[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/>.
 */

/**
 * @file
 *
 * <em>Manson HCS-3xxx series</em> power supply driver
 *
 * @internal
 */

#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,
};

/* 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_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);

	/* Init device instance, etc. */
	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 (bval == devc->output_enabled) /* Nothing to do. */
			break;
		if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) ||
		    (hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
			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)
{
	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++) {
			if (idx == 1)
				dval = devc->voltage_max_device;
			else
				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++) {
			if (idx == 1)
				dval = devc->current_max_device;
			else
				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;

	/* Poll every 10ms, or whenever some data comes in. */
	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	/**
	22	* @file
	23	*
	24	* <em>Manson HCS-3xxx series</em> power supply driver
	25	*
	26	* @internal
	27	*/
	28
	29	#include <config.h>
	30	#include "protocol.h"
	31
	32	static const uint32_t drvopts[] = {
	33	/* Device class */
	34	SR_CONF_POWER_SUPPLY,
	35	};
	36
	37	static const uint32_t scanopts[] = {
	38	SR_CONF_CONN,
	39	SR_CONF_SERIALCOMM,
	40	};
	41
	42	static const uint32_t devopts[] = {
	43	/* Device class */
	44	SR_CONF_POWER_SUPPLY,
	45	/* Acquisition modes. */
	46	SR_CONF_CONTINUOUS,
	47	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	48	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	49	/* Device configuration */
	50	SR_CONF_VOLTAGE \| SR_CONF_GET,
	51	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	52	SR_CONF_CURRENT \| SR_CONF_GET,
	53	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	54	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	55	};
	56
	57	/* Note: All models have one power supply output only. */
	58	static const struct hcs_model models[] = {
	59	{ MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
	60	{ MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
	61	{ MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
	62	{ MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
	63	{ MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
	64	{ MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
	65	{ MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
	66	{ MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
	67	{ MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
	68	{ MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
	69	{ MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
	70	{ MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
	71	{ MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
	72	{ MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
	73	{ MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
	74	{ MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
	75	ALL_ZERO
	76	};
	77
	78	static GSList scan(struct sr_dev_driver di, GSList *options)
	79	{
	80	int i, model_id;
	81	struct dev_context *devc;
	82	struct sr_dev_inst *sdi;
	83	struct sr_config *src;
	84	GSList *l;
	85	const char conn, serialcomm;
	86	struct sr_serial_dev_inst *serial;
	87	char reply[50], *tokens, dummy;
	88
	89	conn = NULL;
	90	serialcomm = NULL;
	91	devc = NULL;
	92
	93	for (l = options; l; l = l->next) {
	94	src = l->data;
	95	switch (src->key) {
	96	case SR_CONF_CONN:
	97	conn = g_variant_get_string(src->data, NULL);
	98	break;
	99	case SR_CONF_SERIALCOMM:
	100	serialcomm = g_variant_get_string(src->data, NULL);
	101	break;
	102	default:
	103	sr_err("Unknown option %d, skipping.", src->key);
	104	break;
	105	}
	106	}
	107
	108	if (!conn)
	109	return NULL;
	110	if (!serialcomm)
	111	serialcomm = "9600/8n1";
	112
	113	serial = sr_serial_dev_inst_new(conn, serialcomm);
	114
	115	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	116	return NULL;
	117
	118	serial_flush(serial);
	119
	120	sr_info("Probing serial port %s.", conn);
	121
	122	/* Get the device model. */
	123	memset(&reply, 0, sizeof(reply));
	124	if ((hcs_send_cmd(serial, "GMOD\r") < 0) \|\|
	125	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	126	return NULL;
	127	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	128
	129	model_id = -1;
	130	for (i = 0; models[i].id != NULL; i++) {
	131	if (!strcmp(models[i].id, tokens[0]))
	132	model_id = i;
	133	}
	134	if (model_id < 0) {
	135	sr_err("Unknown model ID '%s' detected, aborting.", tokens[0]);
	136	g_strfreev(tokens);
	137	return NULL;
	138	}
	139	g_strfreev(tokens);
	140
	141	/* Init device instance, etc. */
	142	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	143	sdi->status = SR_ST_INACTIVE;
	144	sdi->vendor = g_strdup("Manson");
	145	sdi->model = g_strdup(models[model_id].name);
	146	sdi->inst_type = SR_INST_SERIAL;
	147	sdi->conn = serial;
	148
	149	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	150
	151	devc = g_malloc0(sizeof(struct dev_context));
	152	sr_sw_limits_init(&devc->limits);
	153	devc->model = &models[model_id];
	154
	155	sdi->priv = devc;
	156
	157	/* Get current voltage, current, status. */
	158	if ((hcs_send_cmd(serial, "GETD\r") < 0) \|\|
	159	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	160	goto exit_err;
	161	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	162	if (hcs_parse_volt_curr_mode(sdi, tokens) < 0) {
	163	g_strfreev(tokens);
	164	goto exit_err;
	165	}
	166	g_strfreev(tokens);
	167
	168	/* Get max. voltage and current. */
	169	if ((hcs_send_cmd(serial, "GMAX\r") < 0) \|\|
	170	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	171	goto exit_err;
	172	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	173	devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
	174	tokens[0][3] = '\0';
	175	devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
	176	g_strfreev(tokens);
	177
	178	serial_close(serial);
	179
	180	return std_scan_complete(di, g_slist_append(NULL, sdi));
	181
	182	exit_err:
	183	sr_dev_inst_free(sdi);
	184	g_free(devc);
	185
	186	return NULL;
	187	}
	188
	189	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	190	const struct sr_channel_group *cg)
	191	{
	192	struct dev_context *devc;
	193
	194	(void)cg;
	195
	196	if (!sdi)
	197	return SR_ERR_ARG;
	198
	199	devc = sdi->priv;
	200
	201	switch (key) {
	202	case SR_CONF_LIMIT_SAMPLES:
	203	case SR_CONF_LIMIT_MSEC:
	204	return sr_sw_limits_config_get(&devc->limits, key, data);
	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;
	220	default:
	221	return SR_ERR_NA;
	222	}
	223
	224	return SR_OK;
	225	}
	226
	227	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	228	const struct sr_channel_group *cg)
	229	{
	230	struct dev_context *devc;
	231	gboolean bval;
	232	gdouble dval;
	233
	234	(void)cg;
	235
	236	devc = sdi->priv;
	237
	238	switch (key) {
	239	case SR_CONF_LIMIT_MSEC:
	240	case SR_CONF_LIMIT_SAMPLES:
	241	return sr_sw_limits_config_set(&devc->limits, key, data);
	242	case SR_CONF_VOLTAGE_TARGET:
	243	dval = g_variant_get_double(data);
	244	if (dval < devc->model->voltage[0] \|\| dval > devc->voltage_max_device)
	245	return SR_ERR_ARG;
	246
	247	if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
	248	(dval / devc->model->voltage[2])) < 0) \|\|
	249	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	250	return SR_ERR;
	251	devc->voltage_max = dval;
	252	break;
	253	case SR_CONF_CURRENT_LIMIT:
	254	dval = g_variant_get_double(data);
	255	if (dval < devc->model->current[0] \|\| dval > devc->current_max_device)
	256	return SR_ERR_ARG;
	257
	258	if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
	259	(dval / devc->model->current[2])) < 0) \|\|
	260	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	261	return SR_ERR;
	262	devc->current_max = dval;
	263	break;
	264	case SR_CONF_ENABLED:
	265	bval = g_variant_get_boolean(data);
	266	if (bval == devc->output_enabled) /* Nothing to do. */
	267	break;
	268	if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) \|\|
	269	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	270	return SR_ERR;
	271	devc->output_enabled = bval;
	272	break;
	273	default:
	274	return SR_ERR_NA;
	275	}
	276
	277	return SR_OK;
	278	}
	279
	280	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	281	const struct sr_channel_group *cg)
	282	{
	283	struct dev_context *devc;
	284	GVariant *gvar;
	285	GVariantBuilder gvb;
	286	double dval;
	287	int idx;
	288
	289	(void)cg;
	290
	291	/* Always available (with or without sdi). */
	292	if (key == SR_CONF_SCAN_OPTIONS) {
	293	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	294	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	295	return SR_OK;
	296	}
	297
	298	/* Return drvopts without sdi (and devopts with sdi, see below). */
	299	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	300	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	301	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	302	return SR_OK;
	303	}
	304
	305	/* Every other key needs an sdi. */
	306	if (!sdi)
	307	return SR_ERR_ARG;
	308	devc = sdi->priv;
	309
	310	switch (key) {
	311	case SR_CONF_DEVICE_OPTIONS:
	312	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	313	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	314	break;
	315	case SR_CONF_VOLTAGE_TARGET:
	316	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	317	/* Min, max, step. */
	318	for (idx = 0; idx < 3; idx++) {
	319	if (idx == 1)
	320	dval = devc->voltage_max_device;
	321	else
	322	dval = devc->model->voltage[idx];
	323	gvar = g_variant_new_double(dval);
	324	g_variant_builder_add_value(&gvb, gvar);
	325	}
	326	*data = g_variant_builder_end(&gvb);
	327	break;
	328	case SR_CONF_CURRENT_LIMIT:
	329	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	330	/* Min, max, step. */
	331	for (idx = 0; idx < 3; idx++) {
	332	if (idx == 1)
	333	dval = devc->current_max_device;
	334	else
	335	dval = devc->model->current[idx];
	336	gvar = g_variant_new_double(dval);
	337	g_variant_builder_add_value(&gvb, gvar);
	338	}
	339	*data = g_variant_builder_end(&gvb);
	340	break;
	341	default:
	342	return SR_ERR_NA;
	343	}
	344
	345	return SR_OK;
	346	}
	347
	348	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	349	{
	350	struct dev_context *devc;
	351	struct sr_serial_dev_inst *serial;
	352
	353	devc = sdi->priv;
	354
	355	sr_sw_limits_acquisition_start(&devc->limits);
	356	std_session_send_df_header(sdi);
	357
	358	devc->reply_pending = FALSE;
	359	devc->req_sent_at = 0;
	360
	361	/* Poll every 10ms, or whenever some data comes in. */
	362	serial = sdi->conn;
	363	serial_source_add(sdi->session, serial, G_IO_IN, 10,
	364	hcs_receive_data, (void *)sdi);
	365
	366	return SR_OK;
	367	}
	368
	369	static struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	370	.name = "manson-hcs-3xxx",
	371	.longname = "Manson HCS-3xxx",
	372	.api_version = 1,
	373	.init = std_init,
	374	.cleanup = std_cleanup,
	375	.scan = scan,
	376	.dev_list = std_dev_list,
	377	.dev_clear = std_dev_clear,
	378	.config_get = config_get,
	379	.config_set = config_set,
	380	.config_list = config_list,
	381	.dev_open = std_serial_dev_open,
	382	.dev_close = std_serial_dev_close,
	383	.dev_acquisition_start = dev_acquisition_start,
	384	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	385	.context = NULL,
	386	};
	387	SR_REGISTER_DEV_DRIVER(manson_hcs_3xxx_driver_info);