[libsigrok.git] / src / hardware / korad-kaxxxxp / 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,
	SR_CONF_REGULATION | SR_CONF_GET,
	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED | SR_CONF_GET | SR_CONF_SET,
};

static const struct korad_kaxxxxp_model models[] = {
	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	{VELLEMAN_PS3005D, "Velleman", "PS3005D",
		"VELLEMANPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	{VELLEMAN_LABPS3005D, "Velleman", "LABPS3005D",
		"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	{KORAD_KA3005P, "Korad", "KA3005P",
		"KORADKA3005PV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	/* Sometimes the KA3005P has an extra 0x01 after the ID. */
	{KORAD_KA3005P_0X01, "Korad", "KA3005P",
		"KORADKA3005PV2.0\x01", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	ALL_ZERO
};

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	struct dev_context *devc;
	GSList *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;

	conn = NULL;
	serialcomm = 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_kaxxxxp_send_cmd(serial, "*IDN?") < 0))
		return NULL;

	/* i is used here for debug purposes only. */
	if ((i = korad_kaxxxxp_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 (idx %d, ID '%s').", models[model_id].vendor,
		models[model_id].name, model_id, models[model_id].id);

	/* 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;

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

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

	/* Get current status of device. */
	if (korad_kaxxxxp_get_all_values(serial, devc) < 0)
		goto exit_err;

	serial_close(serial);

	return std_scan_complete(di, g_slist_append(NULL, sdi));

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

	return NULL;
}

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:
	case SR_CONF_LIMIT_MSEC:
		return sr_sw_limits_config_get(&devc->limits, key, data);
	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;
	case SR_CONF_REGULATION:
		/* Dual channel not supported. */
		*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		*data = g_variant_new_boolean(devc->ocp_enabled);
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		*data = g_variant_new_boolean(devc->ovp_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;

	devc = sdi->priv;

	switch (key) {
	case SR_CONF_LIMIT_MSEC:
	case SR_CONF_LIMIT_SAMPLES:
		return sr_sw_limits_config_set(&devc->limits, key, data);
	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 = KAXXXXP_VOLTAGE_MAX;
		if (korad_kaxxxxp_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 = KAXXXXP_CURRENT_MAX;
		if (korad_kaxxxxp_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 = KAXXXXP_OUTPUT;
		if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
		bval = g_variant_get_boolean(data);
		devc->ocp_enabled = bval;
		devc->target = KAXXXXP_OCP;
		if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
			return SR_ERR;
		break;
	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
		bval = g_variant_get_boolean(data);
		devc->ovp_enabled = bval;
		devc->target = KAXXXXP_OVP;
		if (korad_kaxxxxp_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)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

	devc = sdi->priv;

	sr_sw_limits_acquisition_start(&devc->limits);
	std_session_send_df_header(sdi);

	devc->reply_pending = FALSE;
	devc->req_sent_at = 0;
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN,
			KAXXXXP_POLL_INTERVAL_MS,
			korad_kaxxxxp_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver korad_kaxxxxp_driver_info = {
	.name = "korad-kaxxxxp",
	.longname = "Korad KAxxxxP",
	.api_version = 1,
	.init = std_init,
	.cleanup = std_cleanup,
	.scan = scan,
	.dev_list = std_dev_list,
	.dev_clear = std_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 = std_serial_dev_acquisition_stop,
	.context = NULL,
};
SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);
Commit	Line	Data
	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
	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	SR_CONF_REGULATION \| SR_CONF_GET,
	47	SR_CONF_OVER_CURRENT_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	48	SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	49	};
	50
	51	static const struct korad_kaxxxxp_model models[] = {
	52	/* Device enum, vendor, model, ID reply, channels, voltage, current */
	53	{VELLEMAN_PS3005D, "Velleman", "PS3005D",
	54	"VELLEMANPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	55	{VELLEMAN_LABPS3005D, "Velleman", "LABPS3005D",
	56	"VELLEMANLABPS3005DV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	57	{KORAD_KA3005P, "Korad", "KA3005P",
	58	"KORADKA3005PV2.0", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	59	/* Sometimes the KA3005P has an extra 0x01 after the ID. */
	60	{KORAD_KA3005P_0X01, "Korad", "KA3005P",
	61	"KORADKA3005PV2.0\x01", 1, {0, 31, 0.01}, {0, 5, 0.001}},
	62	ALL_ZERO
	63	};
	64
	65	static GSList scan(struct sr_dev_driver di, GSList *options)
	66	{
	67	struct dev_context *devc;
	68	GSList *l;
	69	struct sr_dev_inst *sdi;
	70	struct sr_config *src;
	71	const char conn, serialcomm;
	72	struct sr_serial_dev_inst *serial;
	73	char reply[50];
	74	int i, model_id;
	75	unsigned int len;
	76
	77	conn = NULL;
	78	serialcomm = NULL;
	79
	80	for (l = options; l; l = l->next) {
	81	src = l->data;
	82	switch (src->key) {
	83	case SR_CONF_CONN:
	84	conn = g_variant_get_string(src->data, NULL);
	85	break;
	86	case SR_CONF_SERIALCOMM:
	87	serialcomm = g_variant_get_string(src->data, NULL);
	88	break;
	89	default:
	90	sr_err("Unknown option %d, skipping.", src->key);
	91	break;
	92	}
	93	}
	94
	95	if (!conn)
	96	return NULL;
	97	if (!serialcomm)
	98	serialcomm = "9600/8n1";
	99
	100	serial = sr_serial_dev_inst_new(conn, serialcomm);
	101	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	102	return NULL;
	103
	104	serial_flush(serial);
	105
	106	/* Get the device model. */
	107	len = 0;
	108	for (i = 0; models[i].id; i++) {
	109	if (strlen(models[i].id) > len)
	110	len = strlen(models[i].id);
	111	}
	112	memset(&reply, 0, sizeof(reply));
	113	sr_dbg("Want max %d bytes.", len);
	114	if ((korad_kaxxxxp_send_cmd(serial, "*IDN?") < 0))
	115	return NULL;
	116
	117	/* i is used here for debug purposes only. */
	118	if ((i = korad_kaxxxxp_read_chars(serial, len, reply)) < 0)
	119	return NULL;
	120	sr_dbg("Received: %d, %s", i, reply);
	121	model_id = -1;
	122	for (i = 0; models[i].id; i++) {
	123	if (!strcmp(models[i].id, reply))
	124	model_id = i;
	125	}
	126	if (model_id < 0) {
	127	sr_err("Unknown model ID '%s' detected, aborting.", reply);
	128	return NULL;
	129	}
	130	sr_dbg("Found: %s %s (idx %d, ID '%s').", models[model_id].vendor,
	131	models[model_id].name, model_id, models[model_id].id);
	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
	141	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	142
	143	devc = g_malloc0(sizeof(struct dev_context));
	144	sr_sw_limits_init(&devc->limits);
	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_kaxxxxp_get_all_values(serial, devc) < 0)
	152	goto exit_err;
	153
	154	serial_close(serial);
	155
	156	return std_scan_complete(di, g_slist_append(NULL, sdi));
	157
	158	exit_err:
	159	sr_dev_inst_free(sdi);
	160	g_free(devc);
	161	sr_dbg("Scan failed.");
	162
	163	return NULL;
	164	}
	165
	166	static int config_get(uint32_t key, GVariant **data,
	167	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	168	{
	169	struct dev_context *devc;
	170
	171	(void)cg;
	172
	173	if (!sdi \|\| !data)
	174	return SR_ERR_ARG;
	175
	176	devc = sdi->priv;
	177
	178	switch (key) {
	179	case SR_CONF_LIMIT_SAMPLES:
	180	case SR_CONF_LIMIT_MSEC:
	181	return sr_sw_limits_config_get(&devc->limits, key, data);
	182	case SR_CONF_VOLTAGE:
	183	*data = g_variant_new_double(devc->voltage);
	184	break;
	185	case SR_CONF_VOLTAGE_TARGET:
	186	*data = g_variant_new_double(devc->voltage_max);
	187	break;
	188	case SR_CONF_CURRENT:
	189	*data = g_variant_new_double(devc->current);
	190	break;
	191	case SR_CONF_CURRENT_LIMIT:
	192	*data = g_variant_new_double(devc->current_max);
	193	break;
	194	case SR_CONF_ENABLED:
	195	*data = g_variant_new_boolean(devc->output_enabled);
	196	break;
	197	case SR_CONF_REGULATION:
	198	/* Dual channel not supported. */
	199	*data = g_variant_new_string((devc->cc_mode[0]) ? "CC" : "CV");
	200	break;
	201	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	202	*data = g_variant_new_boolean(devc->ocp_enabled);
	203	break;
	204	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	205	*data = g_variant_new_boolean(devc->ovp_enabled);
	206	break;
	207	default:
	208	return SR_ERR_NA;
	209	}
	210
	211	return SR_OK;
	212	}
	213
	214	static int config_set(uint32_t key, GVariant *data,
	215	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	216	{
	217	struct dev_context *devc;
	218	double dval;
	219	gboolean bval;
	220
	221	(void)cg;
	222
	223	devc = sdi->priv;
	224
	225	switch (key) {
	226	case SR_CONF_LIMIT_MSEC:
	227	case SR_CONF_LIMIT_SAMPLES:
	228	return sr_sw_limits_config_set(&devc->limits, key, data);
	229	case SR_CONF_VOLTAGE_TARGET:
	230	dval = g_variant_get_double(data);
	231	if (dval < devc->model->voltage[0] \|\| dval > devc->model->voltage[1])
	232	return SR_ERR_ARG;
	233	devc->voltage_max = dval;
	234	devc->target = KAXXXXP_VOLTAGE_MAX;
	235	if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
	236	return SR_ERR;
	237	break;
	238	case SR_CONF_CURRENT_LIMIT:
	239	dval = g_variant_get_double(data);
	240	if (dval < devc->model->current[0] \|\| dval > devc->model->current[1])
	241	return SR_ERR_ARG;
	242	devc->current_max = dval;
	243	devc->target = KAXXXXP_CURRENT_MAX;
	244	if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
	245	return SR_ERR;
	246	break;
	247	case SR_CONF_ENABLED:
	248	bval = g_variant_get_boolean(data);
	249	/* Set always so it is possible turn off with sigrok-cli. */
	250	devc->output_enabled = bval;
	251	devc->target = KAXXXXP_OUTPUT;
	252	if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
	253	return SR_ERR;
	254	break;
	255	case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
	256	bval = g_variant_get_boolean(data);
	257	devc->ocp_enabled = bval;
	258	devc->target = KAXXXXP_OCP;
	259	if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
	260	return SR_ERR;
	261	break;
	262	case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED:
	263	bval = g_variant_get_boolean(data);
	264	devc->ovp_enabled = bval;
	265	devc->target = KAXXXXP_OVP;
	266	if (korad_kaxxxxp_set_value(sdi->conn, devc) < 0)
	267	return SR_ERR;
	268	break;
	269	default:
	270	return SR_ERR_NA;
	271	}
	272
	273	return SR_OK;
	274	}
	275
	276	static int config_list(uint32_t key, GVariant **data,
	277	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	278	{
	279	struct dev_context *devc;
	280	GVariant *gvar;
	281	GVariantBuilder gvb;
	282	double dval;
	283	int idx;
	284
	285	(void)cg;
	286
	287	/* Always available (with or without sdi). */
	288	if (key == SR_CONF_SCAN_OPTIONS) {
	289	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	290	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	291	return SR_OK;
	292	}
	293
	294	/* Return drvopts without sdi (and devopts with sdi, see below). */
	295	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	296	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	297	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	298	return SR_OK;
	299	}
	300
	301	/* Every other key needs an sdi. */
	302	if (!sdi)
	303	return SR_ERR_ARG;
	304
	305	devc = sdi->priv;
	306
	307	switch (key) {
	308	case SR_CONF_DEVICE_OPTIONS:
	309	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	310	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	311	break;
	312	case SR_CONF_VOLTAGE_TARGET:
	313	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	314	/* Min, max, step. */
	315	for (idx = 0; idx < 3; idx++) {
	316	dval = devc->model->voltage[idx];
	317	gvar = g_variant_new_double(dval);
	318	g_variant_builder_add_value(&gvb, gvar);
	319	}
	320	*data = g_variant_builder_end(&gvb);
	321	break;
	322	case SR_CONF_CURRENT_LIMIT:
	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->current[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	default:
	333	return SR_ERR_NA;
	334	}
	335
	336	return SR_OK;
	337	}
	338
	339	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	340	{
	341	struct dev_context *devc;
	342	struct sr_serial_dev_inst *serial;
	343
	344	devc = sdi->priv;
	345
	346	sr_sw_limits_acquisition_start(&devc->limits);
	347	std_session_send_df_header(sdi);
	348
	349	devc->reply_pending = FALSE;
	350	devc->req_sent_at = 0;
	351	serial = sdi->conn;
	352	serial_source_add(sdi->session, serial, G_IO_IN,
	353	KAXXXXP_POLL_INTERVAL_MS,
	354	korad_kaxxxxp_receive_data, (void *)sdi);
	355
	356	return SR_OK;
	357	}
	358
	359	static struct sr_dev_driver korad_kaxxxxp_driver_info = {
	360	.name = "korad-kaxxxxp",
	361	.longname = "Korad KAxxxxP",
	362	.api_version = 1,
	363	.init = std_init,
	364	.cleanup = std_cleanup,
	365	.scan = scan,
	366	.dev_list = std_dev_list,
	367	.dev_clear = std_dev_clear,
	368	.config_get = config_get,
	369	.config_set = config_set,
	370	.config_list = config_list,
	371	.dev_open = std_serial_dev_open,
	372	.dev_close = std_serial_dev_close,
	373	.dev_acquisition_start = dev_acquisition_start,
	374	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	375	.context = NULL,
	376	};
	377	SR_REGISTER_DEV_DRIVER(korad_kaxxxxp_driver_info);