show.c

   1 /*
   2  * This file is part of the sigrok-cli project.
   3  *
   4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <glib.h>
  21 #include <string.h>
  22 #include "sigrok-cli.h"
  23
  24 static gint sort_inputs(gconstpointer a, gconstpointer b)
  25 {
  26         return strcmp(sr_input_id_get((struct sr_input_module *)a),
  27                         sr_input_id_get((struct sr_input_module *)b));
  28 }
  29
  30 static gint sort_outputs(gconstpointer a, gconstpointer b)
  31 {
  32         return strcmp(sr_output_id_get((struct sr_output_module *)a),
  33                         sr_output_id_get((struct sr_output_module *)b));
  34 }
  35
  36 static gint sort_transforms(gconstpointer a, gconstpointer b)
  37 {
  38         return strcmp(sr_transform_id_get((struct sr_transform_module *)a),
  39                         sr_transform_id_get((struct sr_transform_module *)b));
  40 }
  41
  42 static gint sort_drivers(gconstpointer a, gconstpointer b)
  43 {
  44         const struct sr_dev_driver *sdda = a, *sddb = b;
  45
  46         return strcmp(sdda->name, sddb->name);
  47 }
  48
  49 #ifdef HAVE_SRD
  50 static gint sort_pds(gconstpointer a, gconstpointer b)
  51 {
  52         const struct srd_decoder *sda = a, *sdb = b;
  53
  54         return strcmp(sda->id, sdb->id);
  55 }
  56 #endif
  57
  58 void show_version(void)
  59 {
  60         struct sr_dev_driver **drivers, *driver;
  61         const struct sr_input_module **inputs, *input;
  62         const struct sr_output_module **outputs, *output;
  63         const struct sr_transform_module **transforms, *transform;
  64         const GSList *l;
  65         GSList *sl;
  66         int i;
  67 #ifdef HAVE_SRD
  68         struct srd_decoder *dec;
  69 #endif
  70
  71         printf("sigrok-cli %s\n\n", SC_PACKAGE_VERSION_STRING);
  72
  73         printf("Using libsigrok %s (lib version %s).\n",
  74                sr_package_version_string_get(), sr_lib_version_string_get());
  75 #ifdef HAVE_SRD
  76         printf("Using libsigrokdecode %s (lib version %s).\n\n",
  77                srd_package_version_string_get(), srd_lib_version_string_get());
  78 #endif
  79
  80         printf("Supported hardware drivers:\n");
  81         drivers = sr_driver_list(sr_ctx);
  82         for (sl = NULL, i = 0; drivers[i]; i++)
  83                 sl = g_slist_append(sl, drivers[i]);
  84         sl = g_slist_sort(sl, sort_drivers);
  85         for (l = sl; l; l = l->next) {
  86                 driver = l->data;
  87                 printf("  %-20s %s\n", driver->name, driver->longname);
  88         }
  89         printf("\n");
  90         g_slist_free(sl);
  91
  92         printf("Supported input formats:\n");
  93         inputs = sr_input_list();
  94         for (sl = NULL, i = 0; inputs[i]; i++)
  95                 sl = g_slist_append(sl, (gpointer)inputs[i]);
  96         sl = g_slist_sort(sl, sort_inputs);
  97         for (l = sl; l; l = l->next) {
  98                 input = l->data;
  99                 printf("  %-20s %s\n", sr_input_id_get(input),
 100                                 sr_input_description_get(input));
 101         }
 102         printf("\n");
 103         g_slist_free(sl);
 104
 105         printf("Supported output formats:\n");
 106         outputs = sr_output_list();
 107         for (sl = NULL, i = 0; outputs[i]; i++)
 108                 sl = g_slist_append(sl, (gpointer)outputs[i]);
 109         sl = g_slist_sort(sl, sort_outputs);
 110         for (l = sl; l; l = l->next) {
 111                 output = l->data;
 112                 printf("  %-20s %s\n", sr_output_id_get(output),
 113                                 sr_output_description_get(output));
 114         }
 115         printf("\n");
 116         g_slist_free(sl);
 117
 118         printf("Supported transform modules:\n");
 119         transforms = sr_transform_list();
 120         for (sl = NULL, i = 0; transforms[i]; i++)
 121                 sl = g_slist_append(sl, (gpointer)transforms[i]);
 122         sl = g_slist_sort(sl, sort_transforms);
 123         for (l = sl; l; l = l->next) {
 124                 transform = l->data;
 125                 printf("  %-20s %s\n", sr_transform_id_get(transform),
 126                                 sr_transform_description_get(transform));
 127         }
 128         printf("\n");
 129         g_slist_free(sl);
 130
 131 #ifdef HAVE_SRD
 132         if (srd_init(NULL) == SRD_OK) {
 133                 printf("Supported protocol decoders:\n");
 134                 srd_decoder_load_all();
 135                 sl = g_slist_copy((GSList *)srd_decoder_list());
 136                 sl = g_slist_sort(sl, sort_pds);
 137                 for (l = sl; l; l = l->next) {
 138                         dec = l->data;
 139                         printf("  %-20s %s\n", dec->id, dec->longname);
 140                         /* Print protocol description upon "-l 3" or higher. */
 141                         if (opt_loglevel >= SR_LOG_INFO)
 142                                 printf("  %-20s %s\n", "", dec->desc);
 143                 }
 144                 g_slist_free(sl);
 145                 srd_exit();
 146         }
 147         printf("\n");
 148 #endif
 149 }
 150
 151 static gint sort_channels(gconstpointer a, gconstpointer b)
 152 {
 153         const struct sr_channel *pa = a, *pb = b;
 154
 155         return pa->index - pb->index;
 156 }
 157
 158 static void print_dev_line(const struct sr_dev_inst *sdi)
 159 {
 160         struct sr_channel *ch;
 161         GSList *sl, *l, *channels;
 162         GString *s;
 163         GVariant *gvar;
 164         struct sr_dev_driver *driver;
 165         const char *vendor, *model, *version;
 166
 167         driver = sr_dev_inst_driver_get(sdi);
 168         vendor = sr_dev_inst_vendor_get(sdi);
 169         model = sr_dev_inst_model_get(sdi);
 170         version = sr_dev_inst_version_get(sdi);
 171         channels = sr_dev_inst_channels_get(sdi);
 172
 173         s = g_string_sized_new(128);
 174         g_string_assign(s, driver->name);
 175         if (maybe_config_get(driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
 176                 g_string_append(s, ":conn=");
 177                 g_string_append(s, g_variant_get_string(gvar, NULL));
 178                 g_variant_unref(gvar);
 179         }
 180         g_string_append(s, " - ");
 181         if (vendor && vendor[0])
 182                 g_string_append_printf(s, "%s ", vendor);
 183         if (model && model[0])
 184                 g_string_append_printf(s, "%s ", model);
 185         if (version && version[0])
 186                 g_string_append_printf(s, "%s ", version);
 187         if (channels) {
 188                 if (g_slist_length(channels) == 1) {
 189                         ch = channels->data;
 190                         g_string_append_printf(s, "with 1 channel: %s", ch->name);
 191                 } else {
 192                         sl = g_slist_sort(g_slist_copy(channels), sort_channels);
 193                         g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
 194                         for (l = sl; l; l = l->next) {
 195                                 ch = l->data;
 196                                 g_string_append_printf(s, " %s", ch->name);
 197                         }
 198                         g_slist_free(sl);
 199                 }
 200         }
 201         g_string_append_printf(s, "\n");
 202         printf("%s", s->str);
 203         g_string_free(s, TRUE);
 204
 205 }
 206
 207 void show_dev_list(void)
 208 {
 209         struct sr_dev_inst *sdi;
 210         GSList *devices, *l;
 211
 212         if (!(devices = device_scan()))
 213                 return;
 214
 215         printf("The following devices were found:\n");
 216         for (l = devices; l; l = l->next) {
 217                 sdi = l->data;
 218                 print_dev_line(sdi);
 219         }
 220         g_slist_free(devices);
 221
 222 }
 223
 224 void show_drv_detail(struct sr_dev_driver *driver)
 225 {
 226         const struct sr_key_info *srci;
 227         GVariant *gvar_opts;
 228         const uint32_t *opts;
 229         gsize num_elements, i;
 230
 231         if (sr_config_list(driver, NULL, NULL, SR_CONF_DEVICE_OPTIONS,
 232                         &gvar_opts) == SR_OK) {
 233                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 234                                 sizeof(uint32_t));
 235                 if (num_elements) {
 236                         printf("Driver functions:\n");
 237                         for (i = 0; i < num_elements; i++) {
 238                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, opts[i] & SR_CONF_MASK)))
 239                                         continue;
 240                                 printf("    %s\n", srci->name);
 241                         }
 242                 }
 243                 g_variant_unref(gvar_opts);
 244         }
 245
 246         if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
 247                         &gvar_opts) == SR_OK) {
 248                 opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
 249                                 sizeof(uint32_t));
 250                 if (num_elements) {
 251                         printf("Scan options:\n");
 252                         for (i = 0; i < num_elements; i++) {
 253                                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, opts[i] & SR_CONF_MASK)))
 254                                         continue;
 255                                 printf("    %s\n", srci->id);
 256                         }
 257                 }
 258                 g_variant_unref(gvar_opts);
 259         }
 260 }
 261
 262 void show_dev_detail(void)
 263 {
 264         struct sr_dev_driver *driver_from_opt, *driver;
 265         struct sr_dev_inst *sdi;
 266         const struct sr_key_info *srci, *srmqi, *srmqfi;
 267         struct sr_channel *ch;
 268         struct sr_channel_group *channel_group, *cg;
 269         GSList *devices, *cgl, *chl, *channel_groups;
 270         GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
 271         gsize num_opts, num_elements;
 272         double dlow, dhigh, dcur_low, dcur_high;
 273         const uint64_t *uint64, p, q, low, high;
 274         uint64_t tmp_uint64, mask, cur_low, cur_high, cur_p, cur_q;
 275         const uint32_t *opts;
 276         const int32_t *int32;
 277         uint32_t key, o, cur_mq, mq;
 278         uint64_t cur_mqflags, mqflags;
 279         unsigned int num_devices, i, j;
 280         char *tmp_str, *s, c;
 281         const char **stropts;
 282
 283         if (parse_driver(opt_drv, &driver_from_opt, NULL)) {
 284                 /* A driver was specified, report driver-wide options now. */
 285                 show_drv_detail(driver_from_opt);
 286         }
 287
 288         if (!(devices = device_scan())) {
 289                 g_critical("No devices found.");
 290                 return;
 291         }
 292
 293         num_devices = g_slist_length(devices);
 294         if (num_devices > 1) {
 295                 g_critical("%d devices found. Use --scan to show them, "
 296                                 "and select one to show.", num_devices);
 297                 return;
 298         }
 299
 300         sdi = devices->data;
 301         g_slist_free(devices);
 302         print_dev_line(sdi);
 303
 304         driver = sr_dev_inst_driver_get(sdi);
 305         channel_groups = sr_dev_inst_channel_groups_get(sdi);
 306
 307         if (sr_dev_open(sdi) != SR_OK) {
 308                 g_critical("Failed to open device.");
 309                 return;
 310         }
 311
 312         /*
 313          * Selected channels and channel group may affect which options are
 314          * returned, or which values for them.
 315          */
 316         select_channels(sdi);
 317         channel_group = select_channel_group(sdi);
 318
 319         if (sr_config_list(driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
 320                         &gvar_opts) != SR_OK)
 321                 /* Driver supports no device instance options. */
 322                 return;
 323
 324         if (channel_groups) {
 325                 printf("Channel groups:\n");
 326                 for (cgl = channel_groups; cgl; cgl = cgl->next) {
 327                         cg = cgl->data;
 328                         printf("    %s: channel%s", cg->name,
 329                                         g_slist_length(cg->channels) > 1 ? "s" : "");
 330                         for (chl = cg->channels; chl; chl = chl->next) {
 331                                 ch = chl->data;
 332                                 printf(" %s", ch->name);
 333                         }
 334                         printf("\n");
 335                 }
 336         }
 337
 338         printf("Supported configuration options");
 339         if (channel_groups) {
 340                 if (!channel_group)
 341                         printf(" across all channel groups");
 342                 else
 343                         printf(" on channel group %s", channel_group->name);
 344         }
 345         printf(":\n");
 346         opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
 347         for (o = 0; o < num_opts; o++) {
 348                 key = opts[o] & SR_CONF_MASK;
 349                 if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key)))
 350                         continue;
 351
 352                 if (key == SR_CONF_TRIGGER_MATCH) {
 353                         if (maybe_config_list(driver, sdi, channel_group, key,
 354                                         &gvar_list) != SR_OK) {
 355                                 printf("\n");
 356                                 continue;
 357                         }
 358                         int32 = g_variant_get_fixed_array(gvar_list,
 359                                         &num_elements, sizeof(int32_t));
 360                         printf("    Supported triggers: ");
 361                         for (i = 0; i < num_elements; i++) {
 362                                 switch (int32[i]) {
 363                                 case SR_TRIGGER_ZERO:
 364                                         c = '0';
 365                                         break;
 366                                 case SR_TRIGGER_ONE:
 367                                         c = '1';
 368                                         break;
 369                                 case SR_TRIGGER_RISING:
 370                                         c = 'r';
 371                                         break;
 372                                 case SR_TRIGGER_FALLING:
 373                                         c = 'f';
 374                                         break;
 375                                 case SR_TRIGGER_EDGE:
 376                                         c = 'e';
 377                                         break;
 378                                 case SR_TRIGGER_OVER:
 379                                         c = 'o';
 380                                         break;
 381                                 case SR_TRIGGER_UNDER:
 382                                         c = 'u';
 383                                         break;
 384                                 default:
 385                                         c = 0;
 386                                         break;
 387                                 }
 388                                 if (c)
 389                                         printf("%c ", c);
 390                         }
 391                         printf("\n");
 392                         g_variant_unref(gvar_list);
 393
 394                 } else if (key == SR_CONF_LIMIT_SAMPLES
 395                                 && config_key_has_cap(driver, sdi, NULL, key, SR_CONF_LIST)) {
 396                         /*
 397                          * If implemented in config_list(), this denotes the
 398                          * maximum number of samples a device can send. This
 399                          * really applies only to logic analyzers, and then
 400                          * only to those that don't support compression, or
 401                          * have it turned off by default. The values returned
 402                          * are the low/high limits.
 403                          */
 404                         if (sr_config_list(driver, sdi, channel_group, key,
 405                                         &gvar) == SR_OK) {
 406                                 g_variant_get(gvar, "(tt)", &low, &high);
 407                                 g_variant_unref(gvar);
 408                                 printf("    Maximum number of samples: %"PRIu64"\n", high);
 409                         }
 410
 411                 } else if (key == SR_CONF_SAMPLERATE) {
 412                         /* Supported samplerates */
 413                         printf("    %s", srci->id);
 414                         if (maybe_config_list(driver, sdi, channel_group, SR_CONF_SAMPLERATE,
 415                                         &gvar_dict) != SR_OK) {
 416                                 printf("\n");
 417                                 continue;
 418                         }
 419                         if ((gvar_list = g_variant_lookup_value(gvar_dict,
 420                                         "samplerates", G_VARIANT_TYPE("at")))) {
 421                                 uint64 = g_variant_get_fixed_array(gvar_list,
 422                                                 &num_elements, sizeof(uint64_t));
 423                                 printf(" - supported samplerates:\n");
 424                                 for (i = 0; i < num_elements; i++) {
 425                                         if (!(s = sr_samplerate_string(uint64[i])))
 426                                                 continue;
 427                                         printf("      %s\n", s);
 428                                         g_free(s);
 429                                 }
 430                                 g_variant_unref(gvar_list);
 431                         } else if ((gvar_list = g_variant_lookup_value(gvar_dict,
 432                                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 433                                 uint64 = g_variant_get_fixed_array(gvar_list,
 434                                                 &num_elements, sizeof(uint64_t));
 435                                 /* low */
 436                                 if (!(s = sr_samplerate_string(uint64[0])))
 437                                         continue;
 438                                 printf(" (%s", s);
 439                                 g_free(s);
 440                                 /* high */
 441                                 if (!(s = sr_samplerate_string(uint64[1])))
 442                                         continue;
 443                                 printf(" - %s", s);
 444                                 g_free(s);
 445                                 /* step */
 446                                 if (!(s = sr_samplerate_string(uint64[2])))
 447                                         continue;
 448                                 printf(" in steps of %s)\n", s);
 449                                 g_free(s);
 450                                 g_variant_unref(gvar_list);
 451                         }
 452                         g_variant_unref(gvar_dict);
 453
 454                 } else if (srci->datatype == SR_T_UINT64) {
 455                         printf("    %s: ", srci->id);
 456                         gvar = NULL;
 457                         if (maybe_config_get(driver, sdi, channel_group, key,
 458                                         &gvar) == SR_OK) {
 459                                 tmp_uint64 = g_variant_get_uint64(gvar);
 460                                 g_variant_unref(gvar);
 461                         } else
 462                                 tmp_uint64 = 0;
 463                         if (maybe_config_list(driver, sdi, channel_group,
 464                                         key, &gvar_list) != SR_OK) {
 465                                 if (gvar) {
 466                                         /* Can't list it, but we have a value to show. */
 467                                         printf("%"PRIu64" (current)", tmp_uint64);
 468                                 }
 469                                 printf("\n");
 470                                 continue;
 471                         }
 472                         uint64 = g_variant_get_fixed_array(gvar_list,
 473                                         &num_elements, sizeof(uint64_t));
 474                         printf(" - supported values:\n");
 475                         for (i = 0; i < num_elements; i++) {
 476                                 printf("      %"PRIu64, uint64[i]);
 477                                 if (gvar && tmp_uint64 == uint64[i])
 478                                         printf(" (current)");
 479                                 printf("\n");
 480                         }
 481                         g_variant_unref(gvar_list);
 482
 483                 } else if (srci->datatype == SR_T_STRING) {
 484                         printf("    %s: ", srci->id);
 485                         if (maybe_config_get(driver, sdi, channel_group, key,
 486                                         &gvar) == SR_OK) {
 487                                 tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
 488                                 g_variant_unref(gvar);
 489                         } else
 490                                 tmp_str = NULL;
 491
 492                         if (maybe_config_list(driver, sdi, channel_group, key,
 493                                         &gvar) != SR_OK) {
 494                                 if (tmp_str) {
 495                                         /* Can't list it, but we have a value to show. */
 496                                         printf("%s (current)", tmp_str);
 497                                 }
 498                                 printf("\n");
 499                                 g_free(tmp_str);
 500                                 continue;
 501                         }
 502
 503                         stropts = g_variant_get_strv(gvar, &num_elements);
 504                         for (i = 0; i < num_elements; i++) {
 505                                 if (i)
 506                                         printf(", ");
 507                                 printf("%s", stropts[i]);
 508                                 if (tmp_str && !strcmp(tmp_str, stropts[i]))
 509                                         printf(" (current)");
 510                         }
 511                         printf("\n");
 512                         g_free(stropts);
 513                         g_free(tmp_str);
 514                         g_variant_unref(gvar);
 515
 516                 } else if (srci->datatype == SR_T_UINT64_RANGE) {
 517                         printf("    %s: ", srci->id);
 518                         if (maybe_config_list(driver, sdi, channel_group, key,
 519                                         &gvar_list) != SR_OK) {
 520                                 printf("\n");
 521                                 continue;
 522                         }
 523
 524                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 525                                 g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
 526                                 g_variant_unref(gvar);
 527                         } else {
 528                                 cur_low = 0;
 529                                 cur_high = 0;
 530                         }
 531
 532                         num_elements = g_variant_n_children(gvar_list);
 533                         for (i = 0; i < num_elements; i++) {
 534                                 gvar = g_variant_get_child_value(gvar_list, i);
 535                                 g_variant_get(gvar, "(tt)", &low, &high);
 536                                 g_variant_unref(gvar);
 537                                 if (i)
 538                                         printf(", ");
 539                                 printf("%"PRIu64"-%"PRIu64, low, high);
 540                                 if (low == cur_low && high == cur_high)
 541                                         printf(" (current)");
 542                         }
 543                         printf("\n");
 544                         g_variant_unref(gvar_list);
 545
 546                 } else if (srci->datatype == SR_T_BOOL) {
 547                         printf("    %s: ", srci->id);
 548                         if (maybe_config_get(driver, sdi, channel_group, key,
 549                                         &gvar) == SR_OK) {
 550                                 if (g_variant_get_boolean(gvar))
 551                                         printf("on (current), off\n");
 552                                 else
 553                                         printf("on, off (current)\n");
 554                                 g_variant_unref(gvar);
 555                         } else
 556                                 printf("on, off\n");
 557
 558                 } else if (srci->datatype == SR_T_DOUBLE_RANGE) {
 559                         printf("    %s: ", srci->id);
 560                         if (maybe_config_list(driver, sdi, channel_group, key,
 561                                         &gvar_list) != SR_OK) {
 562                                 printf("\n");
 563                                 continue;
 564                         }
 565
 566                         if (maybe_config_get(driver, sdi, channel_group, key, &gvar) == SR_OK) {
 567                                 g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
 568                                 g_variant_unref(gvar);
 569                         } else {
 570                                 dcur_low = 0;
 571                                 dcur_high = 0;
 572                         }
 573
 574                         num_elements = g_variant_n_children(gvar_list);
 575                         for (i = 0; i < num_elements; i++) {
 576                                 gvar = g_variant_get_child_value(gvar_list, i);
 577                                 g_variant_get(gvar, "(dd)", &dlow, &dhigh);
 578                                 g_variant_unref(gvar);
 579                                 if (i)
 580                                         printf(", ");
 581                                 printf("%.1f-%.1f", dlow, dhigh);
 582                                 if (dlow == dcur_low && dhigh == dcur_high)
 583                                         printf(" (current)");
 584                         }
 585                         printf("\n");
 586                         g_variant_unref(gvar_list);
 587
 588                 } else if (srci->datatype == SR_T_FLOAT) {
 589                         printf("    %s: ", srci->id);
 590                         if (maybe_config_get(driver, sdi, channel_group, key,
 591                                         &gvar) == SR_OK) {
 592                                 printf("%f\n", g_variant_get_double(gvar));
 593                                 g_variant_unref(gvar);
 594                         } else
 595                                 printf("\n");
 596
 597                 } else if (srci->datatype == SR_T_RATIONAL_PERIOD
 598                                 || srci->datatype == SR_T_RATIONAL_VOLT) {
 599                         printf("    %s", srci->id);
 600                         if (maybe_config_get(driver, sdi, channel_group, key,
 601                                         &gvar) == SR_OK) {
 602                                 g_variant_get(gvar, "(tt)", &cur_p, &cur_q);
 603                                 g_variant_unref(gvar);
 604                         } else
 605                                 cur_p = cur_q = 0;
 606
 607                         if (maybe_config_list(driver, sdi, channel_group,
 608                                         key, &gvar_list) != SR_OK) {
 609                                 printf("\n");
 610                                 continue;
 611                         }
 612                         printf(" - supported values:\n");
 613                         num_elements = g_variant_n_children(gvar_list);
 614                         for (i = 0; i < num_elements; i++) {
 615                                 gvar = g_variant_get_child_value(gvar_list, i);
 616                                 g_variant_get(gvar, "(tt)", &p, &q);
 617                                 if (srci->datatype == SR_T_RATIONAL_PERIOD)
 618                                         s = sr_period_string(p * q);
 619                                 else
 620                                         s = sr_voltage_string(p, q);
 621                                 printf("      %s", s);
 622                                 g_free(s);
 623                                 if (p == cur_p && q == cur_q)
 624                                         printf(" (current)");
 625                                 printf("\n");
 626                         }
 627                         g_variant_unref(gvar_list);
 628
 629                 } else if (srci->datatype == SR_T_MQ) {
 630                         printf("    %s: ", srci->id);
 631                         if (maybe_config_get(driver, sdi, channel_group, key,
 632                                         &gvar) == SR_OK
 633                                         && g_variant_is_of_type(gvar, G_VARIANT_TYPE_TUPLE)
 634                                         && g_variant_n_children(gvar) == 2) {
 635                                 g_variant_get(gvar, "(ut)", &cur_mq, &cur_mqflags);
 636                                 g_variant_unref(gvar);
 637                         } else
 638                                 cur_mq = cur_mqflags = 0;
 639
 640                         if (maybe_config_list(driver, sdi, channel_group,
 641                                         key, &gvar_list) != SR_OK) {
 642                                 printf("\n");
 643                                 continue;
 644                         }
 645                         printf(" - supported measurements:\n");
 646                         num_elements = g_variant_n_children(gvar_list);
 647                         for (i = 0; i < num_elements; i++) {
 648                                 printf("      ");
 649                                 gvar = g_variant_get_child_value(gvar_list, i);
 650                                 g_variant_get(gvar, "(ut)", &mq, &mqflags);
 651                                 if ((srmqi = sr_key_info_get(SR_KEY_MQ, mq)))
 652                                         printf("%s", srmqi->id);
 653                                 else
 654                                         printf("%d", mq);
 655                                 for (j = 0, mask = 1; j < 32; j++, mask <<= 1) {
 656                                         if (!(mqflags & mask))
 657                                                 continue;
 658                                         if ((srmqfi = sr_key_info_get(SR_KEY_MQFLAGS, mqflags & mask)))
 659                                                 printf("/%s", srmqfi->id);
 660                                         else
 661                                                 printf("/%" PRIu64, mqflags & mask);
 662                                 }
 663                                 if (mq == cur_mq && mqflags == cur_mqflags)
 664                                         printf(" (current)");
 665                                 printf("\n");
 666                         }
 667                         g_variant_unref(gvar_list);
 668
 669                 } else {
 670
 671                         /* Everything else */
 672                         printf("    %s\n", srci->id);
 673                 }
 674         }
 675         g_variant_unref(gvar_opts);
 676
 677         sr_dev_close(sdi);
 678
 679 }
 680
 681 #ifdef HAVE_SRD
 682 void show_pd_detail(void)
 683 {
 684         struct srd_decoder *dec;
 685         struct srd_decoder_option *o;
 686         struct srd_channel *pdch;
 687         struct srd_decoder_annotation_row *r;
 688         GSList *l, *ll, *ol;
 689         int idx;
 690         char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
 691
 692         pdtokens = g_strsplit(opt_pds, ",", -1);
 693         for (pdtok = pdtokens; *pdtok; pdtok++) {
 694                 /* Strip options. */
 695                 if ((optsep = strchr(*pdtok, ':')))
 696                         *optsep = '\0';
 697                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 698                         g_critical("Protocol decoder %s not found.", *pdtok);
 699                         return;
 700                 }
 701                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 702                                 dec->id, dec->name, dec->longname, dec->desc);
 703                 printf("License: %s\n", dec->license);
 704                 printf("Annotation classes:\n");
 705                 if (dec->annotations) {
 706                         for (l = dec->annotations; l; l = l->next) {
 707                                 ann = l->data;
 708                                 printf("- %s: %s\n", ann[0], ann[1]);
 709                         }
 710                 } else {
 711                         printf("None.\n");
 712                 }
 713                 printf("Annotation rows:\n");
 714                 if (dec->annotation_rows) {
 715                         for (l = dec->annotation_rows; l; l = l->next) {
 716                                 r = l->data;
 717                                 printf("- %s (%s): ", r->id, r->desc);
 718                                 for (ll = r->ann_classes; ll; ll = ll->next) {
 719                                         idx = GPOINTER_TO_INT(ll->data);
 720                                         ann = g_slist_nth_data(dec->annotations, idx);
 721                                         printf("%s", ann[0]);
 722                                         if (ll->next)
 723                                                 printf(", ");
 724                                 }
 725                                 printf("\n");
 726                         }
 727                 } else {
 728                         printf("None.\n");
 729                 }
 730                 printf("Required channels:\n");
 731                 if (dec->channels) {
 732                         for (l = dec->channels; l; l = l->next) {
 733                                 pdch = l->data;
 734                                 printf("- %s (%s): %s\n",
 735                                        pdch->id, pdch->name, pdch->desc);
 736                         }
 737                 } else {
 738                         printf("None.\n");
 739                 }
 740                 printf("Optional channels:\n");
 741                 if (dec->opt_channels) {
 742                         for (l = dec->opt_channels; l; l = l->next) {
 743                                 pdch = l->data;
 744                                 printf("- %s (%s): %s\n",
 745                                        pdch->id, pdch->name, pdch->desc);
 746                         }
 747                 } else {
 748                         printf("None.\n");
 749                 }
 750                 printf("Options:\n");
 751                 if (dec->options) {
 752                         for (l = dec->options; l; l = l->next) {
 753                                 o = l->data;
 754                                 printf("- %s: %s (", o->id, o->desc);
 755                                 for (ol = o->values; ol; ol = ol->next) {
 756                                         val = g_variant_print(ol->data, FALSE);
 757                                         printf("%s, ", val);
 758                                         g_free(val);
 759                                 }
 760                                 val = g_variant_print(o->def, FALSE);
 761                                 printf("default %s)\n", val);
 762                                 g_free(val);
 763                         }
 764                 } else {
 765                         printf("None.\n");
 766                 }
 767                 if ((doc = srd_decoder_doc_get(dec))) {
 768                         printf("Documentation:\n%s\n",
 769                                doc[0] == '\n' ? doc + 1 : doc);
 770                         g_free(doc);
 771                 }
 772         }
 773
 774         g_strfreev(pdtokens);
 775 }
 776 #endif
 777
 778 void show_input(void)
 779 {
 780         const struct sr_input_module *imod;
 781         const struct sr_option **opts;
 782         GSList *l;
 783         int i;
 784         char *s, **tok;
 785
 786         tok = g_strsplit(opt_input_format, ":", 0);
 787         if (!tok[0] || !(imod = sr_input_find(tok[0])))
 788                 g_critical("Input module '%s' not found.", opt_input_format);
 789
 790         printf("ID: %s\nName: %s\n", sr_input_id_get(imod),
 791                         sr_input_name_get(imod));
 792         printf("Description: %s\n", sr_input_description_get(imod));
 793         if ((opts = sr_input_options_get(imod))) {
 794                 printf("Options:\n");
 795                 for (i = 0; opts[i]; i++) {
 796                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 797                         if (opts[i]->def) {
 798                                 s = g_variant_print(opts[i]->def, FALSE);
 799                                 printf(" (default %s", s);
 800                                 g_free(s);
 801                                 if (opts[i]->values) {
 802                                         printf(", possible values ");
 803                                         for (l = opts[i]->values; l; l = l->next) {
 804                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 805                                                 printf("%s%s", s, l->next ? ", " : "");
 806                                                 g_free(s);
 807                                         }
 808                                 }
 809                                 printf(")");
 810                         }
 811                         printf("\n");
 812                 }
 813                 sr_input_options_free(opts);
 814         }
 815         g_strfreev(tok);
 816 }
 817
 818 void show_output(void)
 819 {
 820         const struct sr_output_module *omod;
 821         const struct sr_option **opts;
 822         GSList *l;
 823         int i;
 824         char *s, **tok;
 825
 826         tok = g_strsplit(opt_output_format, ":", 0);
 827         if (!tok[0] || !(omod = sr_output_find(tok[0])))
 828                 g_critical("Output module '%s' not found.", opt_output_format);
 829
 830         printf("ID: %s\nName: %s\n", sr_output_id_get(omod),
 831                         sr_output_name_get(omod));
 832         printf("Description: %s\n", sr_output_description_get(omod));
 833         if ((opts = sr_output_options_get(omod))) {
 834                 printf("Options:\n");
 835                 for (i = 0; opts[i]; i++) {
 836                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 837                         if (opts[i]->def) {
 838                                 s = g_variant_print(opts[i]->def, FALSE);
 839                                 printf(" (default %s", s);
 840                                 g_free(s);
 841                                 if (opts[i]->values) {
 842                                         printf(", possible values ");
 843                                         for (l = opts[i]->values; l; l = l->next) {
 844                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 845                                                 printf("%s%s", s, l->next ? ", " : "");
 846                                                 g_free(s);
 847                                         }
 848                                 }
 849                                 printf(")");
 850                         }
 851                         printf("\n");
 852                 }
 853                 sr_output_options_free(opts);
 854         }
 855         g_strfreev(tok);
 856 }
 857
 858 void show_transform(void)
 859 {
 860         const struct sr_transform_module *tmod;
 861         const struct sr_option **opts;
 862         GSList *l;
 863         int i;
 864         char *s, **tok;
 865
 866         tok = g_strsplit(opt_transform_module, ":", 0);
 867         if (!tok[0] || !(tmod = sr_transform_find(tok[0])))
 868                 g_critical("Transform module '%s' not found.", opt_transform_module);
 869
 870         printf("ID: %s\nName: %s\n", sr_transform_id_get(tmod),
 871                         sr_transform_name_get(tmod));
 872         printf("Description: %s\n", sr_transform_description_get(tmod));
 873         if ((opts = sr_transform_options_get(tmod))) {
 874                 printf("Options:\n");
 875                 for (i = 0; opts[i]; i++) {
 876                         printf("  %s: %s", opts[i]->id, opts[i]->desc);
 877                         if (opts[i]->def) {
 878                                 s = g_variant_print(opts[i]->def, FALSE);
 879                                 printf(" (default %s", s);
 880                                 g_free(s);
 881                                 if (opts[i]->values) {
 882                                         printf(", possible values ");
 883                                         for (l = opts[i]->values; l; l = l->next) {
 884                                                 s = g_variant_print((GVariant *)l->data, FALSE);
 885                                                 printf("%s%s", s, l->next ? ", " : "");
 886                                                 g_free(s);
 887                                         }
 888                                 }
 889                                 printf(")");
 890                         }
 891                         printf("\n");
 892                 }
 893                 sr_transform_options_free(opts);
 894         }
 895         g_strfreev(tok);
 896 }