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

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
 *
 * 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"

static struct sr_dev_driver scpi_dmm_driver_info;

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

static const uint32_t drvopts[] = {
	SR_CONF_MULTIMETER,
};

static const uint32_t devopts_generic[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static const struct scpi_command cmdset_agilent[] = {
	{ DMM_CMD_SETUP_REMOTE, "\n", },
	{ DMM_CMD_SETUP_FUNC, "CONF:%s", },
	{ DMM_CMD_QUERY_FUNC, "CONF?", },
	{ DMM_CMD_START_ACQ, "MEAS", },
	{ DMM_CMD_STOP_ACQ, "ABORT", },
	{ DMM_CMD_QUERY_VALUE, "READ?", },
	{ DMM_CMD_QUERY_PREC, "CONF?", },
	ALL_ZERO,
};

static const struct mqopt_item mqopts_agilent_34405a[] = {
	{ SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
	{ SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
	{ SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
	{ SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
	{ SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
	{ SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
	{ SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
	{ SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
	{ SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
	{ SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
};

SR_PRIV const struct scpi_dmm_model models[] = {
	{
		"Agilent", "34405A",
		1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
		scpi_dmm_get_meas_agilent,
		ARRAY_AND_SIZE(devopts_generic),
	},
	{
		"Keysight", "34465A",
		1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
		scpi_dmm_get_meas_agilent,
		ARRAY_AND_SIZE(devopts_generic),
	},
};

static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model)
{
	size_t i;
	const struct scpi_dmm_model *entry;

	for (i = 0; i < ARRAY_SIZE(models); i++) {
		entry = &models[i];
		if (!entry->vendor || !entry->model)
			continue;
		if (strcmp(vendor, entry->vendor) != 0)
			continue;
		if (strcmp(model, entry->model) != 0)
			continue;
		return entry;
	}

	return NULL;
}

static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
	struct sr_scpi_hw_info *hw_info;
	int ret;
	const char *vendor;
	const struct scpi_dmm_model *model;
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	size_t i;
	gchar *channel_name;

	scpi_dmm_cmd_delay(scpi);
	ret = sr_scpi_get_hw_id(scpi, &hw_info);
	if (ret != SR_OK) {
		sr_info("Could not get IDN response.");
		return NULL;
	}
	vendor = sr_vendor_alias(hw_info->manufacturer);
	model = is_compatible(vendor, hw_info->model);
	if (!model) {
		sr_scpi_hw_info_free(hw_info);
		return NULL;
	}

	sdi = g_malloc0(sizeof(*sdi));
	sdi->vendor = g_strdup(hw_info->manufacturer);
	sdi->model = g_strdup(hw_info->model);
	sdi->version = g_strdup(hw_info->firmware_version);
	sdi->serial_num = g_strdup(hw_info->serial_number);
	sdi->conn = scpi;
	sdi->driver = &scpi_dmm_driver_info;
	sdi->inst_type = SR_INST_SCPI;
	sr_scpi_hw_info_free(hw_info);

	devc = g_malloc0(sizeof(*devc));
	sdi->priv = devc;
	devc->num_channels = model->num_channels;
	devc->cmdset = model->cmdset;
	devc->model = model;

	for (i = 0; i < devc->num_channels; i++) {
		channel_name = g_strdup_printf("P%zu", i + 1);
		sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
	}

	return sdi;
}

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

static int dev_open(struct sr_dev_inst *sdi)
{
	struct sr_scpi_dev_inst *scpi;
	int ret;

	scpi = sdi->conn;
	ret = sr_scpi_open(scpi);
	if (ret < 0) {
		sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
		return SR_ERR;
	}

	return SR_OK;
}

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

	scpi = sdi->conn;
	if (!scpi)
		return SR_ERR_BUG;

	sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND);
	if (sdi->status <= SR_ST_INACTIVE)
		return SR_OK;

	return sr_scpi_close(scpi);
}

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;
	enum sr_mq mq;
	enum sr_mqflag mqflag;
	GVariant *arr[2];
	int ret;

	(void)cg;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		return sr_sw_limits_config_get(&devc->limits, key, data);
	case SR_CONF_MEASURED_QUANTITY:
		ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL, NULL);
		if (ret != SR_OK)
			return ret;
		arr[0] = g_variant_new_uint32(mq);
		arr[1] = g_variant_new_uint64(mqflag);
		*data = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
		return SR_OK;
	default:
		return SR_ERR_NA;
	}
}

static int config_set(uint32_t key, GVariant *data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	struct dev_context *devc;
	enum sr_mq mq;
	enum sr_mqflag mqflag;
	GVariant *tuple_child;

	(void)cg;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
	case SR_CONF_LIMIT_MSEC:
		return sr_sw_limits_config_set(&devc->limits, key, data);
	case SR_CONF_MEASURED_QUANTITY:
		tuple_child = g_variant_get_child_value(data, 0);
		mq = g_variant_get_uint32(tuple_child);
		tuple_child = g_variant_get_child_value(data, 1);
		mqflag = g_variant_get_uint64(tuple_child);
		g_variant_unref(tuple_child);
		return scpi_dmm_set_mq(sdi, mq, mqflag);
	default:
		return SR_ERR_NA;
	}
}

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;
	GVariant *gvar, *arr[2];
	GVariantBuilder gvb;
	size_t i;

	(void)cg;

	devc = sdi ? sdi->priv : NULL;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
	case SR_CONF_DEVICE_OPTIONS:
		if (!devc)
			return STD_CONFIG_LIST(key, data, sdi, cg,
				scanopts, drvopts, devopts_generic);
		return std_opts_config_list(key, data, sdi, cg,
			ARRAY_AND_SIZE(scanopts), ARRAY_AND_SIZE(drvopts),
			devc->model->devopts, devc->model->devopts_size);
	case SR_CONF_MEASURED_QUANTITY:
		/* TODO Use std_gvar_measured_quantities() when available. */
		if (!devc)
			return SR_ERR_ARG;
		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
		for (i = 0; i < devc->model->mqopt_size; i++) {
			arr[0] = g_variant_new_uint32(devc->model->mqopts[i].mq);
			arr[1] = g_variant_new_uint64(devc->model->mqopts[i].mqflag);
			gvar = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
			g_variant_builder_add_value(&gvb, gvar);
		}
		*data = g_variant_builder_end(&gvb);
		return SR_OK;
	default:
		(void)devc;
		return SR_ERR_NA;
	}
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct sr_scpi_dev_inst *scpi;
	struct dev_context *devc;
	int ret;
	const struct mqopt_item *item;
	const char *command;

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

	ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq,
		&devc->start_acq_mq.curr_mqflag, NULL, &item);
	if (ret != SR_OK)
		return ret;

	command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ);
	if (command && *command) {
		scpi_dmm_cmd_delay(scpi);
		ret = sr_scpi_send(scpi, command);
		if (ret != SR_OK)
			return ret;
	}

	sr_sw_limits_acquisition_start(&devc->limits);
	ret = std_session_send_df_header(sdi);
	if (ret != SR_OK)
		return ret;

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

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	struct sr_scpi_dev_inst *scpi;
	struct dev_context *devc;
	const char *command;

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

	command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ);
	if (command && *command) {
		scpi_dmm_cmd_delay(scpi);
		(void)sr_scpi_send(scpi, command);
	}
	sr_scpi_source_remove(sdi->session, scpi);

	std_session_send_df_end(sdi);

	return SR_OK;
}

static struct sr_dev_driver scpi_dmm_driver_info = {
	.name = "scpi-dmm",
	.longname = "SCPI DMM",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_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,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info);
Commit	Line	Data
7a396ff5 GS	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
	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
3cdad416	20	#include <string.h>
7a396ff5 GS	21	#include "protocol.h"
7a396ff5 GS	22
0617bb5a GS	23	static struct sr_dev_driver scpi_dmm_driver_info;
0617bb5a GS	24
3cdad416 GS	25	static const uint32_t scanopts[] = {
3cdad416 GS	26	SR_CONF_CONN,
31e65c62	27	SR_CONF_SERIALCOMM,
3cdad416 GS	28	};
	29
	30	static const uint32_t drvopts[] = {
	31	SR_CONF_MULTIMETER,
	32	};
	33
1d2f9963	34	static const uint32_t devopts_generic[] = {
3cdad416 GS	35	SR_CONF_CONTINUOUS,
	36	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	37	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	38	SR_CONF_MEASURED_QUANTITY \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	39	};
	40
	41	static const struct scpi_command cmdset_agilent[] = {
	42	{ DMM_CMD_SETUP_REMOTE, "\n", },
	43	{ DMM_CMD_SETUP_FUNC, "CONF:%s", },
	44	{ DMM_CMD_QUERY_FUNC, "CONF?", },
	45	{ DMM_CMD_START_ACQ, "MEAS", },
	46	{ DMM_CMD_STOP_ACQ, "ABORT", },
	47	{ DMM_CMD_QUERY_VALUE, "READ?", },
	48	{ DMM_CMD_QUERY_PREC, "CONF?", },
	49	ALL_ZERO,
	50	};
	51
64d03de1	52	static const struct mqopt_item mqopts_agilent_34405a[] = {
3cdad416 GS	53	{ SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
	54	{ SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
	55	{ SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
	56	{ SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
	57	{ SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
3cdad416 GS	58	{ SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
	59	{ SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
	60	{ SR_MQ_VOLTAGE, SR_MQFLAG_DC \| SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
	61	{ SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
	62	{ SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
	63	};
	64
	65	SR_PRIV const struct scpi_dmm_model models[] = {
	66	{
	67	"Agilent", "34405A",
64d03de1	68	1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
3cdad416	69	scpi_dmm_get_meas_agilent,
1d2f9963	70	ARRAY_AND_SIZE(devopts_generic),
3cdad416	71	},
08e8c0e5 MW	72	{
	73	"Keysight", "34465A",
	74	1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
	75	scpi_dmm_get_meas_agilent,
	76	ARRAY_AND_SIZE(devopts_generic),
	77	},
3cdad416 GS	78	};
	79
	80	static const struct scpi_dmm_model is_compatible(const char vendor, const char *model)
7a396ff5	81	{
3cdad416 GS	82	size_t i;
	83	const struct scpi_dmm_model *entry;
	84
	85	for (i = 0; i < ARRAY_SIZE(models); i++) {
	86	entry = &models[i];
	87	if (!entry->vendor \|\| !entry->model)
	88	continue;
	89	if (strcmp(vendor, entry->vendor) != 0)
	90	continue;
	91	if (strcmp(model, entry->model) != 0)
	92	continue;
	93	return entry;
	94	}
7a396ff5	95
3cdad416 GS	96	return NULL;
3cdad416 GS	97	}
7a396ff5	98
3cdad416 GS	99	static struct sr_dev_inst probe_device(struct sr_scpi_dev_inst scpi)
	100	{
	101	struct sr_scpi_hw_info *hw_info;
	102	int ret;
	103	const char *vendor;
	104	const struct scpi_dmm_model *model;
	105	struct sr_dev_inst *sdi;
	106	struct dev_context *devc;
	107	size_t i;
	108	gchar *channel_name;
	109
3cdad416	110	scpi_dmm_cmd_delay(scpi);
28877994	111	ret = sr_scpi_get_hw_id(scpi, &hw_info);
3cdad416 GS	112	if (ret != SR_OK) {
	113	sr_info("Could not get IDN response.");
	114	return NULL;
	115	}
	116	vendor = sr_vendor_alias(hw_info->manufacturer);
	117	model = is_compatible(vendor, hw_info->model);
	118	if (!model) {
	119	sr_scpi_hw_info_free(hw_info);
	120	return NULL;
	121	}
7a396ff5	122
3cdad416 GS	123	sdi = g_malloc0(sizeof(*sdi));
	124	sdi->vendor = g_strdup(hw_info->manufacturer);
	125	sdi->model = g_strdup(hw_info->model);
	126	sdi->version = g_strdup(hw_info->firmware_version);
	127	sdi->serial_num = g_strdup(hw_info->serial_number);
	128	sdi->conn = scpi;
	129	sdi->driver = &scpi_dmm_driver_info;
	130	sdi->inst_type = SR_INST_SCPI;
	131	sr_scpi_hw_info_free(hw_info);
	132
	133	devc = g_malloc0(sizeof(*devc));
	134	sdi->priv = devc;
	135	devc->num_channels = model->num_channels;
	136	devc->cmdset = model->cmdset;
	137	devc->model = model;
	138
	139	for (i = 0; i < devc->num_channels; i++) {
	140	channel_name = g_strdup_printf("P%zu", i + 1);
	141	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
	142	}
	143
	144	return sdi;
	145	}
7a396ff5	146
3cdad416 GS	147	static GSList scan(struct sr_dev_driver di, GSList *options)
	148	{
	149	return sr_scpi_scan(di->context, options, probe_device);
7a396ff5 GS	150	}
	151
	152	static int dev_open(struct sr_dev_inst *sdi)
	153	{
3cdad416 GS	154	struct sr_scpi_dev_inst *scpi;
3cdad416 GS	155	int ret;
7a396ff5	156
3cdad416 GS	157	scpi = sdi->conn;
	158	ret = sr_scpi_open(scpi);
	159	if (ret < 0) {
	160	sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
	161	return SR_ERR;
	162	}
7a396ff5 GS	163
	164	return SR_OK;
	165	}
	166
	167	static int dev_close(struct sr_dev_inst *sdi)
	168	{
3cdad416	169	struct sr_scpi_dev_inst *scpi;
7a396ff5	170
3cdad416 GS	171	scpi = sdi->conn;
	172	if (!scpi)
	173	return SR_ERR_BUG;
7a396ff5	174
3cdad416 GS	175	sr_dbg("DIAG: sdi->status %d.", sdi->status - SR_ST_NOT_FOUND);
	176	if (sdi->status <= SR_ST_INACTIVE)
	177	return SR_OK;
	178
	179	return sr_scpi_close(scpi);
7a396ff5 GS	180	}
	181
	182	static int config_get(uint32_t key, GVariant **data,
	183	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	184	{
3cdad416 GS	185	struct dev_context *devc;
	186	enum sr_mq mq;
	187	enum sr_mqflag mqflag;
	188	GVariant *arr[2];
7a396ff5 GS	189	int ret;
7a396ff5 GS	190
7a396ff5 GS	191	(void)cg;
7a396ff5 GS	192
3cdad416 GS	193	devc = sdi->priv;
3cdad416 GS	194
7a396ff5	195	switch (key) {
3cdad416 GS	196	case SR_CONF_LIMIT_SAMPLES:
	197	case SR_CONF_LIMIT_MSEC:
	198	return sr_sw_limits_config_get(&devc->limits, key, data);
	199	case SR_CONF_MEASURED_QUANTITY:
08f3b427	200	ret = scpi_dmm_get_mq(sdi, &mq, &mqflag, NULL, NULL);
3cdad416 GS	201	if (ret != SR_OK)
	202	return ret;
	203	arr[0] = g_variant_new_uint32(mq);
	204	arr[1] = g_variant_new_uint64(mqflag);
	205	*data = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
	206	return SR_OK;
7a396ff5 GS	207	default:
	208	return SR_ERR_NA;
	209	}
7a396ff5 GS	210	}
	211
	212	static int config_set(uint32_t key, GVariant *data,
	213	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	214	{
3cdad416 GS	215	struct dev_context *devc;
	216	enum sr_mq mq;
	217	enum sr_mqflag mqflag;
	218	GVariant *tuple_child;
7a396ff5	219
7a396ff5 GS	220	(void)cg;
7a396ff5 GS	221
3cdad416 GS	222	devc = sdi->priv;
3cdad416 GS	223
7a396ff5	224	switch (key) {
3cdad416 GS	225	case SR_CONF_LIMIT_SAMPLES:
	226	case SR_CONF_LIMIT_MSEC:
	227	return sr_sw_limits_config_set(&devc->limits, key, data);
	228	case SR_CONF_MEASURED_QUANTITY:
	229	tuple_child = g_variant_get_child_value(data, 0);
	230	mq = g_variant_get_uint32(tuple_child);
	231	tuple_child = g_variant_get_child_value(data, 1);
	232	mqflag = g_variant_get_uint64(tuple_child);
	233	g_variant_unref(tuple_child);
	234	return scpi_dmm_set_mq(sdi, mq, mqflag);
7a396ff5	235	default:
3cdad416	236	return SR_ERR_NA;
7a396ff5	237	}
7a396ff5 GS	238	}
	239
	240	static int config_list(uint32_t key, GVariant **data,
	241	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	242	{
3cdad416 GS	243	struct dev_context *devc;
	244	GVariant gvar, arr[2];
	245	GVariantBuilder gvb;
	246	size_t i;
7a396ff5	247
7a396ff5 GS	248	(void)cg;
7a396ff5 GS	249
3cdad416 GS	250	devc = sdi ? sdi->priv : NULL;
3cdad416 GS	251
7a396ff5	252	switch (key) {
3cdad416 GS	253	case SR_CONF_SCAN_OPTIONS:
3cdad416 GS	254	case SR_CONF_DEVICE_OPTIONS:
1d2f9963 GS	255	if (!devc)
	256	return STD_CONFIG_LIST(key, data, sdi, cg,
	257	scanopts, drvopts, devopts_generic);
	258	return std_opts_config_list(key, data, sdi, cg,
	259	ARRAY_AND_SIZE(scanopts), ARRAY_AND_SIZE(drvopts),
	260	devc->model->devopts, devc->model->devopts_size);
3cdad416 GS	261	case SR_CONF_MEASURED_QUANTITY:
	262	/* TODO Use std_gvar_measured_quantities() when available. */
	263	if (!devc)
	264	return SR_ERR_ARG;
	265	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	266	for (i = 0; i < devc->model->mqopt_size; i++) {
	267	arr[0] = g_variant_new_uint32(devc->model->mqopts[i].mq);
	268	arr[1] = g_variant_new_uint64(devc->model->mqopts[i].mqflag);
	269	gvar = g_variant_new_tuple(arr, ARRAY_SIZE(arr));
	270	g_variant_builder_add_value(&gvb, gvar);
	271	}
	272	*data = g_variant_builder_end(&gvb);
	273	return SR_OK;
7a396ff5	274	default:
3cdad416	275	(void)devc;
7a396ff5 GS	276	return SR_ERR_NA;
7a396ff5 GS	277	}
7a396ff5 GS	278	}
	279
	280	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	281	{
3cdad416 GS	282	struct sr_scpi_dev_inst *scpi;
	283	struct dev_context *devc;
	284	int ret;
08f3b427	285	const struct mqopt_item *item;
3cdad416 GS	286	const char *command;
	287
	288	scpi = sdi->conn;
	289	devc = sdi->priv;
	290
	291	ret = scpi_dmm_get_mq(sdi, &devc->start_acq_mq.curr_mq,
08f3b427	292	&devc->start_acq_mq.curr_mqflag, NULL, &item);
3cdad416 GS	293	if (ret != SR_OK)
	294	return ret;
	295
	296	command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_START_ACQ);
	297	if (command && *command) {
3cdad416	298	scpi_dmm_cmd_delay(scpi);
28877994	299	ret = sr_scpi_send(scpi, command);
3cdad416 GS	300	if (ret != SR_OK)
	301	return ret;
	302	}
7a396ff5	303
3cdad416 GS	304	sr_sw_limits_acquisition_start(&devc->limits);
	305	ret = std_session_send_df_header(sdi);
	306	if (ret != SR_OK)
	307	return ret;
	308
	309	ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
	310	scpi_dmm_receive_data, (void *)sdi);
	311	if (ret != SR_OK)
	312	return ret;
7a396ff5 GS	313
	314	return SR_OK;
	315	}
	316
	317	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	318	{
3cdad416 GS	319	struct sr_scpi_dev_inst *scpi;
	320	struct dev_context *devc;
	321	const char *command;
	322
	323	scpi = sdi->conn;
	324	devc = sdi->priv;
7a396ff5	325
3cdad416 GS	326	command = sr_scpi_cmd_get(devc->cmdset, DMM_CMD_STOP_ACQ);
3cdad416 GS	327	if (command && *command) {
3cdad416	328	scpi_dmm_cmd_delay(scpi);
28877994	329	(void)sr_scpi_send(scpi, command);
3cdad416 GS	330	}
	331	sr_scpi_source_remove(sdi->session, scpi);
	332
	333	std_session_send_df_end(sdi);
7a396ff5 GS	334
	335	return SR_OK;
	336	}
	337
0617bb5a	338	static struct sr_dev_driver scpi_dmm_driver_info = {
7a396ff5 GS	339	.name = "scpi-dmm",
	340	.longname = "SCPI DMM",
	341	.api_version = 1,
	342	.init = std_init,
	343	.cleanup = std_cleanup,
	344	.scan = scan,
	345	.dev_list = std_dev_list,
	346	.dev_clear = std_dev_clear,
	347	.config_get = config_get,
	348	.config_set = config_set,
	349	.config_list = config_list,
	350	.dev_open = dev_open,
	351	.dev_close = dev_close,
	352	.dev_acquisition_start = dev_acquisition_start,
	353	.dev_acquisition_stop = dev_acquisition_stop,
	354	.context = NULL,
	355	};
7a396ff5	356	SR_REGISTER_DEV_DRIVER(scpi_dmm_driver_info);