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