[libsigrok.git] / src / hardware / yokogawa-dlm / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net>
 * Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.com>
 *
 * 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 yokogawa_dlm_driver_info;

static const char *MANUFACTURER_ID = "YOKOGAWA";

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

static const uint32_t drvopts[] = {
	SR_CONF_LOGIC_ANALYZER,
	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 const uint32_t devopts_cg_digital[] = {
};

enum {
	CG_INVALID = -1,
	CG_NONE,
	CG_ANALOG,
	CG_DIGITAL,
};

static struct sr_dev_inst *probe_usbtmc_device(struct sr_scpi_dev_inst *scpi)
{
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct sr_scpi_hw_info *hw_info;
	char *model_name;
	int model_index;

	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 (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0)
		goto fail;

	if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK)
		goto fail;

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->vendor = g_strdup("Yokogawa");
	sdi->model = g_strdup(model_name);
	sdi->version = g_strdup(hw_info->firmware_version);

	sdi->serial_num = g_strdup(hw_info->serial_number);

	sr_scpi_hw_info_free(hw_info);
	hw_info = NULL;

	devc = g_malloc0(sizeof(struct dev_context));

	sdi->driver = &yokogawa_dlm_driver_info;
	sdi->priv = devc;
	sdi->inst_type = SR_INST_SCPI;
	sdi->conn = scpi;

	if (dlm_device_init(sdi, model_index) != 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_usbtmc_device);
}

static void clear_helper(struct dev_context *devc)
{
	dlm_scope_state_destroy(devc->model_state);
	g_free(devc->analog_groups);
	g_free(devc->digital_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 (dlm_scope_state_query(sdi) != SR_OK)
		return SR_ERR;

	return SR_OK;
}

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

/**
 * Check which category a given channel group belongs to.
 *
 * @param devc Our internal device context.
 * @param cg The channel group to check.
 *
 * @retval CG_NONE cg is NULL
 * @retval CG_ANALOG cg is an analog group
 * @retval CG_DIGITAL cg is a digital group
 * @retval CG_INVALID cg is something else
 */
static int check_channel_group(struct dev_context *devc,
			const struct sr_channel_group *cg)
{
	unsigned int i;
	const struct scope_config *model;

	model = devc->model_config;

	if (!cg)
		return CG_NONE;

	for (i = 0; i < model->analog_channels; i++)
		if (cg == devc->analog_groups[i])
			return CG_ANALOG;

	for (i = 0; i < model->pods; i++)
		if (cg == devc->digital_groups[i])
			return CG_DIGITAL;

	sr_err("Invalid channel group specified.");
	return CG_INVALID;
}

static int config_get(uint32_t key, GVariant **data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	int ret, cg_type;
	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;

	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
		return SR_ERR;

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

	switch (key) {
	case SR_CONF_NUM_HDIV:
		*data = g_variant_new_int32(model->num_xdivs);
		ret = SR_OK;
		break;
	case SR_CONF_TIMEBASE:
		*data = g_variant_new("(tt)",
				dlm_timebases[state->timebase][0],
				dlm_timebases[state->timebase][1]);
		ret = SR_OK;
		break;
	case SR_CONF_NUM_VDIV:
		if (cg_type == CG_NONE) {
			return SR_ERR_CHANNEL_GROUP;
		} else if (cg_type == CG_ANALOG) {
				*data = g_variant_new_int32(model->num_ydivs);
				ret = SR_OK;
				break;
		} else {
			ret = SR_ERR_NA;
		}
		break;
	case SR_CONF_VDIV:
		ret = SR_ERR_NA;
		if (cg_type == CG_NONE) {
			return SR_ERR_CHANNEL_GROUP;
		} else if (cg_type != CG_ANALOG)
			break;

		for (i = 0; i < model->analog_channels; i++) {
			if (cg != devc->analog_groups[i])
				continue;
			*data = g_variant_new("(tt)",
					dlm_vdivs[state->analog_states[i].vdiv][0],
					dlm_vdivs[state->analog_states[i].vdiv][1]);
			ret = SR_OK;
			break;
		}
		break;
	case SR_CONF_TRIGGER_SOURCE:
		*data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]);
		ret = SR_OK;
		break;
	case SR_CONF_TRIGGER_SLOPE:
		*data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]);
		ret = SR_OK;
		break;
	case SR_CONF_HORIZ_TRIGGERPOS:
		*data = g_variant_new_double(state->horiz_triggerpos);
		ret = SR_OK;
		break;
	case SR_CONF_COUPLING:
		ret = SR_ERR_NA;
		if (cg_type == CG_NONE) {
			return SR_ERR_CHANNEL_GROUP;
		} else if (cg_type != CG_ANALOG)
			break;

		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_states[i].coupling]);
			ret = SR_OK;
			break;
		}
		break;
	case SR_CONF_SAMPLERATE:
		*data = g_variant_new_uint64(state->sample_rate);
		ret = SR_OK;
		break;
	default:
		ret = SR_ERR_NA;
	}

	return ret;
}

static int config_set(uint32_t key, GVariant *data,
	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
{
	int ret, cg_type, idx;
	unsigned int i, j;
	char float_str[30];
	struct dev_context *devc;
	const struct scope_config *model;
	struct scope_state *state;
	const char *tmp;
	double tmp_d;
	gboolean update_sample_rate;

	if (!sdi || !(devc = sdi->priv))
		return SR_ERR_ARG;

	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
		return SR_ERR;

	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;
			/* TODO: A and B trigger support possible? */
			ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]);
			break;
		}
		break;
	case SR_CONF_VDIV:
		if (cg_type == CG_NONE)
			return SR_ERR_CHANNEL_GROUP;
		if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_vdivs))) < 0)
			return SR_ERR_ARG;
		for (j = 1; j <= model->analog_channels; j++) {
			if (cg != devc->analog_groups[j - 1])
				continue;
			state->analog_states[j - 1].vdiv = idx;
			g_ascii_formatd(float_str, sizeof(float_str),
					"%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]);
			if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK ||
					sr_scpi_get_opc(sdi->conn) != SR_OK)
				return SR_ERR;
			break;
		}
		ret = SR_OK;
		break;
	case SR_CONF_TIMEBASE:
		if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_timebases))) < 0)
			return SR_ERR_ARG;
		state->timebase = idx;
		g_ascii_formatd(float_str, sizeof(float_str),
				"%E", (float) dlm_timebases[idx][0] / dlm_timebases[idx][1]);
		ret = dlm_timebase_set(sdi->conn, float_str);
		update_sample_rate = TRUE;
		break;
	case SR_CONF_HORIZ_TRIGGERPOS:
		tmp_d = g_variant_get_double(data);

		/* TODO: Check if the calculation makes sense for the DLM. */
		if (tmp_d < 0.0 || tmp_d > 1.0)
			return SR_ERR;

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

		g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
		ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
		break;
	case SR_CONF_TRIGGER_SLOPE:
		tmp = g_variant_get_string(data, NULL);

		if (!tmp || !(tmp[0] == 'f' || tmp[0] == 'r'))
			return SR_ERR_ARG;

		/* Note: See dlm_trigger_slopes[] in protocol.c. */
		state->trigger_slope = (tmp[0] == 'r') ?
				SLOPE_POSITIVE : SLOPE_NEGATIVE;

		ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
		break;
	case SR_CONF_COUPLING:
		if (cg_type == CG_NONE)
			return SR_ERR_CHANNEL_GROUP;

		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_states[j-1].coupling = i;

				if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != 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 = dlm_sample_rate_query(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 dlm_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)
{
	int cg_type = CG_NONE;
	struct dev_context *devc;
	const struct scope_config *model;

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

	if (!cg) {
		switch (key) {
		case SR_CONF_SCAN_OPTIONS:
		case SR_CONF_DEVICE_OPTIONS:
			return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
		case SR_CONF_TIMEBASE:
			*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_timebases));
			return SR_OK;
		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));
			return SR_OK;
		case SR_CONF_TRIGGER_SLOPE:
			*data = g_variant_new_strv(dlm_trigger_slopes,
					g_strv_length((char **)dlm_trigger_slopes));
			return SR_OK;
		case SR_CONF_NUM_HDIV:
			*data = g_variant_new_uint32(model->num_xdivs);
			return SR_OK;
		default:
			return SR_ERR_NA;
		}
	}

	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
		return SR_ERR;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		if (cg_type == CG_ANALOG)
			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
		else if (cg_type == CG_DIGITAL)
			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_digital));
		else
			*data = std_gvar_array_u32(NULL, 0);
		break;
	case SR_CONF_COUPLING:
		if (cg_type == CG_NONE)
			return SR_ERR_CHANNEL_GROUP;
		*data = g_variant_new_strv(*model->coupling_options,
				g_strv_length((char **)*model->coupling_options));
		break;
	case SR_CONF_VDIV:
		if (cg_type == CG_NONE)
			return SR_ERR_CHANNEL_GROUP;
		*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_vdivs));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dlm_check_channels(GSList *channels)
{
	GSList *l;
	struct sr_channel *ch;
	gboolean enabled_pod1, enabled_chan4;

	enabled_pod1 = enabled_chan4 = FALSE;

	/* Note: On the DLM2000, CH4 and Logic are shared. */
	/* TODO Handle non-DLM2000 models. */
	for (l = channels; l; l = l->next) {
		ch = l->data;
		switch (ch->type) {
		case SR_CHANNEL_ANALOG:
			if (ch->index == 3)
				enabled_chan4 = TRUE;
			break;
		case SR_CHANNEL_LOGIC:
			enabled_pod1 = TRUE;
			break;
		default:
			return SR_ERR;
		}
	}

	if (enabled_pod1 && enabled_chan4)
		return SR_ERR;

	return SR_OK;
}

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

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

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

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

	if (!devc->enabled_channels)
		return SR_ERR;

	if (dlm_check_channels(devc->enabled_channels) != SR_OK) {
		sr_err("Invalid channel configuration specified!");
		return SR_ERR_NA;
	}

	/* Request data for the first enabled channel. */
	devc->current_channel = devc->enabled_channels;
	dlm_channel_data_request(sdi);

	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5,
			dlm_data_receive, (void *)sdi);

	return SR_OK;
}

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

	std_session_send_df_end(sdi);

	devc = sdi->priv;

	devc->num_frames = 0;
	g_slist_free(devc->enabled_channels);
	devc->enabled_channels = NULL;

	sr_scpi_source_remove(sdi->session, sdi->conn);

	return SR_OK;
}

static struct sr_dev_driver yokogawa_dlm_driver_info = {
	.name = "yokogawa-dlm",
	.longname = "Yokogawa DL/DLM",
	.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(yokogawa_dlm_driver_info);
Commit	Line	Data
10763937 SA	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net>
	5	* Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.com>
	6	*
	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation, either version 3 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	*/
	20
6ec6c43b	21	#include <config.h>
10763937	22	#include <stdlib.h>
5a1afc09	23	#include "scpi.h"
10763937 SA	24	#include "protocol.h"
10763937 SA	25
dd5c48a6	26	static struct sr_dev_driver yokogawa_dlm_driver_info;
8ab929d6	27
329733d9	28	static const char *MANUFACTURER_ID = "YOKOGAWA";
8ab929d6	29
4b25cbff	30	static const uint32_t scanopts[] = {
f3c60fb6 SA	31	SR_CONF_CONN,
	32	};
	33
4b25cbff	34	static const uint32_t drvopts[] = {
cf0280fa AJ	35	SR_CONF_LOGIC_ANALYZER,
	36	SR_CONF_OSCILLOSCOPE,
	37	};
	38
4b25cbff	39	static const uint32_t devopts[] = {
f3c60fb6 SA	40	SR_CONF_LIMIT_FRAMES \| SR_CONF_GET \| SR_CONF_SET,
	41	SR_CONF_SAMPLERATE \| SR_CONF_GET,
	42	SR_CONF_TIMEBASE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	43	SR_CONF_NUM_HDIV \| SR_CONF_GET,
	44	SR_CONF_HORIZ_TRIGGERPOS \| SR_CONF_GET \| SR_CONF_SET,
f3c60fb6	45	SR_CONF_TRIGGER_SOURCE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
86621306	46	SR_CONF_TRIGGER_SLOPE \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
f3c60fb6 SA	47	};
f3c60fb6 SA	48
6b82c3e5	49	static const uint32_t devopts_cg_analog[] = {
f3c60fb6	50	SR_CONF_NUM_VDIV \| SR_CONF_GET,
86621306 UH	51	SR_CONF_VDIV \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
86621306 UH	52	SR_CONF_COUPLING \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
f3c60fb6 SA	53	};
f3c60fb6 SA	54
6b82c3e5	55	static const uint32_t devopts_cg_digital[] = {
f3c60fb6 SA	56	};
f3c60fb6 SA	57
8ab929d6 SA	58	enum {
	59	CG_INVALID = -1,
	60	CG_NONE,
	61	CG_ANALOG,
	62	CG_DIGITAL,
	63	};
	64
8ab929d6 SA	65	static struct sr_dev_inst probe_usbtmc_device(struct sr_scpi_dev_inst scpi)
	66	{
	67	struct sr_dev_inst *sdi;
	68	struct dev_context *devc;
	69	struct sr_scpi_hw_info *hw_info;
	70	char *model_name;
	71	int model_index;
	72
	73	sdi = NULL;
	74	devc = NULL;
	75	hw_info = NULL;
	76
	77	if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
	78	sr_info("Couldn't get IDN response.");
	79	goto fail;
	80	}
	81
	82	if (strcmp(hw_info->manufacturer, MANUFACTURER_ID) != 0)
	83	goto fail;
	84
	85	if (dlm_model_get(hw_info->model, &model_name, &model_index) != SR_OK)
	86	goto fail;
	87
aac29cc1	88	sdi = g_malloc0(sizeof(struct sr_dev_inst));
b15ff1c9	89	sdi->vendor = g_strdup("Yokogawa");
0af636be UH	90	sdi->model = g_strdup(model_name);
0af636be UH	91	sdi->version = g_strdup(hw_info->firmware_version);
8ab929d6	92
d1314831 SA	93	sdi->serial_num = g_strdup(hw_info->serial_number);
d1314831 SA	94
8ab929d6 SA	95	sr_scpi_hw_info_free(hw_info);
	96	hw_info = NULL;
	97
ac10a927	98	devc = g_malloc0(sizeof(struct dev_context));
8ab929d6	99
4f840ce9	100	sdi->driver = &yokogawa_dlm_driver_info;
8ab929d6 SA	101	sdi->priv = devc;
	102	sdi->inst_type = SR_INST_SCPI;
	103	sdi->conn = scpi;
	104
	105	if (dlm_device_init(sdi, model_index) != SR_OK)
	106	goto fail;
	107
8ab929d6 SA	108	return sdi;
	109
	110	fail:
7b365c47	111	sr_scpi_hw_info_free(hw_info);
4bf93988	112	sr_dev_inst_free(sdi);
b1f83103	113	g_free(devc);
8ab929d6 SA	114
	115	return NULL;
	116	}
	117
4f840ce9	118	static GSList scan(struct sr_dev_driver di, GSList *options)
8ab929d6	119	{
41812aca	120	return sr_scpi_scan(di->context, options, probe_usbtmc_device);
8ab929d6 SA	121	}
8ab929d6 SA	122
3553451f	123	static void clear_helper(struct dev_context *devc)
8ab929d6	124	{
8ab929d6	125	dlm_scope_state_destroy(devc->model_state);
8ab929d6 SA	126	g_free(devc->analog_groups);
8ab929d6 SA	127	g_free(devc->digital_groups);
8ab929d6 SA	128	}
8ab929d6 SA	129
4f840ce9	130	static int dev_clear(const struct sr_dev_driver *di)
8ab929d6	131	{
3553451f	132	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
8ab929d6 SA	133	}
	134
	135	static int dev_open(struct sr_dev_inst *sdi)
	136	{
6402c379	137	if (sr_scpi_open(sdi->conn) != SR_OK)
8ab929d6 SA	138	return SR_ERR;
	139
	140	if (dlm_scope_state_query(sdi) != SR_OK)
	141	return SR_ERR;
	142
8ab929d6 SA	143	return SR_OK;
	144	}
	145
	146	static int dev_close(struct sr_dev_inst *sdi)
	147	{
f1ba6b4b	148	return sr_scpi_close(sdi->conn);
8ab929d6 SA	149	}
8ab929d6 SA	150
8ab929d6 SA	151	/**
	152	* Check which category a given channel group belongs to.
	153	*
	154	* @param devc Our internal device context.
a9308652	155	* @param cg The channel group to check.
8ab929d6	156	*
a9308652 UH	157	* @retval CG_NONE cg is NULL
a9308652 UH	158	* @retval CG_ANALOG cg is an analog group
8ab929d6 SA	159	* @retval CG_DIGITAL cg is a digital group
	160	* @retval CG_INVALID cg is something else
	161	*/
	162	static int check_channel_group(struct dev_context *devc,
ac10a927	163	const struct sr_channel_group *cg)
8ab929d6 SA	164	{
8ab929d6 SA	165	unsigned int i;
329733d9	166	const struct scope_config *model;
8ab929d6 SA	167
	168	model = devc->model_config;
	169
	170	if (!cg)
	171	return CG_NONE;
	172
a9308652	173	for (i = 0; i < model->analog_channels; i++)
8ab929d6 SA	174	if (cg == devc->analog_groups[i])
	175	return CG_ANALOG;
	176
a9308652	177	for (i = 0; i < model->pods; i++)
8ab929d6 SA	178	if (cg == devc->digital_groups[i])
	179	return CG_DIGITAL;
	180
	181	sr_err("Invalid channel group specified.");
	182	return CG_INVALID;
	183	}
	184
dd7a72ea UH	185	static int config_get(uint32_t key, GVariant **data,
dd7a72ea UH	186	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
8ab929d6 SA	187	{
	188	int ret, cg_type;
	189	unsigned int i;
	190	struct dev_context *devc;
329733d9	191	const struct scope_config *model;
8ab929d6 SA	192	struct scope_state *state;
8ab929d6 SA	193
709468ba	194	if (!sdi)
8ab929d6 SA	195	return SR_ERR_ARG;
8ab929d6 SA	196
709468ba UH	197	devc = sdi->priv;
709468ba UH	198
8ab929d6 SA	199	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
	200	return SR_ERR;
	201
8ab929d6 SA	202	model = devc->model_config;
	203	state = devc->model_state;
	204
	205	switch (key) {
bf622e6d	206	case SR_CONF_NUM_HDIV:
8ab929d6 SA	207	*data = g_variant_new_int32(model->num_xdivs);
	208	ret = SR_OK;
	209	break;
	210	case SR_CONF_TIMEBASE:
	211	*data = g_variant_new("(tt)",
f3c60fb6 SA	212	dlm_timebases[state->timebase][0],
f3c60fb6 SA	213	dlm_timebases[state->timebase][1]);
8ab929d6 SA	214	ret = SR_OK;
	215	break;
	216	case SR_CONF_NUM_VDIV:
	217	if (cg_type == CG_NONE) {
8ab929d6 SA	218	return SR_ERR_CHANNEL_GROUP;
	219	} else if (cg_type == CG_ANALOG) {
	220	*data = g_variant_new_int32(model->num_ydivs);
	221	ret = SR_OK;
	222	break;
	223	} else {
	224	ret = SR_ERR_NA;
	225	}
	226	break;
	227	case SR_CONF_VDIV:
	228	ret = SR_ERR_NA;
	229	if (cg_type == CG_NONE) {
8ab929d6 SA	230	return SR_ERR_CHANNEL_GROUP;
	231	} else if (cg_type != CG_ANALOG)
	232	break;
	233
a9308652	234	for (i = 0; i < model->analog_channels; i++) {
8ab929d6 SA	235	if (cg != devc->analog_groups[i])
	236	continue;
	237	*data = g_variant_new("(tt)",
f3c60fb6 SA	238	dlm_vdivs[state->analog_states[i].vdiv][0],
f3c60fb6 SA	239	dlm_vdivs[state->analog_states[i].vdiv][1]);
8ab929d6 SA	240	ret = SR_OK;
	241	break;
	242	}
	243	break;
	244	case SR_CONF_TRIGGER_SOURCE:
	245	data = g_variant_new_string((model->trigger_sources)[state->trigger_source]);
	246	ret = SR_OK;
	247	break;
	248	case SR_CONF_TRIGGER_SLOPE:
f3c60fb6	249	*data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]);
8ab929d6 SA	250	ret = SR_OK;
	251	break;
	252	case SR_CONF_HORIZ_TRIGGERPOS:
	253	*data = g_variant_new_double(state->horiz_triggerpos);
	254	ret = SR_OK;
	255	break;
	256	case SR_CONF_COUPLING:
	257	ret = SR_ERR_NA;
	258	if (cg_type == CG_NONE) {
8ab929d6 SA	259	return SR_ERR_CHANNEL_GROUP;
	260	} else if (cg_type != CG_ANALOG)
	261	break;
	262
a9308652	263	for (i = 0; i < model->analog_channels; i++) {
8ab929d6 SA	264	if (cg != devc->analog_groups[i])
	265	continue;
	266	data = g_variant_new_string((model->coupling_options)[state->analog_states[i].coupling]);
	267	ret = SR_OK;
	268	break;
	269	}
	270	break;
	271	case SR_CONF_SAMPLERATE:
	272	*data = g_variant_new_uint64(state->sample_rate);
	273	ret = SR_OK;
	274	break;
	275	default:
	276	ret = SR_ERR_NA;
	277	}
	278
	279	return ret;
	280	}
	281
dd7a72ea UH	282	static int config_set(uint32_t key, GVariant *data,
dd7a72ea UH	283	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
8ab929d6	284	{
697fb6dd	285	int ret, cg_type, idx;
8ab929d6 SA	286	unsigned int i, j;
	287	char float_str[30];
	288	struct dev_context *devc;
329733d9	289	const struct scope_config *model;
8ab929d6 SA	290	struct scope_state *state;
8ab929d6 SA	291	const char *tmp;
8ab929d6 SA	292	double tmp_d;
	293	gboolean update_sample_rate;
	294
	295	if (!sdi \|\| !(devc = sdi->priv))
	296	return SR_ERR_ARG;
	297
	298	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
	299	return SR_ERR;
	300
	301	model = devc->model_config;
	302	state = devc->model_state;
	303	update_sample_rate = FALSE;
	304
	305	ret = SR_ERR_NA;
	306
	307	switch (key) {
	308	case SR_CONF_LIMIT_FRAMES:
	309	devc->frame_limit = g_variant_get_uint64(data);
	310	ret = SR_OK;
	311	break;
	312	case SR_CONF_TRIGGER_SOURCE:
	313	tmp = g_variant_get_string(data, NULL);
	314	for (i = 0; (*model->trigger_sources)[i]; i++) {
	315	if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
	316	continue;
	317	state->trigger_source = i;
	318	/* TODO: A and B trigger support possible? */
	319	ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]);
	320	break;
	321	}
	322	break;
	323	case SR_CONF_VDIV:
87dc5410	324	if (cg_type == CG_NONE)
8ab929d6	325	return SR_ERR_CHANNEL_GROUP;
697fb6dd UH	326	if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_vdivs))) < 0)
	327	return SR_ERR_ARG;
	328	for (j = 1; j <= model->analog_channels; j++) {
	329	if (cg != devc->analog_groups[j - 1])
8ab929d6	330	continue;
697fb6dd UH	331	state->analog_states[j - 1].vdiv = idx;
	332	g_ascii_formatd(float_str, sizeof(float_str),
	333	"%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]);
	334	if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK \|\|
	335	sr_scpi_get_opc(sdi->conn) != SR_OK)
	336	return SR_ERR;
8ab929d6 SA	337	break;
8ab929d6 SA	338	}
697fb6dd	339	ret = SR_OK;
8ab929d6 SA	340	break;
8ab929d6 SA	341	case SR_CONF_TIMEBASE:
697fb6dd UH	342	if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_timebases))) < 0)
	343	return SR_ERR_ARG;
	344	state->timebase = idx;
	345	g_ascii_formatd(float_str, sizeof(float_str),
	346	"%E", (float) dlm_timebases[idx][0] / dlm_timebases[idx][1]);
	347	ret = dlm_timebase_set(sdi->conn, float_str);
	348	update_sample_rate = TRUE;
8ab929d6 SA	349	break;
	350	case SR_CONF_HORIZ_TRIGGERPOS:
	351	tmp_d = g_variant_get_double(data);
	352
	353	/* TODO: Check if the calculation makes sense for the DLM. */
	354	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	355	return SR_ERR;
	356
	357	state->horiz_triggerpos = tmp_d;
	358	tmp_d = -(tmp_d - 0.5) *
f3c60fb6 SA	359	((double) dlm_timebases[state->timebase][0] /
f3c60fb6 SA	360	dlm_timebases[state->timebase][1])
ac10a927	361	* model->num_xdivs;
8ab929d6 SA	362
	363	g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
	364	ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
	365	break;
	366	case SR_CONF_TRIGGER_SLOPE:
	367	tmp = g_variant_get_string(data, NULL);
	368
	369	if (!tmp \|\| !(tmp[0] == 'f' \|\| tmp[0] == 'r'))
	370	return SR_ERR_ARG;
	371
	372	/* Note: See dlm_trigger_slopes[] in protocol.c. */
	373	state->trigger_slope = (tmp[0] == 'r') ?
	374	SLOPE_POSITIVE : SLOPE_NEGATIVE;
	375
	376	ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
	377	break;
	378	case SR_CONF_COUPLING:
87dc5410	379	if (cg_type == CG_NONE)
8ab929d6	380	return SR_ERR_CHANNEL_GROUP;
8ab929d6 SA	381
	382	tmp = g_variant_get_string(data, NULL);
	383
	384	for (i = 0; (*model->coupling_options)[i]; i++) {
	385	if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
	386	continue;
a9308652	387	for (j = 1; j <= model->analog_channels; j++) {
8ab929d6 SA	388	if (cg != devc->analog_groups[j - 1])
	389	continue;
	390	state->analog_states[j-1].coupling = i;
	391
	392	if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK \|\|
ac10a927	393	sr_scpi_get_opc(sdi->conn) != SR_OK)
8ab929d6 SA	394	return SR_ERR;
	395	break;
	396	}
	397
	398	ret = SR_OK;
	399	break;
	400	}
	401	break;
	402	default:
	403	ret = SR_ERR_NA;
	404	break;
	405	}
	406
	407	if (ret == SR_OK)
	408	ret = sr_scpi_get_opc(sdi->conn);
	409
	410	if (ret == SR_OK && update_sample_rate)
	411	ret = dlm_sample_rate_query(sdi);
	412
	413	return ret;
	414	}
	415
c65a021c	416	static int config_channel_set(const struct sr_dev_inst *sdi,
dd7a72ea	417	struct sr_channel *ch, unsigned int changes)
c65a021c	418	{
a9308652	419	/* Currently we only handle SR_CHANNEL_SET_ENABLED. */
c65a021c SA	420	if (changes != SR_CHANNEL_SET_ENABLED)
	421	return SR_ERR_NA;
	422
	423	return dlm_channel_state_set(sdi, ch->index, ch->enabled);
	424	}
	425
dd7a72ea UH	426	static int config_list(uint32_t key, GVariant **data,
dd7a72ea UH	427	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
8ab929d6	428	{
cf0280fa	429	int cg_type = CG_NONE;
e66d1892 UH	430	struct dev_context *devc;
e66d1892 UH	431	const struct scope_config *model;
f3c60fb6	432
e66d1892 UH	433	devc = (sdi) ? sdi->priv : NULL;
e66d1892 UH	434	model = (devc) ? devc->model_config : NULL;
f3c60fb6	435
f3c60fb6 SA	436	if (!cg) {
f3c60fb6 SA	437	switch (key) {
e66d1892	438	case SR_CONF_SCAN_OPTIONS:
f3c60fb6	439	case SR_CONF_DEVICE_OPTIONS:
4b25cbff	440	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
f3c60fb6	441	case SR_CONF_TIMEBASE:
58ffcf97	442	*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_timebases));
f3c60fb6 SA	443	return SR_OK;
	444	case SR_CONF_TRIGGER_SOURCE:
	445	if (!model)
	446	return SR_ERR_ARG;
	447	data = g_variant_new_strv(model->trigger_sources,
	448	g_strv_length((char *)model->trigger_sources));
	449	return SR_OK;
	450	case SR_CONF_TRIGGER_SLOPE:
	451	*data = g_variant_new_strv(dlm_trigger_slopes,
	452	g_strv_length((char **)dlm_trigger_slopes));
	453	return SR_OK;
	454	case SR_CONF_NUM_HDIV:
49f49cb5	455	*data = g_variant_new_uint32(model->num_xdivs);
f3c60fb6 SA	456	return SR_OK;
	457	default:
	458	return SR_ERR_NA;
	459	}
	460	}
	461
	462	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
	463	return SR_ERR;
	464
8ab929d6	465	switch (key) {
8ab929d6	466	case SR_CONF_DEVICE_OPTIONS:
105df674	467	if (cg_type == CG_ANALOG)
53012da6	468	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
105df674	469	else if (cg_type == CG_DIGITAL)
53012da6	470	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_digital));
105df674 UH	471	else
105df674 UH	472	*data = std_gvar_array_u32(NULL, 0);
8ab929d6 SA	473	break;
	474	case SR_CONF_COUPLING:
	475	if (cg_type == CG_NONE)
	476	return SR_ERR_CHANNEL_GROUP;
	477	data = g_variant_new_strv(model->coupling_options,
ac10a927	478	g_strv_length((char *)model->coupling_options));
8ab929d6	479	break;
8ab929d6 SA	480	case SR_CONF_VDIV:
	481	if (cg_type == CG_NONE)
	482	return SR_ERR_CHANNEL_GROUP;
58ffcf97	483	*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_vdivs));
8ab929d6 SA	484	break;
	485	default:
	486	return SR_ERR_NA;
	487	}
	488
	489	return SR_OK;
	490	}
	491
	492	static int dlm_check_channels(GSList *channels)
	493	{
	494	GSList *l;
	495	struct sr_channel *ch;
	496	gboolean enabled_pod1, enabled_chan4;
	497
	498	enabled_pod1 = enabled_chan4 = FALSE;
	499
	500	/* Note: On the DLM2000, CH4 and Logic are shared. */
	501	/* TODO Handle non-DLM2000 models. */
	502	for (l = channels; l; l = l->next) {
	503	ch = l->data;
	504	switch (ch->type) {
	505	case SR_CHANNEL_ANALOG:
	506	if (ch->index == 3)
	507	enabled_chan4 = TRUE;
	508	break;
	509	case SR_CHANNEL_LOGIC:
	510	enabled_pod1 = TRUE;
	511	break;
	512	default:
	513	return SR_ERR;
	514	}
	515	}
	516
	517	if (enabled_pod1 && enabled_chan4)
	518	return SR_ERR;
	519
	520	return SR_OK;
	521	}
	522
695dc859	523	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
8ab929d6 SA	524	{
	525	GSList *l;
	526	gboolean digital_added;
	527	struct sr_channel *ch;
	528	struct dev_context *devc;
	529	struct sr_scpi_dev_inst *scpi;
	530
8ab929d6 SA	531	scpi = sdi->conn;
	532	devc = sdi->priv;
	533	digital_added = FALSE;
	534
	535	g_slist_free(devc->enabled_channels);
	536	devc->enabled_channels = NULL;
	537
	538	for (l = sdi->channels; l; l = l->next) {
	539	ch = l->data;
	540	if (!ch->enabled)
	541	continue;
	542	/* Only add a single digital channel. */
	543	if (ch->type != SR_CHANNEL_LOGIC \|\| !digital_added) {
	544	devc->enabled_channels = g_slist_append(
ac10a927 SA	545	devc->enabled_channels, ch);
	546	if (ch->type == SR_CHANNEL_LOGIC)
	547	digital_added = TRUE;
8ab929d6 SA	548	}
	549	}
	550
	551	if (!devc->enabled_channels)
	552	return SR_ERR;
	553
	554	if (dlm_check_channels(devc->enabled_channels) != SR_OK) {
	555	sr_err("Invalid channel configuration specified!");
	556	return SR_ERR_NA;
	557	}
	558
af3487ec SA	559	/* Request data for the first enabled channel. */
	560	devc->current_channel = devc->enabled_channels;
	561	dlm_channel_data_request(sdi);
	562
0028d5a1	563	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5,
8ab929d6 SA	564	dlm_data_receive, (void *)sdi);
	565
	566	return SR_OK;
	567	}
	568
695dc859	569	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
8ab929d6 SA	570	{
8ab929d6 SA	571	struct dev_context *devc;
8ab929d6	572
bee2b016	573	std_session_send_df_end(sdi);
8ab929d6	574
8ab929d6 SA	575	devc = sdi->priv;
	576
	577	devc->num_frames = 0;
	578	g_slist_free(devc->enabled_channels);
	579	devc->enabled_channels = NULL;
af3487ec SA	580
af3487ec SA	581	sr_scpi_source_remove(sdi->session, sdi->conn);
8ab929d6 SA	582
	583	return SR_OK;
	584	}
10763937	585
dd5c48a6	586	static struct sr_dev_driver yokogawa_dlm_driver_info = {
10763937	587	.name = "yokogawa-dlm",
ac10a927	588	.longname = "Yokogawa DL/DLM",
10763937	589	.api_version = 1,
c2fdcc25	590	.init = std_init,
700d6b64	591	.cleanup = std_cleanup,
8ab929d6	592	.scan = scan,
c01bf34c	593	.dev_list = std_dev_list,
8ab929d6 SA	594	.dev_clear = dev_clear,
	595	.config_get = config_get,
	596	.config_set = config_set,
c65a021c	597	.config_channel_set = config_channel_set,
8ab929d6 SA	598	.config_list = config_list,
	599	.dev_open = dev_open,
	600	.dev_close = dev_close,
	601	.dev_acquisition_start = dev_acquisition_start,
	602	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	603	.context = NULL,
10763937	604	};
dd5c48a6	605	SR_REGISTER_DEV_DRIVER(yokogawa_dlm_driver_info);