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 gboolean config_key_has_cap(const struct sr_dev_inst *sdi,
 139            struct sr_channel_group *cg, uint32_t key, uint32_t capability)
 140 {
 141         struct sr_dev_driver *driver;
 142         GVariant *gvar_opts;
 143         const uint32_t *opts;
 144         gsize num_opts, i;
 145
 146         driver = sr_dev_inst_driver_get(sdi);
 147         if (sr_config_list(driver, sdi, cg, SR_CONF_DEVICE_OPTIONS,
 148                         &gvar_opts) != SR_OK)
 149                 return FALSE;
 150
 151         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
 152         for (i = 0; i < num_opts; i++) {
 153                 if ((opts[i] & SR_CONF_MASK) == key) {
 154                         if (opts[i] & capability)
 155                                 return TRUE;
 156                         else
 157                                 return FALSE;
 158                 }
 159         }
 160
 161         return FALSE;
 162 }
 163
 164
 165 static void print_dev_line(const struct sr_dev_inst *sdi)
 166 {
 167         struct sr_channel *ch;
 168         GSList *sl, *l, *channels;
 169         GString *s;
 170         GVariant *gvar;
 171         struct sr_dev_driver *driver;
 172         const char *vendor, *model, *version;
 173
 174         driver = sr_dev_inst_driver_get(sdi);
 175         vendor = sr_dev_inst_vendor_get(sdi);
 176         model = sr_dev_inst_model_get(sdi);
 177         version = sr_dev_inst_version_get(sdi);
 178         channels = sr_dev_inst_channels_get(sdi);
 179
 180         s = g_string_sized_new(128);
 181         g_string_assign(s, driver->name);
 182         if (config_key_has_cap(sdi, NULL, SR_CONF_CONN, SR_CONF_GET)
 183                         && sr_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
 184                 g_string_append(s, ":conn=");
 185                 g_string_append(s, g_variant_get_string(gvar, NULL));
 186                 g_variant_unref(gvar);
 187         }
 188         g_string_append(s, " - ");
 189         if (vendor && vendor[0])
 190                 g_string_append_printf(s, "%s ", vendor);
 191         if (model && model[0])
 192                 g_string_append_printf(s, "%s ", model);
 193         if (version && version[0])
 194                 g_string_append_printf(s, "%s ", version);
 195         if (channels) {
 196                 if (g_slist_length(channels) == 1) {
 197                         ch = channels->data;
 198                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
 199                 } else {
 200                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
 201                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
 202                         for (l = sl; l; l = l->next) {
 203                                 ch = l->data;
 204                                 g_string_append_printf(s, " %s", ch->name);
 205                         }
 206                         g_slist_free(sl);
 207                 }
 208         }
 209         g_string_append_printf(s, "\n");
 210         printf("%s", s->str);
 211         g_string_free(s, TRUE);
 212
 213 }
 214
 215 void show_dev_list(void)
 216 {
 217         struct sr_dev_inst *sdi;
 218         GSList *devices, *l;
 219
 220         if (!(devices = device_scan()))
 221                 return;
 222
 223         printf("The following devices were found:\n");
 224         for (l = devices; l; l = l->next) {
 225                 sdi = l->data;
 226                 print_dev_line(sdi);
 227         }
 228         g_slist_free(devices);
 229
 230 }
 231
 232 void show_drv_detail(struct sr_dev_driver *driver)
 233 {
 234         const struct sr_config_info *srci;
 235         GVariant *gvar_opts;
 236         const uint32_t *opts;
 237         gsize num_elements, i;
 238
 239         if (sr_config_list(driver, NULL, NULL, SR_CONF_DEVICE_OPTIONS,
 240                         &gvar_opts) == SR_OK) {
 241                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 242                                 sizeof(uint32_t));
 243                 if (num_elements) {
 244                         printf("Driver functions:\n");
 245                         for (i = 0; i < num_elements; i++) {
 246                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
 247                                         continue;
 248                                 printf("    %s\n", srci->name);
 249                         }
 250                 }
 251                 g_variant_unref(gvar_opts);
 252         }
 253
 254         if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
 255                         &gvar_opts) == SR_OK) {
 256                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 257                                 sizeof(uint32_t));
 258                 if (num_elements) {
 259                         printf("Scan options:\n");
 260                         for (i = 0; i < num_elements; i++) {
 261                                 if (!(srci = sr_config_info_get(opts[i] & SR_CONF_MASK)))
 262                                         continue;
 263                                 printf("    %s\n", srci->id);
 264                         }
 265                 }
 266                 g_variant_unref(gvar_opts);
 267         }
 268 }
 269
 270 void show_dev_detail(void)
 271 {
 272         struct sr_dev_driver *driver_from_opt, *driver;
 273         struct sr_dev_inst *sdi;
 274         const struct sr_config_info *srci;
 275         struct sr_channel *ch;
 276         struct sr_channel_group *channel_group, *cg;
 277         GSList *devices, *cgl, *chl, *channel_groups;
 278         GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
 279         gsize num_opts, num_elements;
 280         double dlow, dhigh, dcur_low, dcur_high;
 281         const uint64_t *uint64, p, q, low, high;
 282         uint64_t tmp_uint64, cur_low, cur_high, cur_p, cur_q;
 283         const uint32_t *opts;
 284         const int32_t *int32;
 285         uint32_t key, o;
 286         unsigned int num_devices, i;
 287         char *tmp_str, *s, c;
 288         const char **stropts;
 289
 290         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
 291                 /* A driver was specified, report driver-wide options now. */
 292                 show_drv_detail(driver_from_opt);
 293         }
 294
 295         if (!(devices = device_scan())) {
 296                 g_critical("No devices found.");
 297                 return;
 298         }
 299
 300         num_devices = g_slist_length(devices);
 301         if (num_devices > 1) {
 302                 g_critical("%d devices found. Use --scan to show them, "
 303                                 "and select one to show.", num_devices);
 304                 return;
 305         }
 306
 307         sdi = devices->data;
 308         g_slist_free(devices);
 309         print_dev_line(sdi);
 310
 311         driver = sr_dev_inst_driver_get(sdi);
 312         channel_groups = sr_dev_inst_channel_groups_get(sdi);
 313
 314         if (sr_dev_open(sdi) != SR_OK) {
 315                 g_critical("Failed to open device.");
 316                 return;
 317         }
 318
 319         /* Selected channels and channel group may affect which options are
 320          * returned, or which values for them. */
 321         select_channels(sdi);
 322         channel_group = select_channel_group(sdi);
 323
 324         if (sr_config_list(driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
 325                         &gvar_opts) != SR_OK)
 326                 /* Driver supports no device instance options. */
 327                 return;
 328
 329         if (channel_groups) {
 330                 printf("Channel groups:\n");
 331                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
 332                         cg = cgl->data;
 333                         printf("    %s: channel%s", cg->name,
 334                                         g_slist_length(cg->channels) > 1 ? "s" : "");
 335                         for (chl = cg->channels; chl; chl = chl->next) {
 336                                 ch = chl->data;
 337                                 printf(" %s", ch->name);
 338                         }
 339                         printf("\n");
 340                 }
 341         }
 342
 343         printf("Supported configuration options");
 344         if (channel_groups) {
 345                 if (!channel_group)
 346                         printf(" across all channel groups");
 347                 else
 348                         printf(" on channel group %s", channel_group->name);
 349         }
 350         printf(":\n");
 351         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
 352         for (o = 0; o < num_opts; o++) {
 353                 key = opts[o] & SR_CONF_MASK;
 354                 if (!(srci = sr_config_info_get(key)))
 355                         continue;
 356
 357                 if (key == SR_CONF_TRIGGER_MATCH) {
 358                         if (sr_config_list(driver, sdi, channel_group, key,
 359                                         &gvar_list) != SR_OK) {
 360                                 printf("\n");
 361                                 continue;
 362                         }
 363                         int32 = g_variant_get_fixed_array(gvar_list,
 364                                         &num_elements, sizeof(int32_t));
 365                         printf("    Supported triggers: ");
 366                         for (i = 0; i < num_elements; i++) {
 367                                 switch(int32[i]) {
 368                                 case SR_TRIGGER_ZERO:
 369                                         c = '0';
 370                                         break;
 371                                 case SR_TRIGGER_ONE:
 372                                         c = '1';
 373                                         break;
 374                                 case SR_TRIGGER_RISING:
 375                                         c = 'r';
 376                                         break;
 377                                 case SR_TRIGGER_FALLING:
 378                                         c = 'f';
 379                                         break;
 380                                 case SR_TRIGGER_EDGE:
 381                                         c = 'e';
 382                                         break;
 383                                 case SR_TRIGGER_OVER:
 384                                         c = 'o';
 385                                         break;
 386                                 case SR_TRIGGER_UNDER:
 387                                         c = 'u';
 388                                         break;
 389                                 default:
 390                                         c = 0;
 391                                         break;
 392                                 }
 393                                 if (c)
 394                                         printf("%c ", c);
 395                         }
 396                         printf("\n");
 397                         g_variant_unref(gvar_list);
 398
 399                 } else if (key == SR_CONF_LIMIT_SAMPLES) {
 400                         /* If implemented in config_list(), this denotes the
 401                          * maximum number of samples a device can send. This
 402                          * really applies only to logic analyzers, and then
 403                          * only to those that don't support compression, or
 404                          * have it turned off by default. The values returned
 405                          * are the low/high limits. */
 406                         if (sr_config_list(driver, sdi, channel_group, key,
 407                                         &gvar) != SR_OK) {
 408                                 continue;
 409                         }
 410                         g_variant_get(gvar, "(tt)", &low, &high);
 411                         g_variant_unref(gvar);
 412                         printf("    Maximum number of samples: %"PRIu64"\n", high);
 413
 414                 } else if (key == SR_CONF_SAMPLERATE) {
 415                         /* Supported samplerates */
 416                         printf("    %s", srci->id);
 417                         if (sr_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
 418                                         &gvar_dict) != SR_OK) {
 419                                 printf("\n");
 420                                 continue;
 421                         }
 422                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
 423                                         "samplerates", G_VARIANT_TYPE("at")))) {
 424                                 uint64 = g_variant_get_fixed_array(gvar_list,
 425                                                 &num_elements, sizeof(uint64_t));
 426                                 printf(" - supported samplerates:\n");
 427                                 for (i = 0; i < num_elements; i++) {
 428                                         if (!(s = sr_samplerate_string(uint64[i])))
 429                                                 continue;
 430                                         printf("      %s\n", s);
 431                                         g_free(s);
 432                                 }
 433                                 g_variant_unref(gvar_list);
 434                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
 435                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 436                                 uint64 = g_variant_get_fixed_array(gvar_list,
 437                                                 &num_elements, sizeof(uint64_t));
 438                                 /* low */
 439                                 if (!(s = sr_samplerate_string(uint64[0])))
 440                                         continue;
 441                                 printf(" (%s", s);
 442                                 g_free(s);
 443                                 /* high */
 444                                 if (!(s = sr_samplerate_string(uint64[1])))
 445                                         continue;
 446                                 printf(" - %s", s);
 447                                 g_free(s);
 448                                 /* step */
 449                                 if (!(s = sr_samplerate_string(uint64[2])))
 450                                         continue;
 451                                 printf(" in steps of %s)\n", s);
 452                                 g_free(s);
 453                                 g_variant_unref(gvar_list);
 454                         }
 455                         g_variant_unref(gvar_dict);
 456
 457                 } else if (srci->datatype == SR_T_UINT64) {
 458                         printf("    %s", srci->id);
 459                         gvar = NULL;
 460                         if (sr_config_get(driver, sdi, channel_group, key,
 461                                         &gvar) == SR_OK) {
 462                                 tmp_uint64 = g_variant_get_uint64(gvar);
 463                                 g_variant_unref(gvar);
 464                         } else
 465                                 tmp_uint64 = 0;
 466                         if (sr_config_list(driver, sdi, channel_group,
 467                                         SR_CONF_BUFFERSIZE, &gvar_list) != SR_OK) {
 468                                 if (gvar) {
 469                                         /* Can't list it, but we have a value to show. */
 470                                         printf("%"PRIu64" (current)", tmp_uint64);
 471                                 }
 472                                 printf("\n");
 473                                 continue;
 474                         }
 475                         uint64 = g_variant_get_fixed_array(gvar_list,
 476                                         &num_elements, sizeof(uint64_t));
 477                         printf(" - supported values:\n");
 478                         for (i = 0; i < num_elements; i++) {
 479                                 printf("      %"PRIu64, uint64[i]);
 480                                 if (gvar && tmp_uint64 == uint64[i])
 481                                         printf(" (current)");
 482                                 printf("\n");
 483                         }
 484                         g_variant_unref(gvar_list);
 485
 486                 } else if (srci->datatype == SR_T_STRING) {
 487                         printf("    %s: ", srci->id);
 488                         if (sr_config_get(driver, sdi, channel_group, key,
 489                                         &gvar) == SR_OK) {
 490                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
 491                                 g_variant_unref(gvar);
 492                         } else
 493                                 tmp_str = NULL;
 494
 495                         if (sr_config_list(driver, sdi, channel_group, key,
 496                                         &gvar) != SR_OK) {
 497                                 if (tmp_str) {
 498                                         /* Can't list it, but we have a value to show. */
 499                                         printf("%s (current)", tmp_str);
 500                                 }
 501                                 printf("\n");
 502                                 g_free(tmp_str);
 503                                 continue;
 504                         }
 505
 506                         stropts = g_variant_get_strv(gvar, &num_elements);
 507                         for (i = 0; i < num_elements; i++) {
 508                                 if (i)
 509                                         printf(", ");
 510                                 printf("%s", stropts[i]);
 511                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
 512                                         printf(" (current)");
 513                         }
 514                         printf("\n");
 515                         g_free(stropts);
 516                         g_free(tmp_str);
 517                         g_variant_unref(gvar);
 518
 519                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
 520                         printf("    %s: ", srci->id);
 521                         if (sr_config_list(driver, sdi, channel_group, key,
 522                                         &gvar_list) != SR_OK) {
 523                                 printf("\n");
 524                                 continue;
 525                         }
 526
 527                         if (sr_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 528                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
 529                                 g_variant_unref(gvar);
 530                         } else {
 531                                 cur_low = 0;
 532                                 cur_high = 0;
 533                         }
 534
 535                         num_elements = g_variant_n_children(gvar_list);
 536                         for (i = 0; i < num_elements; i++) {
 537                                 gvar = g_variant_get_child_value(gvar_list, i);
 538                                 g_variant_get(gvar, "(tt)", &low, &high);
 539                                 g_variant_unref(gvar);
 540                                 if (i)
 541                                         printf(", ");
 542                                 printf("%"PRIu64"-%"PRIu64, low, high);
 543                                 if (low == cur_low && high == cur_high)
 544                                         printf(" (current)");
 545                         }
 546                         printf("\n");
 547                         g_variant_unref(gvar_list);
 548
 549                 } else if (srci->datatype == SR_T_BOOL) {
 550                         printf("    %s: ", srci->id);
 551                         if (sr_config_get(driver, sdi, channel_group, key,
 552                                         &gvar) == SR_OK) {
 553                                 if (g_variant_get_boolean(gvar))
 554                                         printf("on (current), off\n");
 555                                 else
 556                                         printf("on, off (current)\n");
 557                                 g_variant_unref(gvar);
 558                         } else
 559                                 printf("on, off\n");
 560
 561                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
 562                         printf("    %s: ", srci->id);
 563                         if (sr_config_list(driver, sdi, channel_group, key,
 564                                         &gvar_list) != SR_OK) {
 565                                 printf("\n");
 566                                 continue;
 567                         }
 568
 569                         if (sr_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 570                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
 571                                 g_variant_unref(gvar);
 572                         } else {
 573                                 dcur_low = 0;
 574                                 dcur_high = 0;
 575                         }
 576
 577                         num_elements = g_variant_n_children(gvar_list);
 578                         for (i = 0; i < num_elements; i++) {
 579                                 gvar = g_variant_get_child_value(gvar_list, i);
 580                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
 581                                 g_variant_unref(gvar);
 582                                 if (i)
 583                                         printf(", ");
 584                                 printf("%.1f-%.1f", dlow, dhigh);
 585                                 if (dlow == dcur_low && dhigh == dcur_high)
 586                                         printf(" (current)");
 587                         }
 588                         printf("\n");
 589                         g_variant_unref(gvar_list);
 590
 591                 } else if (srci->datatype == SR_T_FLOAT) {
 592                         printf("    %s: ", srci->id);
 593                         if (sr_config_get(driver, sdi, channel_group, key,
 594                                         &gvar) == SR_OK) {
 595                                 printf("%f\n", g_variant_get_double(gvar));
 596                                 g_variant_unref(gvar);
 597                         } else
 598                                 printf("\n");
 599
 600                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
 601                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
 602                         printf("    %s", srci->id);
 603                         if (sr_config_get(driver, sdi, channel_group, key,
 604                                         &gvar) == SR_OK) {
 605                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
 606                                 g_variant_unref(gvar);
 607                         } else
 608                                 cur_p = cur_q = 0;
 609
 610                         if (sr_config_list(driver, sdi, channel_group,
 611                                         key, &gvar_list) != SR_OK) {
 612                                 printf("\n");
 613                                 continue;
 614                         }
 615                         printf(" - supported values:\n");
 616                         num_elements = g_variant_n_children(gvar_list);
 617                         for (i = 0; i < num_elements; i++) {
 618                                 gvar = g_variant_get_child_value(gvar_list, i);
 619                                 g_variant_get(gvar, "(tt)", &p, &q);
 620                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
 621                                         s = sr_period_string(p * q);
 622                                 else
 623                                         s = sr_voltage_string(p, q);
 624                                 printf("      %s", s);
 625                                 g_free(s);
 626                                 if (p == cur_p && q == cur_q)
 627                                         printf(" (current)");
 628                                 printf("\n");
 629                         }
 630                         g_variant_unref(gvar_list);
 631
 632                 } else {
 633
 634                         /* Everything else */
 635                         printf("    %s\n", srci->id);
 636                 }
 637         }
 638         g_variant_unref(gvar_opts);
 639
 640         sr_dev_close(sdi);
 641
 642 }
 643
 644 #ifdef HAVE_SRD
 645 void show_pd_detail(void)
 646 {
 647         struct srd_decoder *dec;
 648         struct srd_decoder_option *o;
 649         struct srd_channel *pdch;
 650         struct srd_decoder_annotation_row *r;
 651         GSList *l, *ll, *ol;
 652         int idx;
 653         char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
 654
 655         pdtokens = g_strsplit(opt_pds, ",", -1);
 656         for (pdtok = pdtokens; *pdtok; pdtok++) {
 657                 /* Strip options. */
 658                 if ((optsep = strchr(*pdtok, ':')))
 659                         *optsep = '\0';
 660                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 661                         g_critical("Protocol decoder %s not found.", *pdtok);
 662                         return;
 663                 }
 664                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 665                                 dec->id, dec->name, dec->longname, dec->desc);
 666                 printf("License: %s\n", dec->license);
 667                 printf("Annotation classes:\n");
 668                 if (dec->annotations) {
 669                         for (l = dec->annotations; l; l = l->next) {
 670                                 ann = l->data;
 671                                 printf("- %s: %s\n", ann[0], ann[1]);
 672                         }
 673                 } else {
 674                         printf("None.\n");
 675                 }
 676                 printf("Annotation rows:\n");
 677                 if (dec->annotation_rows) {
 678                         for (l = dec->annotation_rows; l; l = l->next) {
 679                                 r = l->data;
 680                                 printf("- %s (%s): ", r->id, r->desc);
 681                                 for (ll = r->ann_classes; ll; ll = ll->next) {
 682                                         idx = GPOINTER_TO_INT(ll->data);
 683                                         ann = g_slist_nth_data(dec->annotations, idx);
 684                                         printf("%s", ann[0]);
 685                                         if (ll->next)
 686                                                 printf(", ");
 687                                 }
 688                                 printf("\n");
 689                         }
 690                 } else {
 691                         printf("None.\n");
 692                 }
 693                 printf("Required channels:\n");
 694                 if (dec->channels) {
 695                         for (l = dec->channels; l; l = l->next) {
 696                                 pdch = l->data;
 697                                 printf("- %s (%s): %s\n",
 698                                        pdch->id, pdch->name, pdch->desc);
 699                         }
 700                 } else {
 701                         printf("None.\n");
 702                 }
 703                 printf("Optional channels:\n");
 704                 if (dec->opt_channels) {
 705                         for (l = dec->opt_channels; l; l = l->next) {
 706                                 pdch = l->data;
 707                                 printf("- %s (%s): %s\n",
 708                                        pdch->id, pdch->name, pdch->desc);
 709                         }
 710                 } else {
 711                         printf("None.\n");
 712                 }
 713                 printf("Options:\n");
 714                 if (dec->options) {
 715                         for (l = dec->options; l; l = l->next) {
 716                                 o = l->data;
 717                                 printf("- %s: %s (", o->id, o->desc);
 718                                 for (ol = o->values; ol; ol = ol->next) {
 719                                         val = g_variant_print(ol->data, FALSE);
 720                                         printf("%s, ", val);
 721                                         g_free(val);
 722                                 }
 723                                 val = g_variant_print(o->def, FALSE);
 724                                 printf("default %s)\n", val);
 725                                 g_free(val);
 726                         }
 727                 } else {
 728                         printf("None.\n");
 729                 }
 730                 if ((doc = srd_decoder_doc_get(dec))) {
 731                         printf("Documentation:\n%s\n",
 732                                doc[0] == '\n' ? doc + 1 : doc);
 733                         g_free(doc);
 734                 }
 735         }
 736
 737         g_strfreev(pdtokens);
 738 }
 739 #endif
 740
 741 void show_input(void)
 742 {
 743         const struct sr_input_module *imod;
 744         const struct sr_option **opts;
 745         GSList *l;
 746         int i;
 747         char *s, **tok;
 748
 749         tok = g_strsplit(opt_input_format, ":", 0);
 750         if (!tok[0] || !(imod = sr_input_find(tok[0])))
 751                 g_critical("Input module '%s' not found.", opt_input_format);
 752
 753         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
 754                         sr_input_name_get(imod));
 755         printf("Description: %s\n", sr_input_description_get(imod));
 756         if ((opts = sr_input_options_get(imod))) {
 757                 printf("Options:\n");
 758                 for (i = 0; opts[i]; i++) {
 759                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 760                         if (opts[i]->def) {
 761                                 s = g_variant_print(opts[i]->def, FALSE);
 762                                 printf(" (default %s", s);
 763                                 g_free(s);
 764                                 if (opts[i]->values) {
 765                                         printf(", possible values ");
 766                                         for (l = opts[i]->values; l; l = l->next) {
 767                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 768                                                 printf("%s%s", s, l->next ? ", " : "");
 769                                                 g_free(s);
 770                                         }
 771                                 }
 772                                 printf(")");
 773                         }
 774                         printf("\n");
 775                 }
 776                 sr_input_options_free(opts);
 777         }
 778         g_strfreev(tok);
 779 }
 780
 781 void show_output(void)
 782 {
 783         const struct sr_output_module *omod;
 784         const struct sr_option **opts;
 785         GSList *l;
 786         int i;
 787         char *s, **tok;
 788
 789         tok = g_strsplit(opt_output_format, ":", 0);
 790         if (!tok[0] || !(omod = sr_output_find(tok[0])))
 791                 g_critical("Output module '%s' not found.", opt_output_format);
 792
 793         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
 794                         sr_output_name_get(omod));
 795         printf("Description: %s\n", sr_output_description_get(omod));
 796         if ((opts = sr_output_options_get(omod))) {
 797                 printf("Options:\n");
 798                 for (i = 0; opts[i]; i++) {
 799                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 800                         if (opts[i]->def) {
 801                                 s = g_variant_print(opts[i]->def, FALSE);
 802                                 printf(" (default %s", s);
 803                                 g_free(s);
 804                                 if (opts[i]->values) {
 805                                         printf(", possible values ");
 806                                         for (l = opts[i]->values; l; l = l->next) {
 807                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 808                                                 printf("%s%s", s, l->next ? ", " : "");
 809                                                 g_free(s);
 810                                         }
 811                                 }
 812                                 printf(")");
 813                         }
 814                         printf("\n");
 815                 }
 816                 sr_output_options_free(opts);
 817         }
 818         g_strfreev(tok);
 819 }
 820