[libsigrok.git] / src / hardware / korad-kdxxxxp / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@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 "protocol.h"

static const uint32_t drvopts[] = {
	/* Device class */
	SR_CONF_POWER_SUPPLY,
};

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

static const uint32_t devopts[] = {
	/* Device class */
	SR_CONF_POWER_SUPPLY,
	/* Acquisition modes. */
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
	/* Device configuration */
	SR_CONF_VOLTAGE | SR_CONF_GET,
	SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_CURRENT | SR_CONF_GET,
	SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
	SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

static const struct korad_kdxxxxp_model models[] = {
	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	{VELLEMAN_LABPS_3005D, "Velleman", "LABPS3005D",
		"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	{0, NULL, NULL, NULL, 0, {0, 0, 0}, {0, 0, 0}}
};

SR_PRIV struct sr_dev_driver korad_kdxxxxp_driver_info;

static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct drv_context *drvc;
	struct dev_context *devc;
	GSList *devices, *l;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	const char *conn, *serialcomm;
	struct sr_serial_dev_inst *serial;
	char reply[50];
	int i, model_id;
	unsigned int len;

	devices = NULL;
	conn = NULL;
	serialcomm = NULL;
	drvc = di->context;
	drvc->instances = NULL;

	for (l = options; l; l = l->next) {
		src = l->data;
		switch (src->key) {
		case SR_CONF_CONN:
			conn = g_variant_get_string(src->data, NULL);
			break;
		case SR_CONF_SERIALCOMM:
			serialcomm = g_variant_get_string(src->data, NULL);
			break;
		default:
			sr_err("Unknown option %d, skipping.", src->key);
			break;
		}
	}

	if (!conn)
		return NULL;
	if (!serialcomm)
		serialcomm = "9600/8n1";

	serial = sr_serial_dev_inst_new(conn, serialcomm);
	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	serial_flush(serial);

	/* Get the device model. */
	len = 0;
	for (i = 0; models[i].id; i++) {
		if (strlen(models[i].id) > len)
			len = strlen(models[i].id);
	}
	memset(&reply, 0, sizeof(reply));
	sr_dbg("Want max %d bytes.", len);
	if ((korad_kdxxxxp_send_cmd(serial, "*IDN?") < 0))
		return NULL;

	/* i is used here for debug purposes only. */
	if ((i = korad_kdxxxxp_read_chars(serial, len, reply)) < 0)
		return NULL;
	sr_dbg("Received: %d, %s", i, reply);
	model_id = -1;
	for (i = 0; models[i].id; i++) {
		if (!strcmp(models[i].id, reply))
			model_id = i;
	}
	if (model_id < 0) {
		sr_err("Unknown model ID '%s' detected, aborting.", reply);
		return NULL;
	}
	sr_dbg("Found: %s %s", models[model_id].vendor, models[model_id].name);

	/* Init device instance, etc. */
	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(models[model_id].vendor);
	sdi->model = g_strdup(models[model_id].name);
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->driver = di;

	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");

	devc = g_malloc0(sizeof(struct dev_context));
	devc->model = &models[model_id];
	devc->reply[5] = 0;
	devc->req_sent_at = 0;
	sdi->priv = devc;

	/* Get current status of device. */
	if (korad_kdxxxxp_get_all_values(serial, devc) < 0)
		goto exit_err;
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

	serial_close(serial);
	if (!devices)
		sr_serial_dev_inst_free(serial);

	return devices;

exit_err:
	sr_dev_inst_free(sdi);
	g_free(devc);
	sr_dbg("Scan failed.");

	return NULL;
}

static GSList *dev_list(const struct sr_dev_driver *di)
{
	return ((struct drv_context *)(di->context))->instances;
}

static int dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, NULL);
}

static int cleanup(const struct sr_dev_driver *di)
{
	dev_clear(di);
	return SR_OK;
}

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

	(void)cg;

	if (!sdi || !data)
		return SR_ERR_ARG;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_SAMPLES:
		*data = g_variant_new_uint64(devc->limit_samples);
		break;
	case SR_CONF_LIMIT_MSEC:
		*data = g_variant_new_uint64(devc->limit_msec);
		break;
	case SR_CONF_VOLTAGE:
		*data = g_variant_new_double(devc->voltage);
		break;
	case SR_CONF_VOLTAGE_TARGET:
		*data = g_variant_new_double(devc->voltage_max);
		break;
	case SR_CONF_CURRENT:
		*data = g_variant_new_double(devc->current);
		break;
	case SR_CONF_CURRENT_LIMIT:
		*data = g_variant_new_double(devc->current_max);
		break;
	case SR_CONF_ENABLED:
		*data = g_variant_new_boolean(devc->output_enabled);
		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)
{
	struct dev_context *devc;
	double dval;
	gboolean bval;

	(void)cg;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_MSEC:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_msec = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		if (g_variant_get_uint64(data) == 0)
			return SR_ERR_ARG;
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	case SR_CONF_VOLTAGE_TARGET:
		dval = g_variant_get_double(data);
		if (dval < devc->model->voltage[0] || dval > devc->model->voltage[1])
			return SR_ERR_ARG;
		devc->voltage_max = dval;
		devc->target = KDXXXXP_VOLTAGE_MAX;
		if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_CURRENT_LIMIT:
		dval = g_variant_get_double(data);
		if (dval < devc->model->current[0] || dval > devc->model->current[1])
			return SR_ERR_ARG;
		devc->current_max = dval;
		devc->target = KDXXXXP_CURRENT_MAX;
		if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_ENABLED:
		bval = g_variant_get_boolean(data);
		/* Set always so it is possible turn off with sigrok-cli. */
		devc->output_enabled = bval;
		devc->target = KDXXXXP_OUTPUT;
		if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
			return SR_ERR;
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

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;
	GVariant *gvar;
	GVariantBuilder gvb;
	double dval;
	int idx;

	(void)cg;

	/* Always available (with or without sdi). */
	if (key == SR_CONF_SCAN_OPTIONS) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
			scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		return SR_OK;
	}

	/* Return drvopts without sdi (and devopts with sdi, see below). */
	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
			drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
		return SR_OK;
	}

	/* Every other key needs an sdi. */
	if (!sdi)
		return SR_ERR_ARG;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
			devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	case SR_CONF_VOLTAGE_TARGET:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
		/* Min, max, step. */
		for (idx = 0; idx < 3; idx++) {
			dval = devc->model->voltage[idx];
			gvar = g_variant_new_double(dval);
			g_variant_builder_add_value(&gvb, gvar);
		}
		*data = g_variant_builder_end(&gvb);
		break;
	case SR_CONF_CURRENT_LIMIT:
		g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
		/* Min, max, step. */
		for (idx = 0; idx < 3; idx++) {
			dval = devc->model->current[idx];
			gvar = g_variant_new_double(dval);
			g_variant_builder_add_value(&gvb, gvar);
		}
		*data = g_variant_builder_end(&gvb);
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	devc = sdi->priv;
	devc->cb_data = cb_data;

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, LOG_PREFIX);

	devc->starttime = g_get_monotonic_time();
	devc->num_samples = 0;
	devc->reply_pending = FALSE;
	devc->req_sent_at = 0;
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN,
			KDXXXXP_POLL_INTERVAL_MS,
			korad_kdxxxxp_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	return std_serial_dev_acquisition_stop(sdi, cb_data,
		std_serial_dev_close, sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver korad_kdxxxxp_driver_info = {
	.name = "korad-kdxxxxp",
	.longname = "Korad KDxxxxP",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan,
	.dev_list = dev_list,
	.dev_clear = dev_clear,
	.config_get = config_get,
	.config_set = config_set,
	.config_list = config_list,
	.dev_open = std_serial_dev_open,
	.dev_close = std_serial_dev_close,
	.dev_acquisition_start = dev_acquisition_start,
	.dev_acquisition_stop = dev_acquisition_stop,
	.context = NULL,
};
Commit	Line	Data
e75ee7de HV	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2015 Hannu Vuolasaho <vuokkosetae@gmail.com>
	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>
	21	#include "protocol.h"
	22
d7083042 HV	23	static const uint32_t drvopts[] = {
	24	/* Device class */
	25	SR_CONF_POWER_SUPPLY,
	26	};
	27
	28	static const uint32_t scanopts[] = {
	29	SR_CONF_CONN,
	30	SR_CONF_SERIALCOMM,
	31	};
	32
	33	static const uint32_t devopts[] = {
	34	/* Device class */
	35	SR_CONF_POWER_SUPPLY,
	36	/* Acquisition modes. */
	37	SR_CONF_CONTINUOUS,
	38	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	39	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	40	/* Device configuration */
	41	SR_CONF_VOLTAGE \| SR_CONF_GET,
	42	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	43	SR_CONF_CURRENT \| SR_CONF_GET,
	44	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	45	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	46	};
	47
	48	static const struct korad_kdxxxxp_model models[] = {
	49	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	50	{VELLEMAN_LABPS_3005D, "Velleman", "LABPS3005D",
	51	"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	52	{0, NULL, NULL, NULL, 0, {0, 0, 0}, {0, 0, 0}}
	53	};
	54
e75ee7de HV	55	SR_PRIV struct sr_dev_driver korad_kdxxxxp_driver_info;
	56
	57	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	58	{
	59	return std_init(sr_ctx, di, LOG_PREFIX);
	60	}
	61
	62	static GSList scan(struct sr_dev_driver di, GSList *options)
	63	{
	64	struct drv_context *drvc;
d7083042 HV	65	struct dev_context *devc;
	66	GSList devices, l;
	67	struct sr_dev_inst *sdi;
	68	struct sr_config *src;
	69	const char conn, serialcomm;
	70	struct sr_serial_dev_inst *serial;
	71	char reply[50];
	72	int i, model_id;
	73	unsigned int len;
e75ee7de HV	74
e75ee7de HV	75	devices = NULL;
d7083042 HV	76	conn = NULL;
d7083042 HV	77	serialcomm = NULL;
e75ee7de HV	78	drvc = di->context;
	79	drvc->instances = NULL;
	80
d7083042 HV	81	for (l = options; l; l = l->next) {
	82	src = l->data;
	83	switch (src->key) {
	84	case SR_CONF_CONN:
	85	conn = g_variant_get_string(src->data, NULL);
	86	break;
	87	case SR_CONF_SERIALCOMM:
	88	serialcomm = g_variant_get_string(src->data, NULL);
	89	break;
	90	default:
	91	sr_err("Unknown option %d, skipping.", src->key);
	92	break;
	93	}
	94	}
	95
	96	if (!conn)
	97	return NULL;
	98	if (!serialcomm)
	99	serialcomm = "9600/8n1";
	100
	101	serial = sr_serial_dev_inst_new(conn, serialcomm);
	102	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	103	return NULL;
	104
	105	serial_flush(serial);
	106
	107	/* Get the device model. */
	108	len = 0;
	109	for (i = 0; models[i].id; i++) {
	110	if (strlen(models[i].id) > len)
	111	len = strlen(models[i].id);
	112	}
	113	memset(&reply, 0, sizeof(reply));
	114	sr_dbg("Want max %d bytes.", len);
	115	if ((korad_kdxxxxp_send_cmd(serial, "*IDN?") < 0))
	116	return NULL;
	117
	118	/* i is used here for debug purposes only. */
	119	if ((i = korad_kdxxxxp_read_chars(serial, len, reply)) < 0)
	120	return NULL;
	121	sr_dbg("Received: %d, %s", i, reply);
	122	model_id = -1;
	123	for (i = 0; models[i].id; i++) {
	124	if (!strcmp(models[i].id, reply))
	125	model_id = i;
	126	}
	127	if (model_id < 0) {
	128	sr_err("Unknown model ID '%s' detected, aborting.", reply);
	129	return NULL;
	130	}
	131	sr_dbg("Found: %s %s", models[model_id].vendor, models[model_id].name);
	132
	133	/* Init device instance, etc. */
	134	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	135	sdi->status = SR_ST_INACTIVE;
	136	sdi->vendor = g_strdup(models[model_id].vendor);
	137	sdi->model = g_strdup(models[model_id].name);
	138	sdi->inst_type = SR_INST_SERIAL;
	139	sdi->conn = serial;
	140	sdi->driver = di;
	141
	142	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	143
	144	devc = g_malloc0(sizeof(struct dev_context));
145	devc->model = &models[model_id];
146	devc->reply[5] = 0;
147	devc->req_sent_at = 0;
148	sdi->priv = devc;
149
150	/* Get current status of device. */
151	if (korad_kdxxxxp_get_all_values(serial, devc) < 0)
152	goto exit_err;
153	drvc->instances = g_slist_append(drvc->instances, sdi);
154	devices = g_slist_append(devices, sdi);
155
156	serial_close(serial);
157	if (!devices)
158	sr_serial_dev_inst_free(serial);
e75ee7de HV	159
e75ee7de HV	160	return devices;
d7083042 HV	161
	162	exit_err:
	163	sr_dev_inst_free(sdi);
	164	g_free(devc);
	165	sr_dbg("Scan failed.");
	166
	167	return NULL;
e75ee7de HV	168	}
	169
	170	static GSList dev_list(const struct sr_dev_driver di)
	171	{
	172	return ((struct drv_context *)(di->context))->instances;
	173	}
	174
	175	static int dev_clear(const struct sr_dev_driver *di)
	176	{
	177	return std_dev_clear(di, NULL);
	178	}
	179
e75ee7de HV	180	static int cleanup(const struct sr_dev_driver *di)
	181	{
	182	dev_clear(di);
e75ee7de HV	183	return SR_OK;
	184	}
	185
	186	static int config_get(uint32_t key, GVariant **data,
	187	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	188	{
d7083042	189	struct dev_context *devc;
e75ee7de	190
e75ee7de HV	191	(void)cg;
e75ee7de HV	192
d7083042 HV	193	if (!sdi \|\| !data)
	194	return SR_ERR_ARG;
	195
	196	devc = sdi->priv;
	197
e75ee7de	198	switch (key) {
d7083042 HV	199	case SR_CONF_LIMIT_SAMPLES:
	200	*data = g_variant_new_uint64(devc->limit_samples);
	201	break;
	202	case SR_CONF_LIMIT_MSEC:
	203	*data = g_variant_new_uint64(devc->limit_msec);
	204	break;
	205	case SR_CONF_VOLTAGE:
	206	*data = g_variant_new_double(devc->voltage);
	207	break;
	208	case SR_CONF_VOLTAGE_TARGET:
	209	*data = g_variant_new_double(devc->voltage_max);
	210	break;
	211	case SR_CONF_CURRENT:
	212	*data = g_variant_new_double(devc->current);
	213	break;
	214	case SR_CONF_CURRENT_LIMIT:
	215	*data = g_variant_new_double(devc->current_max);
	216	break;
	217	case SR_CONF_ENABLED:
	218	*data = g_variant_new_boolean(devc->output_enabled);
	219	break;
e75ee7de HV	220	default:
	221	return SR_ERR_NA;
	222	}
	223
d7083042	224	return SR_OK;
e75ee7de HV	225	}
	226
	227	static int config_set(uint32_t key, GVariant *data,
	228	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	229	{
d7083042 HV	230	struct dev_context *devc;
	231	double dval;
	232	gboolean bval;
e75ee7de	233
e75ee7de HV	234	(void)cg;
	235
	236	if (sdi->status != SR_ST_ACTIVE)
	237	return SR_ERR_DEV_CLOSED;
	238
d7083042 HV	239	devc = sdi->priv;
d7083042 HV	240
e75ee7de	241	switch (key) {
d7083042 HV	242	case SR_CONF_LIMIT_MSEC:
	243	if (g_variant_get_uint64(data) == 0)
	244	return SR_ERR_ARG;
	245	devc->limit_msec = g_variant_get_uint64(data);
	246	break;
	247	case SR_CONF_LIMIT_SAMPLES:
	248	if (g_variant_get_uint64(data) == 0)
	249	return SR_ERR_ARG;
	250	devc->limit_samples = g_variant_get_uint64(data);
	251	break;
	252	case SR_CONF_VOLTAGE_TARGET:
	253	dval = g_variant_get_double(data);
	254	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	255	return SR_ERR_ARG;
	256	devc->voltage_max = dval;
	257	devc->target = KDXXXXP_VOLTAGE_MAX;
	258	if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
	259	return SR_ERR;
	260	break;
	261	case SR_CONF_CURRENT_LIMIT:
	262	dval = g_variant_get_double(data);
	263	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	264	return SR_ERR_ARG;
	265	devc->current_max = dval;
	266	devc->target = KDXXXXP_CURRENT_MAX;
	267	if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
	268	return SR_ERR;
	269	break;
	270	case SR_CONF_ENABLED:
	271	bval = g_variant_get_boolean(data);
	272	/* Set always so it is possible turn off with sigrok-cli. */
	273	devc->output_enabled = bval;
	274	devc->target = KDXXXXP_OUTPUT;
	275	if (korad_kdxxxxp_set_value(sdi->conn, devc) < 0)
	276	return SR_ERR;
	277	break;
e75ee7de	278	default:
d7083042	279	return SR_ERR_NA;
e75ee7de HV	280	}
e75ee7de HV	281
d7083042	282	return SR_OK;
e75ee7de HV	283	}
	284
	285	static int config_list(uint32_t key, GVariant **data,
	286	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	287	{
e75ee7de	288
d7083042 HV	289	struct dev_context *devc;
	290	GVariant *gvar;
	291	GVariantBuilder gvb;
	292	double dval;
	293	int idx;
	294
e75ee7de HV	295	(void)cg;
e75ee7de HV	296
d7083042 HV	297	/* Always available (with or without sdi). */
	298	if (key == SR_CONF_SCAN_OPTIONS) {
	299	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	300	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	301	return SR_OK;
	302	}
	303
	304	/* Return drvopts without sdi (and devopts with sdi, see below). */
	305	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	306	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	307	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	308	return SR_OK;
	309	}
	310
	311	/* Every other key needs an sdi. */
	312	if (!sdi)
	313	return SR_ERR_ARG;
	314
	315	devc = sdi->priv;
	316
e75ee7de	317	switch (key) {
d7083042 HV	318	case SR_CONF_DEVICE_OPTIONS:
	319	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	320	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	321	break;
	322	case SR_CONF_VOLTAGE_TARGET:
	323	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	324	/* Min, max, step. */
	325	for (idx = 0; idx < 3; idx++) {
	326	dval = devc->model->voltage[idx];
	327	gvar = g_variant_new_double(dval);
	328	g_variant_builder_add_value(&gvb, gvar);
	329	}
	330	*data = g_variant_builder_end(&gvb);
	331	break;
	332	case SR_CONF_CURRENT_LIMIT:
	333	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	334	/* Min, max, step. */
	335	for (idx = 0; idx < 3; idx++) {
	336	dval = devc->model->current[idx];
	337	gvar = g_variant_new_double(dval);
	338	g_variant_builder_add_value(&gvb, gvar);
	339	}
	340	*data = g_variant_builder_end(&gvb);
	341	break;
e75ee7de HV	342	default:
	343	return SR_ERR_NA;
	344	}
	345
d7083042	346	return SR_OK;
e75ee7de HV	347	}
	348
	349	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
	350	{
d7083042 HV	351	struct dev_context *devc;
d7083042 HV	352	struct sr_serial_dev_inst *serial;
e75ee7de HV	353
	354	if (sdi->status != SR_ST_ACTIVE)
	355	return SR_ERR_DEV_CLOSED;
	356
d7083042 HV	357	devc = sdi->priv;
	358	devc->cb_data = cb_data;
	359
	360	/* Send header packet to the session bus. */
	361	std_session_send_df_header(cb_data, LOG_PREFIX);
	362
	363	devc->starttime = g_get_monotonic_time();
	364	devc->num_samples = 0;
	365	devc->reply_pending = FALSE;
	366	devc->req_sent_at = 0;
	367	serial = sdi->conn;
	368	serial_source_add(sdi->session, serial, G_IO_IN,
	369	KDXXXXP_POLL_INTERVAL_MS,
	370	korad_kdxxxxp_receive_data, (void *)sdi);
e75ee7de HV	371
	372	return SR_OK;
	373	}
	374
	375	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
	376	{
e75ee7de HV	377	if (sdi->status != SR_ST_ACTIVE)
	378	return SR_ERR_DEV_CLOSED;
	379
d7083042 HV	380	return std_serial_dev_acquisition_stop(sdi, cb_data,
d7083042 HV	381	std_serial_dev_close, sdi->conn, LOG_PREFIX);
e75ee7de HV	382	}
	383
	384	SR_PRIV struct sr_dev_driver korad_kdxxxxp_driver_info = {
	385	.name = "korad-kdxxxxp",
	386	.longname = "Korad KDxxxxP",
	387	.api_version = 1,
	388	.init = init,
	389	.cleanup = cleanup,
	390	.scan = scan,
	391	.dev_list = dev_list,
	392	.dev_clear = dev_clear,
	393	.config_get = config_get,
	394	.config_set = config_set,
	395	.config_list = config_list,
d7083042 HV	396	.dev_open = std_serial_dev_open,
d7083042 HV	397	.dev_close = std_serial_dev_close,
e75ee7de HV	398	.dev_acquisition_start = dev_acquisition_start,
	399	.dev_acquisition_stop = dev_acquisition_stop,
	400	.context = NULL,
	401	};