show.c

   1 /*
   2  * This file is part of the sigrok-cli project.
   3  *
   4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <glib.h>
  21 #include <string.h>
  22 #include "sigrok-cli.h"
  23
  24 static gint sort_inputs(gconstpointer a, gconstpointer b)
  25 {
  26         return strcmp(sr_input_id_get((struct sr_input_module *)a),
  27                         sr_input_id_get((struct sr_input_module *)b));
  28 }
  29
  30 static gint sort_outputs(gconstpointer a, gconstpointer b)
  31 {
  32         return strcmp(sr_output_id_get((struct sr_output_module *)a),
  33                         sr_output_id_get((struct sr_output_module *)b));
  34 }
  35
  36 static gint sort_transforms(gconstpointer a, gconstpointer b)
  37 {
  38         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
  39                         sr_transform_id_get((struct sr_transform_module *)b));
  40 }
  41
  42 static gint sort_drivers(gconstpointer a, gconstpointer b)
  43 {
  44         const struct sr_dev_driver *sdda = a, *sddb = b;
  45
  46         return strcmp(sdda->name, sddb->name);
  47 }
  48
  49 #ifdef HAVE_SRD
  50 static gint sort_pds(gconstpointer a, gconstpointer b)
  51 {
  52         const struct srd_decoder *sda = a, *sdb = b;
  53
  54         return strcmp(sda->id, sdb->id);
  55 }
  56 #endif
  57
  58 void show_version(void)
  59 {
  60         struct sr_dev_driver **drivers, *driver;
  61         const struct sr_input_module **inputs, *input;
  62         const struct sr_output_module **outputs, *output;
  63         const struct sr_transform_module **transforms, *transform;
  64         const GSList *l;
  65         GSList *sl;
  66         int i;
  67 #ifdef HAVE_SRD
  68         struct srd_decoder *dec;
  69 #endif
  70
  71         printf("sigrok-cli %s\n\n", VERSION);
  72
  73         printf("Using libsigrok %s (lib version %s).\n",
  74                sr_package_version_string_get(), sr_lib_version_string_get());
  75 #ifdef HAVE_SRD
  76         printf("Using libsigrokdecode %s (lib version %s).\n\n",
  77                srd_package_version_string_get(), srd_lib_version_string_get());
  78 #endif
  79
  80         printf("Supported hardware drivers:\n");
  81         drivers = sr_driver_list(sr_ctx);
  82         for (sl = NULL, i = 0; drivers[i]; i++)
  83                 sl = g_slist_append(sl, drivers[i]);
  84         sl = g_slist_sort(sl, sort_drivers);
  85         for (l = sl; l; l = l->next) {
  86                 driver = l->data;
  87                 printf("  %-20s %s\n", driver->name, driver->longname);
  88         }
  89         printf("\n");
  90         g_slist_free(sl);
  91
  92         printf("Supported input formats:\n");
  93         inputs = sr_input_list();
  94         for (sl = NULL, i = 0; inputs[i]; i++)
  95                 sl = g_slist_append(sl, (gpointer)inputs[i]);
  96         sl = g_slist_sort(sl, sort_inputs);
  97         for (l = sl; l; l = l->next) {
  98                 input = l->data;
  99                 printf("  %-20s %s\n", sr_input_id_get(input),
 100                                 sr_input_description_get(input));
 101         }
 102         printf("\n");
 103         g_slist_free(sl);
 104
 105         printf("Supported output formats:\n");
 106         outputs = sr_output_list();
 107         for (sl = NULL, i = 0; outputs[i]; i++)
 108                 sl = g_slist_append(sl, (gpointer)outputs[i]);
 109         sl = g_slist_sort(sl, sort_outputs);
 110         for (l = sl; l; l = l->next) {
 111                 output = l->data;
 112                 printf("  %-20s %s\n", sr_output_id_get(output),
 113                                 sr_output_description_get(output));
 114         }
 115         printf("\n");
 116         g_slist_free(sl);
 117
 118         printf("Supported transform modules:\n");
 119         transforms = sr_transform_list();
 120         for (sl = NULL, i = 0; transforms[i]; i++)
 121                 sl = g_slist_append(sl, (gpointer)transforms[i]);
 122         sl = g_slist_sort(sl, sort_transforms);
 123         for (l = sl; l; l = l->next) {
 124                 transform = l->data;
 125                 printf("  %-20s %s\n", sr_transform_id_get(transform),
 126                                 sr_transform_description_get(transform));
 127         }
 128         printf("\n");
 129         g_slist_free(sl);
 130
 131 #ifdef HAVE_SRD
 132         if (srd_init(NULL) == SRD_OK) {
 133                 printf("Supported protocol decoders:\n");
 134                 srd_decoder_load_all();
 135                 sl = g_slist_copy((GSList *)srd_decoder_list());
 136                 sl = g_slist_sort(sl, sort_pds);
 137                 for (l = sl; l; l = l->next) {
 138                         dec = l->data;
 139                         printf("  %-20s %s\n", dec->id, dec->longname);
 140                         /* Print protocol description upon "-l 3" or higher. */
 141                         if (opt_loglevel >= SR_LOG_INFO)
 142                                 printf("  %-20s %s\n", "", dec->desc);
 143                 }
 144                 g_slist_free(sl);
 145                 srd_exit();
 146         }
 147         printf("\n");
 148 #endif
 149 }
 150
 151 static gint sort_channels(gconstpointer a, gconstpointer b)
 152 {
 153         const struct sr_channel *pa = a, *pb = b;
 154
 155         return pa->index - pb->index;
 156 }
 157
 158 static void print_dev_line(const struct sr_dev_inst *sdi)
 159 {
 160         struct sr_channel *ch;
 161         GSList *sl, *l, *channels;
 162         GString *s;
 163         GVariant *gvar;
 164         struct sr_dev_driver *driver;
 165         const char *vendor, *model, *version;
 166
 167         driver = sr_dev_inst_driver_get(sdi);
 168         vendor = sr_dev_inst_vendor_get(sdi);
 169         model = sr_dev_inst_model_get(sdi);
 170         version = sr_dev_inst_version_get(sdi);
 171         channels = sr_dev_inst_channels_get(sdi);
 172
 173         s = g_string_sized_new(128);
 174         g_string_assign(s, driver->name);
 175         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
 176                 g_string_append(s, ":conn=");
 177                 g_string_append(s, g_variant_get_string(gvar, NULL));
 178                 g_variant_unref(gvar);
 179         }
 180         g_string_append(s, " - ");
 181         if (vendor && vendor[0])
 182                 g_string_append_printf(s, "%s ", vendor);
 183         if (model && model[0])
 184                 g_string_append_printf(s, "%s ", model);
 185         if (version && version[0])
 186                 g_string_append_printf(s, "%s ", version);
 187         if (channels) {
 188                 if (g_slist_length(channels) == 1) {
 189                         ch = channels->data;
 190                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
 191                 } else {
 192                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
 193                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
 194                         for (l = sl; l; l = l->next) {
 195                                 ch = l->data;
 196                                 g_string_append_printf(s, " %s", ch->name);
 197                         }
 198                         g_slist_free(sl);
 199                 }
 200         }
 201         g_string_append_printf(s, "\n");
 202         printf("%s", s->str);
 203         g_string_free(s, TRUE);
 204
 205 }
 206
 207 void show_dev_list(void)
 208 {
 209         struct sr_dev_inst *sdi;
 210         GSList *devices, *l;
 211
 212         if (!(devices = device_scan()))
 213                 return;
 214
 215         printf("The following devices were found:\n");
 216         for (l = devices; l; l = l->next) {
 217                 sdi = l->data;
 218                 print_dev_line(sdi);
 219         }
 220         g_slist_free(devices);
 221
 222 }
 223
 224 void show_drv_detail(struct sr_dev_driver *driver)
 225 {
 226         const struct sr_config_info *srci;
 227         GVariant *gvar_opts;
 228         const uint32_t *opts;
 229         gsize num_elements, i;
 230
 231         if (sr_config_list(driver, NULL, NULL, SR_CONF_DEVICE_OPTIONS,
 232                         &gvar_opts) == SR_OK) {
 233                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 234                                 sizeof(uint32_t));
 235                 if (num_elements) {
 236                         printf("Driver functions:\n");
 237                         for (i = 0; i < num_elements; i++) {
 238                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
 239                                         continue;
 240                                 printf("    %s\n", srci->name);
 241                         }
 242                 }
 243                 g_variant_unref(gvar_opts);
 244         }
 245
 246         if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
 247                         &gvar_opts) == SR_OK) {
 248                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 249                                 sizeof(uint32_t));
 250                 if (num_elements) {
 251                         printf("Scan options:\n");
 252                         for (i = 0; i < num_elements; i++) {
 253                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
 254                                         continue;
 255                                 printf("    %s\n", srci->id);
 256                         }
 257                 }
 258                 g_variant_unref(gvar_opts);
 259         }
 260 }
 261
 262 void show_dev_detail(void)
 263 {
 264         struct sr_dev_driver *driver_from_opt, *driver;
 265         struct sr_dev_inst *sdi;
 266         const struct sr_config_info *srci;
 267         struct sr_channel *ch;
 268         struct sr_channel_group *channel_group, *cg;
 269         GSList *devices, *cgl, *chl, *channel_groups;
 270         GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
 271         gsize num_opts, num_elements;
 272         double dlow, dhigh, dcur_low, dcur_high;
 273         const uint64_t *uint64, p, q, low, high;
 274         uint64_t tmp_uint64, cur_low, cur_high, cur_p, cur_q;
 275         const uint32_t *opts;
 276         const int32_t *int32;
 277         uint32_t key, o;
 278         unsigned int num_devices, i;
 279         char *tmp_str, *s, c;
 280         const char **stropts;
 281
 282         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
 283                 /* A driver was specified, report driver-wide options now. */
 284                 show_drv_detail(driver_from_opt);
 285         }
 286
 287         if (!(devices = device_scan())) {
 288                 g_critical("No devices found.");
 289                 return;
 290         }
 291
 292         num_devices = g_slist_length(devices);
 293         if (num_devices > 1) {
 294                 g_critical("%d devices found. Use --scan to show them, "
 295                                 "and select one to show.", num_devices);
 296                 return;
 297         }
 298
 299         sdi = devices->data;
 300         g_slist_free(devices);
 301         print_dev_line(sdi);
 302
 303         driver = sr_dev_inst_driver_get(sdi);
 304         channel_groups = sr_dev_inst_channel_groups_get(sdi);
 305
 306         if (sr_dev_open(sdi) != SR_OK) {
 307                 g_critical("Failed to open device.");
 308                 return;
 309         }
 310
 311         /*
 312          * Selected channels and channel group may affect which options are
 313          * returned, or which values for them.
 314          */
 315         select_channels(sdi);
 316         channel_group = select_channel_group(sdi);
 317
 318         if (sr_config_list(driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
 319                         &gvar_opts) != SR_OK)
 320                 /* Driver supports no device instance options. */
 321                 return;
 322
 323         if (channel_groups) {
 324                 printf("Channel groups:\n");
 325                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
 326                         cg = cgl->data;
 327                         printf("    %s: channel%s", cg->name,
 328                                         g_slist_length(cg->channels) > 1 ? "s" : "");
 329                         for (chl = cg->channels; chl; chl = chl->next) {
 330                                 ch = chl->data;
 331                                 printf(" %s", ch->name);
 332                         }
 333                         printf("\n");
 334                 }
 335         }
 336
 337         printf("Supported configuration options");
 338         if (channel_groups) {
 339                 if (!channel_group)
 340                         printf(" across all channel groups");
 341                 else
 342                         printf(" on channel group %s", channel_group->name);
 343         }
 344         printf(":\n");
 345         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
 346         for (o = 0; o < num_opts; o++) {
 347                 key = opts[o] & SR_CONF_MASK;
 348                 if (!(srci = sr_config_info_get(key)))
 349                         continue;
 350
 351                 if (key == SR_CONF_TRIGGER_MATCH) {
 352                         if (maybe_config_list(driver, sdi, channel_group, key,
 353                                         &gvar_list) != SR_OK) {
 354                                 printf("\n");
 355                                 continue;
 356                         }
 357                         int32 = g_variant_get_fixed_array(gvar_list,
 358                                         &num_elements, sizeof(int32_t));
 359                         printf("    Supported triggers: ");
 360                         for (i = 0; i < num_elements; i++) {
 361                                 switch (int32[i]) {
 362                                 case SR_TRIGGER_ZERO:
 363                                         c = '0';
 364                                         break;
 365                                 case SR_TRIGGER_ONE:
 366                                         c = '1';
 367                                         break;
 368                                 case SR_TRIGGER_RISING:
 369                                         c = 'r';
 370                                         break;
 371                                 case SR_TRIGGER_FALLING:
 372                                         c = 'f';
 373                                         break;
 374                                 case SR_TRIGGER_EDGE:
 375                                         c = 'e';
 376                                         break;
 377                                 case SR_TRIGGER_OVER:
 378                                         c = 'o';
 379                                         break;
 380                                 case SR_TRIGGER_UNDER:
 381                                         c = 'u';
 382                                         break;
 383                                 default:
 384                                         c = 0;
 385                                         break;
 386                                 }
 387                                 if (c)
 388                                         printf("%c ", c);
 389                         }
 390                         printf("\n");
 391                         g_variant_unref(gvar_list);
 392
 393                 } else if (key == SR_CONF_LIMIT_SAMPLES
 394                                 && config_key_has_cap(driver, sdi, NULL, key, SR_CONF_LIST)) {
 395                         /*
 396                          * If implemented in config_list(), this denotes the
 397                          * maximum number of samples a device can send. This
 398                          * really applies only to logic analyzers, and then
 399                          * only to those that don't support compression, or
 400                          * have it turned off by default. The values returned
 401                          * are the low/high limits.
 402                          */
 403                         if (sr_config_list(driver, sdi, channel_group, key,
 404                                         &gvar) == SR_OK) {
 405                                 g_variant_get(gvar, "(tt)", &low, &high);
 406                                 g_variant_unref(gvar);
 407                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
 408                         }
 409
 410                 } else if (key == SR_CONF_SAMPLERATE) {
 411                         /* Supported samplerates */
 412                         printf("    %s", srci->id);
 413                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
 414                                         &gvar_dict) != SR_OK) {
 415                                 printf("\n");
 416                                 continue;
 417                         }
 418                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
 419                                         "samplerates", G_VARIANT_TYPE("at")))) {
 420                                 uint64 = g_variant_get_fixed_array(gvar_list,
 421                                                 &num_elements, sizeof(uint64_t));
 422                                 printf(" - supported samplerates:\n");
 423                                 for (i = 0; i < num_elements; i++) {
 424                                         if (!(s = sr_samplerate_string(uint64[i])))
 425                                                 continue;
 426                                         printf("      %s\n", s);
 427                                         g_free(s);
 428                                 }
 429                                 g_variant_unref(gvar_list);
 430                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
 431                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 432                                 uint64 = g_variant_get_fixed_array(gvar_list,
 433                                                 &num_elements, sizeof(uint64_t));
 434                                 /* low */
 435                                 if (!(s = sr_samplerate_string(uint64[0])))
 436                                         continue;
 437                                 printf(" (%s", s);
 438                                 g_free(s);
 439                                 /* high */
 440                                 if (!(s = sr_samplerate_string(uint64[1])))
 441                                         continue;
 442                                 printf(" - %s", s);
 443                                 g_free(s);
 444                                 /* step */
 445                                 if (!(s = sr_samplerate_string(uint64[2])))
 446                                         continue;
 447                                 printf(" in steps of %s)\n", s);
 448                                 g_free(s);
 449                                 g_variant_unref(gvar_list);
 450                         }
 451                         g_variant_unref(gvar_dict);
 452
 453                 } else if (srci->datatype == SR_T_UINT64) {
 454                         printf("    %s: ", srci->id);
 455                         gvar = NULL;
 456                         if (maybe_config_get(driver, sdi, channel_group, key,
 457                                         &gvar) == SR_OK) {
 458                                 tmp_uint64 = g_variant_get_uint64(gvar);
 459                                 g_variant_unref(gvar);
 460                         } else
 461                                 tmp_uint64 = 0;
 462                         if (maybe_config_list(driver, sdi, channel_group,
 463                                         key, &gvar_list) != SR_OK) {
 464                                 if (gvar) {
 465                                         /* Can't list it, but we have a value to show. */
 466                                         printf("%"PRIu64" (current)", tmp_uint64);
 467                                 }
 468                                 printf("\n");
 469                                 continue;
 470                         }
 471                         uint64 = g_variant_get_fixed_array(gvar_list,
 472                                         &num_elements, sizeof(uint64_t));
 473                         printf(" - supported values:\n");
 474                         for (i = 0; i < num_elements; i++) {
 475                                 printf("      %"PRIu64, uint64[i]);
 476                                 if (gvar && tmp_uint64 == uint64[i])
 477                                         printf(" (current)");
 478                                 printf("\n");
 479                         }
 480                         g_variant_unref(gvar_list);
 481
 482                 } else if (srci->datatype == SR_T_STRING) {
 483                         printf("    %s: ", srci->id);
 484                         if (maybe_config_get(driver, sdi, channel_group, key,
 485                                         &gvar) == SR_OK) {
 486                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
 487                                 g_variant_unref(gvar);
 488                         } else
 489                                 tmp_str = NULL;
 490
 491                         if (maybe_config_list(driver, sdi, channel_group, key,
 492                                         &gvar) != SR_OK) {
 493                                 if (tmp_str) {
 494                                         /* Can't list it, but we have a value to show. */
 495                                         printf("%s (current)", tmp_str);
 496                                 }
 497                                 printf("\n");
 498                                 g_free(tmp_str);
 499                                 continue;
 500                         }
 501
 502                         stropts = g_variant_get_strv(gvar, &num_elements);
 503                         for (i = 0; i < num_elements; i++) {
 504                                 if (i)
 505                                         printf(", ");
 506                                 printf("%s", stropts[i]);
 507                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
 508                                         printf(" (current)");
 509                         }
 510                         printf("\n");
 511                         g_free(stropts);
 512                         g_free(tmp_str);
 513                         g_variant_unref(gvar);
 514
 515                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
 516                         printf("    %s: ", srci->id);
 517                         if (maybe_config_list(driver, sdi, channel_group, key,
 518                                         &gvar_list) != SR_OK) {
 519                                 printf("\n");
 520                                 continue;
 521                         }
 522
 523                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 524                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
 525                                 g_variant_unref(gvar);
 526                         } else {
 527                                 cur_low = 0;
 528                                 cur_high = 0;
 529                         }
 530
 531                         num_elements = g_variant_n_children(gvar_list);
 532                         for (i = 0; i < num_elements; i++) {
 533                                 gvar = g_variant_get_child_value(gvar_list, i);
 534                                 g_variant_get(gvar, "(tt)", &low, &high);
 535                                 g_variant_unref(gvar);
 536                                 if (i)
 537                                         printf(", ");
 538                                 printf("%"PRIu64"-%"PRIu64, low, high);
 539                                 if (low == cur_low && high == cur_high)
 540                                         printf(" (current)");
 541                         }
 542                         printf("\n");
 543                         g_variant_unref(gvar_list);
 544
 545                 } else if (srci->datatype == SR_T_BOOL) {
 546                         printf("    %s: ", srci->id);
 547                         if (maybe_config_get(driver, sdi, channel_group, key,
 548                                         &gvar) == SR_OK) {
 549                                 if (g_variant_get_boolean(gvar))
 550                                         printf("on (current), off\n");
 551                                 else
 552                                         printf("on, off (current)\n");
 553                                 g_variant_unref(gvar);
 554                         } else
 555                                 printf("on, off\n");
 556
 557                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
 558                         printf("    %s: ", srci->id);
 559                         if (maybe_config_list(driver, sdi, channel_group, key,
 560                                         &gvar_list) != SR_OK) {
 561                                 printf("\n");
 562                                 continue;
 563                         }
 564
 565                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 566                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
 567                                 g_variant_unref(gvar);
 568                         } else {
 569                                 dcur_low = 0;
 570                                 dcur_high = 0;
 571                         }
 572
 573                         num_elements = g_variant_n_children(gvar_list);
 574                         for (i = 0; i < num_elements; i++) {
 575                                 gvar = g_variant_get_child_value(gvar_list, i);
 576                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
 577                                 g_variant_unref(gvar);
 578                                 if (i)
 579                                         printf(", ");
 580                                 printf("%.1f-%.1f", dlow, dhigh);
 581                                 if (dlow == dcur_low && dhigh == dcur_high)
 582                                         printf(" (current)");
 583                         }
 584                         printf("\n");
 585                         g_variant_unref(gvar_list);
 586
 587                 } else if (srci->datatype == SR_T_FLOAT) {
 588                         printf("    %s: ", srci->id);
 589                         if (maybe_config_get(driver, sdi, channel_group, key,
 590                                         &gvar) == SR_OK) {
 591                                 printf("%f\n", g_variant_get_double(gvar));
 592                                 g_variant_unref(gvar);
 593                         } else
 594                                 printf("\n");
 595
 596                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
 597                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
 598                         printf("    %s", srci->id);
 599                         if (maybe_config_get(driver, sdi, channel_group, key,
 600                                         &gvar) == SR_OK) {
 601                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
 602                                 g_variant_unref(gvar);
 603                         } else
 604                                 cur_p = cur_q = 0;
 605
 606                         if (maybe_config_list(driver, sdi, channel_group,
 607                                         key, &gvar_list) != SR_OK) {
 608                                 printf("\n");
 609                                 continue;
 610                         }
 611                         printf(" - supported values:\n");
 612                         num_elements = g_variant_n_children(gvar_list);
 613                         for (i = 0; i < num_elements; i++) {
 614                                 gvar = g_variant_get_child_value(gvar_list, i);
 615                                 g_variant_get(gvar, "(tt)", &p, &q);
 616                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
 617                                         s = sr_period_string(p * q);
 618                                 else
 619                                         s = sr_voltage_string(p, q);
 620                                 printf("      %s", s);
 621                                 g_free(s);
 622                                 if (p == cur_p && q == cur_q)
 623                                         printf(" (current)");
 624                                 printf("\n");
 625                         }
 626                         g_variant_unref(gvar_list);
 627
 628                 } else {
 629
 630                         /* Everything else */
 631                         printf("    %s\n", srci->id);
 632                 }
 633         }
 634         g_variant_unref(gvar_opts);
 635
 636         sr_dev_close(sdi);
 637
 638 }
 639
 640 #ifdef HAVE_SRD
 641 void show_pd_detail(void)
 642 {
 643         struct srd_decoder *dec;
 644         struct srd_decoder_option *o;
 645         struct srd_channel *pdch;
 646         struct srd_decoder_annotation_row *r;
 647         GSList *l, *ll, *ol;
 648         int idx;
 649         char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
 650
 651         pdtokens = g_strsplit(opt_pds, ",", -1);
 652         for (pdtok = pdtokens; *pdtok; pdtok++) {
 653                 /* Strip options. */
 654                 if ((optsep = strchr(*pdtok, ':')))
 655                         *optsep = '\0';
 656                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 657                         g_critical("Protocol decoder %s not found.", *pdtok);
 658                         return;
 659                 }
 660                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 661                                 dec->id, dec->name, dec->longname, dec->desc);
 662                 printf("License: %s\n", dec->license);
 663                 printf("Annotation classes:\n");
 664                 if (dec->annotations) {
 665                         for (l = dec->annotations; l; l = l->next) {
 666                                 ann = l->data;
 667                                 printf("- %s: %s\n", ann[0], ann[1]);
 668                         }
 669                 } else {
 670                         printf("None.\n");
 671                 }
 672                 printf("Annotation rows:\n");
 673                 if (dec->annotation_rows) {
 674                         for (l = dec->annotation_rows; l; l = l->next) {
 675                                 r = l->data;
 676                                 printf("- %s (%s): ", r->id, r->desc);
 677                                 for (ll = r->ann_classes; ll; ll = ll->next) {
 678                                         idx = GPOINTER_TO_INT(ll->data);
 679                                         ann = g_slist_nth_data(dec->annotations, idx);
 680                                         printf("%s", ann[0]);
 681                                         if (ll->next)
 682                                                 printf(", ");
 683                                 }
 684                                 printf("\n");
 685                         }
 686                 } else {
 687                         printf("None.\n");
 688                 }
 689                 printf("Required channels:\n");
 690                 if (dec->channels) {
 691                         for (l = dec->channels; l; l = l->next) {
 692                                 pdch = l->data;
 693                                 printf("- %s (%s): %s\n",
 694                                        pdch->id, pdch->name, pdch->desc);
 695                         }
 696                 } else {
 697                         printf("None.\n");
 698                 }
 699                 printf("Optional channels:\n");
 700                 if (dec->opt_channels) {
 701                         for (l = dec->opt_channels; l; l = l->next) {
 702                                 pdch = l->data;
 703                                 printf("- %s (%s): %s\n",
 704                                        pdch->id, pdch->name, pdch->desc);
 705                         }
 706                 } else {
 707                         printf("None.\n");
 708                 }
 709                 printf("Options:\n");
 710                 if (dec->options) {
 711                         for (l = dec->options; l; l = l->next) {
 712                                 o = l->data;
 713                                 printf("- %s: %s (", o->id, o->desc);
 714                                 for (ol = o->values; ol; ol = ol->next) {
 715                                         val = g_variant_print(ol->data, FALSE);
 716                                         printf("%s, ", val);
 717                                         g_free(val);
 718                                 }
 719                                 val = g_variant_print(o->def, FALSE);
 720                                 printf("default %s)\n", val);
 721                                 g_free(val);
 722                         }
 723                 } else {
 724                         printf("None.\n");
 725                 }
 726                 if ((doc = srd_decoder_doc_get(dec))) {
 727                         printf("Documentation:\n%s\n",
 728                                doc[0] == '\n' ? doc + 1 : doc);
 729                         g_free(doc);
 730                 }
 731         }
 732
 733         g_strfreev(pdtokens);
 734 }
 735 #endif
 736
 737 void show_input(void)
 738 {
 739         const struct sr_input_module *imod;
 740         const struct sr_option **opts;
 741         GSList *l;
 742         int i;
 743         char *s, **tok;
 744
 745         tok = g_strsplit(opt_input_format, ":", 0);
 746         if (!tok[0] || !(imod = sr_input_find(tok[0])))
 747                 g_critical("Input module '%s' not found.", opt_input_format);
 748
 749         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
 750                         sr_input_name_get(imod));
 751         printf("Description: %s\n", sr_input_description_get(imod));
 752         if ((opts = sr_input_options_get(imod))) {
 753                 printf("Options:\n");
 754                 for (i = 0; opts[i]; i++) {
 755                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 756                         if (opts[i]->def) {
 757                                 s = g_variant_print(opts[i]->def, FALSE);
 758                                 printf(" (default %s", s);
 759                                 g_free(s);
 760                                 if (opts[i]->values) {
 761                                         printf(", possible values ");
 762                                         for (l = opts[i]->values; l; l = l->next) {
 763                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 764                                                 printf("%s%s", s, l->next ? ", " : "");
 765                                                 g_free(s);
 766                                         }
 767                                 }
 768                                 printf(")");
 769                         }
 770                         printf("\n");
 771                 }
 772                 sr_input_options_free(opts);
 773         }
 774         g_strfreev(tok);
 775 }
 776
 777 void show_output(void)
 778 {
 779         const struct sr_output_module *omod;
 780         const struct sr_option **opts;
 781         GSList *l;
 782         int i;
 783         char *s, **tok;
 784
 785         tok = g_strsplit(opt_output_format, ":", 0);
 786         if (!tok[0] || !(omod = sr_output_find(tok[0])))
 787                 g_critical("Output module '%s' not found.", opt_output_format);
 788
 789         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
 790                         sr_output_name_get(omod));
 791         printf("Description: %s\n", sr_output_description_get(omod));
 792         if ((opts = sr_output_options_get(omod))) {
 793                 printf("Options:\n");
 794                 for (i = 0; opts[i]; i++) {
 795                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 796                         if (opts[i]->def) {
 797                                 s = g_variant_print(opts[i]->def, FALSE);
 798                                 printf(" (default %s", s);
 799                                 g_free(s);
 800                                 if (opts[i]->values) {
 801                                         printf(", possible values ");
 802                                         for (l = opts[i]->values; l; l = l->next) {
 803                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 804                                                 printf("%s%s", s, l->next ? ", " : "");
 805                                                 g_free(s);
 806                                         }
 807                                 }
 808                                 printf(")");
 809                         }
 810                         printf("\n");
 811                 }
 812                 sr_output_options_free(opts);
 813         }
 814         g_strfreev(tok);
 815 }
 816
 817 void show_transform(void)
 818 {
 819         const struct sr_transform_module *tmod;
 820         const struct sr_option **opts;
 821         GSList *l;
 822         int i;
 823         char *s, **tok;
 824
 825         tok = g_strsplit(opt_transform_module, ":", 0);
 826         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
 827                 g_critical("Transform module '%s' not found.", opt_transform_module);
 828
 829         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
 830                         sr_transform_name_get(tmod));
 831         printf("Description: %s\n", sr_transform_description_get(tmod));
 832         if ((opts = sr_transform_options_get(tmod))) {
 833                 printf("Options:\n");
 834                 for (i = 0; opts[i]; i++) {
 835                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 836                         if (opts[i]->def) {
 837                                 s = g_variant_print(opts[i]->def, FALSE);
 838                                 printf(" (default %s", s);
 839                                 g_free(s);
 840                                 if (opts[i]->values) {
 841                                         printf(", possible values ");
 842                                         for (l = opts[i]->values; l; l = l->next) {
 843                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 844                                                 printf("%s%s", s, l->next ? ", " : "");
 845                                                 g_free(s);
 846                                         }
 847                                 }
 848                                 printf(")");
 849                         }
 850                         printf("\n");
 851                 }
 852                 sr_transform_options_free(opts);
 853         }
 854         g_strfreev(tok);
 855 }