_sort(sl, sort_pds);
 197                 for (l = sl; l; l = l->next) {
 198                         dec = l->data;
 199                         printf("  %-20s %s\n", dec->id, dec->longname);
 200                         /* Print protocol description upon "-l 3" or higher. */
 201                         if (opt_loglevel >= SR_LOG_INFO)
 202                                 printf("  %-20s %s\n", "", dec->desc);
 203                 }
 204                 g_slist_free(sl);
 205                 srd_exit();
 206         }
 207         printf("\n");
 208 #endif
 209 }
 210
 211 void show_supported_wiki(void)
 212 {
 213 #ifndef HAVE_SRD
 214         printf("Error, libsigrokdecode support not compiled in.");
 215 #else
 216         const GSList *l;
 217         GSList *sl;
 218         struct srd_decoder *dec;
 219
 220         if (srd_init(NULL) != SRD_OK)
 221                 return;
 222
 223         srd_decoder_load_all();
 224         sl = g_slist_copy((GSList *)srd_decoder_list());
 225         sl = g_slist_sort(sl, sort_pds);
 226
 227         printf("== Supported protocol decoders ==\n\n");
 228
 229         printf("<!-- Generated via sigrok-cli --list-supported-wiki. -->\n\n");
 230
 231         printf("Number of currently supported protocol decoders: "
 232                 "'''%d'''.\n\n", g_slist_length(sl));
 233
 234         printf("{| border=\"0\" style=\"font-size: smaller\" "
 235                 "class=\"alternategrey sortable sigroktable\"\n"
 236                 "|-\n!Protocol\n!Tags\n!Input IDs\n!Output IDs\n!Status\n"
 237                 "!Full name\n!Description\n\n");
 238
 239         for (l = sl; l; l = l->next) {
 240                 dec = l->data;
 241
 242 #if DECODERS_HAVE_TAGS
 243                 GString *tags = g_string_new(NULL);
 244                 for (GSList *t = dec->tags; t; t = t->next)
 245                         g_string_append_printf(tags, "%s, ", (char *)t->data);
 246                 if (tags->len != 0)
 247                         g_string_truncate(tags, tags->len - 2);
 248 #endif
 249
 250                 GString *in = g_string_new(NULL);
 251                 for (GSList *t = dec->inputs; t; t = t->next)
 252                         g_string_append_printf(in, "%s, ", (char *)t->data);
 253                 if (in->len == 0)
 254                         g_string_append_printf(in, "&mdash;");
 255                 else
 256                         g_string_truncate(in, in->len - 2);
 257
 258                 GString *out = g_string_new(NULL);
 259                 for (GSList *t = dec->outputs; t; t = t->next)
 260                         g_string_append_printf(out, "%s, ", (char *)t->data);
 261                 if (out->len == 0)
 262                         g_string_append_printf(out, "&mdash;");
 263                 else
 264                         g_string_truncate(out, out->len - 2);
 265
 266 #if DECODERS_HAVE_TAGS
 267                 printf("{{pd|%s|%s|%s|%s|%s|%s|%s|supported}}\n",
 268                         dec->id, dec->name, dec->longname, dec->desc,
 269                         tags->str, in->str, out->str);
 270 #else
 271                 printf("{{pd|%s|%s|%s|%s|%s|%s|supported}}\n",
 272                         dec->id, dec->name, dec->longname, dec->desc,
 273                         in->str, out->str);
 274 #endif
 275
 276 #if DECODERS_HAVE_TAGS
 277                 g_string_free(tags, TRUE);
 278 #endif
 279                 g_string_free(in, TRUE);
 280                 g_string_free(out, TRUE);
 281         }
 282         g_slist_free(sl);
 283         srd_exit();
 284
 285         printf("\n|}\n");
 286 #endif
 287 }
 288
 289 static gint sort_channels(gconstpointer a, gconstpointer b)
 290 {
 291         const struct sr_channel *pa = a, *pb = b;
 292
 293         return pa->index - pb->index;
 294 }
 295
 296 static void print_dev_line(const struct sr_dev_inst *sdi)
 297 {
 298         struct sr_channel *ch;
 299         GSList *sl, *l, *channels;
 300         GString *s;
 301         GVariant *gvar;
 302         struct sr_dev_driver *driver;
 303         const char *vendor, *model, *version, *sernum;
 304
 305         driver = sr_dev_inst_driver_get(sdi);
 306         vendor = sr_dev_inst_vendor_get(sdi);
 307         model = sr_dev_inst_model_get(sdi);
 308         version = sr_dev_inst_version_get(sdi);
 309         sernum = sr_dev_inst_sernum_get(sdi);
 310         channels = sr_dev_inst_channels_get(sdi);
 311
 312         s = g_string_sized_new(128);
 313         g_string_assign(s, driver->name);
 314         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
 315                 g_string_append(s, ":conn=");
 316                 g_string_append(s, g_variant_get_string(gvar, NULL));
 317                 g_variant_unref(gvar);
 318         }
 319         g_string_append(s, " - ");
 320         if (vendor && vendor[0])
 321                 g_string_append_printf(s, "%s ", vendor);
 322         if (model && model[0])
 323                 g_string_append_printf(s, "%s ", model);
 324         if (version && version[0])
 325                 g_string_append_printf(s, "%s ", version);
 326         if (sernum && sernum[0])
 327                 g_string_append_printf(s, "[S/N: %s] ", sernum);
 328         if (channels) {
 329                 if (g_slist_length(channels) == 1) {
 330                         ch = channels->data;
 331                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
 332                 } else {
 333                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
 334                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
 335                         for (l = sl; l; l = l->next) {
 336                                 ch = l->data;
 337                                 g_string_append_printf(s, " %s", ch->name);
 338                         }
 339                         g_slist_free(sl);
 340                 }
 341         }
 342         g_string_append_printf(s, "\n");
 343         printf("%s", s->str);
 344         g_string_free(s, TRUE);
 345
 346 }
 347
 348 void show_dev_list(void)
 349 {
 350         struct sr_dev_inst *sdi;
 351         GSList *devices, *l;
 352
 353         if (!(devices = device_scan()))
 354                 return;
 355
 356         printf("The following devices were found:\n");
 357         for (l = devices; l; l = l->next) {
 358                 sdi = l->data;
 359                 print_dev_line(sdi);
 360         }
 361         g_slist_free(devices);
 362
 363 }
 364
 365 void show_drv_detail(struct sr_dev_driver *driver)
 366 {
 367         const struct sr_key_info *srci;
 368         GArray *opts;
 369         guint i;
 370
 371         if ((opts = sr_dev_options(driver, NULL, NULL))) {
 372                 if (opts->len > 0) {
 373                         printf("Driver functions:\n");
 374                         for (i = 0; i < opts->len; i++) {
 375                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
 376                                                 g_array_index(opts, uint32_t, i))))
 377                                         continue;
 378                                 printf("    %s\n", srci->name);
 379                         }
 380                 }
 381                 g_array_free(opts, TRUE);
 382         }
 383
 384         if ((opts = sr_driver_scan_options_list(driver))) {
 385                 if (opts->len > 0) {
 386                         printf("Scan options:\n");
 387                         for (i = 0; i < opts->len; i++) {
 388                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
 389                                                 g_array_index(opts, uint32_t, i))))
 390                                         continue;
 391                                 printf("    %s\n", srci->id);
 392                         }
 393                 }
 394                 g_array_free(opts, TRUE);
 395         }
 396 }
 397
 398 void show_dev_detail(void)
 399 {
 400         struct sr_dev_driver *driver_from_opt, *driver;
 401         struct sr_dev_inst *sdi;
 402         const struct sr_key_info *srci, *srmqi, *srmqfi;
 403         struct sr_channel *ch;
 404         struct sr_channel_group *channel_group, *cg;
 405         GSList *devices, *cgl, *chl, *channel_groups;
 406         GVariant *gvar_dict, *gvar_list, *gvar;
 407         gsize num_elements;
 408         double dlow, dhigh, dcur_low, dcur_high;
 409         const uint64_t *uint64;
 410         uint64_t cur_rate, rate;
 411         uint64_t p = 0, q = 0, low = 0, high = 0;
 412         uint64_t tmp_uint64, mask, cur_low, cur_high, cur_p, cur_q;
 413         GArray *opts;
 414         const int32_t *int32;
 415         uint32_t key, o, cur_mq, mq;
 416         uint64_t cur_mqflags, mqflags;
 417         unsigned int num_devices, i, j;
 418         char *tmp_str, *s, c;
 419         const char **stropts;
 420         double tmp_flt;
 421         gboolean have_tmp_flt;
 422         const double *fltopts;
 423
 424         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
 425                 /* A driver was specified, report driver-wide options now. */
 426                 show_drv_detail(driver_from_opt);
 427         }
 428
 429         if (!(devices = device_scan())) {
 430                 g_critical("No devices found.");
 431                 return;
 432         }
 433
 434         num_devices = g_slist_length(devices);
 435         if (num_devices > 1) {
 436                 g_critical("%d devices found. Use --scan to show them, "
 437                                 "and select one to show.", num_devices);
 438                 return;
 439         }
 440
 441         sdi = devices->data;
 442         g_slist_free(devices);
 443         print_dev_line(sdi);
 444
 445         driver = sr_dev_inst_driver_get(sdi);
 446         channel_groups = sr_dev_inst_channel_groups_get(sdi);
 447
 448         if (sr_dev_open(sdi) != SR_OK) {
 449                 g_critical("Failed to open device.");
 450                 return;
 451         }
 452
 453         /*
 454          * Selected channels and channel group may affect which options are
 455          * returned, or which values for them.
 456          */
 457         select_channels(sdi);
 458         channel_group = lookup_channel_group(sdi, NULL);
 459
 460         if (!(opts = sr_dev_options(driver, sdi, channel_group)))
 461                 /* Driver supports no device instance options. */
 462                 return;
 463
 464         if (channel_groups) {
 465                 printf("Channel groups:\n");
 466                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
 467                         cg = cgl->data;
 468                         printf("    %s: ", cg->name);
 469                         if (g_slist_length(cg->channels) == 0)
 470                                 printf("No channels");
 471                         else
 472                                 printf("channel%s", g_slist_length(cg->channels) > 1 ? "s" : "");
 473                         for (chl = cg->channels; chl; chl = chl->next) {
 474                                 ch = chl->data;
 475                                 printf(" %s", ch->name);
 476                         }
 477                         printf("\n");
 478                 }
 479         }
 480
 481         printf("Supported configuration options");
 482         if (channel_groups) {
 483                 if (!channel_group)
 484                         printf(" across all channel groups");
 485                 else
 486                         printf(" on channel group %s", channel_group->name);
 487         }
 488         printf(":\n");
 489         for (o = 0; o < opts->len; o++) {
 490                 key = g_array_index(opts, uint32_t, o);
 491                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key)))
 492                         continue;
 493
 494                 if (key == SR_CONF_TRIGGER_MATCH) {
 495                         if (maybe_config_list(driver, sdi, channel_group, key,
 496                                         &gvar_list) != SR_OK) {
 497                                 printf("\n");
 498                                 continue;
 499                         }
 500                         int32 = g_variant_get_fixed_array(gvar_list,
 501                                         &num_elements, sizeof(int32_t));
 502                         printf("    Supported triggers: ");
 503                         for (i = 0; i < num_elements; i++) {
 504                                 switch (int32[i]) {
 505                                 case SR_TRIGGER_ZERO:
 506                                         c = '0';
 507                                         break;
 508                                 case SR_TRIGGER_ONE:
 509                                         c = '1';
 510                                         break;
 511                                 case SR_TRIGGER_RISING:
 512                                         c = 'r';
 513                                         break;
 514                                 case SR_TRIGGER_FALLING:
 515                                         c = 'f';
 516                                         break;
 517                                 case SR_TRIGGER_EDGE:
 518                                         c = 'e';
 519                                         break;
 520                                 case SR_TRIGGER_OVER:
 521                                         c = 'o';
 522                                         break;
 523                                 case SR_TRIGGER_UNDER:
 524                                         c = 'u';
 525                                         break;
 526                                 default:
 527                                         c = 0;
 528                                         break;
 529                                 }
 530                                 if (c)
 531                                         printf("%c ", c);
 532                         }
 533                         printf("\n");
 534                         g_variant_unref(gvar_list);
 535
 536                 } else if (key == SR_CONF_LIMIT_SAMPLES
 537                                 && (sr_dev_config_capabilities_list(sdi, NULL, key)
 538                                         & SR_CONF_LIST)) {
 539                         /*
 540                          * If implemented in config_list(), this denotes the
 541                          * maximum number of samples a device can send. This
 542                          * really applies only to logic analyzers, and then
 543                          * only to those that don't support compression, or
 544                          * have it turned off by default. The values returned
 545                          * are the low/high limits.
 546                          */
 547                         if (sr_config_list(driver, sdi, channel_group, key,
 548                                         &gvar) == SR_OK) {
 549                                 g_variant_get(gvar, "(tt)", &low, &high);
 550                                 g_variant_unref(gvar);
 551                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
 552                         }
 553
 554                 } else if (key == SR_CONF_SAMPLERATE) {
 555                         /* Supported samplerates */
 556                         printf("    %s", srci->id);
 557                         cur_rate = ~0ull;
 558                         if (maybe_config_get(driver, sdi, channel_group,
 559                                 SR_CONF_SAMPLERATE, &gvar) == SR_OK) {
 560                                 if (g_variant_is_of_type(gvar, G_VARIANT_TYPE_UINT64))
 561                                         cur_rate = g_variant_get_uint64(gvar);
 562                                 g_variant_unref(gvar);
 563                         }
 564                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
 565                                         &gvar_dict) != SR_OK) {
 566                                 printf("\n");
 567                                 continue;
 568                         }
 569                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
 570                                         "samplerates", G_VARIANT_TYPE("at")))) {
 571                                 uint64 = g_variant_get_fixed_array(gvar_list,
 572                                                 &num_elements, sizeof(uint64_t));
 573                                 printf(" - supported samplerates:\n");
 574                                 for (i = 0; i < num_elements; i++) {
 575                                         rate = uint64[i];
 576                                         s = sr_samplerate_string(rate);
 577                                         if (!s)
 578                                                 continue;
 579                                         printf("      %s", s);
 580                                         if (rate == cur_rate)
 581                                                 printf(" (current)");
 582                                         printf("\n");
 583                                         g_free(s);
 584                                 }
 585                                 g_variant_unref(gvar_list);
 586                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
 587                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 588                                 uint64 = g_variant_get_fixed_array(gvar_list,
 589                                                 &num_elements, sizeof(uint64_t));
 590                                 /* low */
 591                                 if (!(s = sr_samplerate_string(uint64[0])))
 592                                         continue;
 593                                 printf(" (%s", s);
 594                                 g_free(s);
 595                                 /* high */
 596                                 if (!(s = sr_samplerate_string(uint64[1])))
 597                                         continue;
 598                                 printf(" - %s", s);
 599                                 g_free(s);
 600                                 /* step */
 601                                 if (!(s = sr_samplerate_string(uint64[2])))
 602                                         continue;
 603                                 printf(" in steps of %s)\n", s);
 604                                 g_free(s);
 605                                 g_variant_unref(gvar_list);
 606                         }
 607                         g_variant_unref(gvar_dict);
 608
 609                 } else if (srci->datatype == SR_T_UINT64) {
 610                         printf("    %s: ", srci->id);
 611                         gvar = NULL;
 612                         if (maybe_config_get(driver, sdi, channel_group, key,
 613                                         &gvar) == SR_OK) {
 614                                 tmp_uint64 = g_variant_get_uint64(gvar);
 615                                 g_variant_unref(gvar);
 616                         } else
 617                                 tmp_uint64 = 0;
 618                         if (maybe_config_list(driver, sdi, channel_group,
 619                                         key, &gvar_list) != SR_OK) {
 620                                 if (gvar) {
 621                                         /* Can't list it, but we have a value to show. */
 622                                         printf("%"PRIu64" (current)", tmp_uint64);
 623                                 }
 624                                 printf("\n");
 625                                 continue;
 626                         }
 627                         uint64 = g_variant_get_fixed_array(gvar_list,
 628                                         &num_elements, sizeof(uint64_t));
 629                         printf(" - supported values:\n");
 630                         for (i = 0; i < num_elements; i++) {
 631                                 printf("      %"PRIu64, uint64[i]);
 632                                 if (gvar && tmp_uint64 == uint64[i])
 633                                         printf(" (current)");
 634                                 printf("\n");
 635                         }
 636                         g_variant_unref(gvar_list);
 637
 638                 } else if (srci->datatype == SR_T_STRING) {
 639                         printf("    %s: ", srci->id);
 640                         if (maybe_config_get(driver, sdi, channel_group, key,
 641                                         &gvar) == SR_OK) {
 642                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
 643                                 g_variant_unref(gvar);
 644                         } else
 645                                 tmp_str = NULL;
 646
 647                         if (maybe_config_list(driver, sdi, channel_group, key,
 648                                         &gvar) != SR_OK) {
 649                                 if (tmp_str) {
 650                                         /* Can't list it, but we have a value to show. */
 651                                         printf("%s (current)", tmp_str);
 652                                 }
 653                                 printf("\n");
 654                                 g_free(tmp_str);
 655                                 continue;
 656                         }
 657
 658                         stropts = g_variant_get_strv(gvar, &num_elements);
 659                         for (i = 0; i < num_elements; i++) {
 660                                 if (i)
 661                                         printf(", ");
 662                                 printf("%s", stropts[i]);
 663                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
 664                                         printf(" (current)");
 665                         }
 666                         printf("\n");
 667                         g_free(stropts);
 668                         g_free(tmp_str);
 669                         g_variant_unref(gvar);
 670
 671                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
 672                         printf("    %s: ", srci->id);
 673                         if (maybe_config_list(driver, sdi, channel_group, key,
 674                                         &gvar_list) != SR_OK) {
 675                                 printf("\n");
 676                                 continue;
 677                         }
 678
 679                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 680                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
 681                                 g_variant_unref(gvar);
 682                         } else {
 683                                 cur_low = 0;
 684                                 cur_high = 0;
 685                         }
 686
 687                         num_elements = g_variant_n_children(gvar_list);
 688                         for (i = 0; i < num_elements; i++) {
 689                                 gvar = g_variant_get_child_value(gvar_list, i);
 690                                 g_variant_get(gvar, "(tt)", &low, &high);
 691                                 g_variant_unref(gvar);
 692                                 if (i)
 693                                         printf(", ");
 694                                 printf("%"PRIu64"-%"PRIu64, low, high);
 695                                 if (low == cur_low && high == cur_high)
 696                                         printf(" (current)");
 697                         }
 698                         printf("\n");
 699                         g_variant_unref(gvar_list);
 700
 701                 } else if (srci->datatype == SR_T_BOOL) {
 702                         printf("    %s: ", srci->id);
 703                         if (maybe_config_get(driver, sdi, channel_group, key,
 704                                         &gvar) == SR_OK) {
 705                                 if (g_variant_get_boolean(gvar))
 706                                         printf("on (current), off\n");
 707                                 else
 708                                         printf("on, off (current)\n");
 709                                 g_variant_unref(gvar);
 710                         } else
 711                                 printf("on, off\n");
 712
 713                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
 714                         printf("    %s: ", srci->id);
 715                         if (maybe_config_list(driver, sdi, channel_group, key,
 716                                         &gvar_list) != SR_OK) {
 717                                 printf("\n");
 718                                 continue;
 719                         }
 720
 721                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 722                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
 723                                 g_variant_unref(gvar);
 724                         } else {
 725                                 dcur_low = 0;
 726                                 dcur_high = 0;
 727                         }
 728
 729                         num_elements = g_variant_n_children(gvar_list);
 730                         for (i = 0; i < num_elements; i++) {
 731                                 gvar = g_variant_get_child_value(gvar_list, i);
 732                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
 733                                 g_variant_unref(gvar);
 734                                 if (i)
 735                                         printf(", ");
 736                                 printf("%.1f-%.1f", dlow, dhigh);
 737                                 if (dlow == dcur_low && dhigh == dcur_high)
 738                                         printf(" (current)");
 739                         }
 740                         printf("\n");
 741                         g_variant_unref(gvar_list);
 742
 743                 } else if (srci->datatype == SR_T_FLOAT) {
 744                         printf("    %s: ", srci->id);
 745                         tmp_flt = 0.0;
 746                         have_tmp_flt = FALSE;
 747                         if (maybe_config_get(driver, sdi, channel_group, key,
 748                                         &gvar) == SR_OK) {
 749                                 tmp_flt = g_variant_get_double(gvar);
 750                                 have_tmp_flt = TRUE;
 751                                 g_variant_unref(gvar);
 752                         }
 753                         if (maybe_config_list(driver, sdi, channel_group, key,
 754                                         &gvar) != SR_OK) {
 755                                 if (have_tmp_flt) {
 756                                         /* Can't list, but got a value to show. */
 757                                         printf("%f (current)", tmp_flt);
 758                                 }
 759                                 printf("\n");
 760                                 continue;
 761                         }
 762                         fltopts = g_variant_get_fixed_array(gvar,
 763                                 &num_elements, sizeof(tmp_flt));
 764                         for (i = 0; i < num_elements; i++) {
 765                                 if (i)
 766                                         printf(", ");
 767                                 printf("%f", fltopts[i]);
 768                                 if (have_tmp_flt && fltopts[i] == tmp_flt)
 769                                         printf(" (current)");
 770                         }
 771                         printf("\n");
 772                         g_variant_unref(gvar);
 773
 774                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
 775                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
 776                         printf("    %s", srci->id);
 777                         if (maybe_config_get(driver, sdi, channel_group, key,
 778                                         &gvar) == SR_OK) {
 779                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
 780                                 g_variant_unref(gvar);
 781                         } else
 782                                 cur_p = cur_q = 0;
 783
 784                         if (maybe_config_list(driver, sdi, channel_group,
 785                                         key, &gvar_list) != SR_OK) {
 786                                 printf("\n");
 787                                 continue;
 788                         }
 789                         printf(" - supported values:\n");
 790                         num_elements = g_variant_n_children(gvar_list);
 791                         for (i = 0; i < num_elements; i++) {
 792                                 gvar = g_variant_get_child_value(gvar_list, i);
 793                                 g_variant_get(gvar, "(tt)", &p, &q);
 794                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
 795                                         s = sr_period_string(p, q);
 796                                 else
 797                                         s = sr_voltage_string(p, q);
 798                                 printf("      %s", s);
 799                                 g_free(s);
 800                                 if (p == cur_p && q == cur_q)
 801                                         printf(" (current)");
 802                                 printf("\n");
 803                         }
 804                         g_variant_unref(gvar_list);
 805
 806                 } else if (srci->datatype == SR_T_MQ) {
 807                         printf("    %s: ", srci->id);
 808                         if (maybe_config_get(driver, sdi, channel_group, key,
 809                                         &gvar) == SR_OK
 810                                         && g_variant_is_of_type(gvar, G_VARIANT_TYPE_TUPLE)
 811                                         && g_variant_n_children(gvar) == 2) {
 812                                 g_variant_get(gvar, "(ut)", &cur_mq, &cur_mqflags);
 813                                 g_variant_unref(gvar);
 814                         } else
 815                                 cur_mq = cur_mqflags = 0;
 816
 817                         if (maybe_config_list(driver, sdi, channel_group,
 818                                         key, &gvar_list) != SR_OK) {
 819                                 printf("\n");
 820                                 continue;
 821                         }
 822                         printf(" - supported measurements:\n");
 823                         num_elements = g_variant_n_children(gvar_list);
 824                         for (i = 0; i < num_elements; i++) {
 825                                 printf("      ");
 826                                 gvar = g_variant_get_child_value(gvar_list, i);
 827                                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
 828                                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
 829                                         printf("%s", srmqi->id);
 830                                 else
 831                                         printf("%d", mq);
 832                                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
 833                                         if (!(mqflags & mask))
 834                                                 continue;
 835                                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
 836                                                 printf("/%s", srmqfi->id);
 837                                         else
 838                                                 printf("/%" PRIu64, mqflags & mask);
 839                                 }
 840                                 if (mq == cur_mq && mqflags == cur_mqflags)
 841                                         printf(" (current)");
 842                                 printf("\n");
 843                         }
 844                         g_variant_unref(gvar_list);
 845
 846                 } else {
 847
 848                         /* Everything else */
 849                         printf("    %s\n", srci->id);
 850                 }
 851         }
 852         g_array_free(opts, TRUE);
 853
 854         sr_dev_close(sdi);
 855
 856 }
 857
 858 #ifdef HAVE_SRD
 859 static void show_pd_detail_single(const char *pd)
 860 {
 861         struct srd_decoder *dec;
 862         struct srd_decoder_option *o;
 863         struct srd_channel *pdch;
 864         struct srd_decoder_annotation_row *r;
 865         GSList *l, *ll, *ol;
 866         int idx;
 867         char **pdtokens, **pdtok, *optsep, **ann, **bin, *val, *doc, *str;
 868
 869         pdtokens = g_strsplit(pd, ",", -1);
 870         for (pdtok = pdtokens; *pdtok; pdtok++) {
 871                 /* Strip options. */
 872                 if ((optsep = strchr(*pdtok, ':')))
 873                         *optsep = '\0';
 874                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 875                         g_critical("Protocol decoder %s not found.", *pdtok);
 876                         return;
 877                 }
 878                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 879                                 dec->id, dec->name, dec->longname, dec->desc);
 880                 printf("License: %s\n", dec->license);
 881                 printf("Possible decoder input IDs:\n");
 882                 if (dec->inputs) {
 883                         for (l = dec->inputs; l; l = l->next) {
 884                                 str = l->data;
 885                                 printf("- %s\n", str);
 886                         }
 887                 } else {
 888                         printf("None.\n");
 889                 }
 890                 printf("Possible decoder output IDs:\n");
 891                 if (dec->outputs) {
 892                         for (l = dec->outputs; l; l = l->next) {
 893                                 str = l->data;
 894                                 printf("- %s\n", str);
 895                         }
 896                 } else {
 897                         printf("None.\n");
 898                 }
 899                 printf("Decoder tags:\n");
 900 #if DECODERS_HAVE_TAGS
 901                 if (dec->tags) {
 902                         for (l = dec->tags; l; l = l->next) {
 903                                 str = l->data;
 904                                 printf("- %s\n", str);
 905                         }
 906                 } else {
 907                         printf("None.\n");
 908                 }
 909 #endif
 910                 printf("Annotation classes:\n");
 911                 if (dec->annotations) {
 912                         for (l = dec->annotations; l; l = l->next) {
 913                                 ann = l->data;
 914                                 printf("- %s: %s\n", ann[0], ann[1]);
 915                         }
 916                 } else {
 917                         printf("None.\n");
 918                 }
 919                 printf("Annotation rows:\n");
 920                 if (dec->annotation_rows) {
 921                         for (l = dec->annotation_rows; l; l = l->next) {
 922                                 r = l->data;
 923                                 printf("- %s (%s): ", r->id, r->desc);
 924                                 for (ll = r->ann_classes; ll; ll = ll->next) {
 925                                         idx = GPOINTER_TO_INT(ll->data);
 926                                         ann = g_slist_nth_data(dec->annotations, idx);
 927                                         printf("%s", ann[0]);
 928                                         if (ll->next)
 929                                                 printf(", ");
 930                                 }
 931                                 printf("\n");
 932                         }
 933                 } else {
 934                         printf("None.\n");
 935                 }
 936                 printf("Binary classes:\n");
 937                 if (dec->binary) {
 938                         for (l = dec->binary; l; l = l->next) {
 939                                 bin = l->data;
 940                                 printf("- %s: %s\n", bin[0], bin[1]);
 941                         }
 942                 } else {
 943                         printf("None.\n");
 944                 }
 945                 printf("Required channels:\n");
 946                 if (dec->channels) {
 947                         for (l = dec->channels; l; l = l->next) {
 948                                 pdch = l->data;
 949                                 printf("- %s (%s): %s\n",
 950                                        pdch->id, pdch->name, pdch->desc);
 951                         }
 952                 } else {
 953                         printf("None.\n");
 954                 }
 955                 printf("Optional channels:\n");
 956                 if (dec->opt_channels) {
 957                         for (l = dec->opt_channels; l; l = l->next) {
 958                                 pdch = l->data;
 959                                 printf("- %s (%s): %s\n",
 960                                        pdch->id, pdch->name, pdch->desc);
 961                         }
 962                 } else {
 963                         printf("None.\n");
 964                 }
 965                 printf("Options:\n");
 966                 if (dec->options) {
 967                         for (l = dec->options; l; l = l->next) {
 968                                 o = l->data;
 969                                 printf("- %s: %s (", o->id, o->desc);
 970                                 for (ol = o->values; ol; ol = ol->next) {
 971                                         val = g_variant_print(ol->data, FALSE);
 972                                         printf("%s, ", val);
 973                                         g_free(val);
 974                                 }
 975                                 val = g_variant_print(o->def, FALSE);
 976                                 printf("default %s)\n", val);
 977                                 g_free(val);
 978                         }
 979                 } else {
 980                         printf("None.\n");
 981                 }
 982                 if ((doc = srd_decoder_doc_get(dec))) {
 983                         printf("Documentation:\n%s\n",
 984                                doc[0] == '\n' ? doc + 1 : doc);
 985                         g_free(doc);
 986                 }
 987         }
 988
 989         g_strfreev(pdtokens);
 990 }
 991
 992 void show_pd_detail(void)
 993 {
 994         for (int i = 0; opt_pds[i]; i++)
 995                 show_pd_detail_single(opt_pds[i]);
 996 }
 997 #endif
 998
 999 void show_input(void)
1000 {
1001         const struct sr_input_module *imod;
1002         const struct sr_option **opts;
1003         GSList *l;
1004         int i;
1005         char *s, **tok;
1006
1007         tok = g_strsplit(opt_input_format, ":", 0);
1008         if (!tok[0] || !(imod = sr_input_find(tok[0])))
1009                 g_critical("Input module '%s' not found.", opt_input_format);
1010
1011         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
1012                         sr_input_name_get(imod));
1013         printf("Description: %s\n", sr_input_description_get(imod));
1014         if ((opts = sr_input_options_get(imod))) {
1015                 printf("Options:\n");
1016                 for (i = 0; opts[i]; i++) {
1017                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
1018                         if (opts[i]->def) {
1019                                 s = g_variant_print(opts[i]->def, FALSE);
1020                                 printf(" (default %s", s);
1021                                 g_free(s);
1022                                 if (opts[i]->values) {
1023                                         printf(", possible values ");
1024                                         for (l = opts[i]->values; l; l = l->next) {
1025                                                 s = g_variant_print((GVariant *)l->data, FALSE);
1026                                                 printf("%s%s", s, l->next ? ", " : "");
1027                                                 g_free(s);
1028                                         }
1029                                 }
1030                                 printf(")");
1031                         }
1032                         printf("\n");
1033                 }
1034                 sr_input_options_free(opts);
1035         }
1036         g_strfreev(tok);
1037 }
1038
1039 void show_output(void)
1040 {
1041         const struct sr_output_module *omod;
1042         const struct sr_option **opts;
1043         GSList *l;
1044         int i;
1045         char *s, **tok;
1046
1047         tok = g_strsplit(opt_output_format, ":", 0);
1048         if (!tok[0] || !(omod = sr_output_find(tok[0])))
1049                 g_critical("Output module '%s' not found.", opt_output_format);
1050
1051         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
1052                         sr_output_name_get(omod));
1053         printf("Description: %s\n", sr_output_description_get(omod));
1054         if ((opts = sr_output_options_get(omod))) {
1055                 printf("Options:\n");
1056                 for (i = 0; opts[i]; i++) {
1057                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
1058                         if (opts[i]->def) {
1059                                 s = g_variant_print(opts[i]->def, FALSE);
1060                                 printf(" (default %s", s);
1061                                 g_free(s);
1062                                 if (opts[i]->values) {
1063                                         printf(", possible values ");
1064                                         for (l = opts[i]->values; l; l = l->next) {
1065                                                 s = g_variant_print((GVariant *)l->data, FALSE);
1066                                                 printf("%s%s", s, l->next ? ", " : "");
1067                                                 g_free(s);
1068                                         }
1069                                 }
1070                                 printf(")");
1071                         }
1072                         printf("\n");
1073                 }
1074                 sr_output_options_free(opts);
1075         }
1076         g_strfreev(tok);
1077 }
1078
1079 void show_transform(void)
1080 {
1081         const struct sr_transform_module *tmod;
1082         const struct sr_option **opts;
1083         GSList *l;
1084         int i;
1085         char *s, **tok;
1086
1087         tok = g_strsplit(opt_transform_module, ":", 0);
1088         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
1089                 g_critical("Transform module '%s' not found.", opt_transform_module);
1090
1091         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
1092                         sr_transform_name_get(tmod));
1093         printf("Description: %s\n", sr_transform_description_get(tmod));
1094         if ((opts = sr_transform_options_get(tmod))) {
1095                 printf("Options:\n");
1096                 for (i = 0; opts[i]; i++) {
1097                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
1098                         if (opts[i]->def) {
1099                                 s = g_variant_print(opts[i]->def, FALSE);
1100                                 printf(" (default %s", s);
1101                                 g_free(s);
1102                                 if (opts[i]->values) {
1103                                         printf(", possible values ");
1104                                         for (l = opts[i]->values; l; l = l->next) {
1105                                                 s = g_variant_print((GVariant *)l->data, FALSE);
1106                                                 printf("%s%s", s, l->next ? ", " : "");
1107                                                 g_free(s);
1108                                         }
1109                                 }
1110                                 printf(")");
1111                         }
1112                         printf("\n");
1113                 }
1114                 sr_transform_options_free(opts);
1115         }
1116         g_strfreev(tok);
1117 }
1118
1119 static void print_serial_port(gpointer data, gpointer user_data)
1120 {
1121         struct sr_serial_port *port;
1122
1123         port = (void *)data;
1124         (void)user_data;
1125         printf("  %s\t%s\n", port->name, port->description);
1126 }
1127
1128 void show_serial_ports(void)
1129 {
1130         GSList *serial_ports;
1131
1132         serial_ports = sr_serial_list(NULL);
1133         if (!serial_ports)
1134                 return;
1135
1136         printf("Available serial/HID/BT/BLE ports:\n");
1137         g_slist_foreach(serial_ports, print_serial_port, NULL);
1138         g_slist_free_full(serial_ports, (GDestroyNotify)sr_serial_free);
1139 }