[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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

/**
 * @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;

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

	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;

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

	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,
	.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, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	20	*/
	21
	22	/**
	23	* @file
	24	*
	25	* <em>Manson HCS-3xxx series</em> power supply driver
	26	*
	27	* @internal
	28	*/
	29
	30	#include <config.h>
	31	#include "protocol.h"
	32
	33	static const uint32_t drvopts[] = {
	34	/* Device class */
	35	SR_CONF_POWER_SUPPLY,
	36	};
	37
	38	static const uint32_t scanopts[] = {
	39	SR_CONF_CONN,
	40	SR_CONF_SERIALCOMM,
	41	};
	42
	43	static const uint32_t devopts[] = {
	44	/* Device class */
	45	SR_CONF_POWER_SUPPLY,
	46	/* Acquisition modes. */
	47	SR_CONF_CONTINUOUS,
	48	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	49	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	50	/* Device configuration */
	51	SR_CONF_VOLTAGE \| SR_CONF_GET,
	52	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	53	SR_CONF_CURRENT \| SR_CONF_GET,
	54	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	55	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	56	};
	57
	58	/* Note: All models have one power supply output only. */
	59	static const struct hcs_model models[] = {
	60	{ MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
	61	{ MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
	62	{ MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
	63	{ MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
	64	{ MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
	65	{ MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
	66	{ MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
	67	{ MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
	68	{ MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
	69	{ MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
	70	{ MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
	71	{ MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
	72	{ MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
	73	{ MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
	74	{ MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
	75	{ MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
	76	ALL_ZERO
	77	};
	78
	79	static GSList scan(struct sr_dev_driver di, GSList *options)
	80	{
	81	int i, model_id;
	82	struct dev_context *devc;
	83	struct sr_dev_inst *sdi;
	84	struct sr_config *src;
	85	GSList *l;
	86	const char conn, serialcomm;
	87	struct sr_serial_dev_inst *serial;
	88	char reply[50], *tokens, dummy;
	89
	90	conn = NULL;
	91	serialcomm = NULL;
	92	devc = NULL;
	93
	94	for (l = options; l; l = l->next) {
	95	src = l->data;
	96	switch (src->key) {
	97	case SR_CONF_CONN:
	98	conn = g_variant_get_string(src->data, NULL);
	99	break;
	100	case SR_CONF_SERIALCOMM:
	101	serialcomm = g_variant_get_string(src->data, NULL);
	102	break;
	103	default:
	104	sr_err("Unknown option %d, skipping.", src->key);
	105	break;
	106	}
	107	}
	108
	109	if (!conn)
	110	return NULL;
	111	if (!serialcomm)
	112	serialcomm = "9600/8n1";
	113
	114	serial = sr_serial_dev_inst_new(conn, serialcomm);
	115
	116	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	117	return NULL;
	118
	119	serial_flush(serial);
	120
	121	sr_info("Probing serial port %s.", conn);
	122
	123	/* Get the device model. */
	124	memset(&reply, 0, sizeof(reply));
	125	if ((hcs_send_cmd(serial, "GMOD\r") < 0) \|\|
	126	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	127	return NULL;
	128	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	129
	130	model_id = -1;
	131	for (i = 0; models[i].id != NULL; i++) {
	132	if (!strcmp(models[i].id, tokens[0]))
	133	model_id = i;
	134	}
	135	if (model_id < 0) {
	136	sr_err("Unknown model ID '%s' detected, aborting.", tokens[0]);
	137	g_strfreev(tokens);
	138	return NULL;
	139	}
	140	g_strfreev(tokens);
	141
	142	/* Init device instance, etc. */
	143	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	144	sdi->status = SR_ST_INACTIVE;
	145	sdi->vendor = g_strdup("Manson");
	146	sdi->model = g_strdup(models[model_id].name);
	147	sdi->inst_type = SR_INST_SERIAL;
	148	sdi->conn = serial;
	149
	150	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	151
	152	devc = g_malloc0(sizeof(struct dev_context));
	153	sr_sw_limits_init(&devc->limits);
	154	devc->model = &models[model_id];
	155
	156	sdi->priv = devc;
	157
	158	/* Get current voltage, current, status. */
	159	if ((hcs_send_cmd(serial, "GETD\r") < 0) \|\|
	160	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	161	goto exit_err;
	162	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	163	if (hcs_parse_volt_curr_mode(sdi, tokens) < 0) {
	164	g_strfreev(tokens);
	165	goto exit_err;
	166	}
	167	g_strfreev(tokens);
	168
	169	/* Get max. voltage and current. */
	170	if ((hcs_send_cmd(serial, "GMAX\r") < 0) \|\|
	171	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	172	goto exit_err;
	173	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	174	devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
	175	tokens[0][3] = '\0';
	176	devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
	177	g_strfreev(tokens);
	178
	179	serial_close(serial);
	180
	181	return std_scan_complete(di, g_slist_append(NULL, sdi));
	182
	183	exit_err:
	184	sr_dev_inst_free(sdi);
	185	g_free(devc);
	186
	187	return NULL;
	188	}
	189
	190	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	191	const struct sr_channel_group *cg)
	192	{
	193	struct dev_context *devc;
	194
	195	(void)cg;
	196
	197	if (!sdi)
	198	return SR_ERR_ARG;
	199
	200	devc = sdi->priv;
	201
	202	switch (key) {
	203	case SR_CONF_LIMIT_SAMPLES:
	204	case SR_CONF_LIMIT_MSEC:
	205	return sr_sw_limits_config_get(&devc->limits, key, data);
	206	case SR_CONF_VOLTAGE:
	207	*data = g_variant_new_double(devc->voltage);
	208	break;
	209	case SR_CONF_VOLTAGE_TARGET:
	210	*data = g_variant_new_double(devc->voltage_max);
	211	break;
	212	case SR_CONF_CURRENT:
	213	*data = g_variant_new_double(devc->current);
	214	break;
	215	case SR_CONF_CURRENT_LIMIT:
	216	*data = g_variant_new_double(devc->current_max);
	217	break;
	218	case SR_CONF_ENABLED:
	219	*data = g_variant_new_boolean(devc->output_enabled);
	220	break;
	221	default:
	222	return SR_ERR_NA;
	223	}
	224
	225	return SR_OK;
	226	}
	227
	228	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	229	const struct sr_channel_group *cg)
	230	{
	231	struct dev_context *devc;
	232	gboolean bval;
	233	gdouble dval;
	234
	235	(void)cg;
	236
	237	if (sdi->status != SR_ST_ACTIVE)
	238	return SR_ERR_DEV_CLOSED;
	239
	240	devc = sdi->priv;
	241
	242	switch (key) {
	243	case SR_CONF_LIMIT_MSEC:
	244	case SR_CONF_LIMIT_SAMPLES:
	245	return sr_sw_limits_config_set(&devc->limits, key, data);
	246	case SR_CONF_VOLTAGE_TARGET:
	247	dval = g_variant_get_double(data);
	248	if (dval < devc->model->voltage[0] \|\| dval > devc->voltage_max_device)
	249	return SR_ERR_ARG;
	250
	251	if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
	252	(dval / devc->model->voltage[2])) < 0) \|\|
	253	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	254	return SR_ERR;
	255	devc->voltage_max = dval;
	256	break;
	257	case SR_CONF_CURRENT_LIMIT:
	258	dval = g_variant_get_double(data);
	259	if (dval < devc->model->current[0] \|\| dval > devc->current_max_device)
	260	return SR_ERR_ARG;
	261
	262	if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
	263	(dval / devc->model->current[2])) < 0) \|\|
	264	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	265	return SR_ERR;
	266	devc->current_max = dval;
	267	break;
	268	case SR_CONF_ENABLED:
	269	bval = g_variant_get_boolean(data);
	270	if (bval == devc->output_enabled) /* Nothing to do. */
	271	break;
	272	if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) \|\|
	273	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	274	return SR_ERR;
	275	devc->output_enabled = bval;
	276	break;
	277	default:
	278	return SR_ERR_NA;
	279	}
	280
	281	return SR_OK;
	282	}
	283
	284	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	285	const struct sr_channel_group *cg)
	286	{
	287	struct dev_context *devc;
	288	GVariant *gvar;
	289	GVariantBuilder gvb;
	290	double dval;
	291	int idx;
	292
	293	(void)cg;
	294
	295	/* Always available (with or without sdi). */
	296	if (key == SR_CONF_SCAN_OPTIONS) {
	297	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	298	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	299	return SR_OK;
	300	}
	301
	302	/* Return drvopts without sdi (and devopts with sdi, see below). */
	303	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	304	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	305	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	306	return SR_OK;
	307	}
	308
	309	/* Every other key needs an sdi. */
	310	if (!sdi)
	311	return SR_ERR_ARG;
	312	devc = sdi->priv;
	313
	314	switch (key) {
	315	case SR_CONF_DEVICE_OPTIONS:
	316	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	317	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	318	break;
	319	case SR_CONF_VOLTAGE_TARGET:
	320	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	321	/* Min, max, step. */
	322	for (idx = 0; idx < 3; idx++) {
	323	if (idx == 1)
	324	dval = devc->voltage_max_device;
	325	else
	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	if (idx == 1)
	337	dval = devc->current_max_device;
	338	else
	339	dval = devc->model->current[idx];
	340	gvar = g_variant_new_double(dval);
	341	g_variant_builder_add_value(&gvb, gvar);
	342	}
	343	*data = g_variant_builder_end(&gvb);
	344	break;
	345	default:
	346	return SR_ERR_NA;
	347	}
	348
	349	return SR_OK;
	350	}
	351
	352	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	353	{
	354	struct dev_context *devc;
	355	struct sr_serial_dev_inst *serial;
	356
	357	if (sdi->status != SR_ST_ACTIVE)
	358	return SR_ERR_DEV_CLOSED;
	359
	360	devc = sdi->priv;
	361
	362	sr_sw_limits_acquisition_start(&devc->limits);
	363	std_session_send_df_header(sdi);
	364
	365	devc->reply_pending = FALSE;
	366	devc->req_sent_at = 0;
	367
	368	/* Poll every 10ms, or whenever some data comes in. */
	369	serial = sdi->conn;
	370	serial_source_add(sdi->session, serial, G_IO_IN, 10,
	371	hcs_receive_data, (void *)sdi);
	372
	373	return SR_OK;
	374	}
	375
	376	static struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	377	.name = "manson-hcs-3xxx",
	378	.longname = "Manson HCS-3xxx",
	379	.api_version = 1,
	380	.init = std_init,
	381	.cleanup = std_cleanup,
	382	.scan = scan,
	383	.dev_list = std_dev_list,
	384	.config_get = config_get,
	385	.config_set = config_set,
	386	.config_list = config_list,
	387	.dev_open = std_serial_dev_open,
	388	.dev_close = std_serial_dev_close,
	389	.dev_acquisition_start = dev_acquisition_start,
	390	.dev_acquisition_stop = std_serial_dev_acquisition_stop,
	391	.context = NULL,
	392	};
	393	SR_REGISTER_DEV_DRIVER(manson_hcs_3xxx_driver_info);