Пример #1
0
gboolean config_key_has_cap(struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
		uint32_t key, uint32_t capability)
{
	GVariant *gvar_opts;
	const uint32_t *opts;
	gsize num_opts, i;
	gboolean result;

	if (sr_config_list(driver, sdi, cg, SR_CONF_DEVICE_OPTIONS,
			&gvar_opts) != SR_OK)
		return FALSE;

	opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
	result = FALSE;
	for (i = 0; i < num_opts; i++) {
		if ((opts[i] & SR_CONF_MASK) == key) {
			if ((opts[i] & capability) == capability)
				result = TRUE;
			else
				result = FALSE;
			break;
		}
	}
	g_variant_unref(gvar_opts);

	return result;
}
Пример #2
0
int maybe_config_list(struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, struct sr_channel_group *cg,
		uint32_t key, GVariant **gvar)
{
	if (config_key_has_cap(driver, sdi, cg, key, SR_CONF_LIST))
		return sr_config_list(driver, sdi, cg, key, gvar);

	return SR_ERR_NA;
}
Пример #3
0
GVariant* DevInst::list_config(const sr_probe_group *group, int key)
{
	GVariant *data = NULL;
	assert(_owner);
	sr_dev_inst *const sdi = dev_inst();
	assert(sdi);
	if (sr_config_list(sdi->driver, sdi, group, key, &data) != SR_OK)
		return NULL;
	return data;
}
Пример #4
0
static int check_options(struct sr_dev_driver *driver, GSList *options,
		uint32_t optlist_key, struct sr_dev_inst *sdi,
		struct sr_channel_group *cg)
{
	struct sr_config *src;
	const struct sr_key_info *srci;
	GVariant *gvar_opts;
	GSList *l;
	const uint32_t *opts;
	gsize num_opts, i;
	int ret;

	if (sr_config_list(driver, sdi, cg, optlist_key, &gvar_opts) != SR_OK) {
		/* Driver publishes no options for this optlist. */
		return SR_ERR;
	}

	ret = SR_OK;
	opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
	for (l = options; l; l = l->next) {
		src = l->data;
		for (i = 0; i < num_opts; i++) {
			if (opts[i] == src->key)
				break;
		}
		if (i == num_opts) {
			if (!(srci = sr_key_info_get(SR_KEY_CONFIG, src->key)))
				/* Shouldn't happen. */
				sr_err("Invalid option %d.", src->key);
			else
				sr_err("Invalid option '%s'.", srci->id);
			ret = SR_ERR_ARG;
			break;
		}
		if (sr_variant_type_check(src->key, src->data) != SR_OK) {
			ret = SR_ERR_ARG;
			break;
		}
	}
	g_variant_unref(gvar_opts);

	return ret;
}
Пример #5
0
/**
 * Enumerate scan options supported by this driver.
 *
 * Before calling sr_driver_scan_options_list(), the user must have previously
 * initialized the driver by calling sr_driver_init().
 *
 * @param driver The driver to enumerate options for. This must be a pointer
 *               to one of the entries returned by sr_driver_list(). Must not
 *               be NULL.
 *
 * @return A GArray * of uint32_t entries, or NULL on invalid arguments. Each
 *         entry is a configuration key that is supported as a scan option.
 *         The array must be freed by the caller using g_array_free().
 *
 * @since 0.4.0
 */
SR_API GArray *sr_driver_scan_options_list(const struct sr_dev_driver *driver)
{
	GVariant *gvar;
	const uint32_t *opts;
	gsize num_opts;
	GArray *result;

	if (sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS, &gvar) != SR_OK)
		return NULL;

	opts = g_variant_get_fixed_array(gvar, &num_opts, sizeof(uint32_t));

	result = g_array_sized_new(FALSE, FALSE, sizeof(uint32_t), num_opts);

	g_array_insert_vals(result, 0, opts, num_opts);

	g_variant_unref(gvar);

	return result;
}
Пример #6
0
DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) :
	_sdi(sdi)
{
	GVariant *gvar_opts, *gvar_list;
	gsize num_opts;

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

	const int *const options = (const int32_t *)g_variant_get_fixed_array(
		gvar_opts, &num_opts, sizeof(int32_t));
	for (unsigned int i = 0; i < num_opts; i++) {
		const struct sr_config_info *const info =
			sr_config_info_get(options[i]);

		if (!info)
			continue;

		const int key = info->key;

		if(sr_config_list(_sdi->driver, key, &gvar_list, _sdi) != SR_OK)
			gvar_list = NULL;

		const QString name(info->name);

		switch(key)
		{
		case SR_CONF_SAMPLERATE:
			bind_samplerate(name, gvar_list);
			break;

		case SR_CONF_CAPTURE_RATIO:
			bind_int(name, key, "%", pair<int64_t, int64_t>(0, 100));
			break;

        case SR_CONF_DEVICE_MODE:
		case SR_CONF_PATTERN_MODE:
		case SR_CONF_BUFFERSIZE:
		case SR_CONF_TRIGGER_SOURCE:
		case SR_CONF_FILTER:
		case SR_CONF_COUPLING:
			bind_enum(name, key, gvar_list);
			break;

		case SR_CONF_RLE:
			bind_bool(name, key);
			break;

        case SR_CONF_CLOCK_TYPE:
            bind_bool(name, key);
            break;

		case SR_CONF_TIMEBASE:
			bind_enum(name, key, gvar_list, print_timebase);
			break;

		case SR_CONF_VDIV:
			bind_enum(name, key, gvar_list, print_vdiv);
			break;
		}

		if (gvar_list)
			g_variant_unref(gvar_list);
	}
	g_variant_unref(gvar_opts);
}
Пример #7
0
void run_session(void)
{
	GSList *devices;
	GHashTable *devargs;
	GVariant *gvar;
	struct sr_dev_inst *sdi;
	uint64_t min_samples, max_samples;

	devices = device_scan();
	if (!devices) {
		g_critical("No devices found.");
		return;
	}
	if (g_slist_length(devices) > 1) {
		g_critical("sigrok-cli only supports one device for capturing.");
		return;
	}
	sdi = devices->data;

	sr_session_new();
	sr_session_datafeed_callback_add(datafeed_in, NULL);

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

	if (sr_session_dev_add(sdi) != SR_OK) {
		g_critical("Failed to add device to session.");
		sr_session_destroy();
		return;
	}

	if (opt_config) {
		if ((devargs = parse_generic_arg(opt_config, FALSE))) {
			if (set_dev_options(sdi, devargs) != SR_OK)
				return;
			g_hash_table_destroy(devargs);
		}
	}

	if (select_channels(sdi) != SR_OK) {
		g_critical("Failed to set channels.");
		sr_session_destroy();
		return;
	}

	if (opt_triggers) {
		if (!parse_triggerstring(sdi, opt_triggers)) {
			sr_session_destroy();
			return;
		}
	}

	if (opt_continuous) {
		if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) {
			g_critical("This device does not support continuous sampling.");
			sr_session_destroy();
			return;
		}
	}

	if (opt_time) {
		if (set_limit_time(sdi) != SR_OK) {
			sr_session_destroy();
			return;
		}
	}

	if (opt_samples) {
		if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) {
			g_critical("Invalid sample limit '%s'.", opt_samples);
			sr_session_destroy();
			return;
		}
		if (sr_config_list(sdi->driver, sdi, NULL,
				SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) {
			/* The device has no compression, or compression is turned
			 * off, and publishes its sample memory size. */
			g_variant_get(gvar, "(tt)", &min_samples, &max_samples);
			g_variant_unref(gvar);
			if (limit_samples < min_samples) {
				g_critical("The device stores at least %"PRIu64
						" samples with the current settings.", min_samples);
			}
			if (limit_samples > max_samples) {
				g_critical("The device can store only %"PRIu64
						" samples with the current settings.", max_samples);
			}
		}
		gvar = g_variant_new_uint64(limit_samples);
		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) {
			g_critical("Failed to configure sample limit.");
			sr_session_destroy();
			return;
		}
	}

	if (opt_frames) {
		if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) {
			g_critical("Invalid sample limit '%s'.", opt_samples);
			sr_session_destroy();
			return;
		}
		gvar = g_variant_new_uint64(limit_frames);
		if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) {
			g_critical("Failed to configure frame limit.");
			sr_session_destroy();
			return;
		}
	}

	if (sr_session_start() != SR_OK) {
		g_critical("Failed to start session.");
		sr_session_destroy();
		return;
	}

	if (opt_continuous)
		add_anykey();

	sr_session_run();

	if (opt_continuous)
		clear_anykey();

	sr_session_datafeed_callback_remove_all();
	sr_session_destroy();
	g_slist_free(devices);

}
Пример #8
0
DeviceOptions::DeviceOptions(struct sr_dev_inst *sdi) :
	_sdi(sdi)
{
	GVariant *gvar_opts, *gvar_list;
	gsize num_opts;

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

	const int *const options = (const int32_t *)g_variant_get_fixed_array(
		gvar_opts, &num_opts, sizeof(int32_t));
	for (unsigned int i = 0; i < num_opts; i++) {
		const struct sr_config_info *const info =
			sr_config_info_get(options[i]);

		if (!info)
			continue;

		const int key = info->key;

        if(sr_config_list(_sdi->driver, _sdi, NULL, key, &gvar_list) != SR_OK)
			gvar_list = NULL;

        const QString name(info->label);

		switch(key)
		{
		case SR_CONF_SAMPLERATE:
			bind_samplerate(name, gvar_list);
			break;

		case SR_CONF_CAPTURE_RATIO:
			bind_int(name, key, "%", pair<int64_t, int64_t>(0, 100));
			break;

		case SR_CONF_PATTERN_MODE:
		case SR_CONF_BUFFERSIZE:
		case SR_CONF_TRIGGER_SOURCE:
		case SR_CONF_FILTER:
        case SR_CONF_COUPLING:
        case SR_CONF_EN_CH:
        case SR_CONF_OPERATION_MODE:
        case SR_CONF_THRESHOLD:
        case SR_CONF_ZERO:
        case SR_CONF_STREAM:
        case SR_CONF_TEST:
        case SR_CONF_STATUS:
        case SR_CONF_FACTOR:
			bind_enum(name, key, gvar_list);
			break;

        case SR_CONF_VTH:
            bind_double(name, key, "V", pair<double, double>(0.0, 5.0), 1, 0.1);
            break;

		case SR_CONF_RLE:
			bind_bool(name, key);
			break;

        case SR_CONF_CLOCK_TYPE:
        case SR_CONF_CLOCK_EDGE:
        case SR_CONF_INSTANT:
        case SR_CONF_DATALOCK:
            bind_bool(name, key);
            break;

		case SR_CONF_TIMEBASE:
			bind_enum(name, key, gvar_list, print_timebase);
			break;

        case SR_CONF_VDIV:
			bind_enum(name, key, gvar_list, print_vdiv);
            break;
        default:
            gvar_list = NULL;
		}

		if (gvar_list)
			g_variant_unref(gvar_list);
	}
	g_variant_unref(gvar_opts);
}
Пример #9
0
static int check_key(const struct sr_dev_driver *driver,
		const struct sr_dev_inst *sdi, const struct sr_channel_group *cg,
		uint32_t key, int op, GVariant *data)
{
	const struct sr_key_info *srci;
	gsize num_opts, i;
	GVariant *gvar_opts;
	const uint32_t *opts;
	uint32_t pub_opt;
	const char *suffix;
	const char *opstr;

	if (sdi && cg)
		suffix = " for this device and channel group";
	else if (sdi)
		suffix = " for this device";
	else
		suffix = "";

	if (!(srci = sr_key_info_get(SR_KEY_CONFIG, key))) {
		sr_err("Invalid key %d.", key);
		return SR_ERR_ARG;
	}
	opstr = op == SR_CONF_GET ? "get" : op == SR_CONF_SET ? "set" : "list";

	switch (key) {
	case SR_CONF_LIMIT_MSEC:
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_SAMPLERATE:
		/* Setting any of these to 0 is not useful. */
		if (op != SR_CONF_SET || !data)
			break;
		if (g_variant_get_uint64(data) == 0) {
			sr_err("Cannot set '%s' to 0.", srci->id);
			return SR_ERR_ARG;
		}
		break;
	}

	if (sr_config_list(driver, sdi, cg, SR_CONF_DEVICE_OPTIONS, &gvar_opts) != SR_OK) {
		/* Driver publishes no options. */
		sr_err("No options available%s.", suffix);
		return SR_ERR_ARG;
	}
	opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
	pub_opt = 0;
	for (i = 0; i < num_opts; i++) {
		if ((opts[i] & SR_CONF_MASK) == key) {
			pub_opt = opts[i];
			break;
		}
	}
	g_variant_unref(gvar_opts);
	if (!pub_opt) {
		sr_err("Option '%s' not available%s.", srci->id, suffix);
		return SR_ERR_ARG;
	}

	if (!(pub_opt & op)) {
		sr_err("Option '%s' not available to %s%s.", srci->id, opstr, suffix);
		return SR_ERR_ARG;
	}

	return SR_OK;
}
Пример #10
0
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 *int32, *opts;
	unsigned int num_devices, o, i;
	char *tmp_str;
	char *s, c;
	const char **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_MATCH) {
			if (sr_config_list(sdi->driver, sdi, channel_group, srci->key,
					&gvar_list) != SR_OK) {
				printf("\n");
				continue;
			}
			int32 = g_variant_get_fixed_array(gvar_list,
					&num_elements, sizeof(int32_t));
			printf("    Supported triggers: ");
			for (i = 0; i < num_elements; i++) {
				switch(int32[i]) {
				case SR_TRIGGER_ZERO:
					c = '0';
					break;
				case SR_TRIGGER_ONE:
					c = '1';
					break;
				case SR_TRIGGER_RISING:
					c = 'r';
					break;
				case SR_TRIGGER_FALLING:
					c = 'f';
					break;
				case SR_TRIGGER_EDGE:
					c = 'e';
					break;
				case SR_TRIGGER_OVER:
					c = 'o';
					break;
				case SR_TRIGGER_UNDER:
					c = 'u';
					break;
				default:
					c = 0;
					break;
				}
				if (c)
					printf("%c ", c);
			}
			printf("\n");
			g_variant_unref(gvar_list);

		} 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_STRING) {
			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);

}