[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;

	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
		return NULL;

	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
58d03f03	78	if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
4f958423	79	return NULL;
58d03f03	80
50276118	81	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
4f958423	82	return NULL;
4f958423	83
41298320	84	drvc = di->priv;
fb480d57 BV	85	b = buf;
fb480d57 BV	86	retry = 0;
41298320	87	devices = NULL;
fb480d57 BV	88	/* We'll try the discovery sequence three times in case the device
	89	* is not in an idle state when we send ID. */
	90	while (!devices && retry < 3) {
	91	retry++;
58d03f03	92	serial_flush(serial);
20401400	93	if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
50276118	94	sr_err("Unable to send ID string");
fb480d57 BV	95	continue;
fb480d57 BV	96	}
4f958423	97
fb480d57 BV	98	/* Response is first a CMD_ACK byte (ASCII '0' for OK,
	99	* or '1' to signify an error. */
	100	len = 128;
58d03f03	101	serial_readline(serial, &b, &len, 150);
fb480d57 BV	102	if (len != 1)
fb480d57 BV	103	continue;
41298320	104	if (buf[0] != '0')
fb480d57	105	continue;
4f958423	106
fb480d57 BV	107	/* If CMD_ACK was OK, ID string follows. */
fb480d57 BV	108	len = 128;
9fa09680	109	serial_readline(serial, &b, &len, 850);
fb480d57 BV	110	if (len < 10)
fb480d57 BV	111	continue;
9fa09680 BV	112	if (strcspn(buf, ",") < 15)
	113	/* Looks like it's comma-separated. */
	114	tokens = g_strsplit(buf, ",", 3);
	115	else
	116	/* Fluke 199B, at least, uses semicolon. */
	117	tokens = g_strsplit(buf, ";", 3);
fb480d57 BV	118	if (!strncmp("FLUKE", tokens[0], 5)
	119	&& tokens[1] && tokens[2]) {
	120	for (i = 0; supported_flukedmm[i].model; i++) {
	121	if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
	122	continue;
	123	/* Skip leading spaces in version number. */
	124	for (s = 0; tokens[1][s] == ' '; s++);
aac29cc1	125	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be UH	126	sdi->status = SR_ST_INACTIVE;
	127	sdi->vendor = g_strdup("Fluke");
	128	sdi->model = g_strdup(tokens[0] + 6);
	129	sdi->version = g_strdup(tokens[1] + s);
f57d8ffe	130	devc = g_malloc0(sizeof(struct dev_context));
fb480d57	131	devc->profile = &supported_flukedmm[i];
771bd216	132	sdi->inst_type = SR_INST_SERIAL;
919681f0	133	sdi->conn = serial;
fb480d57 BV	134	sdi->priv = devc;
fb480d57 BV	135	sdi->driver = di;
c368e6f3	136	ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1");
ba7dd8bb	137	sdi->channels = g_slist_append(sdi->channels, ch);
fb480d57 BV	138	drvc->instances = g_slist_append(drvc->instances, sdi);
	139	devices = g_slist_append(devices, sdi);
	140	break;
4f958423	141	}
4f958423	142	}
fb480d57	143	g_strfreev(tokens);
9fa09680 BV	144	if (devices)
	145	/* Found one. */
	146	break;
4f958423	147	}
58d03f03 BV	148	serial_close(serial);
	149	if (!devices)
	150	sr_serial_dev_inst_free(serial);
883a2e9e BV	151
	152	return devices;
	153	}
	154
6078d2c9	155	static GSList scan(GSList options)
41298320	156	{
1987b8d6	157	struct sr_config *src;
41298320	158	GSList l, devices;
9fa09680	159	int i;
41298320 BV	160	const char conn, serialcomm;
	161
	162	conn = serialcomm = NULL;
	163	for (l = options; l; l = l->next) {
1987b8d6 BV	164	src = l->data;
1987b8d6 BV	165	switch (src->key) {
1953564a	166	case SR_CONF_CONN:
70424328	167	conn = g_variant_get_string(src->data, NULL);
41298320	168	break;
1953564a	169	case SR_CONF_SERIALCOMM:
70424328	170	serialcomm = g_variant_get_string(src->data, NULL);
41298320 BV	171	break;
	172	}
	173	}
	174	if (!conn)
	175	return NULL;
	176
f4d0020e	177	devices = NULL;
41298320 BV	178	if (serialcomm) {
	179	/* Use the provided comm specs. */
	180	devices = fluke_scan(conn, serialcomm);
	181	} else {
9fa09680 BV	182	for (i = 0; scan_conn[i]; i++) {
	183	if ((devices = fluke_scan(conn, scan_conn[i])))
	184	break;
	185	/* The Scopemeter 199B, at least, requires this
	186	* after all the 115k/9.6k confusion. */
	187	g_usleep(5000);
	188	}
41298320 BV	189	}
	190
	191	return devices;
	192	}
	193
6078d2c9	194	static GSList *dev_list(void)
883a2e9e	195	{
0e94d524	196	return ((struct drv_context *)(di->priv))->instances;
883a2e9e BV	197	}
883a2e9e BV	198
6078d2c9	199	static int cleanup(void)
883a2e9e	200	{
a6630742	201	return std_dev_clear(di, NULL);
883a2e9e BV	202	}
883a2e9e BV	203
584560f1	204	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	205	const struct sr_channel_group *cg)
883a2e9e	206	{
d3f8f141	207	struct dev_context *devc;
883a2e9e	208
53b4680f	209	(void)cg;
8f996b89	210
883a2e9e	211	if (sdi->status != SR_ST_ACTIVE)
e73ffd42	212	return SR_ERR_DEV_CLOSED;
883a2e9e	213
d3f8f141	214	if (!(devc = sdi->priv)) {
31d84da3	215	sr_err("sdi->priv was NULL.");
d3f8f141 BV	216	return SR_ERR_BUG;
	217	}
	218
584560f1	219	switch (key) {
1953564a	220	case SR_CONF_LIMIT_MSEC:
d3f8f141	221	/* TODO: not yet implemented */
70424328	222	if (g_variant_get_uint64(data) == 0) {
31d84da3	223	sr_err("LIMIT_MSEC can't be 0.");
d3f8f141 BV	224	return SR_ERR;
d3f8f141 BV	225	}
70424328	226	devc->limit_msec = g_variant_get_uint64(data);
31d84da3	227	sr_dbg("Setting time limit to %" PRIu64 "ms.",
d3f8f141 BV	228	devc->limit_msec);
d3f8f141 BV	229	break;
1953564a	230	case SR_CONF_LIMIT_SAMPLES:
70424328	231	devc->limit_samples = g_variant_get_uint64(data);
31d84da3	232	sr_dbg("Setting sample limit to %" PRIu64 ".",
d3f8f141 BV	233	devc->limit_samples);
d3f8f141 BV	234	break;
883a2e9e	235	default:
bd6fbf62	236	return SR_ERR_NA;
883a2e9e BV	237	}
883a2e9e BV	238
d3f8f141	239	return SR_OK;
883a2e9e BV	240	}
883a2e9e BV	241
584560f1	242	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	243	const struct sr_channel_group *cg)
a1c743fc	244	{
a1c743fc	245	(void)sdi;
53b4680f	246	(void)cg;
a1c743fc BV	247
a1c743fc BV	248	switch (key) {
0d485e30	249	case SR_CONF_SCAN_OPTIONS:
584560f1	250	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41	251	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
0d485e30	252	break;
9a6517d1	253	case SR_CONF_DEVICE_OPTIONS:
584560f1	254	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	255	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	256	break;
a1c743fc	257	default:
bd6fbf62	258	return SR_ERR_NA;
a1c743fc BV	259	}
	260
	261	return SR_OK;
	262	}
	263
6078d2c9	264	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
883a2e9e	265	{
d3f8f141	266	struct dev_context *devc;
919681f0	267	struct sr_serial_dev_inst *serial;
d3f8f141	268
e73ffd42 BV	269	if (sdi->status != SR_ST_ACTIVE)
	270	return SR_ERR_DEV_CLOSED;
	271
d3f8f141	272	if (!(devc = sdi->priv)) {
31d84da3	273	sr_err("sdi->priv was NULL.");
d3f8f141 BV	274	return SR_ERR_BUG;
	275	}
	276
d3f8f141 BV	277	devc->cb_data = cb_data;
	278
	279	/* Send header packet to the session bus. */
29a27196	280	std_session_send_df_header(cb_data, LOG_PREFIX);
883a2e9e	281
d3f8f141	282	/* Poll every 100ms, or whenever some data comes in. */
919681f0	283	serial = sdi->conn;
102f1239 BV	284	serial_source_add(sdi->session, serial, G_IO_IN, 50,
102f1239 BV	285	fluke_receive_data, (void *)sdi);
d38d2ef0	286
20401400	287	if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
50276118	288	sr_err("Unable to send QM.");
d38d2ef0 BV	289	return SR_ERR;
	290	}
	291	devc->cmd_sent_at = g_get_monotonic_time() / 1000;
	292	devc->expect_response = TRUE;
883a2e9e BV	293
	294	return SR_OK;
	295	}
	296
6078d2c9	297	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
883a2e9e	298	{
d43b0908	299	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
f6beaac5	300	sdi->conn, LOG_PREFIX);
883a2e9e BV	301	}
883a2e9e BV	302
e7edd64f	303	SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
883a2e9e BV	304	.name = "fluke-dmm",
	305	.longname = "Fluke 18x/28x series DMMs",
	306	.api_version = 1,
6078d2c9 UH	307	.init = init,
	308	.cleanup = cleanup,
	309	.scan = scan,
	310	.dev_list = dev_list,
a6630742	311	.dev_clear = NULL,
6fab7b8f	312	.config_get = NULL,
035a1078	313	.config_set = config_set,
a1c743fc	314	.config_list = config_list,
854434de	315	.dev_open = std_serial_dev_open,
bf2c987f	316	.dev_close = std_serial_dev_close,
6078d2c9 UH	317	.dev_acquisition_start = dev_acquisition_start,
6078d2c9 UH	318	.dev_acquisition_stop = dev_acquisition_stop,
883a2e9e BV	319	.priv = NULL,
883a2e9e BV	320	};