[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
};

SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info;

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

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)
{
	int i, model_id;
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_dev_inst *sdi;
	struct sr_config *src;
	GSList *devices, *l;
	const char *conn, *serialcomm;
	struct sr_serial_dev_inst *serial;
	char reply[50], **tokens, *dummy;

	drvc = di->context;
	drvc->instances = NULL;
	devices = NULL;
	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;
	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];

	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);

	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);

	return NULL;
}

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

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

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:
		*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;
	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:
		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->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;

	std_session_send_df_header(sdi, LOG_PREFIX);

	devc->starttime = g_get_monotonic_time();
	devc->num_samples = 0;
	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 int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	return std_serial_dev_acquisition_stop(sdi,
			std_serial_dev_close, sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	.name = "manson-hcs-3xxx",
	.longname = "Manson HCS-3xxx",
	.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
	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	/** @file
	23	* <em>Manson HCS-3xxx series</em> power supply driver
	24	* @internal
	25	*/
	26
	27	#include <config.h>
	28	#include "protocol.h"
	29
	30	static const uint32_t drvopts[] = {
	31	/* Device class */
	32	SR_CONF_POWER_SUPPLY,
	33	};
	34
	35	static const uint32_t scanopts[] = {
	36	SR_CONF_CONN,
	37	SR_CONF_SERIALCOMM,
	38	};
	39
	40	static const uint32_t devopts[] = {
	41	/* Device class */
	42	SR_CONF_POWER_SUPPLY,
	43	/* Acquisition modes. */
	44	SR_CONF_CONTINUOUS,
	45	SR_CONF_LIMIT_SAMPLES \| SR_CONF_GET \| SR_CONF_SET,
	46	SR_CONF_LIMIT_MSEC \| SR_CONF_GET \| SR_CONF_SET,
	47	/* Device configuration */
	48	SR_CONF_VOLTAGE \| SR_CONF_GET,
	49	SR_CONF_VOLTAGE_TARGET \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	50	SR_CONF_CURRENT \| SR_CONF_GET,
	51	SR_CONF_CURRENT_LIMIT \| SR_CONF_GET \| SR_CONF_SET \| SR_CONF_LIST,
	52	SR_CONF_ENABLED \| SR_CONF_GET \| SR_CONF_SET,
	53	};
	54
	55	/* Note: All models have one power supply output only. */
	56	static const struct hcs_model models[] = {
	57	{ MANSON_HCS_3100, "HCS-3100", "3100", { 1, 18, 0.1 }, { 0, 10, 0.10 } },
	58	{ MANSON_HCS_3102, "HCS-3102", "3102", { 1, 36, 0.1 }, { 0, 5, 0.01 } },
	59	{ MANSON_HCS_3104, "HCS-3104", "3104", { 1, 60, 0.1 }, { 0, 2.5, 0.01 } },
	60	{ MANSON_HCS_3150, "HCS-3150", "3150", { 1, 18, 0.1 }, { 0, 15, 0.10 } },
	61	{ MANSON_HCS_3200, "HCS-3200", "3200", { 1, 18, 0.1 }, { 0, 20, 0.10 } },
	62	{ MANSON_HCS_3202, "HCS-3202", "3202", { 1, 36, 0.1 }, { 0, 10, 0.10 } },
	63	{ MANSON_HCS_3204, "HCS-3204", "3204", { 1, 60, 0.1 }, { 0, 5, 0.01 } },
	64	{ MANSON_HCS_3300, "HCS-3300-USB", "3300", { 1, 16, 0.1 }, { 0, 30, 0.10 } },
	65	{ MANSON_HCS_3302, "HCS-3302-USB", "3302", { 1, 32, 0.1 }, { 0, 15, 0.10 } },
	66	{ MANSON_HCS_3304, "HCS-3304-USB", "3304", { 1, 60, 0.1 }, { 0, 8, 0.10 } },
	67	{ MANSON_HCS_3400, "HCS-3400-USB", "3400", { 1, 16, 0.1 }, { 0, 40, 0.10 } },
	68	{ MANSON_HCS_3402, "HCS-3402-USB", "3402", { 1, 32, 0.1 }, { 0, 20, 0.10 } },
	69	{ MANSON_HCS_3404, "HCS-3404-USB", "3404", { 1, 60, 0.1 }, { 0, 10, 0.10 } },
	70	{ MANSON_HCS_3600, "HCS-3600-USB", "3600", { 1, 16, 0.1 }, { 0, 60, 0.10 } },
	71	{ MANSON_HCS_3602, "HCS-3602-USB", "3602", { 1, 32, 0.1 }, { 0, 30, 0.10 } },
	72	{ MANSON_HCS_3604, "HCS-3604-USB", "3604", { 1, 60, 0.1 }, { 0, 15, 0.10 } },
	73	ALL_ZERO
	74	};
	75
	76	SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info;
	77
	78	static int dev_clear(const struct sr_dev_driver *di)
	79	{
	80	return std_dev_clear(di, NULL);
	81	}
	82
	83	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	84	{
	85	return std_init(sr_ctx, di, LOG_PREFIX);
	86	}
	87
	88	static GSList scan(struct sr_dev_driver di, GSList *options)
	89	{
	90	int i, model_id;
	91	struct drv_context *drvc;
	92	struct dev_context *devc;
	93	struct sr_dev_inst *sdi;
	94	struct sr_config *src;
	95	GSList devices, l;
	96	const char conn, serialcomm;
	97	struct sr_serial_dev_inst *serial;
	98	char reply[50], *tokens, dummy;
	99
	100	drvc = di->context;
	101	drvc->instances = NULL;
	102	devices = NULL;
	103	conn = NULL;
	104	serialcomm = NULL;
	105	devc = NULL;
	106
	107	for (l = options; l; l = l->next) {
	108	src = l->data;
	109	switch (src->key) {
	110	case SR_CONF_CONN:
	111	conn = g_variant_get_string(src->data, NULL);
	112	break;
	113	case SR_CONF_SERIALCOMM:
	114	serialcomm = g_variant_get_string(src->data, NULL);
	115	break;
	116	default:
	117	sr_err("Unknown option %d, skipping.", src->key);
	118	break;
	119	}
	120	}
	121
	122	if (!conn)
	123	return NULL;
	124	if (!serialcomm)
	125	serialcomm = "9600/8n1";
	126
	127	serial = sr_serial_dev_inst_new(conn, serialcomm);
	128
	129	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	130	return NULL;
	131
	132	serial_flush(serial);
	133
	134	sr_info("Probing serial port %s.", conn);
	135
	136	/* Get the device model. */
	137	memset(&reply, 0, sizeof(reply));
	138	if ((hcs_send_cmd(serial, "GMOD\r") < 0) \|\|
	139	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	140	return NULL;
	141	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	142
	143	model_id = -1;
	144	for (i = 0; models[i].id != NULL; i++) {
	145	if (!strcmp(models[i].id, tokens[0]))
	146	model_id = i;
	147	}
	148	if (model_id < 0) {
	149	sr_err("Unknown model ID '%s' detected, aborting.", tokens[0]);
	150	g_strfreev(tokens);
	151	return NULL;
	152	}
	153	g_strfreev(tokens);
	154
	155	/* Init device instance, etc. */
	156	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	157	sdi->status = SR_ST_INACTIVE;
	158	sdi->vendor = g_strdup("Manson");
	159	sdi->model = g_strdup(models[model_id].name);
	160	sdi->inst_type = SR_INST_SERIAL;
	161	sdi->conn = serial;
	162	sdi->driver = di;
	163
	164	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1");
	165
	166	devc = g_malloc0(sizeof(struct dev_context));
	167	devc->model = &models[model_id];
	168
	169	sdi->priv = devc;
	170
	171	/* Get current voltage, current, status. */
	172	if ((hcs_send_cmd(serial, "GETD\r") < 0) \|\|
	173	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	174	goto exit_err;
	175	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	176	if (hcs_parse_volt_curr_mode(sdi, tokens) < 0) {
	177	g_strfreev(tokens);
	178	goto exit_err;
	179	}
	180	g_strfreev(tokens);
	181
	182	/* Get max. voltage and current. */
	183	if ((hcs_send_cmd(serial, "GMAX\r") < 0) \|\|
	184	(hcs_read_reply(serial, 2, reply, sizeof(reply)) < 0))
	185	goto exit_err;
	186	tokens = g_strsplit((const gchar *)&reply, "\r", 2);
	187	devc->current_max_device = g_strtod(&tokens[0][3], &dummy) * devc->model->current[2];
	188	tokens[0][3] = '\0';
	189	devc->voltage_max_device = g_strtod(tokens[0], &dummy) * devc->model->voltage[2];
	190	g_strfreev(tokens);
	191
	192	drvc->instances = g_slist_append(drvc->instances, sdi);
	193	devices = g_slist_append(devices, sdi);
	194
	195	serial_close(serial);
	196	if (!devices)
	197	sr_serial_dev_inst_free(serial);
	198
	199	return devices;
	200
	201	exit_err:
	202	sr_dev_inst_free(sdi);
	203	g_free(devc);
	204
	205	return NULL;
	206	}
	207
	208	static GSList dev_list(const struct sr_dev_driver di)
	209	{
	210	return ((struct drv_context *)(di->context))->instances;
	211	}
	212
	213	static int cleanup(const struct sr_dev_driver *di)
	214	{
	215	return dev_clear(di);
	216	}
	217
	218	static int config_get(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	219	const struct sr_channel_group *cg)
	220	{
	221	struct dev_context *devc;
	222
	223	(void)cg;
	224
	225	if (!sdi)
	226	return SR_ERR_ARG;
	227
	228	devc = sdi->priv;
	229
	230	switch (key) {
	231	case SR_CONF_LIMIT_SAMPLES:
	232	*data = g_variant_new_uint64(devc->limit_samples);
	233	break;
	234	case SR_CONF_LIMIT_MSEC:
	235	*data = g_variant_new_uint64(devc->limit_msec);
	236	break;
	237	case SR_CONF_VOLTAGE:
	238	*data = g_variant_new_double(devc->voltage);
	239	break;
	240	case SR_CONF_VOLTAGE_TARGET:
	241	*data = g_variant_new_double(devc->voltage_max);
	242	break;
	243	case SR_CONF_CURRENT:
	244	*data = g_variant_new_double(devc->current);
	245	break;
	246	case SR_CONF_CURRENT_LIMIT:
	247	*data = g_variant_new_double(devc->current_max);
	248	break;
	249	case SR_CONF_ENABLED:
	250	*data = g_variant_new_boolean(devc->output_enabled);
	251	break;
	252	default:
	253	return SR_ERR_NA;
	254	}
	255
	256	return SR_OK;
	257	}
	258
	259	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	260	const struct sr_channel_group *cg)
	261	{
	262	struct dev_context *devc;
	263	gboolean bval;
	264	gdouble dval;
	265
	266	(void)cg;
	267
	268	if (sdi->status != SR_ST_ACTIVE)
	269	return SR_ERR_DEV_CLOSED;
	270
	271	devc = sdi->priv;
	272
	273	switch (key) {
	274	case SR_CONF_LIMIT_MSEC:
	275	if (g_variant_get_uint64(data) == 0)
	276	return SR_ERR_ARG;
	277	devc->limit_msec = g_variant_get_uint64(data);
	278	break;
	279	case SR_CONF_LIMIT_SAMPLES:
	280	if (g_variant_get_uint64(data) == 0)
	281	return SR_ERR_ARG;
	282	devc->limit_samples = g_variant_get_uint64(data);
	283	break;
	284	case SR_CONF_VOLTAGE_TARGET:
	285	dval = g_variant_get_double(data);
	286	if (dval < devc->model->voltage[0] \|\| dval > devc->voltage_max_device)
	287	return SR_ERR_ARG;
	288
	289	if ((hcs_send_cmd(sdi->conn, "VOLT%03.0f\r",
	290	(dval / devc->model->voltage[2])) < 0) \|\|
	291	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	292	return SR_ERR;
	293	devc->voltage_max = dval;
	294	break;
	295	case SR_CONF_CURRENT_LIMIT:
	296	dval = g_variant_get_double(data);
	297	if (dval < devc->model->current[0] \|\| dval > devc->current_max_device)
	298	return SR_ERR_ARG;
	299
	300	if ((hcs_send_cmd(sdi->conn, "CURR%03.0f\r",
	301	(dval / devc->model->current[2])) < 0) \|\|
	302	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	303	return SR_ERR;
	304	devc->current_max = dval;
	305	break;
	306	case SR_CONF_ENABLED:
	307	bval = g_variant_get_boolean(data);
	308	if (bval == devc->output_enabled) /* Nothing to do. */
	309	break;
	310	if ((hcs_send_cmd(sdi->conn, "SOUT%1d\r", !bval) < 0) \|\|
	311	(hcs_read_reply(sdi->conn, 1, devc->buf, sizeof(devc->buf)) < 0))
	312	return SR_ERR;
	313	devc->output_enabled = bval;
	314	break;
	315	default:
	316	return SR_ERR_NA;
	317	}
	318
	319	return SR_OK;
	320	}
	321
	322	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	323	const struct sr_channel_group *cg)
	324	{
	325	struct dev_context *devc;
	326	GVariant *gvar;
	327	GVariantBuilder gvb;
	328	double dval;
	329	int idx;
	330
	331	(void)cg;
	332
	333	/* Always available (with or without sdi). */
	334	if (key == SR_CONF_SCAN_OPTIONS) {
	335	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	336	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	337	return SR_OK;
	338	}
	339
	340	/* Return drvopts without sdi (and devopts with sdi, see below). */
	341	if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
	342	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	343	drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
	344	return SR_OK;
	345	}
	346
	347	/* Every other key needs an sdi. */
	348	if (!sdi)
	349	return SR_ERR_ARG;
	350	devc = sdi->priv;
	351
	352	switch (key) {
	353	case SR_CONF_DEVICE_OPTIONS:
	354	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	355	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	356	break;
	357	case SR_CONF_VOLTAGE_TARGET:
	358	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	359	/* Min, max, step. */
	360	for (idx = 0; idx < 3; idx++) {
	361	if (idx == 1)
	362	dval = devc->voltage_max_device;
	363	else
	364	dval = devc->model->voltage[idx];
	365	gvar = g_variant_new_double(dval);
	366	g_variant_builder_add_value(&gvb, gvar);
	367	}
	368	*data = g_variant_builder_end(&gvb);
	369	break;
	370	case SR_CONF_CURRENT_LIMIT:
	371	g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
	372	/* Min, max, step. */
	373	for (idx = 0; idx < 3; idx++) {
	374	if (idx == 1)
	375	dval = devc->current_max_device;
	376	else
	377	dval = devc->model->current[idx];
	378	gvar = g_variant_new_double(dval);
	379	g_variant_builder_add_value(&gvb, gvar);
	380	}
	381	*data = g_variant_builder_end(&gvb);
	382	break;
	383	default:
	384	return SR_ERR_NA;
	385	}
	386
	387	return SR_OK;
	388	}
	389
	390	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	391	{
	392	struct dev_context *devc;
	393	struct sr_serial_dev_inst *serial;
	394
	395	if (sdi->status != SR_ST_ACTIVE)
	396	return SR_ERR_DEV_CLOSED;
	397
	398	devc = sdi->priv;
	399
	400	std_session_send_df_header(sdi, LOG_PREFIX);
	401
	402	devc->starttime = g_get_monotonic_time();
	403	devc->num_samples = 0;
	404	devc->reply_pending = FALSE;
	405	devc->req_sent_at = 0;
	406
	407	/* Poll every 10ms, or whenever some data comes in. */
	408	serial = sdi->conn;
	409	serial_source_add(sdi->session, serial, G_IO_IN, 10,
	410	hcs_receive_data, (void *)sdi);
	411
	412	return SR_OK;
	413	}
	414
	415	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	416	{
	417	return std_serial_dev_acquisition_stop(sdi,
	418	std_serial_dev_close, sdi->conn, LOG_PREFIX);
	419	}
	420
	421	SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
	422	.name = "manson-hcs-3xxx",
	423	.longname = "Manson HCS-3xxx",
	424	.api_version = 1,
	425	.init = init,
	426	.cleanup = cleanup,
	427	.scan = scan,
	428	.dev_list = dev_list,
	429	.dev_clear = dev_clear,
	430	.config_get = config_get,
	431	.config_set = config_set,
	432	.config_list = config_list,
	433	.dev_open = std_serial_dev_open,
	434	.dev_close = std_serial_dev_close,
	435	.dev_acquisition_start = dev_acquisition_start,
	436	.dev_acquisition_stop = dev_acquisition_stop,
	437	.context = NULL,
	438	};