[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),
				"TRIG_SELECT EDGE,SR,%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),
				"%s:TRIG_SLOPE %s", (*model->trigger_sources)[state->trigger_source],
				(*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_channel_set(const struct sr_dev_inst *sdi,
	struct sr_channel *ch, unsigned int changes)
{
	/* Currently we only handle SR_CHANNEL_SET_ENABLED. */
	if (changes != SR_CHANNEL_SET_ENABLED)
		return SR_ERR_NA;

	return lecroy_xstream_channel_state_set(sdi, ch->index, ch->enabled);
}

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), "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. */
	for (l = sdi->channels; l; l = l->next) {
		ch = l->data;
		if (!ch->enabled)
			continue;

		devc->enabled_channels = g_slist_append(devc->enabled_channels, ch);
	}

	if (!devc->enabled_channels)
		return SR_ERR;

	/* Configure the analog channels. */
	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_channel_set = config_channel_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));
3f2c7c94 SS	86	sdi->priv = devc;
	87
	88	if (lecroy_xstream_init_device(sdi) != SR_OK)
	89	goto fail;
	90
	91	return sdi;
	92
	93	fail:
	94	sr_scpi_hw_info_free(hw_info);
4bf93988	95	sr_dev_inst_free(sdi);
3f2c7c94 SS	96	g_free(devc);
	97
	98	return NULL;
	99	}
e3b83c5e SS	100
	101	static GSList scan(struct sr_dev_driver di, GSList *options)
	102	{
373e92a4	103	return sr_scpi_scan(di->context, options, probe_device);
3f2c7c94 SS	104	}
3f2c7c94 SS	105
3553451f	106	static void clear_helper(struct dev_context *devc)
3f2c7c94	107	{
3f2c7c94	108	lecroy_xstream_state_free(devc->model_state);
3f2c7c94	109	g_free(devc->analog_groups);
e3b83c5e SS	110	}
	111
	112	static int dev_clear(const struct sr_dev_driver *di)
	113	{
3553451f	114	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
e3b83c5e SS	115	}
	116
	117	static int dev_open(struct sr_dev_inst *sdi)
	118	{
6402c379	119	if (sr_scpi_open(sdi->conn) != SR_OK)
3f2c7c94	120	return SR_ERR;
e3b83c5e	121
3f2c7c94 SS	122	if (lecroy_xstream_state_get(sdi) != SR_OK)
3f2c7c94 SS	123	return SR_ERR;
e3b83c5e	124
e3b83c5e SS	125	return SR_OK;
	126	}
	127
	128	static int dev_close(struct sr_dev_inst *sdi)
	129	{
f1ba6b4b	130	return sr_scpi_close(sdi->conn);
e3b83c5e SS	131	}
	132
	133	static int config_get(uint32_t key, GVariant **data,
952c7376	134	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	135	{
fcd6a8bd	136	int idx;
3f2c7c94 SS	137	struct dev_context *devc;
	138	const struct scope_config *model;
	139	struct scope_state *state;
e3b83c5e	140
3f2c7c94 SS	141	if (!sdi)
	142	return SR_ERR_ARG;
	143
	144	devc = sdi->priv;
e3b83c5e	145
3f2c7c94 SS	146	model = devc->model_config;
	147	state = devc->model_state;
	148	*data = NULL;
ea257cdc	149
e3b83c5e	150	switch (key) {
3f2c7c94 SS	151	case SR_CONF_NUM_HDIV:
3f2c7c94 SS	152	*data = g_variant_new_int32(model->num_xdivs);
3f2c7c94 SS	153	break;
	154	case SR_CONF_TIMEBASE:
	155	*data = g_variant_new("(tt)",
76f0fa5d UH	156	(*model->timebases)[state->timebase][0],
76f0fa5d UH	157	(*model->timebases)[state->timebase][1]);
3f2c7c94 SS	158	break;
3f2c7c94 SS	159	case SR_CONF_NUM_VDIV:
fcd6a8bd UH	160	if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0)
	161	return SR_ERR_ARG;
	162	*data = g_variant_new_int32(model->num_ydivs);
3f2c7c94 SS	163	break;
3f2c7c94 SS	164	case SR_CONF_VDIV:
fcd6a8bd UH	165	if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	166	return SR_ERR_ARG;
	167	*data = g_variant_new("(tt)",
952c7376 SA	168	(*model->vdivs)[state->analog_channels[idx].vdiv][0],
952c7376 SA	169	(*model->vdivs)[state->analog_channels[idx].vdiv][1]);
3f2c7c94 SS	170	break;
	171	case SR_CONF_TRIGGER_SOURCE:
	172	data = g_variant_new_string((model->trigger_sources)[state->trigger_source]);
3f2c7c94 SS	173	break;
	174	case SR_CONF_TRIGGER_SLOPE:
	175	data = g_variant_new_string((model->trigger_slopes)[state->trigger_slope]);
3f2c7c94 SS	176	break;
	177	case SR_CONF_HORIZ_TRIGGERPOS:
	178	*data = g_variant_new_double(state->horiz_triggerpos);
3f2c7c94 SS	179	break;
3f2c7c94 SS	180	case SR_CONF_COUPLING:
fcd6a8bd UH	181	if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	182	return SR_ERR_ARG;
	183	data = g_variant_new_string((model->coupling_options)[state->analog_channels[idx].coupling]);
3f2c7c94 SS	184	break;
	185	case SR_CONF_SAMPLERATE:
	186	*data = g_variant_new_uint64(state->sample_rate);
3f2c7c94 SS	187	break;
	188	case SR_CONF_ENABLED:
	189	*data = g_variant_new_boolean(FALSE);
3f2c7c94	190	break;
e3b83c5e	191	default:
a9010323	192	return SR_ERR_NA;
e3b83c5e	193	}
ea257cdc	194
a9010323	195	return SR_OK;
e3b83c5e SS	196	}
e3b83c5e SS	197
ea257cdc	198	static int config_set(uint32_t key, GVariant *data,
952c7376	199	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	200	{
fcd6a8bd	201	int ret, idx, j;
3f2c7c94 SS	202	char command[MAX_COMMAND_SIZE];
	203	struct dev_context *devc;
	204	const struct scope_config *model;
	205	struct scope_state *state;
3f2c7c94 SS	206	double tmp_d;
3f2c7c94 SS	207	gboolean update_sample_rate;
e3b83c5e	208
3f2c7c94 SS	209	if (!sdi)
3f2c7c94 SS	210	return SR_ERR_ARG;
e3b83c5e	211
3f2c7c94 SS	212	devc = sdi->priv;
	213
	214	model = devc->model_config;
	215	state = devc->model_state;
	216	update_sample_rate = FALSE;
	217
	218	ret = SR_ERR_NA;
e3b83c5e	219
e3b83c5e	220	switch (key) {
3f2c7c94 SS	221	case SR_CONF_LIMIT_FRAMES:
	222	devc->frame_limit = g_variant_get_uint64(data);
	223	ret = SR_OK;
	224	break;
	225	case SR_CONF_TRIGGER_SOURCE:
bd633efa UH	226	if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
	227	return SR_ERR_ARG;
	228	state->trigger_source = idx;
	229	g_snprintf(command, sizeof(command),
5000c12f	230	"TRIG_SELECT EDGE,SR,%s", (*model->trigger_sources)[idx]);
bd633efa	231	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	232	break;
3f2c7c94 SS	233	case SR_CONF_VDIV:
bd633efa UH	234	if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
bd633efa UH	235	return SR_ERR_ARG;
fcd6a8bd UH	236	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	237	return SR_ERR_ARG;
	238	state->analog_channels[j].vdiv = idx;
	239	g_snprintf(command, sizeof(command),
952c7376 SA	240	"C%d:VDIV %E", j + 1, (float) (model->vdivs)[idx][0] / (model->vdivs)[idx][1]);
952c7376 SA	241	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\| sr_scpi_get_opc(sdi->conn) != SR_OK)
fcd6a8bd	242	return SR_ERR;
bd633efa	243	ret = SR_OK;
3f2c7c94 SS	244	break;
3f2c7c94 SS	245	case SR_CONF_TIMEBASE:
bd633efa UH	246	if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0)
	247	return SR_ERR_ARG;
	248	state->timebase = idx;
	249	g_snprintf(command, sizeof(command),
952c7376	250	"TIME_DIV %E", (float) (model->timebases)[idx][0] / (model->timebases)[idx][1]);
bd633efa UH	251	ret = sr_scpi_send(sdi->conn, command);
bd633efa UH	252	update_sample_rate = TRUE;
3f2c7c94 SS	253	break;
	254	case SR_CONF_HORIZ_TRIGGERPOS:
	255	tmp_d = g_variant_get_double(data);
	256
	257	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	258	return SR_ERR;
	259
	260	state->horiz_triggerpos = tmp_d;
	261	tmp_d = -(tmp_d - 0.5) *
952c7376 SA	262	((double)(*model->timebases)[state->timebase][0] /
	263	(*model->timebases)[state->timebase][1])
	264	* model->num_xdivs;
3f2c7c94 SS	265
	266	g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);
	267
	268	ret = sr_scpi_send(sdi->conn, command);
	269	break;
	270	case SR_CONF_TRIGGER_SLOPE:
bd633efa UH	271	if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
	272	return SR_ERR_ARG;
	273	state->trigger_slope = idx;
	274	g_snprintf(command, sizeof(command),
5000c12f SA	275	"%s:TRIG_SLOPE %s", (*model->trigger_sources)[state->trigger_source],
5000c12f SA	276	(*model->trigger_slopes)[idx]);
bd633efa	277	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	278	break;
3f2c7c94 SS	279	case SR_CONF_COUPLING:
bd633efa UH	280	if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
bd633efa UH	281	return SR_ERR_ARG;
fcd6a8bd UH	282	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	283	return SR_ERR_ARG;
	284	state->analog_channels[j].coupling = idx;
	285	g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
	286	j + 1, (*model->coupling_options)[idx]);
952c7376	287	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\| sr_scpi_get_opc(sdi->conn) != SR_OK)
fcd6a8bd	288	return SR_ERR;
bd633efa	289	ret = SR_OK;
3f2c7c94	290	break;
e3b83c5e SS	291	default:
e3b83c5e SS	292	ret = SR_ERR_NA;
3f2c7c94	293	break;
e3b83c5e SS	294	}
e3b83c5e SS	295
3f2c7c94 SS	296	if (ret == SR_OK)
	297	ret = sr_scpi_get_opc(sdi->conn);
	298
	299	if (ret == SR_OK && update_sample_rate)
	300	ret = lecroy_xstream_update_sample_rate(sdi);
	301
e3b83c5e SS	302	return ret;
	303	}
	304
79100d4e SA	305	static int config_channel_set(const struct sr_dev_inst *sdi,
	306	struct sr_channel *ch, unsigned int changes)
	307	{
	308	/* Currently we only handle SR_CHANNEL_SET_ENABLED. */
	309	if (changes != SR_CHANNEL_SET_ENABLED)
	310	return SR_ERR_NA;
	311
	312	return lecroy_xstream_channel_state_set(sdi, ch->index, ch->enabled);
	313	}
	314
ea257cdc	315	static int config_list(uint32_t key, GVariant **data,
952c7376	316	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	317	{
e66d1892 UH	318	struct dev_context *devc;
e66d1892 UH	319	const struct scope_config *model;
90230cfa	320
e66d1892 UH	321	devc = (sdi) ? sdi->priv : NULL;
e66d1892 UH	322	model = (devc) ? devc->model_config : NULL;
90230cfa SA	323
90230cfa SA	324	switch (key) {
e66d1892 UH	325	case SR_CONF_SCAN_OPTIONS:
e66d1892 UH	326	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, NULL);
3f2c7c94	327	case SR_CONF_DEVICE_OPTIONS:
e66d1892 UH	328	if (!cg)
e66d1892 UH	329	return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
53012da6	330	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
3f2c7c94 SS	331	break;
3f2c7c94 SS	332	case SR_CONF_COUPLING:
692716f5	333	data = g_variant_new_strv(model->coupling_options, model->num_coupling_options);
3f2c7c94 SS	334	break;
	335	case SR_CONF_TRIGGER_SOURCE:
	336	if (!model)
	337	return SR_ERR_ARG;
692716f5	338	data = g_variant_new_strv(model->trigger_sources, model->num_trigger_sources);
3f2c7c94 SS	339	break;
	340	case SR_CONF_TRIGGER_SLOPE:
	341	if (!model)
	342	return SR_ERR_ARG;
692716f5	343	data = g_variant_new_strv(model->trigger_slopes, model->num_trigger_slopes);
3f2c7c94 SS	344	break;
	345	case SR_CONF_TIMEBASE:
	346	if (!model)
	347	return SR_ERR_ARG;
76f0fa5d	348	data = std_gvar_tuple_array(model->timebases, model->num_timebases);
3f2c7c94 SS	349	break;
	350	case SR_CONF_VDIV:
	351	if (!model)
	352	return SR_ERR_ARG;
76f0fa5d	353	data = std_gvar_tuple_array(model->vdivs, model->num_vdivs);
3f2c7c94	354	break;
e3b83c5e SS	355	default:
	356	return SR_ERR_NA;
	357	}
758906aa	358
3f2c7c94 SS	359	return SR_OK;
3f2c7c94 SS	360	}
e3b83c5e	361
3f2c7c94 SS	362	SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
	363	{
	364	char command[MAX_COMMAND_SIZE];
	365	struct sr_channel *ch;
	366	struct dev_context *devc;
	367
	368	devc = sdi->priv;
3f2c7c94 SS	369	ch = devc->current_channel->data;
	370
	371	if (ch->type != SR_CHANNEL_ANALOG)
	372	return SR_ERR;
	373
952c7376	374	g_snprintf(command, sizeof(command), "C%d:WAVEFORM?", ch->index + 1);
3f2c7c94 SS	375	return sr_scpi_send(sdi->conn, command);
	376	}
	377
6d13a46c	378	static int setup_channels(const struct sr_dev_inst *sdi)
3f2c7c94 SS	379	{
	380	GSList *l;
	381	gboolean setup_changed;
	382	char command[MAX_COMMAND_SIZE];
	383	struct scope_state *state;
	384	struct sr_channel *ch;
	385	struct dev_context *devc;
	386	struct sr_scpi_dev_inst *scpi;
	387
	388	devc = sdi->priv;
	389	scpi = sdi->conn;
	390	state = devc->model_state;
	391	setup_changed = FALSE;
	392
	393	for (l = sdi->channels; l; l = l->next) {
	394	ch = l->data;
	395	switch (ch->type) {
	396	case SR_CHANNEL_ANALOG:
	397	if (ch->enabled == state->analog_channels[ch->index].state)
	398	break;
	399	g_snprintf(command, sizeof(command), "C%d:TRACE %s",
952c7376	400	ch->index + 1, ch->enabled ? "ON" : "OFF");
3f2c7c94 SS	401
	402	if (sr_scpi_send(scpi, command) != SR_OK)
	403	return SR_ERR;
952c7376	404
3f2c7c94 SS	405	state->analog_channels[ch->index].state = ch->enabled;
	406	setup_changed = TRUE;
	407	break;
	408	default:
	409	return SR_ERR;
	410	}
	411	}
	412
	413	if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK)
	414	return SR_ERR;
	415
	416	return SR_OK;
e3b83c5e SS	417	}
	418
	419	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	420	{
3f2c7c94 SS	421	GSList *l;
	422	struct sr_channel *ch;
	423	struct dev_context *devc;
	424	int ret;
	425	struct sr_scpi_dev_inst *scpi;
	426
3f2c7c94 SS	427	devc = sdi->priv;
3f2c7c94 SS	428	scpi = sdi->conn;
ca314e06	429
3f2c7c94 SS	430	/* Preset empty results. */
	431	g_slist_free(devc->enabled_channels);
	432	devc->enabled_channels = NULL;
	433
6e9606db	434	/* Contruct the list of enabled channels. */
3f2c7c94 SS	435	for (l = sdi->channels; l; l = l->next) {
	436	ch = l->data;
	437	if (!ch->enabled)
	438	continue;
6e9606db SA	439
6e9606db SA	440	devc->enabled_channels = g_slist_append(devc->enabled_channels, ch);
3f2c7c94	441	}
e3b83c5e	442
3f2c7c94 SS	443	if (!devc->enabled_channels)
	444	return SR_ERR;
	445
6e9606db	446	/* Configure the analog channels. */
6d13a46c	447	if (setup_channels(sdi) != SR_OK) {
3f2c7c94 SS	448	sr_err("Failed to setup channel configuration!");
	449	ret = SR_ERR;
	450	goto free_enabled;
	451	}
	452
	453	/*
	454	* Start acquisition on the first enabled channel. The
	455	* receive routine will continue driving the acquisition.
	456	*/
	457	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
	458	lecroy_xstream_receive_data, (void *)sdi);
	459
	460	std_session_send_df_header(sdi);
	461
	462	devc->current_channel = devc->enabled_channels;
	463
	464	return lecroy_xstream_request_data(sdi);
	465
	466	free_enabled:
	467	g_slist_free(devc->enabled_channels);
	468	devc->enabled_channels = NULL;
ea257cdc	469
3f2c7c94	470	return ret;
e3b83c5e SS	471	}
	472
	473	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	474	{
3f2c7c94 SS	475	struct dev_context *devc;
	476	struct sr_scpi_dev_inst *scpi;
	477
	478	std_session_send_df_end(sdi);
	479
3f2c7c94 SS	480	devc = sdi->priv;
	481
	482	devc->num_frames = 0;
	483	g_slist_free(devc->enabled_channels);
	484	devc->enabled_channels = NULL;
	485	scpi = sdi->conn;
	486	sr_scpi_source_remove(sdi->session, scpi);
e3b83c5e SS	487
	488	return SR_OK;
	489	}
	490
3f2c7c94	491	static struct sr_dev_driver lecroy_xstream_driver_info = {
e3b83c5e	492	.name = "lecroy-xstream",
bb08570f	493	.longname = "LeCroy X-Stream",
e3b83c5e SS	494	.api_version = 1,
	495	.init = std_init,
	496	.cleanup = std_cleanup,
	497	.scan = scan,
	498	.dev_list = std_dev_list,
	499	.dev_clear = dev_clear,
	500	.config_get = config_get,
	501	.config_set = config_set,
79100d4e	502	.config_channel_set = config_channel_set,
e3b83c5e SS	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);