[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_serial_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_serial_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)
{
	unsigned int i;
	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].p,
				model->timebases[state->timebase].q);
		break;
	case SR_CONF_NUM_VDIV:
		for (i = 0; i < model->analog_channels; i++) {
			if (cg != devc->analog_groups[i])
				continue;
			*data = g_variant_new_int32(model->num_ydivs);
		}
		break;
	case SR_CONF_VDIV:
		for (i = 0; i < model->analog_channels; i++) {
			if (cg != devc->analog_groups[i])
				continue;
			*data = g_variant_new("(tt)",
				model->vdivs[state->analog_channels[i].vdiv].p,
				model->vdivs[state->analog_channels[i].vdiv].q);
		}
		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:
		for (i = 0; i < model->analog_channels; i++) {
			if (cg != devc->analog_groups[i])
				continue;
			*data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].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;
	unsigned int i, j;
	char command[MAX_COMMAND_SIZE];
	struct dev_context *devc;
	const struct scope_config *model;
	struct scope_state *state;
	const char *tmp;
	int64_t p;
	uint64_t q;
	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:
		tmp = g_variant_get_string(data, NULL);
		for (i = 0; (*model->trigger_sources)[i]; i++) {
			if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
				continue;
			state->trigger_source = i;
			g_snprintf(command, sizeof(command),
					"SET TRIGGER SOURCE %s",
					(*model->trigger_sources)[i]);

			ret = sr_scpi_send(sdi->conn, command);
			break;
		}
		break;
	case SR_CONF_VDIV:
		g_variant_get(data, "(tt)", &p, &q);

		for (i = 0; i < model->num_vdivs; i++) {
			if (p != model->vdivs[i].p || q != model->vdivs[i].q)
				continue;
			for (j = 1; j <= model->analog_channels; j++) {
				if (cg != devc->analog_groups[j - 1])
					continue;
				state->analog_channels[j - 1].vdiv = i;
				g_snprintf(command, sizeof(command),
						"C%d:VDIV %E", j, (float)p/q);

				if (sr_scpi_send(sdi->conn, command) != SR_OK ||
				    sr_scpi_get_opc(sdi->conn) != SR_OK)
					return SR_ERR;

				break;
			}

			ret = SR_OK;
			break;
		}
		break;
	case SR_CONF_TIMEBASE:
		g_variant_get(data, "(tt)", &p, &q);

		for (i = 0; i < model->num_timebases; i++) {
			if (p != model->timebases[i].p ||
			    q != model->timebases[i].q)
				continue;
			state->timebase = i;
			g_snprintf(command, sizeof(command),
					"TIME_DIV %E", (float)p/q);

			ret = sr_scpi_send(sdi->conn, command);
			update_sample_rate = TRUE;
			break;
		}
		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].p /
			 model->timebases[state->timebase].q)
			 * 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:
		tmp = g_variant_get_string(data, NULL);
		for (i = 0; (*model->trigger_slopes)[i]; i++) {
			if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0)
				continue;
			state->trigger_slope = i;
			g_snprintf(command, sizeof(command),
					"SET TRIGGER SLOPE %s",
					(*model->trigger_slopes)[i]);

			ret = sr_scpi_send(sdi->conn, command);
			break;
		}
		break;
	case SR_CONF_COUPLING:
		tmp = g_variant_get_string(data, NULL);

		for (i = 0; (*model->coupling_options)[i]; i++) {
			if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
				continue;
			for (j = 1; j <= model->analog_channels; j++) {
				if (cg != devc->analog_groups[j - 1])
					continue;
				state->analog_channels[j - 1].coupling = i;

				g_snprintf(command, sizeof(command),
						"C%d:COUPLING %s", j, tmp);

				if (sr_scpi_send(sdi->conn, command) != SR_OK ||
				    sr_scpi_get_opc(sdi->conn) != SR_OK)
					return SR_ERR;
				break;
			}

			ret = SR_OK;
			break;
		}
		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,
			   g_strv_length((char **)*model->coupling_options));
		break;
	case SR_CONF_TRIGGER_SOURCE:
		if (!model)
			return SR_ERR_ARG;
		*data = g_variant_new_strv(*model->trigger_sources,
			   g_strv_length((char **)*model->trigger_sources));
		break;
	case SR_CONF_TRIGGER_SLOPE:
		if (!model)
			return SR_ERR_ARG;
		*data = g_variant_new_strv(*model->trigger_slopes,
			   g_strv_length((char **)*model->trigger_slopes));
		break;
	case SR_CONF_TIMEBASE:
		if (!model)
			return SR_ERR_ARG;
		*data = std_gvar_tuple_rational(model->timebases, model->num_timebases);
		break;
	case SR_CONF_VDIV:
		if (!model)
			return SR_ERR_ARG;
		*data = std_gvar_tuple_rational(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
3f2c7c94 SS	55	static struct sr_dev_inst probe_serial_device(struct sr_scpi_dev_inst scpi)
	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	{
3f2c7c94 SS	104	return sr_scpi_scan(di->context, options, probe_serial_device);
	105	}
	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	{
3f2c7c94 SS	137	unsigned int i;
	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)",
ea257cdc UH	157	model->timebases[state->timebase].p,
ea257cdc UH	158	model->timebases[state->timebase].q);
3f2c7c94 SS	159	break;
	160	case SR_CONF_NUM_VDIV:
	161	for (i = 0; i < model->analog_channels; i++) {
	162	if (cg != devc->analog_groups[i])
	163	continue;
	164	*data = g_variant_new_int32(model->num_ydivs);
3f2c7c94 SS	165	}
	166	break;
	167	case SR_CONF_VDIV:
	168	for (i = 0; i < model->analog_channels; i++) {
	169	if (cg != devc->analog_groups[i])
	170	continue;
	171	*data = g_variant_new("(tt)",
ea257cdc UH	172	model->vdivs[state->analog_channels[i].vdiv].p,
ea257cdc UH	173	model->vdivs[state->analog_channels[i].vdiv].q);
3f2c7c94 SS	174	}
	175	break;
	176	case SR_CONF_TRIGGER_SOURCE:
	177	data = g_variant_new_string((model->trigger_sources)[state->trigger_source]);
3f2c7c94 SS	178	break;
	179	case SR_CONF_TRIGGER_SLOPE:
	180	data = g_variant_new_string((model->trigger_slopes)[state->trigger_slope]);
3f2c7c94 SS	181	break;
	182	case SR_CONF_HORIZ_TRIGGERPOS:
	183	*data = g_variant_new_double(state->horiz_triggerpos);
3f2c7c94 SS	184	break;
3f2c7c94 SS	185	case SR_CONF_COUPLING:
3f2c7c94	186	for (i = 0; i < model->analog_channels; i++) {
ea257cdc	187	if (cg != devc->analog_groups[i])
3f2c7c94	188	continue;
3f2c7c94	189	data = g_variant_new_string((model->coupling_options)[state->analog_channels[i].coupling]);
3f2c7c94 SS	190	}
	191	break;
	192	case SR_CONF_SAMPLERATE:
	193	*data = g_variant_new_uint64(state->sample_rate);
3f2c7c94 SS	194	break;
	195	case SR_CONF_ENABLED:
	196	*data = g_variant_new_boolean(FALSE);
3f2c7c94	197	break;
e3b83c5e	198	default:
a9010323	199	return SR_ERR_NA;
e3b83c5e	200	}
ea257cdc	201
a9010323	202	return SR_OK;
e3b83c5e SS	203	}
e3b83c5e SS	204
ea257cdc UH	205	static int config_set(uint32_t key, GVariant *data,
ea257cdc UH	206	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e SS	207	{
e3b83c5e SS	208	int ret;
3f2c7c94 SS	209	unsigned int i, j;
	210	char command[MAX_COMMAND_SIZE];
	211	struct dev_context *devc;
	212	const struct scope_config *model;
	213	struct scope_state *state;
	214	const char *tmp;
	215	int64_t p;
	216	uint64_t q;
	217	double tmp_d;
	218	gboolean update_sample_rate;
e3b83c5e	219
3f2c7c94 SS	220	if (!sdi)
3f2c7c94 SS	221	return SR_ERR_ARG;
e3b83c5e	222
3f2c7c94 SS	223	devc = sdi->priv;
	224
	225	model = devc->model_config;
	226	state = devc->model_state;
	227	update_sample_rate = FALSE;
	228
	229	ret = SR_ERR_NA;
e3b83c5e	230
e3b83c5e	231	switch (key) {
3f2c7c94 SS	232	case SR_CONF_LIMIT_FRAMES:
	233	devc->frame_limit = g_variant_get_uint64(data);
	234	ret = SR_OK;
	235	break;
	236	case SR_CONF_TRIGGER_SOURCE:
	237	tmp = g_variant_get_string(data, NULL);
	238	for (i = 0; (*model->trigger_sources)[i]; i++) {
	239	if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
	240	continue;
	241	state->trigger_source = i;
	242	g_snprintf(command, sizeof(command),
	243	"SET TRIGGER SOURCE %s",
	244	(*model->trigger_sources)[i]);
	245
	246	ret = sr_scpi_send(sdi->conn, command);
	247	break;
	248	}
	249	break;
	250	case SR_CONF_VDIV:
	251	g_variant_get(data, "(tt)", &p, &q);
	252
	253	for (i = 0; i < model->num_vdivs; i++) {
	254	if (p != model->vdivs[i].p \|\| q != model->vdivs[i].q)
	255	continue;
	256	for (j = 1; j <= model->analog_channels; j++) {
	257	if (cg != devc->analog_groups[j - 1])
	258	continue;
	259	state->analog_channels[j - 1].vdiv = i;
	260	g_snprintf(command, sizeof(command),
	261	"C%d:VDIV %E", j, (float)p/q);
	262
	263	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\|
	264	sr_scpi_get_opc(sdi->conn) != SR_OK)
	265	return SR_ERR;
	266
	267	break;
	268	}
	269
	270	ret = SR_OK;
	271	break;
	272	}
	273	break;
	274	case SR_CONF_TIMEBASE:
	275	g_variant_get(data, "(tt)", &p, &q);
	276
	277	for (i = 0; i < model->num_timebases; i++) {
	278	if (p != model->timebases[i].p \|\|
	279	q != model->timebases[i].q)
	280	continue;
	281	state->timebase = i;
	282	g_snprintf(command, sizeof(command),
	283	"TIME_DIV %E", (float)p/q);
	284
	285	ret = sr_scpi_send(sdi->conn, command);
	286	update_sample_rate = TRUE;
	287	break;
	288	}
	289	break;
	290	case SR_CONF_HORIZ_TRIGGERPOS:
	291	tmp_d = g_variant_get_double(data);
	292
	293	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	294	return SR_ERR;
	295
296	state->horiz_triggerpos = tmp_d;
297	tmp_d = -(tmp_d - 0.5) *
298	((double)model->timebases[state->timebase].p /
299	model->timebases[state->timebase].q)
300	* model->num_xdivs;
301
302	g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);
303
304	ret = sr_scpi_send(sdi->conn, command);
305	break;
306	case SR_CONF_TRIGGER_SLOPE:
307	tmp = g_variant_get_string(data, NULL);
308	for (i = 0; (*model->trigger_slopes)[i]; i++) {
309	if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0)
310	continue;
311	state->trigger_slope = i;
312	g_snprintf(command, sizeof(command),
313	"SET TRIGGER SLOPE %s",
314	(*model->trigger_slopes)[i]);
315
316	ret = sr_scpi_send(sdi->conn, command);
317	break;
318	}
319	break;
320	case SR_CONF_COUPLING:
3f2c7c94 SS	321	tmp = g_variant_get_string(data, NULL);
	322
	323	for (i = 0; (*model->coupling_options)[i]; i++) {
	324	if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
	325	continue;
	326	for (j = 1; j <= model->analog_channels; j++) {
	327	if (cg != devc->analog_groups[j - 1])
	328	continue;
ea257cdc	329	state->analog_channels[j - 1].coupling = i;
3f2c7c94 SS	330
	331	g_snprintf(command, sizeof(command),
	332	"C%d:COUPLING %s", j, tmp);
	333
	334	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\|
	335	sr_scpi_get_opc(sdi->conn) != SR_OK)
	336	return SR_ERR;
	337	break;
	338	}
	339
	340	ret = SR_OK;
	341	break;
	342	}
	343	break;
e3b83c5e SS	344	default:
e3b83c5e SS	345	ret = SR_ERR_NA;
3f2c7c94	346	break;
e3b83c5e SS	347	}
e3b83c5e SS	348
3f2c7c94 SS	349	if (ret == SR_OK)
	350	ret = sr_scpi_get_opc(sdi->conn);
	351
	352	if (ret == SR_OK && update_sample_rate)
	353	ret = lecroy_xstream_update_sample_rate(sdi);
	354
e3b83c5e SS	355	return ret;
	356	}
	357
ea257cdc UH	358	static int config_list(uint32_t key, GVariant **data,
ea257cdc UH	359	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
e3b83c5e	360	{
e66d1892 UH	361	struct dev_context *devc;
e66d1892 UH	362	const struct scope_config *model;
90230cfa	363
e66d1892 UH	364	devc = (sdi) ? sdi->priv : NULL;
e66d1892 UH	365	model = (devc) ? devc->model_config : NULL;
90230cfa SA	366
90230cfa SA	367	switch (key) {
e66d1892 UH	368	case SR_CONF_SCAN_OPTIONS:
e66d1892 UH	369	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NULL, NULL);
3f2c7c94	370	case SR_CONF_DEVICE_OPTIONS:
e66d1892 UH	371	if (!cg)
e66d1892 UH	372	return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts);
53012da6	373	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
3f2c7c94 SS	374	break;
	375	case SR_CONF_COUPLING:
	376	data = g_variant_new_strv(model->coupling_options,
	377	g_strv_length((char *)model->coupling_options));
	378	break;
	379	case SR_CONF_TRIGGER_SOURCE:
	380	if (!model)
	381	return SR_ERR_ARG;
	382	data = g_variant_new_strv(model->trigger_sources,
	383	g_strv_length((char *)model->trigger_sources));
	384	break;
	385	case SR_CONF_TRIGGER_SLOPE:
	386	if (!model)
	387	return SR_ERR_ARG;
	388	data = g_variant_new_strv(model->trigger_slopes,
	389	g_strv_length((char *)model->trigger_slopes));
	390	break;
	391	case SR_CONF_TIMEBASE:
	392	if (!model)
	393	return SR_ERR_ARG;
db944f16	394	*data = std_gvar_tuple_rational(model->timebases, model->num_timebases);
3f2c7c94 SS	395	break;
	396	case SR_CONF_VDIV:
	397	if (!model)
	398	return SR_ERR_ARG;
db944f16	399	*data = std_gvar_tuple_rational(model->vdivs, model->num_vdivs);
3f2c7c94	400	break;
e3b83c5e SS	401	default:
	402	return SR_ERR_NA;
	403	}
3f2c7c94 SS	404	return SR_OK;
3f2c7c94 SS	405	}
e3b83c5e	406
3f2c7c94 SS	407	SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
	408	{
	409	char command[MAX_COMMAND_SIZE];
	410	struct sr_channel *ch;
	411	struct dev_context *devc;
	412
	413	devc = sdi->priv;
	414
	415	ch = devc->current_channel->data;
	416
	417	if (ch->type != SR_CHANNEL_ANALOG)
	418	return SR_ERR;
	419
	420	g_snprintf(command, sizeof(command),
ea257cdc	421	"COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1);
3f2c7c94 SS	422	return sr_scpi_send(sdi->conn, command);
	423	}
	424
6d13a46c	425	static int setup_channels(const struct sr_dev_inst *sdi)
3f2c7c94 SS	426	{
	427	GSList *l;
	428	gboolean setup_changed;
	429	char command[MAX_COMMAND_SIZE];
	430	struct scope_state *state;
	431	struct sr_channel *ch;
	432	struct dev_context *devc;
	433	struct sr_scpi_dev_inst *scpi;
	434
	435	devc = sdi->priv;
	436	scpi = sdi->conn;
	437	state = devc->model_state;
	438	setup_changed = FALSE;
	439
	440	for (l = sdi->channels; l; l = l->next) {
	441	ch = l->data;
	442	switch (ch->type) {
	443	case SR_CHANNEL_ANALOG:
	444	if (ch->enabled == state->analog_channels[ch->index].state)
	445	break;
	446	g_snprintf(command, sizeof(command), "C%d:TRACE %s",
ea257cdc	447	ch->index + 1, ch->enabled ? "ON" : "OFF");
3f2c7c94 SS	448
	449	if (sr_scpi_send(scpi, command) != SR_OK)
	450	return SR_ERR;
	451	state->analog_channels[ch->index].state = ch->enabled;
	452	setup_changed = TRUE;
	453	break;
	454	default:
	455	return SR_ERR;
	456	}
	457	}
	458
	459	if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK)
	460	return SR_ERR;
	461
	462	return SR_OK;
e3b83c5e SS	463	}
	464
	465	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	466	{
3f2c7c94 SS	467	GSList *l;
	468	struct sr_channel *ch;
	469	struct dev_context *devc;
	470	int ret;
	471	struct sr_scpi_dev_inst *scpi;
	472
3f2c7c94 SS	473	devc = sdi->priv;
3f2c7c94 SS	474	scpi = sdi->conn;
ca314e06	475
3f2c7c94 SS	476	/* Preset empty results. */
	477	g_slist_free(devc->enabled_channels);
	478	devc->enabled_channels = NULL;
	479
	480	/*
	481	* Contruct the list of enabled channels. Determine the highest
	482	* number of digital pods involved in the acquisition.
	483	*/
	484
	485	for (l = sdi->channels; l; l = l->next) {
	486	ch = l->data;
	487	if (!ch->enabled)
	488	continue;
	489	/* Only add a single digital channel per group (pod). */
	490	devc->enabled_channels = g_slist_append(
	491	devc->enabled_channels, ch);
	492	}
e3b83c5e	493
3f2c7c94 SS	494	if (!devc->enabled_channels)
	495	return SR_ERR;
	496
	497	/*
	498	* Configure the analog channels and the
	499	* corresponding digital pods.
	500	*/
6d13a46c	501	if (setup_channels(sdi) != SR_OK) {
3f2c7c94 SS	502	sr_err("Failed to setup channel configuration!");
	503	ret = SR_ERR;
	504	goto free_enabled;
	505	}
	506
	507	/*
	508	* Start acquisition on the first enabled channel. The
	509	* receive routine will continue driving the acquisition.
	510	*/
	511	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
	512	lecroy_xstream_receive_data, (void *)sdi);
	513
	514	std_session_send_df_header(sdi);
	515
	516	devc->current_channel = devc->enabled_channels;
	517
	518	return lecroy_xstream_request_data(sdi);
	519
	520	free_enabled:
	521	g_slist_free(devc->enabled_channels);
	522	devc->enabled_channels = NULL;
ea257cdc	523
3f2c7c94	524	return ret;
e3b83c5e SS	525	}
	526
	527	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	528	{
3f2c7c94 SS	529	struct dev_context *devc;
	530	struct sr_scpi_dev_inst *scpi;
	531
	532	std_session_send_df_end(sdi);
	533
3f2c7c94 SS	534	devc = sdi->priv;
	535
	536	devc->num_frames = 0;
	537	g_slist_free(devc->enabled_channels);
	538	devc->enabled_channels = NULL;
	539	scpi = sdi->conn;
	540	sr_scpi_source_remove(sdi->session, scpi);
e3b83c5e SS	541
	542	return SR_OK;
	543	}
	544
3f2c7c94	545	static struct sr_dev_driver lecroy_xstream_driver_info = {
e3b83c5e	546	.name = "lecroy-xstream",
bb08570f	547	.longname = "LeCroy X-Stream",
e3b83c5e SS	548	.api_version = 1,
	549	.init = std_init,
	550	.cleanup = std_cleanup,
	551	.scan = scan,
	552	.dev_list = std_dev_list,
	553	.dev_clear = dev_clear,
	554	.config_get = config_get,
	555	.config_set = config_set,
	556	.config_list = config_list,
	557	.dev_open = dev_open,
	558	.dev_close = dev_close,
	559	.dev_acquisition_start = dev_acquisition_start,
	560	.dev_acquisition_stop = dev_acquisition_stop,
	561	.context = NULL,
	562	};
e3b83c5e	563	SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);