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

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
 * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
 * Copyright (C) 2012 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 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 <config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <glib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#include "protocol.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,
};

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)
{
	struct dmm_info *dmm;
	struct sr_config *src;
	GSList *l, *devices;
	const char *conn, *serialcomm;
	struct sr_dev_inst *sdi;
	struct drv_context *drvc;
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;
	int dropped, ret;
	size_t len;
	uint8_t buf[128];

	dmm = (struct dmm_info *)di;

	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;

	if (!serialcomm)
		serialcomm = dmm->conn;

	serial = sr_serial_dev_inst_new(conn, serialcomm);

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

	sr_info("Probing serial port %s.", conn);

	drvc = di->context;
	devices = NULL;
	serial_flush(serial);

	/* Request a packet if the DMM requires this. */
	if (dmm->packet_request) {
		if ((ret = dmm->packet_request(serial)) < 0) {
			sr_err("Failed to request packet: %d.", ret);
			return FALSE;
		}
	}

	/*
	 * There's no way to get an ID from the multimeter. It just sends data
	 * periodically (or upon request), so the best we can do is check if
	 * the packets match the expected format.
	 */

	/* Let's get a bit of data and see if we can find a packet. */
	len = sizeof(buf);
	ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
				   dmm->packet_valid, 3000,
				   dmm->baudrate);
	if (ret != SR_OK)
		goto scan_cleanup;

	/*
	 * If we dropped more than two packets worth of data, something is
	 * wrong. We shouldn't quit however, since the dropped bytes might be
	 * just zeroes at the beginning of the stream. Those can occur as a
	 * combination of the nonstandard cable that ships with some devices
	 * and the serial port or USB to serial adapter.
	 */
	dropped = len - dmm->packet_size;
	if (dropped > 2 * dmm->packet_size)
		sr_warn("Had to drop too much data.");

	sr_info("Found device on port %s.", conn);

	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);
	devc = g_malloc0(sizeof(struct dev_context));
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->priv = devc;
	sdi->driver = di;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

scan_cleanup:
	serial_close(serial);

	return devices;
}

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

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_SAMPLES:
		devc->limit_samples = g_variant_get_uint64(data);
		break;
	case SR_CONF_LIMIT_MSEC:
		devc->limit_msec = g_variant_get_uint64(data);
		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)
{
	struct dev_context *devc;
	struct sr_serial_dev_inst *serial;

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

	devc = sdi->priv;

	/*
	 * Reset the number of samples to take. If we've already collected our
	 * quota, but we start a new session, and don't reset this, we'll just
	 * quit without acquiring any new samples.
	 */
	devc->num_samples = 0;
	devc->starttime = g_get_monotonic_time();

	std_session_send_df_header(sdi, LOG_PREFIX);

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

#define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
			DELAY, REQUEST, VALID, PARSE, DETAILS) \
	&(struct dmm_info) { \
		{ \
			.name = ID, \
			.longname = VENDOR " " MODEL, \
			.api_version = 1, \
			.init = init, \
			.cleanup = std_cleanup, \
			.scan = scan, \
			.dev_list = dev_list, \
			.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, \
			.context = NULL, \
		}, \
		VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
		REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	}

SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
	DMM(
		"bbcgm-2010", metex14,
		"BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
		BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
		sr_m2110_packet_valid, sr_m2110_parse,
		NULL
	),
	DMM(
		"digitek-dt4000zc", fs9721,
		"Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
		FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_10_temp_c
	),
	DMM(
		"tekpower-tp4000ZC", fs9721,
		"TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
		FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_10_temp_c
	),
	DMM(
		"metex-me31", metex14,
		"Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"peaktech-3410", metex14,
		"Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"mastech-mas345", metex14,
		"MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"mastech-ms8250b", fs9721,
		"MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL
	),
	DMM(
		"va-va18b", fs9721,
		"V&A", "VA18B", "2400/8n1", 2400,
		FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_01_temp_c
	),
	DMM(
		"va-va40b", fs9721,
		"V&A", "VA40B", "2400/8n1", 2400,
		FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_max_c_min
	),
	DMM(
		"metex-m3640d", metex14,
		"Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"metex-m4650cr", metex14,
		"Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"peaktech-4370", metex14,
		"PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"pce-pce-dm32", fs9721,
		"PCE", "PCE-DM32", "2400/8n1", 2400,
		FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_01_10_temp_f_c
	),
	DMM(
		"radioshack-22-168", metex14,
		"RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"radioshack-22-805", metex14,
		"RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"radioshack-22-812", rs9lcd,
		"RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
		RS9LCD_PACKET_SIZE, 0, 0, NULL,
		sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
		NULL
	),
	DMM(
		"tecpel-dmm-8061-ser", fs9721,
		"Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"voltcraft-m3650cr", metex14,
		"Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"voltcraft-m3650d", metex14,
		"Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"voltcraft-m4650cr", metex14,
		"Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
		METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"voltcraft-me42", metex14,
		"Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
		METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
		sr_metex14_packet_valid, sr_metex14_parse,
		NULL
	),
	DMM(
		"voltcraft-vc820-ser", fs9721,
		"Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL
	),
	DMM(
		/*
		 * 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-vc830-ser", fs9922,
		"Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9922_PACKET_SIZE, 0, 0, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse,
		&sr_fs9922_z1_diode
	),
	DMM(
		"voltcraft-vc840-ser", fs9721,
		"Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"voltcraft-vc870-ser", vc870,
		"Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
		9600, VC870_PACKET_SIZE, 0, 0, NULL,
		sr_vc870_packet_valid, sr_vc870_parse, NULL
	),
	DMM(
		"voltcraft-vc920-ser", ut71x,
		"Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"voltcraft-vc940-ser", ut71x,
		"Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"voltcraft-vc960-ser", ut71x, 
		"Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut60a-ser", fs9721,
		"UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		NULL
	),
	DMM(
		"uni-t-ut60e-ser", fs9721,
		"UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		/* Note: ES51986 baudrate is actually 19230! */
		"uni-t-ut60g-ser", es519xx,
		"UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
		19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
		NULL
	),
	DMM(
		"uni-t-ut61b-ser", fs9922,
		"UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9922_PACKET_SIZE, 0, 0, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	),
	DMM(
		"uni-t-ut61c-ser", fs9922,
		"UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9922_PACKET_SIZE, 0, 0, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	),
	DMM(
		"uni-t-ut61d-ser", fs9922,
		"UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9922_PACKET_SIZE, 0, 0, NULL,
		sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	),
	DMM(
		"uni-t-ut61e-ser", es519xx,
		/* Note: ES51922 baudrate is actually 19230! */
		"UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
		19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
		sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
		NULL
	),
	DMM(
		"uni-t-ut71a-ser", ut71x,
		"UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71b-ser", ut71x,
		"UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71c-ser", ut71x,
		"UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71d-ser", ut71x,
		"UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"uni-t-ut71e-ser", ut71x,
		"UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"iso-tech-idm103n", es519xx,
		"ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
		2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
		sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
		NULL
	),
	DMM(
		"tenma-72-7730-ser", ut71x,
		"Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-7732-ser", ut71x,
		"Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-9380a-ser", ut71x,
		"Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
		2400, UT71X_PACKET_SIZE, 0, 0, NULL,
		sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	),
	DMM(
		"tenma-72-7745-ser", fs9721,
		"Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
		2400, FS9721_PACKET_SIZE, 0, 0, NULL,
		sr_fs9721_packet_valid, sr_fs9721_parse,
		sr_fs9721_00_temp_c
	),
	DMM(
		"tenma-72-7750-ser", es519xx,
		/* Note: ES51986 baudrate is actually 19230! */
		"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
		19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
		sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
		NULL
	),
	DMM(
		"brymen-bm25x", bm25x,
		"Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
		9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
		sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
		NULL
	),
	DMM(
		"velleman-dvm4100", dtm0660,
		"Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
		2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
		sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	),
	DMM(
		"peaktech-3415", dtm0660,
		"Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
		2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
		sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	),
	NULL
};
Commit	Line	Data
	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
	5	* Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
	6	* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
	7	*
	8	* This program is free software: you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation, either version 3 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	20	*/
	21
	22	#include <config.h>
	23	#include <sys/types.h>
	24	#include <sys/stat.h>
	25	#include <fcntl.h>
	26	#include <string.h>
	27	#include <glib.h>
	28	#include <libsigrok/libsigrok.h>
	29	#include "libsigrok-internal.h"
	30	#include "protocol.h"
	31
	32	static const uint32_t scanopts[] = {
	33	SR_CONF_CONN,
	34	SR_CONF_SERIALCOMM,
	35	};
	36
	37	static const uint32_t devopts[] = {
	38	SR_CONF_MULTIMETER,
	39	SR_CONF_CONTINUOUS,
	40	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
	41	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
	42	};
	43
	44	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
	45	{
	46	return std_init(sr_ctx, di, LOG_PREFIX);
	47	}
	48
	49	static GSList scan(struct sr_dev_driver di, GSList *options)
	50	{
	51	struct dmm_info *dmm;
	52	struct sr_config *src;
	53	GSList l, devices;
	54	const char conn, serialcomm;
	55	struct sr_dev_inst *sdi;
	56	struct drv_context *drvc;
	57	struct dev_context *devc;
	58	struct sr_serial_dev_inst *serial;
	59	int dropped, ret;
	60	size_t len;
	61	uint8_t buf[128];
	62
	63	dmm = (struct dmm_info *)di;
	64
	65	conn = serialcomm = NULL;
	66	for (l = options; l; l = l->next) {
	67	src = l->data;
	68	switch (src->key) {
	69	case SR_CONF_CONN:
	70	conn = g_variant_get_string(src->data, NULL);
	71	break;
	72	case SR_CONF_SERIALCOMM:
	73	serialcomm = g_variant_get_string(src->data, NULL);
	74	break;
	75	}
	76	}
	77	if (!conn)
	78	return NULL;
	79
	80	if (!serialcomm)
	81	serialcomm = dmm->conn;
	82
	83	serial = sr_serial_dev_inst_new(conn, serialcomm);
	84
	85	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
	86	return NULL;
	87
	88	sr_info("Probing serial port %s.", conn);
	89
	90	drvc = di->context;
	91	devices = NULL;
	92	serial_flush(serial);
	93
	94	/* Request a packet if the DMM requires this. */
	95	if (dmm->packet_request) {
	96	if ((ret = dmm->packet_request(serial)) < 0) {
	97	sr_err("Failed to request packet: %d.", ret);
	98	return FALSE;
	99	}
	100	}
	101
	102	/*
	103	* There's no way to get an ID from the multimeter. It just sends data
	104	* periodically (or upon request), so the best we can do is check if
	105	* the packets match the expected format.
	106	*/
	107
	108	/* Let's get a bit of data and see if we can find a packet. */
	109	len = sizeof(buf);
	110	ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
	111	dmm->packet_valid, 3000,
	112	dmm->baudrate);
	113	if (ret != SR_OK)
	114	goto scan_cleanup;
	115
	116	/*
	117	* If we dropped more than two packets worth of data, something is
	118	* wrong. We shouldn't quit however, since the dropped bytes might be
	119	* just zeroes at the beginning of the stream. Those can occur as a
	120	* combination of the nonstandard cable that ships with some devices
	121	* and the serial port or USB to serial adapter.
	122	*/
	123	dropped = len - dmm->packet_size;
	124	if (dropped > 2 * dmm->packet_size)
	125	sr_warn("Had to drop too much data.");
	126
	127	sr_info("Found device on port %s.", conn);
	128
	129	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	130	sdi->status = SR_ST_INACTIVE;
	131	sdi->vendor = g_strdup(dmm->vendor);
	132	sdi->model = g_strdup(dmm->device);
	133	devc = g_malloc0(sizeof(struct dev_context));
	134	sdi->inst_type = SR_INST_SERIAL;
	135	sdi->conn = serial;
	136	sdi->priv = devc;
	137	sdi->driver = di;
	138	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	139	drvc->instances = g_slist_append(drvc->instances, sdi);
	140	devices = g_slist_append(devices, sdi);
	141
	142	scan_cleanup:
	143	serial_close(serial);
	144
	145	return devices;
	146	}
	147
	148	static GSList dev_list(const struct sr_dev_driver di)
	149	{
	150	return ((struct drv_context *)(di->context))->instances;
	151	}
	152
	153	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	154	const struct sr_channel_group *cg)
	155	{
	156	struct dev_context *devc;
	157
	158	(void)cg;
	159
	160	if (sdi->status != SR_ST_ACTIVE)
	161	return SR_ERR_DEV_CLOSED;
	162
	163	if (!(devc = sdi->priv)) {
	164	sr_err("sdi->priv was NULL.");
	165	return SR_ERR_BUG;
	166	}
	167
	168	switch (key) {
	169	case SR_CONF_LIMIT_SAMPLES:
	170	devc->limit_samples = g_variant_get_uint64(data);
	171	break;
	172	case SR_CONF_LIMIT_MSEC:
	173	devc->limit_msec = g_variant_get_uint64(data);
	174	break;
	175	default:
	176	return SR_ERR_NA;
	177	}
	178
	179	return SR_OK;
	180	}
	181
	182	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	183	const struct sr_channel_group *cg)
	184	{
	185	(void)sdi;
	186	(void)cg;
	187
	188	switch (key) {
	189	case SR_CONF_SCAN_OPTIONS:
	190	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	191	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	192	break;
	193	case SR_CONF_DEVICE_OPTIONS:
	194	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	195	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	196	break;
	197	default:
	198	return SR_ERR_NA;
	199	}
	200
	201	return SR_OK;
	202	}
	203
	204	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	205	{
	206	struct dev_context *devc;
	207	struct sr_serial_dev_inst *serial;
	208
	209	if (sdi->status != SR_ST_ACTIVE)
	210	return SR_ERR_DEV_CLOSED;
	211
	212	devc = sdi->priv;
	213
	214	/*
	215	* Reset the number of samples to take. If we've already collected our
	216	* quota, but we start a new session, and don't reset this, we'll just
	217	* quit without acquiring any new samples.
	218	*/
	219	devc->num_samples = 0;
	220	devc->starttime = g_get_monotonic_time();
	221
	222	std_session_send_df_header(sdi, LOG_PREFIX);
	223
	224	/* Poll every 50ms, or whenever some data comes in. */
	225	serial = sdi->conn;
	226	serial_source_add(sdi->session, serial, G_IO_IN, 50,
	227	receive_data, (void *)sdi);
	228
	229	return SR_OK;
	230	}
	231
	232	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	233	{
	234	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	235	sdi->conn, LOG_PREFIX);
	236	}
	237
	238	#define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
	239	DELAY, REQUEST, VALID, PARSE, DETAILS) \
	240	&(struct dmm_info) { \
	241	{ \
	242	.name = ID, \
	243	.longname = VENDOR " " MODEL, \
	244	.api_version = 1, \
	245	.init = init, \
	246	.cleanup = std_cleanup, \
	247	.scan = scan, \
	248	.dev_list = dev_list, \
	249	.config_get = NULL, \
	250	.config_set = config_set, \
	251	.config_list = config_list, \
	252	.dev_open = std_serial_dev_open, \
	253	.dev_close = std_serial_dev_close, \
	254	.dev_acquisition_start = dev_acquisition_start, \
	255	.dev_acquisition_stop = dev_acquisition_stop, \
	256	.context = NULL, \
	257	}, \
	258	VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
	259	REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	260	}
	261
	262	SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
	263	DMM(
	264	"bbcgm-2010", metex14,
	265	"BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
	266	BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
	267	sr_m2110_packet_valid, sr_m2110_parse,
	268	NULL
	269	),
	270	DMM(
	271	"digitek-dt4000zc", fs9721,
	272	"Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
	273	FS9721_PACKET_SIZE, 0, 0, NULL,
	274	sr_fs9721_packet_valid, sr_fs9721_parse,
	275	sr_fs9721_10_temp_c
	276	),
	277	DMM(
	278	"tekpower-tp4000ZC", fs9721,
	279	"TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
	280	FS9721_PACKET_SIZE, 0, 0, NULL,
	281	sr_fs9721_packet_valid, sr_fs9721_parse,
	282	sr_fs9721_10_temp_c
	283	),
	284	DMM(
	285	"metex-me31", metex14,
	286	"Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
	287	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	288	sr_metex14_packet_valid, sr_metex14_parse,
	289	NULL
	290	),
	291	DMM(
	292	"peaktech-3410", metex14,
	293	"Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
	294	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	295	sr_metex14_packet_valid, sr_metex14_parse,
	296	NULL
	297	),
	298	DMM(
	299	"mastech-mas345", metex14,
	300	"MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
	301	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	302	sr_metex14_packet_valid, sr_metex14_parse,
	303	NULL
	304	),
	305	DMM(
	306	"mastech-ms8250b", fs9721,
	307	"MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
	308	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	309	sr_fs9721_packet_valid, sr_fs9721_parse,
	310	NULL
	311	),
	312	DMM(
	313	"va-va18b", fs9721,
	314	"V&A", "VA18B", "2400/8n1", 2400,
	315	FS9721_PACKET_SIZE, 0, 0, NULL,
	316	sr_fs9721_packet_valid, sr_fs9721_parse,
	317	sr_fs9721_01_temp_c
	318	),
	319	DMM(
	320	"va-va40b", fs9721,
	321	"V&A", "VA40B", "2400/8n1", 2400,
	322	FS9721_PACKET_SIZE, 0, 0, NULL,
	323	sr_fs9721_packet_valid, sr_fs9721_parse,
	324	sr_fs9721_max_c_min
	325	),
	326	DMM(
	327	"metex-m3640d", metex14,
	328	"Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
	329	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	330	sr_metex14_packet_valid, sr_metex14_parse,
	331	NULL
	332	),
	333	DMM(
	334	"metex-m4650cr", metex14,
	335	"Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
	336	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	337	sr_metex14_packet_valid, sr_metex14_parse,
	338	NULL
	339	),
	340	DMM(
	341	"peaktech-4370", metex14,
	342	"PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
	343	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	344	sr_metex14_packet_valid, sr_metex14_parse,
	345	NULL
	346	),
	347	DMM(
	348	"pce-pce-dm32", fs9721,
	349	"PCE", "PCE-DM32", "2400/8n1", 2400,
	350	FS9721_PACKET_SIZE, 0, 0, NULL,
	351	sr_fs9721_packet_valid, sr_fs9721_parse,
	352	sr_fs9721_01_10_temp_f_c
	353	),
	354	DMM(
	355	"radioshack-22-168", metex14,
	356	"RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
	357	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	358	sr_metex14_packet_valid, sr_metex14_parse,
	359	NULL
	360	),
	361	DMM(
	362	"radioshack-22-805", metex14,
	363	"RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
	364	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	365	sr_metex14_packet_valid, sr_metex14_parse,
	366	NULL
	367	),
	368	DMM(
	369	"radioshack-22-812", rs9lcd,
	370	"RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
	371	RS9LCD_PACKET_SIZE, 0, 0, NULL,
	372	sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
	373	NULL
	374	),
	375	DMM(
	376	"tecpel-dmm-8061-ser", fs9721,
	377	"Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	378	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	379	sr_fs9721_packet_valid, sr_fs9721_parse,
	380	sr_fs9721_00_temp_c
	381	),
	382	DMM(
	383	"voltcraft-m3650cr", metex14,
	384	"Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
	385	METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
	386	sr_metex14_packet_valid, sr_metex14_parse,
	387	NULL
	388	),
	389	DMM(
	390	"voltcraft-m3650d", metex14,
	391	"Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
	392	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	393	sr_metex14_packet_valid, sr_metex14_parse,
	394	NULL
	395	),
	396	DMM(
	397	"voltcraft-m4650cr", metex14,
	398	"Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
	399	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	400	sr_metex14_packet_valid, sr_metex14_parse,
	401	NULL
	402	),
	403	DMM(
	404	"voltcraft-me42", metex14,
	405	"Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
	406	METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
	407	sr_metex14_packet_valid, sr_metex14_parse,
	408	NULL
	409	),
	410	DMM(
	411	"voltcraft-vc820-ser", fs9721,
	412	"Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	413	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	414	sr_fs9721_packet_valid, sr_fs9721_parse,
	415	NULL
	416	),
	417	DMM(
	418	/*
	419	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
	420	* the FS9922 protocol. Instead, it only sets the user-defined
	421	* bit "z1" to indicate "diode mode" and "voltage".
	422	*/
	423	"voltcraft-vc830-ser", fs9922,
	424	"Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	425	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	426	sr_fs9922_packet_valid, sr_fs9922_parse,
	427	&sr_fs9922_z1_diode
	428	),
	429	DMM(
	430	"voltcraft-vc840-ser", fs9721,
	431	"Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	432	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	433	sr_fs9721_packet_valid, sr_fs9721_parse,
	434	sr_fs9721_00_temp_c
	435	),
	436	DMM(
	437	"voltcraft-vc870-ser", vc870,
	438	"Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
	439	9600, VC870_PACKET_SIZE, 0, 0, NULL,
	440	sr_vc870_packet_valid, sr_vc870_parse, NULL
	441	),
	442	DMM(
	443	"voltcraft-vc920-ser", ut71x,
	444	"Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	445	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	446	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	447	),
	448	DMM(
	449	"voltcraft-vc940-ser", ut71x,
	450	"Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	451	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	452	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	453	),
	454	DMM(
	455	"voltcraft-vc960-ser", ut71x,
	456	"Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	457	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	458	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	459	),
	460	DMM(
	461	"uni-t-ut60a-ser", fs9721,
	462	"UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	463	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	464	sr_fs9721_packet_valid, sr_fs9721_parse,
	465	NULL
	466	),
	467	DMM(
	468	"uni-t-ut60e-ser", fs9721,
	469	"UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	470	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	471	sr_fs9721_packet_valid, sr_fs9721_parse,
	472	sr_fs9721_00_temp_c
	473	),
	474	DMM(
	475	/* Note: ES51986 baudrate is actually 19230! */
	476	"uni-t-ut60g-ser", es519xx,
	477	"UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	478	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	479	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	480	NULL
	481	),
	482	DMM(
	483	"uni-t-ut61b-ser", fs9922,
	484	"UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	485	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	486	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	487	),
	488	DMM(
	489	"uni-t-ut61c-ser", fs9922,
	490	"UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	491	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	492	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	493	),
	494	DMM(
	495	"uni-t-ut61d-ser", fs9922,
	496	"UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	497	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	498	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	499	),
	500	DMM(
	501	"uni-t-ut61e-ser", es519xx,
	502	/* Note: ES51922 baudrate is actually 19230! */
	503	"UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	504	19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
	505	sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
	506	NULL
	507	),
	508	DMM(
	509	"uni-t-ut71a-ser", ut71x,
	510	"UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	511	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	512	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	513	),
	514	DMM(
	515	"uni-t-ut71b-ser", ut71x,
	516	"UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	517	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	518	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	519	),
	520	DMM(
	521	"uni-t-ut71c-ser", ut71x,
	522	"UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	523	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	524	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	525	),
	526	DMM(
	527	"uni-t-ut71d-ser", ut71x,
	528	"UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	529	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	530	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	531	),
	532	DMM(
	533	"uni-t-ut71e-ser", ut71x,
	534	"UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	535	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	536	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	537	),
	538	DMM(
	539	"iso-tech-idm103n", es519xx,
	540	"ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
	541	2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	542	sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
	543	NULL
	544	),
	545	DMM(
	546	"tenma-72-7730-ser", ut71x,
	547	"Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	548	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	549	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	550	),
	551	DMM(
	552	"tenma-72-7732-ser", ut71x,
	553	"Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	554	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	555	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	556	),
	557	DMM(
	558	"tenma-72-9380a-ser", ut71x,
	559	"Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	560	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	561	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	562	),
	563	DMM(
	564	"tenma-72-7745-ser", fs9721,
	565	"Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	566	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	567	sr_fs9721_packet_valid, sr_fs9721_parse,
	568	sr_fs9721_00_temp_c
	569	),
	570	DMM(
	571	"tenma-72-7750-ser", es519xx,
	572	/* Note: ES51986 baudrate is actually 19230! */
	573	"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	574	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	575	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	576	NULL
	577	),
	578	DMM(
	579	"brymen-bm25x", bm25x,
	580	"Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
	581	9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
	582	sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
	583	NULL
	584	),
	585	DMM(
	586	"velleman-dvm4100", dtm0660,
	587	"Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
	588	2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
	589	sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	590	),
	591	DMM(
	592	"peaktech-3415", dtm0660,
	593	"Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
	594	2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
	595	sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	596	),
	597	NULL
	598	};