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

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.h"

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

static const uint32_t drvopts[] = {
	SR_CONF_MULTIMETER,
};

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

/*
 * Note 1: The actual baudrate of the Cyrustek ES519xx chip used in this DMM
 * is 19230. However, the WCH CH9325 chip (UART to USB/HID) used in (some
 * versions of) the UNI-T UT-D04 cable doesn't support 19230 baud. It only
 * supports 19200, and setting an unsupported baudrate will result in the
 * default of 2400 being used (which will not work with this DMM, of course).
 */

static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
	GSList *usb_devices, *devices, *l;
	struct sr_dev_inst *sdi;
	struct dev_context *devc;
	struct drv_context *drvc;
	struct dmm_info *dmm;
	struct sr_usb_dev_inst *usb;
	struct sr_config *src;
	const char *conn;

	drvc = di->context;
	dmm = (struct dmm_info *)di;

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

	devices = NULL;
	if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
		g_slist_free_full(usb_devices, g_free);
		return NULL;
	}

	for (l = usb_devices; l; l = l->next) {
		usb = l->data;
		devc = g_malloc0(sizeof(struct dev_context));
		devc->first_run = TRUE;
		sdi = g_malloc0(sizeof(struct sr_dev_inst));
		sdi->status = SR_ST_INACTIVE;
		sdi->vendor = g_strdup(dmm->vendor);
		sdi->model = g_strdup(dmm->device);
		sdi->priv = devc;
		sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
		sdi->inst_type = SR_INST_USB;
		sdi->conn = usb;
		devices = g_slist_append(devices, sdi);
	}

	return std_scan_complete(di, devices);
}

static int dev_open(struct sr_dev_inst *sdi)
{
	struct sr_dev_driver *di;
	struct drv_context *drvc;
	struct sr_usb_dev_inst *usb;

	di = sdi->driver;
	drvc = di->context;
	usb = sdi->conn;

	return sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
}

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;

	devc = sdi->priv;

	return sr_sw_limits_config_set(&devc->limits, key, data);
}

static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
		const struct sr_channel_group *cg)
{
	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
}

static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
	struct dev_context *devc;

	devc = sdi->priv;

	sr_sw_limits_acquisition_start(&devc->limits);

	std_session_send_df_header(sdi);

	sr_session_source_add(sdi->session, -1, 0, 10 /* poll_timeout */,
			uni_t_dmm_receive_data, (void *)sdi);

	return SR_OK;
}

static int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
	std_session_send_df_end(sdi);
	sr_session_source_remove(sdi->session, -1);

	return SR_OK;
}

#define DMM(ID, CHIPSET, VENDOR, MODEL, BAUDRATE, PACKETSIZE, \
			VALID, PARSE, DETAILS) \
	&((struct dmm_info) { \
		{ \
			.name = ID, \
			.longname = VENDOR " " MODEL, \
			.api_version = 1, \
			.init = std_init, \
			.cleanup = std_cleanup, \
			.scan = scan, \
			.dev_list = std_dev_list, \
			.dev_clear = std_dev_clear, \
			.config_get = NULL, \
			.config_set = config_set, \
			.config_list = config_list, \
			.dev_open = dev_open, \
			.dev_close = std_dummy_dev_close /* TODO */, \
			.dev_acquisition_start = dev_acquisition_start, \
			.dev_acquisition_stop = dev_acquisition_stop, \
			.context = NULL, \
		}, \
		VENDOR, MODEL, BAUDRATE, PACKETSIZE, \
		VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	}).di

SR_REGISTER_DEV_DRIVER_LIST(uni_t_dmm_drivers,
	DMM(
		"tecpel-dmm-8061", fs9721,
		"Tecpel", "DMM-8061", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"uni-t-ut372", ut372,
		"UNI-T", "UT372", 2400,
		UT372_PACKET_SIZE,
		sr_ut372_packet_valid, sr_ut372_parse,
		NULL
	),
	DMM(
		"uni-t-ut60a", fs9721,
		"UNI-T", "UT60A", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL
	),
	DMM(
		"uni-t-ut60e", fs9721,
		"UNI-T", "UT60E", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"uni-t-ut60g", es519xx,
		/* The baudrate is actually 19230, see "Note 1" below. */
		"UNI-T", "UT60G", 19200,
		ES519XX_11B_PACKET_SIZE,
		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
		NULL
	),
	DMM(
		"uni-t-ut61b", fs9922,
		"UNI-T", "UT61B", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL
	),
	DMM(
		"uni-t-ut61c", fs9922,
		"UNI-T", "UT61C", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL
	),
	DMM(
		"uni-t-ut61d", fs9922,
		"UNI-T", "UT61D", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		NULL
	),
	DMM(
		"uni-t-ut61e", es519xx,
		/* The baudrate is actually 19230, see "Note 1" below. */
		"UNI-T", "UT61E", 19200,
		ES519XX_14B_PACKET_SIZE,
		sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
		NULL
	),
	DMM(
		"uni-t-ut71a", ut71x,
		"UNI-T", "UT71A", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71b", ut71x,
		"UNI-T", "UT71B", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71c", ut71x,
		"UNI-T", "UT71C", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71d", ut71x,
		"UNI-T", "UT71D", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71e", ut71x,
		"UNI-T", "UT71E", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"voltcraft-vc820", fs9721,
		"Voltcraft", "VC-820", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL
	),
	DMM(
		"voltcraft-vc830", fs9922,
		/*
		 * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
		 * the FS9922 protocol. Instead, it only sets the user-defined
		 * bit "z1" to indicate "diode mode" and "voltage".
		 */
		"Voltcraft", "VC-830", 2400,
		FS9922_PACKET_SIZE,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		&sr_fs9922_z1_diode
	),
	DMM(
		"voltcraft-vc840", fs9721,
		"Voltcraft", "VC-840", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"voltcraft-vc870", vc870,
		"Voltcraft", "VC-870", 9600, VC870_PACKET_SIZE,
		sr_vc870_packet_valid, sr_vc870_parse, NULL
	),
	DMM(
		"voltcraft-vc920", ut71x,
		"Voltcraft", "VC-920", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"voltcraft-vc940", ut71x,
		"Voltcraft", "VC-940", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"voltcraft-vc960", ut71x,
		"Voltcraft", "VC-960", 2400, UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-7730", ut71x,
		"Tenma", "72-7730", 2400,
		UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-7732", ut71x,
		"Tenma", "72-7732", 2400,
		UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-9380a", ut71x,
		"Tenma", "72-9380A", 2400,
		UT71X_PACKET_SIZE,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-7745", fs9721,
		"Tenma", "72-7745", 2400,
		FS9721_PACKET_SIZE,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"tenma-72-7750", es519xx,
		/* The baudrate is actually 19230, see "Note 1" below. */
		"Tenma", "72-7750", 19200,
		ES519XX_11B_PACKET_SIZE,
		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
		NULL
	),
);
Commit	Line	Data
79081ec8	1	/*
50985c20	2	* This file is part of the libsigrok project.
79081ec8	3	*
bc653a56	4	* Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
79081ec8 UH	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 2 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
2ea1fdf1	17	* along with this program; if not, see <http://www.gnu.org/licenses/>.
79081ec8 UH	18	*/
79081ec8 UH	19
6ec6c43b	20	#include <config.h>
79081ec8 UH	21	#include <stdlib.h>
79081ec8 UH	22	#include <string.h>
c1aae900	23	#include <libsigrok/libsigrok.h>
79081ec8 UH	24	#include "libsigrok-internal.h"
	25	#include "protocol.h"
	26
a0e0bb41	27	static const uint32_t scanopts[] = {
431ec7ca	28	SR_CONF_CONN,
73365eae UH	29	};
73365eae UH	30
05199c0a	31	static const uint32_t drvopts[] = {
1953564a	32	SR_CONF_MULTIMETER,
05199c0a UH	33	};
	34
	35	static const uint32_t devopts[] = {
1953564a	36	SR_CONF_CONTINUOUS,
8a63a406 LPC	37	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET \| SR_CONF_GET,
8a63a406 LPC	38	SR_CONF_LIMIT_MSEC \| SR_CONF_SET \| SR_CONF_GET,
79081ec8 UH	39	};
79081ec8 UH	40
d9e79c51 UH	41	/*
	42	* Note 1: The actual baudrate of the Cyrustek ES519xx chip used in this DMM
	43	* is 19230. However, the WCH CH9325 chip (UART to USB/HID) used in (some
	44	* versions of) the UNI-T UT-D04 cable doesn't support 19230 baud. It only
	45	* supports 19200, and setting an unsupported baudrate will result in the
	46	* default of 2400 being used (which will not work with this DMM, of course).
	47	*/
	48
f0540611	49	static GSList scan(struct sr_dev_driver di, GSList *options)
79081ec8	50	{
388f9d3e	51	GSList usb_devices, devices, *l;
79081ec8	52	struct sr_dev_inst *sdi;
41d9427f	53	struct dev_context *devc;
79081ec8	54	struct drv_context *drvc;
f0540611	55	struct dmm_info *dmm;
388f9d3e	56	struct sr_usb_dev_inst *usb;
431ec7ca	57	struct sr_config *src;
388f9d3e	58	const char *conn;
79081ec8	59
41812aca	60	drvc = di->context;
f0540611	61	dmm = (struct dmm_info *)di;
79081ec8	62
388f9d3e UH	63	conn = NULL;
388f9d3e UH	64	for (l = options; l; l = l->next) {
431ec7ca BV	65	src = l->data;
	66	switch (src->key) {
	67	case SR_CONF_CONN:
7d93a62e	68	conn = g_variant_get_string(src->data, NULL);
388f9d3e UH	69	break;
	70	}
	71	}
	72	if (!conn)
56e76981	73	return NULL;
41d9427f	74
388f9d3e UH	75	devices = NULL;
	76	if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) {
	77	g_slist_free_full(usb_devices, g_free);
79081ec8	78	return NULL;
388f9d3e	79	}
79081ec8	80
388f9d3e UH	81	for (l = usb_devices; l; l = l->next) {
388f9d3e UH	82	usb = l->data;
f57d8ffe	83	devc = g_malloc0(sizeof(struct dev_context));
bc653a56	84	devc->first_run = TRUE;
aac29cc1	85	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be	86	sdi->status = SR_ST_INACTIVE;
f0540611 ML	87	sdi->vendor = g_strdup(dmm->vendor);
f0540611 ML	88	sdi->model = g_strdup(dmm->device);
41d9427f	89	sdi->priv = devc;
5e23fcab	90	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
3ece1dff UH	91	sdi->inst_type = SR_INST_USB;
3ece1dff UH	92	sdi->conn = usb;
41d9427f	93	devices = g_slist_append(devices, sdi);
79081ec8 UH	94	}
79081ec8 UH	95
15a5bfe4	96	return std_scan_complete(di, devices);
79081ec8 UH	97	}
79081ec8 UH	98
f0540611	99	static int dev_open(struct sr_dev_inst *sdi)
79081ec8	100	{
f0540611	101	struct sr_dev_driver *di;
388f9d3e	102	struct drv_context *drvc;
3ece1dff	103	struct sr_usb_dev_inst *usb;
41d9427f	104
f0540611	105	di = sdi->driver;
41812aca	106	drvc = di->context;
3ece1dff	107	usb = sdi->conn;
41d9427f	108
7e463623	109	return sr_usb_open(drvc->sr_ctx->libusb_ctx, usb);
79081ec8 UH	110	}
79081ec8 UH	111
584560f1	112	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	113	const struct sr_channel_group *cg)
79081ec8 UH	114	{
	115	struct dev_context *devc;
	116
53b4680f	117	(void)cg;
8f996b89	118
79081ec8 UH	119	devc = sdi->priv;
79081ec8 UH	120
8a63a406	121	return sr_sw_limits_config_set(&devc->limits, key, data);
79081ec8 UH	122	}
79081ec8 UH	123
584560f1	124	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	125	const struct sr_channel_group *cg)
a1c743fc	126	{
05199c0a	127	return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
a1c743fc BV	128	}
a1c743fc BV	129
695dc859	130	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
79081ec8	131	{
79081ec8 UH	132	struct dev_context *devc;
	133
	134	devc = sdi->priv;
8a63a406 LPC	135
8a63a406 LPC	136	sr_sw_limits_acquisition_start(&devc->limits);
c5ffac41	137
bee2b016	138	std_session_send_df_header(sdi);
79081ec8	139
c650d3ec	140	sr_session_source_add(sdi->session, -1, 0, 10 /* poll_timeout */,
d9251a2c	141	uni_t_dmm_receive_data, (void *)sdi);
79081ec8 UH	142
	143	return SR_OK;
	144	}
	145
695dc859	146	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
79081ec8	147	{
bee2b016	148	std_session_send_df_end(sdi);
dd7a4a71	149	sr_session_source_remove(sdi->session, -1);
79081ec8 UH	150
	151	return SR_OK;
	152	}
	153
f0540611 ML	154	#define DMM(ID, CHIPSET, VENDOR, MODEL, BAUDRATE, PACKETSIZE, \
f0540611 ML	155	VALID, PARSE, DETAILS) \
d9251a2c	156	&((struct dmm_info) { \
f0540611 ML	157	{ \
	158	.name = ID, \
	159	.longname = VENDOR " " MODEL, \
	160	.api_version = 1, \
c2fdcc25	161	.init = std_init, \
700d6b64	162	.cleanup = std_cleanup, \
f0540611	163	.scan = scan, \
c01bf34c	164	.dev_list = std_dev_list, \
f778bf02	165	.dev_clear = std_dev_clear, \
f0540611 ML	166	.config_get = NULL, \
	167	.config_set = config_set, \
	168	.config_list = config_list, \
	169	.dev_open = dev_open, \
4d67b9d9	170	.dev_close = std_dummy_dev_close /* TODO */, \
f0540611 ML	171	.dev_acquisition_start = dev_acquisition_start, \
f0540611 ML	172	.dev_acquisition_stop = dev_acquisition_stop, \
41812aca	173	.context = NULL, \
f0540611 ML	174	}, \
	175	VENDOR, MODEL, BAUDRATE, PACKETSIZE, \
	176	VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
dd5c48a6	177	}).di
fdbcb86d	178
dd5c48a6	179	SR_REGISTER_DEV_DRIVER_LIST(uni_t_dmm_drivers,
f0540611 ML	180	DMM(
	181	"tecpel-dmm-8061", fs9721,
	182	"Tecpel", "DMM-8061", 2400,
	183	FS9721_PACKET_SIZE,
	184	sr_fs9721_packet_valid, sr_fs9721_parse,
	185	sr_fs9721_00_temp_c
	186	),
	187	DMM(
	188	"uni-t-ut372", ut372,
	189	"UNI-T", "UT372", 2400,
	190	UT372_PACKET_SIZE,
	191	sr_ut372_packet_valid, sr_ut372_parse,
	192	NULL
	193	),
	194	DMM(
	195	"uni-t-ut60a", fs9721,
	196	"UNI-T", "UT60A", 2400,
	197	FS9721_PACKET_SIZE,
	198	sr_fs9721_packet_valid, sr_fs9721_parse,
	199	NULL
	200	),
	201	DMM(
	202	"uni-t-ut60e", fs9721,
	203	"UNI-T", "UT60E", 2400,
	204	FS9721_PACKET_SIZE,
	205	sr_fs9721_packet_valid, sr_fs9721_parse,
	206	sr_fs9721_00_temp_c
	207	),
	208	DMM(
	209	"uni-t-ut60g", es519xx,
	210	/* The baudrate is actually 19230, see "Note 1" below. */
	211	"UNI-T", "UT60G", 19200,
	212	ES519XX_11B_PACKET_SIZE,
	213	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	214	NULL
	215	),
	216	DMM(
	217	"uni-t-ut61b", fs9922,
	218	"UNI-T", "UT61B", 2400,
	219	FS9922_PACKET_SIZE,
	220	sr_fs9922_packet_valid, sr_fs9922_parse,
	221	NULL
	222	),
	223	DMM(
	224	"uni-t-ut61c", fs9922,
	225	"UNI-T", "UT61C", 2400,
	226	FS9922_PACKET_SIZE,
	227	sr_fs9922_packet_valid, sr_fs9922_parse,
	228	NULL
	229	),
	230	DMM(
	231	"uni-t-ut61d", fs9922,
	232	"UNI-T", "UT61D", 2400,
	233	FS9922_PACKET_SIZE,
	234	sr_fs9922_packet_valid, sr_fs9922_parse,
	235	NULL
	236	),
	237	DMM(
	238	"uni-t-ut61e", es519xx,
	239	/* The baudrate is actually 19230, see "Note 1" below. */
	240	"UNI-T", "UT61E", 19200,
	241	ES519XX_14B_PACKET_SIZE,
	242	sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
	243	NULL
244	),
245	DMM(
246	"uni-t-ut71a", ut71x,
247	"UNI-T", "UT71A", 2400, UT71X_PACKET_SIZE,
248	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
249	),
250	DMM(
251	"uni-t-ut71b", ut71x,
252	"UNI-T", "UT71B", 2400, UT71X_PACKET_SIZE,
253	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
254	),
255	DMM(
256	"uni-t-ut71c", ut71x,
257	"UNI-T", "UT71C", 2400, UT71X_PACKET_SIZE,
258	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
259	),
260	DMM(
261	"uni-t-ut71d", ut71x,
262	"UNI-T", "UT71D", 2400, UT71X_PACKET_SIZE,
263	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
264	),
265	DMM(
266	"uni-t-ut71e", ut71x,
267	"UNI-T", "UT71E", 2400, UT71X_PACKET_SIZE,
268	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
269	),
270	DMM(
271	"voltcraft-vc820", fs9721,
272	"Voltcraft", "VC-820", 2400,
273	FS9721_PACKET_SIZE,
274	sr_fs9721_packet_valid, sr_fs9721_parse,
275	NULL
276	),
277	DMM(
278	"voltcraft-vc830", fs9922,
279	/*
280	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
281	* the FS9922 protocol. Instead, it only sets the user-defined
282	* bit "z1" to indicate "diode mode" and "voltage".
283	*/
284	"Voltcraft", "VC-830", 2400,
285	FS9922_PACKET_SIZE,
286	sr_fs9922_packet_valid, sr_fs9922_parse,
287	&sr_fs9922_z1_diode
288	),
289	DMM(
290	"voltcraft-vc840", fs9721,
291	"Voltcraft", "VC-840", 2400,
292	FS9721_PACKET_SIZE,
293	sr_fs9721_packet_valid, sr_fs9721_parse,
294	sr_fs9721_00_temp_c
295	),
296	DMM(
297	"voltcraft-vc870", vc870,
298	"Voltcraft", "VC-870", 9600, VC870_PACKET_SIZE,
299	sr_vc870_packet_valid, sr_vc870_parse, NULL
300	),
301	DMM(
302	"voltcraft-vc920", ut71x,
303	"Voltcraft", "VC-920", 2400, UT71X_PACKET_SIZE,
304	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
305	),
306	DMM(
307	"voltcraft-vc940", ut71x,
308	"Voltcraft", "VC-940", 2400, UT71X_PACKET_SIZE,
309	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
310	),
311	DMM(
312	"voltcraft-vc960", ut71x,
313	"Voltcraft", "VC-960", 2400, UT71X_PACKET_SIZE,
314	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
315	),
b1cadcfb KP	316	DMM(
	317	"tenma-72-7730", ut71x,
	318	"Tenma", "72-7730", 2400,
	319	UT71X_PACKET_SIZE,
	320	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	321	),
0a4549ff UH	322	DMM(
	323	"tenma-72-7732", ut71x,
	324	"Tenma", "72-7732", 2400,
	325	UT71X_PACKET_SIZE,
	326	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	327	),
20f9f1fb UH	328	DMM(
	329	"tenma-72-9380a", ut71x,
	330	"Tenma", "72-9380A", 2400,
	331	UT71X_PACKET_SIZE,
	332	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	333	),
f0540611	334	DMM(
decc1996	335	"tenma-72-7745", fs9721,
f0540611 ML	336	"Tenma", "72-7745", 2400,
	337	FS9721_PACKET_SIZE,
	338	sr_fs9721_packet_valid, sr_fs9721_parse,
	339	sr_fs9721_00_temp_c
	340	),
	341	DMM(
	342	"tenma-72-7750", es519xx,
	343	/* The baudrate is actually 19230, see "Note 1" below. */
	344	"Tenma", "72-7750", 19200,
	345	ES519XX_11B_PACKET_SIZE,
	346	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	347	NULL
	348	),
dd5c48a6	349	);