[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 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->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	{
1a863916	56	struct dmm_info *dmm;
bcbef5ed ML	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
1a863916 UH	68	dmm = (struct dmm_info *)di;
1a863916 UH	69
bcbef5ed ML	70	conn = serialcomm = NULL;
	71	for (l = options; l; l = l->next) {
	72	src = l->data;
	73	switch (src->key) {
	74	case SR_CONF_CONN:
	75	conn = g_variant_get_string(src->data, NULL);
	76	break;
	77	case SR_CONF_SERIALCOMM:
	78	serialcomm = g_variant_get_string(src->data, NULL);
	79	break;
	80	}
	81	}
	82	if (!conn)
	83	return NULL;
	84
	85	if (!serialcomm)
	86	serialcomm = dmm->conn;
	87
91219afc	88	serial = sr_serial_dev_inst_new(conn, serialcomm);
d35afa87	89
2e360339	90	if (serial_open(serial, SERIAL_RDWR) != SR_OK)
7dc55d93	91	return NULL;
7dc55d93	92
22f54192	93	sr_info("Probing serial port %s.", conn);
7dc55d93	94
bcbef5ed	95	drvc = di->priv;
7dc55d93	96	devices = NULL;
d35afa87	97	serial_flush(serial);
bbabddbd	98
ce3777ad	99	/* Request a packet if the DMM requires this. */
bcbef5ed ML	100	if (dmm->packet_request) {
bcbef5ed ML	101	if ((ret = dmm->packet_request(serial)) < 0) {
ce3777ad UH	102	sr_err("Failed to request packet: %d.", ret);
	103	return FALSE;
	104	}
	105	}
	106
22f54192 UH	107	/*
	108	* There's no way to get an ID from the multimeter. It just sends data
	109	* periodically (or upon request), so the best we can do is check if
	110	* the packets match the expected format.
	111	*/
	112
	113	/* Let's get a bit of data and see if we can find a packet. */
	114	len = sizeof(buf);
bcbef5ed ML	115	ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
	116	dmm->packet_valid, 3000,
	117	dmm->baudrate);
2546b05c AG	118	if (ret != SR_OK)
2546b05c AG	119	goto scan_cleanup;
7dc55d93	120
2546b05c AG	121	/*
	122	* If we dropped more than two packets worth of data, something is
	123	* wrong. We shouldn't quit however, since the dropped bytes might be
	124	* just zeroes at the beginning of the stream. Those can occur as a
22f54192 UH	125	* combination of the nonstandard cable that ships with some devices
22f54192 UH	126	* and the serial port or USB to serial adapter.
2546b05c	127	*/
bcbef5ed ML	128	dropped = len - dmm->packet_size;
bcbef5ed ML	129	if (dropped > 2 * dmm->packet_size)
6bef68a7	130	sr_warn("Had to drop too much data.");
7dc55d93	131
2546b05c	132	sr_info("Found device on port %s.", conn);
7dc55d93	133
aac29cc1	134	sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be	135	sdi->status = SR_ST_INACTIVE;
bcbef5ed ML	136	sdi->vendor = g_strdup(dmm->vendor);
bcbef5ed ML	137	sdi->model = g_strdup(dmm->device);
f57d8ffe	138	devc = g_malloc0(sizeof(struct dev_context));
1e1bfcd0 UH	139	sdi->inst_type = SR_INST_SERIAL;
1e1bfcd0 UH	140	sdi->conn = serial;
2546b05c	141	sdi->priv = devc;
bcbef5ed	142	sdi->driver = di;
5e23fcab	143	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
2546b05c AG	144	drvc->instances = g_slist_append(drvc->instances, sdi);
	145	devices = g_slist_append(devices, sdi);
	146
	147	scan_cleanup:
d35afa87	148	serial_close(serial);
2546b05c	149
7dc55d93 AG	150	return devices;
	151	}
	152
bcbef5ed	153	static GSList dev_list(const struct sr_dev_driver di)
7dc55d93	154	{
bcbef5ed	155	return ((struct drv_context *)(di->priv))->instances;
7dc55d93 AG	156	}
7dc55d93 AG	157
bcbef5ed	158	static int cleanup(const struct sr_dev_driver *di)
7dc55d93	159	{
bcbef5ed	160	return dev_clear(di);
7dc55d93 AG	161	}
7dc55d93 AG	162
584560f1	163	static int config_set(uint32_t key, GVariant data, const struct sr_dev_inst sdi,
53b4680f	164	const struct sr_channel_group *cg)
7dc55d93 AG	165	{
	166	struct dev_context *devc;
	167
53b4680f	168	(void)cg;
8f996b89	169
7dc55d93	170	if (sdi->status != SR_ST_ACTIVE)
e73ffd42	171	return SR_ERR_DEV_CLOSED;
7dc55d93 AG	172
	173	if (!(devc = sdi->priv)) {
	174	sr_err("sdi->priv was NULL.");
	175	return SR_ERR_BUG;
	176	}
	177
584560f1	178	switch (key) {
1953564a	179	case SR_CONF_LIMIT_SAMPLES:
ede25f4e	180	devc->limit_samples = g_variant_get_uint64(data);
7dc55d93 AG	181	sr_dbg("Setting sample limit to %" PRIu64 ".",
	182	devc->limit_samples);
	183	break;
1953564a	184	case SR_CONF_LIMIT_MSEC:
ede25f4e	185	devc->limit_msec = g_variant_get_uint64(data);
f9b9bd63 AG	186	sr_dbg("Setting time limit to %" PRIu64 "ms.",
	187	devc->limit_msec);
	188	break;
7dc55d93	189	default:
bd6fbf62	190	return SR_ERR_NA;
7dc55d93 AG	191	}
	192
	193	return SR_OK;
	194	}
	195
584560f1	196	static int config_list(uint32_t key, GVariant *data, const struct sr_dev_inst sdi,
53b4680f	197	const struct sr_channel_group *cg)
a1c743fc	198	{
a1c743fc	199	(void)sdi;
53b4680f	200	(void)cg;
a1c743fc BV	201
a1c743fc BV	202	switch (key) {
0d485e30	203	case SR_CONF_SCAN_OPTIONS:
584560f1	204	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41	205	scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
0d485e30	206	break;
9a6517d1	207	case SR_CONF_DEVICE_OPTIONS:
584560f1	208	*data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
f254bc4b	209	devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1	210	break;
a1c743fc	211	default:
bd6fbf62	212	return SR_ERR_NA;
a1c743fc BV	213	}
	214
	215	return SR_OK;
	216	}
	217
bcbef5ed	218	static int dev_acquisition_start(const struct sr_dev_inst sdi, void cb_data)
7dc55d93	219	{
7dc55d93	220	struct dev_context *devc;
1e1bfcd0	221	struct sr_serial_dev_inst *serial;
7dc55d93	222
e73ffd42 BV	223	if (sdi->status != SR_ST_ACTIVE)
	224	return SR_ERR_DEV_CLOSED;
	225
7dc55d93 AG	226	if (!(devc = sdi->priv)) {
	227	sr_err("sdi->priv was NULL.");
	228	return SR_ERR_BUG;
	229	}
	230
7dc55d93 AG	231	devc->cb_data = cb_data;
7dc55d93 AG	232
bbabddbd UH	233	/*
bbabddbd UH	234	* Reset the number of samples to take. If we've already collected our
7dc55d93	235	* quota, but we start a new session, and don't reset this, we'll just
bbabddbd UH	236	* quit without acquiring any new samples.
bbabddbd UH	237	*/
7dc55d93	238	devc->num_samples = 0;
f9b9bd63	239	devc->starttime = g_get_monotonic_time();
7dc55d93 AG	240
7dc55d93 AG	241	/* Send header packet to the session bus. */
29a27196	242	std_session_send_df_header(cb_data, LOG_PREFIX);
7dc55d93	243
bbabddbd	244	/* Poll every 50ms, or whenever some data comes in. */
1e1bfcd0	245	serial = sdi->conn;
102f1239	246	serial_source_add(sdi->session, serial, G_IO_IN, 50,
bcbef5ed	247	receive_data, (void *)sdi);
7dc55d93 AG	248
	249	return SR_OK;
	250	}
	251
6078d2c9	252	static int dev_acquisition_stop(struct sr_dev_inst sdi, void cb_data)
7dc55d93	253	{
d43b0908 BV	254	return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
d43b0908 BV	255	sdi->conn, LOG_PREFIX);
7dc55d93 AG	256	}
7dc55d93 AG	257
bcbef5ed ML	258	#define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
	259	DELAY, REQUEST, VALID, PARSE, DETAILS) \
	260	&(struct dmm_info) { \
	261	{ \
	262	.name = ID, \
	263	.longname = VENDOR " " MODEL, \
	264	.api_version = 1, \
	265	.init = init, \
	266	.cleanup = cleanup, \
	267	.scan = scan, \
	268	.dev_list = dev_list, \
	269	.dev_clear = dev_clear, \
	270	.config_get = NULL, \
	271	.config_set = config_set, \
	272	.config_list = config_list, \
	273	.dev_open = std_serial_dev_open, \
	274	.dev_close = std_serial_dev_close, \
	275	.dev_acquisition_start = dev_acquisition_start, \
	276	.dev_acquisition_stop = dev_acquisition_stop, \
	277	.priv = NULL, \
	278	}, \
	279	VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
	280	REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
	281	}
3098b390	282
bcbef5ed ML	283	SR_PRIV struct dmm_info *serial_dmm_drivers[] = {
	284	DMM(
	285	"bbcgm-2010", metex14,
	286	"BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
	287	BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
	288	sr_m2110_packet_valid, sr_m2110_parse,
	289	NULL
	290	),
	291	DMM(
	292	"digitek-dt4000zc", fs9721,
	293	"Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
	294	FS9721_PACKET_SIZE, 0, 0, NULL,
	295	sr_fs9721_packet_valid, sr_fs9721_parse,
	296	sr_fs9721_10_temp_c
	297	),
	298	DMM(
	299	"tekpower-tp4000ZC", fs9721,
	300	"TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
	301	FS9721_PACKET_SIZE, 0, 0, NULL,
	302	sr_fs9721_packet_valid, sr_fs9721_parse,
	303	sr_fs9721_10_temp_c
	304	),
	305	DMM(
	306	"metex-me31", metex14,
	307	"Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
	308	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	309	sr_metex14_packet_valid, sr_metex14_parse,
	310	NULL
	311	),
	312	DMM(
	313	"peaktech-3410", metex14,
	314	"Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
	315	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	316	sr_metex14_packet_valid, sr_metex14_parse,
	317	NULL
	318	),
	319	DMM(
	320	"mastech-mas345", metex14,
	321	"MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
	322	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
	323	sr_metex14_packet_valid, sr_metex14_parse,
	324	NULL
	325	),
	326	DMM(
	327	"mastech-ms8250b", fs9721,
	328	"MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
	329	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
	330	sr_fs9721_packet_valid, sr_fs9721_parse,
	331	NULL
	332	),
	333	DMM(
	334	"va-va18b", fs9721,
	335	"V&A", "VA18B", "2400/8n1", 2400,
	336	FS9721_PACKET_SIZE, 0, 0, NULL,
	337	sr_fs9721_packet_valid, sr_fs9721_parse,
	338	sr_fs9721_01_temp_c
	339	),
	340	DMM(
	341	"va-va40b", fs9721,
	342	"V&A", "VA40B", "2400/8n1", 2400,
	343	FS9721_PACKET_SIZE, 0, 0, NULL,
	344	sr_fs9721_packet_valid, sr_fs9721_parse,
	345	sr_fs9721_max_c_min
	346	),
347	DMM(
348	"metex-m3640d", metex14,
349	"Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
350	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
351	sr_metex14_packet_valid, sr_metex14_parse,
352	NULL
353	),
354	DMM(
355	"metex-m4650cr", metex14,
356	"Metex", "M-4650CR", "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	"peaktech-4370", metex14,
363	"PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
364	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
365	sr_metex14_packet_valid, sr_metex14_parse,
366	NULL
367	),
368	DMM(
369	"pce-pce-dm32", fs9721,
370	"PCE", "PCE-DM32", "2400/8n1", 2400,
371	FS9721_PACKET_SIZE, 0, 0, NULL,
372	sr_fs9721_packet_valid, sr_fs9721_parse,
373	sr_fs9721_01_10_temp_f_c
374	),
375	DMM(
376	"radioshack-22-168", metex14,
377	"RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
378	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
379	sr_metex14_packet_valid, sr_metex14_parse,
380	NULL
381	),
382	DMM(
383	"radioshack-22-805", metex14,
384	"RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
385	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
386	sr_metex14_packet_valid, sr_metex14_parse,
387	NULL
388	),
389	DMM(
390	"radioshack-22-812", rs9lcd,
391	"RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
392	RS9LCD_PACKET_SIZE, 0, 0, NULL,
393	sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
394	NULL
395	),
396	DMM(
397	"tecpel-dmm-8061-ser", fs9721,
398	"Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
399	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
400	sr_fs9721_packet_valid, sr_fs9721_parse,
401	sr_fs9721_00_temp_c
402	),
403	DMM(
404	"voltcraft-m3650cr", metex14,
405	"Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
406	METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
407	sr_metex14_packet_valid, sr_metex14_parse,
408	NULL
409	),
410	DMM(
411	"voltcraft-m3650d", metex14,
412	"Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
413	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
414	sr_metex14_packet_valid, sr_metex14_parse,
415	NULL
416	),
417	DMM(
418	"voltcraft-m4650cr", metex14,
419	"Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
420	METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
421	sr_metex14_packet_valid, sr_metex14_parse,
422	NULL
423	),
424	DMM(
425	"voltcraft-me42", metex14,
426	"Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
427	METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
428	sr_metex14_packet_valid, sr_metex14_parse,
429	NULL
430	),
431	DMM(
432	"voltcraft-vc820-ser", fs9721,
433	"Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
434	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
435	sr_fs9721_packet_valid, sr_fs9721_parse,
436	NULL
437	),
438	DMM(
439	/*
440	* Note: The VC830 doesn't set the 'volt' and 'diode' bits of
441	* the FS9922 protocol. Instead, it only sets the user-defined
442	* bit "z1" to indicate "diode mode" and "voltage".
443	*/
444	"voltcraft-vc830-ser", fs9922,
445	"Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
446	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
447	sr_fs9922_packet_valid, sr_fs9922_parse,
448	&sr_fs9922_z1_diode
449	),
450	DMM(
451	"voltcraft-vc840-ser", fs9721,
452	"Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
453	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
454	sr_fs9721_packet_valid, sr_fs9721_parse,
455	sr_fs9721_00_temp_c
456	),
457	DMM(
458	"voltcraft-vc870-ser", vc870,
459	"Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
460	9600, VC870_PACKET_SIZE, 0, 0, NULL,
461	sr_vc870_packet_valid, sr_vc870_parse, NULL
462	),
463	DMM(
464	"voltcraft-vc920-ser", ut71x,
465	"Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
466	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
467	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
468	),
469	DMM(
470	"voltcraft-vc940-ser", ut71x,
471	"Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
472	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
473	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
474	),
475	DMM(
476	"voltcraft-vc960-ser", ut71x,
477	"Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
478	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
479	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
480	),
481	DMM(
482	"uni-t-ut60a-ser", fs9721,
483	"UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
484	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
485	sr_fs9721_packet_valid, sr_fs9721_parse,
486	NULL
487	),
488	DMM(
489	"uni-t-ut60e-ser", fs9721,
490	"UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
491	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
492	sr_fs9721_packet_valid, sr_fs9721_parse,
493	sr_fs9721_00_temp_c
494	),
495	DMM(
496	/* Note: ES51986 baudrate is actually 19230! */
497	"uni-t-ut60g-ser", es519xx,
498	"UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
499	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
500	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
501	NULL
502	),
503	DMM(
504	"uni-t-ut61b-ser", fs9922,
505	"UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
506	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
507	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
508	),
509	DMM(
510	"uni-t-ut61c-ser", fs9922,
511	"UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
512	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
513	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
514	),
515	DMM(
516	"uni-t-ut61d-ser", fs9922,
517	"UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
518	2400, FS9922_PACKET_SIZE, 0, 0, NULL,
519	sr_fs9922_packet_valid, sr_fs9922_parse, NULL
520	),
521	DMM(
522	"uni-t-ut61e-ser", es519xx,
523	/* Note: ES51922 baudrate is actually 19230! */
524	"UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
525	19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
526	sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
527	NULL
528	),
529	DMM(
530	"uni-t-ut71a-ser", ut71x,
531	"UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
532	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
533	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
534	),
535	DMM(
536	"uni-t-ut71b-ser", ut71x,
537	"UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
538	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
539	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
540	),
541	DMM(
542	"uni-t-ut71c-ser", ut71x,
543	"UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
544	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
545	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
546	),
547	DMM(
548	"uni-t-ut71d-ser", ut71x,
549	"UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
550	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
551	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
552	),
553	DMM(
554	"uni-t-ut71e-ser", ut71x,
555	"UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
556	2400, UT71X_PACKET_SIZE, 0, 0, NULL,
557	sr_ut71x_packet_valid, sr_ut71x_parse, NULL
558	),
559	DMM(
560	"iso-tech-idm103n", es519xx,
561	"ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
562	2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
563	sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
564	NULL
565	),
566	DMM(
567	"tenma-72-7745-ser", fs9721,
568	"Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
569	2400, FS9721_PACKET_SIZE, 0, 0, NULL,
570	sr_fs9721_packet_valid, sr_fs9721_parse,
571	sr_fs9721_00_temp_c
572	),
573	DMM(
574	"tenma-72-7750-ser", es519xx,
575	/* Note: ES51986 baudrate is actually 19230! */
576	"Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
577	19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
578	sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
579	NULL
580	),
581	DMM(
582	"brymen-bm25x", bm25x,
583	"Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
584	9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
585	sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
586	NULL
587	),
588	NULL
589	};