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