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 "config.h"
  21 #ifdef HAVE_SRD
  22 #include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
  23 #endif
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <string.h>
  28 #include <time.h>
  29 #include <sys/time.h>
  30 #include <inttypes.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <errno.h>
  34 #include <glib.h>
  35 #include <glib/gstdio.h>
  36 #include <libsigrok/libsigrok.h>
  37 #include "sigrok-cli.h"
  38
  39 #define DEFAULT_OUTPUT_FORMAT "bits:width=64"
  40
  41 static struct sr_context *sr_ctx = NULL;
  42
  43 static uint64_t limit_samples = 0;
  44 static uint64_t limit_frames = 0;
  45 static struct sr_output_format *output_format = NULL;
  46 static int default_output_format = FALSE;
  47 static char *output_format_param = NULL;
  48 #ifdef HAVE_SRD
  49 static GHashTable *pd_ann_visible = NULL;
  50 #endif
  51 static GByteArray *savebuf;
  52
  53 static gboolean opt_version = FALSE;
  54 static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
  55 static gboolean opt_list_devs = FALSE;
  56 static gboolean opt_wait_trigger = FALSE;
  57 static gchar *opt_input_file = NULL;
  58 static gchar *opt_output_file = NULL;
  59 static gchar *opt_drv = NULL;
  60 static gchar *opt_dev = NULL;
  61 static gchar *opt_probes = NULL;
  62 static gchar *opt_triggers = NULL;
  63 static gchar *opt_pds = NULL;
  64 #ifdef HAVE_SRD
  65 static gchar *opt_pd_stack = NULL;
  66 static gchar *opt_pd_annotations = NULL;
  67 #endif
  68 static gchar *opt_input_format = NULL;
  69 static gchar *opt_output_format = NULL;
  70 static gchar *opt_show = NULL;
  71 static gchar *opt_time = NULL;
  72 static gchar *opt_samples = NULL;
  73 static gchar *opt_frames = NULL;
  74 static gchar *opt_continuous = NULL;
  75 static gchar *opt_set = NULL;
  76
  77 static GOptionEntry optargs[] = {
  78         {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
  79                         "Show version and support list", NULL},
  80         {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
  81                         "Set libsigrok/libsigrokdecode loglevel", NULL},
  82         {"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devs,
  83                         "Scan for devices", NULL},
  84         {"driver", 0, 0, G_OPTION_ARG_STRING, &opt_drv,
  85                         "Use only this driver", NULL},
  86         {"device", 'd', 0, G_OPTION_ARG_STRING, &opt_dev,
  87                         "Use specified device", NULL},
  88         {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
  89                         "Load input from file", NULL},
  90         {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
  91                         "Input format", NULL},
  92         {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
  93                         "Save output to file", NULL},
  94         {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
  95                         "Output format", NULL},
  96         {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes,
  97                         "Probes to use", NULL},
  98         {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
  99                         "Trigger configuration", NULL},
 100         {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
 101                         "Wait for trigger", NULL},
 102 #ifdef HAVE_SRD
 103         {"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds,
 104                         "Protocol decoders to run", NULL},
 105         {"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
 106                         "Protocol decoder stack", NULL},
 107         {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
 108                         "Protocol decoder annotation(s) to show", NULL},
 109 #endif
 110         {"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
 111                         "Show device detail", NULL},
 112         {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
 113                         "How long to sample (ms)", NULL},
 114         {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
 115                         "Number of samples to acquire", NULL},
 116         {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
 117                         "Number of frames to acquire", NULL},
 118         {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
 119                         "Sample continuously", NULL},
 120         {"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL},
 121         {NULL, 0, 0, 0, NULL, NULL, NULL}
 122 };
 123
 124
 125 /* Convert driver options hash to GSList of struct sr_config. */
 126 static GSList *hash_to_hwopt(GHashTable *hash)
 127 {
 128         const struct sr_config_info *srci;
 129         struct sr_config *src;
 130         GList *gl, *keys;
 131         GSList *opts;
 132         char *key, *value;
 133
 134         keys = g_hash_table_get_keys(hash);
 135         opts = NULL;
 136         for (gl = keys; gl; gl = gl->next) {
 137                 key = gl->data;
 138                 if (!(srci = sr_config_info_name_get(key))) {
 139                         g_critical("Unknown option %s", key);
 140                         return NULL;
 141                 }
 142                 src = g_try_malloc(sizeof(struct sr_config));
 143                 src->key = srci->key;
 144                 value = g_hash_table_lookup(hash, key);
 145                 src->value = g_strdup(value);
 146                 opts = g_slist_append(opts, src);
 147         }
 148         g_list_free(keys);
 149
 150         return opts;
 151 }
 152
 153 static void free_drvopts(struct sr_config *src)
 154 {
 155         g_free((void *)src->value);
 156         g_free(src);
 157 }
 158
 159 static GSList *device_scan(void)
 160 {
 161         struct sr_dev_driver **drivers, *driver;
 162         GHashTable *drvargs;
 163         GSList *drvopts, *devices, *tmpdevs, *l;
 164         int i;
 165         char *drvname;
 166
 167         if (opt_drv) {
 168                 drvargs = parse_generic_arg(opt_drv, TRUE);
 169                 drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));
 170                 g_hash_table_remove(drvargs, "sigrok_key");
 171                 driver = NULL;
 172                 drivers = sr_driver_list();
 173                 for (i = 0; drivers[i]; i++) {
 174                         if (strcmp(drivers[i]->name, drvname))
 175                                 continue;
 176                         driver = drivers[i];
 177                 }
 178                 if (!driver) {
 179                         g_critical("Driver %s not found.", drvname);
 180                         return NULL;
 181                 }
 182                 g_free(drvname);
 183                 if (sr_driver_init(sr_ctx, driver) != SR_OK) {
 184                         g_critical("Failed to initialize driver.");
 185                         return NULL;
 186                 }
 187                 drvopts = NULL;
 188                 if (g_hash_table_size(drvargs) > 0)
 189                         if (!(drvopts = hash_to_hwopt(drvargs)))
 190                                 /* Unknown options, already logged. */
 191                                 return NULL;
 192                 devices = sr_driver_scan(driver, drvopts);
 193                 g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
 194         } else {
 195                 /* No driver specified, let them all scan on their own. */
 196                 devices = NULL;
 197                 drivers = sr_driver_list();
 198                 for (i = 0; drivers[i]; i++) {
 199                         driver = drivers[i];
 200                         if (sr_driver_init(sr_ctx, driver) != SR_OK) {
 201                                 g_critical("Failed to initialize driver.");
 202                                 return NULL;
 203                         }
 204                         tmpdevs = sr_driver_scan(driver, NULL);
 205                         for (l = tmpdevs; l; l = l->next)
 206                                 devices = g_slist_append(devices, l->data);
 207                         g_slist_free(tmpdevs);
 208                 }
 209         }
 210
 211         return devices;
 212 }
 213
 214 static void show_version(void)
 215 {
 216         struct sr_dev_driver **drivers;
 217         struct sr_input_format **inputs;
 218         struct sr_output_format **outputs;
 219         int i;
 220 #ifdef HAVE_SRD
 221         struct srd_decoder *dec;
 222         const GSList *l;
 223 #endif
 224
 225         printf("sigrok-cli %s\n\n", VERSION);
 226
 227         printf("Using libsigrok %s (lib version %s).\n",
 228                sr_package_version_string_get(), sr_lib_version_string_get());
 229 #ifdef HAVE_SRD
 230         printf("Using libsigrokdecode %s (lib version %s).\n\n",
 231                srd_package_version_string_get(), srd_lib_version_string_get());
 232 #endif
 233
 234         printf("Supported hardware drivers:\n");
 235         drivers = sr_driver_list();
 236         for (i = 0; drivers[i]; i++) {
 237                 printf("  %-20s %s\n", drivers[i]->name, drivers[i]->longname);
 238         }
 239         printf("\n");
 240
 241         printf("Supported input formats:\n");
 242         inputs = sr_input_list();
 243         for (i = 0; inputs[i]; i++)
 244                 printf("  %-20s %s\n", inputs[i]->id, inputs[i]->description);
 245         printf("\n");
 246
 247         printf("Supported output formats:\n");
 248         outputs = sr_output_list();
 249         for (i = 0; outputs[i]; i++)
 250                 printf("  %-20s %s\n", outputs[i]->id, outputs[i]->description);
 251         printf("\n");
 252
 253 #ifdef HAVE_SRD
 254         if (srd_init(NULL) == SRD_OK) {
 255                 printf("Supported protocol decoders:\n");
 256                 srd_decoder_load_all();
 257                 for (l = srd_decoder_list(); l; l = l->next) {
 258                         dec = l->data;
 259                         printf("  %-20s %s\n", dec->id, dec->longname);
 260                         /* Print protocol description upon "-l 3" or higher. */
 261                         if (opt_loglevel >= SR_LOG_INFO)
 262                                 printf("  %-20s %s\n", "", dec->desc);
 263                 }
 264                 srd_exit();
 265         }
 266         printf("\n");
 267 #endif
 268 }
 269
 270 static void print_dev_line(const struct sr_dev_inst *sdi)
 271 {
 272         struct sr_probe *probe;
 273         GSList *l;
 274
 275         if (sdi->vendor && sdi->vendor[0])
 276                 printf("%s ", sdi->vendor);
 277         if (sdi->model && sdi->model[0])
 278                 printf("%s ", sdi->model);
 279         if (sdi->version && sdi->version[0])
 280                 printf("%s ", sdi->version);
 281         if (sdi->probes) {
 282                 if (g_slist_length(sdi->probes) == 1) {
 283                         probe = sdi->probes->data;
 284                         printf("with 1 probe: %s", probe->name);
 285                 } else {
 286                         printf("with %d probes:", g_slist_length(sdi->probes));
 287                         for (l = sdi->probes; l; l = l->next) {
 288                                 probe = l->data;
 289                                 printf(" %s", probe->name);
 290                         }
 291                 }
 292         }
 293         printf("\n");
 294 }
 295
 296 static void show_dev_list(void)
 297 {
 298         struct sr_dev_inst *sdi;
 299         GSList *devices, *l;
 300
 301         if (!(devices = device_scan()))
 302                 return;
 303
 304         printf("The following devices were found:\n");
 305         for (l = devices; l; l = l->next) {
 306                 sdi = l->data;
 307                 print_dev_line(sdi);
 308         }
 309         g_slist_free(devices);
 310
 311 }
 312
 313 static void show_dev_detail(void)
 314 {
 315         struct sr_dev_inst *sdi;
 316         const struct sr_config_info *srci;
 317         const struct sr_samplerates *samplerates;
 318         struct sr_rational *rationals;
 319         GSList *devices;
 320         uint64_t *integers;
 321         const int *hwopts, *hwcaps;
 322         int cap, num_devices, *tmp_bool, i;
 323         char *s, *title;
 324         const char *charopts, **stropts;
 325
 326         if (!(devices = device_scan())) {
 327                 g_critical("No devices found.");
 328                 return;
 329         }
 330
 331         num_devices = g_slist_length(devices);
 332         if (num_devices > 1) {
 333                 g_critical("%d devices found. Use --list-devices to show them, "
 334                                 "and --device to select one.", num_devices);
 335                 return;
 336         }
 337
 338         sdi = devices->data;
 339         print_dev_line(sdi);
 340
 341         /* This properly opens and initializes the device, so we can get
 342          * current settings. */
 343         sr_session_new();
 344         if (sr_session_dev_add(sdi) != SR_OK) {
 345                 g_critical("Failed to use device.");
 346                 return;
 347         }
 348
 349         if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_TYPE, (const void **)&charopts,
 350                         sdi) == SR_OK && charopts) {
 351                 printf("Supported triggers: ");
 352                 while (*charopts) {
 353                         printf("%c ", *charopts);
 354                         charopts++;
 355                 }
 356                 printf("\n");
 357         }
 358
 359         if ((sr_config_list(sdi->driver, SR_CONF_SCAN_OPTIONS, (const void **)&hwopts,
 360                         NULL) == SR_OK) && hwopts) {
 361                 printf("Supported driver options:\n");
 362                 for (i = 0; hwopts[i]; i++) {
 363                         if (!(srci = sr_config_info_get(hwopts[i])))
 364                                 continue;
 365                         printf("    %s\n", srci->id);
 366                 }
 367         }
 368
 369         title = "Supported device options:\n";
 370         if ((sr_config_list(sdi->driver, SR_CONF_DEVICE_OPTIONS, (const void **)&hwcaps,
 371                         NULL) != SR_OK) || !hwcaps)
 372                 /* Driver supports no device instance options. */
 373                 return;
 374
 375         for (cap = 0; hwcaps[cap]; cap++) {
 376                 if (!(srci = sr_config_info_get(hwcaps[cap])))
 377                         continue;
 378
 379                 if (title) {
 380                         printf("%s", title);
 381                         title = NULL;
 382                 }
 383
 384                 if (srci->key == SR_CONF_PATTERN_MODE) {
 385                         /* Pattern generator modes */
 386                         printf("    %s", srci->id);
 387                         if (sr_config_list(sdi->driver, SR_CONF_PATTERN_MODE,
 388                                         (const void **)&stropts, sdi) == SR_OK) {
 389                                 printf(" - supported patterns:\n");
 390                                 for (i = 0; stropts[i]; i++)
 391                                         printf("      %s\n", stropts[i]);
 392                         } else {
 393                                 printf("\n");
 394                         }
 395
 396                 } else if (srci->key == SR_CONF_SAMPLERATE) {
 397                         /* Supported samplerates */
 398                         printf("    %s", srci->id);
 399                         if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE,
 400                                         (const void **)&samplerates, sdi) != SR_OK) {
 401                                 printf("\n");
 402                                 continue;
 403                         }
 404                         if (samplerates->step) {
 405                                 /* low */
 406                                 if (!(s = sr_samplerate_string(samplerates->low)))
 407                                         continue;
 408                                 printf(" (%s", s);
 409                                 g_free(s);
 410                                 /* high */
 411                                 if (!(s = sr_samplerate_string(samplerates->high)))
 412                                         continue;
 413                                 printf(" - %s", s);
 414                                 g_free(s);
 415                                 /* step */
 416                                 if (!(s = sr_samplerate_string(samplerates->step)))
 417                                         continue;
 418                                 printf(" in steps of %s)\n", s);
 419                                 g_free(s);
 420                         } else {
 421                                 printf(" - supported samplerates:\n");
 422                                 for (i = 0; samplerates->list[i]; i++)
 423                                         printf("      %s\n", sr_samplerate_string(samplerates->list[i]));
 424                         }
 425
 426                 } else if (srci->key == SR_CONF_BUFFERSIZE) {
 427                         /* Supported buffer sizes */
 428                         printf("    %s", srci->id);
 429                         if (sr_config_list(sdi->driver, SR_CONF_BUFFERSIZE,
 430                                         (const void **)&integers, sdi) != SR_OK) {
 431                                 printf("\n");
 432                                 continue;
 433                         }
 434                         printf(" - supported buffer sizes:\n");
 435                         for (i = 0; integers[i]; i++)
 436                                 printf("      %"PRIu64"\n", integers[i]);
 437
 438                 } else if (srci->key == SR_CONF_TIMEBASE) {
 439                         /* Supported time bases */
 440                         printf("    %s", srci->id);
 441                         if (sr_config_list(sdi->driver, SR_CONF_TIMEBASE,
 442                                         (const void **)&rationals, sdi) != SR_OK) {
 443                                 printf("\n");
 444                                 continue;
 445                         }
 446                         printf(" - supported time bases:\n");
 447                         for (i = 0; rationals[i].p && rationals[i].q; i++)
 448                                 printf("      %s\n", sr_period_string(
 449                                                 rationals[i].p * rationals[i].q));
 450
 451                 } else if (srci->key == SR_CONF_TRIGGER_SOURCE) {
 452                         /* Supported trigger sources */
 453                         printf("    %s", srci->id);
 454                         if (sr_config_list(sdi->driver, SR_CONF_TRIGGER_SOURCE,
 455                                         (const void **)&stropts, sdi) != SR_OK) {
 456                                 printf("\n");
 457                                 continue;
 458                         }
 459                         printf(" - supported trigger sources:\n");
 460                         for (i = 0; stropts[i]; i++)
 461                                 printf("      %s\n", stropts[i]);
 462
 463                 } else if (srci->key == SR_CONF_FILTER) {
 464                         /* Supported filters */
 465                         printf("    %s", srci->id);
 466                         if (sr_config_list(sdi->driver, SR_CONF_FILTER,
 467                                         (const void **)&stropts, sdi) != SR_OK) {
 468                                 printf("\n");
 469                                 continue;
 470                         }
 471                         printf(" - supported filter targets:\n");
 472                         for (i = 0; stropts[i]; i++)
 473                                 printf("      %s\n", stropts[i]);
 474
 475                 } else if (srci->key == SR_CONF_VDIV) {
 476                         /* Supported volts/div values */
 477                         printf("    %s", srci->id);
 478                         if (sr_config_list(sdi->driver, SR_CONF_VDIV,
 479                                         (const void **)&rationals, sdi) != SR_OK) {
 480                                 printf("\n");
 481                                 continue;
 482                         }
 483                         printf(" - supported volts/div:\n");
 484                         for (i = 0; rationals[i].p && rationals[i].q; i++)
 485                                 printf("      %s\n", sr_voltage_string( &rationals[i]));
 486
 487                 } else if (srci->key == SR_CONF_COUPLING) {
 488                         /* Supported coupling settings */
 489                         printf("    %s", srci->id);
 490                         if (sr_config_list(sdi->driver, SR_CONF_COUPLING,
 491                                         (const void **)&stropts, sdi) != SR_OK) {
 492                                 printf("\n");
 493                                 continue;
 494                         }
 495                         printf(" - supported coupling options:\n");
 496                         for (i = 0; stropts[i]; i++)
 497                                 printf("      %s\n", stropts[i]);
 498
 499                 } else if (srci->key == SR_CONF_DATALOG) {
 500                         /* Turning on/off internal data logging. */
 501                         printf("    %s\t(on/off", srci->id);
 502                         if (sr_config_get(sdi->driver, SR_CONF_DATALOG,
 503                                                 (const void **)&tmp_bool, sdi) == SR_OK) {
 504                                 printf(", currently %s", *tmp_bool ? "on" : "off");
 505                         }
 506                         printf(")\n");
 507                 } else {
 508                         /* Everything else */
 509                         printf("    %s\n", srci->id);
 510                 }
 511         }
 512
 513         sr_session_destroy();
 514
 515 }
 516
 517 #ifdef HAVE_SRD
 518 static void show_pd_detail(void)
 519 {
 520         GSList *l;
 521         struct srd_decoder *dec;
 522         char **pdtokens, **pdtok, **ann, *doc;
 523         struct srd_probe *p;
 524
 525         pdtokens = g_strsplit(opt_pds, ",", -1);
 526         for (pdtok = pdtokens; *pdtok; pdtok++) {
 527                 if (!(dec = srd_decoder_get_by_id(*pdtok))) {
 528                         g_critical("Protocol decoder %s not found.", *pdtok);
 529                         return;
 530                 }
 531                 printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
 532                                 dec->id, dec->name, dec->longname, dec->desc);
 533                 printf("License: %s\n", dec->license);
 534                 printf("Annotations:\n");
 535                 if (dec->annotations) {
 536                         for (l = dec->annotations; l; l = l->next) {
 537                                 ann = l->data;
 538                                 printf("- %s\n  %s\n", ann[0], ann[1]);
 539                         }
 540                 } else {
 541                         printf("None.\n");
 542                 }
 543                 /* TODO: Print supported decoder options. */
 544                 printf("Required probes:\n");
 545                 if (dec->probes) {
 546                         for (l = dec->probes; l; l = l->next) {
 547                                 p = l->data;
 548                                 printf("- %s (%s): %s\n",
 549                                        p->name, p->id, p->desc);
 550                         }
 551                 } else {
 552                         printf("None.\n");
 553                 }
 554                 printf("Optional probes:\n");
 555                 if (dec->opt_probes) {
 556                         for (l = dec->opt_probes; l; l = l->next) {
 557                                 p = l->data;
 558                                 printf("- %s (%s): %s\n",
 559                                        p->name, p->id, p->desc);
 560                         }
 561                 } else {
 562                         printf("None.\n");
 563                 }
 564                 if ((doc = srd_decoder_doc_get(dec))) {
 565                         printf("Documentation:\n%s\n",
 566                                doc[0] == '\n' ? doc + 1 : doc);
 567                         g_free(doc);
 568                 }
 569         }
 570
 571         g_strfreev(pdtokens);
 572 }
 573 #endif
 574
 575 static GArray *get_enabled_logic_probes(const struct sr_dev_inst *sdi)
 576 {
 577         struct sr_probe *probe;
 578         GArray *probes;
 579         GSList *l;
 580
 581         probes = g_array_new(FALSE, FALSE, sizeof(int));
 582         for (l = sdi->probes; l; l = l->next) {
 583                 probe = l->data;
 584                 if (probe->type != SR_PROBE_LOGIC)
 585                         continue;
 586                 if (probe->enabled != TRUE)
 587                         continue;
 588                 g_array_append_val(probes, probe->index);
 589         }
 590
 591         return probes;
 592 }
 593
 594 static void datafeed_in(const struct sr_dev_inst *sdi,
 595                 const struct sr_datafeed_packet *packet)
 596 {
 597         const struct sr_datafeed_meta *meta;
 598         const struct sr_datafeed_logic *logic;
 599         const struct sr_datafeed_analog *analog;
 600         struct sr_config *src;
 601         static struct sr_output *o = NULL;
 602         static GArray *logic_probelist = NULL;
 603         static uint64_t received_samples = 0;
 604         static int unitsize = 0;
 605         static int triggered = 0;
 606         static FILE *outfile = NULL;
 607         int sample_size, ret;
 608         uint64_t *samplerate, output_len, filter_out_len;
 609         uint8_t *output_buf, *filter_out;
 610         GString *out;
 611         GSList *l;
 612
 613         /* If the first packet to come in isn't a header, don't even try. */
 614         if (packet->type != SR_DF_HEADER && o == NULL)
 615                 return;
 616
 617         sample_size = -1;
 618         switch (packet->type) {
 619         case SR_DF_HEADER:
 620                 g_debug("cli: Received SR_DF_HEADER");
 621                 /* Initialize the output module. */
 622                 if (!(o = g_try_malloc(sizeof(struct sr_output)))) {
 623                         g_critical("Output module malloc failed.");
 624                         exit(1);
 625                 }
 626                 o->format = output_format;
 627                 o->sdi = (struct sr_dev_inst *)sdi;
 628                 o->param = output_format_param;
 629                 if (o->format->init) {
 630                         if (o->format->init(o) != SR_OK) {
 631                                 g_critical("Output format initialization failed.");
 632                                 exit(1);
 633                         }
 634                 }
 635
 636                 /* Prepare non-stdout output. */
 637                 outfile = stdout;
 638                 if (opt_output_file) {
 639                         if (default_output_format) {
 640                                 /* output file is in session format, so we'll
 641                                  * keep a copy of everything as it comes in
 642                                  * and save from there after the session. */
 643                                 outfile = NULL;
 644                                 savebuf = g_byte_array_new();
 645                         } else {
 646                                 /* saving to a file in whatever format was set
 647                                  * with --format, so all we need is a filehandle */
 648                                 outfile = g_fopen(opt_output_file, "wb");
 649                         }
 650                 }
 651
 652                 /* Prepare for logic data. */
 653                 logic_probelist = get_enabled_logic_probes(sdi);
 654                 /* How many bytes we need to store the packed samples. */
 655                 unitsize = (logic_probelist->len + 7) / 8;
 656
 657 #ifdef HAVE_SRD
 658                 if (opt_pds && logic_probelist->len) {
 659                         if (sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
 660                                         (const void **)&samplerate, sdi) != SR_OK) {
 661                                 g_critical("Unable to initialize protocol "
 662                                                 "decoders: no samplerate found.");
 663                                 break;
 664                         }
 665                         srd_session_start(logic_probelist->len, unitsize,
 666                                         *samplerate);
 667                 }
 668 #endif
 669                 break;
 670
 671         case SR_DF_META:
 672                 g_debug("cli: received SR_DF_META");
 673                 meta = packet->payload;
 674                 for (l = meta->config; l; l = l->next) {
 675                         src = l->data;
 676                         switch (src->key) {
 677                         case SR_CONF_SAMPLERATE:
 678                                 samplerate = (uint64_t *)src->value;
 679                                 g_debug("cli: got samplerate %"PRIu64, *samplerate);
 680                                 break;
 681                         default:
 682                                 /* Unknown metadata is not an error. */
 683                                 break;
 684                         }
 685                 }
 686                 break;
 687
 688         case SR_DF_TRIGGER:
 689                 g_debug("cli: received SR_DF_TRIGGER");
 690                 if (o->format->event)
 691                         o->format->event(o, SR_DF_TRIGGER, &output_buf,
 692                                          &output_len);
 693                 triggered = 1;
 694                 break;
 695
 696         case SR_DF_LOGIC:
 697                 logic = packet->payload;
 698                 g_message("cli: received SR_DF_LOGIC, %"PRIu64" bytes", logic->length);
 699                 sample_size = logic->unitsize;
 700                 if (logic->length == 0)
 701                         break;
 702
 703                 /* Don't store any samples until triggered. */
 704                 if (opt_wait_trigger && !triggered)
 705                         break;
 706
 707                 if (limit_samples && received_samples >= limit_samples)
 708                         break;
 709
 710                 ret = sr_filter_probes(sample_size, unitsize, logic_probelist,
 711                                 logic->data, logic->length,
 712                                 &filter_out, &filter_out_len);
 713                 if (ret != SR_OK)
 714                         break;
 715
 716                 /* What comes out of the filter is guaranteed to be packed into the
 717                  * minimum size needed to support the number of samples at this sample
 718                  * size. however, the driver may have submitted too much -- cut off
 719                  * the buffer of the last packet according to the sample limit.
 720                  */
 721                 if (limit_samples && (received_samples + logic->length / sample_size >
 722                                 limit_samples * sample_size))
 723                         filter_out_len = limit_samples * sample_size - received_samples;
 724
 725                 if (opt_output_file && default_output_format) {
 726                         /* Saving to a session file. */
 727                         g_byte_array_append(savebuf, filter_out, filter_out_len);
 728                 } else {
 729                         if (opt_pds) {
 730 #ifdef HAVE_SRD
 731                                 if (srd_session_send(received_samples, (uint8_t*)filter_out,
 732                                                 filter_out_len) != SRD_OK)
 733                                         sr_session_stop();
 734 #endif
 735                         } else {
 736                                 output_len = 0;
 737                                 if (o->format->data && packet->type == o->format->df_type)
 738                                         o->format->data(o, filter_out, filter_out_len,
 739                                                         &output_buf, &output_len);
 740                                 if (output_len) {
 741                                         fwrite(output_buf, 1, output_len, outfile);
 742                                         fflush(outfile);
 743                                         g_free(output_buf);
 744                                 }
 745                         }
 746                 }
 747                 g_free(filter_out);
 748
 749                 received_samples += logic->length / sample_size;
 750                 break;
 751
 752         case SR_DF_ANALOG:
 753                 analog = packet->payload;
 754                 g_message("cli: received SR_DF_ANALOG, %d samples", analog->num_samples);
 755                 if (analog->num_samples == 0)
 756                         break;
 757
 758                 if (limit_samples && received_samples >= limit_samples)
 759                         break;
 760
 761                 if (o->format->data && packet->type == o->format->df_type) {
 762                         o->format->data(o, (const uint8_t *)analog->data,
 763                                         analog->num_samples * sizeof(float),
 764                                         &output_buf, &output_len);
 765                         if (output_buf) {
 766                                 fwrite(output_buf, 1, output_len, outfile);
 767                                 fflush(outfile);
 768                                 g_free(output_buf);
 769                         }
 770                 }
 771
 772                 received_samples += analog->num_samples;
 773                 break;
 774
 775         case SR_DF_FRAME_BEGIN:
 776                 g_debug("cli: received SR_DF_FRAME_BEGIN");
 777                 if (o->format->event) {
 778                         o->format->event(o, SR_DF_FRAME_BEGIN, &output_buf,
 779                                          &output_len);
 780                         if (output_buf) {
 781                                 fwrite(output_buf, 1, output_len, outfile);
 782                                 fflush(outfile);
 783                                 g_free(output_buf);
 784                         }
 785                 }
 786                 break;
 787
 788         case SR_DF_FRAME_END:
 789                 g_debug("cli: received SR_DF_FRAME_END");
 790                 if (o->format->event) {
 791                         o->format->event(o, SR_DF_FRAME_END, &output_buf,
 792                                          &output_len);
 793                         if (output_buf) {
 794                                 fwrite(output_buf, 1, output_len, outfile);
 795                                 fflush(outfile);
 796                                 g_free(output_buf);
 797                         }
 798                 }
 799                 break;
 800
 801         default:
 802                 break;
 803         }
 804
 805         if (o && o->format->recv) {
 806                 out = o->format->recv(o, sdi, packet);
 807                 if (out && out->len) {
 808                         fwrite(out->str, 1, out->len, outfile);
 809                         fflush(outfile);
 810                 }
 811         }
 812
 813         /* SR_DF_END needs to be handled after the output module's recv()
 814          * is called, so it can properly clean up that module etc. */
 815         if (packet->type == SR_DF_END) {
 816                 g_debug("cli: Received SR_DF_END");
 817
 818                 if (o->format->event) {
 819                         o->format->event(o, SR_DF_END, &output_buf, &output_len);
 820                         if (output_buf) {
 821                                 if (outfile)
 822                                         fwrite(output_buf, 1, output_len, outfile);
 823                                 g_free(output_buf);
 824                                 output_len = 0;
 825                         }
 826                 }
 827
 828                 if (limit_samples && received_samples < limit_samples)
 829                         g_warning("Device only sent %" PRIu64 " samples.",
 830                                received_samples);
 831
 832                 if (opt_continuous)
 833                         g_warning("Device stopped after %" PRIu64 " samples.",
 834                                received_samples);
 835
 836                 g_array_free(logic_probelist, TRUE);
 837
 838                 if (o->format->cleanup)
 839                         o->format->cleanup(o);
 840                 g_free(o);
 841                 o = NULL;
 842
 843                 if (outfile && outfile != stdout)
 844                         fclose(outfile);
 845
 846                 if (opt_output_file && default_output_format) {
 847                         if (sr_session_save(opt_output_file, sdi, savebuf->data,
 848                                         unitsize, savebuf->len / unitsize) != SR_OK)
 849                                 g_critical("Failed to save session.");
 850                         g_byte_array_free(savebuf, FALSE);
 851                 }
 852         }
 853
 854 }
 855
 856 #ifdef HAVE_SRD
 857 /* Register the given PDs for this session.
 858  * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
 859  * That will instantiate two SPI decoders on the clock but different data
 860  * lines.
 861  */
 862 static int register_pds(struct sr_dev *dev, const char *pdstring)
 863 {
 864         GHashTable *pd_opthash;
 865         struct srd_decoder_inst *di;
 866         int ret;
 867         char **pdtokens, **pdtok, *pd_name;
 868
 869         (void)dev;
 870
 871         ret = 0;
 872         pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
 873                         g_free, NULL);
 874         pd_name = NULL;
 875         pd_opthash = NULL;
 876         pdtokens = g_strsplit(pdstring, ",", 0);
 877         for (pdtok = pdtokens; *pdtok; pdtok++) {
 878                 if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
 879                         g_critical("Invalid protocol decoder option '%s'.", *pdtok);
 880                         goto err_out;
 881                 }
 882
 883                 pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
 884                 g_hash_table_remove(pd_opthash, "sigrok_key");
 885                 if (srd_decoder_load(pd_name) != SRD_OK) {
 886                         g_critical("Failed to load protocol decoder %s.", pd_name);
 887                         ret = 1;
 888                         goto err_out;
 889                 }
 890                 if (!(di = srd_inst_new(pd_name, pd_opthash))) {
 891                         g_critical("Failed to instantiate protocol decoder %s.", pd_name);
 892                         ret = 1;
 893                         goto err_out;
 894                 }
 895
 896                 /* If no annotation list was specified, add them all in now.
 897                  * This will be pared down later to leave only the last PD
 898                  * in the stack.
 899                  */
 900                 if (!opt_pd_annotations)
 901                         g_hash_table_insert(pd_ann_visible,
 902                                             g_strdup(di->inst_id), NULL);
 903
 904                 /* Any keys left in the options hash are probes, where the key
 905                  * is the probe name as specified in the decoder class, and the
 906                  * value is the probe number i.e. the order in which the PD's
 907                  * incoming samples are arranged. */
 908                 if (srd_inst_probe_set_all(di, pd_opthash) != SRD_OK) {
 909                         ret = 1;
 910                         goto err_out;
 911                 }
 912                 g_hash_table_destroy(pd_opthash);
 913                 pd_opthash = NULL;
 914         }
 915
 916 err_out:
 917         g_strfreev(pdtokens);
 918         if (pd_opthash)
 919                 g_hash_table_destroy(pd_opthash);
 920         if (pd_name)
 921                 g_free(pd_name);
 922
 923         return ret;
 924 }
 925
 926 int setup_pd_stack(void)
 927 {
 928         struct srd_decoder_inst *di_from, *di_to;
 929         int ret, i;
 930         char **pds, **ids;
 931
 932         /* Set up the protocol decoder stack. */
 933         pds = g_strsplit(opt_pds, ",", 0);
 934         if (g_strv_length(pds) > 1) {
 935                 if (opt_pd_stack) {
 936                         /* A stack setup was specified, use that. */
 937                         g_strfreev(pds);
 938                         pds = g_strsplit(opt_pd_stack, ",", 0);
 939                         if (g_strv_length(pds) < 2) {
 940                                 g_strfreev(pds);
 941                                 g_critical("Specify at least two protocol decoders to stack.");
 942                                 return 1;
 943                         }
 944                 }
 945
 946                 /* First PD goes at the bottom of the stack. */
 947                 ids = g_strsplit(pds[0], ":", 0);
 948                 if (!(di_from = srd_inst_find_by_id(ids[0]))) {
 949                         g_strfreev(ids);
 950                         g_critical("Cannot stack protocol decoder '%s': "
 951                                         "instance not found.", pds[0]);
 952                         return 1;
 953                 }
 954                 g_strfreev(ids);
 955
 956                 /* Every subsequent PD goes on top. */
 957                 for (i = 1; pds[i]; i++) {
 958                         ids = g_strsplit(pds[i], ":", 0);
 959                         if (!(di_to = srd_inst_find_by_id(ids[0]))) {
 960                                 g_strfreev(ids);
 961                                 g_critical("Cannot stack protocol decoder '%s': "
 962                                                 "instance not found.", pds[i]);
 963                                 return 1;
 964                         }
 965                         g_strfreev(ids);
 966                         if ((ret = srd_inst_stack(di_from, di_to)) != SRD_OK)
 967                                 return 1;
 968
 969                         /* Don't show annotation from this PD. Only the last PD in
 970                          * the stack will be left on the annotation list (unless
 971                          * the annotation list was specifically provided).
 972                          */
 973                         if (!opt_pd_annotations)
 974                                 g_hash_table_remove(pd_ann_visible,
 975                                                     di_from->inst_id);
 976
 977                         di_from = di_to;
 978                 }
 979         }
 980         g_strfreev(pds);
 981
 982         return 0;
 983 }
 984
 985 int setup_pd_annotations(void)
 986 {
 987         GSList *l;
 988         struct srd_decoder *dec;
 989         int ann;
 990         char **pds, **pdtok, **keyval, **ann_descr;
 991
 992         /* Set up custom list of PDs and annotations to show. */
 993         if (opt_pd_annotations) {
 994                 pds = g_strsplit(opt_pd_annotations, ",", 0);
 995                 for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
 996                         ann = 0;
 997                         keyval = g_strsplit(*pdtok, "=", 0);
 998                         if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
 999                                 g_critical("Protocol decoder '%s' not found.", keyval[0]);
1000                                 return 1;
1001                         }
1002                         if (!dec->annotations) {
1003                                 g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
1004                                 return 1;
1005                         }
1006                         if (g_strv_length(keyval) == 2) {
1007                                 for (l = dec->annotations; l; l = l->next, ann++) {
1008                                         ann_descr = l->data;
1009                                         if (!canon_cmp(ann_descr[0], keyval[1]))
1010                                                 /* Found it. */
1011                                                 break;
1012                                 }
1013                                 if (!l) {
1014                                         g_critical("Annotation '%s' not found "
1015                                                         "for protocol decoder '%s'.", keyval[1], keyval[0]);
1016                                         return 1;
1017                                 }
1018                         }
1019                         g_debug("cli: showing protocol decoder annotation %d from '%s'", ann, keyval[0]);
1020                         g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann));
1021                         g_strfreev(keyval);
1022                 }
1023                 g_strfreev(pds);
1024         }
1025
1026         return 0;
1027 }
1028
1029 void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
1030 {
1031         int i;
1032         char **annotations;
1033         gpointer ann_format;
1034
1035         /* 'cb_data' is not used in this specific callback. */
1036         (void)cb_data;
1037
1038         if (!pd_ann_visible)
1039                 return;
1040
1041         if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
1042                         NULL, &ann_format))
1043                 /* Not in the list of PDs whose annotations we're showing. */
1044                 return;
1045
1046         if (pdata->ann_format != GPOINTER_TO_INT(ann_format))
1047                 /* We don't want this particular format from the PD. */
1048                 return;
1049
1050         annotations = pdata->data;
1051         if (opt_loglevel > SR_LOG_WARN)
1052                 printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
1053         printf("%s: ", pdata->pdo->proto_id);
1054         for (i = 0; annotations[i]; i++)
1055                 printf("\"%s\" ", annotations[i]);
1056         printf("\n");
1057         fflush(stdout);
1058 }
1059 #endif
1060
1061 int setup_output_format(void)
1062 {
1063         GHashTable *fmtargs;
1064         GHashTableIter iter;
1065         gpointer key, value;
1066         struct sr_output_format **outputs;
1067         int i;
1068         char *fmtspec;
1069
1070         if (!opt_output_format) {
1071                 opt_output_format = DEFAULT_OUTPUT_FORMAT;
1072                 /* we'll need to remember this so when saving to a file
1073                  * later, sigrok session format will be used.
1074                  */
1075                 default_output_format = TRUE;
1076         }
1077
1078         fmtargs = parse_generic_arg(opt_output_format, TRUE);
1079         fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
1080         if (!fmtspec) {
1081                 g_critical("Invalid output format.");
1082                 return 1;
1083         }
1084         outputs = sr_output_list();
1085         for (i = 0; outputs[i]; i++) {
1086                 if (strcmp(outputs[i]->id, fmtspec))
1087                         continue;
1088                 g_hash_table_remove(fmtargs, "sigrok_key");
1089                 output_format = outputs[i];
1090                 g_hash_table_iter_init(&iter, fmtargs);
1091                 while (g_hash_table_iter_next(&iter, &key, &value)) {
1092                         /* only supporting one parameter per output module
1093                          * for now, and only its value */
1094                         output_format_param = g_strdup(value);
1095                         break;
1096                 }
1097                 break;
1098         }
1099         if (!output_format) {
1100                 g_critical("Invalid output format %s.", opt_output_format);
1101                 return 1;
1102         }
1103         g_hash_table_destroy(fmtargs);
1104
1105         return 0;
1106 }
1107
1108 static int select_probes(struct sr_dev_inst *sdi)
1109 {
1110         struct sr_probe *probe;
1111         GSList *selected_probes, *l;
1112
1113         if (!opt_probes)
1114                 return SR_OK;
1115
1116         if (!(selected_probes = parse_probestring(sdi, opt_probes)))
1117                 return SR_ERR;
1118
1119         for (l = sdi->probes; l; l = l->next) {
1120                 probe = l->data;
1121                 if (g_slist_find(selected_probes, probe))
1122                         probe->enabled = TRUE;
1123                 else
1124                         probe->enabled = FALSE;
1125         }
1126         g_slist_free(selected_probes);
1127
1128         return SR_OK;
1129 }
1130
1131 /**
1132  * Return the input file format which the CLI tool should use.
1133  *
1134  * If the user specified -I / --input-format, use that one. Otherwise, try to
1135  * autodetect the format as good as possible. Failing that, return NULL.
1136  *
1137  * @param filename The filename of the input file. Must not be NULL.
1138  * @param opt The -I / --input-file option the user specified (or NULL).
1139  *
1140  * @return A pointer to the 'struct sr_input_format' that should be used,
1141  *         or NULL if no input format was selected or auto-detected.
1142  */
1143 static struct sr_input_format *determine_input_file_format(
1144                         const char *filename, const char *opt)
1145 {
1146         int i;
1147         struct sr_input_format **inputs;
1148
1149         /* If there are no input formats, return NULL right away. */
1150         inputs = sr_input_list();
1151         if (!inputs) {
1152                 g_critical("No supported input formats available.");
1153                 return NULL;
1154         }
1155
1156         /* If the user specified -I / --input-format, use that one. */
1157         if (opt) {
1158                 for (i = 0; inputs[i]; i++) {
1159                         if (strcasecmp(inputs[i]->id, opt))
1160                                 continue;
1161                         g_debug("Using user-specified input file format '%s'.",
1162                                         inputs[i]->id);
1163                         return inputs[i];
1164                 }
1165
1166                 /* The user specified an unknown input format, return NULL. */
1167                 g_critical("Error: specified input file format '%s' is "
1168                         "unknown.", opt);
1169                 return NULL;
1170         }
1171
1172         /* Otherwise, try to find an input module that can handle this file. */
1173         for (i = 0; inputs[i]; i++) {
1174                 if (inputs[i]->format_match(filename))
1175                         break;
1176         }
1177
1178         /* Return NULL if no input module wanted to touch this. */
1179         if (!inputs[i]) {
1180                 g_critical("Error: no matching input module found.");
1181                 return NULL;
1182         }
1183
1184         g_debug("cli: Autodetected '%s' input format for file '%s'.",
1185                 inputs[i]->id, filename);
1186
1187         return inputs[i];
1188 }
1189
1190 static void load_input_file_format(void)
1191 {
1192         GHashTable *fmtargs = NULL;
1193         struct stat st;
1194         struct sr_input *in;
1195         struct sr_input_format *input_format;
1196         char *fmtspec = NULL;
1197
1198         if (opt_input_format) {
1199                 fmtargs = parse_generic_arg(opt_input_format, TRUE);
1200                 fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
1201         }
1202
1203         if (!(input_format = determine_input_file_format(opt_input_file,
1204                                                    fmtspec))) {
1205                 /* The exact cause was already logged. */
1206                 return;
1207         }
1208
1209         if (fmtargs)
1210                 g_hash_table_remove(fmtargs, "sigrok_key");
1211
1212         if (stat(opt_input_file, &st) == -1) {
1213                 g_critical("Failed to load %s: %s", opt_input_file,
1214                         strerror(errno));
1215                 exit(1);
1216         }
1217
1218         /* Initialize the input module. */
1219         if (!(in = g_try_malloc(sizeof(struct sr_input)))) {
1220                 g_critical("Failed to allocate input module.");
1221                 exit(1);
1222         }
1223         in->format = input_format;
1224         in->param = fmtargs;
1225         if (in->format->init) {
1226                 if (in->format->init(in, opt_input_file) != SR_OK) {
1227                         g_critical("Input format init failed.");
1228                         exit(1);
1229                 }
1230         }
1231
1232         if (select_probes(in->sdi) > 0)
1233                 return;
1234
1235         sr_session_new();
1236         sr_session_datafeed_callback_add(datafeed_in);
1237         if (sr_session_dev_add(in->sdi) != SR_OK) {
1238                 g_critical("Failed to use device.");
1239                 sr_session_destroy();
1240                 return;
1241         }
1242
1243         input_format->loadfile(in, opt_input_file);
1244
1245         sr_session_destroy();
1246
1247         if (fmtargs)
1248                 g_hash_table_destroy(fmtargs);
1249 }
1250
1251 static void load_input_file(void)
1252 {
1253
1254         if (sr_session_load(opt_input_file) == SR_OK) {
1255                 /* sigrok session file */
1256                 sr_session_datafeed_callback_add(datafeed_in);
1257                 sr_session_start();
1258                 sr_session_run();
1259                 sr_session_stop();
1260         }
1261         else {
1262                 /* fall back on input modules */
1263                 load_input_file_format();
1264         }
1265 }
1266
1267 static int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args)
1268 {
1269         const struct sr_config_info *srci;
1270         GHashTableIter iter;
1271         gpointer key, value;
1272         int ret;
1273         float tmp_float;
1274         uint64_t tmp_u64;
1275         struct sr_rational tmp_rat;
1276         gboolean tmp_bool;
1277         void *val;
1278
1279         g_hash_table_iter_init(&iter, args);
1280         while (g_hash_table_iter_next(&iter, &key, &value)) {
1281                 if (!(srci = sr_config_info_name_get(key))) {
1282                         g_critical("Unknown device option '%s'.", (char *) key);
1283                         return SR_ERR;
1284                 }
1285
1286                 if ((value == NULL) &&
1287                         (srci->datatype != SR_T_BOOL)) {
1288                         g_critical("Option '%s' needs a value.", (char *)key);
1289                         return SR_ERR;
1290                 }
1291                 val = NULL;
1292                 switch (srci->datatype) {
1293                 case SR_T_UINT64:
1294                         ret = sr_parse_sizestring(value, &tmp_u64);
1295                         if (ret != SR_OK)
1296                                 break;
1297                         val = &tmp_u64;
1298                         break;
1299                 case SR_T_CHAR:
1300                         val = value;
1301                         break;
1302                 case SR_T_BOOL:
1303                         if (!value)
1304                                 tmp_bool = TRUE;
1305                         else
1306                                 tmp_bool = sr_parse_boolstring(value);
1307                         val = &tmp_bool;
1308                         break;
1309                 case SR_T_FLOAT:
1310                         tmp_float = strtof(value, NULL);
1311                         val = &tmp_float;
1312                         break;
1313                 case SR_T_RATIONAL_PERIOD:
1314                         if ((ret = sr_parse_period(value, &tmp_rat)) != SR_OK)
1315                                 break;
1316                         val = &tmp_rat;
1317                         break;
1318                 case SR_T_RATIONAL_VOLT:
1319                         if ((ret = sr_parse_voltage(value, &tmp_rat)) != SR_OK)
1320                                 break;
1321                         val = &tmp_rat;
1322                         break;
1323                 default:
1324                         ret = SR_ERR;
1325                 }
1326                 if (val)
1327                         ret = sr_config_set(sdi, srci->key, val);
1328                 if (ret != SR_OK) {
1329                         g_critical("Failed to set device option '%s'.", (char *)key);
1330                         return ret;
1331                 }
1332         }
1333
1334         return SR_OK;
1335 }
1336
1337 static void set_options(void)
1338 {
1339         struct sr_dev_inst *sdi;
1340         GSList *devices;
1341         GHashTable *devargs;
1342
1343         if (!opt_dev) {
1344                 g_critical("No setting specified.");
1345                 return;
1346         }
1347
1348         if (!(devargs = parse_generic_arg(opt_dev, FALSE)))
1349                 return;
1350
1351         if (!(devices = device_scan())) {
1352                 g_critical("No devices found.");
1353                 return;
1354         }
1355         sdi = devices->data;
1356
1357         sr_session_new();
1358         if (sr_session_dev_add(sdi) != SR_OK) {
1359                 g_critical("Failed to use device.");
1360                 return;
1361         }
1362
1363         set_dev_options(sdi, devargs);
1364
1365         sr_session_destroy();
1366         g_slist_free(devices);
1367         g_hash_table_destroy(devargs);
1368
1369 }
1370
1371 static int set_limit_time(const struct sr_dev_inst *sdi)
1372 {
1373         uint64_t time_msec;
1374         uint64_t *samplerate;
1375
1376         time_msec = sr_parse_timestring(opt_time);
1377         if (time_msec == 0) {
1378                 g_critical("Invalid time '%s'", opt_time);
1379                 sr_session_destroy();
1380                 return SR_ERR;
1381         }
1382
1383         if (sr_dev_has_option(sdi, SR_CONF_LIMIT_MSEC)) {
1384                 if (sr_config_set(sdi, SR_CONF_LIMIT_MSEC, &time_msec) != SR_OK) {
1385                         g_critical("Failed to configure time limit.");
1386                         sr_session_destroy();
1387                         return SR_ERR;
1388                 }
1389         }
1390         else {
1391                 /* time limit set, but device doesn't support this...
1392                  * convert to samples based on the samplerate.
1393                  */
1394                 limit_samples = 0;
1395                 if (sr_dev_has_option(sdi, SR_CONF_SAMPLERATE)) {
1396                         sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
1397                                         (const void **)&samplerate, sdi);
1398                         limit_samples = (*samplerate) * time_msec / (uint64_t)1000;
1399                 }
1400                 if (limit_samples == 0) {
1401                         g_critical("Not enough time at this samplerate.");
1402                         sr_session_destroy();
1403                         return SR_ERR;
1404                 }
1405
1406                 if (sr_config_set(sdi, SR_CONF_LIMIT_SAMPLES,
1407                                         &limit_samples) != SR_OK) {
1408                         g_critical("Failed to configure time-based sample limit.");
1409                         sr_session_destroy();
1410                         return SR_ERR;
1411                 }
1412         }
1413
1414         return SR_OK;
1415 }
1416
1417 static void run_session(void)
1418 {
1419         GSList *devices;
1420         GHashTable *devargs;
1421         struct sr_dev_inst *sdi;
1422         int max_probes, i;
1423         char **triggerlist;
1424
1425         devices = device_scan();
1426         if (!devices) {
1427                 g_critical("No devices found.");
1428                 return;
1429         }
1430         if (g_slist_length(devices) > 1) {
1431                 g_critical("sigrok-cli only supports one device for capturing.");
1432                 return;
1433         }
1434         sdi = devices->data;
1435
1436         sr_session_new();
1437         sr_session_datafeed_callback_add(datafeed_in);
1438
1439         if (sr_session_dev_add(sdi) != SR_OK) {
1440                 g_critical("Failed to use device.");
1441                 sr_session_destroy();
1442                 return;
1443         }
1444
1445         if (opt_dev) {
1446                 if ((devargs = parse_generic_arg(opt_dev, FALSE))) {
1447                         if (set_dev_options(sdi, devargs) != SR_OK)
1448                                 return;
1449                         g_hash_table_destroy(devargs);
1450                 }
1451         }
1452
1453         if (select_probes(sdi) != SR_OK) {
1454                 g_critical("Failed to set probes.");
1455                 sr_session_destroy();
1456                 return;
1457         }
1458
1459         if (opt_triggers) {
1460                 if (!(triggerlist = sr_parse_triggerstring(sdi, opt_triggers))) {
1461                         sr_session_destroy();
1462                         return;
1463                 }
1464                 max_probes = g_slist_length(sdi->probes);
1465                 for (i = 0; i < max_probes; i++) {
1466                         if (triggerlist[i]) {
1467                                 sr_dev_trigger_set(sdi, i, triggerlist[i]);
1468                                 g_free(triggerlist[i]);
1469                         }
1470                 }
1471                 g_free(triggerlist);
1472         }
1473
1474         if (opt_continuous) {
1475                 if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
1476                         g_critical("This device does not support continuous sampling.");
1477                         sr_session_destroy();
1478                         return;
1479                 }
1480         }
1481
1482         if (opt_time) {
1483                 if (set_limit_time(sdi) != SR_OK) {
1484                         sr_session_destroy();
1485                         return;
1486                 }
1487         }
1488
1489         if (opt_samples) {
1490                 if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
1491                                 || (sr_config_set(sdi, SR_CONF_LIMIT_SAMPLES,
1492                                                 &limit_samples) != SR_OK)) {
1493                         g_critical("Failed to configure sample limit.");
1494                         sr_session_destroy();
1495                         return;
1496                 }
1497         }
1498
1499         if (opt_frames) {
1500                 if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)
1501                                 || (sr_config_set(sdi, SR_CONF_LIMIT_FRAMES,
1502                                                 &limit_frames) != SR_OK)) {
1503                         g_critical("Failed to configure frame limit.");
1504                         sr_session_destroy();
1505                         return;
1506                 }
1507         }
1508
1509         if (sr_session_start() != SR_OK) {
1510                 g_critical("Failed to start session.");
1511                 sr_session_destroy();
1512                 return;
1513         }
1514
1515         if (opt_continuous)
1516                 add_anykey();
1517
1518         sr_session_run();
1519
1520         if (opt_continuous)
1521                 clear_anykey();
1522
1523         sr_session_destroy();
1524         g_slist_free(devices);
1525
1526 }
1527
1528 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
1529                    const gchar *message, gpointer cb_data)
1530 {
1531         (void)log_domain;
1532         (void)cb_data;
1533
1534         /*
1535          * All messages, warnings, errors etc. go to stderr (not stdout) in
1536          * order to not mess up the CLI tool data output, e.g. VCD output.
1537          */
1538         if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
1539                         || opt_loglevel > SR_LOG_WARN) {
1540                 fprintf(stderr, "%s\n", message);
1541                 fflush(stderr);
1542         }
1543 }
1544
1545 int main(int argc, char **argv)
1546 {
1547         int ret = 1;
1548         GOptionContext *context;
1549         GError *error;
1550
1551         g_log_set_default_handler(logger, NULL);
1552
1553         error = NULL;
1554         context = g_option_context_new(NULL);
1555         g_option_context_add_main_entries(context, optargs, NULL);
1556
1557         if (!g_option_context_parse(context, &argc, &argv, &error)) {
1558                 g_critical("%s", error->message);
1559                 goto done;
1560         }
1561
1562         /* Set the loglevel (amount of messages to output) for libsigrok. */
1563         if (sr_log_loglevel_set(opt_loglevel) != SR_OK)
1564                 goto done;
1565
1566         if (sr_init(&sr_ctx) != SR_OK)
1567                 goto done;
1568
1569 #ifdef HAVE_SRD
1570         /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
1571         if (srd_log_loglevel_set(opt_loglevel) != SRD_OK)
1572                 goto done;
1573
1574         if (opt_pds) {
1575                 if (srd_init(NULL) != SRD_OK)
1576                         goto done;
1577                 if (register_pds(NULL, opt_pds) != 0)
1578                         goto done;
1579                 if (srd_pd_output_callback_add(SRD_OUTPUT_ANN,
1580                                 show_pd_annotations, NULL) != SRD_OK)
1581                         goto done;
1582                 if (setup_pd_stack() != 0)
1583                         goto done;
1584                 if (setup_pd_annotations() != 0)
1585                         goto done;
1586         }
1587 #endif
1588
1589         if (setup_output_format() != 0)
1590                 goto done;
1591
1592         if (opt_version)
1593                 show_version();
1594         else if (opt_list_devs)
1595                 show_dev_list();
1596 #ifdef HAVE_SRD
1597         else if (opt_pds && opt_show)
1598                 show_pd_detail();
1599 #endif
1600         else if (opt_show)
1601                 show_dev_detail();
1602         else if (opt_input_file)
1603                 load_input_file();
1604         else if (opt_set)
1605                 set_options();
1606         else if (opt_samples || opt_time || opt_frames || opt_continuous)
1607                 run_session();
1608         else
1609                 printf("%s", g_option_context_get_help(context, TRUE, NULL));
1610
1611 #ifdef HAVE_SRD
1612         if (opt_pds)
1613                 srd_exit();
1614 #endif
1615
1616         ret = 0;
1617
1618 done:
1619         if (sr_ctx)
1620                 sr_exit(sr_ctx);
1621
1622         g_option_context_free(context);
1623
1624         return ret;
1625 }