[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) {
			sr_err("No channel group specified.");
			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) {
			sr_err("No channel group specified.");
			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) {
			sr_err("No channel group specified.");
			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;
	unsigned int i, j;
	char float_str[30];
	struct dev_context *devc;
	const struct scope_config *model;
	struct scope_state *state;
	const char *tmp;
	uint64_t p, q;
	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) {
			sr_err("No channel group specified.");
			return SR_ERR_CHANNEL_GROUP;
		}

		g_variant_get(data, "(tt)", &p, &q);

		for (i = 0; i < ARRAY_SIZE(dlm_vdivs); i++) {
			if (p != dlm_vdivs[i][0] ||
					q != dlm_vdivs[i][1])
				continue;
			for (j = 1; j <= model->analog_channels; j++) {
				if (cg != devc->analog_groups[j - 1])
					continue;
				state->analog_states[j - 1].vdiv = i;
				g_ascii_formatd(float_str, sizeof(float_str),
						"%E", (float) p / q);
				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;
		}
		break;
	case SR_CONF_TIMEBASE:
		g_variant_get(data, "(tt)", &p, &q);

		for (i = 0; i < ARRAY_SIZE(dlm_timebases); i++) {
			if (p != dlm_timebases[i][0] ||
					q != dlm_timebases[i][1])
				continue;
			state->timebase = i;
			g_ascii_formatd(float_str, sizeof(float_str),
					"%E", (float) p / q);
			ret = dlm_timebase_set(sdi->conn, float_str);
			update_sample_rate = TRUE;
			break;
		}
		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) {
			sr_err("No channel group specified.");
			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
584560f1	185	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ac10a927	186	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) {
	218	sr_err("No channel group specified.");
	219	return SR_ERR_CHANNEL_GROUP;
	220	} else if (cg_type == CG_ANALOG) {
	221	*data = g_variant_new_int32(model->num_ydivs);
	222	ret = SR_OK;
	223	break;
	224	} else {
	225	ret = SR_ERR_NA;
	226	}
	227	break;
	228	case SR_CONF_VDIV:
	229	ret = SR_ERR_NA;
	230	if (cg_type == CG_NONE) {
	231	sr_err("No channel group specified.");
	232	return SR_ERR_CHANNEL_GROUP;
	233	} else if (cg_type != CG_ANALOG)
	234	break;
	235
a9308652	236	for (i = 0; i < model->analog_channels; i++) {
8ab929d6 SA	237	if (cg != devc->analog_groups[i])
	238	continue;
	239	*data = g_variant_new("(tt)",
f3c60fb6 SA	240	dlm_vdivs[state->analog_states[i].vdiv][0],
f3c60fb6 SA	241	dlm_vdivs[state->analog_states[i].vdiv][1]);
8ab929d6 SA	242	ret = SR_OK;
	243	break;
	244	}
	245	break;
	246	case SR_CONF_TRIGGER_SOURCE:
	247	data = g_variant_new_string((model->trigger_sources)[state->trigger_source]);
	248	ret = SR_OK;
	249	break;
	250	case SR_CONF_TRIGGER_SLOPE:
f3c60fb6	251	*data = g_variant_new_string(dlm_trigger_slopes[state->trigger_slope]);
8ab929d6 SA	252	ret = SR_OK;
	253	break;
	254	case SR_CONF_HORIZ_TRIGGERPOS:
	255	*data = g_variant_new_double(state->horiz_triggerpos);
	256	ret = SR_OK;
	257	break;
	258	case SR_CONF_COUPLING:
	259	ret = SR_ERR_NA;
	260	if (cg_type == CG_NONE) {
	261	sr_err("No channel group specified.");
	262	return SR_ERR_CHANNEL_GROUP;
	263	} else if (cg_type != CG_ANALOG)
	264	break;
	265
a9308652	266	for (i = 0; i < model->analog_channels; i++) {
8ab929d6 SA	267	if (cg != devc->analog_groups[i])
	268	continue;
	269	data = g_variant_new_string((model->coupling_options)[state->analog_states[i].coupling]);
	270	ret = SR_OK;
	271	break;
	272	}
	273	break;
	274	case SR_CONF_SAMPLERATE:
	275	*data = g_variant_new_uint64(state->sample_rate);
	276	ret = SR_OK;
	277	break;
	278	default:
	279	ret = SR_ERR_NA;
	280	}
	281
	282	return ret;
	283	}
	284
584560f1	285	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
ac10a927	286	const struct sr_channel_group *cg)
8ab929d6 SA	287	{
	288	int ret, cg_type;
	289	unsigned int i, j;
	290	char float_str[30];
	291	struct dev_context *devc;
329733d9	292	const struct scope_config *model;
8ab929d6 SA	293	struct scope_state *state;
	294	const char *tmp;
	295	uint64_t p, q;
	296	double tmp_d;
	297	gboolean update_sample_rate;
	298
	299	if (!sdi \|\| !(devc = sdi->priv))
	300	return SR_ERR_ARG;
	301
	302	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
	303	return SR_ERR;
	304
	305	model = devc->model_config;
	306	state = devc->model_state;
	307	update_sample_rate = FALSE;
	308
	309	ret = SR_ERR_NA;
	310
	311	switch (key) {
	312	case SR_CONF_LIMIT_FRAMES:
	313	devc->frame_limit = g_variant_get_uint64(data);
	314	ret = SR_OK;
	315	break;
	316	case SR_CONF_TRIGGER_SOURCE:
	317	tmp = g_variant_get_string(data, NULL);
	318	for (i = 0; (*model->trigger_sources)[i]; i++) {
	319	if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0)
	320	continue;
	321	state->trigger_source = i;
	322	/* TODO: A and B trigger support possible? */
	323	ret = dlm_trigger_source_set(sdi->conn, (*model->trigger_sources)[i]);
	324	break;
	325	}
	326	break;
	327	case SR_CONF_VDIV:
	328	if (cg_type == CG_NONE) {
	329	sr_err("No channel group specified.");
	330	return SR_ERR_CHANNEL_GROUP;
	331	}
	332
	333	g_variant_get(data, "(tt)", &p, &q);
	334
f3c60fb6 SA	335	for (i = 0; i < ARRAY_SIZE(dlm_vdivs); i++) {
	336	if (p != dlm_vdivs[i][0] \|\|
	337	q != dlm_vdivs[i][1])
8ab929d6	338	continue;
a9308652	339	for (j = 1; j <= model->analog_channels; j++) {
8ab929d6 SA	340	if (cg != devc->analog_groups[j - 1])
	341	continue;
	342	state->analog_states[j - 1].vdiv = i;
	343	g_ascii_formatd(float_str, sizeof(float_str),
	344	"%E", (float) p / q);
	345	if (dlm_analog_chan_vdiv_set(sdi->conn, j, float_str) != SR_OK \|\|
ac10a927	346	sr_scpi_get_opc(sdi->conn) != SR_OK)
8ab929d6 SA	347	return SR_ERR;
	348
	349	break;
	350	}
	351
	352	ret = SR_OK;
	353	break;
	354	}
	355	break;
	356	case SR_CONF_TIMEBASE:
	357	g_variant_get(data, "(tt)", &p, &q);
	358
f3c60fb6 SA	359	for (i = 0; i < ARRAY_SIZE(dlm_timebases); i++) {
	360	if (p != dlm_timebases[i][0] \|\|
	361	q != dlm_timebases[i][1])
8ab929d6 SA	362	continue;
	363	state->timebase = i;
	364	g_ascii_formatd(float_str, sizeof(float_str),
	365	"%E", (float) p / q);
	366	ret = dlm_timebase_set(sdi->conn, float_str);
	367	update_sample_rate = TRUE;
	368	break;
	369	}
	370	break;
	371	case SR_CONF_HORIZ_TRIGGERPOS:
	372	tmp_d = g_variant_get_double(data);
	373
	374	/* TODO: Check if the calculation makes sense for the DLM. */
	375	if (tmp_d < 0.0 \|\| tmp_d > 1.0)
	376	return SR_ERR;
	377
	378	state->horiz_triggerpos = tmp_d;
	379	tmp_d = -(tmp_d - 0.5) *
f3c60fb6 SA	380	((double) dlm_timebases[state->timebase][0] /
f3c60fb6 SA	381	dlm_timebases[state->timebase][1])
ac10a927	382	* model->num_xdivs;
8ab929d6 SA	383
	384	g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d);
	385	ret = dlm_horiz_trigger_pos_set(sdi->conn, float_str);
	386	break;
	387	case SR_CONF_TRIGGER_SLOPE:
	388	tmp = g_variant_get_string(data, NULL);
	389
	390	if (!tmp \|\| !(tmp[0] == 'f' \|\| tmp[0] == 'r'))
	391	return SR_ERR_ARG;
	392
	393	/* Note: See dlm_trigger_slopes[] in protocol.c. */
	394	state->trigger_slope = (tmp[0] == 'r') ?
	395	SLOPE_POSITIVE : SLOPE_NEGATIVE;
	396
	397	ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
	398	break;
	399	case SR_CONF_COUPLING:
	400	if (cg_type == CG_NONE) {
	401	sr_err("No channel group specified.");
	402	return SR_ERR_CHANNEL_GROUP;
	403	}
	404
	405	tmp = g_variant_get_string(data, NULL);
	406
	407	for (i = 0; (*model->coupling_options)[i]; i++) {
	408	if (strcmp(tmp, (*model->coupling_options)[i]) != 0)
	409	continue;
a9308652	410	for (j = 1; j <= model->analog_channels; j++) {
8ab929d6 SA	411	if (cg != devc->analog_groups[j - 1])
	412	continue;
	413	state->analog_states[j-1].coupling = i;
	414
	415	if (dlm_analog_chan_coupl_set(sdi->conn, j, tmp) != SR_OK \|\|
ac10a927	416	sr_scpi_get_opc(sdi->conn) != SR_OK)
8ab929d6 SA	417	return SR_ERR;
	418	break;
	419	}
	420
	421	ret = SR_OK;
	422	break;
	423	}
	424	break;
	425	default:
	426	ret = SR_ERR_NA;
	427	break;
	428	}
	429
	430	if (ret == SR_OK)
	431	ret = sr_scpi_get_opc(sdi->conn);
	432
	433	if (ret == SR_OK && update_sample_rate)
	434	ret = dlm_sample_rate_query(sdi);
	435
	436	return ret;
	437	}
	438
c65a021c SA	439	static int config_channel_set(const struct sr_dev_inst *sdi,
	440	struct sr_channel *ch, unsigned int changes)
	441	{
a9308652	442	/* Currently we only handle SR_CHANNEL_SET_ENABLED. */
c65a021c SA	443	if (changes != SR_CHANNEL_SET_ENABLED)
	444	return SR_ERR_NA;
	445
	446	return dlm_channel_state_set(sdi, ch->index, ch->enabled);
	447	}
	448
584560f1	449	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
ac10a927	450	const struct sr_channel_group *cg)
8ab929d6	451	{
cf0280fa	452	int cg_type = CG_NONE;
e66d1892 UH	453	struct dev_context *devc;
e66d1892 UH	454	const struct scope_config *model;
f3c60fb6	455
e66d1892 UH	456	devc = (sdi) ? sdi->priv : NULL;
e66d1892 UH	457	model = (devc) ? devc->model_config : NULL;
f3c60fb6	458
f3c60fb6 SA	459	if (!cg) {
f3c60fb6 SA	460	switch (key) {
e66d1892	461	case SR_CONF_SCAN_OPTIONS:
f3c60fb6	462	case SR_CONF_DEVICE_OPTIONS:
4b25cbff	463	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
f3c60fb6	464	case SR_CONF_TIMEBASE:
58ffcf97	465	*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_timebases));
f3c60fb6 SA	466	return SR_OK;
	467	case SR_CONF_TRIGGER_SOURCE:
	468	if (!model)
	469	return SR_ERR_ARG;
	470	data = g_variant_new_strv(model->trigger_sources,
	471	g_strv_length((char *)model->trigger_sources));
	472	return SR_OK;
	473	case SR_CONF_TRIGGER_SLOPE:
	474	*data = g_variant_new_strv(dlm_trigger_slopes,
	475	g_strv_length((char **)dlm_trigger_slopes));
	476	return SR_OK;
	477	case SR_CONF_NUM_HDIV:
49f49cb5	478	*data = g_variant_new_uint32(model->num_xdivs);
f3c60fb6 SA	479	return SR_OK;
	480	default:
	481	return SR_ERR_NA;
	482	}
	483	}
	484
	485	if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID)
	486	return SR_ERR;
	487
8ab929d6	488	switch (key) {
8ab929d6	489	case SR_CONF_DEVICE_OPTIONS:
105df674	490	if (cg_type == CG_ANALOG)
53012da6	491	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog));
105df674	492	else if (cg_type == CG_DIGITAL)
53012da6	493	*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_digital));
105df674 UH	494	else
105df674 UH	495	*data = std_gvar_array_u32(NULL, 0);
8ab929d6 SA	496	break;
	497	case SR_CONF_COUPLING:
	498	if (cg_type == CG_NONE)
	499	return SR_ERR_CHANNEL_GROUP;
	500	data = g_variant_new_strv(model->coupling_options,
ac10a927	501	g_strv_length((char *)model->coupling_options));
8ab929d6	502	break;
8ab929d6 SA	503	case SR_CONF_VDIV:
	504	if (cg_type == CG_NONE)
	505	return SR_ERR_CHANNEL_GROUP;
58ffcf97	506	*data = std_gvar_tuple_array(ARRAY_AND_SIZE(dlm_vdivs));
8ab929d6 SA	507	break;
	508	default:
	509	return SR_ERR_NA;
	510	}
	511
	512	return SR_OK;
	513	}
	514
	515	static int dlm_check_channels(GSList *channels)
	516	{
	517	GSList *l;
	518	struct sr_channel *ch;
	519	gboolean enabled_pod1, enabled_chan4;
	520
	521	enabled_pod1 = enabled_chan4 = FALSE;
	522
	523	/* Note: On the DLM2000, CH4 and Logic are shared. */
	524	/* TODO Handle non-DLM2000 models. */
	525	for (l = channels; l; l = l->next) {
	526	ch = l->data;
	527	switch (ch->type) {
	528	case SR_CHANNEL_ANALOG:
	529	if (ch->index == 3)
	530	enabled_chan4 = TRUE;
	531	break;
	532	case SR_CHANNEL_LOGIC:
	533	enabled_pod1 = TRUE;
	534	break;
	535	default:
	536	return SR_ERR;
	537	}
	538	}
	539
	540	if (enabled_pod1 && enabled_chan4)
	541	return SR_ERR;
	542
	543	return SR_OK;
	544	}
	545
695dc859	546	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
8ab929d6 SA	547	{
	548	GSList *l;
	549	gboolean digital_added;
	550	struct sr_channel *ch;
	551	struct dev_context *devc;
	552	struct sr_scpi_dev_inst *scpi;
	553
8ab929d6 SA	554	scpi = sdi->conn;
	555	devc = sdi->priv;
	556	digital_added = FALSE;
	557
	558	g_slist_free(devc->enabled_channels);
	559	devc->enabled_channels = NULL;
	560
	561	for (l = sdi->channels; l; l = l->next) {
	562	ch = l->data;
	563	if (!ch->enabled)
	564	continue;
	565	/* Only add a single digital channel. */
	566	if (ch->type != SR_CHANNEL_LOGIC \|\| !digital_added) {
	567	devc->enabled_channels = g_slist_append(
ac10a927 SA	568	devc->enabled_channels, ch);
	569	if (ch->type == SR_CHANNEL_LOGIC)
	570	digital_added = TRUE;
8ab929d6 SA	571	}
	572	}
	573
	574	if (!devc->enabled_channels)
	575	return SR_ERR;
	576
	577	if (dlm_check_channels(devc->enabled_channels) != SR_OK) {
	578	sr_err("Invalid channel configuration specified!");
	579	return SR_ERR_NA;
	580	}
	581
af3487ec SA	582	/* Request data for the first enabled channel. */
	583	devc->current_channel = devc->enabled_channels;
	584	dlm_channel_data_request(sdi);
	585
0028d5a1	586	sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 5,
8ab929d6 SA	587	dlm_data_receive, (void *)sdi);
	588
	589	return SR_OK;
	590	}
	591
695dc859	592	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
8ab929d6 SA	593	{
8ab929d6 SA	594	struct dev_context *devc;
8ab929d6	595
bee2b016	596	std_session_send_df_end(sdi);
8ab929d6	597
8ab929d6 SA	598	devc = sdi->priv;
	599
	600	devc->num_frames = 0;
	601	g_slist_free(devc->enabled_channels);
	602	devc->enabled_channels = NULL;
af3487ec SA	603
af3487ec SA	604	sr_scpi_source_remove(sdi->session, sdi->conn);
8ab929d6 SA	605
	606	return SR_OK;
	607	}
10763937	608
dd5c48a6	609	static struct sr_dev_driver yokogawa_dlm_driver_info = {
10763937	610	.name = "yokogawa-dlm",
ac10a927	611	.longname = "Yokogawa DL/DLM",
10763937	612	.api_version = 1,
c2fdcc25	613	.init = std_init,
700d6b64	614	.cleanup = std_cleanup,
8ab929d6	615	.scan = scan,
c01bf34c	616	.dev_list = std_dev_list,
8ab929d6 SA	617	.dev_clear = dev_clear,
	618	.config_get = config_get,
	619	.config_set = config_set,
c65a021c	620	.config_channel_set = config_channel_set,
8ab929d6 SA	621	.config_list = config_list,
	622	.dev_open = dev_open,
	623	.dev_close = dev_close,
	624	.dev_acquisition_start = dev_acquisition_start,
	625	.dev_acquisition_stop = dev_acquisition_stop,
41812aca	626	.context = NULL,
10763937	627	};
dd5c48a6	628	SR_REGISTER_DEV_DRIVER(yokogawa_dlm_driver_info);