[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 <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 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->context;
	devices = NULL;
	serial_flush(serial);

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

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

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

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

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

	sdi = g_malloc0(sizeof(struct sr_dev_inst));
	sdi->status = SR_ST_INACTIVE;
	sdi->vendor = g_strdup(dmm->vendor);
	sdi->model = g_strdup(dmm->device);
	devc = g_malloc0(sizeof(struct dev_context));
	sdi->inst_type = SR_INST_SERIAL;
	sdi->conn = serial;
	sdi->priv = devc;
	sdi->driver = di;
	sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
	drvc->instances = g_slist_append(drvc->instances, sdi);
	devices = g_slist_append(devices, sdi);

scan_cleanup:
	serial_close(serial);

	return devices;
}

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

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