show.c

   1 /*
   2  * This file is part of the sigrok-cli project.
   3  *
   4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include <glib.h>
  22 #include <string.h>
  23 #include "sigrok-cli.h"
  24
  25 static gint sort_inputs(gconstpointer a, gconstpointer b)
  26 {
  27         return strcmp(sr_input_id_get((struct sr_input_module *)a),
  28                         sr_input_id_get((struct sr_input_module *)b));
  29 }
  30
  31 static gint sort_outputs(gconstpointer a, gconstpointer b)
  32 {
  33         return strcmp(sr_output_id_get((struct sr_output_module *)a),
  34                         sr_output_id_get((struct sr_output_module *)b));
  35 }
  36
  37 static gint sort_transforms(gconstpointer a, gconstpointer b)
  38 {
  39         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
  40                         sr_transform_id_get((struct sr_transform_module *)b));
  41 }
  42
  43 static gint sort_drivers(gconstpointer a, gconstpointer b)
  44 {
  45         const struct sr_dev_driver *sdda = a, *sddb = b;
  46
  47         return strcmp(sdda->name, sddb->name);
  48 }
  49
  50 #ifdef HAVE_SRD
  51 static gint sort_pds(gconstpointer a, gconstpointer b)
  52 {
  53         const struct srd_decoder *sda = a, *sdb = b;
  54
  55         return strcmp(sda->id, sdb->id);
  56 }
  57 #endif
  58
  59 void show_version(void)
  60 {
  61         printf("sigrok-cli %s\n\n", SC_PACKAGE_VERSION_STRING);
  62
  63         printf("Using libsigrok %s (lib version %s).\n",
  64                sr_package_version_string_get(), sr_lib_version_string_get());
  65 #ifdef HAVE_SRD
  66         printf("Using libsigrokdecode %s (lib version %s).\n\n",
  67                srd_package_version_string_get(), srd_lib_version_string_get());
  68 #endif
  69 }
  70
  71 void show_supported(void)
  72 {
  73         struct sr_dev_driver **drivers, *driver;
  74         const struct sr_input_module **inputs, *input;
  75         const struct sr_output_module **outputs, *output;
  76         const struct sr_transform_module **transforms, *transform;
  77         const GSList *l;
  78         GSList *sl;
  79         int i;
  80 #ifdef HAVE_SRD
  81         struct srd_decoder *dec;
  82 #endif
  83
  84         printf("Supported hardware drivers:\n");
  85         drivers = sr_driver_list(sr_ctx);
  86         for (sl = NULL, i = 0; drivers[i]; i++)
  87                 sl = g_slist_append(sl, drivers[i]);
  88         sl = g_slist_sort(sl, sort_drivers);
  89         for (l = sl; l; l = l->next) {
  90                 driver = l->data;
  91                 printf("  %-20s %s\n", driver->name, driver->longname);
  92         }
  93         printf("\n");
  94         g_slist_free(sl);
  95
  96         printf("Supported input formats:\n");
  97         inputs = sr_input_list();
  98         for (sl = NULL, i = 0; inputs[i]; i++)
  99                 sl = g_slist_append(sl, (gpointer)inputs[i]);
 100         sl = g_slist_sort(sl, sort_inputs);
 101         for (l = sl; l; l = l->next) {
 102                 input = l->data;
 103                 printf("  %-20s %s\n", sr_input_id_get(input),
 104                                 sr_input_description_get(input));
 105         }
 106         printf("\n");
 107         g_slist_free(sl);
 108
 109         printf("Supported output formats:\n");
 110         outputs = sr_output_list();
 111         for (sl = NULL, i = 0; outputs[i]; i++)
 112                 sl = g_slist_append(sl, (gpointer)outputs[i]);
 113         sl = g_slist_sort(sl, sort_outputs);
 114         for (l = sl; l; l = l->next) {
 115                 output = l->data;
 116                 printf("  %-20s %s\n", sr_output_id_get(output),
 117                                 sr_output_description_get(output));
 118         }
 119         printf("\n");
 120         g_slist_free(sl);
 121
 122         printf("Supported transform modules:\n");
 123         transforms = sr_transform_list();
 124         for (sl = NULL, i = 0; transforms[i]; i++)
 125                 sl = g_slist_append(sl, (gpointer)transforms[i]);
 126         sl = g_slist_sort(sl, sort_transforms);
 127         for (l = sl; l; l = l->next) {
 128                 transform = l->data;
 129                 printf("  %-20s %s\n", sr_transform_id_get(transform),
 130                                 sr_transform_description_get(transform));
 131         }
 132         printf("\n");
 133         g_slist_free(sl);
 134
 135 #ifdef HAVE_SRD
 136         if (srd_init(NULL) == SRD_OK) {
 137                 printf("Supported protocol decoders:\n");
 138                 srd_decoder_load_all();
 139                 sl = g_slist_copy((GSList *)srd_decoder_list());
 140                 sl = g_slist_sort(sl, sort_pds);
 141                 for (l = sl; l; l = l->next) {
 142                         dec = l->data;
 143                         printf("  %-20s %s\n", dec->id, dec->longname);
 144                         /* Print protocol description upon "-l 3" or higher. */
 145                         if (opt_loglevel >= SR_LOG_INFO)
 146                                 printf("  %-20s %s\n", "", dec->desc);
 147                 }
 148                 g_slist_free(sl);
 149                 srd_exit();
 150         }
 151         printf("\n");
 152 #endif
 153 }
 154
 155 static gint sort_channels(gconstpointer a, gconstpointer b)
 156 {
 157         const struct sr_channel *pa = a, *pb = b;
 158
 159         return pa->index - pb->index;
 160 }
 161
 162 static void print_dev_line(const struct sr_dev_inst *sdi)
 163 {
 164         struct sr_channel *ch;
 165         GSList *sl, *l, *channels;
 166         GString *s;
 167         GVariant *gvar;
 168         struct sr_dev_driver *driver;
 169         const char *vendor, *model, *version;
 170
 171         driver = sr_dev_inst_driver_get(sdi);
 172         vendor = sr_dev_inst_vendor_get(sdi);
 173         model = sr_dev_inst_model_get(sdi);
 174         version = sr_dev_inst_version_get(sdi);
 175         channels = sr_dev_inst_channels_get(sdi);
 176
 177         s = g_string_sized_new(128);
 178         g_string_assign(s, driver->name);
 179         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
 180                 g_string_append(s, ":conn=");
 181                 g_string_append(s, g_variant_get_string(gvar, NULL));
 182                 g_variant_unref(gvar);
 183         }
 184         g_string_append(s, " - ");
 185         if (vendor && vendor[0])
 186                 g_string_append_printf(s, "%s ", vendor);
 187         if (model && model[0])
 188                 g_string_append_printf(s, "%s ", model);
 189         if (version && version[0])
 190                 g_string_append_printf(s, "%s ", version);
 191         if (channels) {
 192                 if (g_slist_length(channels) == 1) {
 193                         ch = channels->data;
 194                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
 195                 } else {
 196                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
 197                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
 198                         for (l = sl; l; l = l->next) {
 199                                 ch = l->data;
 200                                 g_string_append_printf(s, " %s", ch->name);
 201                         }
 202                         g_slist_free(sl);
 203                 }
 204         }
 205         g_string_append_printf(s, "\n");
 206         printf("%s", s->str);
 207         g_string_free(s, TRUE);
 208
 209 }
 210
 211 void show_dev_list(void)
 212 {
 213         struct sr_dev_inst *sdi;
 214         GSList *devices, *l;
 215
 216         if (!(devices = device_scan()))
 217                 return;
 218
 219         printf("The following devices were found:\n");
 220         for (l = devices; l; l = l->next) {
 221                 sdi = l->data;
 222                 print_dev_line(sdi);
 223         }
 224         g_slist_free(devices);
 225
 226 }
 227
 228 void show_drv_detail(struct sr_dev_driver *driver)
 229 {
 230         const struct sr_key_info *srci;
 231         GArray *opts;
 232         guint i;
 233
 234         if ((opts = sr_dev_options(driver, NULL, NULL))) {
 235                 if (opts->len > 0) {
 236                         printf("Driver functions:\n");
 237                         for (i = 0; i < opts->len; i++) {
 238                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
 239                                                 g_array_index(opts, uint32_t, i))))
 240                                         continue;
 241                                 printf("    %s\n", srci->name);
 242                         }
 243                 }
 244                 g_array_free(opts, TRUE);
 245         }
 246
 247         if ((opts = sr_driver_scan_options_list(driver))) {
 248                 if (opts->len > 0) {
 249                         printf("Scan options:\n");
 250                         for (i = 0; i < opts->len; i++) {
 251                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG,
 252                                                 g_array_index(opts, uint32_t, i))))
 253                                         continue;
 254                                 printf("    %s\n", srci->id);
 255                         }
 256                 }
 257                 g_array_free(opts, TRUE);
 258         }
 259 }
 260
 261 void show_dev_detail(void)
 262 {
 263         struct sr_dev_driver *driver_from_opt, *driver;
 264         struct sr_dev_inst *sdi;
 265         const struct sr_key_info *srci, *srmqi, *srmqfi;
 266         struct sr_channel *ch;
 267         struct sr_channel_group *channel_group, *cg;
 268         GSList *devices, *cgl, *chl, *channel_groups;
 269         GVariant *gvar_dict, *gvar_list, *gvar;
 270         gsize num_elements;
 271         double dlow, dhigh, dcur_low, dcur_high;
 272         const uint64_t *uint64, p, q, low, high;
 273         uint64_t tmp_uint64, mask, cur_low, cur_high, cur_p, cur_q;
 274         GArray *opts;
 275         const int32_t *int32;
 276         uint32_t key, o, cur_mq, mq;
 277         uint64_t cur_mqflags, mqflags;
 278         unsigned int num_devices, i, j;
 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 (!(opts = sr_dev_options(driver, sdi, channel_group)))
 319                 /* Driver supports no device instance options. */
 320                 return;
 321
 322         if (channel_groups) {
 323                 printf("Channel groups:\n");
 324                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
 325                         cg = cgl->data;
 326                         printf("    %s: channel%s", cg->name,
 327                                         g_slist_length(cg->channels) > 1 ? "s" : "");
 328                         for (chl = cg->channels; chl; chl = chl->next) {
 329                                 ch = chl->data;
 330                                 printf(" %s", ch->name);
 331                         }
 332                         printf("\n");
 333                 }
 334         }
 335
 336         printf("Supported configuration options");
 337         if (channel_groups) {
 338                 if (!channel_group)
 339                         printf(" across all channel groups");
 340                 else
 341                         printf(" on channel group %s", channel_group->name);
 342         }
 343         printf(":\n");
 344         for (o = 0; o < opts->len; o++) {
 345                 key = g_array_index(opts, uint32_t, o);
 346                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key)))
 347                         continue;
 348
 349                 if (key == SR_CONF_TRIGGER_MATCH) {
 350                         if (maybe_config_list(driver, sdi, channel_group, key,
 351                                         &gvar_list) != SR_OK) {
 352                                 printf("\n");
 353                                 continue;
 354                         }
 355                         int32 = g_variant_get_fixed_array(gvar_list,
 356                                         &num_elements, sizeof(int32_t));
 357                         printf("    Supported triggers: ");
 358                         for (i = 0; i < num_elements; i++) {
 359                                 switch (int32[i]) {
 360                                 case SR_TRIGGER_ZERO:
 361                                         c = '0';
 362                                         break;
 363                                 case SR_TRIGGER_ONE:
 364                                         c = '1';
 365                                         break;
 366                                 case SR_TRIGGER_RISING:
 367                                         c = 'r';
 368                                         break;
 369                                 case SR_TRIGGER_FALLING:
 370                                         c = 'f';
 371                                         break;
 372                                 case SR_TRIGGER_EDGE:
 373                                         c = 'e';
 374                                         break;
 375                                 case SR_TRIGGER_OVER:
 376                                         c = 'o';
 377                                         break;
 378                                 case SR_TRIGGER_UNDER:
 379                                         c = 'u';
 380                                         break;
 381                                 default:
 382                                         c = 0;
 383                                         break;
 384                                 }
 385                                 if (c)
 386                                         printf("%c ", c);
 387                         }
 388                         printf("\n");
 389                         g_variant_unref(gvar_list);
 390
 391                 } else if (key == SR_CONF_LIMIT_SAMPLES
 392                                 && (sr_dev_config_capabilities_list(sdi, NULL, key)
 393                                         & SR_CONF_LIST)) {
 394                         /*
 395                          * If implemented in config_list(), this denotes the
 396                          * maximum number of samples a device can send. This
 397                          * really applies only to logic analyzers, and then
 398                          * only to those that don't support compression, or
 399                          * have it turned off by default. The values returned
 400                          * are the low/high limits.
 401                          */
 402                         if (sr_config_list(driver, sdi, channel_group, key,
 403                                         &gvar) == SR_OK) {
 404                                 g_variant_get(gvar, "(tt)", &low, &high);
 405                                 g_variant_unref(gvar);
 406                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
 407                         }
 408
 409                 } else if (key == SR_CONF_SAMPLERATE) {
 410                         /* Supported samplerates */
 411                         printf("    %s", srci->id);
 412                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
 413                                         &gvar_dict) != SR_OK) {
 414                                 printf("\n");
 415                                 continue;
 416                         }
 417                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
 418                                         "samplerates", G_VARIANT_TYPE("at")))) {
 419                                 uint64 = g_variant_get_fixed_array(gvar_list,
 420                                                 &num_elements, sizeof(uint64_t));
 421                                 printf(" - supported samplerates:\n");
 422                                 for (i = 0; i < num_elements; i++) {
 423                                         if (!(s = sr_samplerate_string(uint64[i])))
 424                                                 continue;
 425                                         printf("      %s\n", s);
 426                                         g_free(s);
 427                                 }
 428                                 g_variant_unref(gvar_list);
 429                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
 430                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 431                                 uint64 = g_variant_get_fixed_array(gvar_list,
 432                                                 &num_elements, sizeof(uint64_t));
 433                                 /* low */
 434                                 if (!(s = sr_samplerate_string(uint64[0])))
 435                                         continue;
 436                                 printf(" (%s", s);
 437                                 g_free(s);
 438                                 /* high */
 439                                 if (!(s = sr_samplerate_string(uint64[1])))
 440                                         continue;
 441                                 printf(" - %s", s);
 442                                 g_free(s);
 443                                 /* step */
 444                                 if (!(s = sr_samplerate_string(uint64[2])))
 445                                         continue;
 446                                 printf(" in steps of %s)\n", s);
 447                                 g_free(s);
 448                                 g_variant_unref(gvar_list);
 449                         }
 450                         g_variant_unref(gvar_dict);
 451
 452                 } else if (srci->datatype == SR_T_UINT64) {
 453                         printf("    %s: ", srci->id);
 454                         gvar = NULL;
 455                         if (maybe_config_get(driver, sdi, channel_group, key,
 456                                         &gvar) == SR_OK) {
 457                                 tmp_uint64 = g_variant_get_uint64(gvar);
 458                                 g_variant_unref(gvar);
 459                         } else
 460                                 tmp_uint64 = 0;
 461                         if (maybe_config_list(driver, sdi, channel_group,
 462                                         key, &gvar_list) != SR_OK) {
 463                                 if (gvar) {
 464                                         /* Can't list it, but we have a value to show. */
 465                                         printf("%"PRIu64" (current)", tmp_uint64);
 466                                 }
 467                                 printf("\n");
 468                                 continue;
 469                         }
 470                         uint64 = g_variant_get_fixed_array(gvar_list,
 471                                         &num_elements, sizeof(uint64_t));
 472                         printf(" - supported values:\n");
 473                         for (i = 0; i < num_elements; i++) {
 474                                 printf("      %"PRIu64, uint64[i]);
 475                                 if (gvar && tmp_uint64 == uint64[i])
 476                                         printf(" (current)");
 477                                 printf("\n");
 478                         }
 479                         g_variant_unref(gvar_list);
 480
 481                 } else if (srci->datatype == SR_T_STRING) {
 482                         printf("    %s: ", srci->id);
 483                         if (maybe_config_get(driver, sdi, channel_group, key,
 484                                         &gvar) == SR_OK) {
 485                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
 486                                 g_variant_unref(gvar);
 487                         } else
 488                                 tmp_str = NULL;
 489
 490                         if (maybe_config_list(driver, sdi, channel_group, key,
 491                                         &gvar) != SR_OK) {
 492                                 if (tmp_str) {
 493                                         /* Can't list it, but we have a value to show. */
 494                                         printf("%s (current)", tmp_str);
 495                                 }
 496                                 printf("\n");
 497                                 g_free(tmp_str);
 498                                 continue;
 499                         }
 500
 501                         stropts = g_variant_get_strv(gvar, &num_elements);
 502                         for (i = 0; i < num_elements; i++) {
 503                                 if (i)
 504                                         printf(", ");
 505                                 printf("%s", stropts[i]);
 506                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
 507                                         printf(" (current)");
 508                         }
 509                         printf("\n");
 510                         g_free(stropts);
 511                         g_free(tmp_str);
 512                         g_variant_unref(gvar);
 513
 514                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
 515                         printf("    %s: ", srci->id);
 516                         if (maybe_config_list(driver, sdi, channel_group, key,
 517                                         &gvar_list) != SR_OK) {
 518                                 printf("\n");
 519                                 continue;
 520                         }
 521
 522                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 523                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
 524                                 g_variant_unref(gvar);
 525                         } else {
 526                                 cur_low = 0;
 527                                 cur_high = 0;
 528                         }
 529
 530                         num_elements = g_variant_n_children(gvar_list);
 531                         for (i = 0; i < num_elements; i++) {
 532                                 gvar = g_variant_get_child_value(gvar_list, i);
 533                                 g_variant_get(gvar, "(tt)", &low, &high);
 534                                 g_variant_unref(gvar);
 535                                 if (i)
 536                                         printf(", ");
 537                                 printf("%"PRIu64"-%"PRIu64, low, high);
 538                                 if (low == cur_low && high == cur_high)
 539                                         printf(" (current)");
 540                         }
 541                         printf("\n");
 542                         g_variant_unref(gvar_list);
 543
 544                 } else if (srci->datatype == SR_T_BOOL) {
 545                         printf("    %s: ", srci->id);
 546                         if (maybe_config_get(driver, sdi, channel_group, key,
 547                                         &gvar) == SR_OK) {
 548                                 if (g_variant_get_boolean(gvar))
 549                                         printf("on (current), off\n");
 550                                 else
 551                                         printf("on, off (current)\n");
 552                                 g_variant_unref(gvar);
 553                         } else
 554                                 printf("on, off\n");
 555
 556                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
 557                         printf("    %s: ", srci->id);
 558                         if (maybe_config_list(driver, sdi, channel_group, key,
 559                                         &gvar_list) != SR_OK) {
 560                                 printf("\n");
 561                                 continue;
 562                         }
 563
 564                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 565                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
 566                                 g_variant_unref(gvar);
 567                         } else {
 568                                 dcur_low = 0;
 569                                 dcur_high = 0;
 570                         }
 571
 572                         num_elements = g_variant_n_children(gvar_list);
 573                         for (i = 0; i < num_elements; i++) {
 574                                 gvar = g_variant_get_child_value(gvar_list, i);
 575                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
 576                                 g_variant_unref(gvar);
 577                                 if (i)
 578                                         printf(", ");
 579                                 printf("%.1f-%.1f", dlow, dhigh);
 580                                 if (dlow == dcur_low && dhigh == dcur_high)
 581                                         printf(" (current)");
 582                         }
 583                         printf("\n");
 584                         g_variant_unref(gvar_list);
 585
 586                 } else if (srci->datatype == SR_T_FLOAT) {
 587                         printf("    %s: ", srci->id);
 588                         if (maybe_config_get(driver, sdi, channel_group, key,
 589                                         &gvar) == SR_OK) {
 590                                 printf("%f\n", g_variant_get_double(gvar));
 591                                 g_variant_unref(gvar);
 592                         } else
 593                                 printf("\n");
 594
 595                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
 596                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
 597                         printf("    %s", srci->id);
 598                         if (maybe_config_get(driver, sdi, channel_group, key,
 599                                         &gvar) == SR_OK) {
 600                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
 601                                 g_variant_unref(gvar);
 602                         } else
 603                                 cur_p = cur_q = 0;
 604
 605                         if (maybe_config_list(driver, sdi, channel_group,
 606                                         key, &gvar_list) != SR_OK) {
 607                                 printf("\n");
 608                                 continue;
 609                         }
 610                         printf(" - supported values:\n");
 611                         num_elements = g_variant_n_children(gvar_list);
 612                         for (i = 0; i < num_elements; i++) {
 613                                 gvar = g_variant_get_child_value(gvar_list, i);
 614                                 g_variant_get(gvar, "(tt)", &p, &q);
 615                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
 616                                         s = sr_period_string(p, q);
 617                                 else
 618                                         s = sr_voltage_string(p, q);
 619                                 printf("      %s", s);
 620                                 g_free(s);
 621                                 if (p == cur_p && q == cur_q)
 622                                         printf(" (current)");
 623                                 printf("\n");
 624                         }
 625                         g_variant_unref(gvar_list);
 626
 627                 } else if (srci->datatype == SR_T_MQ) {
 628                         printf("    %s: ", srci->id);
 629                         if (maybe_config_get(driver, sdi, channel_group, key,
 630                                         &gvar) == SR_OK
 631                                         && g_variant_is_of_type(gvar, G_VARIANT_TYPE_TUPLE)
 632                                         && g_variant_n_children(gvar) == 2) {
 633                                 g_variant_get(gvar, "(ut)", &cur_mq, &cur_mqflags);
 634                                 g_variant_unref(gvar);
 635                         } else
 636                                 cur_mq = cur_mqflags = 0;
 637
 638                         if (maybe_config_list(driver, sdi, channel_group,
 639                                         key, &gvar_list) != SR_OK) {
 640                                 printf("\n");
 641                                 continue;
 642                         }
 643                         printf(" - supported measurements:\n");
 644                         num_elements = g_variant_n_children(gvar_list);
 645                         for (i = 0; i < num_elements; i++) {
 646                                 printf("      ");
 647                                 gvar = g_variant_get_child_value(gvar_list, i);
 648                                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
 649                                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
 650                                         printf("%s", srmqi->id);
 651                                 else
 652                                         printf("%d", mq);
 653                                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
 654                                         if (!(mqflags & mask))
 655                                                 continue;
 656                                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
 657                                                 printf("/%s", srmqfi->id);
 658                                         else
 659                                                 printf("/%" PRIu64, mqflags & mask);
 660                                 }
 661                                 if (mq == cur_mq && mqflags == cur_mqflags)
 662                                         printf(" (current)");
 663                                 printf("\n");
 664                         }
 665                         g_variant_unref(gvar_list);
 666
 667                 } else {
 668
 669                         /* Everything else */
 670                         printf("    %s\n", srci->id);
 671                 }
 672         }
 673         g_array_free(opts, TRUE);
 674
 675         sr_dev_close(sdi);
 676
 677 }
 678
 679 #ifdef HAVE_SRD
 680 static void show_pd_detail_single(const char *pd)
 681 {
 682         struct srd_decoder *dec;
 683         struct srd_decoder_option *o;
 684         struct srd_channel *pdch;
 685         struct srd_decoder_annotation_row *r;
 686         GSList *l, *ll, *ol;
 687         int idx;
 688         char **pdtokens, **pdtok, *optsep, **ann, **bin, *val, *doc, *str;
 689
 690         pdtokens = g_strsplit(pd, ",", -1);
 691         for (pdtok = pdtokens; *pdtok; pdtok++) {
 692                 /* Strip options. */
 693                 if ((optsep = strchr(*pdtok, ':')))
 694                         *optsep = '\0';
 695                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 696                         g_critical("Protocol decoder %s not found.", *pdtok);
 697                         return;
 698                 }
 699                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 700                                 dec->id, dec->name, dec->longname, dec->desc);
 701                 printf("License: %s\n", dec->license);
 702                 printf("Possible decoder input IDs:\n");
 703                 if (dec->inputs) {
 704                         for (l = dec->inputs; l; l = l->next) {
 705                                 str = l->data;
 706                                 printf("- %s\n", str);
 707                         }
 708                 } else {
 709                         printf("None.\n");
 710                 }
 711                 printf("Possible decoder output IDs:\n");
 712                 if (dec->outputs) {
 713                         for (l = dec->outputs; l; l = l->next) {
 714                                 str = l->data;
 715                                 printf("- %s\n", str);
 716                         }
 717                 } else {
 718                         printf("None.\n");
 719                 }
 720                 printf("Annotation classes:\n");
 721                 if (dec->annotations) {
 722                         for (l = dec->annotations; l; l = l->next) {
 723                                 ann = l->data;
 724                                 printf("- %s: %s\n", ann[0], ann[1]);
 725                         }
 726                 } else {
 727                         printf("None.\n");
 728                 }
 729                 printf("Annotation rows:\n");
 730                 if (dec->annotation_rows) {
 731                         for (l = dec->annotation_rows; l; l = l->next) {
 732                                 r = l->data;
 733                                 printf("- %s (%s): ", r->id, r->desc);
 734                                 for (ll = r->ann_classes; ll; ll = ll->next) {
 735                                         idx = GPOINTER_TO_INT(ll->data);
 736                                         ann = g_slist_nth_data(dec->annotations, idx);
 737                                         printf("%s", ann[0]);
 738                                         if (ll->next)
 739                                                 printf(", ");
 740                                 }
 741                                 printf("\n");
 742                         }
 743                 } else {
 744                         printf("None.\n");
 745                 }
 746                 printf("Binary classes:\n");
 747                 if (dec->binary) {
 748                         for (l = dec->binary; l; l = l->next) {
 749                                 bin = l->data;
 750                                 printf("- %s: %s\n", bin[0], bin[1]);
 751                         }
 752                 } else {
 753                         printf("None.\n");
 754                 }
 755                 printf("Required channels:\n");
 756                 if (dec->channels) {
 757                         for (l = dec->channels; l; l = l->next) {
 758                                 pdch = l->data;
 759                                 printf("- %s (%s): %s\n",
 760                                        pdch->id, pdch->name, pdch->desc);
 761                         }
 762                 } else {
 763                         printf("None.\n");
 764                 }
 765                 printf("Optional channels:\n");
 766                 if (dec->opt_channels) {
 767                         for (l = dec->opt_channels; l; l = l->next) {
 768                                 pdch = l->data;
 769                                 printf("- %s (%s): %s\n",
 770                                        pdch->id, pdch->name, pdch->desc);
 771                         }
 772                 } else {
 773                         printf("None.\n");
 774                 }
 775                 printf("Options:\n");
 776                 if (dec->options) {
 777                         for (l = dec->options; l; l = l->next) {
 778                                 o = l->data;
 779                                 printf("- %s: %s (", o->id, o->desc);
 780                                 for (ol = o->values; ol; ol = ol->next) {
 781                                         val = g_variant_print(ol->data, FALSE);
 782                                         printf("%s, ", val);
 783                                         g_free(val);
 784                                 }
 785                                 val = g_variant_print(o->def, FALSE);
 786                                 printf("default %s)\n", val);
 787                                 g_free(val);
 788                         }
 789                 } else {
 790                         printf("None.\n");
 791                 }
 792                 if ((doc = srd_decoder_doc_get(dec))) {
 793                         printf("Documentation:\n%s\n",
 794                                doc[0] == '\n' ? doc + 1 : doc);
 795                         g_free(doc);
 796                 }
 797         }
 798
 799         g_strfreev(pdtokens);
 800 }
 801
 802 void show_pd_detail(void)
 803 {
 804         for (int i = 0; opt_pds[i]; i++)
 805                 show_pd_detail_single(opt_pds[i]);
 806 }
 807 #endif
 808
 809 void show_input(void)
 810 {
 811         const struct sr_input_module *imod;
 812         const struct sr_option **opts;
 813         GSList *l;
 814         int i;
 815         char *s, **tok;
 816
 817         tok = g_strsplit(opt_input_format, ":", 0);
 818         if (!tok[0] || !(imod = sr_input_find(tok[0])))
 819                 g_critical("Input module '%s' not found.", opt_input_format);
 820
 821         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
 822                         sr_input_name_get(imod));
 823         printf("Description: %s\n", sr_input_description_get(imod));
 824         if ((opts = sr_input_options_get(imod))) {
 825                 printf("Options:\n");
 826                 for (i = 0; opts[i]; i++) {
 827                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 828                         if (opts[i]->def) {
 829                                 s = g_variant_print(opts[i]->def, FALSE);
 830                                 printf(" (default %s", s);
 831                                 g_free(s);
 832                                 if (opts[i]->values) {
 833                                         printf(", possible values ");
 834                                         for (l = opts[i]->values; l; l = l->next) {
 835                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 836                                                 printf("%s%s", s, l->next ? ", " : "");
 837                                                 g_free(s);
 838                                         }
 839                                 }
 840                                 printf(")");
 841                         }
 842                         printf("\n");
 843                 }
 844                 sr_input_options_free(opts);
 845         }
 846         g_strfreev(tok);
 847 }
 848
 849 void show_output(void)
 850 {
 851         const struct sr_output_module *omod;
 852         const struct sr_option **opts;
 853         GSList *l;
 854         int i;
 855         char *s, **tok;
 856
 857         tok = g_strsplit(opt_output_format, ":", 0);
 858         if (!tok[0] || !(omod = sr_output_find(tok[0])))
 859                 g_critical("Output module '%s' not found.", opt_output_format);
 860
 861         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
 862                         sr_output_name_get(omod));
 863         printf("Description: %s\n", sr_output_description_get(omod));
 864         if ((opts = sr_output_options_get(omod))) {
 865                 printf("Options:\n");
 866                 for (i = 0; opts[i]; i++) {
 867                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 868                         if (opts[i]->def) {
 869                                 s = g_variant_print(opts[i]->def, FALSE);
 870                                 printf(" (default %s", s);
 871                                 g_free(s);
 872                                 if (opts[i]->values) {
 873                                         printf(", possible values ");
 874                                         for (l = opts[i]->values; l; l = l->next) {
 875                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 876                                                 printf("%s%s", s, l->next ? ", " : "");
 877                                                 g_free(s);
 878                                         }
 879                                 }
 880                                 printf(")");
 881                         }
 882                         printf("\n");
 883                 }
 884                 sr_output_options_free(opts);
 885         }
 886         g_strfreev(tok);
 887 }
 888
 889 void show_transform(void)
 890 {
 891         const struct sr_transform_module *tmod;
 892         const struct sr_option **opts;
 893         GSList *l;
 894         int i;
 895         char *s, **tok;
 896
 897         tok = g_strsplit(opt_transform_module, ":", 0);
 898         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
 899                 g_critical("Transform module '%s' not found.", opt_transform_module);
 900
 901         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
 902                         sr_transform_name_get(tmod));
 903         printf("Description: %s\n", sr_transform_description_get(tmod));
 904         if ((opts = sr_transform_options_get(tmod))) {
 905                 printf("Options:\n");
 906                 for (i = 0; opts[i]; i++) {
 907                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 908                         if (opts[i]->def) {
 909                                 s = g_variant_print(opts[i]->def, FALSE);
 910                                 printf(" (default %s", s);
 911                                 g_free(s);
 912                                 if (opts[i]->values) {
 913                                         printf(", possible values ");
 914                                         for (l = opts[i]->values; l; l = l->next) {
 915                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 916                                                 printf("%s%s", s, l->next ? ", " : "");
 917                                                 g_free(s);
 918                                         }
 919                                 }
 920                                 printf(")");
 921                         }
 922                         printf("\n");
 923                 }
 924                 sr_transform_options_free(opts);
 925         }
 926         g_strfreev(tok);
 927 }