[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 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 = std_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 int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
	149	const struct sr_channel_group *cg)
	150	{
	151	struct dev_context *devc;
	152
	153	(void)cg;
	154
	155	if (sdi->status != SR_ST_ACTIVE)
	156	return SR_ERR_DEV_CLOSED;
	157
	158	if (!(devc = sdi->priv)) {
	159	sr_err("sdi->priv was NULL.");
	160	return SR_ERR_BUG;
	161	}
	162
	163	switch (key) {
	164	case SR_CONF_LIMIT_SAMPLES:
	165	devc->limit_samples = g_variant_get_uint64(data);
	166	break;
	167	case SR_CONF_LIMIT_MSEC:
	168	devc->limit_msec = g_variant_get_uint64(data);
	169	break;
	170	default:
	171	return SR_ERR_NA;
	172	}
	173
	174	return SR_OK;
	175	}
	176
	177	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
	178	const struct sr_channel_group *cg)
	179	{
	180	(void)sdi;
	181	(void)cg;
	182
	183	switch (key) {
	184	case SR_CONF_SCAN_OPTIONS:
	185	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	186	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
	187	break;
	188	case SR_CONF_DEVICE_OPTIONS:
	189	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
	190	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
	191	break;
	192	default:
	193	return SR_ERR_NA;
	194	}
	195
	196	return SR_OK;
	197	}
	198
	199	static int dev_acquisition_start(const struct sr_dev_inst *sdi)
	200	{
	201	struct dev_context *devc;
	202	struct sr_serial_dev_inst *serial;
	203
	204	if (sdi->status != SR_ST_ACTIVE)
	205	return SR_ERR_DEV_CLOSED;
	206
	207	devc = sdi->priv;
	208
	209	/*
	210	* Reset the number of samples to take. If we've already collected our
	211	* quota, but we start a new session, and don't reset this, we'll just
	212	* quit without acquiring any new samples.
	213	*/
	214	devc->num_samples = 0;
	215	devc->starttime = g_get_monotonic_time();
	216
	217	std_session_send_df_header(sdi, LOG_PREFIX);
	218
	219	/* Poll every 50ms, or whenever some data comes in. */
	220	serial = sdi->conn;
	221	serial_source_add(sdi->session, serial, G_IO_IN, 50,
	222	receive_data, (void *)sdi);
	223
	224	return SR_OK;
	225	}
	226
	227	static int dev_acquisition_stop(struct sr_dev_inst *sdi)
	228	{
	229	return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
	230	sdi->conn, LOG_PREFIX);
	231	}
	232
	233	#define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
	234	DELAY, REQUEST, VALID, PARSE, DETAILS) \
	235	&(struct dmm_info) { \
	236	{ \
	237	.name = ID, \
	238	.longname = VENDOR " " MODEL, \
	239	.api_version = 1, \
	240	.init = init, \
	241	.cleanup = std_cleanup, \
	242	.scan = scan, \
	243	.dev_list = std_dev_list, \
	244	.config_get = NULL, \
	245	.config_set = config_set, \
	246	.config_list = config_list, \
	247	.dev_open = std_serial_dev_open, \
	248	.dev_close = std_serial_dev_close, \
	249	.dev_acquisition_start = dev_acquisition_start, \
	250	.dev_acquisition_stop = dev_acquisition_stop, \
	251	.context = NULL, \
	252	}, \
	253	VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
	254	REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	255	}
	256
	257	SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
	258	DMM(
	259	"bbcgm-2010", metex14,
	260	"BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
	261	BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
	262	sr_m2110_packet_valid, sr_m2110_parse,
	263	NULL
	264	),
	265	DMM(
	266	"digitek-dt4000zc", fs9721,
	267	"Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
	268	FS9721_PACKET_SIZE, 0, 0, NULL,
	269	sr_fs9721_packet_valid, sr_fs9721_parse,
	270	sr_fs9721_10_temp_c
	271	),
	272	DMM(
	273	"tekpower-tp4000ZC", fs9721,
	274	"TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
	275	FS9721_PACKET_SIZE, 0, 0, NULL,
	276	sr_fs9721_packet_valid, sr_fs9721_parse,
	277	sr_fs9721_10_temp_c
	278	),
	279	DMM(
	280	"metex-me31", metex14,
	281	"Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
	282	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	283	sr_metex14_packet_valid, sr_metex14_parse,
	284	NULL
	285	),
	286	DMM(
	287	"peaktech-3410", metex14,
	288	"Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
	289	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	290	sr_metex14_packet_valid, sr_metex14_parse,
	291	NULL
	292	),
	293	DMM(
	294	"mastech-mas345", metex14,
	295	"MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
	296	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	297	sr_metex14_packet_valid, sr_metex14_parse,
	298	NULL
	299	),
	300	DMM(
	301	"mastech-ms8250b", fs9721,
	302	"MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
	303	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	304	sr_fs9721_packet_valid, sr_fs9721_parse,
	305	NULL
	306	),
	307	DMM(
	308	"va-va18b", fs9721,
	309	"V&A", "VA18B", "2400/8n1", 2400,
	310	FS9721_PACKET_SIZE, 0, 0, NULL,
	311	sr_fs9721_packet_valid, sr_fs9721_parse,
	312	sr_fs9721_01_temp_c
	313	),
	314	DMM(
	315	"va-va40b", fs9721,
	316	"V&A", "VA40B", "2400/8n1", 2400,
	317	FS9721_PACKET_SIZE, 0, 0, NULL,
	318	sr_fs9721_packet_valid, sr_fs9721_parse,
	319	sr_fs9721_max_c_min
	320	),
	321	DMM(
	322	"metex-m3640d", metex14,
	323	"Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
	324	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	325	sr_metex14_packet_valid, sr_metex14_parse,
	326	NULL
	327	),
	328	DMM(
	329	"metex-m4650cr", metex14,
	330	"Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
	331	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	332	sr_metex14_packet_valid, sr_metex14_parse,
	333	NULL
	334	),
	335	DMM(
	336	"peaktech-4370", metex14,
	337	"PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
	338	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	339	sr_metex14_packet_valid, sr_metex14_parse,
	340	NULL
	341	),
	342	DMM(
	343	"pce-pce-dm32", fs9721,
	344	"PCE", "PCE-DM32", "2400/8n1", 2400,
	345	FS9721_PACKET_SIZE, 0, 0, NULL,
	346	sr_fs9721_packet_valid, sr_fs9721_parse,
	347	sr_fs9721_01_10_temp_f_c
	348	),
	349	DMM(
	350	"radioshack-22-168", metex14,
	351	"RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
	352	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	353	sr_metex14_packet_valid, sr_metex14_parse,
	354	NULL
	355	),
	356	DMM(
	357	"radioshack-22-805", metex14,
	358	"RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
	359	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	360	sr_metex14_packet_valid, sr_metex14_parse,
	361	NULL
	362	),
	363	DMM(
	364	"radioshack-22-812", rs9lcd,
	365	"RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
	366	RS9LCD_PACKET_SIZE, 0, 0, NULL,
	367	sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
	368	NULL
	369	),
	370	DMM(
	371	"tecpel-dmm-8061-ser", fs9721,
	372	"Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	373	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	374	sr_fs9721_packet_valid, sr_fs9721_parse,
	375	sr_fs9721_00_temp_c
	376	),
	377	DMM(
	378	"voltcraft-m3650cr", metex14,
	379	"Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
	380	METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
	381	sr_metex14_packet_valid, sr_metex14_parse,
	382	NULL
	383	),
	384	DMM(
	385	"voltcraft-m3650d", metex14,
	386	"Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
	387	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	388	sr_metex14_packet_valid, sr_metex14_parse,
	389	NULL
	390	),
	391	DMM(
	392	"voltcraft-m4650cr", metex14,
	393	"Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
	394	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	395	sr_metex14_packet_valid, sr_metex14_parse,
	396	NULL
	397	),
	398	DMM(
	399	"voltcraft-me42", metex14,
	400	"Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
	401	METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
	402	sr_metex14_packet_valid, sr_metex14_parse,
	403	NULL
	404	),
	405	DMM(
	406	"voltcraft-vc820-ser", fs9721,
	407	"Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	408	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	409	sr_fs9721_packet_valid, sr_fs9721_parse,
	410	NULL
	411	),
	412	DMM(
	413	/*
	414	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
	415	* the FS9922 protocol. Instead, it only sets the user-defined
	416	* bit "z1" to indicate "diode mode" and "voltage".
	417	*/
	418	"voltcraft-vc830-ser", fs9922,
	419	"Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	420	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	421	sr_fs9922_packet_valid, sr_fs9922_parse,
	422	&sr_fs9922_z1_diode
	423	),
	424	DMM(
	425	"voltcraft-vc840-ser", fs9721,
	426	"Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	427	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	428	sr_fs9721_packet_valid, sr_fs9721_parse,
	429	sr_fs9721_00_temp_c
	430	),
	431	DMM(
	432	"voltcraft-vc870-ser", vc870,
	433	"Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
	434	9600, VC870_PACKET_SIZE, 0, 0, NULL,
	435	sr_vc870_packet_valid, sr_vc870_parse, NULL
	436	),
	437	DMM(
	438	"voltcraft-vc920-ser", ut71x,
	439	"Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	440	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	441	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	442	),
	443	DMM(
	444	"voltcraft-vc940-ser", ut71x,
	445	"Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	446	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	447	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	448	),
	449	DMM(
	450	"voltcraft-vc960-ser", ut71x,
	451	"Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	452	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	453	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	454	),
	455	DMM(
	456	"uni-t-ut60a-ser", fs9721,
	457	"UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	458	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	459	sr_fs9721_packet_valid, sr_fs9721_parse,
	460	NULL
	461	),
	462	DMM(
	463	"uni-t-ut60e-ser", fs9721,
	464	"UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	465	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	466	sr_fs9721_packet_valid, sr_fs9721_parse,
	467	sr_fs9721_00_temp_c
	468	),
	469	DMM(
	470	/* Note: ES51986 baudrate is actually 19230! */
	471	"uni-t-ut60g-ser", es519xx,
	472	"UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	473	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	474	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	475	NULL
	476	),
	477	DMM(
	478	"uni-t-ut61b-ser", fs9922,
	479	"UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	480	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	481	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	482	),
	483	DMM(
	484	"uni-t-ut61c-ser", fs9922,
	485	"UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	486	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	487	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	488	),
	489	DMM(
	490	"uni-t-ut61d-ser", fs9922,
	491	"UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	492	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
	493	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
	494	),
	495	DMM(
	496	"uni-t-ut61e-ser", es519xx,
	497	/* Note: ES51922 baudrate is actually 19230! */
	498	"UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	499	19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
	500	sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
	501	NULL
	502	),
	503	DMM(
	504	"uni-t-ut71a-ser", ut71x,
	505	"UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	506	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	507	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	508	),
	509	DMM(
	510	"uni-t-ut71b-ser", ut71x,
	511	"UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	512	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	513	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	514	),
	515	DMM(
	516	"uni-t-ut71c-ser", ut71x,
	517	"UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	518	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	519	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	520	),
	521	DMM(
	522	"uni-t-ut71d-ser", ut71x,
	523	"UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	524	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	525	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	526	),
	527	DMM(
	528	"uni-t-ut71e-ser", ut71x,
	529	"UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	530	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	531	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	532	),
	533	DMM(
	534	"iso-tech-idm103n", es519xx,
	535	"ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
	536	2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	537	sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
	538	NULL
	539	),
	540	DMM(
	541	"tenma-72-7730-ser", ut71x,
	542	"Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	543	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	544	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	545	),
	546	DMM(
	547	"tenma-72-7732-ser", ut71x,
	548	"Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	549	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	550	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	551	),
	552	DMM(
	553	"tenma-72-9380a-ser", ut71x,
	554	"Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
	555	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
	556	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
	557	),
	558	DMM(
	559	"tenma-72-7745-ser", fs9721,
	560	"Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
	561	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	562	sr_fs9721_packet_valid, sr_fs9721_parse,
	563	sr_fs9721_00_temp_c
	564	),
	565	DMM(
	566	"tenma-72-7750-ser", es519xx,
	567	/* Note: ES51986 baudrate is actually 19230! */
	568	"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
	569	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
	570	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
	571	NULL
	572	),
	573	DMM(
	574	"brymen-bm25x", bm25x,
	575	"Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
	576	9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
	577	sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
	578	NULL
	579	),
	580	DMM(
	581	"velleman-dvm4100", dtm0660,
	582	"Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
	583	2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
	584	sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	585	),
	586	DMM(
	587	"peaktech-3415", dtm0660,
	588	"Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
	589	2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
	590	sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
	591	),
	592	NULL
	593	};