[libsigrok.git] / src / hardware / fluke-dmm / api.c

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <glib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "fluke-dmm.h"

static const uint32_t scanopts[] = {
	SR_CONF_CONN,
	SR_CONF_SERIALCOMM,
};

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

SR_PRIV struct sr_dev_driver flukedmm_driver_info;
static struct sr_dev_driver *di = &flukedmm_driver_info;

static char *scan_conn[] = {
	/* 287/289 */
	"115200/8n1",
	/* 187/189 */
	"9600/8n1",
	/* Scopemeter 190 series */
	"1200/8n1",
	NULL
};

static const struct flukedmm_profile supported_flukedmm[] = {
	{ FLUKE_187, "187", 100, 1000 },
	{ FLUKE_189, "189", 100, 1000 },
	{ FLUKE_287, "287", 100, 1000 },
	{ FLUKE_190, "199B", 1000, 3500 },
};

static int init(struct sr_context *sr_ctx)
{
	return std_init(sr_ctx, di, LOG_PREFIX);
}

static GSList *fluke_scan(const char *conn, const char *serialcomm)
{
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_channel *ch;
	struct sr_serial_dev_inst *serial;
	GSList *devices;
	int retry, len, i, s;
	char buf[128], *b, **tokens;

	serial = sr_serial_dev_inst_new(conn, serialcomm);

	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
		return NULL;

	drvc = di->priv;
	b = buf;
	retry = 0;
	devices = NULL;
	/* We'll try the discovery sequence three times in case the device
	 * is not in an idle state when we send ID. */
	while (!devices && retry < 3) {
		retry++;
		serial_flush(serial);
		if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
			sr_err("Unable to send ID string");
			continue;
		}

		/* Response is first a CMD_ACK byte (ASCII '0' for OK,
		 * or '1' to signify an error. */
		len = 128;
		serial_readline(serial, &b, &len, 150);
		if (len != 1)
			continue;
		if (buf[0] != '0')
			continue;

		/* If CMD_ACK was OK, ID string follows. */
		len = 128;
		serial_readline(serial, &b, &len, 850);
		if (len < 10)
			continue;
		if (strcspn(buf, ",") < 15)
			/* Looks like it's comma-separated. */
			tokens = g_strsplit(buf, ",", 3);
		else
			/* Fluke 199B, at least, uses semicolon. */
			tokens = g_strsplit(buf, ";", 3);
		if (!strncmp("FLUKE", tokens[0], 5)
				&& tokens[1] && tokens[2]) {
			for (i = 0; supported_flukedmm[i].model; i++) {
				if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
					continue;
				/* Skip leading spaces in version number. */
				for (s = 0; tokens[1][s] == ' '; s++);
				sdi = g_malloc0(sizeof(struct sr_dev_inst));
				sdi->status = SR_ST_INACTIVE;
				sdi->vendor = g_strdup("Fluke");
				sdi->model = g_strdup(tokens[0] + 6);
				sdi->version = g_strdup(tokens[1] + s);
				devc = g_malloc0(sizeof(struct dev_context));
				devc->profile = &supported_flukedmm[i];
				sdi->inst_type = SR_INST_SERIAL;
				sdi->conn = serial;
				sdi->priv = devc;
				sdi->driver = di;
				ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
				sdi->channels = g_slist_append(sdi->channels, ch);
				drvc->instances = g_slist_append(drvc->instances, sdi);
				devices = g_slist_append(devices, sdi);
				break;
			}
		}
		g_strfreev(tokens);
		if (devices)
			/* Found one. */
			break;
	}
	serial_close(serial);
	if (!devices)
		sr_serial_dev_inst_free(serial);

	return devices;
}

static GSList *scan(GSList *options)
{
	struct sr_config *src;
	GSList *l, *devices;
	int i;
	const char *conn, *serialcomm;

	conn = serialcomm = 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;
		}
	}
	if (!conn)
		return NULL;

	devices = NULL;
	if (serialcomm) {
		/* Use the provided comm specs. */
		devices = fluke_scan(conn, serialcomm);
	} else {
		for (i = 0; scan_conn[i]; i++) {
			if ((devices = fluke_scan(conn, scan_conn[i])))
				break;
			/* The Scopemeter 199B, at least, requires this
			 * after all the 115k/9.6k confusion. */
			g_usleep(5000);
		}
	}

	return devices;
}

static GSList *dev_list(void)
{
	return ((struct drv_context *)(di->priv))->instances;
}

static int cleanup(void)
{
	return std_dev_clear(di, NULL);
}

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;

	(void)cg;

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

	if (!(devc = sdi->priv)) {
		sr_err("sdi->priv was NULL.");
		return SR_ERR_BUG;
	}

	switch (key) {
	case SR_CONF_LIMIT_MSEC:
		/* TODO: not yet implemented */
		if (g_variant_get_uint64(data) == 0) {
			sr_err("LIMIT_MSEC can't be 0.");
			return SR_ERR;
		}
		devc->limit_msec = g_variant_get_uint64(data);
		sr_dbg("Setting time limit to %" PRIu64 "ms.",
		       devc->limit_msec);
		break;
	case SR_CONF_LIMIT_SAMPLES:
		devc->limit_samples = g_variant_get_uint64(data);
		sr_dbg("Setting sample limit to %" PRIu64 ".",
		       devc->limit_samples);
		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)
{
	(void)sdi;
	(void)cg;

	switch (key) {
	case SR_CONF_SCAN_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
		break;
	case SR_CONF_DEVICE_OPTIONS:
		*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
				devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
		break;
	default:
		return SR_ERR_NA;
	}

	return SR_OK;
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

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

	if (!(devc = sdi->priv)) {
		sr_err("sdi->priv was NULL.");
		return SR_ERR_BUG;
	}

	devc->cb_data = cb_data;

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, LOG_PREFIX);

	/* Poll every 100ms, or whenever some data comes in. */
	serial = sdi->conn;
	serial_source_add(sdi->session, serial, G_IO_IN, 50,
			fluke_receive_data, (void *)sdi);

	if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
		sr_err("Unable to send QM.");
		return SR_ERR;
	}
	devc->cmd_sent_at = g_get_monotonic_time() / 1000;
	devc->expect_response = TRUE;

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
			sdi->conn, LOG_PREFIX);
}

SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
	.name = "fluke-dmm",
	.longname = "Fluke 18x/28x series DMMs",
	.api_version = 1,
	.init = init,
	.cleanup = cleanup,
	.scan = scan,
	.dev_list = dev_list,
	.dev_clear = NULL,
	.config_get = NULL,
	.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,
	.priv = NULL,
};
Commit	Line	Data
883a2e9e	1	/*
50985c20	2	* This file is part of the libsigrok project.
883a2e9e BV	3	*
	4	* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <glib.h>
4f958423 BV	21	#include <sys/types.h>
	22	#include <sys/stat.h>
	23	#include <fcntl.h>
	24	#include <string.h>
	25	#include <errno.h>
6f22a8ef UH	26	#include "libsigrok.h"
	27	#include "libsigrok-internal.h"
	28	#include "fluke-dmm.h"
883a2e9e	29
a0e0bb41	30	static const uint32_t scanopts[] = {
1953564a BV	31	SR_CONF_CONN,
1953564a BV	32	SR_CONF_SERIALCOMM,
d3f8f141 BV	33	};
d3f8f141 BV	34
f254bc4b	35	static const uint32_t devopts[] = {
1953564a	36	SR_CONF_MULTIMETER,
1953564a	37	SR_CONF_CONTINUOUS,
5827f61b BV	38	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
5827f61b BV	39	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
d3f8f141 BV	40	};
d3f8f141 BV	41
e7edd64f BV	42	SR_PRIV struct sr_dev_driver flukedmm_driver_info;
e7edd64f BV	43	static struct sr_dev_driver *di = &flukedmm_driver_info;
883a2e9e	44
9fa09680 BV	45	static char *scan_conn[] = {
	46	/* 287/289 */
	47	"115200/8n1",
	48	/* 187/189 */
	49	"9600/8n1",
	50	/* Scopemeter 190 series */
	51	"1200/8n1",
	52	NULL
	53	};
	54
4f958423	55	static const struct flukedmm_profile supported_flukedmm[] = {
d4b11de0	56	{ FLUKE_187, "187", 100, 1000 },
0bc3ab92	57	{ FLUKE_189, "189", 100, 1000 },
d4b11de0 BV	58	{ FLUKE_287, "287", 100, 1000 },
d4b11de0 BV	59	{ FLUKE_190, "199B", 1000, 3500 },
4f958423 BV	60	};
4f958423 BV	61
6078d2c9	62	static int init(struct sr_context *sr_ctx)
883a2e9e	63	{
f6beaac5	64	return std_init(sr_ctx, di, LOG_PREFIX);
883a2e9e BV	65	}
883a2e9e BV	66
41298320	67	static GSList fluke_scan(const char conn, const char *serialcomm)
883a2e9e	68	{
4f958423	69	struct sr_dev_inst *sdi;
883a2e9e	70	struct drv_context *drvc;
4f958423	71	struct dev_context *devc;
ba7dd8bb	72	struct sr_channel *ch;
58d03f03	73	struct sr_serial_dev_inst *serial;
41298320	74	GSList *devices;
58d03f03	75	int retry, len, i, s;
fb480d57	76	char buf[128], b, *tokens;
883a2e9e	77
91219afc	78	serial = sr_serial_dev_inst_new(conn, serialcomm);
58d03f03	79
50276118	80	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
4f958423	81	return NULL;
4f958423	82
41298320	83	drvc = di->priv;
fb480d57 BV	84	b = buf;
fb480d57 BV	85	retry = 0;
41298320	86	devices = NULL;
fb480d57 BV	87	/* We'll try the discovery sequence three times in case the device
	88	* is not in an idle state when we send ID. */
	89	while (!devices && retry < 3) {
	90	retry++;
58d03f03	91	serial_flush(serial);
20401400	92	if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
50276118	93	sr_err("Unable to send ID string");
fb480d57 BV	94	continue;
fb480d57 BV	95	}
4f958423	96
fb480d57 BV	97	/* Response is first a CMD_ACK byte (ASCII '0' for OK,
	98	* or '1' to signify an error. */
	99	len = 128;
58d03f03	100	serial_readline(serial, &b, &len, 150);
fb480d57 BV	101	if (len != 1)
fb480d57 BV	102	continue;
41298320	103	if (buf[0] != '0')
fb480d57	104	continue;
4f958423	105
fb480d57 BV	106	/* If CMD_ACK was OK, ID string follows. */
fb480d57 BV	107	len = 128;
9fa09680	108	serial_readline(serial, &b, &len, 850);
fb480d57 BV	109	if (len < 10)
fb480d57 BV	110	continue;
9fa09680 BV	111	if (strcspn(buf, ",") < 15)
	112	/* Looks like it's comma-separated. */
	113	tokens = g_strsplit(buf, ",", 3);
	114	else
	115	/* Fluke 199B, at least, uses semicolon. */
	116	tokens = g_strsplit(buf, ";", 3);
fb480d57 BV	117	if (!strncmp("FLUKE", tokens[0], 5)
	118	&& tokens[1] && tokens[2]) {
	119	for (i = 0; supported_flukedmm[i].model; i++) {
	120	if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
	121	continue;
	122	/* Skip leading spaces in version number. */
	123	for (s = 0; tokens[1][s] == ' '; s++);
aac29cc1	124	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	125	sdi->status = SR_ST_INACTIVE;
	126	sdi->vendor = g_strdup("Fluke");
	127	sdi->model = g_strdup(tokens[0] + 6);
	128	sdi->version = g_strdup(tokens[1] + s);
f57d8ffe	129	devc = g_malloc0(sizeof(struct dev_context));
fb480d57	130	devc->profile = &supported_flukedmm[i];
771bd216	131	sdi->inst_type = SR_INST_SERIAL;
919681f0	132	sdi->conn = serial;
fb480d57 BV	133	sdi->priv = devc;
fb480d57 BV	134	sdi->driver = di;
c368e6f3	135	ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
ba7dd8bb	136	sdi->channels = g_slist_append(sdi->channels, ch);
fb480d57 BV	137	drvc->instances = g_slist_append(drvc->instances, sdi);
	138	devices = g_slist_append(devices, sdi);
	139	break;
4f958423	140	}
4f958423	141	}
fb480d57	142	g_strfreev(tokens);
9fa09680 BV	143	if (devices)
	144	/* Found one. */
	145	break;
4f958423	146	}
58d03f03 BV	147	serial_close(serial);
	148	if (!devices)
	149	sr_serial_dev_inst_free(serial);
883a2e9e BV	150
	151	return devices;
	152	}
	153
6078d2c9	154	static GSList scan(GSList options)
41298320	155	{
1987b8d6	156	struct sr_config *src;
41298320	157	GSList l, devices;
9fa09680	158	int i;
41298320 BV	159	const char conn, serialcomm;
	160
	161	conn = serialcomm = NULL;
	162	for (l = options; l; l = l->next) {
1987b8d6 BV	163	src = l->data;
1987b8d6 BV	164	switch (src->key) {
1953564a	165	case SR_CONF_CONN:
70424328	166	conn = g_variant_get_string(src->data, NULL);
41298320	167	break;
1953564a	168	case SR_CONF_SERIALCOMM:
70424328	169	serialcomm = g_variant_get_string(src->data, NULL);
41298320 BV	170	break;
	171	}
	172	}
	173	if (!conn)
	174	return NULL;
	175
f4d0020e	176	devices = NULL;
41298320 BV	177	if (serialcomm) {
	178	/* Use the provided comm specs. */
	179	devices = fluke_scan(conn, serialcomm);
	180	} else {
9fa09680 BV	181	for (i = 0; scan_conn[i]; i++) {
	182	if ((devices = fluke_scan(conn, scan_conn[i])))
	183	break;
	184	/* The Scopemeter 199B, at least, requires this
	185	* after all the 115k/9.6k confusion. */
	186	g_usleep(5000);
	187	}
41298320 BV	188	}
	189
	190	return devices;
	191	}
	192
6078d2c9	193	static GSList *dev_list(void)
883a2e9e	194	{
0e94d524	195	return ((struct drv_context *)(di->priv))->instances;
883a2e9e BV	196	}
883a2e9e BV	197
6078d2c9	198	static int cleanup(void)
883a2e9e	199	{
a6630742	200	return std_dev_clear(di, NULL);
883a2e9e BV	201	}
883a2e9e BV	202
584560f1	203	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	204	const struct sr_channel_group *cg)
883a2e9e	205	{
d3f8f141	206	struct dev_context *devc;
883a2e9e	207
53b4680f	208	(void)cg;
8f996b89	209
883a2e9e	210	if (sdi->status != SR_ST_ACTIVE)
e73ffd42	211	return SR_ERR_DEV_CLOSED;
883a2e9e	212
d3f8f141	213	if (!(devc = sdi->priv)) {
31d84da3	214	sr_err("sdi->priv was NULL.");
d3f8f141 BV	215	return SR_ERR_BUG;
	216	}
	217
584560f1	218	switch (key) {
1953564a	219	case SR_CONF_LIMIT_MSEC:
d3f8f141	220	/* TODO: not yet implemented */
70424328	221	if (g_variant_get_uint64(data) == 0) {
31d84da3	222	sr_err("LIMIT_MSEC can't be 0.");
d3f8f141 BV	223	return SR_ERR;
d3f8f141 BV	224	}
70424328	225	devc->limit_msec = g_variant_get_uint64(data);
31d84da3	226	sr_dbg("Setting time limit to %" PRIu64 "ms.",
d3f8f141 BV	227	devc->limit_msec);
d3f8f141 BV	228	break;
1953564a	229	case SR_CONF_LIMIT_SAMPLES:
70424328	230	devc->limit_samples = g_variant_get_uint64(data);
31d84da3	231	sr_dbg("Setting sample limit to %" PRIu64 ".",
d3f8f141 BV	232	devc->limit_samples);
d3f8f141 BV	233	break;
883a2e9e	234	default:
bd6fbf62	235	return SR_ERR_NA;
883a2e9e BV	236	}
883a2e9e BV	237
d3f8f141	238	return SR_OK;
883a2e9e BV	239	}
883a2e9e BV	240
584560f1	241	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	242	const struct sr_channel_group *cg)
a1c743fc	243	{
a1c743fc	244	(void)sdi;
53b4680f	245	(void)cg;
a1c743fc BV	246
a1c743fc BV	247	switch (key) {
0d485e30	248	case SR_CONF_SCAN_OPTIONS:
584560f1	249	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41	250	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
0d485e30	251	break;
9a6517d1	252	case SR_CONF_DEVICE_OPTIONS:
584560f1	253	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	254	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	255	break;
a1c743fc	256	default:
bd6fbf62	257	return SR_ERR_NA;
a1c743fc BV	258	}
	259
	260	return SR_OK;
	261	}
	262
6078d2c9	263	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
883a2e9e	264	{
d3f8f141	265	struct dev_context *devc;
919681f0	266	struct sr_serial_dev_inst *serial;
d3f8f141	267
e73ffd42 BV	268	if (sdi->status != SR_ST_ACTIVE)
	269	return SR_ERR_DEV_CLOSED;
	270
d3f8f141	271	if (!(devc = sdi->priv)) {
31d84da3	272	sr_err("sdi->priv was NULL.");
d3f8f141 BV	273	return SR_ERR_BUG;
	274	}
	275
d3f8f141 BV	276	devc->cb_data = cb_data;
	277
	278	/* Send header packet to the session bus. */
29a27196	279	std_session_send_df_header(cb_data, LOG_PREFIX);
883a2e9e	280
d3f8f141	281	/* Poll every 100ms, or whenever some data comes in. */
919681f0	282	serial = sdi->conn;
102f1239 BV	283	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	284	fluke_receive_data, (void *)sdi);
d38d2ef0	285
20401400	286	if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
50276118	287	sr_err("Unable to send QM.");
d38d2ef0 BV	288	return SR_ERR;
	289	}
	290	devc->cmd_sent_at = g_get_monotonic_time() / 1000;
	291	devc->expect_response = TRUE;
883a2e9e BV	292
	293	return SR_OK;
	294	}
	295
6078d2c9	296	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
883a2e9e	297	{
d43b0908	298	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
f6beaac5	299	sdi->conn, LOG_PREFIX);
883a2e9e BV	300	}
883a2e9e BV	301
e7edd64f	302	SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
883a2e9e BV	303	.name = "fluke-dmm",
	304	.longname = "Fluke 18x/28x series DMMs",
	305	.api_version = 1,
6078d2c9 UH	306	.init = init,
	307	.cleanup = cleanup,
	308	.scan = scan,
	309	.dev_list = dev_list,
a6630742	310	.dev_clear = NULL,
6fab7b8f	311	.config_get = NULL,
035a1078	312	.config_set = config_set,
a1c743fc	313	.config_list = config_list,
854434de	314	.dev_open = std_serial_dev_open,
bf2c987f	315	.dev_close = std_serial_dev_close,
6078d2c9 UH	316	.dev_acquisition_start = dev_acquisition_start,
6078d2c9 UH	317	.dev_acquisition_stop = dev_acquisition_stop,
883a2e9e BV	318	.priv = NULL,
883a2e9e BV	319	};