[sigrok-cli.git] / show.c

/*
 * This file is part of the sigrok-cli project.
 *
 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "sigrok-cli.h"
#include <glib.h>
#include <string.h>

extern gint opt_loglevel;
extern gchar *opt_pds;

static gint sort_inputs(gconstpointer a, gconstpointer b)
{
	const struct sr_input_format *ia = a, *ib = b;

	return strcmp(ia->id, ib->id);
}

static gint sort_outputs(gconstpointer a, gconstpointer b)
{
	const struct sr_output_format *oa = a, *ob = b;

	return strcmp(oa->id, ob->id);
}

static gint sort_drivers(gconstpointer a, gconstpointer b)
{
	const struct sr_dev_driver *sdda = a, *sddb = b;

	return strcmp(sdda->name, sddb->name);
}

static gint sort_pds(gconstpointer a, gconstpointer b)
{
	const struct srd_decoder *sda = a, *sdb = b;

	return strcmp(sda->id, sdb->id);
}

void show_version(void)
{
	struct sr_dev_driver **drivers, *driver;
	struct sr_input_format **inputs, *input;
	struct sr_output_format **outputs, *output;
	const GSList *l;
	GSList *sl;
	int i;
#ifdef HAVE_SRD
	struct srd_decoder *dec;
#endif

	printf("sigrok-cli %s\n\n", VERSION);

	printf("Using libsigrok %s (lib version %s).\n",
	       sr_package_version_string_get(), sr_lib_version_string_get());
#ifdef HAVE_SRD
	printf("Using libsigrokdecode %s (lib version %s).\n\n",
	       srd_package_version_string_get(), srd_lib_version_string_get());
#endif

	printf("Supported hardware drivers:\n");
	drivers = sr_driver_list();
	for (sl = NULL, i = 0; drivers[i]; i++)
		sl = g_slist_append(sl, drivers[i]);
	sl = g_slist_sort(sl, sort_drivers);
	for (l = sl; l; l = l->next) {
		driver = l->data;
		printf("  %-20s %s\n", driver->name, driver->longname);
	}
	printf("\n");
	g_slist_free(sl);

	printf("Supported input formats:\n");
	inputs = sr_input_list();
	for (sl = NULL, i = 0; inputs[i]; i++)
		sl = g_slist_append(sl, inputs[i]);
	sl = g_slist_sort(sl, sort_inputs);
	for (l = sl; l; l = l->next) {
		input = l->data;
		printf("  %-20s %s\n", input->id, input->description);
	}
	printf("\n");
	g_slist_free(sl);

	printf("Supported output formats:\n");
	outputs = sr_output_list();
	for (sl = NULL, i = 0; outputs[i]; i++)
		sl = g_slist_append(sl, outputs[i]);
	sl = g_slist_sort(sl, sort_outputs);
	for (l = sl; l; l = l->next) {
		output = l->data;
		printf("  %-20s %s\n", output->id, output->description);
	}
	printf("\n");
	g_slist_free(sl);

#ifdef HAVE_SRD
	if (srd_init(NULL) == SRD_OK) {
		printf("Supported protocol decoders:\n");
		srd_decoder_load_all();
		sl = g_slist_copy((GSList *)srd_decoder_list());
		sl = g_slist_sort(sl, sort_pds);
		for (l = sl; l; l = l->next) {
			dec = l->data;
			printf("  %-20s %s\n", dec->id, dec->longname);
			/* Print protocol description upon "-l 3" or higher. */
			if (opt_loglevel >= SR_LOG_INFO)
				printf("  %-20s %s\n", "", dec->desc);
		}
		g_slist_free(sl);
		srd_exit();
	}
	printf("\n");
#endif
}

static gint sort_channels(gconstpointer a, gconstpointer b)
{
	const struct sr_channel *pa = a, *pb = b;

	return pa->index - pb->index;
}

static void print_dev_line(const struct sr_dev_inst *sdi)
{
	struct sr_channel *ch;
	GSList *sl, *l;
	GString *s;
	GVariant *gvar;

	s = g_string_sized_new(128);
	g_string_assign(s, sdi->driver->name);
	if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
		g_string_append(s, ":conn=");
		g_string_append(s, g_variant_get_string(gvar, NULL));
		g_variant_unref(gvar);
	}
	g_string_append(s, " - ");
	if (sdi->vendor && sdi->vendor[0])
		g_string_append_printf(s, "%s ", sdi->vendor);
	if (sdi->model && sdi->model[0])
		g_string_append_printf(s, "%s ", sdi->model);
	if (sdi->version && sdi->version[0])
		g_string_append_printf(s, "%s ", sdi->version);
	if (sdi->channels) {
		if (g_slist_length(sdi->channels) == 1) {
			ch = sdi->channels->data;
			g_string_append_printf(s, "with 1 channel: %s", ch->name);
		} else {
			sl = g_slist_sort(g_slist_copy(sdi->channels), sort_channels);
			g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
			for (l = sl; l; l = l->next) {
				ch = l->data;
				g_string_append_printf(s, " %s", ch->name);
			}
			g_slist_free(sl);
		}
	}
	g_string_append_printf(s, "\n");
	printf("%s", s->str);
	g_string_free(s, TRUE);

}

void show_dev_list(void)
{
	struct sr_dev_inst *sdi;
	GSList *devices, *l;

	if (!(devices = device_scan()))
		return;

	printf("The following devices were found:\n");
	for (l = devices; l; l = l->next) {
		sdi = l->data;
		print_dev_line(sdi);
	}
	g_slist_free(devices);

}

void show_dev_detail(void)
{
	struct sr_dev_inst *sdi;
	const struct sr_config_info *srci;
	struct sr_channel *ch;
	struct sr_channel_group *channel_group, *cg;
	GSList *devices, *cgl, *chl;
	GVariant *gvar_opts, *gvar_dict, *gvar_list, *gvar;
	gsize num_opts, num_elements;
	double dlow, dhigh, dcur_low, dcur_high;
	const uint64_t *uint64, p, q, low, high;
	uint64_t cur_low, cur_high;
	const int32_t *opts;
	unsigned int num_devices, o, i;
	char *tmp_str;
	char *s;
	const char *charopts, **stropts;

	if (!(devices = device_scan())) {
		g_critical("No devices found.");
		return;
	}

	num_devices = g_slist_length(devices);
	if (num_devices > 1) {
		g_critical("%d devices found. Use --scan to show them, "
				"and select one to show.", num_devices);
		return;
	}

	sdi = devices->data;
	print_dev_line(sdi);

	if (sr_dev_open(sdi) != SR_OK) {
		g_critical("Failed to open device.");
		return;
	}

	if ((sr_config_list(sdi->driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
			&gvar_opts) == SR_OK)) {
		opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
				sizeof(int32_t));
		printf("Supported driver options:\n");
		for (i = 0; i < num_elements; i++) {
			if (!(srci = sr_config_info_get(opts[i])))
				continue;
			printf("    %s\n", srci->id);
		}
		g_variant_unref(gvar_opts);
	}

	/* Selected channels and channel group may affect which options are
	 * returned, or which values for them. */
	select_channels(sdi);
	channel_group = select_channel_group(sdi);

	if ((sr_config_list(sdi->driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
			&gvar_opts)) != SR_OK)
		/* Driver supports no device instance options. */
		return;

	if (sdi->channel_groups) {
		printf("Channel groups:\n");
		for (cgl = sdi->channel_groups; cgl; cgl = cgl->next) {
			cg = cgl->data;
			printf("    %s: channel%s", cg->name,
					g_slist_length(cg->channels) > 1 ? "s" : "");
			for (chl = cg->channels; chl; chl = chl->next) {
				ch = chl->data;
				printf(" %s", ch->name);
			}
			printf("\n");
		}
	}

	printf("Supported configuration options");
	if (sdi->channel_groups) {
		if (!channel_group)
			printf(" across all channel groups");
		else
			printf(" on channel group %s", channel_group->name);
	}
	printf(":\n");
	opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(int32_t));
	for (o = 0; o < num_opts; o++) {
		if (!(srci = sr_config_info_get(opts[o])))
			continue;

		if (srci->key == SR_CONF_TRIGGER_TYPE) {
			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar) != SR_OK) {
				printf("\n");
				continue;
			}
			charopts = g_variant_get_string(gvar, NULL);
			printf("    Supported triggers: ");
			while (*charopts) {
				printf("%c ", *charopts);
				charopts++;
			}
			printf("\n");
			g_variant_unref(gvar);

		} else if (srci->key == SR_CONF_LIMIT_SAMPLES) {
			/* If implemented in config_list(), this denotes the
			 * maximum number of samples a device can send. This
			 * really applies only to logic analyzers, and then
			 * only to those that don't support compression, or
			 * have it turned off by default. The values returned
			 * are the low/high limits. */
			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar) != SR_OK) {
				continue;
			}
			g_variant_get(gvar, "(tt)", &low, &high);
			g_variant_unref(gvar);
			printf("    Maximum number of samples: %"PRIu64"\n", high);

		} else if (srci->key == SR_CONF_SAMPLERATE) {
			/* Supported samplerates */
			printf("    %s", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group, SR_CONF_SAMPLERATE,
					&gvar_dict) != SR_OK) {
				printf("\n");
				continue;
			}
			if ((gvar_list = g_variant_lookup_value(gvar_dict,
					"samplerates", G_VARIANT_TYPE("at")))) {
				uint64 = g_variant_get_fixed_array(gvar_list,
						&num_elements, sizeof(uint64_t));
				printf(" - supported samplerates:\n");
				for (i = 0; i < num_elements; i++) {
					if (!(s = sr_samplerate_string(uint64[i])))
						continue;
					printf("      %s\n", s);
					g_free(s);
				}
				g_variant_unref(gvar_list);
			} else if ((gvar_list = g_variant_lookup_value(gvar_dict,
					"samplerate-steps", G_VARIANT_TYPE("at")))) {
				uint64 = g_variant_get_fixed_array(gvar_list,
						&num_elements, sizeof(uint64_t));
				/* low */
				if (!(s = sr_samplerate_string(uint64[0])))
					continue;
				printf(" (%s", s);
				g_free(s);
				/* high */
				if (!(s = sr_samplerate_string(uint64[1])))
					continue;
				printf(" - %s", s);
				g_free(s);
				/* step */
				if (!(s = sr_samplerate_string(uint64[2])))
					continue;
				printf(" in steps of %s)\n", s);
				g_free(s);
				g_variant_unref(gvar_list);
			}
			g_variant_unref(gvar_dict);

		} else if (srci->key == SR_CONF_BUFFERSIZE) {
			/* Supported buffer sizes */
			printf("    %s", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group,
					SR_CONF_BUFFERSIZE, &gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}
			uint64 = g_variant_get_fixed_array(gvar_list,
					&num_elements, sizeof(uint64_t));
			printf(" - supported buffer sizes:\n");
			for (i = 0; i < num_elements; i++)
				printf("      %"PRIu64"\n", uint64[i]);
			g_variant_unref(gvar_list);

		} else if (srci->key == SR_CONF_TIMEBASE) {
			/* Supported time bases */
			printf("    %s", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group,
					SR_CONF_TIMEBASE, &gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}
			printf(" - supported time bases:\n");
			num_elements = g_variant_n_children(gvar_list);
			for (i = 0; i < num_elements; i++) {
				gvar = g_variant_get_child_value(gvar_list, i);
				g_variant_get(gvar, "(tt)", &p, &q);
				s = sr_period_string(p * q);
				printf("      %s\n", s);
				g_free(s);
			}
			g_variant_unref(gvar_list);

		} else if (srci->key == SR_CONF_VDIV) {
			/* Supported volts/div values */
			printf("    %s", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group,
					SR_CONF_VDIV, &gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}
			printf(" - supported volts/div:\n");
			num_elements = g_variant_n_children(gvar_list);
			for (i = 0; i < num_elements; i++) {
				gvar = g_variant_get_child_value(gvar_list, i);
				g_variant_get(gvar, "(tt)", &p, &q);
				s = sr_voltage_string(p, q);
				printf("      %s\n", s);
				g_free(s);
			}
			g_variant_unref(gvar_list);

		} else if (srci->datatype == SR_T_CHAR) {
			printf("    %s: ", srci->id);
			if (sr_config_get(sdi->driver, sdi, channel_group, srci->key,
					&gvar) == SR_OK) {
				tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
				g_variant_unref(gvar);
			} else
				tmp_str = NULL;

			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar) != SR_OK) {
				printf("\n");
				continue;
			}

			stropts = g_variant_get_strv(gvar, &num_elements);
			for (i = 0; i < num_elements; i++) {
				if (i)
					printf(", ");
				printf("%s", stropts[i]);
				if (tmp_str && !strcmp(tmp_str, stropts[i]))
					printf(" (current)");
			}
			printf("\n");
			g_free(stropts);
			g_free(tmp_str);
			g_variant_unref(gvar);

		} else if (srci->datatype == SR_T_UINT64_RANGE) {
			printf("    %s: ", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}

			if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
				g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
				g_variant_unref(gvar);
			} else {
				cur_low = 0;
				cur_high = 0;
			}

			num_elements = g_variant_n_children(gvar_list);
			for (i = 0; i < num_elements; i++) {
				gvar = g_variant_get_child_value(gvar_list, i);
				g_variant_get(gvar, "(tt)", &low, &high);
				g_variant_unref(gvar);
				if (i)
					printf(", ");
				printf("%"PRIu64"-%"PRIu64, low, high);
				if (low == cur_low && high == cur_high)
					printf(" (current)");
			}
			printf("\n");
			g_variant_unref(gvar_list);

		} else if (srci->datatype == SR_T_BOOL) {
			printf("    %s: ", srci->id);
			if (sr_config_get(sdi->driver, sdi, NULL, srci->key,
					&gvar) == SR_OK) {
				if (g_variant_get_boolean(gvar))
					printf("on (current), off\n");
				else
					printf("on, off (current)\n");
				g_variant_unref(gvar);
			} else
				printf("on, off\n");

		} else if (srci->datatype == SR_T_DOUBLE_RANGE) {
			printf("    %s: ", srci->id);
			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}

			if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
				g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
				g_variant_unref(gvar);
			} else {
				dcur_low = 0;
				dcur_high = 0;
			}

			num_elements = g_variant_n_children(gvar_list);
			for (i = 0; i < num_elements; i++) {
				gvar = g_variant_get_child_value(gvar_list, i);
				g_variant_get(gvar, "(dd)", &dlow, &dhigh);
				g_variant_unref(gvar);
				if (i)
					printf(", ");
				printf("%.1f-%.1f", dlow, dhigh);
				if (dlow == dcur_low && dhigh == dcur_high)
					printf(" (current)");
			}
			printf("\n");
			g_variant_unref(gvar_list);

		} else {

			/* Everything else */
			printf("    %s\n", srci->id);
		}
	}
	g_variant_unref(gvar_opts);

	sr_dev_close(sdi);
	g_slist_free(devices);

}

#ifdef HAVE_SRD
void show_pd_detail(void)
{
	GSList *l, *ll, *ol;
	struct srd_decoder *dec;
	struct srd_decoder_option *o;
	char **pdtokens, **pdtok, *optsep, **ann, *val, *doc;
	struct srd_channel *pdch;
	struct srd_decoder_annotation_row *r;

	pdtokens = g_strsplit(opt_pds, ",", -1);
	for (pdtok = pdtokens; *pdtok; pdtok++) {
		/* Strip options. */
		if ((optsep = strchr(*pdtok, ':')))
			*optsep = '\0';
		if (!(dec = srd_decoder_get_by_id(*pdtok))) {
			g_critical("Protocol decoder %s not found.", *pdtok);
			return;
		}
		printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
				dec->id, dec->name, dec->longname, dec->desc);
		printf("License: %s\n", dec->license);
		printf("Annotation classes:\n");
		if (dec->annotations) {
			for (l = dec->annotations; l; l = l->next) {
				ann = l->data;
				printf("- %s: %s\n", ann[0], ann[1]);
			}
		} else {
			printf("None.\n");
		}
		printf("Annotation rows:\n");
		if (dec->annotation_rows) {
			for (l = dec->annotation_rows; l; l = l->next) {
				r = l->data;
				printf("- %s (%s): ", r->id, r->desc);
				for (ll = r->ann_classes; ll; ll = ll->next)
					printf("%d ", GPOINTER_TO_INT(ll->data));
				printf("\n");
			}
		} else {
			printf("None.\n");
		}
		printf("Required channels:\n");
		if (dec->channels) {
			for (l = dec->channels; l; l = l->next) {
				pdch = l->data;
				printf("- %s (%s): %s\n",
				       pdch->id, pdch->name, pdch->desc);
			}
		} else {
			printf("None.\n");
		}
		printf("Optional channels:\n");
		if (dec->opt_channels) {
			for (l = dec->opt_channels; l; l = l->next) {
				pdch = l->data;
				printf("- %s (%s): %s\n",
				       pdch->id, pdch->name, pdch->desc);
			}
		} else {
			printf("None.\n");
		}
		printf("Options:\n");
		if (dec->options) {
			for (l = dec->options; l; l = l->next) {
				o = l->data;
				printf("- %s: %s (", o->id, o->desc);
				for (ol = o->values; ol; ol = ol->next) {
					val = g_variant_print(ol->data, FALSE);
					printf("%s, ", val);
					g_free(val);
				}
				val = g_variant_print(o->def, FALSE);
				printf("default %s)\n", val);
				g_free(val);
			}
		} else {
			printf("None.\n");
		}
		if ((doc = srd_decoder_doc_get(dec))) {
			printf("Documentation:\n%s\n",
			       doc[0] == '\n' ? doc + 1 : doc);
			g_free(doc);
		}
	}

	g_strfreev(pdtokens);
}
#endif
Commit	Line	Data
2be182e6 BV	1	/*
	2	* This file is part of the sigrok-cli project.
	3	*
	4	* Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
20fb52e0	20	#include "sigrok-cli.h"
2be182e6	21	#include <glib.h>
55de58a2	22	#include <string.h>
2be182e6 BV	23
	24	extern gint opt_loglevel;
	25	extern gchar *opt_pds;
	26
37e4fcd4 BV	27	static gint sort_inputs(gconstpointer a, gconstpointer b)
	28	{
	29	const struct sr_input_format ia = a, ib = b;
	30
	31	return strcmp(ia->id, ib->id);
	32	}
	33
	34	static gint sort_outputs(gconstpointer a, gconstpointer b)
	35	{
	36	const struct sr_output_format oa = a, ob = b;
	37
	38	return strcmp(oa->id, ob->id);
	39	}
	40
	41	static gint sort_drivers(gconstpointer a, gconstpointer b)
	42	{
	43	const struct sr_dev_driver sdda = a, sddb = b;
	44
	45	return strcmp(sdda->name, sddb->name);
	46	}
	47
	48	static gint sort_pds(gconstpointer a, gconstpointer b)
	49	{
	50	const struct srd_decoder sda = a, sdb = b;
	51
	52	return strcmp(sda->id, sdb->id);
	53	}
	54
2be182e6 BV	55	void show_version(void)
2be182e6 BV	56	{
37e4fcd4 BV	57	struct sr_dev_driver *drivers, driver;
	58	struct sr_input_format *inputs, input;
	59	struct sr_output_format *outputs, output;
	60	const GSList *l;
	61	GSList *sl;
2be182e6 BV	62	int i;
	63	#ifdef HAVE_SRD
	64	struct srd_decoder *dec;
2be182e6 BV	65	#endif
	66
	67	printf("sigrok-cli %s\n\n", VERSION);
	68
	69	printf("Using libsigrok %s (lib version %s).\n",
	70	sr_package_version_string_get(), sr_lib_version_string_get());
	71	#ifdef HAVE_SRD
	72	printf("Using libsigrokdecode %s (lib version %s).\n\n",
	73	srd_package_version_string_get(), srd_lib_version_string_get());
	74	#endif
	75
	76	printf("Supported hardware drivers:\n");
	77	drivers = sr_driver_list();
37e4fcd4 BV	78	for (sl = NULL, i = 0; drivers[i]; i++)
	79	sl = g_slist_append(sl, drivers[i]);
	80	sl = g_slist_sort(sl, sort_drivers);
	81	for (l = sl; l; l = l->next) {
	82	driver = l->data;
	83	printf(" %-20s %s\n", driver->name, driver->longname);
2be182e6 BV	84	}
2be182e6 BV	85	printf("\n");
37e4fcd4	86	g_slist_free(sl);
2be182e6 BV	87
	88	printf("Supported input formats:\n");
	89	inputs = sr_input_list();
37e4fcd4 BV	90	for (sl = NULL, i = 0; inputs[i]; i++)
	91	sl = g_slist_append(sl, inputs[i]);
	92	sl = g_slist_sort(sl, sort_inputs);
	93	for (l = sl; l; l = l->next) {
	94	input = l->data;
	95	printf(" %-20s %s\n", input->id, input->description);
	96	}
2be182e6	97	printf("\n");
37e4fcd4	98	g_slist_free(sl);
2be182e6 BV	99
	100	printf("Supported output formats:\n");
	101	outputs = sr_output_list();
37e4fcd4 BV	102	for (sl = NULL, i = 0; outputs[i]; i++)
	103	sl = g_slist_append(sl, outputs[i]);
	104	sl = g_slist_sort(sl, sort_outputs);
	105	for (l = sl; l; l = l->next) {
	106	output = l->data;
	107	printf(" %-20s %s\n", output->id, output->description);
	108	}
2be182e6	109	printf("\n");
37e4fcd4	110	g_slist_free(sl);
2be182e6 BV	111
	112	#ifdef HAVE_SRD
	113	if (srd_init(NULL) == SRD_OK) {
	114	printf("Supported protocol decoders:\n");
	115	srd_decoder_load_all();
37e4fcd4 BV	116	sl = g_slist_copy((GSList *)srd_decoder_list());
	117	sl = g_slist_sort(sl, sort_pds);
	118	for (l = sl; l; l = l->next) {
2be182e6 BV	119	dec = l->data;
	120	printf(" %-20s %s\n", dec->id, dec->longname);
	121	/* Print protocol description upon "-l 3" or higher. */
	122	if (opt_loglevel >= SR_LOG_INFO)
	123	printf(" %-20s %s\n", "", dec->desc);
	124	}
37e4fcd4	125	g_slist_free(sl);
2be182e6 BV	126	srd_exit();
	127	}
	128	printf("\n");
	129	#endif
	130	}
	131
029d73fe	132	static gint sort_channels(gconstpointer a, gconstpointer b)
dd2f206a	133	{
029d73fe	134	const struct sr_channel pa = a, pb = b;
dd2f206a BV	135
	136	return pa->index - pb->index;
	137	}
	138
2be182e6 BV	139	static void print_dev_line(const struct sr_dev_inst *sdi)
2be182e6 BV	140	{
029d73fe	141	struct sr_channel *ch;
dd2f206a	142	GSList sl, l;
2be182e6 BV	143	GString *s;
	144	GVariant *gvar;
	145
	146	s = g_string_sized_new(128);
	147	g_string_assign(s, sdi->driver->name);
	148	if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_CONN, &gvar) == SR_OK) {
	149	g_string_append(s, ":conn=");
	150	g_string_append(s, g_variant_get_string(gvar, NULL));
	151	g_variant_unref(gvar);
	152	}
	153	g_string_append(s, " - ");
	154	if (sdi->vendor && sdi->vendor[0])
	155	g_string_append_printf(s, "%s ", sdi->vendor);
	156	if (sdi->model && sdi->model[0])
	157	g_string_append_printf(s, "%s ", sdi->model);
	158	if (sdi->version && sdi->version[0])
	159	g_string_append_printf(s, "%s ", sdi->version);
029d73fe UH	160	if (sdi->channels) {
	161	if (g_slist_length(sdi->channels) == 1) {
	162	ch = sdi->channels->data;
	163	g_string_append_printf(s, "with 1 channel: %s", ch->name);
2be182e6	164	} else {
029d73fe UH	165	sl = g_slist_sort(g_slist_copy(sdi->channels), sort_channels);
029d73fe UH	166	g_string_append_printf(s, "with %d channels:", g_slist_length(sl));
dd2f206a	167	for (l = sl; l; l = l->next) {
029d73fe UH	168	ch = l->data;
029d73fe UH	169	g_string_append_printf(s, " %s", ch->name);
2be182e6	170	}
dd2f206a	171	g_slist_free(sl);
2be182e6 BV	172	}
	173	}
	174	g_string_append_printf(s, "\n");
	175	printf("%s", s->str);
	176	g_string_free(s, TRUE);
	177
	178	}
	179
	180	void show_dev_list(void)
	181	{
	182	struct sr_dev_inst *sdi;
	183	GSList devices, l;
	184
	185	if (!(devices = device_scan()))
	186	return;
	187
	188	printf("The following devices were found:\n");
	189	for (l = devices; l; l = l->next) {
	190	sdi = l->data;
	191	print_dev_line(sdi);
	192	}
	193	g_slist_free(devices);
	194
	195	}
	196
	197	void show_dev_detail(void)
	198	{
	199	struct sr_dev_inst *sdi;
	200	const struct sr_config_info *srci;
029d73fe	201	struct sr_channel *ch;
ca50f4b3	202	struct sr_channel_group channel_group, cg;
029d73fe	203	GSList devices, cgl, *chl;
2be182e6 BV	204	GVariant gvar_opts, gvar_dict, gvar_list, gvar;
2be182e6 BV	205	gsize num_opts, num_elements;
426d0cda	206	double dlow, dhigh, dcur_low, dcur_high;
2be182e6 BV	207	const uint64_t *uint64, p, q, low, high;
	208	uint64_t cur_low, cur_high;
	209	const int32_t *opts;
	210	unsigned int num_devices, o, i;
	211	char *tmp_str;
	212	char *s;
	213	const char charopts, *stropts;
	214
	215	if (!(devices = device_scan())) {
	216	g_critical("No devices found.");
	217	return;
	218	}
	219
	220	num_devices = g_slist_length(devices);
	221	if (num_devices > 1) {
	222	g_critical("%d devices found. Use --scan to show them, "
	223	"and select one to show.", num_devices);
	224	return;
	225	}
	226
	227	sdi = devices->data;
	228	print_dev_line(sdi);
	229
	230	if (sr_dev_open(sdi) != SR_OK) {
	231	g_critical("Failed to open device.");
	232	return;
	233	}
	234
	235	if ((sr_config_list(sdi->driver, NULL, NULL, SR_CONF_SCAN_OPTIONS,
	236	&gvar_opts) == SR_OK)) {
	237	opts = g_variant_get_fixed_array(gvar_opts, &num_elements,
	238	sizeof(int32_t));
	239	printf("Supported driver options:\n");
	240	for (i = 0; i < num_elements; i++) {
	241	if (!(srci = sr_config_info_get(opts[i])))
	242	continue;
	243	printf(" %s\n", srci->id);
	244	}
	245	g_variant_unref(gvar_opts);
	246	}
	247
ca50f4b3	248	/* Selected channels and channel group may affect which options are
02c65935	249	* returned, or which values for them. */
029d73fe	250	select_channels(sdi);
ca50f4b3	251	channel_group = select_channel_group(sdi);
02c65935	252
ca50f4b3	253	if ((sr_config_list(sdi->driver, sdi, channel_group, SR_CONF_DEVICE_OPTIONS,
2be182e6 BV	254	&gvar_opts)) != SR_OK)
	255	/* Driver supports no device instance options. */
	256	return;
	257
ca50f4b3 UH	258	if (sdi->channel_groups) {
	259	printf("Channel groups:\n");
	260	for (cgl = sdi->channel_groups; cgl; cgl = cgl->next) {
	261	cg = cgl->data;
	262	printf(" %s: channel%s", cg->name,
	263	g_slist_length(cg->channels) > 1 ? "s" : "");
029d73fe UH	264	for (chl = cg->channels; chl; chl = chl->next) {
	265	ch = chl->data;
	266	printf(" %s", ch->name);
2be182e6 BV	267	}
	268	printf("\n");
	269	}
	270	}
	271
	272	printf("Supported configuration options");
ca50f4b3 UH	273	if (sdi->channel_groups) {
	274	if (!channel_group)
	275	printf(" across all channel groups");
2be182e6	276	else
ca50f4b3	277	printf(" on channel group %s", channel_group->name);
2be182e6 BV	278	}
	279	printf(":\n");
	280	opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(int32_t));
	281	for (o = 0; o < num_opts; o++) {
	282	if (!(srci = sr_config_info_get(opts[o])))
	283	continue;
	284
	285	if (srci->key == SR_CONF_TRIGGER_TYPE) {
ca50f4b3	286	if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
2be182e6 BV	287	&gvar) != SR_OK) {
	288	printf("\n");
	289	continue;
	290	}
	291	charopts = g_variant_get_string(gvar, NULL);
	292	printf(" Supported triggers: ");
	293	while (*charopts) {
	294	printf("%c ", *charopts);
	295	charopts++;
	296	}
	297	printf("\n");
	298	g_variant_unref(gvar);
	299
02c65935 BV	300	} else if (srci->key == SR_CONF_LIMIT_SAMPLES) {
	301	/* If implemented in config_list(), this denotes the
	302	* maximum number of samples a device can send. This
	303	* really applies only to logic analyzers, and then
	304	* only to those that don't support compression, or
	305	* have it turned off by default. The values returned
	306	* are the low/high limits. */
ca50f4b3	307	if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
02c65935 BV	308	&gvar) != SR_OK) {
	309	continue;
	310	}
	311	g_variant_get(gvar, "(tt)", &low, &high);
	312	g_variant_unref(gvar);
	313	printf(" Maximum number of samples: %"PRIu64"\n", high);
	314
2be182e6 BV	315	} else if (srci->key == SR_CONF_SAMPLERATE) {
	316	/* Supported samplerates */
	317	printf(" %s", srci->id);
ca50f4b3	318	if (sr_config_list(sdi->driver, sdi, channel_group, SR_CONF_SAMPLERATE,
2be182e6 BV	319	&gvar_dict) != SR_OK) {
	320	printf("\n");
	321	continue;
	322	}
	323	if ((gvar_list = g_variant_lookup_value(gvar_dict,
	324	"samplerates", G_VARIANT_TYPE("at")))) {
	325	uint64 = g_variant_get_fixed_array(gvar_list,
	326	&num_elements, sizeof(uint64_t));
	327	printf(" - supported samplerates:\n");
	328	for (i = 0; i < num_elements; i++) {
	329	if (!(s = sr_samplerate_string(uint64[i])))
	330	continue;
	331	printf(" %s\n", s);
	332	g_free(s);
	333	}
	334	g_variant_unref(gvar_list);
	335	} else if ((gvar_list = g_variant_lookup_value(gvar_dict,
	336	"samplerate-steps", G_VARIANT_TYPE("at")))) {
	337	uint64 = g_variant_get_fixed_array(gvar_list,
	338	&num_elements, sizeof(uint64_t));
	339	/* low */
	340	if (!(s = sr_samplerate_string(uint64[0])))
	341	continue;
	342	printf(" (%s", s);
	343	g_free(s);
	344	/* high */
	345	if (!(s = sr_samplerate_string(uint64[1])))
	346	continue;
	347	printf(" - %s", s);
	348	g_free(s);
	349	/* step */
	350	if (!(s = sr_samplerate_string(uint64[2])))
	351	continue;
	352	printf(" in steps of %s)\n", s);
	353	g_free(s);
	354	g_variant_unref(gvar_list);
	355	}
	356	g_variant_unref(gvar_dict);
	357
	358	} else if (srci->key == SR_CONF_BUFFERSIZE) {
	359	/* Supported buffer sizes */
	360	printf(" %s", srci->id);
ca50f4b3	361	if (sr_config_list(sdi->driver, sdi, channel_group,
2be182e6 BV	362	SR_CONF_BUFFERSIZE, &gvar_list) != SR_OK) {
	363	printf("\n");
	364	continue;
	365	}
	366	uint64 = g_variant_get_fixed_array(gvar_list,
	367	&num_elements, sizeof(uint64_t));
	368	printf(" - supported buffer sizes:\n");
	369	for (i = 0; i < num_elements; i++)
	370	printf(" %"PRIu64"\n", uint64[i]);
	371	g_variant_unref(gvar_list);
	372
	373	} else if (srci->key == SR_CONF_TIMEBASE) {
	374	/* Supported time bases */
	375	printf(" %s", srci->id);
ca50f4b3	376	if (sr_config_list(sdi->driver, sdi, channel_group,
2be182e6 BV	377	SR_CONF_TIMEBASE, &gvar_list) != SR_OK) {
	378	printf("\n");
	379	continue;
	380	}
	381	printf(" - supported time bases:\n");
	382	num_elements = g_variant_n_children(gvar_list);
	383	for (i = 0; i < num_elements; i++) {
	384	gvar = g_variant_get_child_value(gvar_list, i);
	385	g_variant_get(gvar, "(tt)", &p, &q);
	386	s = sr_period_string(p * q);
	387	printf(" %s\n", s);
	388	g_free(s);
	389	}
	390	g_variant_unref(gvar_list);
	391
	392	} else if (srci->key == SR_CONF_VDIV) {
	393	/* Supported volts/div values */
	394	printf(" %s", srci->id);
ca50f4b3	395	if (sr_config_list(sdi->driver, sdi, channel_group,
2be182e6 BV	396	SR_CONF_VDIV, &gvar_list) != SR_OK) {
	397	printf("\n");
	398	continue;
	399	}
	400	printf(" - supported volts/div:\n");
	401	num_elements = g_variant_n_children(gvar_list);
	402	for (i = 0; i < num_elements; i++) {
	403	gvar = g_variant_get_child_value(gvar_list, i);
	404	g_variant_get(gvar, "(tt)", &p, &q);
	405	s = sr_voltage_string(p, q);
	406	printf(" %s\n", s);
	407	g_free(s);
	408	}
	409	g_variant_unref(gvar_list);
	410
	411	} else if (srci->datatype == SR_T_CHAR) {
	412	printf(" %s: ", srci->id);
ca50f4b3	413	if (sr_config_get(sdi->driver, sdi, channel_group, srci->key,
2be182e6 BV	414	&gvar) == SR_OK) {
	415	tmp_str = g_strdup(g_variant_get_string(gvar, NULL));
	416	g_variant_unref(gvar);
	417	} else
	418	tmp_str = NULL;
	419
ca50f4b3	420	if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
2be182e6 BV	421	&gvar) != SR_OK) {
	422	printf("\n");
	423	continue;
	424	}
	425
	426	stropts = g_variant_get_strv(gvar, &num_elements);
	427	for (i = 0; i < num_elements; i++) {
	428	if (i)
	429	printf(", ");
	430	printf("%s", stropts[i]);
	431	if (tmp_str && !strcmp(tmp_str, stropts[i]))
	432	printf(" (current)");
	433	}
	434	printf("\n");
	435	g_free(stropts);
	436	g_free(tmp_str);
	437	g_variant_unref(gvar);
	438
	439	} else if (srci->datatype == SR_T_UINT64_RANGE) {
	440	printf(" %s: ", srci->id);
ca50f4b3	441	if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
2be182e6 BV	442	&gvar_list) != SR_OK) {
	443	printf("\n");
	444	continue;
	445	}
	446
	447	if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
	448	g_variant_get(gvar, "(tt)", &cur_low, &cur_high);
	449	g_variant_unref(gvar);
	450	} else {
	451	cur_low = 0;
	452	cur_high = 0;
	453	}
	454
	455	num_elements = g_variant_n_children(gvar_list);
	456	for (i = 0; i < num_elements; i++) {
	457	gvar = g_variant_get_child_value(gvar_list, i);
	458	g_variant_get(gvar, "(tt)", &low, &high);
	459	g_variant_unref(gvar);
	460	if (i)
	461	printf(", ");
	462	printf("%"PRIu64"-%"PRIu64, low, high);
	463	if (low == cur_low && high == cur_high)
	464	printf(" (current)");
	465	}
	466	printf("\n");
	467	g_variant_unref(gvar_list);
	468
	469	} else if (srci->datatype == SR_T_BOOL) {
	470	printf(" %s: ", srci->id);
	471	if (sr_config_get(sdi->driver, sdi, NULL, srci->key,
	472	&gvar) == SR_OK) {
	473	if (g_variant_get_boolean(gvar))
	474	printf("on (current), off\n");
	475	else
	476	printf("on, off (current)\n");
	477	g_variant_unref(gvar);
	478	} else
	479	printf("on, off\n");
	480
426d0cda BV	481	} else if (srci->datatype == SR_T_DOUBLE_RANGE) {
426d0cda BV	482	printf(" %s: ", srci->id);
029d73fe	483	if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
426d0cda BV	484	&gvar_list) != SR_OK) {
	485	printf("\n");
	486	continue;
	487	}
	488
	489	if (sr_config_get(sdi->driver, sdi, NULL, srci->key, &gvar) == SR_OK) {
	490	g_variant_get(gvar, "(dd)", &dcur_low, &dcur_high);
	491	g_variant_unref(gvar);
	492	} else {
	493	dcur_low = 0;
	494	dcur_high = 0;
	495	}
	496
	497	num_elements = g_variant_n_children(gvar_list);
	498	for (i = 0; i < num_elements; i++) {
	499	gvar = g_variant_get_child_value(gvar_list, i);
	500	g_variant_get(gvar, "(dd)", &dlow, &dhigh);
	501	g_variant_unref(gvar);
	502	if (i)
	503	printf(", ");
	504	printf("%.1f-%.1f", dlow, dhigh);
	505	if (dlow == dcur_low && dhigh == dcur_high)
	506	printf(" (current)");
	507	}
	508	printf("\n");
	509	g_variant_unref(gvar_list);
	510
2be182e6 BV	511	} else {
	512
	513	/* Everything else */
	514	printf(" %s\n", srci->id);
	515	}
	516	}
	517	g_variant_unref(gvar_opts);
	518
	519	sr_dev_close(sdi);
	520	g_slist_free(devices);
	521
	522	}
	523
	524	#ifdef HAVE_SRD
	525	void show_pd_detail(void)
	526	{
f2e82732	527	GSList l, ll, *ol;
2be182e6 BV	528	struct srd_decoder *dec;
	529	struct srd_decoder_option *o;
	530	char pdtokens, pdtok, optsep, ann, val, *doc;
3dfbfbc8	531	struct srd_channel *pdch;
1eb46be8	532	struct srd_decoder_annotation_row *r;
2be182e6 BV	533
	534	pdtokens = g_strsplit(opt_pds, ",", -1);
	535	for (pdtok = pdtokens; *pdtok; pdtok++) {
	536	/* Strip options. */
	537	if ((optsep = strchr(*pdtok, ':')))
	538	*optsep = '\0';
	539	if (!(dec = srd_decoder_get_by_id(*pdtok))) {
	540	g_critical("Protocol decoder %s not found.", *pdtok);
	541	return;
	542	}
	543	printf("ID: %s\nName: %s\nLong name: %s\nDescription: %s\n",
	544	dec->id, dec->name, dec->longname, dec->desc);
	545	printf("License: %s\n", dec->license);
b39f3a1a	546	printf("Annotation classes:\n");
2be182e6 BV	547	if (dec->annotations) {
	548	for (l = dec->annotations; l; l = l->next) {
	549	ann = l->data;
b39f3a1a	550	printf("- %s: %s\n", ann[0], ann[1]);
2be182e6 BV	551	}
	552	} else {
	553	printf("None.\n");
	554	}
1eb46be8 UH	555	printf("Annotation rows:\n");
	556	if (dec->annotation_rows) {
	557	for (l = dec->annotation_rows; l; l = l->next) {
	558	r = l->data;
b39f3a1a	559	printf("- %s (%s): ", r->id, r->desc);
1eb46be8 UH	560	for (ll = r->ann_classes; ll; ll = ll->next)
	561	printf("%d ", GPOINTER_TO_INT(ll->data));
	562	printf("\n");
	563	}
	564	} else {
	565	printf("None.\n");
	566	}
3dfbfbc8 UH	567	printf("Required channels:\n");
	568	if (dec->channels) {
	569	for (l = dec->channels; l; l = l->next) {
	570	pdch = l->data;
2be182e6	571	printf("- %s (%s): %s\n",
3dfbfbc8	572	pdch->id, pdch->name, pdch->desc);
2be182e6 BV	573	}
	574	} else {
	575	printf("None.\n");
	576	}
3dfbfbc8 UH	577	printf("Optional channels:\n");
	578	if (dec->opt_channels) {
	579	for (l = dec->opt_channels; l; l = l->next) {
	580	pdch = l->data;
2be182e6	581	printf("- %s (%s): %s\n",
3dfbfbc8	582	pdch->id, pdch->name, pdch->desc);
2be182e6 BV	583	}
	584	} else {
	585	printf("None.\n");
	586	}
1eb46be8	587	printf("Options:\n");
2be182e6	588	if (dec->options) {
2be182e6 BV	589	for (l = dec->options; l; l = l->next) {
2be182e6 BV	590	o = l->data;
f2e82732 BV	591	printf("- %s: %s (", o->id, o->desc);
	592	for (ol = o->values; ol; ol = ol->next) {
	593	val = g_variant_print(ol->data, FALSE);
	594	printf("%s, ", val);
	595	g_free(val);
	596	}
2be182e6	597	val = g_variant_print(o->def, FALSE);
f2e82732	598	printf("default %s)\n", val);
2be182e6 BV	599	g_free(val);
2be182e6 BV	600	}
1eb46be8 UH	601	} else {
1eb46be8 UH	602	printf("None.\n");
2be182e6 BV	603	}
	604	if ((doc = srd_decoder_doc_get(dec))) {
	605	printf("Documentation:\n%s\n",
	606	doc[0] == '\n' ? doc + 1 : doc);
	607	g_free(doc);
	608	}
	609	}
	610
	611	g_strfreev(pdtokens);
	612	}
	613	#endif
	614