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