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