2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
20 #include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
28 #include <sys/types.h>
32 #include <glib/gstdio.h>
34 #include "sigrok-cli.h"
37 #define DEFAULT_OUTPUT_FORMAT "bits:width=64"
39 extern struct sr_hwcap_option sr_hwcap_options[];
41 static gboolean debug = 0;
42 static uint64_t limit_samples = 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 GData *pd_ann_visible = NULL;
49 static gboolean opt_version = FALSE;
50 static gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
51 static gboolean opt_list_devices = 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_device = 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_input_format = NULL;
61 static gchar *opt_format = NULL;
62 static gchar *opt_time = NULL;
63 static gchar *opt_samples = NULL;
64 static gchar *opt_continuous = NULL;
66 static GOptionEntry optargs[] = {
67 {"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version, "Show version and support list", NULL},
68 {"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel, "Select libsigrok loglevel", NULL},
69 {"list-devices", 'D', 0, G_OPTION_ARG_NONE, &opt_list_devices, "List devices", NULL},
70 {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file, "Load input from file", NULL},
71 {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file, "Save output to file", NULL},
72 {"device", 'd', 0, G_OPTION_ARG_STRING, &opt_device, "Use device ID", NULL},
73 {"probes", 'p', 0, G_OPTION_ARG_STRING, &opt_probes, "Probes to use", NULL},
74 {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers, "Trigger configuration", NULL},
75 {"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger, "Wait for trigger", NULL},
76 {"protocol-decoders", 'a', 0, G_OPTION_ARG_STRING, &opt_pds, "Protocol decoder sequence", NULL},
77 {"protocol-decoder-stack", 's', 0, G_OPTION_ARG_STRING, &opt_pd_stack, "Protocol decoder stack", NULL},
78 {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format, "Input format", NULL},
79 {"format", 'f', 0, G_OPTION_ARG_STRING, &opt_format, "Output format", NULL},
80 {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time, "How long to sample (ms)", NULL},
81 {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples, "Number of samples to acquire", NULL},
82 {"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous, "Sample continuously", NULL},
83 {NULL, 0, 0, 0, NULL, NULL, NULL}
86 static void show_version(void)
88 GSList *plugins, *p, *l;
89 struct sr_device_plugin *plugin;
90 struct sr_input_format **inputs;
91 struct sr_output_format **outputs;
92 struct srd_decoder *dec;
95 printf("sigrok-cli %s\n\n", VERSION);
96 printf("Supported hardware drivers:\n");
97 plugins = sr_list_hwplugins();
98 for (p = plugins; p; p = p->next) {
100 printf(" %-20s %s\n", plugin->name, plugin->longname);
104 printf("Supported input formats:\n");
105 inputs = sr_input_list();
106 for (i = 0; inputs[i]; i++)
107 printf(" %-20s %s\n", inputs[i]->id, inputs[i]->description);
110 printf("Supported output formats:\n");
111 outputs = sr_output_list();
112 for (i = 0; outputs[i]; i++)
113 printf(" %-20s %s\n", outputs[i]->id, outputs[i]->description);
116 /* TODO: Error handling. */
119 printf("Supported protocol decoders:\n");
120 for (l = srd_list_decoders(); l; l = l->next) {
122 printf(" %-20s %s\n", dec->id, dec->desc);
129 static void print_device_line(struct sr_device *device)
131 struct sr_device_instance *sdi;
133 sdi = device->plugin->get_device_info(device->plugin_index, SR_DI_INSTANCE);
135 if (sdi->vendor && sdi->vendor[0])
136 printf("%s ", sdi->vendor);
137 if (sdi->model && sdi->model[0])
138 printf("%s ", sdi->model);
139 if (sdi->version && sdi->version[0])
140 printf("%s ", sdi->version);
142 printf("with %d probes", g_slist_length(device->probes));
146 static void show_device_list(void)
148 struct sr_device *device, *demo_device;
153 devices = sr_device_list();
155 if (g_slist_length(devices) == 0)
158 printf("The following devices were found:\nID Device\n");
160 for (l = devices; l; l = l->next) {
162 if (strstr(device->plugin->name, "demo")) {
163 demo_device = device;
166 printf("%-3d ", devcnt++);
167 print_device_line(device);
171 print_device_line(demo_device);
175 static void show_device_detail(void)
177 struct sr_device *device;
178 struct sr_hwcap_option *hwo;
179 struct sr_samplerates *samplerates;
180 int cap, *capabilities, i;
181 char *s, *title, *charopts, **stropts;
183 device = parse_devicestring(opt_device);
185 printf("No such device. Use -D to list all devices.\n");
189 print_device_line(device);
191 if ((charopts = (char *)device->plugin->get_device_info(
192 device->plugin_index, SR_DI_TRIGGER_TYPES))) {
193 printf("Supported triggers: ");
195 printf("%c ", *charopts);
201 title = "Supported options:\n";
202 capabilities = device->plugin->get_capabilities();
203 for (cap = 0; capabilities[cap]; cap++) {
204 if (!(hwo = sr_find_hwcap_option(capabilities[cap])))
212 if (hwo->capability == SR_HWCAP_PATTERN_MODE) {
213 printf(" %s", hwo->shortname);
214 stropts = (char **)device->plugin->get_device_info(
215 device->plugin_index, SR_DI_PATTERNMODES);
220 printf(" - supported modes:\n");
221 for (i = 0; stropts[i]; i++)
222 printf(" %s\n", stropts[i]);
223 } else if (hwo->capability == SR_HWCAP_SAMPLERATE) {
224 printf(" %s", hwo->shortname);
225 /* Supported samplerates */
226 samplerates = device->plugin->get_device_info(
227 device->plugin_index, SR_DI_SAMPLERATES);
233 if (samplerates->step) {
235 if (!(s = sr_samplerate_string(samplerates->low)))
240 if (!(s = sr_samplerate_string(samplerates->high)))
245 if (!(s = sr_samplerate_string(samplerates->step)))
247 printf(" in steps of %s)\n", s);
250 printf(" - supported samplerates:\n");
251 for (i = 0; samplerates->list[i]; i++) {
252 printf(" %7s\n", sr_samplerate_string(samplerates->list[i]));
256 printf(" %s\n", hwo->shortname);
261 static void datafeed_in(struct sr_device *device, struct sr_datafeed_packet *packet)
263 static struct sr_output *o = NULL;
264 static int probelist[SR_MAX_NUM_PROBES] = { 0 };
265 static uint64_t received_samples = 0;
266 static int unitsize = 0;
267 static int triggered = 0;
268 static FILE *outfile = NULL;
269 struct sr_probe *probe;
270 struct sr_datafeed_header *header;
271 struct sr_datafeed_logic *logic;
272 int num_enabled_probes, sample_size, ret, i;
273 uint64_t output_len, filter_out_len;
274 char *output_buf, *filter_out;
276 /* If the first packet to come in isn't a header, don't even try. */
277 if (packet->type != SR_DF_HEADER && o == NULL)
281 switch (packet->type) {
283 g_message("cli: Received SR_DF_HEADER");
284 /* Initialize the output module. */
285 if (!(o = malloc(sizeof(struct sr_output)))) {
286 printf("Output module malloc failed.\n");
289 o->format = output_format;
291 o->param = output_format_param;
292 if (o->format->init) {
293 if (o->format->init(o) != SR_OK) {
294 printf("Output format initialization failed.\n");
299 header = packet->payload;
300 num_enabled_probes = 0;
301 for (i = 0; i < header->num_logic_probes; i++) {
302 probe = g_slist_nth_data(device->probes, i);
304 probelist[num_enabled_probes++] = probe->index;
306 /* How many bytes we need to store num_enabled_probes bits */
307 unitsize = (num_enabled_probes + 7) / 8;
310 if (opt_output_file) {
311 if (default_output_format) {
312 /* output file is in session format, which means we'll
313 * dump everything in the datastore as it comes in,
314 * and save from there after the session. */
316 ret = sr_datastore_new(unitsize, &(device->datastore));
318 printf("Failed to create datastore.\n");
322 /* saving to a file in whatever format was set
323 * with --format, so all we need is a filehandle */
324 outfile = g_fopen(opt_output_file, "wb");
328 srd_session_start(num_enabled_probes, unitsize,
332 g_message("cli: Received SR_DF_END");
334 g_message("cli: double end!");
337 if (o->format->event) {
338 o->format->event(o, SR_DF_END, &output_buf, &output_len);
341 fwrite(output_buf, 1, output_len, outfile);
346 if (limit_samples && received_samples < limit_samples)
347 printf("Device only sent %" PRIu64 " samples.\n",
350 printf("Device stopped after %" PRIu64 " samples.\n",
353 if (outfile && outfile != stdout)
359 g_message("cli: received SR_DF_TRIGGER at %"PRIu64" ms",
360 packet->timeoffset / 1000000);
361 if (o->format->event)
362 o->format->event(o, SR_DF_TRIGGER, &output_buf,
367 logic = packet->payload;
368 sample_size = logic->unitsize;
369 g_message("cli: received SR_DF_LOGIC at %f ms duration %f ms, %"PRIu64" bytes",
370 packet->timeoffset / 1000000.0, packet->duration / 1000000.0,
377 /* not supporting anything but SR_DF_LOGIC for now */
379 if (sample_size == -1 || logic->length == 0)
382 /* Don't store any samples until triggered. */
383 if (opt_wait_trigger && !triggered)
386 if (limit_samples && received_samples >= limit_samples)
389 /* TODO: filters only support SR_DF_LOGIC */
390 ret = sr_filter_probes(sample_size, unitsize, probelist,
391 logic->data, logic->length,
392 &filter_out, &filter_out_len);
396 /* what comes out of the filter is guaranteed to be packed into the
397 * minimum size needed to support the number of samples at this sample
398 * size. however, the driver may have submitted too much -- cut off
399 * the buffer of the last packet according to the sample limit.
401 if (limit_samples && (received_samples + logic->length / sample_size >
402 limit_samples * sample_size))
403 filter_out_len = limit_samples * sample_size - received_samples;
405 if (device->datastore)
406 sr_datastore_put(device->datastore, filter_out,
407 filter_out_len, sample_size, probelist);
409 if (opt_output_file && default_output_format)
410 /* saving to a session file, don't need to do anything else
411 * to this data for now. */
415 if (srd_session_feed(packet->timeoffset, packet->duration,
416 (uint8_t*)filter_out, filter_out_len) != SRD_OK)
420 if (o->format->data && packet->type == o->format->df_type)
421 o->format->data(o, filter_out, filter_out_len, &output_buf, &output_len);
423 fwrite(output_buf, 1, output_len, outfile);
430 received_samples += logic->length / sample_size;
434 /* Register the given PDs for this session.
435 * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
436 * That will instantiate two SPI decoders on the clock but different data
439 static int register_pds(struct sr_device *device, const char *pdstring)
442 char **pdtokens, **pdtok;
444 /* Avoid compiler warnings. */
447 g_datalist_init(&pd_ann_visible);
448 pdtokens = g_strsplit(pdstring, ",", -1);
450 /* anything, but not NULL */
451 dummy = register_pds;
452 for (pdtok = pdtokens; *pdtok; pdtok++) {
453 struct srd_decoder_instance *di;
455 /* Configure probes from command line */
456 char **optokens, **optok;
457 optokens = g_strsplit(*pdtok, ":", -1);
458 di = srd_instance_new(optokens[0], NULL);
460 fprintf(stderr, "Failed to instantiate PD: %s\n",
462 g_strfreev(optokens);
463 g_strfreev(pdtokens);
466 g_datalist_set_data(&pd_ann_visible, optokens[0], dummy);
467 for (optok = optokens+1; *optok; optok++) {
468 char probe[strlen(*optok)];
470 if (sscanf(*optok, "%[^=]=%d", probe, &num) == 2) {
471 printf("Setting probe '%s' to %d\n", probe, num);
472 srd_instance_set_probe(di, probe, num);
474 fprintf(stderr, "Error: Couldn't parse decoder "
475 "options correctly! Aborting.\n");
476 /* FIXME: Better error handling. */
480 g_strfreev(optokens);
482 /* TODO: Handle errors. */
485 g_strfreev(pdtokens);
490 void show_pd_annotation(struct srd_protocol_data *pdata)
495 annotation = pdata->data;
496 if (pdata->annotation_format != 0) {
497 /* CLI only shows the default annotation format */
501 if (!g_datalist_get_data(&pd_ann_visible, pdata->pdo->protocol_id)) {
502 /* not in the list of PDs whose annotations we're showing */
506 printf("%s: ", pdata->pdo->protocol_id);
507 for (i = 0; annotation[i]; i++)
508 printf("\"%s\" ", annotation[i]);
513 static int select_probes(struct sr_device *device)
515 struct sr_probe *probe;
523 * This only works because a device by default initializes
524 * and enables all its probes.
526 max_probes = g_slist_length(device->probes);
527 probelist = parse_probestring(max_probes, opt_probes);
532 for (i = 0; i < max_probes; i++) {
534 sr_device_probe_name(device, i + 1, probelist[i]);
535 g_free(probelist[i]);
537 probe = sr_device_probe_find(device, i + 1);
538 probe->enabled = FALSE;
547 * Return the input file format which the CLI tool should use.
549 * If the user specified -I / --input-format, use that one. Otherwise, try to
550 * autodetect the format as good as possible. Failing that, return NULL.
552 * @param filename The filename of the input file. Must not be NULL.
553 * @param opt The -I / --input-file option the user specified (or NULL).
555 * @return A pointer to the 'struct sr_input_format' that should be used,
556 * or NULL if no input format was selected or auto-detected.
558 static struct sr_input_format *determine_input_file_format(
559 const char *filename, const char *opt)
562 struct sr_input_format **inputs;
564 /* If there are no input formats, return NULL right away. */
565 inputs = sr_input_list();
567 fprintf(stderr, "cli: %s: no supported input formats "
568 "available", __func__);
572 /* If the user specified -I / --input-format, use that one. */
574 for (i = 0; inputs[i]; i++) {
575 if (strcasecmp(inputs[i]->id, opt_input_format))
577 printf("Using user-specified input file format"
578 " '%s'.\n", inputs[i]->id);
582 /* The user specified an unknown input format, return NULL. */
583 fprintf(stderr, "Error: Specified input file format '%s' is "
584 "unknown.\n", opt_input_format);
588 /* Otherwise, try to find an input module that can handle this file. */
589 for (i = 0; inputs[i]; i++) {
590 if (inputs[i]->format_match(filename))
594 /* Return NULL if no input module wanted to touch this. */
596 fprintf(stderr, "Error: No matching input module found.\n");
600 printf("Using input file format '%s'.\n", inputs[i]->id);
604 static void load_input_file_format(void)
608 struct sr_input_format *input_format;
610 input_format = determine_input_file_format(opt_input_file,
613 fprintf(stderr, "Error: Couldn't detect input file format.\n");
617 if (stat(opt_input_file, &st) == -1) {
618 printf("Failed to load %s: %s\n", opt_input_file,
623 /* Initialize the input module. */
624 if (!(in = malloc(sizeof(struct sr_input)))) {
625 printf("Failed to allocate input module.\n");
628 in->format = input_format;
629 in->param = input_format_param;
630 if (in->format->init) {
631 if (in->format->init(in) != SR_OK) {
632 printf("Input format init failed.\n");
637 if (select_probes(in->vdevice) > 0)
641 sr_session_datafeed_callback_add(datafeed_in);
642 if (sr_session_device_add(in->vdevice) != SR_OK) {
643 printf("Failed to use device.\n");
644 sr_session_destroy();
648 input_format->loadfile(in, opt_input_file);
649 if (opt_output_file && default_output_format) {
650 if (sr_session_save(opt_output_file) != SR_OK)
651 printf("Failed to save session.\n");
653 sr_session_destroy();
657 static void load_input_file(void)
660 if (sr_session_load(opt_input_file) == SR_OK) {
661 /* sigrok session file */
662 sr_session_datafeed_callback_add(datafeed_in);
668 /* fall back on input modules */
669 load_input_file_format();
674 int num_real_devices(void)
676 struct sr_device *device;
681 devices = sr_device_list();
682 for (l = devices; l; l = l->next) {
684 if (!strstr(device->plugin->name, "demo"))
691 static int set_device_options(struct sr_device *device, GHashTable *args)
700 g_hash_table_iter_init(&iter, args);
701 while (g_hash_table_iter_next(&iter, &key, &value)) {
703 for (i = 0; sr_hwcap_options[i].capability; i++) {
704 if (strcmp(sr_hwcap_options[i].shortname, key))
706 if ((value == NULL) &&
707 (sr_hwcap_options[i].type != SR_T_BOOL)) {
708 printf("Option '%s' needs a value.\n", (char *)key);
712 switch (sr_hwcap_options[i].type) {
714 ret = sr_parse_sizestring(value, &tmp_u64);
717 ret = device->plugin-> set_configuration(device-> plugin_index,
718 sr_hwcap_options[i]. capability, &tmp_u64);
721 ret = device->plugin-> set_configuration(device-> plugin_index,
722 sr_hwcap_options[i]. capability, value);
728 tmp_bool = sr_parse_boolstring(value);
729 ret = device->plugin-> set_configuration(device-> plugin_index,
730 sr_hwcap_options[i]. capability,
731 GINT_TO_POINTER(tmp_bool));
738 printf("Failed to set device option '%s'.\n", (char *)key);
745 printf("Unknown device option '%s'.\n", (char *) key);
753 static void run_session(void)
755 struct sr_device *device;
757 int num_devices, max_probes, *capabilities, i;
758 uint64_t tmp_u64, time_msec;
759 char **probelist, *devspec;
763 devargs = parse_generic_arg(opt_device);
764 devspec = g_hash_table_lookup(devargs, "sigrok_key");
765 device = parse_devicestring(devspec);
767 g_warning("Device not found.");
770 g_hash_table_remove(devargs, "sigrok_key");
772 num_devices = num_real_devices();
773 if (num_devices == 1) {
774 /* No device specified, but there is only one. */
776 device = parse_devicestring("0");
777 } else if (num_devices == 0) {
778 printf("No devices found.\n");
781 printf("%d devices found, please select one.\n", num_devices);
787 sr_session_datafeed_callback_add(datafeed_in);
789 if (sr_session_device_add(device) != SR_OK) {
790 printf("Failed to use device.\n");
791 sr_session_destroy();
796 if (set_device_options(device, devargs) != SR_OK) {
797 sr_session_destroy();
800 g_hash_table_destroy(devargs);
803 if (select_probes(device) != SR_OK)
806 if (opt_continuous) {
807 capabilities = device->plugin->get_capabilities();
808 if (!sr_find_hwcap(capabilities, SR_HWCAP_CONTINUOUS)) {
809 printf("This device does not support continuous sampling.");
810 sr_session_destroy();
816 probelist = sr_parse_triggerstring(device, opt_triggers);
818 sr_session_destroy();
822 max_probes = g_slist_length(device->probes);
823 for (i = 0; i < max_probes; i++) {
825 sr_device_trigger_set(device, i + 1, probelist[i]);
826 g_free(probelist[i]);
833 time_msec = sr_parse_timestring(opt_time);
834 if (time_msec == 0) {
835 printf("Invalid time '%s'\n", opt_time);
836 sr_session_destroy();
840 capabilities = device->plugin->get_capabilities();
841 if (sr_find_hwcap(capabilities, SR_HWCAP_LIMIT_MSEC)) {
842 if (device->plugin->set_configuration(device->plugin_index,
843 SR_HWCAP_LIMIT_MSEC, &time_msec) != SR_OK) {
844 printf("Failed to configure time limit.\n");
845 sr_session_destroy();
850 /* time limit set, but device doesn't support this...
851 * convert to samples based on the samplerate.
854 if (sr_device_has_hwcap(device, SR_HWCAP_SAMPLERATE)) {
855 tmp_u64 = *((uint64_t *) device->plugin->get_device_info(
856 device->plugin_index, SR_DI_CUR_SAMPLERATE));
857 limit_samples = tmp_u64 * time_msec / (uint64_t) 1000;
859 if (limit_samples == 0) {
860 printf("Not enough time at this samplerate.\n");
861 sr_session_destroy();
865 if (device->plugin->set_configuration(device->plugin_index,
866 SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK) {
867 printf("Failed to configure time-based sample limit.\n");
868 sr_session_destroy();
875 if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)
876 || (device->plugin->set_configuration(device->plugin_index,
877 SR_HWCAP_LIMIT_SAMPLES, &limit_samples) != SR_OK)) {
878 printf("Failed to configure sample limit.\n");
879 sr_session_destroy();
884 if (device->plugin->set_configuration(device->plugin_index,
885 SR_HWCAP_PROBECONFIG, (char *)device->probes) != SR_OK) {
886 printf("Failed to configure probes.\n");
887 sr_session_destroy();
891 if (sr_session_start() != SR_OK) {
892 printf("Failed to start session.\n");
893 sr_session_destroy();
905 if (opt_output_file && default_output_format) {
906 if (sr_session_save(opt_output_file) != SR_OK)
907 printf("Failed to save session.\n");
909 sr_session_destroy();
913 static void logger(const gchar *log_domain, GLogLevelFlags log_level,
914 const gchar *message, gpointer user_data)
916 /* Avoid compiler warnings. */
921 * All messages, warnings, errors etc. go to stderr (not stdout) in
922 * order to not mess up the CLI tool data output, e.g. VCD output.
924 if (log_level & (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_WARNING)) {
925 fprintf(stderr, "%s\n", message);
928 if ((log_level & G_LOG_LEVEL_MESSAGE && debug == 1)
930 printf("%s\n", message);
936 int main(int argc, char **argv)
938 GOptionContext *context;
943 struct sr_output_format **outputs;
944 struct srd_decoder_instance *di_from, *di_to;
946 char *fmtspec, **pds;
948 g_log_set_default_handler(logger, NULL);
949 if (getenv("SIGROK_DEBUG"))
950 debug = strtol(getenv("SIGROK_DEBUG"), NULL, 10);
953 context = g_option_context_new(NULL);
954 g_option_context_add_main_entries(context, optargs, NULL);
956 if (!g_option_context_parse(context, &argc, &argv, &error)) {
957 g_warning("%s", error->message);
961 /* Set the loglevel (amount of messages to output) for libsigrok. */
962 if (sr_set_loglevel(opt_loglevel) != SR_OK) {
963 fprintf(stderr, "cli: %s: sr_set_loglevel(%d) failed\n",
964 __func__, opt_loglevel);
968 /* Set the loglevel (amount of messages to output) for libsigrokdecode. */
969 if (srd_set_loglevel(opt_loglevel) != SRD_OK) {
970 fprintf(stderr, "cli: %s: srd_set_loglevel(%d) failed\n",
971 __func__, opt_loglevel);
975 if (sr_init() != SR_OK)
979 if (srd_init() != SRD_OK) {
980 printf("Failed to initialize sigrokdecode\n");
983 if (register_pds(NULL, opt_pds) != 0) {
984 printf("Failed to register protocol decoders\n");
987 if (srd_register_callback(SRD_OUTPUT_ANNOTATION,
988 show_pd_annotation) != SRD_OK) {
989 printf("Failed to register protocol decoder callback\n");
995 pds = g_strsplit(opt_pd_stack, ":", 0);
996 if (g_strv_length(pds) < 2) {
997 printf("Specify at least two protocol decoders to stack.\n");
1001 if (!(di_from = srd_instance_find(pds[0]))) {
1002 printf("Cannot stack protocol decoder '%s': instance not found.\n", pds[0]);
1005 for (i = 1; pds[i]; i++) {
1006 if (!(di_to = srd_instance_find(pds[i]))) {
1007 printf("Cannot stack protocol decoder '%s': instance not found.\n", pds[i]);
1010 if ((ret = srd_instance_stack(di_from, di_to) != SRD_OK))
1013 /* Don't show annotation from this PD. Only the last PD in
1014 * the stack will be left on the annotation list.
1016 g_datalist_remove_data(&pd_ann_visible, di_from->instance_id);
1024 opt_format = DEFAULT_OUTPUT_FORMAT;
1025 /* we'll need to remember this so when saving to a file
1026 * later, sigrok session format will be used.
1028 default_output_format = TRUE;
1030 fmtargs = parse_generic_arg(opt_format);
1031 fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key");
1033 printf("Invalid output format.\n");
1036 outputs = sr_output_list();
1037 for (i = 0; outputs[i]; i++) {
1038 if (strcmp(outputs[i]->id, fmtspec))
1040 g_hash_table_remove(fmtargs, "sigrok_key");
1041 output_format = outputs[i];
1042 g_hash_table_iter_init(&iter, fmtargs);
1043 while (g_hash_table_iter_next(&iter, &key, &value)) {
1044 /* only supporting one parameter per output module
1045 * for now, and only its value */
1046 output_format_param = g_strdup(value);
1051 if (!output_format) {
1052 printf("invalid output format %s\n", opt_format);
1058 else if (opt_list_devices)
1060 else if (opt_input_file)
1062 else if (opt_samples || opt_time || opt_continuous)
1064 else if (opt_device)
1065 show_device_detail();
1067 printf("%s", g_option_context_get_help(context, TRUE, NULL));
1072 g_option_context_free(context);
1073 g_hash_table_destroy(fmtargs);