src/hardware/serial-dmm/api.c

   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.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 };