[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;

	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

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

	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);
		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);

	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, NO_OPTS, NO_OPTS);
	case SR_CONF_DEVICE_OPTIONS:
		if (!cg)
			return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts);
		*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
		break;
	case SR_CONF_COUPLING:
		if (!model)
			return SR_ERR_ARG;
		*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;

	/*
	 * We may be left with an invalid current_channel if acquisition was
	 * already stopped but we are processing the last pending events.
	 */
	if (!devc->current_channel)
		return SR_ERR_NA;

	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;
	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;

	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;
			break;
		default:
			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;
	struct scope_state *state;
	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;
	state = devc->model_state;
	state->sample_rate = 0;

	/* 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	206	double tmp_d;
e3b83c5e	207
3f2c7c94 SS	208	if (!sdi)
3f2c7c94 SS	209	return SR_ERR_ARG;
e3b83c5e	210
3f2c7c94 SS	211	devc = sdi->priv;
	212
	213	model = devc->model_config;
	214	state = devc->model_state;
3f2c7c94	215
e3b83c5e	216	switch (key) {
3f2c7c94 SS	217	case SR_CONF_LIMIT_FRAMES:
	218	devc->frame_limit = g_variant_get_uint64(data);
	219	ret = SR_OK;
	220	break;
	221	case SR_CONF_TRIGGER_SOURCE:
bd633efa UH	222	if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0)
	223	return SR_ERR_ARG;
	224	state->trigger_source = idx;
	225	g_snprintf(command, sizeof(command),
5000c12f	226	"TRIG_SELECT EDGE,SR,%s", (*model->trigger_sources)[idx]);
bd633efa	227	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	228	break;
3f2c7c94 SS	229	case SR_CONF_VDIV:
bd633efa UH	230	if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0)
bd633efa UH	231	return SR_ERR_ARG;
fcd6a8bd UH	232	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	233	return SR_ERR_ARG;
	234	state->analog_channels[j].vdiv = idx;
	235	g_snprintf(command, sizeof(command),
952c7376 SA	236	"C%d:VDIV %E", j + 1, (float) (model->vdivs)[idx][0] / (model->vdivs)[idx][1]);
952c7376 SA	237	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\| sr_scpi_get_opc(sdi->conn) != SR_OK)
fcd6a8bd	238	return SR_ERR;
bd633efa	239	ret = SR_OK;
3f2c7c94 SS	240	break;
3f2c7c94 SS	241	case SR_CONF_TIMEBASE:
bd633efa UH	242	if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0)
	243	return SR_ERR_ARG;
	244	state->timebase = idx;
	245	g_snprintf(command, sizeof(command),
952c7376	246	"TIME_DIV %E", (float) (model->timebases)[idx][0] / (model->timebases)[idx][1]);
bd633efa	247	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	248	break;
	249	case SR_CONF_HORIZ_TRIGGERPOS:
	250	tmp_d = g_variant_get_double(data);
	251
	252	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	253	return SR_ERR;
	254
	255	state->horiz_triggerpos = tmp_d;
	256	tmp_d = -(tmp_d - 0.5) *
952c7376 SA	257	((double)(*model->timebases)[state->timebase][0] /
	258	(*model->timebases)[state->timebase][1])
	259	* model->num_xdivs;
3f2c7c94 SS	260
	261	g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d);
	262
	263	ret = sr_scpi_send(sdi->conn, command);
	264	break;
	265	case SR_CONF_TRIGGER_SLOPE:
bd633efa UH	266	if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0)
	267	return SR_ERR_ARG;
	268	state->trigger_slope = idx;
	269	g_snprintf(command, sizeof(command),
5000c12f SA	270	"%s:TRIG_SLOPE %s", (*model->trigger_sources)[state->trigger_source],
5000c12f SA	271	(*model->trigger_slopes)[idx]);
bd633efa	272	ret = sr_scpi_send(sdi->conn, command);
3f2c7c94 SS	273	break;
3f2c7c94 SS	274	case SR_CONF_COUPLING:
bd633efa UH	275	if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0)
bd633efa UH	276	return SR_ERR_ARG;
fcd6a8bd UH	277	if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0)
	278	return SR_ERR_ARG;
	279	state->analog_channels[j].coupling = idx;
	280	g_snprintf(command, sizeof(command), "C%d:COUPLING %s",
	281	j + 1, (*model->coupling_options)[idx]);
952c7376	282	if (sr_scpi_send(sdi->conn, command) != SR_OK \|\| sr_scpi_get_opc(sdi->conn) != SR_OK)
fcd6a8bd	283	return SR_ERR;
bd633efa	284	ret = SR_OK;
3f2c7c94	285	break;
e3b83c5e SS	286	default:
e3b83c5e SS	287	ret = SR_ERR_NA;
3f2c7c94	288	break;
e3b83c5e SS	289	}
e3b83c5e SS	290
3f2c7c94 SS	291	if (ret == SR_OK)
	292	ret = sr_scpi_get_opc(sdi->conn);
	293
e3b83c5e SS	294	return ret;
	295	}
	296
79100d4e SA	297	static int config_channel_set(const struct sr_dev_inst *sdi,
	298	struct sr_channel *ch, unsigned int changes)
	299	{
	300	/* Currently we only handle SR_CHANNEL_SET_ENABLED. */
	301	if (changes != SR_CHANNEL_SET_ENABLED)
	302	return SR_ERR_NA;
	303
	304	return lecroy_xstream_channel_state_set(sdi, ch->index, ch->enabled);
	305	}
	306
ea257cdc	307	static int config_list(uint32_t key, GVariant **data,
952c7376	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	317	case SR_CONF_SCAN_OPTIONS:
23772462	318	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, NO_OPTS, NO_OPTS);
3f2c7c94	319	case SR_CONF_DEVICE_OPTIONS:
e66d1892	320	if (!cg)
23772462	321	return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, 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:
f62c2ad6 GS	325	if (!model)
f62c2ad6 GS	326	return SR_ERR_ARG;
692716f5	327	data = g_variant_new_strv(model->coupling_options, model->num_coupling_options);
3f2c7c94 SS	328	break;
	329	case SR_CONF_TRIGGER_SOURCE:
	330	if (!model)
	331	return SR_ERR_ARG;
692716f5	332	data = g_variant_new_strv(model->trigger_sources, model->num_trigger_sources);
3f2c7c94 SS	333	break;
	334	case SR_CONF_TRIGGER_SLOPE:
	335	if (!model)
	336	return SR_ERR_ARG;
692716f5	337	data = g_variant_new_strv(model->trigger_slopes, model->num_trigger_slopes);
3f2c7c94 SS	338	break;
	339	case SR_CONF_TIMEBASE:
	340	if (!model)
	341	return SR_ERR_ARG;
76f0fa5d	342	data = std_gvar_tuple_array(model->timebases, model->num_timebases);
3f2c7c94 SS	343	break;
	344	case SR_CONF_VDIV:
	345	if (!model)
	346	return SR_ERR_ARG;
76f0fa5d	347	data = std_gvar_tuple_array(model->vdivs, model->num_vdivs);
3f2c7c94	348	break;
e3b83c5e SS	349	default:
	350	return SR_ERR_NA;
	351	}
758906aa	352
3f2c7c94 SS	353	return SR_OK;
3f2c7c94 SS	354	}
e3b83c5e	355
3f2c7c94 SS	356	SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi)
	357	{
	358	char command[MAX_COMMAND_SIZE];
	359	struct sr_channel *ch;
	360	struct dev_context *devc;
	361
	362	devc = sdi->priv;
724b4945 SA	363
	364	/*
	365	* We may be left with an invalid current_channel if acquisition was
	366	* already stopped but we are processing the last pending events.
	367	*/
	368	if (!devc->current_channel)
	369	return SR_ERR_NA;
	370
3f2c7c94 SS	371	ch = devc->current_channel->data;
	372
	373	if (ch->type != SR_CHANNEL_ANALOG)
	374	return SR_ERR;
	375
952c7376	376	g_snprintf(command, sizeof(command), "C%d:WAVEFORM?", ch->index + 1);
3f2c7c94 SS	377	return sr_scpi_send(sdi->conn, command);
	378	}
	379
6d13a46c	380	static int setup_channels(const struct sr_dev_inst *sdi)
3f2c7c94 SS	381	{
3f2c7c94 SS	382	GSList *l;
3f2c7c94 SS	383	char command[MAX_COMMAND_SIZE];
	384	struct scope_state *state;
	385	struct sr_channel *ch;
	386	struct dev_context *devc;
	387	struct sr_scpi_dev_inst *scpi;
	388
	389	devc = sdi->priv;
	390	scpi = sdi->conn;
	391	state = devc->model_state;
3f2c7c94 SS	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	405	state->analog_channels[ch->index].state = ch->enabled;
3f2c7c94 SS	406	break;
	407	default:
	408	return SR_ERR;
	409	}
	410	}
	411
3f2c7c94	412	return SR_OK;
e3b83c5e SS	413	}
	414
	415	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	416	{
3f2c7c94 SS	417	GSList *l;
	418	struct sr_channel *ch;
	419	struct dev_context *devc;
e0b6855b	420	struct scope_state *state;
3f2c7c94 SS	421	int ret;
	422	struct sr_scpi_dev_inst *scpi;
	423
3f2c7c94 SS	424	devc = sdi->priv;
3f2c7c94 SS	425	scpi = sdi->conn;
ca314e06	426
3f2c7c94 SS	427	/* Preset empty results. */
	428	g_slist_free(devc->enabled_channels);
	429	devc->enabled_channels = NULL;
e0b6855b SA	430	state = devc->model_state;
e0b6855b SA	431	state->sample_rate = 0;
3f2c7c94	432
6e9606db	433	/* Contruct the list of enabled channels. */
3f2c7c94 SS	434	for (l = sdi->channels; l; l = l->next) {
	435	ch = l->data;
	436	if (!ch->enabled)
	437	continue;
6e9606db SA	438
6e9606db SA	439	devc->enabled_channels = g_slist_append(devc->enabled_channels, ch);
3f2c7c94	440	}
e3b83c5e	441
3f2c7c94 SS	442	if (!devc->enabled_channels)
	443	return SR_ERR;
	444
6e9606db	445	/* Configure the analog channels. */
6d13a46c	446	if (setup_channels(sdi) != SR_OK) {
3f2c7c94 SS	447	sr_err("Failed to setup channel configuration!");
	448	ret = SR_ERR;
	449	goto free_enabled;
	450	}
	451
	452	/*
	453	* Start acquisition on the first enabled channel. The
	454	* receive routine will continue driving the acquisition.
	455	*/
	456	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
	457	lecroy_xstream_receive_data, (void *)sdi);
	458
	459	std_session_send_df_header(sdi);
	460
	461	devc->current_channel = devc->enabled_channels;
	462
	463	return lecroy_xstream_request_data(sdi);
	464
	465	free_enabled:
	466	g_slist_free(devc->enabled_channels);
	467	devc->enabled_channels = NULL;
ea257cdc	468
3f2c7c94	469	return ret;
e3b83c5e SS	470	}
	471
	472	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	473	{
3f2c7c94 SS	474	struct dev_context *devc;
	475	struct sr_scpi_dev_inst *scpi;
	476
	477	std_session_send_df_end(sdi);
	478
3f2c7c94 SS	479	devc = sdi->priv;
	480
	481	devc->num_frames = 0;
	482	g_slist_free(devc->enabled_channels);
	483	devc->enabled_channels = NULL;
	484	scpi = sdi->conn;
	485	sr_scpi_source_remove(sdi->session, scpi);
e3b83c5e SS	486
	487	return SR_OK;
	488	}
	489
3f2c7c94	490	static struct sr_dev_driver lecroy_xstream_driver_info = {
e3b83c5e	491	.name = "lecroy-xstream",
bb08570f	492	.longname = "LeCroy X-Stream",
e3b83c5e SS	493	.api_version = 1,
	494	.init = std_init,
	495	.cleanup = std_cleanup,
	496	.scan = scan,
	497	.dev_list = std_dev_list,
	498	.dev_clear = dev_clear,
	499	.config_get = config_get,
	500	.config_set = config_set,
79100d4e	501	.config_channel_set = config_channel_set,
e3b83c5e SS	502	.config_list = config_list,
	503	.dev_open = dev_open,
	504	.dev_close = dev_close,
	505	.dev_acquisition_start = dev_acquisition_start,
	506	.dev_acquisition_stop = dev_acquisition_stop,
	507	.context = NULL,
	508	};
e3b83c5e	509	SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info);