[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();
	sdi->status = SR_ST_ACTIVE;
	sdi->vendor = g_strdup(vendor);
	sdi->model = g_strdup(hw_info->model);
	sdi->version = g_strdup(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
0af636be UH	93	sdi = sr_dev_inst_new();
	94	sdi->status = SR_ST_ACTIVE;
	95	sdi->vendor = g_strdup(vendor);
	96	sdi->model = g_strdup(hw_info->model);
	97	sdi->version = g_strdup(hw_info->firmware_version);
9e45cd41 BV	98	sdi->conn = scpi;
	99	sdi->driver = di;
	100	sdi->inst_type = SR_INST_SCPI;
d08667c5 SA	101	sdi->serial_num = g_strdup(hw_info->serial_number);
d08667c5 SA	102
9e45cd41 BV	103	devc = g_malloc0(sizeof(struct dev_context));
	104	devc->device = device;
	105	sdi->priv = devc;
	106
4a471029 BV	107	if (device->num_channels) {
	108	/* Static channels and groups. */
	109	channels = device->channels;
	110	num_channels = device->num_channels;
	111	channel_groups = device->channel_groups;
	112	num_channel_groups = device->num_channel_groups;
	113	} else {
	114	/* Channels and groups need to be probed. */
	115	ret = device->probe_channels(sdi, hw_info, &channels, &num_channels,
	116	&channel_groups, &num_channel_groups);
	117	if (ret != SR_OK) {
	118	sr_err("Failed to probe for channels.");
	119	return NULL;
	120	}
	121	/*
	122	* Since these were dynamically allocated, we'll need to free them
	123	* later.
	124	*/
	125	devc->channels = channels;
	126	devc->channel_groups = channel_groups;
	127	}
	128
01b0257a	129	ch_idx = 0;
4a471029	130	for (ch_num = 0; ch_num < num_channels; ch_num++) {
01b0257a	131	/* Create one channel per measurable output unit. */
01b0257a BV	132	for (i = 0; i < ARRAY_SIZE(pci); i++) {
	133	if (!scpi_cmd_get(sdi, pci[i].command))
	134	continue;
	135	g_snprintf(ch_name, 16, "%s%s", pci[i].prefix,
4a471029	136	channels[ch_num].name);
01b0257a BV	137	ch = sr_channel_new(ch_idx++, SR_CHANNEL_ANALOG, TRUE, ch_name);
	138	pch = g_malloc0(sizeof(struct pps_channel));
	139	pch->hw_output_idx = ch_num;
4a471029	140	pch->hwname = channels[ch_num].name;
01b0257a BV	141	pch->mq = pci[i].mq;
	142	ch->priv = pch;
	143	sdi->channels = g_slist_append(sdi->channels, ch);
	144	}
9e45cd41	145	}
ca1a7cb5	146
4a471029 BV	147	for (i = 0; i < num_channel_groups; i++) {
4a471029 BV	148	cgs = &channel_groups[i];
9e45cd41 BV	149	cg = g_malloc0(sizeof(struct sr_channel_group));
	150	cg->name = g_strdup(cgs->name);
	151	for (j = 0, mask = 1; j < 64; j++, mask <<= 1) {
	152	if (cgs->channel_index_mask & mask) {
01b0257a BV	153	for (l = sdi->channels; l; l = l->next) {
	154	ch = l->data;
	155	pch = ch->priv;
	156	if (pch->hw_output_idx == j)
	157	cg->channels = g_slist_append(cg->channels, ch);
	158	}
9e45cd41 BV	159	}
	160	}
	161	pcg = g_malloc0(sizeof(struct pps_channel_group));
	162	pcg->features = cgs->features;
	163	cg->priv = pcg;
	164	sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
	165	}
ca1a7cb5	166
4a471029 BV	167	sr_scpi_hw_info_free(hw_info);
	168	hw_info = NULL;
	169
60475cd7	170	scpi_cmd(sdi, SCPI_CMD_LOCAL);
9e45cd41	171	sr_scpi_close(scpi);
ca1a7cb5	172
9e45cd41 BV	173	return sdi;
9e45cd41 BV	174	}
ca1a7cb5	175
9e45cd41 BV	176	static GSList scan(GSList options)
	177	{
	178	return sr_scpi_scan(di->priv, options, probe_device);
ca1a7cb5 BV	179	}
	180
	181	static GSList *dev_list(void)
	182	{
	183	return ((struct drv_context *)(di->priv))->instances;
	184	}
	185
	186	static int dev_clear(void)
	187	{
	188	return std_dev_clear(di, NULL);
	189	}
	190
	191	static int dev_open(struct sr_dev_inst *sdi)
	192	{
ee2860ee	193	struct dev_context *devc;
9e45cd41	194	struct sr_scpi_dev_inst *scpi;
ee2860ee	195	GVariant *beeper;
9e45cd41 BV	196
	197	if (sdi->status != SR_ST_ACTIVE)
	198	return SR_ERR;
ca1a7cb5	199
9e45cd41 BV	200	scpi = sdi->conn;
	201	if (sr_scpi_open(scpi) < 0)
	202	return SR_ERR;
ca1a7cb5 BV	203
	204	sdi->status = SR_ST_ACTIVE;
	205
60475cd7	206	scpi_cmd(sdi, SCPI_CMD_REMOTE);
ee2860ee BV	207	devc = sdi->priv;
	208	devc->beeper_was_set = FALSE;
	209	if (scpi_cmd_resp(sdi, &beeper, G_VARIANT_TYPE_BOOLEAN, SCPI_CMD_BEEPER) == SR_OK) {
	210	if (g_variant_get_boolean(beeper)) {
	211	devc->beeper_was_set = TRUE;
	212	scpi_cmd(sdi, SCPI_CMD_BEEPER_DISABLE);
	213	}
	214	g_variant_unref(beeper);
	215	}
60475cd7	216
ca1a7cb5 BV	217	return SR_OK;
	218	}
	219
	220	static int dev_close(struct sr_dev_inst *sdi)
	221	{
9e45cd41	222	struct sr_scpi_dev_inst *scpi;
ee2860ee	223	struct dev_context *devc;
ca1a7cb5	224
9e45cd41 BV	225	if (sdi->status != SR_ST_ACTIVE)
9e45cd41 BV	226	return SR_ERR_DEV_CLOSED;
ca1a7cb5	227
ee2860ee	228	devc = sdi->priv;
9e45cd41 BV	229	scpi = sdi->conn;
9e45cd41 BV	230	if (scpi) {
ee2860ee BV	231	if (devc->beeper_was_set)
ee2860ee BV	232	scpi_cmd(sdi, SCPI_CMD_BEEPER_ENABLE);
60475cd7	233	scpi_cmd(sdi, SCPI_CMD_LOCAL);
9e45cd41 BV	234	sr_scpi_close(scpi);
	235	sdi->status = SR_ST_INACTIVE;
	236	}
ca1a7cb5 BV	237
	238	return SR_OK;
	239	}
	240
4a471029 BV	241	static void clear_helper(void *priv)
	242	{
	243	struct dev_context *devc;
	244
	245	devc = priv;
	246	g_free(devc->channels);
	247	g_free(devc->channel_groups);
	248	g_free(devc);
	249	}
	250
ca1a7cb5 BV	251	static int cleanup(void)
ca1a7cb5 BV	252	{
4a471029	253	return std_dev_clear(di, clear_helper);
ca1a7cb5 BV	254	}
ca1a7cb5 BV	255
584560f1	256	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	257	const struct sr_channel_group *cg)
ca1a7cb5 BV	258	{
9e45cd41	259	struct dev_context *devc;
478c8d92 BV	260	const GVariantType *gvtype;
	261	unsigned int i;
	262	int cmd, ret;
ca1a7cb5	263
9e45cd41 BV	264	if (!sdi)
	265	return SR_ERR_ARG;
	266
	267	devc = sdi->priv;
ca1a7cb5	268
478c8d92	269	if (cg) {
9e45cd41 BV	270	/*
	271	* These options only apply to channel groups with a single
	272	* channel -- they're per-channel settings for the device.
	273	*/
478c8d92 BV	274
	275	/*
	276	* Config keys are handled below depending on whether a channel
	277	* group was provided by the frontend. However some of these
	278	* take a CG on one PPS but not on others. Check the device's
	279	* profile for that here, and NULL out the channel group as needed.
	280	*/
	281	for (i = 0; i < devc->device->num_devopts; i++) {
	282	if (devc->device->devopts[i] == key) {
	283	cg = NULL;
	284	break;
	285	}
	286	}
478c8d92	287	}
9e45cd41	288
478c8d92 BV	289	gvtype = NULL;
	290	cmd = -1;
	291	switch (key) {
	292	case SR_CONF_OUTPUT_ENABLED:
	293	gvtype = G_VARIANT_TYPE_BOOLEAN;
	294	cmd = SCPI_CMD_GET_OUTPUT_ENABLED;
	295	break;
	296	case SR_CONF_OUTPUT_VOLTAGE:
	297	gvtype = G_VARIANT_TYPE_DOUBLE;
	298	cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
	299	break;
ca95e90f	300	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
478c8d92	301	gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f	302	cmd = SCPI_CMD_GET_VOLTAGE_TARGET;
478c8d92 BV	303	break;
	304	case SR_CONF_OUTPUT_CURRENT:
	305	gvtype = G_VARIANT_TYPE_DOUBLE;
	306	cmd = SCPI_CMD_GET_MEAS_CURRENT;
	307	break;
ca95e90f	308	case SR_CONF_OUTPUT_CURRENT_LIMIT:
478c8d92	309	gvtype = G_VARIANT_TYPE_DOUBLE;
ca95e90f	310	cmd = SCPI_CMD_GET_CURRENT_LIMIT;
478c8d92 BV	311	break;
	312	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	313	gvtype = G_VARIANT_TYPE_BOOLEAN;
	314	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ENABLED;
	315	break;
	316	case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE:
	317	gvtype = G_VARIANT_TYPE_BOOLEAN;
	318	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_ACTIVE;
	319	break;
	320	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	321	gvtype = G_VARIANT_TYPE_DOUBLE;
	322	cmd = SCPI_CMD_GET_OVER_VOLTAGE_PROTECTION_THRESHOLD;
	323	break;
	324	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	325	gvtype = G_VARIANT_TYPE_BOOLEAN;
	326	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ENABLED;
	327	break;
	328	case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE:
	329	gvtype = G_VARIANT_TYPE_BOOLEAN;
	330	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_ACTIVE;
	331	break;
	332	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	333	gvtype = G_VARIANT_TYPE_DOUBLE;
	334	cmd = SCPI_CMD_GET_OVER_CURRENT_PROTECTION_THRESHOLD;
	335	break;
	336	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
	337	gvtype = G_VARIANT_TYPE_BOOLEAN;
	338	cmd = SCPI_CMD_GET_OVER_TEMPERATURE_PROTECTION;
	339	break;
60475cd7 BV	340	case SR_CONF_OUTPUT_REGULATION:
	341	gvtype = G_VARIANT_TYPE_STRING;
	342	cmd = SCPI_CMD_GET_OUTPUT_REGULATION;
478c8d92 BV	343	}
	344	if (gvtype) {
	345	if (cg)
60475cd7 BV	346	select_channel(sdi, cg->channels->data);
60475cd7 BV	347	ret = scpi_cmd_resp(sdi, data, gvtype, cmd);
478c8d92 BV	348	} else
478c8d92 BV	349	ret = SR_ERR_NA;
ca1a7cb5 BV	350
	351	return ret;
	352	}
	353
584560f1	354	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	355	const struct sr_channel_group *cg)
ca1a7cb5 BV	356	{
9e45cd41	357	double d;
ca1a7cb5	358	int ret;
ca1a7cb5	359
fdedbfcd BV	360	if (!sdi)
	361	return SR_ERR_ARG;
	362
ca1a7cb5 BV	363	if (sdi->status != SR_ST_ACTIVE)
	364	return SR_ERR_DEV_CLOSED;
	365
60475cd7	366	if (cg)
9e45cd41	367	/* Channel group specified. */
60475cd7 BV	368	select_channel(sdi, cg->channels->data);
	369
	370	ret = SR_OK;
	371	switch (key) {
	372	case SR_CONF_OUTPUT_ENABLED:
	373	if (g_variant_get_boolean(data))
	374	ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_ENABLE);
	375	else
	376	ret = scpi_cmd(sdi, SCPI_CMD_SET_OUTPUT_DISABLE);
	377	break;
	378	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
	379	d = g_variant_get_double(data);
	380	ret = scpi_cmd(sdi, SCPI_CMD_SET_VOLTAGE_TARGET, d);
	381	break;
	382	case SR_CONF_OUTPUT_CURRENT_LIMIT:
	383	d = g_variant_get_double(data);
	384	ret = scpi_cmd(sdi, SCPI_CMD_SET_CURRENT_LIMIT, d);
	385	break;
	386	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	387	if (g_variant_get_boolean(data))
	388	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_ENABLE);
	389	else
	390	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_DISABLE);
	391	break;
	392	case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD:
	393	d = g_variant_get_double(data);
	394	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_VOLTAGE_PROTECTION_THRESHOLD, d);
	395	break;
	396	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	397	if (g_variant_get_boolean(data))
	398	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_ENABLE);
	399	else
	400	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_DISABLE);
	401	break;
	402	case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD:
	403	d = g_variant_get_double(data);
	404	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_CURRENT_PROTECTION_THRESHOLD, d);
	405	break;
	406	case SR_CONF_OVER_TEMPERATURE_PROTECTION:
	407	if (g_variant_get_boolean(data))
	408	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_ENABLE);
	409	else
	410	ret = scpi_cmd(sdi, SCPI_CMD_SET_OVER_TEMPERATURE_PROTECTION_DISABLE);
	411	break;
	412	default:
	413	ret = SR_ERR_NA;
ca1a7cb5 BV	414	}
	415
	416	return ret;
	417	}
	418
584560f1	419	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ca1a7cb5 BV	420	const struct sr_channel_group *cg)
ca1a7cb5 BV	421	{
9e45cd41 BV	422	struct dev_context *devc;
	423	struct sr_channel *ch;
	424	struct channel_spec *ch_spec;
	425	GVariant *gvar;
	426	GVariantBuilder gvb;
	427	int ret, i;
	428	const char *s[16];
	429
	430	/* Always available, even without sdi. */
	431	if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 BV	432	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
584560f1 BV	433	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
9e45cd41	434	return SR_OK;
a258204e BV	435	} else if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	436	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	437	devopts_driver, ARRAY_SIZE(devopts_driver), sizeof(uint32_t));
	438	return SR_OK;
9e45cd41	439	}
ca1a7cb5	440
9e45cd41 BV	441	if (!sdi)
	442	return SR_ERR_ARG;
	443	devc = sdi->priv;
ca1a7cb5 BV	444
ca1a7cb5 BV	445	ret = SR_OK;
9e45cd41 BV	446	if (!cg) {
	447	/* No channel group: global options. */
	448	switch (key) {
	449	case SR_CONF_DEVICE_OPTIONS:
584560f1	450	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
9e45cd41	451	devc->device->devopts, devc->device->num_devopts,
584560f1	452	sizeof(uint32_t));
9e45cd41 BV	453	break;
9e45cd41 BV	454	case SR_CONF_OUTPUT_CHANNEL_CONFIG:
478c8d92	455	/* Not used. */
9e45cd41 BV	456	i = 0;
	457	if (devc->device->features & PPS_INDEPENDENT)
	458	s[i++] = "Independent";
	459	if (devc->device->features & PPS_SERIES)
	460	s[i++] = "Series";
	461	if (devc->device->features & PPS_PARALLEL)
	462	s[i++] = "Parallel";
	463	if (i == 0) {
	464	/*
	465	* Shouldn't happen: independent-only devices
	466	* shouldn't advertise this option at all.
	467	*/
	468	return SR_ERR_NA;
	469	}
	470	*data = g_variant_new_strv(s, i);
	471	break;
	472	default:
	473	return SR_ERR_NA;
	474	}
	475	} else {
	476	/* Channel group specified. */
9e45cd41 BV	477	/*
	478	* Per-channel-group options depending on a channel are actually
	479	* done with the first channel. Channel groups in PPS can have
	480	* more than one channel, but they will typically be of equal
01b0257a	481	* specification for use in series or parallel mode.
9e45cd41	482	*/
9e45cd41 BV	483	ch = cg->channels->data;
	484
	485	switch (key) {
	486	case SR_CONF_DEVICE_OPTIONS:
584560f1	487	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
9e45cd41	488	devc->device->devopts_cg, devc->device->num_devopts_cg,
584560f1	489	sizeof(uint32_t));
9e45cd41	490	break;
ca95e90f	491	case SR_CONF_OUTPUT_VOLTAGE_TARGET:
9e45cd41 BV	492	ch_spec = &(devc->device->channels[ch->index]);
	493	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	494	/* Min, max, write resolution. */
	495	for (i = 0; i < 3; i++) {
	496	gvar = g_variant_new_double(ch_spec->voltage[i]);
	497	g_variant_builder_add_value(&gvb, gvar);
	498	}
	499	*data = g_variant_builder_end(&gvb);
	500	break;
ca95e90f	501	case SR_CONF_OUTPUT_CURRENT_LIMIT:
9e45cd41 BV	502	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	503	/* Min, max, step. */
	504	for (i = 0; i < 3; i++) {
	505	ch_spec = &(devc->device->channels[ch->index]);
	506	gvar = g_variant_new_double(ch_spec->current[i]);
	507	g_variant_builder_add_value(&gvb, gvar);
	508	}
	509	*data = g_variant_builder_end(&gvb);
	510	break;
	511	default:
	512	return SR_ERR_NA;
	513	}
ca1a7cb5 BV	514	}
	515
	516	return ret;
	517	}
	518
	519	static int dev_acquisition_start(const struct sr_dev_inst *sdi,
9e45cd41	520	void *cb_data)
ca1a7cb5	521	{
9e45cd41 BV	522	struct dev_context *devc;
	523	struct sr_scpi_dev_inst *scpi;
	524	struct sr_channel *ch;
01b0257a BV	525	struct pps_channel *pch;
01b0257a BV	526	int cmd, ret;
ca1a7cb5 BV	527
	528	if (sdi->status != SR_ST_ACTIVE)
	529	return SR_ERR_DEV_CLOSED;
	530
9e45cd41 BV	531	devc = sdi->priv;
	532	scpi = sdi->conn;
	533	devc->cb_data = cb_data;
	534
01b0257a	535	if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
9e45cd41 BV	536	scpi_pps_receive_data, (void *)sdi)) != SR_OK)
	537	return ret;
	538	std_session_send_df_header(sdi, LOG_PREFIX);
	539
01b0257a	540	/* Prime the pipe with the first channel's fetch. */
984e4b0d	541	ch = next_enabled_channel(sdi, NULL);
01b0257a	542	pch = ch->priv;
984e4b0d BV	543	if ((ret = select_channel(sdi, ch)) != SR_OK)
984e4b0d BV	544	return ret;
01b0257a BV	545	if (pch->mq == SR_MQ_VOLTAGE)
	546	cmd = SCPI_CMD_GET_MEAS_VOLTAGE;
	547	else if (pch->mq == SR_MQ_CURRENT)
	548	cmd = SCPI_CMD_GET_MEAS_CURRENT;
	549	else if (pch->mq == SR_MQ_POWER)
	550	cmd = SCPI_CMD_GET_MEAS_POWER;
	551	else
	552	return SR_ERR;
	553	scpi_cmd(sdi, cmd, pch->hwname);
ca1a7cb5 BV	554
	555	return SR_OK;
	556	}
	557
	558	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	559	{
bf48cceb	560	struct sr_datafeed_packet packet;
9e45cd41 BV	561	struct sr_scpi_dev_inst *scpi;
	562	float f;
	563
ca1a7cb5 BV	564	(void)cb_data;
	565
	566	if (sdi->status != SR_ST_ACTIVE)
	567	return SR_ERR_DEV_CLOSED;
	568
9e45cd41 BV	569	scpi = sdi->conn;
	570
	571	/*
	572	* A requested value is certainly on the way. Retrieve it now,
	573	* to avoid leaving the device in a state where it's not expecting
	574	* commands.
	575	*/
	576	sr_scpi_get_float(scpi, NULL, &f);
	577	sr_scpi_source_remove(sdi->session, scpi);
	578
bf48cceb BV	579	packet.type = SR_DF_END;
	580	sr_session_send(sdi, &packet);
	581
ca1a7cb5 BV	582	return SR_OK;
	583	}
	584
	585	SR_PRIV struct sr_dev_driver scpi_pps_driver_info = {
	586	.name = "scpi-pps",
	587	.longname = "SCPI PPS",
	588	.api_version = 1,
	589	.init = init,
	590	.cleanup = cleanup,
	591	.scan = scan,
	592	.dev_list = dev_list,
	593	.dev_clear = dev_clear,
	594	.config_get = config_get,
	595	.config_set = config_set,
	596	.config_list = config_list,
	597	.dev_open = dev_open,
	598	.dev_close = dev_close,
	599	.dev_acquisition_start = dev_acquisition_start,
	600	.dev_acquisition_stop = dev_acquisition_stop,
	601	.priv = NULL,
	602	};