sigrok-cli.c

   1 /*
   2  * This file is part of the sigrok project.
   3  *
   4  * Copyright (C) 2012 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 <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include <string.h>
  25 #include <time.h>
  26 #include <sys/time.h>
  27 #include <inttypes.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <errno.h>
  31 #include <glib.h>
  32 #include <glib/gstdio.h>
  33 #include <sigrok.h>
  34 #include "sigrok-cli.h"
  35 #include "config.h"
  36
  37 #define DEFAULT_OUTPUT_FORMAT "bits:width=64"
  38
  39 extern struct sr_hwcap_option sr_hwcap_options[];
  40
  41 static uint64_t limit_samples = 0;
  42 static uint64_t limit_frames = 0;
  43 static struct sr_output_format *output_format = NULL;
  44 static int default_output_format = FALSE;
  45 static char *output_format_param = NULL;
  46 static char *input_format_param = NULL;
  47 static GHashTable *pd_ann_visible = NULL;
  48
  49 static gboolean opt_version = FALSE;
  50 static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
  51 static gboolean opt_list_devs = FALSE;
  52 static gboolean opt_wait_trigger = FALSE;
  53 static gchar *opt_input_file = NULL;
  54 static gchar *opt_output_file = NULL;
  55 static gchar *opt_dev = NULL;
  56 static gchar *opt_probes = NULL;
  57 static gchar *opt_triggers = NULL;
  58 static gchar *opt_pds = NULL;
  59 static gchar *opt_pd_stack = NULL;
  60 static gchar *opt_pd_annotations = NULL;
  61 static gchar *opt_input_format = NULL;
  62 static gchar *opt_output_format = NULL;
  63 static gchar *opt_time = NULL;
  64 static gchar *opt_samples = NULL;
  65 static gchar *opt_frames = NULL;
  66 static gchar *opt_continuous = NULL;
  67
  68 static GOptionEntry optargs[] = {
  69         {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
  70                         "Show version and support list", NULL},
  71         {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
  72                         "Set libsigrok/libsigrokdecode loglevel", NULL},
  73         {"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devs,
  74                         "Scan for devices", NULL},
  75         {"device", 'd', 0, G_OPTION_ARG_STRING, &opt_dev,
  76                         "Use specified device", NULL},
  77         {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
  78                         "Load input from file", NULL},
  79         {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
  80                         "Input format", NULL},
  81         {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
  82                         "Save output to file", NULL},
  83         {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
  84                         "Output format", NULL},
  85         {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
  86                         "Probes to use", NULL},
  87         {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
  88                         "Trigger configuration", NULL},
  89         {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
  90                         "Wait for trigger", NULL},
  91         {"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds,
  92                         "Protocol decoders to run", NULL},
  93         {"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
  94                         "Protocol decoder stack", NULL},
  95         {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
  96                         "Protocol decoder annotation(s) to show", NULL},
  97         {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
  98                         "How long to sample (ms)", NULL},
  99         {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
 100                         "Number of samples to acquire", NULL},
 101         {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
 102                         "Number of frames to acquire", NULL},
 103         {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
 104                         "Sample continuously", NULL},
 105         {NULL, 0, 0, 0, NULL, NULL, NULL}
 106 };
 107
 108 static void show_version(void)
 109 {
 110         GSList *l;
 111         struct sr_dev_driver **drivers;
 112         struct sr_input_format **inputs;
 113         struct sr_output_format **outputs;
 114         struct srd_decoder *dec;
 115         int i;
 116
 117         printf("sigrok-cli %s\n\n", VERSION);
 118
 119         printf("Using libsigrok %s (lib version %s).\n",
 120                sr_package_version_string_get(), sr_lib_version_string_get());
 121         printf("Using libsigrokdecode %s (lib version %s).\n\n",
 122                srd_package_version_string_get(), srd_lib_version_string_get());
 123
 124         printf("Supported hardware drivers:\n");
 125         drivers = sr_driver_list();
 126         for (i = 0; drivers[i]; i++) {
 127                 printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
 128         }
 129         printf("\n");
 130
 131         printf("Supported input formats:\n");
 132         inputs = sr_input_list();
 133         for (i = 0; inputs[i]; i++)
 134                 printf("  %-20s %s\n", inputs[i]->id, inputs[i]->description);
 135         printf("\n");
 136
 137         printf("Supported output formats:\n");
 138         outputs = sr_output_list();
 139         for (i = 0; outputs[i]; i++)
 140                 printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
 141         printf("\n");
 142
 143         if (srd_init(NULL) == SRD_OK) {
 144                 printf("Supported protocol decoders:\n");
 145                 srd_decoder_load_all();
 146                 for (l = srd_decoder_list(); l; l = l->next) {
 147                         dec = l->data;
 148                         printf("  %-20s %s\n", dec->id, dec->longname);
 149                         /* Print protocol description upon "-l 3" or higher. */
 150                         if (opt_loglevel >= SR_LOG_INFO)
 151                                 printf("  %-20s %s\n", "", dec->desc);
 152                 }
 153                 srd_exit();
 154         }
 155         printf("\n");
 156 }
 157
 158 static void print_dev_line(const struct sr_dev *dev)
 159 {
 160         const struct sr_dev_inst *sdi;
 161
 162         sr_dev_info_get(dev, SR_DI_INST, (const void **)&sdi);
 163
 164         if (sdi->vendor && sdi->vendor[0])
 165                 printf("%s ", sdi->vendor);
 166         if (sdi->model && sdi->model[0])
 167                 printf("%s ", sdi->model);
 168         if (sdi->version && sdi->version[0])
 169                 printf("%s ", sdi->version);
 170         if (dev->probes)
 171                 printf("with %d probes", g_slist_length(dev->probes));
 172         printf("\n");
 173 }
 174
 175 static void show_dev_list(void)
 176 {
 177         struct sr_dev *dev, *demo_dev;
 178         GSList *devs, *l;
 179         int devcnt;
 180
 181         devcnt = 0;
 182         devs = sr_dev_list();
 183
 184         if (g_slist_length(devs) == 0)
 185                 return;
 186
 187         printf("The following devices were found:\nID    Device\n");
 188         demo_dev = NULL;
 189         for (l = devs; l; l = l->next) {
 190                 dev = l->data;
 191                 if (sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV)) {
 192                         demo_dev = dev;
 193                         continue;
 194                 }
 195                 printf("%-3d   ", devcnt++);
 196                 print_dev_line(dev);
 197         }
 198         if (demo_dev) {
 199                 printf("demo  ");
 200                 print_dev_line(demo_dev);
 201         }
 202 }
 203
 204 static void show_dev_detail(void)
 205 {
 206         struct sr_dev *dev;
 207         struct sr_hwcap_option *hwo;
 208         const struct sr_samplerates *samplerates;
 209         struct sr_rational *rationals;
 210         uint64_t *integers;
 211         int cap, *hwcaps, i;
 212         char *s, *title;
 213         const char *charopts, **stropts;
 214
 215         dev = parse_devstring(opt_dev);
 216         if (!dev) {
 217                 printf("No such device. Use -D to list all devices.\n");
 218                 return;
 219         }
 220
 221         print_dev_line(dev);
 222
 223         if (sr_dev_info_get(dev, SR_DI_TRIGGER_TYPES,
 224                                         (const void **)&charopts) == SR_OK) {
 225                 printf("Supported triggers: ");
 226                 while (*charopts) {
 227                         printf("%c ", *charopts);
 228                         charopts++;
 229                 }
 230                 printf("\n");
 231         }
 232
 233         title = "Supported options:\n";
 234         hwcaps = dev->driver->hwcap_get_all();
 235         for (cap = 0; hwcaps[cap]; cap++) {
 236                 if (!(hwo = sr_hw_hwcap_get(hwcaps[cap])))
 237                         continue;
 238
 239                 if (title) {
 240                         printf("%s", title);
 241                         title = NULL;
 242                 }
 243
 244                 if (hwo->hwcap == SR_HWCAP_PATTERN_MODE) {
 245                         /* Pattern generator modes */
 246                         printf("    %s", hwo->shortname);
 247                         if (sr_dev_info_get(dev, SR_DI_PATTERNS,
 248                                         (const void **)&stropts) == SR_OK) {
 249                                 printf(" - supported patterns:\n");
 250                                 for (i = 0; stropts[i]; i++)
 251                                         printf("      %s\n", stropts[i]);
 252                         } else {
 253                                 printf("\n");
 254                         }
 255
 256                 } else if (hwo->hwcap == SR_HWCAP_SAMPLERATE) {
 257                         /* Supported samplerates */
 258                         printf("    %s", hwo->shortname);
 259                         if (sr_dev_info_get(dev, SR_DI_SAMPLERATES,
 260                                         (const void **)&samplerates) != SR_OK) {
 261                                 printf("\n");
 262                                 continue;
 263                         }
 264                         if (samplerates->step) {
 265                                 /* low */
 266                                 if (!(s = sr_samplerate_string(samplerates->low)))
 267                                         continue;
 268                                 printf(" (%s", s);
 269                                 g_free(s);
 270                                 /* high */
 271                                 if (!(s = sr_samplerate_string(samplerates->high)))
 272                                         continue;
 273                                 printf(" - %s", s);
 274                                 g_free(s);
 275                                 /* step */
 276                                 if (!(s = sr_samplerate_string(samplerates->step)))
 277                                         continue;
 278                                 printf(" in steps of %s)\n", s);
 279                                 g_free(s);
 280                         } else {
 281                                 printf(" - supported samplerates:\n");
 282                                 for (i = 0; samplerates->list[i]; i++)
 283                                         printf("      %s\n", sr_samplerate_string(samplerates->list[i]));
 284                         }
 285
 286                 } else if (hwo->hwcap == SR_HWCAP_BUFFERSIZE) {
 287                         /* Supported buffer sizes */
 288                         printf("    %s", hwo->shortname);
 289                         if (sr_dev_info_get(dev, SR_DI_BUFFERSIZES,
 290                                         (const void **)&integers) != SR_OK) {
 291                                 printf("\n");
 292                                 continue;
 293                         }
 294                         printf(" - supported buffer sizes:\n");
 295                         for (i = 0; integers[i]; i++)
 296                                 printf("      %"PRIu64"\n", integers[i]);
 297
 298                 } else if (hwo->hwcap == SR_HWCAP_TIMEBASE) {
 299                         /* Supported time bases */
 300                         printf("    %s", hwo->shortname);
 301                         if (sr_dev_info_get(dev, SR_DI_TIMEBASES,
 302                                         (const void **)&rationals) != SR_OK) {
 303                                 printf("\n");
 304                                 continue;
 305                         }
 306                         printf(" - supported time bases:\n");
 307                         for (i = 0; rationals[i].p && rationals[i].q; i++)
 308                                 printf("      %s\n", sr_period_string(
 309                                                 rationals[i].p * rationals[i].q));
 310
 311                 } else if (hwo->hwcap == SR_HWCAP_TRIGGER_SOURCE) {
 312                         /* Supported trigger sources */
 313                         printf("    %s", hwo->shortname);
 314                         if (sr_dev_info_get(dev, SR_DI_TRIGGER_SOURCES,
 315                                         (const void **)&stropts) != SR_OK) {
 316                                 printf("\n");
 317                                 continue;
 318                         }
 319                         printf(" - supported trigger sources:\n");
 320                         for (i = 0; stropts[i]; i++)
 321                                 printf("      %s\n", stropts[i]);
 322
 323                 } else if (hwo->hwcap == SR_HWCAP_FILTER) {
 324                         /* Supported trigger sources */
 325                         printf("    %s", hwo->shortname);
 326                         if (sr_dev_info_get(dev, SR_DI_FILTERS,
 327                                         (const void **)&stropts) != SR_OK) {
 328                                 printf("\n");
 329                                 continue;
 330                         }
 331                         printf(" - supported filter targets:\n");
 332                         for (i = 0; stropts[i]; i++)
 333                                 printf("      %s\n", stropts[i]);
 334
 335                 } else {
 336                         /* Everything else */
 337                         printf("    %s\n", hwo->shortname);
 338                 }
 339         }
 340 }
 341
 342 static void show_pd_detail(void)
 343 {
 344         GSList *l;
 345         struct srd_decoder *dec;
 346         char **pdtokens, **pdtok, **ann, *doc;
 347         struct srd_probe *p;
 348
 349         pdtokens = g_strsplit(opt_pds, ",", -1);
 350         for (pdtok = pdtokens; *pdtok; pdtok++) {
 351                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 352                         printf("Protocol decoder %s not found.\n", *pdtok);
 353                         return;
 354                 }
 355                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 356                                 dec->id, dec->name, dec->longname, dec->desc);
 357                 printf("License: %s\n", dec->license);
 358                 printf("Annotations:\n");
 359                 if (dec->annotations) {
 360                         for (l = dec->annotations; l; l = l->next) {
 361                                 ann = l->data;
 362                                 printf("- %s\n  %s\n", ann[0], ann[1]);
 363                         }
 364                 } else {
 365                         printf("None.\n");
 366                 }
 367                 /* TODO: Print supported decoder options. */
 368                 printf("Required probes:\n");
 369                 if (dec->probes) {
 370                         for (l = dec->probes; l; l = l->next) {
 371                                 p = l->data;
 372                                 printf("- %s (%s): %s\n",
 373                                        p->name, p->id, p->desc);
 374                         }
 375                 } else {
 376                         printf("None.\n");
 377                 }
 378                 printf("Optional probes:\n");
 379                 if (dec->opt_probes) {
 380                         for (l = dec->opt_probes; l; l = l->next) {
 381                                 p = l->data;
 382                                 printf("- %s (%s): %s\n",
 383                                        p->name, p->id, p->desc);
 384                         }
 385                 } else {
 386                         printf("None.\n");
 387                 }
 388                 if ((doc = srd_decoder_doc_get(dec))) {
 389                         printf("Documentation:\n%s\n",
 390                                doc[0] == '\n' ? doc + 1 : doc);
 391                         g_free(doc);
 392                 }
 393         }
 394
 395         g_strfreev(pdtokens);
 396 }
 397
 398 static void datafeed_in(struct sr_dev *dev, struct sr_datafeed_packet *packet)
 399 {
 400         static struct sr_output *o = NULL;
 401         static int logic_probelist[SR_MAX_NUM_PROBES] = { 0 };
 402         static struct sr_probe *analog_probelist[SR_MAX_NUM_PROBES];
 403         static uint64_t received_samples = 0;
 404         static int unitsize = 0;
 405         static int triggered = 0;
 406         static FILE *outfile = NULL;
 407         static int num_analog_probes = 0;
 408         struct sr_probe *probe;
 409         struct sr_datafeed_logic *logic;
 410         struct sr_datafeed_meta_logic *meta_logic;
 411         struct sr_datafeed_analog *analog;
 412         struct sr_datafeed_meta_analog *meta_analog;
 413         static int num_enabled_analog_probes = 0;
 414         int num_enabled_probes, sample_size, data_offset, ret, i, j;
 415         uint64_t output_len, filter_out_len;
 416         uint8_t *output_buf, *filter_out;
 417         float asample;
 418
 419         /* If the first packet to come in isn't a header, don't even try. */
 420         if (packet->type != SR_DF_HEADER && o == NULL)
 421                 return;
 422
 423         sample_size = -1;
 424         switch (packet->type) {
 425         case SR_DF_HEADER:
 426                 g_debug("cli: Received SR_DF_HEADER");
 427                 /* Initialize the output module. */
 428                 if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
 429                         g_critical("Output module malloc failed.");
 430                         exit(1);
 431                 }
 432                 o->format = output_format;
 433                 o->dev = dev;
 434                 o->param = output_format_param;
 435                 if (o->format->init) {
 436                         if (o->format->init(o) != SR_OK) {
 437                                 g_critical("Output format initialization failed.");
 438                                 exit(1);
 439                         }
 440                 }
 441                 break;
 442
 443         case SR_DF_END:
 444                 g_debug("cli: Received SR_DF_END");
 445                 if (!o) {
 446                         g_debug("cli: double end!");
 447                         break;
 448                 }
 449                 if (o->format->event) {
 450                         o->format->event(o, SR_DF_END, &output_buf, &output_len);
 451                         if (output_len) {
 452                                 if (outfile)
 453                                         fwrite(output_buf, 1, output_len, outfile);
 454                                 g_free(output_buf);
 455                                 output_len = 0;
 456                         }
 457                 }
 458                 if (limit_samples && received_samples < limit_samples)
 459                         g_warning("Device only sent %" PRIu64 " samples.",
 460                                received_samples);
 461                 if (opt_continuous)
 462                         g_warning("Device stopped after %" PRIu64 " samples.",
 463                                received_samples);
 464                 sr_session_halt();
 465                 if (outfile && outfile != stdout)
 466                         fclose(outfile);
 467                 g_free(o);
 468                 o = NULL;
 469                 break;
 470
 471         case SR_DF_TRIGGER:
 472                 g_debug("cli: received SR_DF_TRIGGER");
 473                 if (o->format->event)
 474                         o->format->event(o, SR_DF_TRIGGER, &output_buf,
 475                                          &output_len);
 476                 triggered = 1;
 477                 break;
 478
 479         case SR_DF_META_LOGIC:
 480                 g_message("cli: Received SR_DF_META_LOGIC");
 481                 meta_logic = packet->payload;
 482                 num_enabled_probes = 0;
 483                 for (i = 0; i < meta_logic->num_probes; i++) {
 484                         probe = g_slist_nth_data(dev->probes, i);
 485                         if (probe->enabled)
 486                                 logic_probelist[num_enabled_probes++] = probe->index;
 487                 }
 488                 /* How many bytes we need to store num_enabled_probes bits */
 489                 unitsize = (num_enabled_probes + 7) / 8;
 490
 491                 outfile = stdout;
 492                 if (opt_output_file) {
 493                         if (default_output_format) {
 494                                 /* output file is in session format, which means we'll
 495                                  * dump everything in the datastore as it comes in,
 496                                  * and save from there after the session. */
 497                                 outfile = NULL;
 498                                 ret = sr_datastore_new(unitsize, &(dev->datastore));
 499                                 if (ret != SR_OK) {
 500                                         printf("Failed to create datastore.\n");
 501                                         exit(1);
 502                                 }
 503                         } else {
 504                                 /* saving to a file in whatever format was set
 505                                  * with --format, so all we need is a filehandle */
 506                                 outfile = g_fopen(opt_output_file, "wb");
 507                         }
 508                 }
 509                 if (opt_pds)
 510                         srd_session_start(num_enabled_probes, unitsize,
 511                                         meta_logic->samplerate);
 512                 break;
 513
 514         case SR_DF_LOGIC:
 515                 logic = packet->payload;
 516                 g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
 517                 sample_size = logic->unitsize;
 518                 if (logic->length == 0)
 519                         break;
 520
 521                 /* Don't store any samples until triggered. */
 522                 if (opt_wait_trigger && !triggered)
 523                         break;
 524
 525                 if (limit_samples && received_samples >= limit_samples)
 526                         break;
 527
 528                 ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
 529                                            logic->data, logic->length,
 530                                            &filter_out, &filter_out_len);
 531                 if (ret != SR_OK)
 532                         break;
 533
 534                 /* what comes out of the filter is guaranteed to be packed into the
 535                  * minimum size needed to support the number of samples at this sample
 536                  * size. however, the driver may have submitted too much -- cut off
 537                  * the buffer of the last packet according to the sample limit.
 538                  */
 539                 if (limit_samples && (received_samples + logic->length / sample_size >
 540                                 limit_samples * sample_size))
 541                         filter_out_len = limit_samples * sample_size - received_samples;
 542
 543                 if (dev->datastore)
 544                         sr_datastore_put(dev->datastore, filter_out,
 545                                          filter_out_len, sample_size, logic_probelist);
 546
 547                 if (opt_output_file && default_output_format)
 548                         /* saving to a session file, don't need to do anything else
 549                          * to this data for now. */
 550                         goto cleanup;
 551
 552                 if (opt_pds) {
 553                         if (srd_session_send(received_samples, (uint8_t*)filter_out,
 554                                         filter_out_len) != SRD_OK)
 555                                 sr_session_halt();
 556                 } else {
 557                         output_len = 0;
 558                         if (o->format->data && packet->type == o->format->df_type)
 559                                 o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
 560                         if (output_len) {
 561                                 fwrite(output_buf, 1, output_len, outfile);
 562                                 g_free(output_buf);
 563                         }
 564                 }
 565
 566                 cleanup:
 567                 g_free(filter_out);
 568                 received_samples += logic->length / sample_size;
 569                 break;
 570
 571         case SR_DF_META_ANALOG:
 572                 g_message("cli: Received SR_DF_META_ANALOG");
 573                 meta_analog = packet->payload;
 574                 num_analog_probes = meta_analog->num_probes;
 575                 num_enabled_analog_probes = 0;
 576                 for (i = 0; i < num_analog_probes; i++) {
 577                         probe = g_slist_nth_data(dev->probes, i);
 578                         if (probe->enabled)
 579                                 analog_probelist[num_enabled_analog_probes++] = probe;
 580                 }
 581
 582                 outfile = stdout;
 583                 if (opt_output_file) {
 584                         if (default_output_format) {
 585                                 /* output file is in session format, which means we'll
 586                                  * dump everything in the datastore as it comes in,
 587                                  * and save from there after the session. */
 588                                 outfile = NULL;
 589                                 ret = sr_datastore_new(unitsize, &(dev->datastore));
 590                                 if (ret != SR_OK) {
 591                                         printf("Failed to create datastore.\n");
 592                                         exit(1);
 593                                 }
 594                         } else {
 595                                 /* saving to a file in whatever format was set
 596                                  * with --format, so all we need is a filehandle */
 597                                 outfile = g_fopen(opt_output_file, "wb");
 598                         }
 599                 }
 600 //              if (opt_pds)
 601 //                      srd_session_start(num_enabled_probes, unitsize,
 602 //                                      meta_logic->samplerate);
 603                 break;
 604
 605         case SR_DF_ANALOG:
 606                 analog = packet->payload;
 607                 g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
 608                 if (analog->num_samples == 0)
 609                         break;
 610
 611                 if (limit_samples && received_samples >= limit_samples)
 612                         break;
 613
 614                 data_offset = 0;
 615                 for (i = 0; i < analog->num_samples; i++) {
 616                         for (j = 0; j < num_enabled_analog_probes; j++) {
 617                                 asample = analog->data[data_offset++];
 618                                 printf("%s: %f\n", analog_probelist[j]->name, asample);
 619                         }
 620 //                      asample1 = asample2 = 0.0;
 621 //                      asample1 = analog->data[data_offset++];
 622 //                      asample2 = analog->data[i * num_analog_probes + 1];
 623 //                      printf("%d\t%f\t%f\n", received_samples+i+1, asample1, asample2);
 624                 }
 625
 626 //              output_len = 0;
 627 //              if (o->format->data && packet->type == o->format->df_type)
 628 //                      o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
 629
 630                 received_samples += analog->num_samples;
 631                 break;
 632
 633         case SR_DF_FRAME_BEGIN:
 634                 /* TODO */
 635                 printf("BEGIN\n");
 636                 break;
 637
 638         case SR_DF_FRAME_END:
 639                 /* TODO */
 640                 printf("END\n");
 641                 break;
 642
 643         default:
 644                 g_message("received unknown packet type %d", packet->type);
 645         }
 646
 647 }
 648
 649 /* Register the given PDs for this session.
 650  * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
 651  * That will instantiate two SPI decoders on the clock but different data
 652  * lines.
 653  */
 654 static int register_pds(struct sr_dev *dev, const char *pdstring)
 655 {
 656         GHashTable *pd_opthash;
 657         struct srd_decoder_inst *di;
 658         int ret;
 659         char **pdtokens, **pdtok, *pd_name;
 660
 661         /* Avoid compiler warnings. */
 662         (void)dev;
 663
 664         ret = 0;
 665         pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
 666                         g_free, NULL);
 667         pd_name = NULL;
 668         pd_opthash = NULL;
 669         pdtokens = g_strsplit(pdstring, ",", 0);
 670         for (pdtok = pdtokens; *pdtok; pdtok++) {
 671                 if (!(pd_opthash = parse_generic_arg(*pdtok))) {
 672                         g_critical("Invalid protocol decoder option '%s'.", *pdtok);
 673                         goto err_out;
 674                 }
 675
 676                 pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
 677                 g_hash_table_remove(pd_opthash, "sigrok_key");
 678                 if (srd_decoder_load(pd_name) != SRD_OK) {
 679                         g_critical("Failed to load protocol decoder %s.", pd_name);
 680                         ret = 1;
 681                         goto err_out;
 682                 }
 683                 if (!(di = srd_inst_new(pd_name, pd_opthash))) {
 684                         g_critical("Failed to instantiate protocol decoder %s.", pd_name);
 685                         ret = 1;
 686                         goto err_out;
 687                 }
 688
 689                 /* If no annotation list was specified, add them all in now.
 690                  * This will be pared down later to leave only the last PD
 691                  * in the stack.
 692                  */
 693                 if (!opt_pd_annotations)
 694                         g_hash_table_insert(pd_ann_visible,
 695                                             g_strdup(di->inst_id), NULL);
 696
 697                 /* Any keys left in the options hash are probes, where the key
 698                  * is the probe name as specified in the decoder class, and the
 699                  * value is the probe number i.e. the order in which the PD's
 700                  * incoming samples are arranged. */
 701                 if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
 702                         ret = 1;
 703                         goto err_out;
 704                 }
 705                 g_hash_table_destroy(pd_opthash);
 706                 pd_opthash = NULL;
 707         }
 708
 709 err_out:
 710         g_strfreev(pdtokens);
 711         if (pd_opthash)
 712                 g_hash_table_destroy(pd_opthash);
 713         if (pd_name)
 714                 g_free(pd_name);
 715
 716         return ret;
 717 }
 718
 719 int setup_pd_stack(void)
 720 {
 721         struct srd_decoder_inst *di_from, *di_to;
 722         int ret, i;
 723         char **pds;
 724
 725         /* Set up the protocol decoder stack. */
 726         pds = g_strsplit(opt_pds, ",", 0);
 727         if (g_strv_length(pds) > 1) {
 728                 if (opt_pd_stack) {
 729                         /* A stack setup was specified, use that. */
 730                         g_strfreev(pds);
 731                         pds = g_strsplit(opt_pd_stack, ",", 0);
 732                         if (g_strv_length(pds) < 2) {
 733                                 g_strfreev(pds);
 734                                 g_critical("Specify at least two protocol decoders to stack.");
 735                                 return 1;
 736                         }
 737                 }
 738
 739                 if (!(di_from = srd_inst_find_by_id(pds[0]))) {
 740                         g_critical("Cannot stack protocol decoder '%s': "
 741                                         "instance not found.", pds[0]);
 742                         return 1;
 743                 }
 744                 for (i = 1; pds[i]; i++) {
 745                         if (!(di_to = srd_inst_find_by_id(pds[i]))) {
 746                                 g_critical("Cannot stack protocol decoder '%s': "
 747                                                 "instance not found.", pds[i]);
 748                                 return 1;
 749                         }
 750                         if ((ret = srd_inst_stack(di_from, di_to)) != SRD_OK)
 751                                 return 1;
 752
 753                         /* Don't show annotation from this PD. Only the last PD in
 754                          * the stack will be left on the annotation list (unless
 755                          * the annotation list was specifically provided).
 756                          */
 757                         if (!opt_pd_annotations)
 758                                 g_hash_table_remove(pd_ann_visible,
 759                                                     di_from->inst_id);
 760
 761                         di_from = di_to;
 762                 }
 763         }
 764         g_strfreev(pds);
 765
 766         return 0;
 767 }
 768
 769 int setup_pd_annotations(void)
 770 {
 771         GSList *l;
 772         struct srd_decoder *dec;
 773         int ann;
 774         char **pds, **pdtok, **keyval, **ann_descr;
 775
 776         /* Set up custom list of PDs and annotations to show. */
 777         if (opt_pd_annotations) {
 778                 pds = g_strsplit(opt_pd_annotations, ",", 0);
 779                 for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
 780                         ann = 0;
 781                         keyval = g_strsplit(*pdtok, "=", 0);
 782                         if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
 783                                 g_critical("Protocol decoder '%s' not found.", keyval[0]);
 784                                 return 1;
 785                         }
 786                         if (!dec->annotations) {
 787                                 g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
 788                                 return 1;
 789                         }
 790                         if (g_strv_length(keyval) == 2) {
 791                                 for (l = dec->annotations; l; l = l->next, ann++) {
 792                                         ann_descr = l->data;
 793                                         if (!canon_cmp(ann_descr[0], keyval[1]))
 794                                                 /* Found it. */
 795                                                 break;
 796                                 }
 797                                 if (!l) {
 798                                         g_critical("Annotation '%s' not found "
 799                                                         "for protocol decoder '%s'.", keyval[1], keyval[0]);
 800                                         return 1;
 801                                 }
 802                         }
 803                         g_debug("cli: showing protocol decoder annotation %d from '%s'", ann, keyval[0]);
 804                         g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann));
 805                         g_strfreev(keyval);
 806                 }
 807                 g_strfreev(pds);
 808         }
 809
 810         return 0;
 811 }
 812
 813 int setup_output_format(void)
 814 {
 815         GHashTable *fmtargs;
 816         GHashTableIter iter;
 817         gpointer key, value;
 818         struct sr_output_format **outputs;
 819         int i;
 820         char *fmtspec;
 821
 822         if (!opt_output_format) {
 823                 opt_output_format = DEFAULT_OUTPUT_FORMAT;
 824                 /* we'll need to remember this so when saving to a file
 825                  * later, sigrok session format will be used.
 826                  */
 827                 default_output_format = TRUE;
 828         }
 829         fmtargs = parse_generic_arg(opt_output_format);
 830         fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
 831         if (!fmtspec) {
 832                 g_critical("Invalid output format.");
 833                 return 1;
 834         }
 835         outputs = sr_output_list();
 836         for (i = 0; outputs[i]; i++) {
 837                 if (strcmp(outputs[i]->id, fmtspec))
 838                         continue;
 839                 g_hash_table_remove(fmtargs, "sigrok_key");
 840                 output_format = outputs[i];
 841                 g_hash_table_iter_init(&iter, fmtargs);
 842                 while (g_hash_table_iter_next(&iter, &key, &value)) {
 843                         /* only supporting one parameter per output module
 844                          * for now, and only its value */
 845                         output_format_param = g_strdup(value);
 846                         break;
 847                 }
 848                 break;
 849         }
 850         if (!output_format) {
 851                 g_critical("Invalid output format %s.", opt_output_format);
 852                 return 1;
 853         }
 854         g_hash_table_destroy(fmtargs);
 855
 856         return 0;
 857 }
 858
 859 void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
 860 {
 861         int i;
 862         char **annotations;
 863         gpointer ann_format;
 864
 865         /* 'cb_data' is not used in this specific callback. */
 866         (void)cb_data;
 867
 868         if (!pd_ann_visible)
 869                 return;
 870
 871         if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
 872                         NULL, &ann_format))
 873                 /* Not in the list of PDs whose annotations we're showing. */
 874                 return;
 875
 876         if (pdata->ann_format != GPOINTER_TO_INT(ann_format))
 877                 /* We don't want this particular format from the PD. */
 878                 return;
 879
 880         annotations = pdata->data;
 881         if (opt_loglevel > SR_LOG_WARN)
 882                 printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
 883         printf("%s: ", pdata->pdo->proto_id);
 884         for (i = 0; annotations[i]; i++)
 885                 printf("\"%s\" ", annotations[i]);
 886         printf("\n");
 887 }
 888
 889 static int select_probes(struct sr_dev *dev)
 890 {
 891         struct sr_probe *probe;
 892         char **probelist;
 893         int max_probes, i;
 894
 895         if (!opt_probes)
 896                 return SR_OK;
 897
 898         /*
 899          * This only works because a device by default initializes
 900          * and enables all its probes.
 901          */
 902         max_probes = g_slist_length(dev->probes);
 903         probelist = parse_probestring(max_probes, opt_probes);
 904         if (!probelist) {
 905                 return SR_ERR;
 906         }
 907
 908         for (i = 0; i < max_probes; i++) {
 909                 if (probelist[i]) {
 910                         sr_dev_probe_name_set(dev, i + 1, probelist[i]);
 911                         g_free(probelist[i]);
 912                 } else {
 913                         probe = sr_dev_probe_find(dev, i + 1);
 914                         probe->enabled = FALSE;
 915                 }
 916         }
 917         g_free(probelist);
 918
 919         return SR_OK;
 920 }
 921
 922 /**
 923  * Return the input file format which the CLI tool should use.
 924  *
 925  * If the user specified -I / --input-format, use that one. Otherwise, try to
 926  * autodetect the format as good as possible. Failing that, return NULL.
 927  *
 928  * @param filename The filename of the input file. Must not be NULL.
 929  * @param opt The -I / --input-file option the user specified (or NULL).
 930  *
 931  * @return A pointer to the 'struct sr_input_format' that should be used,
 932  *         or NULL if no input format was selected or auto-detected.
 933  */
 934 static struct sr_input_format *determine_input_file_format(
 935                         const char *filename, const char *opt)
 936 {
 937         int i;
 938         struct sr_input_format **inputs;
 939
 940         /* If there are no input formats, return NULL right away. */
 941         inputs = sr_input_list();
 942         if (!inputs) {
 943                 g_critical("No supported input formats available.");
 944                 return NULL;
 945         }
 946
 947         /* If the user specified -I / --input-format, use that one. */
 948         if (opt) {
 949                 for (i = 0; inputs[i]; i++) {
 950                         if (strcasecmp(inputs[i]->id, opt_input_format))
 951                                 continue;
 952                         g_debug("Using user-specified input file format '%s'.",
 953                                         inputs[i]->id);
 954                         return inputs[i];
 955                 }
 956
 957                 /* The user specified an unknown input format, return NULL. */
 958                 g_critical("Error: specified input file format '%s' is "
 959                         "unknown.", opt_input_format);
 960                 return NULL;
 961         }
 962
 963         /* Otherwise, try to find an input module that can handle this file. */
 964         for (i = 0; inputs[i]; i++) {
 965                 if (inputs[i]->format_match(filename))
 966                         break;
 967         }
 968
 969         /* Return NULL if no input module wanted to touch this. */
 970         if (!inputs[i]) {
 971                 g_critical("Error: no matching input module found.");
 972                 return NULL;
 973         }
 974
 975         g_debug("cli: Autodetected '%s' input format for file '%s'.",
 976                 inputs[i]->id, filename);
 977
 978         return inputs[i];
 979 }
 980
 981 static void load_input_file_format(void)
 982 {
 983         struct stat st;
 984         struct sr_input *in;
 985         struct sr_input_format *input_format;
 986
 987         if (!(input_format = determine_input_file_format(opt_input_file,
 988                                                    opt_input_format)))
 989                 /* The exact cause was already logged. */
 990                 return;
 991
 992         if (stat(opt_input_file, &st) == -1) {
 993                 g_critical("Failed to load %s: %s", opt_input_file,
 994                         strerror(errno));
 995                 exit(1);
 996         }
 997
 998         /* Initialize the input module. */
 999         if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
1000                 g_critical("Failed to allocate input module.");
1001                 exit(1);
1002         }
1003         in->format = input_format;
1004         in->param = input_format_param;
1005         if (in->format->init) {
1006                 if (in->format->init(in) != SR_OK) {
1007                         g_critical("Input format init failed.");
1008                         exit(1);
1009                 }
1010         }
1011
1012         if (select_probes(in->vdev) > 0)
1013             return;
1014
1015         sr_session_new();
1016         sr_session_datafeed_callback_add(datafeed_in);
1017         if (sr_session_dev_add(in->vdev) != SR_OK) {
1018                 g_critical("Failed to use device.");
1019                 sr_session_destroy();
1020                 return;
1021         }
1022
1023         input_format->loadfile(in, opt_input_file);
1024         if (opt_output_file && default_output_format) {
1025                 if (sr_session_save(opt_output_file) != SR_OK)
1026                         g_critical("Failed to save session.");
1027         }
1028         sr_session_destroy();
1029 }
1030
1031 static void load_input_file(void)
1032 {
1033
1034         if (sr_session_load(opt_input_file) == SR_OK) {
1035                 /* sigrok session file */
1036                 sr_session_datafeed_callback_add(datafeed_in);
1037                 sr_session_start();
1038                 sr_session_run();
1039                 sr_session_stop();
1040         }
1041         else {
1042                 /* fall back on input modules */
1043                 load_input_file_format();
1044         }
1045 }
1046
1047 int num_real_devs(void)
1048 {
1049         struct sr_dev *dev;
1050         GSList *devs, *l;
1051         int num_devs;
1052
1053         num_devs = 0;
1054         devs = sr_dev_list();
1055         for (l = devs; l; l = l->next) {
1056                 dev = l->data;
1057                 if (!sr_dev_has_hwcap(dev, SR_HWCAP_DEMO_DEV))
1058                         num_devs++;
1059         }
1060
1061         return num_devs;
1062 }
1063
1064 static int set_dev_options(struct sr_dev *dev, GHashTable *args)
1065 {
1066         GHashTableIter iter;
1067         gpointer key, value;
1068         int ret, i;
1069         float tmp_float;
1070         uint64_t tmp_u64;
1071         struct sr_rational tmp_rat;
1072         gboolean tmp_bool;
1073         gboolean found;
1074
1075         g_hash_table_iter_init(&iter, args);
1076         while (g_hash_table_iter_next(&iter, &key, &value)) {
1077                 found = FALSE;
1078                 for (i = 0; sr_hwcap_options[i].hwcap; i++) {
1079                         if (strcmp(sr_hwcap_options[i].shortname, key))
1080                                 continue;
1081                         if ((value == NULL) &&
1082                             (sr_hwcap_options[i].type != SR_T_BOOL)) {
1083                                 g_critical("Option '%s' needs a value.", (char *)key);
1084                                 return SR_ERR;
1085                         }
1086                         found = TRUE;
1087                         switch (sr_hwcap_options[i].type) {
1088                         case SR_T_UINT64:
1089                                 ret = sr_parse_sizestring(value, &tmp_u64);
1090                                 if (ret != SR_OK)
1091                                         break;
1092                                 ret = dev->driver->dev_config_set(dev->driver_index,
1093                                         sr_hwcap_options[i].hwcap, &tmp_u64);
1094                                 break;
1095                         case SR_T_CHAR:
1096                                 ret = dev->driver->dev_config_set(dev->driver_index,
1097                                         sr_hwcap_options[i].hwcap, value);
1098                                 break;
1099                         case SR_T_BOOL:
1100                                 if (!value)
1101                                         tmp_bool = TRUE;
1102                                 else
1103                                         tmp_bool = sr_parse_boolstring(value);
1104                                 ret = dev->driver->dev_config_set(dev->driver_index,
1105                                                 sr_hwcap_options[i].hwcap,
1106                                                 GINT_TO_POINTER(tmp_bool));
1107                                 break;
1108                         case SR_T_FLOAT:
1109                                 tmp_float = strtof(value, NULL);
1110                                 ret = dev->driver->dev_config_set(dev->driver_index,
1111                                                 sr_hwcap_options[i].hwcap, &tmp_float);
1112                                 break;
1113                         case SR_T_RATIONAL_PERIOD:
1114                                 if ((ret = sr_parse_period(value, &tmp_rat)) != SR_OK)
1115                                         break;
1116                                 ret = dev->driver->dev_config_set(dev->driver_index,
1117                                                 sr_hwcap_options[i].hwcap, &tmp_rat);
1118                                 break;
1119                         default:
1120                                 ret = SR_ERR;
1121                         }
1122
1123                         if (ret != SR_OK) {
1124                                 g_critical("Failed to set device option '%s'.", (char *)key);
1125                                 return ret;
1126                         }
1127                         else
1128                                 break;
1129                 }
1130                 if (!found) {
1131                         g_critical("Unknown device option '%s'.", (char *) key);
1132                         return SR_ERR;
1133                 }
1134         }
1135
1136         return SR_OK;
1137 }
1138
1139 static void run_session(void)
1140 {
1141         struct sr_dev *dev;
1142         GHashTable *devargs;
1143         int num_devs, max_probes, i;
1144         uint64_t time_msec;
1145         char **probelist, *devspec;
1146
1147         devargs = NULL;
1148         if (opt_dev) {
1149                 devargs = parse_generic_arg(opt_dev);
1150                 devspec = g_hash_table_lookup(devargs, "sigrok_key");
1151                 dev = parse_devstring(devspec);
1152                 if (!dev) {
1153                         g_critical("Device not found.");
1154                         return;
1155                 }
1156                 g_hash_table_remove(devargs, "sigrok_key");
1157         } else {
1158                 num_devs = num_real_devs();
1159                 if (num_devs == 1) {
1160                         /* No device specified, but there is only one. */
1161                         devargs = NULL;
1162                         dev = parse_devstring("0");
1163                 } else if (num_devs == 0) {
1164                         g_critical("No devices found.");
1165                         return;
1166                 } else {
1167                         g_critical("%d devices found, please select one.", num_devs);
1168                         return;
1169                 }
1170         }
1171
1172         sr_session_new();
1173         sr_session_datafeed_callback_add(datafeed_in);
1174
1175         if (sr_session_dev_add(dev) != SR_OK) {
1176                 g_critical("Failed to use device.");
1177                 sr_session_destroy();
1178                 return;
1179         }
1180
1181         if (devargs) {
1182                 if (set_dev_options(dev, devargs) != SR_OK) {
1183                         sr_session_destroy();
1184                         return;
1185                 }
1186                 g_hash_table_destroy(devargs);
1187         }
1188
1189         if (select_probes(dev) != SR_OK)
1190             return;
1191
1192         if (opt_continuous) {
1193                 if (!sr_driver_hwcap_exists(dev->driver, SR_HWCAP_CONTINUOUS)) {
1194                         g_critical("This device does not support continuous sampling.");
1195                         sr_session_destroy();
1196                         return;
1197                 }
1198         }
1199
1200         if (opt_triggers) {
1201                 probelist = sr_parse_triggerstring(dev, opt_triggers);
1202                 if (!probelist) {
1203                         sr_session_destroy();
1204                         return;
1205                 }
1206
1207                 max_probes = g_slist_length(dev->probes);
1208                 for (i = 0; i < max_probes; i++) {
1209                         if (probelist[i]) {
1210                                 sr_dev_trigger_set(dev, i + 1, probelist[i]);
1211                                 g_free(probelist[i]);
1212                         }
1213                 }
1214                 g_free(probelist);
1215         }
1216
1217         if (opt_time) {
1218                 time_msec = sr_parse_timestring(opt_time);
1219                 if (time_msec == 0) {
1220                         g_critical("Invalid time '%s'", opt_time);
1221                         sr_session_destroy();
1222                         return;
1223                 }
1224
1225                 if (sr_driver_hwcap_exists(dev->driver, SR_HWCAP_LIMIT_MSEC)) {
1226                         if (dev->driver->dev_config_set(dev->driver_index,
1227                             SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
1228                                 g_critical("Failed to configure time limit.");
1229                                 sr_session_destroy();
1230                                 return;
1231                         }
1232                 }
1233                 else {
1234                         /* time limit set, but device doesn't support this...
1235                          * convert to samples based on the samplerate.
1236                          */
1237                         limit_samples = 0;
1238                         if (sr_dev_has_hwcap(dev, SR_HWCAP_SAMPLERATE)) {
1239                                 const uint64_t *samplerate;
1240
1241                                 sr_dev_info_get(dev, SR_DI_CUR_SAMPLERATE,
1242                                                 (const void **)&samplerate);
1243                                 limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
1244                         }
1245                         if (limit_samples == 0) {
1246                                 g_critical("Not enough time at this samplerate.");
1247                                 sr_session_destroy();
1248                                 return;
1249                         }
1250
1251                         if (dev->driver->dev_config_set(dev->driver_index,
1252                             SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK) {
1253                                 g_critical("Failed to configure time-based sample limit.");
1254                                 sr_session_destroy();
1255                                 return;
1256                         }
1257                 }
1258         }
1259
1260         if (opt_samples) {
1261                 if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
1262                         || (dev->driver->dev_config_set(dev->driver_index,
1263                             SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK)) {
1264                         g_critical("Failed to configure sample limit.");
1265                         sr_session_destroy();
1266                         return;
1267                 }
1268         }
1269
1270         if (opt_frames) {
1271                 if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)
1272                         || (dev->driver->dev_config_set(dev->driver_index,
1273                             SR_HWCAP_LIMIT_FRAMES, &limit_frames) != SR_OK)) {
1274                         printf("Failed to configure frame limit.\n");
1275                         sr_session_destroy();
1276                         return;
1277                 }
1278         }
1279
1280         if (dev->driver->dev_config_set(dev->driver_index,
1281                   SR_HWCAP_PROBECONFIG, (char *)dev->probes) != SR_OK) {
1282                 g_critical("Failed to configure probes.");
1283                 sr_session_destroy();
1284                 return;
1285         }
1286
1287         if (sr_session_start() != SR_OK) {
1288                 g_critical("Failed to start session.");
1289                 sr_session_destroy();
1290                 return;
1291         }
1292
1293         if (opt_continuous)
1294                 add_anykey();
1295
1296         sr_session_run();
1297
1298         if (opt_continuous)
1299                 clear_anykey();
1300
1301         if (opt_output_file && default_output_format) {
1302                 if (sr_session_save(opt_output_file) != SR_OK)
1303                         g_critical("Failed to save session.");
1304         }
1305         sr_session_destroy();
1306 }
1307
1308 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
1309                    const gchar *message, gpointer cb_data)
1310 {
1311         /* Avoid compiler warnings. */
1312         (void)log_domain;
1313         (void)cb_data;
1314
1315         /*
1316          * All messages, warnings, errors etc. go to stderr (not stdout) in
1317          * order to not mess up the CLI tool data output, e.g. VCD output.
1318          */
1319         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
1320                         || opt_loglevel > SR_LOG_WARN) {
1321                 fprintf(stderr, "%s\n", message);
1322                 fflush(stderr);
1323         }
1324 }
1325
1326 int main(int argc, char **argv)
1327 {
1328         GOptionContext *context;
1329         GError *error;
1330
1331         g_log_set_default_handler(logger, NULL);
1332
1333         error = NULL;
1334         context = g_option_context_new(NULL);
1335         g_option_context_add_main_entries(context, optargs, NULL);
1336
1337         if (!g_option_context_parse(context, &argc, &argv, &error)) {
1338                 g_critical("%s", error->message);
1339                 return 1;
1340         }
1341
1342         /* Set the loglevel (amount of messages to output) for libsigrok. */
1343         if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
1344                 return 1;
1345
1346         /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
1347         if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
1348                 return 1;
1349
1350         if (sr_init() != SR_OK)
1351                 return 1;
1352
1353         if (opt_pds) {
1354                 if (srd_init(NULL) != SRD_OK)
1355                         return 1;
1356                 if (register_pds(NULL, opt_pds) != 0)
1357                         return 1;
1358                 if (srd_pd_output_callback_add(SRD_OUTPUT_ANN,
1359                                 show_pd_annotations, NULL) != SRD_OK)
1360                         return 1;
1361                 if (setup_pd_stack() != 0)
1362                         return 1;
1363                 if (setup_pd_annotations() != 0)
1364                         return 1;
1365         }
1366
1367         if (setup_output_format() != 0)
1368                 return 1;
1369
1370         if (opt_version)
1371                 show_version();
1372         else if (opt_list_devs)
1373                 show_dev_list();
1374         else if (opt_input_file)
1375                 load_input_file();
1376         else if (opt_samples || opt_time || opt_frames || opt_continuous)
1377                 run_session();
1378         else if (opt_dev)
1379                 show_dev_detail();
1380         else if (opt_pds)
1381                 show_pd_detail();
1382         else
1383                 printf("%s", g_option_context_get_help(context, TRUE, NULL));
1384
1385         if (opt_pds)
1386                 srd_exit();
1387
1388         g_option_context_free(context);
1389         sr_exit();
1390
1391         return 0;
1392 }