[libsigrok.git] / src / hardware / manson-hcs-3xxx / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
 * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
 *
 * 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 2 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 scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

static const uint32_t drvopts[] = {
	SR_CONF_POWER_SUPPLY,
};

static const uint32_t devopts[] = {
	SR_CONF_CONTINUOUS,
	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
	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,
};

/* Note: All models have one power supply output only. */
static const struct hcs_model models[] = {
	{ MANSON_HCS_3100, "HCS-3100",     "3100", { 1, 18, 0.1 }, { 0, 10,   0.10 } },
	{ MANSON_HCS_3102, "HCS-3102",     "3102", { 1, 36, 0.1 }, { 0,  5,   0.01 } },
	{ MANSON_HCS_3104, "HCS-3104",     "3104", { 1, 60, 0.1 }, { 0,  2.5, 0.01 } },
	{ MANSON_HCS_3150, "HCS-3150",     "3150", { 1, 18, 0.1 }, { 0, 15,   0.10 } },
	{ MANSON_HCS_3200, "HCS-3200",     "3200", { 1, 18, 0.1 }, { 0, 20,   0.10 } },
	{ MANSON_HCS_3202, "HCS-3202",     "3202", { 1, 36, 0.1 }, { 0, 10,   0.10 } },
	{ MANSON_HCS_3204, "HCS-3204",     "3204", { 1, 60, 0.1 }, { 0,  5,   0.01 } },
	{ MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30,   0.10 } },
	{ MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15,   0.10 } },
	{ MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0,  8,   0.10 } },
	{ MANSON_HCS_3304, "HCS-3304-USB", "HCS-3304", { 1, 60, 0.1 }, { 0,  8,   0.10 } },
	{ MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40,   0.10 } },
	{ MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20,   0.10 } },
	{ MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10,   0.10 } },
	{ MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60,   0.10 } },
	{ MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30,   0.10 } },
	{ MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15,   0.10 } },
	ALL_ZERO
};

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

	conn = NULL;
	serialcomm = NULL;
	devc = 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);

	sr_info("Probing serial port %s.", conn);

	/* Get the device model. */
	memset(&reply, 0, sizeof(reply));
	if ((hcs_send_cmd(serial, "GMOD\r") < 0) ||
	    (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
		return NULL;
	tokens = g_strsplit((const gchar *)&reply, "\r", 2);

	model_id = -1;
	for (i = 0; models[i].id != NULL; i++) {
		if (!strcmp(models[i].id, tokens[0]))
			model_id = i;
	}
	if (model_id < 0) {
		sr_err("Unknown model ID '%s' detected, aborting.", tokens[0]);
		g_strfreev(tokens);
		return NULL;
	}
	g_strfreev(tokens);

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup("Manson");
	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];

	sdi->priv = devc;

	/* Get current voltage, current, status. */
	if ((hcs_send_cmd(serial, "GETD\r") < 0) ||
	    (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
		goto exit_err;
	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	if (hcs_parse_volt_curr_mode(sdi, tokens) < 0) {
		g_strfreev(tokens);
		goto exit_err;
	}
	g_strfreev(tokens);

	/* Get max. voltage and current. */
	if ((hcs_send_cmd(serial, "GMAX\r") < 0) ||
	    (hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
		goto exit_err;
	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
	tokens[0][3] = '\0';
	devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
	g_strfreev(tokens);

	serial_close(serial);

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

exit_err:
	sr_dev_inst_free(sdi);
	g_free(devc);

	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)
		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;
	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;
	gboolean bval;
	gdouble dval;

	(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->voltage_max_device)
			return SR_ERR_ARG;

		if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
			(dval / devc->model->voltage[2])) < 0) ||
		    (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
			return SR_ERR;
		devc->voltage_max = dval;
		break;
	case SR_CONF_CURRENT_LIMIT:
		dval = g_variant_get_double(data);
		if (dval < devc->model->current[0] || dval > devc->current_max_device)
			return SR_ERR_ARG;

		if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
			(dval / devc->model->current[2])) < 0) ||
		    (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
			return SR_ERR;
		devc->current_max = dval;
		break;
	case SR_CONF_ENABLED:
		bval = g_variant_get_boolean(data);

		if (hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) {
			sr_err("Could not send SR_CONF_ENABLED command.");
			return SR_ERR;
		}
		if (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0) {
			sr_err("Could not read SR_CONF_ENABLED reply.");
			return SR_ERR;
		}
		devc->output_enabled = bval;
		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)
{
	const double *a;
	struct dev_context *devc;

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

	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_VOLTAGE_TARGET:
		if (!devc || !devc->model)
			return SR_ERR_ARG;
		a = devc->model->voltage;
		*data = std_gvar_min_max_step(a[0], devc->voltage_max_device, a[2]);
		break;
	case SR_CONF_CURRENT_LIMIT:
		if (!devc || !devc->model)
			return SR_ERR_ARG;
		a = devc->model->current;
		*data = std_gvar_min_max_step(a[0], devc->current_max_device, a[2]);
		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, 10,
			hcs_receive_data, (void *)sdi);

	return SR_OK;
}

static struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	.name = "manson-hcs-3xxx",
	.longname = "Manson HCS-3xxx",
	.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(manson_hcs_3xxx_driver_info);
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
	5	* Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
	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 2 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
	21	#include <config.h>
	22	#include "protocol.h"
	23
	24	static const uint32_t scanopts[] = {
	25	SR_CONF_CONN,
	26	SR_CONF_SERIALCOMM,
	27	};
	28
	29	static const uint32_t drvopts[] = {
	30	SR_CONF_POWER_SUPPLY,
	31	};
	32
	33	static const uint32_t devopts[] = {
	34	SR_CONF_CONTINUOUS,
	35	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	36	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	37	SR_CONF_VOLTAGE \| SR_CONF_GET,
	38	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	39	SR_CONF_CURRENT \| SR_CONF_GET,
	40	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	41	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	42	};
	43
	44	/* Note: All models have one power supply output only. */
	45	static const struct hcs_model models[] = {
	46	{ MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
	47	{ MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
	48	{ MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
	49	{ MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
	50	{ MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
	51	{ MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
	52	{ MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
	53	{ MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
	54	{ MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
	55	{ MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
	56	{ MANSON_HCS_3304, "HCS-3304-USB", "HCS-3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
	57	{ MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
	58	{ MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
	59	{ MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
	60	{ MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
	61	{ MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
	62	{ MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
	63	ALL_ZERO
	64	};
	65
	66	static GSList scan(struct sr_dev_driver di, GSList *options)
	67	{
	68	int i, model_id;
	69	struct dev_context *devc;
	70	struct sr_dev_inst *sdi;
	71	struct sr_config *src;
	72	GSList *l;
	73	const char conn, serialcomm;
	74	struct sr_serial_dev_inst *serial;
	75	char reply[50], *tokens, dummy;
	76
	77	conn = NULL;
	78	serialcomm = NULL;
	79	devc = NULL;
	80
	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
	103	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	104	return NULL;
	105
	106	serial_flush(serial);
	107
	108	sr_info("Probing serial port %s.", conn);
	109
	110	/* Get the device model. */
	111	memset(&reply, 0, sizeof(reply));
	112	if ((hcs_send_cmd(serial, "GMOD\r") < 0) \|\|
	113	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	114	return NULL;
	115	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	116
	117	model_id = -1;
	118	for (i = 0; models[i].id != NULL; i++) {
	119	if (!strcmp(models[i].id, tokens[0]))
	120	model_id = i;
	121	}
	122	if (model_id < 0) {
	123	sr_err("Unknown model ID '%s' detected, aborting.", tokens[0]);
	124	g_strfreev(tokens);
	125	return NULL;
	126	}
	127	g_strfreev(tokens);
	128
	129	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	130	sdi->status = SR_ST_INACTIVE;
	131	sdi->vendor = g_strdup("Manson");
	132	sdi->model = g_strdup(models[model_id].name);
	133	sdi->inst_type = SR_INST_SERIAL;
	134	sdi->conn = serial;
	135
	136	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	137
	138	devc = g_malloc0(sizeof(struct dev_context));
	139	sr_sw_limits_init(&devc->limits);
	140	devc->model = &models[model_id];
	141
	142	sdi->priv = devc;
	143
	144	/* Get current voltage, current, status. */
	145	if ((hcs_send_cmd(serial, "GETD\r") < 0) \|\|
	146	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	147	goto exit_err;
	148	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	149	if (hcs_parse_volt_curr_mode(sdi, tokens) < 0) {
	150	g_strfreev(tokens);
	151	goto exit_err;
	152	}
	153	g_strfreev(tokens);
	154
	155	/* Get max. voltage and current. */
	156	if ((hcs_send_cmd(serial, "GMAX\r") < 0) \|\|
	157	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	158	goto exit_err;
	159	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	160	devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
	161	tokens[0][3] = '\0';
	162	devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
	163	g_strfreev(tokens);
	164
	165	serial_close(serial);
	166
	167	return std_scan_complete(di, g_slist_append(NULL, sdi));
	168
	169	exit_err:
	170	sr_dev_inst_free(sdi);
	171	g_free(devc);
	172
	173	return NULL;
	174	}
	175
	176	static int config_get(uint32_t key, GVariant **data,
	177	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	178	{
	179	struct dev_context *devc;
	180
	181	(void)cg;
	182
	183	if (!sdi)
	184	return SR_ERR_ARG;
	185
	186	devc = sdi->priv;
	187
	188	switch (key) {
	189	case SR_CONF_LIMIT_SAMPLES:
	190	case SR_CONF_LIMIT_MSEC:
	191	return sr_sw_limits_config_get(&devc->limits, key, data);
	192	case SR_CONF_VOLTAGE:
	193	*data = g_variant_new_double(devc->voltage);
	194	break;
	195	case SR_CONF_VOLTAGE_TARGET:
	196	*data = g_variant_new_double(devc->voltage_max);
	197	break;
	198	case SR_CONF_CURRENT:
	199	*data = g_variant_new_double(devc->current);
	200	break;
	201	case SR_CONF_CURRENT_LIMIT:
	202	*data = g_variant_new_double(devc->current_max);
	203	break;
	204	case SR_CONF_ENABLED:
	205	*data = g_variant_new_boolean(devc->output_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	gboolean bval;
	219	gdouble dval;
	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->voltage_max_device)
	232	return SR_ERR_ARG;
	233
	234	if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
	235	(dval / devc->model->voltage[2])) < 0) \|\|
	236	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	237	return SR_ERR;
	238	devc->voltage_max = dval;
	239	break;
	240	case SR_CONF_CURRENT_LIMIT:
	241	dval = g_variant_get_double(data);
	242	if (dval < devc->model->current[0] \|\| dval > devc->current_max_device)
	243	return SR_ERR_ARG;
	244
	245	if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
	246	(dval / devc->model->current[2])) < 0) \|\|
	247	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	248	return SR_ERR;
	249	devc->current_max = dval;
	250	break;
	251	case SR_CONF_ENABLED:
	252	bval = g_variant_get_boolean(data);
	253
	254	if (hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) {
	255	sr_err("Could not send SR_CONF_ENABLED command.");
	256	return SR_ERR;
	257	}
	258	if (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0) {
	259	sr_err("Could not read SR_CONF_ENABLED reply.");
	260	return SR_ERR;
	261	}
	262	devc->output_enabled = bval;
	263	break;
	264	default:
	265	return SR_ERR_NA;
	266	}
	267
	268	return SR_OK;
	269	}
	270
	271	static int config_list(uint32_t key, GVariant **data,
	272	const struct sr_dev_inst sdi, const struct sr_channel_group cg)
	273	{
	274	const double *a;
	275	struct dev_context *devc;
	276
	277	devc = (sdi) ? sdi->priv : NULL;
	278
	279	switch (key) {
	280	case SR_CONF_SCAN_OPTIONS:
	281	case SR_CONF_DEVICE_OPTIONS:
	282	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
	283	case SR_CONF_VOLTAGE_TARGET:
	284	if (!devc \|\| !devc->model)
	285	return SR_ERR_ARG;
	286	a = devc->model->voltage;
	287	*data = std_gvar_min_max_step(a[0], devc->voltage_max_device, a[2]);
	288	break;
	289	case SR_CONF_CURRENT_LIMIT:
	290	if (!devc \|\| !devc->model)
	291	return SR_ERR_ARG;
	292	a = devc->model->current;
	293	*data = std_gvar_min_max_step(a[0], devc->current_max_device, a[2]);
	294	break;
	295	default:
	296	return SR_ERR_NA;
	297	}
	298
	299	return SR_OK;
	300	}
	301
	302	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	303	{
	304	struct dev_context *devc;
	305	struct sr_serial_dev_inst *serial;
	306
	307	devc = sdi->priv;
	308
	309	sr_sw_limits_acquisition_start(&devc->limits);
	310	std_session_send_df_header(sdi);
	311
	312	devc->reply_pending = FALSE;
	313	devc->req_sent_at = 0;
	314
	315	serial = sdi->conn;
	316	serial_source_add(sdi->session, serial, G_IO_IN, 10,
	317	hcs_receive_data, (void *)sdi);
	318
	319	return SR_OK;
	320	}
	321
	322	static struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	323	.name = "manson-hcs-3xxx",
	324	.longname = "Manson HCS-3xxx",
	325	.api_version = 1,
	326	.init = std_init,
	327	.cleanup = std_cleanup,
	328	.scan = scan,
	329	.dev_list = std_dev_list,
	330	.dev_clear = std_dev_clear,
	331	.config_get = config_get,
	332	.config_set = config_set,
	333	.config_list = config_list,
	334	.dev_open = std_serial_dev_open,
	335	.dev_close = std_serial_dev_close,
	336	.dev_acquisition_start = dev_acquisition_start,
	337	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	338	.context = NULL,
	339	};
	340	SR_REGISTER_DEV_DRIVER(manson_hcs_3xxx_driver_info);