[libsigrok.git] / src / hardware / scpi-pps / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2014 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 <string.h>
#include "protocol.h"

SR_PRIV struct sr_dev_driver scpi_pps_driver_info;
static struct sr_dev_driver *di = &scpi_pps_driver_info;
extern unsigned int num_pps_profiles;
extern const struct scpi_pps pps_profiles[];

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t devopts_driver[] = {
	SR_CONF_POWER_SUPPLY,
	SR_CONF_CONTINUOUS,
};

static struct pps_channel_instance pci[] = {
	{ SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" },
	{ SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" },
	{ SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" },
};

static int init(struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
	struct dev_context *devc;
	struct sr_dev_inst *sdi;
	struct sr_scpi_hw_info *hw_info;
	struct sr_channel_group *cg;
	struct sr_channel *ch;
	const struct scpi_pps *device;
	struct pps_channel *pch;
	struct channel_spec *channels;
	struct channel_group_spec *channel_groups, *cgs;
	struct pps_channel_group *pcg;
	GRegex *model_re;
	GMatchInfo *model_mi;
	GSList *l;
	uint64_t mask;
	unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j;
	int ret;
	const char *vendor;
	char ch_name[16];

	if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
		sr_info("Couldn't get IDN response.");
		return NULL;
	}

	device = NULL;
	for (i = 0; i < num_pps_profiles; i++) {
		vendor = get_vendor(hw_info->manufacturer);
		if (strcasecmp(vendor, pps_profiles[i].vendor))
			continue;
		model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL);
		if (g_regex_match(model_re, hw_info->model, 0, &model_mi))
			device = &pps_profiles[i];
		g_match_info_unref(model_mi);
		g_regex_unref(model_re);
		if (device)
			break;
	}
	if (!device) {
		sr_scpi_hw_info_free(hw_info);
		return NULL;
	}

	sdi = sr_dev_inst_new(SR_ST_ACTIVE, vendor, hw_info->model,
			hw_info->firmware_version);
	sdi->conn = scpi;
	sdi->driver = di;
	sdi->inst_type = SR_INST_SCPI;
	sdi->serial_num = g_strdup(hw_info->serial_number);

	devc = g_malloc0(sizeof(struct dev_context));
	devc->device = device;
	sdi->priv = devc;

	if (device->num_channels) {
		/* Static channels and groups. */
		channels = device->channels;
		num_channels = device->num_channels;
		channel_groups = device->channel_groups;
		num_channel_groups = device->num_channel_groups;
	} else {
		/* Channels and groups need to be probed. */
		ret = device->probe_channels(sdi, hw_info, &channels, &num_channels,
				&channel_groups, &num_channel_groups);
		if (ret != SR_OK) {
			sr_err("Failed to probe for channels.");
			return NULL;
		}
		/*
		 * Since these were dynamically allocated, we'll need to free them
		 * later.
		 */
		devc->channels = channels;
		devc->channel_groups = channel_groups;
	}

	ch_idx = 0;
	for (ch_num = 0; ch_num < num_channels; ch_num++) {
		/* Create one channel per measurable output unit. */
		for (i = 0; i < ARRAY_SIZE(pci); i++) {
			if (!scpi_cmd_get(sdi, pci[i].command))
				continue;
			g_snprintf(ch_name, 16, "%s%s", pci[i].prefix,
					channels[ch_num].name);
			ch = sr_channel_new(ch_idx++, SR_CHANNEL_ANALOG, TRUE, ch_name);
			pch = g_malloc0(sizeof(struct pps_channel));
			pch->hw_output_idx = ch_num;
			pch->hwname = channels[ch_num].name;
			pch->mq = pci[i].mq;
			ch->priv = pch;
			sdi->channels = g_slist_append(sdi->channels, ch);
		}
	}

	for (i = 0; i < num_channel_groups; i++) {
		cgs = &channel_groups[i];
		cg = g_malloc0(sizeof(struct sr_channel_group));
		cg->name = g_strdup(cgs->name);
		for (j = 0, mask = 1; j < 64; j++, mask <<= 1) {
			if (cgs->channel_index_mask & mask) {
				for (l = sdi->channels; l; l = l->next) {
					ch = l->data;
					pch = ch->priv;
					if (pch->hw_output_idx == j)
						cg->channels = g_slist_append(cg->channels, ch);
				}
			}
		}
		pcg = g_malloc0(sizeof(struct pps_channel_group));
		pcg->features = cgs->features;
		cg->priv = pcg;
		sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
	}

	sr_scpi_hw_info_free(hw_info);
	hw_info = NULL;

	scpi_cmd(sdi, SCPI_CMD_LOCAL);
	sr_scpi_close(scpi);

	return sdi;
}

static GSList *scan(GSList *options)
{
	return sr_scpi_scan(di->priv, options, probe_device);
}

static GSList *dev_list(void)
{
	return ((struct drv_context *)(di->priv))->instances;
}

static int dev_clear(void)
{
	return std_dev_clear(di, NULL);
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct dev_context *devc;
	struct sr_scpi_dev_inst *scpi;
	GVariant *beeper;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR;

	scpi = sdi->conn;
	if (sr_scpi_open(scpi) < 0)
		return SR_ERR;

	sdi->status = SR_ST_ACTIVE;

	scpi_cmd(sdi, SCPI_CMD_REMOTE);
	devc = sdi->priv;
	devc->beeper_was_set = FALSE;
	if (scpi_cmd_resp(sdi, &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
		if (g_variant_get_boolean(beeper)) {
			devc->beeper_was_set = TRUE;
			scpi_cmd(sdi, SCPI_CMD_BEEPER_DISABLE);
		}
		g_variant_unref(beeper);
	}

	return SR_OK;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	struct sr_scpi_dev_inst *scpi;
	struct dev_context *devc;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;
	scpi = sdi->conn;
	if (scpi) {
		if (devc->beeper_was_set)
			scpi_cmd(sdi, SCPI_CMD_BEEPER_ENABLE);
		scpi_cmd(sdi, SCPI_CMD_LOCAL);
		sr_scpi_close(scpi);
		sdi->status = SR_ST_INACTIVE;
	}

	return SR_OK;
}

static void clear_helper(void *priv)
{
	struct dev_context *devc;

	devc = priv;
	g_free(devc->channels);
	g_free(devc->channel_groups);
	g_free(devc);
}

static int cleanup(void)
{
	return std_dev_clear(di, clear_helper);
}

static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	const GVariantType *gvtype;
	unsigned int i;
	int cmd, ret;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	if (cg) {
		/*
		 * These options only apply to channel groups with a single
		 * channel -- they're per-channel settings for the device.
		 */

		/*
		 * Config keys are handled below depending on whether a channel
		 * group was provided by the frontend. However some of these
		 * take a CG on one PPS but not on others. Check the device's
		 * profile for that here, and NULL out the channel group as needed.
		 */
		for (i = 0; i < devc->device->num_devopts; i++) {
			if (devc->device->devopts[i] == key) {
				cg = NULL;
				break;
			}
		}
	}

	gvtype = NULL;
	cmd = -1;
	switch (key) {
	case SR_CONF_OUTPUT_ENABLED:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
		break;
	case SR_CONF_OUTPUT_VOLTAGE:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
		break;
	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
		break;
	case SR_CONF_OUTPUT_CURRENT:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_MEAS_CURRENT;
		break;
	case SR_CONF_OUTPUT_CURRENT_LIMIT:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_CURRENT_LIMIT;
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
		gvtype = G_VARIANT_TYPE_DOUBLE;
		cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
		break;
	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
		gvtype = G_VARIANT_TYPE_BOOLEAN;
		cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
		break;
	case SR_CONF_OUTPUT_REGULATION:
		gvtype = G_VARIANT_TYPE_STRING;
		cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
	}
	if (gvtype) {
		if (cg)
			select_channel(sdi, cg->channels->data);
		ret = scpi_cmd_resp(sdi, data, gvtype, cmd);
	} else
		ret = SR_ERR_NA;

	return ret;
}

static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	double d;
	int ret;

	if (!sdi)
		return SR_ERR_ARG;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	if (cg)
		/* Channel group specified. */
		select_channel(sdi, cg->channels->data);

	ret = SR_OK;
	switch (key) {
	case SR_CONF_OUTPUT_ENABLED:
		if (g_variant_get_boolean(data))
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLE);
		else
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_DISABLE);
		break;
	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
		d = g_variant_get_double(data);
		ret = scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_TARGET, d);
		break;
	case SR_CONF_OUTPUT_CURRENT_LIMIT:
		d = g_variant_get_double(data);
		ret = scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_LIMIT, d);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		if (g_variant_get_boolean(data))
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
		else
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
		d = g_variant_get_double(data);
		ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		if (g_variant_get_boolean(data))
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
		else
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
		d = g_variant_get_double(data);
		ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
		break;
	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
		if (g_variant_get_boolean(data))
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
		else
			ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	struct sr_channel *ch;
	struct channel_spec *ch_spec;
	GVariant *gvar;
	GVariantBuilder gvb;
	int ret, i;
	const char *s[16];

	/* Always available, even without sdi. */
	if (key == SR_CONF_SCAN_OPTIONS) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		return SR_OK;
	} else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts_driver, ARRAY_SIZE(devopts_driver), sizeof(uint32_t));
		return SR_OK;
	}

	if (!sdi)
		return SR_ERR_ARG;
	devc = sdi->priv;

	ret = SR_OK;
	if (!cg) {
		/* No channel group: global options. */
		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					devc->device->devopts, devc->device->num_devopts,
					sizeof(uint32_t));
			break;
		case SR_CONF_OUTPUT_CHANNEL_CONFIG:
			/* Not used. */
			i = 0;
			if (devc->device->features & PPS_INDEPENDENT)
				s[i++] = "Independent";
			if (devc->device->features & PPS_SERIES)
				s[i++] = "Series";
			if (devc->device->features & PPS_PARALLEL)
				s[i++] = "Parallel";
			if (i == 0) {
				/*
				 * Shouldn't happen: independent-only devices
				 * shouldn't advertise this option at all.
				 */
				return SR_ERR_NA;
			}
			*data = g_variant_new_strv(s, i);
			break;
		default:
			return SR_ERR_NA;
		}
	} else {
		/* Channel group specified. */
		/*
		 * Per-channel-group options depending on a channel are actually
		 * done with the first channel. Channel groups in PPS can have
		 * more than one channel, but they will typically be of equal
		 * specification for use in series or parallel mode.
		 */
		ch = cg->channels->data;

		switch (key) {
		case SR_CONF_DEVICE_OPTIONS:
			*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
					devc->device->devopts_cg, devc->device->num_devopts_cg,
					sizeof(uint32_t));
			break;
		case SR_CONF_OUTPUT_VOLTAGE_TARGET:
			ch_spec = &(devc->device->channels[ch->index]);
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			/* Min, max, write resolution. */
			for (i = 0; i < 3; i++) {
				gvar = g_variant_new_double(ch_spec->voltage[i]);
				g_variant_builder_add_value(&gvb, gvar);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		case SR_CONF_OUTPUT_CURRENT_LIMIT:
			g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
			/* Min, max, step. */
			for (i = 0; i < 3; i++) {
				ch_spec = &(devc->device->channels[ch->index]);
				gvar = g_variant_new_double(ch_spec->current[i]);
				g_variant_builder_add_value(&gvb, gvar);
			}
			*data = g_variant_builder_end(&gvb);
			break;
		default:
			return SR_ERR_NA;
		}
	}

	return ret;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi,
		void *cb_data)
{
	struct dev_context *devc;
	struct sr_scpi_dev_inst *scpi;
	struct sr_channel *ch;
	struct pps_channel *pch;
	int cmd, ret;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;
	scpi = sdi->conn;
	devc->cb_data = cb_data;

	if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
			scpi_pps_receive_data, (void *)sdi)) != SR_OK)
		return ret;
	std_session_send_df_header(sdi, LOG_PREFIX);

	/* Prime the pipe with the first channel's fetch. */
	ch = next_enabled_channel(sdi, NULL);
	pch = ch->priv;
	if ((ret = select_channel(sdi, ch)) != SR_OK)
		return ret;
	if (pch->mq == SR_MQ_VOLTAGE)
		cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
	else if (pch->mq == SR_MQ_CURRENT)
		cmd = SCPI_CMD_GET_MEAS_CURRENT;
	else if (pch->mq == SR_MQ_POWER)
		cmd = SCPI_CMD_GET_MEAS_POWER;
	else
		return SR_ERR;
	scpi_cmd(sdi, cmd, pch->hwname);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	struct sr_datafeed_packet packet;
	struct sr_scpi_dev_inst *scpi;
	float f;

	(void)cb_data;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	scpi = sdi->conn;

	/*
	 * A requested value is certainly on the way. Retrieve it now,
	 * to avoid leaving the device in a state where it's not expecting
	 * commands.
	 */
	sr_scpi_get_float(scpi, NULL, &f);
	sr_scpi_source_remove(sdi->session, scpi);

	packet.type = SR_DF_END;
	sr_session_send(sdi, &packet);

	return SR_OK;
}

SR_PRIV struct sr_dev_driver scpi_pps_driver_info = {
	.name = "scpi-pps",
	.longname = "SCPI PPS",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan,
	.dev_list = dev_list,
	.dev_clear = dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = dev_open,
	.dev_close = dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.priv = NULL,
};
Commit	Line	Data
ca1a7cb5 BV	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2014 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
9e45cd41	20	#include <string.h>
ca1a7cb5 BV	21	#include "protocol.h"
	22
	23	SR_PRIV struct sr_dev_driver scpi_pps_driver_info;
	24	static struct sr_dev_driver *di = &scpi_pps_driver_info;
d4eabea8 BV	25	extern unsigned int num_pps_profiles;
d4eabea8 BV	26	extern const struct scpi_pps pps_profiles[];
9e45cd41	27
584560f1	28	static const uint32_t scanopts[] = {
9e45cd41 BV	29	SR_CONF_CONN,
	30	SR_CONF_SERIALCOMM,
	31	};
ca1a7cb5	32
a258204e BV	33	static const uint32_t devopts_driver[] = {
	34	SR_CONF_POWER_SUPPLY,
	35	SR_CONF_CONTINUOUS,
	36	};
	37
01b0257a BV	38	static struct pps_channel_instance pci[] = {
	39	{ SR_MQ_VOLTAGE, SCPI_CMD_GET_MEAS_VOLTAGE, "V" },
	40	{ SR_MQ_CURRENT, SCPI_CMD_GET_MEAS_CURRENT, "I" },
	41	{ SR_MQ_POWER, SCPI_CMD_GET_MEAS_POWER, "P" },
	42	};
	43
ca1a7cb5 BV	44	static int init(struct sr_context *sr_ctx)
	45	{
	46	return std_init(sr_ctx, di, LOG_PREFIX);
	47	}
	48
9e45cd41	49	static struct sr_dev_inst probe_device(struct sr_scpi_dev_inst scpi)
ca1a7cb5	50	{
9e45cd41 BV	51	struct dev_context *devc;
	52	struct sr_dev_inst *sdi;
	53	struct sr_scpi_hw_info *hw_info;
	54	struct sr_channel_group *cg;
	55	struct sr_channel *ch;
	56	const struct scpi_pps *device;
01b0257a	57	struct pps_channel *pch;
4a471029 BV	58	struct channel_spec *channels;
4a471029 BV	59	struct channel_group_spec channel_groups, cgs;
9e45cd41	60	struct pps_channel_group *pcg;
58b77c41 BV	61	GRegex *model_re;
58b77c41 BV	62	GMatchInfo *model_mi;
01b0257a	63	GSList *l;
9e45cd41	64	uint64_t mask;
4a471029 BV	65	unsigned int num_channels, num_channel_groups, ch_num, ch_idx, i, j;
4a471029 BV	66	int ret;
22c18b03	67	const char *vendor;
01b0257a	68	char ch_name[16];
9e45cd41 BV	69
	70	if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
	71	sr_info("Couldn't get IDN response.");
	72	return NULL;
	73	}
	74
	75	device = NULL;
	76	for (i = 0; i < num_pps_profiles; i++) {
22c18b03	77	vendor = get_vendor(hw_info->manufacturer);
58b77c41	78	if (strcasecmp(vendor, pps_profiles[i].vendor))
22c18b03	79	continue;
58b77c41 BV	80	model_re = g_regex_new(pps_profiles[i].model, 0, 0, NULL);
58b77c41 BV	81	if (g_regex_match(model_re, hw_info->model, 0, &model_mi))
9e45cd41	82	device = &pps_profiles[i];
58b77c41 BV	83	g_match_info_unref(model_mi);
	84	g_regex_unref(model_re);
	85	if (device)
9e45cd41	86	break;
9e45cd41 BV	87	}
	88	if (!device) {
	89	sr_scpi_hw_info_free(hw_info);
	90	return NULL;
	91	}
	92
aed4ad0b	93	sdi = sr_dev_inst_new(SR_ST_ACTIVE, vendor, hw_info->model,
58b77c41	94	hw_info->firmware_version);
9e45cd41 BV	95	sdi->conn = scpi;
	96	sdi->driver = di;
	97	sdi->inst_type = SR_INST_SCPI;
d08667c5 SA	98	sdi->serial_num = g_strdup(hw_info->serial_number);
d08667c5 SA	99
9e45cd41 BV	100	devc = g_malloc0(sizeof(struct dev_context));
	101	devc->device = device;
	102	sdi->priv = devc;
	103
4a471029 BV	104	if (device->num_channels) {
	105	/* Static channels and groups. */
	106	channels = device->channels;
	107	num_channels = device->num_channels;
	108	channel_groups = device->channel_groups;
	109	num_channel_groups = device->num_channel_groups;
	110	} else {
	111	/* Channels and groups need to be probed. */
	112	ret = device->probe_channels(sdi, hw_info, &channels, &num_channels,
	113	&channel_groups, &num_channel_groups);
	114	if (ret != SR_OK) {
	115	sr_err("Failed to probe for channels.");
	116	return NULL;
	117	}
	118	/*
	119	* Since these were dynamically allocated, we'll need to free them
	120	* later.
	121	*/
	122	devc->channels = channels;
	123	devc->channel_groups = channel_groups;
	124	}
	125
01b0257a	126	ch_idx = 0;
4a471029	127	for (ch_num = 0; ch_num < num_channels; ch_num++) {
01b0257a	128	/* Create one channel per measurable output unit. */
01b0257a BV	129	for (i = 0; i < ARRAY_SIZE(pci); i++) {
	130	if (!scpi_cmd_get(sdi, pci[i].command))
	131	continue;
	132	g_snprintf(ch_name, 16, "%s%s", pci[i].prefix,
4a471029	133	channels[ch_num].name);
01b0257a BV	134	ch = sr_channel_new(ch_idx++, SR_CHANNEL_ANALOG, TRUE, ch_name);
	135	pch = g_malloc0(sizeof(struct pps_channel));
	136	pch->hw_output_idx = ch_num;
4a471029	137	pch->hwname = channels[ch_num].name;
01b0257a BV	138	pch->mq = pci[i].mq;
	139	ch->priv = pch;
	140	sdi->channels = g_slist_append(sdi->channels, ch);
	141	}
9e45cd41	142	}
ca1a7cb5	143
4a471029 BV	144	for (i = 0; i < num_channel_groups; i++) {
4a471029 BV	145	cgs = &channel_groups[i];
9e45cd41 BV	146	cg = g_malloc0(sizeof(struct sr_channel_group));
	147	cg->name = g_strdup(cgs->name);
	148	for (j = 0, mask = 1; j < 64; j++, mask <<= 1) {
	149	if (cgs->channel_index_mask & mask) {
01b0257a BV	150	for (l = sdi->channels; l; l = l->next) {
	151	ch = l->data;
	152	pch = ch->priv;
	153	if (pch->hw_output_idx == j)
	154	cg->channels = g_slist_append(cg->channels, ch);
	155	}
9e45cd41 BV	156	}
	157	}
	158	pcg = g_malloc0(sizeof(struct pps_channel_group));
	159	pcg->features = cgs->features;
	160	cg->priv = pcg;
	161	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
	162	}
ca1a7cb5	163
4a471029 BV	164	sr_scpi_hw_info_free(hw_info);
	165	hw_info = NULL;
	166
60475cd7	167	scpi_cmd(sdi, SCPI_CMD_LOCAL);
9e45cd41	168	sr_scpi_close(scpi);
ca1a7cb5	169
9e45cd41 BV	170	return sdi;
9e45cd41 BV	171	}
ca1a7cb5	172
9e45cd41 BV	173	static GSList scan(GSList options)
	174	{
	175	return sr_scpi_scan(di->priv, options, probe_device);
ca1a7cb5 BV	176	}
	177
	178	static GSList *dev_list(void)
	179	{
	180	return ((struct drv_context *)(di->priv))->instances;
	181	}
	182
	183	static int dev_clear(void)
	184	{
	185	return std_dev_clear(di, NULL);
	186	}
	187
	188	static int dev_open(struct sr_dev_inst *sdi)
	189	{
ee2860ee	190	struct dev_context *devc;
9e45cd41	191	struct sr_scpi_dev_inst *scpi;
ee2860ee	192	GVariant *beeper;
9e45cd41 BV	193
	194	if (sdi->status != SR_ST_ACTIVE)
	195	return SR_ERR;
ca1a7cb5	196
9e45cd41 BV	197	scpi = sdi->conn;
	198	if (sr_scpi_open(scpi) < 0)
	199	return SR_ERR;
ca1a7cb5 BV	200
	201	sdi->status = SR_ST_ACTIVE;
	202
60475cd7	203	scpi_cmd(sdi, SCPI_CMD_REMOTE);
ee2860ee BV	204	devc = sdi->priv;
	205	devc->beeper_was_set = FALSE;
	206	if (scpi_cmd_resp(sdi, &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
	207	if (g_variant_get_boolean(beeper)) {
	208	devc->beeper_was_set = TRUE;
	209	scpi_cmd(sdi, SCPI_CMD_BEEPER_DISABLE);
	210	}
	211	g_variant_unref(beeper);
	212	}
60475cd7	213
ca1a7cb5 BV	214	return SR_OK;
	215	}
	216
	217	static int dev_close(struct sr_dev_inst *sdi)
	218	{
9e45cd41	219	struct sr_scpi_dev_inst *scpi;
ee2860ee	220	struct dev_context *devc;
ca1a7cb5	221
9e45cd41 BV	222	if (sdi->status != SR_ST_ACTIVE)
9e45cd41 BV	223	return SR_ERR_DEV_CLOSED;
ca1a7cb5	224
ee2860ee	225	devc = sdi->priv;
9e45cd41 BV	226	scpi = sdi->conn;
9e45cd41 BV	227	if (scpi) {
ee2860ee BV	228	if (devc->beeper_was_set)
ee2860ee BV	229	scpi_cmd(sdi, SCPI_CMD_BEEPER_ENABLE);
60475cd7	230	scpi_cmd(sdi, SCPI_CMD_LOCAL);
9e45cd41 BV	231	sr_scpi_close(scpi);
	232	sdi->status = SR_ST_INACTIVE;
	233	}
ca1a7cb5 BV	234
	235	return SR_OK;
	236	}
	237
4a471029 BV	238	static void clear_helper(void *priv)
	239	{
	240	struct dev_context *devc;
	241
	242	devc = priv;
	243	g_free(devc->channels);
	244	g_free(devc->channel_groups);
	245	g_free(devc);
	246	}
	247
ca1a7cb5 BV	248	static int cleanup(void)
ca1a7cb5 BV	249	{
4a471029	250	return std_dev_clear(di, clear_helper);
ca1a7cb5 BV	251	}
ca1a7cb5 BV	252
584560f1	253	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	254	const struct sr_channel_group *cg)
ca1a7cb5 BV	255	{
9e45cd41	256	struct dev_context *devc;
478c8d92 BV	257	const GVariantType *gvtype;
	258	unsigned int i;
	259	int cmd, ret;
ca1a7cb5	260
9e45cd41 BV	261	if (!sdi)
	262	return SR_ERR_ARG;
	263
	264	devc = sdi->priv;
ca1a7cb5	265
478c8d92	266	if (cg) {
9e45cd41 BV	267	/*
	268	* These options only apply to channel groups with a single
	269	* channel -- they're per-channel settings for the device.
	270	*/
478c8d92 BV	271
	272	/*
	273	* Config keys are handled below depending on whether a channel
	274	* group was provided by the frontend. However some of these
	275	* take a CG on one PPS but not on others. Check the device's
	276	* profile for that here, and NULL out the channel group as needed.
	277	*/
	278	for (i = 0; i < devc->device->num_devopts; i++) {
	279	if (devc->device->devopts[i] == key) {
	280	cg = NULL;
	281	break;
	282	}
	283	}
478c8d92	284	}
9e45cd41	285
478c8d92 BV	286	gvtype = NULL;
	287	cmd = -1;
	288	switch (key) {
	289	case SR_CONF_OUTPUT_ENABLED:
	290	gvtype = G_VARIANT_TYPE_BOOLEAN;
	291	cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
	292	break;
	293	case SR_CONF_OUTPUT_VOLTAGE:
	294	gvtype = G_VARIANT_TYPE_DOUBLE;
	295	cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
	296	break;
ca95e90f	297	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
478c8d92	298	gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f	299	cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
478c8d92 BV	300	break;
	301	case SR_CONF_OUTPUT_CURRENT:
	302	gvtype = G_VARIANT_TYPE_DOUBLE;
	303	cmd = SCPI_CMD_GET_MEAS_CURRENT;
	304	break;
ca95e90f	305	case SR_CONF_OUTPUT_CURRENT_LIMIT:
478c8d92	306	gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f	307	cmd = SCPI_CMD_GET_CURRENT_LIMIT;
478c8d92 BV	308	break;
	309	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	310	gvtype = G_VARIANT_TYPE_BOOLEAN;
	311	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
	312	break;
	313	case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
	314	gvtype = G_VARIANT_TYPE_BOOLEAN;
	315	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
	316	break;
	317	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	318	gvtype = G_VARIANT_TYPE_DOUBLE;
	319	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
	320	break;
	321	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	322	gvtype = G_VARIANT_TYPE_BOOLEAN;
	323	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
	324	break;
	325	case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
	326	gvtype = G_VARIANT_TYPE_BOOLEAN;
	327	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
	328	break;
	329	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	330	gvtype = G_VARIANT_TYPE_DOUBLE;
	331	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
	332	break;
	333	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
	334	gvtype = G_VARIANT_TYPE_BOOLEAN;
	335	cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
	336	break;
60475cd7 BV	337	case SR_CONF_OUTPUT_REGULATION:
	338	gvtype = G_VARIANT_TYPE_STRING;
	339	cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
478c8d92 BV	340	}
	341	if (gvtype) {
	342	if (cg)
60475cd7 BV	343	select_channel(sdi, cg->channels->data);
60475cd7 BV	344	ret = scpi_cmd_resp(sdi, data, gvtype, cmd);
478c8d92 BV	345	} else
478c8d92 BV	346	ret = SR_ERR_NA;
ca1a7cb5 BV	347
	348	return ret;
	349	}
	350
584560f1	351	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	352	const struct sr_channel_group *cg)
ca1a7cb5 BV	353	{
9e45cd41	354	double d;
ca1a7cb5	355	int ret;
ca1a7cb5	356
fdedbfcd BV	357	if (!sdi)
	358	return SR_ERR_ARG;
	359
ca1a7cb5 BV	360	if (sdi->status != SR_ST_ACTIVE)
	361	return SR_ERR_DEV_CLOSED;
	362
60475cd7	363	if (cg)
9e45cd41	364	/* Channel group specified. */
60475cd7 BV	365	select_channel(sdi, cg->channels->data);
	366
	367	ret = SR_OK;
	368	switch (key) {
	369	case SR_CONF_OUTPUT_ENABLED:
	370	if (g_variant_get_boolean(data))
	371	ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLE);
	372	else
	373	ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_DISABLE);
	374	break;
	375	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
	376	d = g_variant_get_double(data);
	377	ret = scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_TARGET, d);
	378	break;
	379	case SR_CONF_OUTPUT_CURRENT_LIMIT:
	380	d = g_variant_get_double(data);
	381	ret = scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_LIMIT, d);
	382	break;
	383	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	384	if (g_variant_get_boolean(data))
	385	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
	386	else
	387	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
	388	break;
	389	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	390	d = g_variant_get_double(data);
	391	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
	392	break;
	393	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	394	if (g_variant_get_boolean(data))
	395	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
	396	else
	397	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
	398	break;
	399	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	400	d = g_variant_get_double(data);
	401	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
	402	break;
	403	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
	404	if (g_variant_get_boolean(data))
	405	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
	406	else
	407	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
	408	break;
	409	default:
	410	ret = SR_ERR_NA;
ca1a7cb5 BV	411	}
	412
	413	return ret;
	414	}
	415
584560f1	416	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	417	const struct sr_channel_group *cg)
ca1a7cb5 BV	418	{
9e45cd41 BV	419	struct dev_context *devc;
	420	struct sr_channel *ch;
	421	struct channel_spec *ch_spec;
	422	GVariant *gvar;
	423	GVariantBuilder gvb;
	424	int ret, i;
	425	const char *s[16];
	426
	427	/* Always available, even without sdi. */
	428	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 BV	429	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	430	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
9e45cd41	431	return SR_OK;
a258204e BV	432	} else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	433	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	434	devopts_driver, ARRAY_SIZE(devopts_driver), sizeof(uint32_t));
	435	return SR_OK;
9e45cd41	436	}
ca1a7cb5	437
9e45cd41 BV	438	if (!sdi)
	439	return SR_ERR_ARG;
	440	devc = sdi->priv;
ca1a7cb5 BV	441
ca1a7cb5 BV	442	ret = SR_OK;
9e45cd41 BV	443	if (!cg) {
	444	/* No channel group: global options. */
	445	switch (key) {
	446	case SR_CONF_DEVICE_OPTIONS:
584560f1	447	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
9e45cd41	448	devc->device->devopts, devc->device->num_devopts,
584560f1	449	sizeof(uint32_t));
9e45cd41 BV	450	break;
9e45cd41 BV	451	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
478c8d92	452	/* Not used. */
9e45cd41 BV	453	i = 0;
	454	if (devc->device->features & PPS_INDEPENDENT)
	455	s[i++] = "Independent";
	456	if (devc->device->features & PPS_SERIES)
	457	s[i++] = "Series";
	458	if (devc->device->features & PPS_PARALLEL)
	459	s[i++] = "Parallel";
	460	if (i == 0) {
	461	/*
	462	* Shouldn't happen: independent-only devices
	463	* shouldn't advertise this option at all.
	464	*/
	465	return SR_ERR_NA;
	466	}
	467	*data = g_variant_new_strv(s, i);
	468	break;
	469	default:
	470	return SR_ERR_NA;
	471	}
	472	} else {
	473	/* Channel group specified. */
9e45cd41 BV	474	/*
	475	* Per-channel-group options depending on a channel are actually
	476	* done with the first channel. Channel groups in PPS can have
	477	* more than one channel, but they will typically be of equal
01b0257a	478	* specification for use in series or parallel mode.
9e45cd41	479	*/
9e45cd41 BV	480	ch = cg->channels->data;
	481
	482	switch (key) {
	483	case SR_CONF_DEVICE_OPTIONS:
584560f1	484	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
9e45cd41	485	devc->device->devopts_cg, devc->device->num_devopts_cg,
584560f1	486	sizeof(uint32_t));
9e45cd41	487	break;
ca95e90f	488	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
9e45cd41 BV	489	ch_spec = &(devc->device->channels[ch->index]);
	490	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	491	/* Min, max, write resolution. */
	492	for (i = 0; i < 3; i++) {
	493	gvar = g_variant_new_double(ch_spec->voltage[i]);
	494	g_variant_builder_add_value(&gvb, gvar);
	495	}
	496	*data = g_variant_builder_end(&gvb);
	497	break;
ca95e90f	498	case SR_CONF_OUTPUT_CURRENT_LIMIT:
9e45cd41 BV	499	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	500	/* Min, max, step. */
	501	for (i = 0; i < 3; i++) {
	502	ch_spec = &(devc->device->channels[ch->index]);
	503	gvar = g_variant_new_double(ch_spec->current[i]);
	504	g_variant_builder_add_value(&gvb, gvar);
	505	}
	506	*data = g_variant_builder_end(&gvb);
	507	break;
	508	default:
	509	return SR_ERR_NA;
	510	}
ca1a7cb5 BV	511	}
	512
	513	return ret;
	514	}
	515
	516	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
9e45cd41	517	void *cb_data)
ca1a7cb5	518	{
9e45cd41 BV	519	struct dev_context *devc;
	520	struct sr_scpi_dev_inst *scpi;
	521	struct sr_channel *ch;
01b0257a BV	522	struct pps_channel *pch;
01b0257a BV	523	int cmd, ret;
ca1a7cb5 BV	524
	525	if (sdi->status != SR_ST_ACTIVE)
	526	return SR_ERR_DEV_CLOSED;
	527
9e45cd41 BV	528	devc = sdi->priv;
	529	scpi = sdi->conn;
	530	devc->cb_data = cb_data;
	531
01b0257a	532	if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
9e45cd41 BV	533	scpi_pps_receive_data, (void *)sdi)) != SR_OK)
	534	return ret;
	535	std_session_send_df_header(sdi, LOG_PREFIX);
	536
01b0257a	537	/* Prime the pipe with the first channel's fetch. */
984e4b0d	538	ch = next_enabled_channel(sdi, NULL);
01b0257a	539	pch = ch->priv;
984e4b0d BV	540	if ((ret = select_channel(sdi, ch)) != SR_OK)
984e4b0d BV	541	return ret;
01b0257a BV	542	if (pch->mq == SR_MQ_VOLTAGE)
	543	cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
	544	else if (pch->mq == SR_MQ_CURRENT)
	545	cmd = SCPI_CMD_GET_MEAS_CURRENT;
	546	else if (pch->mq == SR_MQ_POWER)
	547	cmd = SCPI_CMD_GET_MEAS_POWER;
	548	else
	549	return SR_ERR;
	550	scpi_cmd(sdi, cmd, pch->hwname);
ca1a7cb5 BV	551
	552	return SR_OK;
	553	}
	554
	555	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	556	{
bf48cceb	557	struct sr_datafeed_packet packet;
9e45cd41 BV	558	struct sr_scpi_dev_inst *scpi;
	559	float f;
	560
ca1a7cb5 BV	561	(void)cb_data;
	562
	563	if (sdi->status != SR_ST_ACTIVE)
	564	return SR_ERR_DEV_CLOSED;
	565
9e45cd41 BV	566	scpi = sdi->conn;
	567
	568	/*
	569	* A requested value is certainly on the way. Retrieve it now,
	570	* to avoid leaving the device in a state where it's not expecting
	571	* commands.
	572	*/
	573	sr_scpi_get_float(scpi, NULL, &f);
	574	sr_scpi_source_remove(sdi->session, scpi);
	575
bf48cceb BV	576	packet.type = SR_DF_END;
	577	sr_session_send(sdi, &packet);
	578
ca1a7cb5 BV	579	return SR_OK;
	580	}
	581
	582	SR_PRIV struct sr_dev_driver scpi_pps_driver_info = {
	583	.name = "scpi-pps",
	584	.longname = "SCPI PPS",
	585	.api_version = 1,
	586	.init = init,
	587	.cleanup = cleanup,
	588	.scan = scan,
	589	.dev_list = dev_list,
	590	.dev_clear = dev_clear,
	591	.config_get = config_get,
	592	.config_set = config_set,
	593	.config_list = config_list,
	594	.dev_open = dev_open,
	595	.dev_close = dev_close,
	596	.dev_acquisition_start = dev_acquisition_start,
	597	.dev_acquisition_stop = dev_acquisition_stop,
	598	.priv = NULL,
	599	};