[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 <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <glib.h>
#include "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 dev_clear(const struct sr_dev_driver *di)
{
	return std_dev_clear(di, NULL);
}

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 dmm_info *) di;
	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];

	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->priv;
	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->priv))->instances;
}

static int cleanup(const struct sr_dev_driver *di)
{
	return dev_clear(di);
}

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);
		sr_dbg("Setting sample limit to %" PRIu64 ".",
		       devc->limit_samples);
		break;
	case SR_CONF_LIMIT_MSEC:
		devc->limit_msec = g_variant_get_uint64(data);
		sr_dbg("Setting time limit to %" PRIu64 "ms.",
		       devc->limit_msec);
		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;

	/*
	 * 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();

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, 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, void *cb_data)
{
	return std_serial_dev_acquisition_stop(sdi, cb_data, 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 = cleanup, \
			.scan = scan, \
			.dev_list = dev_list, \
			.dev_clear = dev_clear, \
			.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, \
		}, \
		VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
		REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	}

SR_PRIV 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-72-7745-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
	),
	NULL
};
Commit	Line	Data
7dc55d93	1	/*
50985c20	2	* This file is part of the libsigrok project.
7dc55d93 AG	3	*
	4	* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
	5	* Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
729b01f9	6	* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
7dc55d93 AG	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
7dc55d93 AG	22	#include <sys/types.h>
	23	#include <sys/stat.h>
	24	#include <fcntl.h>
	25	#include <string.h>
	26	#include <errno.h>
22f54192	27	#include <glib.h>
bbabddbd UH	28	#include "libsigrok.h"
	29	#include "libsigrok-internal.h"
	30	#include "protocol.h"
7dc55d93	31
a0e0bb41	32	static const uint32_t scanopts[] = {
1953564a BV	33	SR_CONF_CONN,
1953564a BV	34	SR_CONF_SERIALCOMM,
7dc55d93 AG	35	};
7dc55d93 AG	36
f254bc4b	37	static const uint32_t devopts[] = {
1953564a	38	SR_CONF_MULTIMETER,
1953564a	39	SR_CONF_CONTINUOUS,
5827f61b BV	40	SR_CONF_LIMIT_SAMPLES \| SR_CONF_SET,
5827f61b BV	41	SR_CONF_LIMIT_MSEC \| SR_CONF_SET,
7dc55d93 AG	42	};
7dc55d93 AG	43
bcbef5ed	44	static int dev_clear(const struct sr_dev_driver *di)
7dc55d93	45	{
bcbef5ed	46	return std_dev_clear(di, NULL);
7dc55d93 AG	47	}
7dc55d93 AG	48
bcbef5ed	49	static int init(struct sr_dev_driver di, struct sr_context sr_ctx)
7dc55d93	50	{
bcbef5ed	51	return std_init(sr_ctx, di, LOG_PREFIX);
7dc55d93 AG	52	}
7dc55d93 AG	53
bcbef5ed	54	static GSList scan(struct sr_dev_driver di, GSList *options)
7dc55d93	55	{
bcbef5ed ML	56	struct dmm_info dmm = (struct dmm_info ) di;
	57	struct sr_config *src;
	58	GSList l, devices;
	59	const char conn, serialcomm;
7dc55d93 AG	60	struct sr_dev_inst *sdi;
	61	struct drv_context *drvc;
	62	struct dev_context *devc;
d35afa87	63	struct sr_serial_dev_inst *serial;
2546b05c AG	64	int dropped, ret;
	65	size_t len;
	66	uint8_t buf[128];
7dc55d93	67
bcbef5ed ML	68	conn = serialcomm = NULL;
	69	for (l = options; l; l = l->next) {
	70	src = l->data;
	71	switch (src->key) {
	72	case SR_CONF_CONN:
	73	conn = g_variant_get_string(src->data, NULL);
	74	break;
	75	case SR_CONF_SERIALCOMM:
	76	serialcomm = g_variant_get_string(src->data, NULL);
	77	break;
	78	}
	79	}
	80	if (!conn)
	81	return NULL;
	82
	83	if (!serialcomm)
	84	serialcomm = dmm->conn;
	85
91219afc	86	serial = sr_serial_dev_inst_new(conn, serialcomm);
d35afa87	87
2e360339	88	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
7dc55d93	89	return NULL;
7dc55d93	90
22f54192	91	sr_info("Probing serial port %s.", conn);
7dc55d93	92
bcbef5ed	93	drvc = di->priv;
7dc55d93	94	devices = NULL;
d35afa87	95	serial_flush(serial);
bbabddbd	96
ce3777ad	97	/* Request a packet if the DMM requires this. */
bcbef5ed ML	98	if (dmm->packet_request) {
bcbef5ed ML	99	if ((ret = dmm->packet_request(serial)) < 0) {
ce3777ad UH	100	sr_err("Failed to request packet: %d.", ret);
	101	return FALSE;
	102	}
	103	}
	104
22f54192 UH	105	/*
	106	* There's no way to get an ID from the multimeter. It just sends data
	107	* periodically (or upon request), so the best we can do is check if
	108	* the packets match the expected format.
	109	*/
	110
	111	/* Let's get a bit of data and see if we can find a packet. */
	112	len = sizeof(buf);
bcbef5ed ML	113	ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
	114	dmm->packet_valid, 3000,
	115	dmm->baudrate);
2546b05c AG	116	if (ret != SR_OK)
2546b05c AG	117	goto scan_cleanup;
7dc55d93	118
2546b05c AG	119	/*
	120	* If we dropped more than two packets worth of data, something is
	121	* wrong. We shouldn't quit however, since the dropped bytes might be
	122	* just zeroes at the beginning of the stream. Those can occur as a
22f54192 UH	123	* combination of the nonstandard cable that ships with some devices
22f54192 UH	124	* and the serial port or USB to serial adapter.
2546b05c	125	*/
bcbef5ed ML	126	dropped = len - dmm->packet_size;
bcbef5ed ML	127	if (dropped > 2 * dmm->packet_size)
6bef68a7	128	sr_warn("Had to drop too much data.");
7dc55d93	129
2546b05c	130	sr_info("Found device on port %s.", conn);
7dc55d93	131
aac29cc1	132	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be	133	sdi->status = SR_ST_INACTIVE;
bcbef5ed ML	134	sdi->vendor = g_strdup(dmm->vendor);
bcbef5ed ML	135	sdi->model = g_strdup(dmm->device);
f57d8ffe	136	devc = g_malloc0(sizeof(struct dev_context));
1e1bfcd0 UH	137	sdi->inst_type = SR_INST_SERIAL;
1e1bfcd0 UH	138	sdi->conn = serial;
2546b05c	139	sdi->priv = devc;
bcbef5ed	140	sdi->driver = di;
5e23fcab	141	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
2546b05c AG	142	drvc->instances = g_slist_append(drvc->instances, sdi);
	143	devices = g_slist_append(devices, sdi);
	144
	145	scan_cleanup:
d35afa87	146	serial_close(serial);
2546b05c	147
7dc55d93 AG	148	return devices;
	149	}
	150
bcbef5ed	151	static GSList dev_list(const struct sr_dev_driver di)
7dc55d93	152	{
bcbef5ed	153	return ((struct drv_context *)(di->priv))->instances;
7dc55d93 AG	154	}
7dc55d93 AG	155
bcbef5ed	156	static int cleanup(const struct sr_dev_driver *di)
7dc55d93	157	{
bcbef5ed	158	return dev_clear(di);
7dc55d93 AG	159	}
7dc55d93 AG	160
584560f1	161	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	162	const struct sr_channel_group *cg)
7dc55d93 AG	163	{
	164	struct dev_context *devc;
	165
53b4680f	166	(void)cg;
8f996b89	167
7dc55d93	168	if (sdi->status != SR_ST_ACTIVE)
e73ffd42	169	return SR_ERR_DEV_CLOSED;
7dc55d93 AG	170
	171	if (!(devc = sdi->priv)) {
	172	sr_err("sdi->priv was NULL.");
	173	return SR_ERR_BUG;
	174	}
	175
584560f1	176	switch (key) {
1953564a	177	case SR_CONF_LIMIT_SAMPLES:
ede25f4e	178	devc->limit_samples = g_variant_get_uint64(data);
7dc55d93 AG	179	sr_dbg("Setting sample limit to %" PRIu64 ".",
	180	devc->limit_samples);
	181	break;
1953564a	182	case SR_CONF_LIMIT_MSEC:
ede25f4e	183	devc->limit_msec = g_variant_get_uint64(data);
f9b9bd63 AG	184	sr_dbg("Setting time limit to %" PRIu64 "ms.",
	185	devc->limit_msec);
	186	break;
7dc55d93	187	default:
bd6fbf62	188	return SR_ERR_NA;
7dc55d93 AG	189	}
	190
	191	return SR_OK;
	192	}
	193
584560f1	194	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	195	const struct sr_channel_group *cg)
a1c743fc	196	{
a1c743fc	197	(void)sdi;
53b4680f	198	(void)cg;
a1c743fc BV	199
a1c743fc BV	200	switch (key) {
0d485e30	201	case SR_CONF_SCAN_OPTIONS:
584560f1	202	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41	203	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
0d485e30	204	break;
9a6517d1	205	case SR_CONF_DEVICE_OPTIONS:
584560f1	206	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	207	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	208	break;
a1c743fc	209	default:
bd6fbf62	210	return SR_ERR_NA;
a1c743fc BV	211	}
	212
	213	return SR_OK;
	214	}
	215
bcbef5ed	216	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
7dc55d93	217	{
7dc55d93	218	struct dev_context *devc;
1e1bfcd0	219	struct sr_serial_dev_inst *serial;
7dc55d93	220
e73ffd42 BV	221	if (sdi->status != SR_ST_ACTIVE)
	222	return SR_ERR_DEV_CLOSED;
	223
7dc55d93 AG	224	if (!(devc = sdi->priv)) {
	225	sr_err("sdi->priv was NULL.");
	226	return SR_ERR_BUG;
	227	}
	228
7dc55d93 AG	229	devc->cb_data = cb_data;
7dc55d93 AG	230
bbabddbd UH	231	/*
bbabddbd UH	232	* Reset the number of samples to take. If we've already collected our
7dc55d93	233	* quota, but we start a new session, and don't reset this, we'll just
bbabddbd UH	234	* quit without acquiring any new samples.
bbabddbd UH	235	*/
7dc55d93	236	devc->num_samples = 0;
f9b9bd63	237	devc->starttime = g_get_monotonic_time();
7dc55d93 AG	238
7dc55d93 AG	239	/* Send header packet to the session bus. */
29a27196	240	std_session_send_df_header(cb_data, LOG_PREFIX);
7dc55d93	241
bbabddbd	242	/* Poll every 50ms, or whenever some data comes in. */
1e1bfcd0	243	serial = sdi->conn;
102f1239	244	serial_source_add(sdi->session, serial, G_IO_IN, 50,
bcbef5ed	245	receive_data, (void *)sdi);
7dc55d93 AG	246
	247	return SR_OK;
	248	}
	249
6078d2c9	250	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
7dc55d93	251	{
d43b0908 BV	252	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
d43b0908 BV	253	sdi->conn, LOG_PREFIX);
7dc55d93 AG	254	}
7dc55d93 AG	255
bcbef5ed ML	256	#define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
	257	DELAY, REQUEST, VALID, PARSE, DETAILS) \
	258	&(struct dmm_info) { \
	259	{ \
	260	.name = ID, \
	261	.longname = VENDOR " " MODEL, \
	262	.api_version = 1, \
	263	.init = init, \
	264	.cleanup = cleanup, \
	265	.scan = scan, \
	266	.dev_list = dev_list, \
	267	.dev_clear = dev_clear, \
	268	.config_get = NULL, \
	269	.config_set = config_set, \
	270	.config_list = config_list, \
	271	.dev_open = std_serial_dev_open, \
	272	.dev_close = std_serial_dev_close, \
	273	.dev_acquisition_start = dev_acquisition_start, \
	274	.dev_acquisition_stop = dev_acquisition_stop, \
	275	.priv = NULL, \
	276	}, \
	277	VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
	278	REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	279	}
3098b390	280
bcbef5ed ML	281	SR_PRIV struct dmm_info *serial_dmm_drivers[] = {
	282	DMM(
	283	"bbcgm-2010", metex14,
	284	"BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
	285	BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
	286	sr_m2110_packet_valid, sr_m2110_parse,
	287	NULL
	288	),
	289	DMM(
	290	"digitek-dt4000zc", fs9721,
	291	"Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
	292	FS9721_PACKET_SIZE, 0, 0, NULL,
	293	sr_fs9721_packet_valid, sr_fs9721_parse,
	294	sr_fs9721_10_temp_c
	295	),
	296	DMM(
	297	"tekpower-tp4000ZC", fs9721,
	298	"TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
	299	FS9721_PACKET_SIZE, 0, 0, NULL,
	300	sr_fs9721_packet_valid, sr_fs9721_parse,
	301	sr_fs9721_10_temp_c
	302	),
	303	DMM(
	304	"metex-me31", metex14,
	305	"Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
	306	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	307	sr_metex14_packet_valid, sr_metex14_parse,
	308	NULL
	309	),
	310	DMM(
	311	"peaktech-3410", metex14,
	312	"Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
	313	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	314	sr_metex14_packet_valid, sr_metex14_parse,
	315	NULL
	316	),
	317	DMM(
	318	"mastech-mas345", metex14,
	319	"MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
	320	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	321	sr_metex14_packet_valid, sr_metex14_parse,
	322	NULL
	323	),
	324	DMM(
	325	"mastech-ms8250b", fs9721,
	326	"MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
	327	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	328	sr_fs9721_packet_valid, sr_fs9721_parse,
	329	NULL
	330	),
	331	DMM(
	332	"va-va18b", fs9721,
	333	"V&A", "VA18B", "2400/8n1", 2400,
	334	FS9721_PACKET_SIZE, 0, 0, NULL,
	335	sr_fs9721_packet_valid, sr_fs9721_parse,
	336	sr_fs9721_01_temp_c
	337	),
	338	DMM(
	339	"va-va40b", fs9721,
	340	"V&A", "VA40B", "2400/8n1", 2400,
	341	FS9721_PACKET_SIZE, 0, 0, NULL,
	342	sr_fs9721_packet_valid, sr_fs9721_parse,
	343	sr_fs9721_max_c_min
	344	),
345	DMM(
346	"metex-m3640d", metex14,
347	"Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
348	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
349	sr_metex14_packet_valid, sr_metex14_parse,
350	NULL
351	),
352	DMM(
353	"metex-m4650cr", metex14,
354	"Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
355	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
356	sr_metex14_packet_valid, sr_metex14_parse,
357	NULL
358	),
359	DMM(
360	"peaktech-4370", metex14,
361	"PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
362	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
363	sr_metex14_packet_valid, sr_metex14_parse,
364	NULL
365	),
366	DMM(
367	"pce-pce-dm32", fs9721,
368	"PCE", "PCE-DM32", "2400/8n1", 2400,
369	FS9721_PACKET_SIZE, 0, 0, NULL,
370	sr_fs9721_packet_valid, sr_fs9721_parse,
371	sr_fs9721_01_10_temp_f_c
372	),
373	DMM(
374	"radioshack-22-168", metex14,
375	"RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
376	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
377	sr_metex14_packet_valid, sr_metex14_parse,
378	NULL
379	),
380	DMM(
381	"radioshack-22-805", metex14,
382	"RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
383	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
384	sr_metex14_packet_valid, sr_metex14_parse,
385	NULL
386	),
387	DMM(
388	"radioshack-22-812", rs9lcd,
389	"RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
390	RS9LCD_PACKET_SIZE, 0, 0, NULL,
391	sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
392	NULL
393	),
394	DMM(
395	"tecpel-dmm-8061-ser", fs9721,
396	"Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
397	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
398	sr_fs9721_packet_valid, sr_fs9721_parse,
399	sr_fs9721_00_temp_c
400	),
401	DMM(
402	"voltcraft-m3650cr", metex14,
403	"Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
404	METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
405	sr_metex14_packet_valid, sr_metex14_parse,
406	NULL
407	),
408	DMM(
409	"voltcraft-m3650d", metex14,
410	"Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
411	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
412	sr_metex14_packet_valid, sr_metex14_parse,
413	NULL
414	),
415	DMM(
416	"voltcraft-m4650cr", metex14,
417	"Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
418	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
419	sr_metex14_packet_valid, sr_metex14_parse,
420	NULL
421	),
422	DMM(
423	"voltcraft-me42", metex14,
424	"Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
425	METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
426	sr_metex14_packet_valid, sr_metex14_parse,
427	NULL
428	),
429	DMM(
430	"voltcraft-vc820-ser", fs9721,
431	"Voltcraft", "VC-820 (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	NULL
435	),
436	DMM(
437	/*
438	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
439	* the FS9922 protocol. Instead, it only sets the user-defined
440	* bit "z1" to indicate "diode mode" and "voltage".
441	*/
442	"voltcraft-vc830-ser", fs9922,
443	"Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
444	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
445	sr_fs9922_packet_valid, sr_fs9922_parse,
446	&sr_fs9922_z1_diode
447	),
448	DMM(
449	"voltcraft-vc840-ser", fs9721,
450	"Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
451	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
452	sr_fs9721_packet_valid, sr_fs9721_parse,
453	sr_fs9721_00_temp_c
454	),
455	DMM(
456	"voltcraft-vc870-ser", vc870,
457	"Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
458	9600, VC870_PACKET_SIZE, 0, 0, NULL,
459	sr_vc870_packet_valid, sr_vc870_parse, NULL
460	),
461	DMM(
462	"voltcraft-vc920-ser", ut71x,
463	"Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
464	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
465	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
466	),
467	DMM(
468	"voltcraft-vc940-ser", ut71x,
469	"Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
470	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
471	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
472	),
473	DMM(
474	"voltcraft-vc960-ser", ut71x,
475	"Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
476	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
477	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
478	),
479	DMM(
480	"uni-t-ut60a-ser", fs9721,
481	"UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
482	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
483	sr_fs9721_packet_valid, sr_fs9721_parse,
484	NULL
485	),
486	DMM(
487	"uni-t-ut60e-ser", fs9721,
488	"UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
489	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
490	sr_fs9721_packet_valid, sr_fs9721_parse,
491	sr_fs9721_00_temp_c
492	),
493	DMM(
494	/* Note: ES51986 baudrate is actually 19230! */
495	"uni-t-ut60g-ser", es519xx,
496	"UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
497	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
498	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
499	NULL
500	),
501	DMM(
502	"uni-t-ut61b-ser", fs9922,
503	"UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
504	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
505	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
506	),
507	DMM(
508	"uni-t-ut61c-ser", fs9922,
509	"UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
510	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
511	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
512	),
513	DMM(
514	"uni-t-ut61d-ser", fs9922,
515	"UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
516	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
517	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
518	),
519	DMM(
520	"uni-t-ut61e-ser", es519xx,
521	/* Note: ES51922 baudrate is actually 19230! */
522	"UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
523	19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
524	sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
525	NULL
526	),
527	DMM(
528	"uni-t-ut71a-ser", ut71x,
529	"UNI-T", "UT71A (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	"uni-t-ut71b-ser", ut71x,
535	"UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
536	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
537	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
538	),
539	DMM(
540	"uni-t-ut71c-ser", ut71x,
541	"UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
542	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
543	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
544	),
545	DMM(
546	"uni-t-ut71d-ser", ut71x,
547	"UNI-T", "UT71D (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	"uni-t-ut71e-ser", ut71x,
553	"UNI-T", "UT71E (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	"iso-tech-idm103n", es519xx,
559	"ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
560	2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
561	sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
562	NULL
563	),
564	DMM(
565	"tenma-72-7745-ser", fs9721,
566	"Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
567	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
568	sr_fs9721_packet_valid, sr_fs9721_parse,
569	sr_fs9721_00_temp_c
570	),
571	DMM(
572	"tenma-72-7750-ser", es519xx,
573	/* Note: ES51986 baudrate is actually 19230! */
574	"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
575	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
576	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
577	NULL
578	),
579	DMM(
580	"brymen-bm25x", bm25x,
581	"Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
582	9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
583	sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
584	NULL
585	),
586	NULL
587	};