[libsigrok.git] / src / hardware / lecroy-xstream / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2017 Sven Schnelle <svens@stackframe.org>
 *
 * 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 <config.h>
#include <stdlib.h>
#include "scpi.h"
#include "protocol.h"

static struct sr_dev_driver lecroy_xstream_driver_info;

static const char *manufacturers[] = {
	"LECROY",
};

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

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

static const uint32_t devopts[] = {
	SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_SAMPLERATE | SR_CONF_GET,
	SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_NUM_HDIV | SR_CONF_GET,
	SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static const uint32_t devopts_cg_analog[] = {
	SR_CONF_NUM_VDIV | SR_CONF_GET,
	SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};

static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
{
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct sr_scpi_hw_info *hw_info;

	sdi = NULL;
	devc = NULL;
	hw_info = NULL;

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

	if (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0)
		goto fail;

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	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->driver = &lecroy_xstream_driver_info;
	sdi->inst_type = SR_INST_SCPI;
	sdi->conn = scpi;

	sr_scpi_hw_info_free(hw_info);
	hw_info = NULL;

	devc = g_malloc0(sizeof(struct dev_context));

	sdi->priv = devc;

	if (lecroy_xstream_init_device(sdi) != SR_OK)
		goto fail;

	return sdi;

fail:
	sr_scpi_hw_info_free(hw_info);
	sr_dev_inst_free(sdi);
	g_free(devc);

	return NULL;
}

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

static void clear_helper(struct dev_context *devc)
{
	lecroy_xstream_state_free(devc->model_state);
	g_free(devc->analog_groups);
}

static int dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
}

static int dev_open(struct sr_dev_inst *sdi)
{
	if (sr_scpi_open(sdi->conn) != SR_OK)
		return SR_ERR;

	if (lecroy_xstream_state_get(sdi) != SR_OK)
		return SR_ERR;

	return SR_OK;
}

static int dev_close(struct sr_dev_inst *sdi)
{
	return sr_scpi_close(sdi->conn);
}

static int config_get(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	int idx;
	struct dev_context *devc;
	const struct scope_config *model;
	struct scope_state *state;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	model = devc->model_config;
	state = devc->model_state;
	*data = NULL;

	switch (key) {
	case SR_CONF_NUM_HDIV:
		*data = g_variant_new_int32(model->num_xdivs);
		break;
	case SR_CONF_TIMEBASE:
		*data = g_variant_new("(tt)",
				(*model->timebases)[state->timebase][0],
				(*model->timebases)[state->timebase][1]);
		break;
	case SR_CONF_NUM_VDIV:
		if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0)
			return SR_ERR_ARG;
		*data = g_variant_new_int32(model->num_ydivs);
		break;
	case SR_CONF_VDIV:
		if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
			return SR_ERR_ARG;
		*data = g_variant_new("(tt)",
			(*model->vdivs)[state->analog_channels[idx].vdiv][0],
			(*model->vdivs)[state->analog_channels[idx].vdiv][1]);
		break;
	case SR_CONF_TRIGGER_SOURCE:
		*data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]);
		break;
	case SR_CONF_TRIGGER_SLOPE:
		*data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]);
		break;
	case SR_CONF_HORIZ_TRIGGERPOS:
		*data = g_variant_new_double(state->horiz_triggerpos);
		break;
	case SR_CONF_COUPLING:
		if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
			return SR_ERR_ARG;
		*data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]);
		break;
	case SR_CONF_SAMPLERATE:
		*data = g_variant_new_uint64(state->sample_rate);
		break;
	case SR_CONF_ENABLED:
		*data = g_variant_new_boolean(FALSE);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int config_set(uint32_t key, GVariant *data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	int ret, idx, j;
	char command[MAX_COMMAND_SIZE];
	struct dev_context *devc;
	const struct scope_config *model;
	struct scope_state *state;
	double tmp_d;
	gboolean update_sample_rate;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	model = devc->model_config;
	state = devc->model_state;
	update_sample_rate = FALSE;

	ret = SR_ERR_NA;

	switch (key) {
	case SR_CONF_LIMIT_FRAMES:
		devc->frame_limit = g_variant_get_uint64(data);
		ret = SR_OK;
		break;
	case SR_CONF_TRIGGER_SOURCE:
		if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
			return SR_ERR_ARG;
		state->trigger_source = idx;
		g_snprintf(command, sizeof(command),
			"SET TRIGGER SOURCE %s", (*model->trigger_sources)[idx]);
		ret = sr_scpi_send(sdi->conn, command);
		break;
	case SR_CONF_VDIV:
		if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
			return SR_ERR_ARG;
		if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
			return SR_ERR_ARG;
		state->analog_channels[j].vdiv = idx;
		g_snprintf(command, sizeof(command),
			"C%d:VDIV %E", j + 1, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]);
		if (sr_scpi_send(sdi->conn, command) != SR_OK ||
		    sr_scpi_get_opc(sdi->conn) != SR_OK)
			return SR_ERR;
		ret = SR_OK;
		break;
	case SR_CONF_TIMEBASE:
		if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0)
			return SR_ERR_ARG;
		state->timebase = idx;
		g_snprintf(command, sizeof(command),
			"TIME_DIV %E", (float) (*model->timebases)[idx][0] / (*model->timebases)[idx][1]);
		ret = sr_scpi_send(sdi->conn, command);
		update_sample_rate = TRUE;
		break;
	case SR_CONF_HORIZ_TRIGGERPOS:
		tmp_d = g_variant_get_double(data);

		if (tmp_d < 0.0 || tmp_d > 1.0)
			return SR_ERR;

		state->horiz_triggerpos = tmp_d;
		tmp_d = -(tmp_d - 0.5) *
			((double)(*model->timebases)[state->timebase][0] /
			 (*model->timebases)[state->timebase][1])
			 * model->num_xdivs;

		g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);

		ret = sr_scpi_send(sdi->conn, command);
		break;
	case SR_CONF_TRIGGER_SLOPE:
		if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
			return SR_ERR_ARG;
		state->trigger_slope = idx;
		g_snprintf(command, sizeof(command),
			"SET TRIGGER SLOPE %s", (*model->trigger_slopes)[idx]);
		ret = sr_scpi_send(sdi->conn, command);
		break;
	case SR_CONF_COUPLING:
		if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
			return SR_ERR_ARG;
		if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
			return SR_ERR_ARG;
		state->analog_channels[j].coupling = idx;
		g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
				j + 1, (*model->coupling_options)[idx]);
		if (sr_scpi_send(sdi->conn, command) != SR_OK ||
		    sr_scpi_get_opc(sdi->conn) != SR_OK)
			return SR_ERR;
		ret = SR_OK;
		break;
	default:
		ret = SR_ERR_NA;
		break;
	}

	if (ret == SR_OK)
		ret = sr_scpi_get_opc(sdi->conn);

	if (ret == SR_OK && update_sample_rate)
		ret = lecroy_xstream_update_sample_rate(sdi);

	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;
	const struct scope_config *model;

	devc = (sdi) ? sdi->priv : NULL;
	model = (devc) ? devc->model_config : NULL;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, NULL);
	case SR_CONF_DEVICE_OPTIONS:
		if (!cg)
			return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
		*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
		break;
	case SR_CONF_COUPLING:
		*data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options);
		break;
	case SR_CONF_TRIGGER_SOURCE:
		if (!model)
			return SR_ERR_ARG;
		*data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources);
		break;
	case SR_CONF_TRIGGER_SLOPE:
		if (!model)
			return SR_ERR_ARG;
		*data = g_variant_new_strv(*model->trigger_slopes, model->num_trigger_slopes);
		break;
	case SR_CONF_TIMEBASE:
		if (!model)
			return SR_ERR_ARG;
		*data = std_gvar_tuple_array(*model->timebases, model->num_timebases);
		break;
	case SR_CONF_VDIV:
		if (!model)
			return SR_ERR_ARG;
		*data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
{
	char command[MAX_COMMAND_SIZE];
	struct sr_channel *ch;
	struct dev_context *devc;

	devc = sdi->priv;

	ch = devc->current_channel->data;

	if (ch->type != SR_CHANNEL_ANALOG)
		return SR_ERR;

	g_snprintf(command, sizeof(command),
		"COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1);
	return sr_scpi_send(sdi->conn, command);
}

static int setup_channels(const struct sr_dev_inst *sdi)
{
	GSList *l;
	gboolean setup_changed;
	char command[MAX_COMMAND_SIZE];
	struct scope_state *state;
	struct sr_channel *ch;
	struct dev_context *devc;
	struct sr_scpi_dev_inst *scpi;

	devc = sdi->priv;
	scpi = sdi->conn;
	state = devc->model_state;
	setup_changed = FALSE;

	for (l = sdi->channels; l; l = l->next) {
		ch = l->data;
		switch (ch->type) {
		case SR_CHANNEL_ANALOG:
			if (ch->enabled == state->analog_channels[ch->index].state)
				break;
			g_snprintf(command, sizeof(command), "C%d:TRACE %s",
				   ch->index + 1, ch->enabled ? "ON" : "OFF");

			if (sr_scpi_send(scpi, command) != SR_OK)
				return SR_ERR;
			state->analog_channels[ch->index].state = ch->enabled;
			setup_changed = TRUE;
			break;
		default:
			return SR_ERR;
		}
	}

	if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK)
		return SR_ERR;

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	GSList *l;
	struct sr_channel *ch;
	struct dev_context *devc;
	int ret;
	struct sr_scpi_dev_inst *scpi;

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

	/* Preset empty results. */
	g_slist_free(devc->enabled_channels);
	devc->enabled_channels = NULL;

	/*
	 * Contruct the list of enabled channels. Determine the highest
	 * number of digital pods involved in the acquisition.
	 */

	for (l = sdi->channels; l; l = l->next) {
		ch = l->data;
		if (!ch->enabled)
			continue;
		/* Only add a single digital channel per group (pod). */
		devc->enabled_channels = g_slist_append(
			devc->enabled_channels, ch);
	}

	if (!devc->enabled_channels)
		return SR_ERR;

	/*
	 * Configure the analog channels and the
	 * corresponding digital pods.
	 */
	if (setup_channels(sdi) != SR_OK) {
		sr_err("Failed to setup channel configuration!");
		ret = SR_ERR;
		goto free_enabled;
	}

	/*
	 * Start acquisition on the first enabled channel. The
	 * receive routine will continue driving the acquisition.
	 */
	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
			lecroy_xstream_receive_data, (void *)sdi);

	std_session_send_df_header(sdi);

	devc->current_channel = devc->enabled_channels;

	return lecroy_xstream_request_data(sdi);

free_enabled:
	g_slist_free(devc->enabled_channels);
	devc->enabled_channels = NULL;

	return ret;
}

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

	std_session_send_df_end(sdi);

	devc = sdi->priv;

	devc->num_frames = 0;
	g_slist_free(devc->enabled_channels);
	devc->enabled_channels = NULL;
	scpi = sdi->conn;
	sr_scpi_source_remove(sdi->session, scpi);

	return SR_OK;
}

static struct sr_dev_driver lecroy_xstream_driver_info = {
	.name = "lecroy-xstream",
	.longname = "LeCroy X-Stream",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_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,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);
Commit	Line	Data
e3b83c5e SS	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2017 Sven Schnelle <svens@stackframe.org>
	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
	20	#include <config.h>
3f2c7c94 SS	21	#include <stdlib.h>
3f2c7c94 SS	22	#include "scpi.h"
e3b83c5e SS	23	#include "protocol.h"
e3b83c5e SS	24
3f2c7c94 SS	25	static struct sr_dev_driver lecroy_xstream_driver_info;
	26
	27	static const char *manufacturers[] = {
	28	"LECROY",
	29	};
	30
	31	static const uint32_t scanopts[] = {
	32	SR_CONF_CONN,
	33	};
	34
90230cfa SA	35	static const uint32_t drvopts[] = {
	36	SR_CONF_OSCILLOSCOPE,
	37	};
	38
	39	static const uint32_t devopts[] = {
	40	SR_CONF_LIMIT_FRAMES \| SR_CONF_GET \| SR_CONF_SET,
86621306	41	SR_CONF_SAMPLERATE \| SR_CONF_GET,
90230cfa SA	42	SR_CONF_TIMEBASE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
90230cfa SA	43	SR_CONF_NUM_HDIV \| SR_CONF_GET,
90230cfa	44	SR_CONF_HORIZ_TRIGGERPOS \| SR_CONF_GET \| SR_CONF_SET,
86621306 UH	45	SR_CONF_TRIGGER_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
86621306 UH	46	SR_CONF_TRIGGER_SLOPE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
90230cfa SA	47	};
90230cfa SA	48
6b82c3e5	49	static const uint32_t devopts_cg_analog[] = {
90230cfa	50	SR_CONF_NUM_VDIV \| SR_CONF_GET,
90230cfa	51	SR_CONF_VDIV \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
86621306	52	SR_CONF_COUPLING \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
90230cfa SA	53	};
90230cfa SA	54
373e92a4	55	static struct sr_dev_inst probe_device(struct sr_scpi_dev_inst scpi)
3f2c7c94 SS	56	{
	57	struct sr_dev_inst *sdi;
	58	struct dev_context *devc;
	59	struct sr_scpi_hw_info *hw_info;
	60
	61	sdi = NULL;
	62	devc = NULL;
	63	hw_info = NULL;
	64
3f2c7c94 SS	65	if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
	66	sr_info("Couldn't get IDN response.");
	67	goto fail;
	68	}
	69
697fb6dd	70	if (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0)
3f2c7c94 SS	71	goto fail;
	72
	73	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	74	sdi->vendor = g_strdup(hw_info->manufacturer);
	75	sdi->model = g_strdup(hw_info->model);
	76	sdi->version = g_strdup(hw_info->firmware_version);
	77	sdi->serial_num = g_strdup(hw_info->serial_number);
	78	sdi->driver = &lecroy_xstream_driver_info;
	79	sdi->inst_type = SR_INST_SCPI;
	80	sdi->conn = scpi;
	81
	82	sr_scpi_hw_info_free(hw_info);
	83	hw_info = NULL;
	84
	85	devc = g_malloc0(sizeof(struct dev_context));
	86
	87	sdi->priv = devc;
	88
	89	if (lecroy_xstream_init_device(sdi) != SR_OK)
	90	goto fail;
	91
	92	return sdi;
	93
	94	fail:
	95	sr_scpi_hw_info_free(hw_info);
4bf93988	96	sr_dev_inst_free(sdi);
3f2c7c94 SS	97	g_free(devc);
	98
	99	return NULL;
	100	}
e3b83c5e SS	101
	102	static GSList scan(struct sr_dev_driver di, GSList *options)
	103	{
373e92a4	104	return sr_scpi_scan(di->context, options, probe_device);
3f2c7c94 SS	105	}
3f2c7c94 SS	106
3553451f	107	static void clear_helper(struct dev_context *devc)
3f2c7c94	108	{
3f2c7c94	109	lecroy_xstream_state_free(devc->model_state);
3f2c7c94	110	g_free(devc->analog_groups);
e3b83c5e SS	111	}
	112
	113	static int dev_clear(const struct sr_dev_driver *di)
	114	{
3553451f	115	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
e3b83c5e SS	116	}
	117
	118	static int dev_open(struct sr_dev_inst *sdi)
	119	{
6402c379	120	if (sr_scpi_open(sdi->conn) != SR_OK)
3f2c7c94	121	return SR_ERR;
e3b83c5e	122
3f2c7c94 SS	123	if (lecroy_xstream_state_get(sdi) != SR_OK)
3f2c7c94 SS	124	return SR_ERR;
e3b83c5e	125
e3b83c5e SS	126	return SR_OK;
	127	}
	128
	129	static int dev_close(struct sr_dev_inst *sdi)
	130	{
f1ba6b4b	131	return sr_scpi_close(sdi->conn);
e3b83c5e SS	132	}
	133
	134	static int config_get(uint32_t key, GVariant **data,
ea257cdc	135	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	136	{
fcd6a8bd	137	int idx;
3f2c7c94 SS	138	struct dev_context *devc;
	139	const struct scope_config *model;
	140	struct scope_state *state;
e3b83c5e	141
3f2c7c94 SS	142	if (!sdi)
	143	return SR_ERR_ARG;
	144
	145	devc = sdi->priv;
e3b83c5e	146
3f2c7c94 SS	147	model = devc->model_config;
	148	state = devc->model_state;
	149	*data = NULL;
ea257cdc	150
e3b83c5e	151	switch (key) {
3f2c7c94 SS	152	case SR_CONF_NUM_HDIV:
3f2c7c94 SS	153	*data = g_variant_new_int32(model->num_xdivs);
3f2c7c94 SS	154	break;
	155	case SR_CONF_TIMEBASE:
	156	*data = g_variant_new("(tt)",
76f0fa5d UH	157	(*model->timebases)[state->timebase][0],
76f0fa5d UH	158	(*model->timebases)[state->timebase][1]);
3f2c7c94 SS	159	break;
3f2c7c94 SS	160	case SR_CONF_NUM_VDIV:
fcd6a8bd UH	161	if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0)
	162	return SR_ERR_ARG;
	163	*data = g_variant_new_int32(model->num_ydivs);
3f2c7c94 SS	164	break;
3f2c7c94 SS	165	case SR_CONF_VDIV:
fcd6a8bd UH	166	if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	167	return SR_ERR_ARG;
	168	*data = g_variant_new("(tt)",
	169	(*model->vdivs)[state->analog_channels[idx].vdiv][0],
	170	(*model->vdivs)[state->analog_channels[idx].vdiv][1]);
3f2c7c94 SS	171	break;
	172	case SR_CONF_TRIGGER_SOURCE:
	173	data = g_variant_new_string((model->trigger_sources)[state->trigger_source]);
3f2c7c94 SS	174	break;
	175	case SR_CONF_TRIGGER_SLOPE:
	176	data = g_variant_new_string((model->trigger_slopes)[state->trigger_slope]);
3f2c7c94 SS	177	break;
	178	case SR_CONF_HORIZ_TRIGGERPOS:
	179	*data = g_variant_new_double(state->horiz_triggerpos);
3f2c7c94 SS	180	break;
3f2c7c94 SS	181	case SR_CONF_COUPLING:
fcd6a8bd UH	182	if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	183	return SR_ERR_ARG;
	184	data = g_variant_new_string((model->coupling_options)[state->analog_channels[idx].coupling]);
3f2c7c94 SS	185	break;
	186	case SR_CONF_SAMPLERATE:
	187	*data = g_variant_new_uint64(state->sample_rate);
3f2c7c94 SS	188	break;
	189	case SR_CONF_ENABLED:
	190	*data = g_variant_new_boolean(FALSE);
3f2c7c94	191	break;
e3b83c5e	192	default:
a9010323	193	return SR_ERR_NA;
e3b83c5e	194	}
ea257cdc	195
a9010323	196	return SR_OK;
e3b83c5e SS	197	}
e3b83c5e SS	198
ea257cdc UH	199	static int config_set(uint32_t key, GVariant *data,
ea257cdc UH	200	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	201	{
fcd6a8bd	202	int ret, idx, j;
3f2c7c94 SS	203	char command[MAX_COMMAND_SIZE];
	204	struct dev_context *devc;
	205	const struct scope_config *model;
	206	struct scope_state *state;
3f2c7c94 SS	207	double tmp_d;
3f2c7c94 SS	208	gboolean update_sample_rate;
e3b83c5e	209
3f2c7c94 SS	210	if (!sdi)
3f2c7c94 SS	211	return SR_ERR_ARG;
e3b83c5e	212
3f2c7c94 SS	213	devc = sdi->priv;
	214
	215	model = devc->model_config;
	216	state = devc->model_state;
	217	update_sample_rate = FALSE;
	218
	219	ret = SR_ERR_NA;
e3b83c5e	220
e3b83c5e	221	switch (key) {
3f2c7c94 SS	222	case SR_CONF_LIMIT_FRAMES:
	223	devc->frame_limit = g_variant_get_uint64(data);
	224	ret = SR_OK;
	225	break;
	226	case SR_CONF_TRIGGER_SOURCE:
bd633efa UH	227	if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
	228	return SR_ERR_ARG;
	229	state->trigger_source = idx;
	230	g_snprintf(command, sizeof(command),
	231	"SET TRIGGER SOURCE %s", (*model->trigger_sources)[idx]);
	232	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	233	break;
3f2c7c94 SS	234	case SR_CONF_VDIV:
bd633efa UH	235	if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
bd633efa UH	236	return SR_ERR_ARG;
fcd6a8bd UH	237	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	238	return SR_ERR_ARG;
	239	state->analog_channels[j].vdiv = idx;
	240	g_snprintf(command, sizeof(command),
	241	"C%d:VDIV %E", j + 1, (float) (model->vdivs)[idx][0] / (model->vdivs)[idx][1]);
	242	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\|
	243	sr_scpi_get_opc(sdi->conn) != SR_OK)
	244	return SR_ERR;
bd633efa	245	ret = SR_OK;
3f2c7c94 SS	246	break;
3f2c7c94 SS	247	case SR_CONF_TIMEBASE:
bd633efa UH	248	if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0)
	249	return SR_ERR_ARG;
	250	state->timebase = idx;
	251	g_snprintf(command, sizeof(command),
	252	"TIME_DIV %E", (float) (model->timebases)[idx][0] / (model->timebases)[idx][1]);
	253	ret = sr_scpi_send(sdi->conn, command);
	254	update_sample_rate = TRUE;
3f2c7c94 SS	255	break;
	256	case SR_CONF_HORIZ_TRIGGERPOS:
	257	tmp_d = g_variant_get_double(data);
	258
	259	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	260	return SR_ERR;
	261
	262	state->horiz_triggerpos = tmp_d;
	263	tmp_d = -(tmp_d - 0.5) *
76f0fa5d UH	264	((double)(*model->timebases)[state->timebase][0] /
76f0fa5d UH	265	(*model->timebases)[state->timebase][1])
3f2c7c94 SS	266	* model->num_xdivs;
	267
	268	g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);
	269
	270	ret = sr_scpi_send(sdi->conn, command);
	271	break;
	272	case SR_CONF_TRIGGER_SLOPE:
bd633efa UH	273	if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
	274	return SR_ERR_ARG;
	275	state->trigger_slope = idx;
	276	g_snprintf(command, sizeof(command),
	277	"SET TRIGGER SLOPE %s", (*model->trigger_slopes)[idx]);
	278	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	279	break;
3f2c7c94 SS	280	case SR_CONF_COUPLING:
bd633efa UH	281	if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
bd633efa UH	282	return SR_ERR_ARG;
fcd6a8bd UH	283	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	284	return SR_ERR_ARG;
	285	state->analog_channels[j].coupling = idx;
	286	g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
	287	j + 1, (*model->coupling_options)[idx]);
	288	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\|
	289	sr_scpi_get_opc(sdi->conn) != SR_OK)
	290	return SR_ERR;
bd633efa	291	ret = SR_OK;
3f2c7c94	292	break;
e3b83c5e SS	293	default:
e3b83c5e SS	294	ret = SR_ERR_NA;
3f2c7c94	295	break;
e3b83c5e SS	296	}
e3b83c5e SS	297
3f2c7c94 SS	298	if (ret == SR_OK)
	299	ret = sr_scpi_get_opc(sdi->conn);
	300
	301	if (ret == SR_OK && update_sample_rate)
	302	ret = lecroy_xstream_update_sample_rate(sdi);
	303
e3b83c5e SS	304	return ret;
	305	}
	306
ea257cdc UH	307	static int config_list(uint32_t key, GVariant **data,
ea257cdc UH	308	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	309	{
e66d1892 UH	310	struct dev_context *devc;
e66d1892 UH	311	const struct scope_config *model;
90230cfa	312
e66d1892 UH	313	devc = (sdi) ? sdi->priv : NULL;
e66d1892 UH	314	model = (devc) ? devc->model_config : NULL;
90230cfa SA	315
90230cfa SA	316	switch (key) {
e66d1892 UH	317	case SR_CONF_SCAN_OPTIONS:
e66d1892 UH	318	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, NULL);
3f2c7c94	319	case SR_CONF_DEVICE_OPTIONS:
e66d1892 UH	320	if (!cg)
e66d1892 UH	321	return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
53012da6	322	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
3f2c7c94 SS	323	break;
3f2c7c94 SS	324	case SR_CONF_COUPLING:
692716f5	325	data = g_variant_new_strv(model->coupling_options, model->num_coupling_options);
3f2c7c94 SS	326	break;
	327	case SR_CONF_TRIGGER_SOURCE:
	328	if (!model)
	329	return SR_ERR_ARG;
692716f5	330	data = g_variant_new_strv(model->trigger_sources, model->num_trigger_sources);
3f2c7c94 SS	331	break;
	332	case SR_CONF_TRIGGER_SLOPE:
	333	if (!model)
	334	return SR_ERR_ARG;
692716f5	335	data = g_variant_new_strv(model->trigger_slopes, model->num_trigger_slopes);
3f2c7c94 SS	336	break;
	337	case SR_CONF_TIMEBASE:
	338	if (!model)
	339	return SR_ERR_ARG;
76f0fa5d	340	data = std_gvar_tuple_array(model->timebases, model->num_timebases);
3f2c7c94 SS	341	break;
	342	case SR_CONF_VDIV:
	343	if (!model)
	344	return SR_ERR_ARG;
76f0fa5d	345	data = std_gvar_tuple_array(model->vdivs, model->num_vdivs);
3f2c7c94	346	break;
e3b83c5e SS	347	default:
	348	return SR_ERR_NA;
	349	}
758906aa	350
3f2c7c94 SS	351	return SR_OK;
3f2c7c94 SS	352	}
e3b83c5e	353
3f2c7c94 SS	354	SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
	355	{
	356	char command[MAX_COMMAND_SIZE];
	357	struct sr_channel *ch;
	358	struct dev_context *devc;
	359
	360	devc = sdi->priv;
	361
	362	ch = devc->current_channel->data;
	363
	364	if (ch->type != SR_CHANNEL_ANALOG)
	365	return SR_ERR;
	366
	367	g_snprintf(command, sizeof(command),
ea257cdc	368	"COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1);
3f2c7c94 SS	369	return sr_scpi_send(sdi->conn, command);
	370	}
	371
6d13a46c	372	static int setup_channels(const struct sr_dev_inst *sdi)
3f2c7c94 SS	373	{
	374	GSList *l;
	375	gboolean setup_changed;
	376	char command[MAX_COMMAND_SIZE];
	377	struct scope_state *state;
	378	struct sr_channel *ch;
	379	struct dev_context *devc;
	380	struct sr_scpi_dev_inst *scpi;
	381
	382	devc = sdi->priv;
	383	scpi = sdi->conn;
	384	state = devc->model_state;
	385	setup_changed = FALSE;
	386
	387	for (l = sdi->channels; l; l = l->next) {
	388	ch = l->data;
	389	switch (ch->type) {
	390	case SR_CHANNEL_ANALOG:
	391	if (ch->enabled == state->analog_channels[ch->index].state)
	392	break;
	393	g_snprintf(command, sizeof(command), "C%d:TRACE %s",
ea257cdc	394	ch->index + 1, ch->enabled ? "ON" : "OFF");
3f2c7c94 SS	395
	396	if (sr_scpi_send(scpi, command) != SR_OK)
	397	return SR_ERR;
	398	state->analog_channels[ch->index].state = ch->enabled;
	399	setup_changed = TRUE;
	400	break;
	401	default:
	402	return SR_ERR;
	403	}
	404	}
	405
	406	if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK)
	407	return SR_ERR;
	408
	409	return SR_OK;
e3b83c5e SS	410	}
	411
	412	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	413	{
3f2c7c94 SS	414	GSList *l;
	415	struct sr_channel *ch;
	416	struct dev_context *devc;
	417	int ret;
	418	struct sr_scpi_dev_inst *scpi;
	419
3f2c7c94 SS	420	devc = sdi->priv;
3f2c7c94 SS	421	scpi = sdi->conn;
ca314e06	422
3f2c7c94 SS	423	/* Preset empty results. */
	424	g_slist_free(devc->enabled_channels);
	425	devc->enabled_channels = NULL;
	426
	427	/*
	428	* Contruct the list of enabled channels. Determine the highest
	429	* number of digital pods involved in the acquisition.
	430	*/
	431
	432	for (l = sdi->channels; l; l = l->next) {
	433	ch = l->data;
	434	if (!ch->enabled)
	435	continue;
	436	/* Only add a single digital channel per group (pod). */
	437	devc->enabled_channels = g_slist_append(
	438	devc->enabled_channels, ch);
	439	}
e3b83c5e	440
3f2c7c94 SS	441	if (!devc->enabled_channels)
	442	return SR_ERR;
	443
	444	/*
	445	* Configure the analog channels and the
	446	* corresponding digital pods.
	447	*/
6d13a46c	448	if (setup_channels(sdi) != SR_OK) {
3f2c7c94 SS	449	sr_err("Failed to setup channel configuration!");
	450	ret = SR_ERR;
	451	goto free_enabled;
	452	}
	453
	454	/*
	455	* Start acquisition on the first enabled channel. The
	456	* receive routine will continue driving the acquisition.
	457	*/
	458	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
	459	lecroy_xstream_receive_data, (void *)sdi);
	460
	461	std_session_send_df_header(sdi);
	462
	463	devc->current_channel = devc->enabled_channels;
	464
	465	return lecroy_xstream_request_data(sdi);
	466
	467	free_enabled:
	468	g_slist_free(devc->enabled_channels);
	469	devc->enabled_channels = NULL;
ea257cdc	470
3f2c7c94	471	return ret;
e3b83c5e SS	472	}
	473
	474	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	475	{
3f2c7c94 SS	476	struct dev_context *devc;
	477	struct sr_scpi_dev_inst *scpi;
	478
	479	std_session_send_df_end(sdi);
	480
3f2c7c94 SS	481	devc = sdi->priv;
	482
	483	devc->num_frames = 0;
	484	g_slist_free(devc->enabled_channels);
	485	devc->enabled_channels = NULL;
	486	scpi = sdi->conn;
	487	sr_scpi_source_remove(sdi->session, scpi);
e3b83c5e SS	488
	489	return SR_OK;
	490	}
	491
3f2c7c94	492	static struct sr_dev_driver lecroy_xstream_driver_info = {
e3b83c5e	493	.name = "lecroy-xstream",
bb08570f	494	.longname = "LeCroy X-Stream",
e3b83c5e SS	495	.api_version = 1,
	496	.init = std_init,
	497	.cleanup = std_cleanup,
	498	.scan = scan,
	499	.dev_list = std_dev_list,
	500	.dev_clear = dev_clear,
	501	.config_get = config_get,
	502	.config_set = config_set,
	503	.config_list = config_list,
	504	.dev_open = dev_open,
	505	.dev_close = dev_close,
	506	.dev_acquisition_start = dev_acquisition_start,
	507	.dev_acquisition_stop = dev_acquisition_stop,
	508	.context = NULL,
	509	};
e3b83c5e	510	SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);