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 <config.h>
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <fcntl.h>
  26 #include <string.h>
  27 #include <glib.h>
  28 #include <libsigrok/libsigrok.h>
  29 #include "libsigrok-internal.h"
  30 #include "protocol.h"
  31
  32 static const uint32_t scanopts[] = {
  33         SR_CONF_CONN,
  34         SR_CONF_SERIALCOMM,
  35 };
  36
  37 static const uint32_t devopts[] = {
  38         SR_CONF_MULTIMETER,
  39         SR_CONF_CONTINUOUS,
  40         SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
  41         SR_CONF_LIMIT_MSEC | SR_CONF_SET,
  42 };
  43
  44 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
  45 {
  46         return std_init(sr_ctx, di, LOG_PREFIX);
  47 }
  48
  49 static GSList *scan(struct sr_dev_driver *di, GSList *options)
  50 {
  51         struct dmm_info *dmm;
  52         struct sr_config *src;
  53         GSList *l, *devices;
  54         const char *conn, *serialcomm;
  55         struct sr_dev_inst *sdi;
  56         struct drv_context *drvc;
  57         struct dev_context *devc;
  58         struct sr_serial_dev_inst *serial;
  59         int dropped, ret;
  60         size_t len;
  61         uint8_t buf[128];
  62
  63         dmm = (struct dmm_info *)di;
  64
  65         conn = serialcomm = NULL;
  66         for (l = options; l; l = l->next) {
  67                 src = l->data;
  68                 switch (src->key) {
  69                 case SR_CONF_CONN:
  70                         conn = g_variant_get_string(src->data, NULL);
  71                         break;
  72                 case SR_CONF_SERIALCOMM:
  73                         serialcomm = g_variant_get_string(src->data, NULL);
  74                         break;
  75                 }
  76         }
  77         if (!conn)
  78                 return NULL;
  79
  80         if (!serialcomm)
  81                 serialcomm = dmm->conn;
  82
  83         serial = sr_serial_dev_inst_new(conn, serialcomm);
  84
  85         if (serial_open(serial, SERIAL_RDWR) != SR_OK)
  86                 return NULL;
  87
  88         sr_info("Probing serial port %s.", conn);
  89
  90         drvc = di->context;
  91         devices = NULL;
  92         serial_flush(serial);
  93
  94         /* Request a packet if the DMM requires this. */
  95         if (dmm->packet_request) {
  96                 if ((ret = dmm->packet_request(serial)) < 0) {
  97                         sr_err("Failed to request packet: %d.", ret);
  98                         return FALSE;
  99                 }
 100         }
 101
 102         /*
 103          * There's no way to get an ID from the multimeter. It just sends data
 104          * periodically (or upon request), so the best we can do is check if
 105          * the packets match the expected format.
 106          */
 107
 108         /* Let's get a bit of data and see if we can find a packet. */
 109         len = sizeof(buf);
 110         ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
 111                                    dmm->packet_valid, 3000,
 112                                    dmm->baudrate);
 113         if (ret != SR_OK)
 114                 goto scan_cleanup;
 115
 116         /*
 117          * If we dropped more than two packets worth of data, something is
 118          * wrong. We shouldn't quit however, since the dropped bytes might be
 119          * just zeroes at the beginning of the stream. Those can occur as a
 120          * combination of the nonstandard cable that ships with some devices
 121          * and the serial port or USB to serial adapter.
 122          */
 123         dropped = len - dmm->packet_size;
 124         if (dropped > 2 * dmm->packet_size)
 125                 sr_warn("Had to drop too much data.");
 126
 127         sr_info("Found device on port %s.", conn);
 128
 129         sdi = g_malloc0(sizeof(struct sr_dev_inst));
 130         sdi->status = SR_ST_INACTIVE;
 131         sdi->vendor = g_strdup(dmm->vendor);
 132         sdi->model = g_strdup(dmm->device);
 133         devc = g_malloc0(sizeof(struct dev_context));
 134         sdi->inst_type = SR_INST_SERIAL;
 135         sdi->conn = serial;
 136         sdi->priv = devc;
 137         sdi->driver = di;
 138         sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
 139         drvc->instances = g_slist_append(drvc->instances, sdi);
 140         devices = g_slist_append(devices, sdi);
 141
 142 scan_cleanup:
 143         serial_close(serial);
 144
 145         return devices;
 146 }
 147
 148 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
 149                 const struct sr_channel_group *cg)
 150 {
 151         struct dev_context *devc;
 152
 153         (void)cg;
 154
 155         if (sdi->status != SR_ST_ACTIVE)
 156                 return SR_ERR_DEV_CLOSED;
 157
 158         if (!(devc = sdi->priv)) {
 159                 sr_err("sdi->priv was NULL.");
 160                 return SR_ERR_BUG;
 161         }
 162
 163         switch (key) {
 164         case SR_CONF_LIMIT_SAMPLES:
 165                 devc->limit_samples = g_variant_get_uint64(data);
 166                 break;
 167         case SR_CONF_LIMIT_MSEC:
 168                 devc->limit_msec = g_variant_get_uint64(data);
 169                 break;
 170         default:
 171                 return SR_ERR_NA;
 172         }
 173
 174         return SR_OK;
 175 }
 176
 177 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 178                 const struct sr_channel_group *cg)
 179 {
 180         (void)sdi;
 181         (void)cg;
 182
 183         switch (key) {
 184         case SR_CONF_SCAN_OPTIONS:
 185                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 186                                 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
 187                 break;
 188         case SR_CONF_DEVICE_OPTIONS:
 189                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 190                                 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
 191                 break;
 192         default:
 193                 return SR_ERR_NA;
 194         }
 195
 196         return SR_OK;
 197 }
 198
 199 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 200 {
 201         struct dev_context *devc;
 202         struct sr_serial_dev_inst *serial;
 203
 204         if (sdi->status != SR_ST_ACTIVE)
 205                 return SR_ERR_DEV_CLOSED;
 206
 207         devc = sdi->priv;
 208
 209         /*
 210          * Reset the number of samples to take. If we've already collected our
 211          * quota, but we start a new session, and don't reset this, we'll just
 212          * quit without acquiring any new samples.
 213          */
 214         devc->num_samples = 0;
 215         devc->starttime = g_get_monotonic_time();
 216
 217         std_session_send_df_header(sdi, LOG_PREFIX);
 218
 219         /* Poll every 50ms, or whenever some data comes in. */
 220         serial = sdi->conn;
 221         serial_source_add(sdi->session, serial, G_IO_IN, 50,
 222                       receive_data, (void *)sdi);
 223
 224         return SR_OK;
 225 }
 226
 227 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 228 {
 229         return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
 230                         sdi->conn, LOG_PREFIX);
 231 }
 232
 233 #define DMM(ID, CHIPSET, VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, \
 234                         DELAY, REQUEST, VALID, PARSE, DETAILS) \
 235         &(struct dmm_info) { \
 236                 { \
 237                         .name = ID, \
 238                         .longname = VENDOR " " MODEL, \
 239                         .api_version = 1, \
 240                         .init = init, \
 241                         .cleanup = std_cleanup, \
 242                         .scan = scan, \
 243                         .dev_list = std_dev_list, \
 244                         .config_get = NULL, \
 245                         .config_set = config_set, \
 246                         .config_list = config_list, \
 247                         .dev_open = std_serial_dev_open, \
 248                         .dev_close = std_serial_dev_close, \
 249                         .dev_acquisition_start = dev_acquisition_start, \
 250                         .dev_acquisition_stop = dev_acquisition_stop, \
 251                         .context = NULL, \
 252                 }, \
 253                 VENDOR, MODEL, CONN, BAUDRATE, PACKETSIZE, TIMEOUT, DELAY, \
 254                 REQUEST, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
 255         }
 256
 257 SR_PRIV const struct dmm_info *serial_dmm_drivers[] = {
 258         DMM(
 259                 "bbcgm-2010", metex14,
 260                 "BBC Goertz Metrawatt", "M2110", "1200/7n2", 1200,
 261                 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
 262                 sr_m2110_packet_valid, sr_m2110_parse,
 263                 NULL
 264         ),
 265         DMM(
 266                 "digitek-dt4000zc", fs9721,
 267                 "Digitek", "DT4000ZC", "2400/8n1/dtr=1", 2400,
 268                 FS9721_PACKET_SIZE, 0, 0, NULL,
 269                 sr_fs9721_packet_valid, sr_fs9721_parse,
 270                 sr_fs9721_10_temp_c
 271         ),
 272         DMM(
 273                 "tekpower-tp4000ZC", fs9721,
 274                 "TekPower", "TP4000ZC", "2400/8n1/dtr=1", 2400,
 275                 FS9721_PACKET_SIZE, 0, 0, NULL,
 276                 sr_fs9721_packet_valid, sr_fs9721_parse,
 277                 sr_fs9721_10_temp_c
 278         ),
 279         DMM(
 280                 "metex-me31", metex14,
 281                 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
 282                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 283                 sr_metex14_packet_valid, sr_metex14_parse,
 284                 NULL
 285         ),
 286         DMM(
 287                 "peaktech-3410", metex14,
 288                 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
 289                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 290                 sr_metex14_packet_valid, sr_metex14_parse,
 291                 NULL
 292         ),
 293         DMM(
 294                 "mastech-mas345", metex14,
 295                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
 296                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 297                 sr_metex14_packet_valid, sr_metex14_parse,
 298                 NULL
 299         ),
 300         DMM(
 301                 "mastech-ms8250b", fs9721,
 302                 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
 303                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 304                 sr_fs9721_packet_valid, sr_fs9721_parse,
 305                 NULL
 306         ),
 307         DMM(
 308                 "va-va18b", fs9721,
 309                 "V&A", "VA18B", "2400/8n1", 2400,
 310                 FS9721_PACKET_SIZE, 0, 0, NULL,
 311                 sr_fs9721_packet_valid, sr_fs9721_parse,
 312                 sr_fs9721_01_temp_c
 313         ),
 314         DMM(
 315                 "va-va40b", fs9721,
 316                 "V&A", "VA40B", "2400/8n1", 2400,
 317                 FS9721_PACKET_SIZE, 0, 0, NULL,
 318                 sr_fs9721_packet_valid, sr_fs9721_parse,
 319                 sr_fs9721_max_c_min
 320         ),
 321         DMM(
 322                 "metex-m3640d", metex14,
 323                 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
 324                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 325                 sr_metex14_packet_valid, sr_metex14_parse,
 326                 NULL
 327         ),
 328         DMM(
 329                 "metex-m4650cr", metex14,
 330                 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 331                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 332                 sr_metex14_packet_valid, sr_metex14_parse,
 333                 NULL
 334         ),
 335         DMM(
 336                 "peaktech-4370", metex14,
 337                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
 338                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 339                 sr_metex14_packet_valid, sr_metex14_parse,
 340                 NULL
 341         ),
 342         DMM(
 343                 "pce-pce-dm32", fs9721,
 344                 "PCE", "PCE-DM32", "2400/8n1", 2400,
 345                 FS9721_PACKET_SIZE, 0, 0, NULL,
 346                 sr_fs9721_packet_valid, sr_fs9721_parse,
 347                 sr_fs9721_01_10_temp_f_c
 348         ),
 349         DMM(
 350                 "radioshack-22-168", metex14,
 351                 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
 352                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 353                 sr_metex14_packet_valid, sr_metex14_parse,
 354                 NULL
 355         ),
 356         DMM(
 357                 "radioshack-22-805", metex14,
 358                 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1", 600,
 359                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 360                 sr_metex14_packet_valid, sr_metex14_parse,
 361                 NULL
 362         ),
 363         DMM(
 364                 "radioshack-22-812", rs9lcd,
 365                 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
 366                 RS9LCD_PACKET_SIZE, 0, 0, NULL,
 367                 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
 368                 NULL
 369         ),
 370         DMM(
 371                 "tecpel-dmm-8061-ser", fs9721,
 372                 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 373                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 374                 sr_fs9721_packet_valid, sr_fs9721_parse,
 375                 sr_fs9721_00_temp_c
 376         ),
 377         DMM(
 378                 "voltcraft-m3650cr", metex14,
 379                 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1", 1200,
 380                 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
 381                 sr_metex14_packet_valid, sr_metex14_parse,
 382                 NULL
 383         ),
 384         DMM(
 385                 "voltcraft-m3650d", metex14,
 386                 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1", 1200,
 387                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 388                 sr_metex14_packet_valid, sr_metex14_parse,
 389                 NULL
 390         ),
 391         DMM(
 392                 "voltcraft-m4650cr", metex14,
 393                 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1", 1200,
 394                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 395                 sr_metex14_packet_valid, sr_metex14_parse,
 396                 NULL
 397         ),
 398         DMM(
 399                 "voltcraft-me42", metex14,
 400                 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1", 600,
 401                 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
 402                 sr_metex14_packet_valid, sr_metex14_parse,
 403                 NULL
 404         ),
 405         DMM(
 406                 "voltcraft-vc820-ser", fs9721,
 407                 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 408                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 409                 sr_fs9721_packet_valid, sr_fs9721_parse,
 410                 NULL
 411         ),
 412         DMM(
 413                 /*
 414                  * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
 415                  * the FS9922 protocol. Instead, it only sets the user-defined
 416                  * bit "z1" to indicate "diode mode" and "voltage".
 417                  */
 418                 "voltcraft-vc830-ser", fs9922,
 419                 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 420                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 421                 sr_fs9922_packet_valid, sr_fs9922_parse,
 422                 &sr_fs9922_z1_diode
 423         ),
 424         DMM(
 425                 "voltcraft-vc840-ser", fs9721,
 426                 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 427                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 428                 sr_fs9721_packet_valid, sr_fs9721_parse,
 429                 sr_fs9721_00_temp_c
 430         ),
 431         DMM(
 432                 "voltcraft-vc870-ser", vc870,
 433                 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
 434                 9600, VC870_PACKET_SIZE, 0, 0, NULL,
 435                 sr_vc870_packet_valid, sr_vc870_parse, NULL
 436         ),
 437         DMM(
 438                 "voltcraft-vc920-ser", ut71x,
 439                 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 440                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 441                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 442         ),
 443         DMM(
 444                 "voltcraft-vc940-ser", ut71x,
 445                 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 446                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 447                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 448         ),
 449         DMM(
 450                 "voltcraft-vc960-ser", ut71x,
 451                 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 452                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 453                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 454         ),
 455         DMM(
 456                 "uni-t-ut60a-ser", fs9721,
 457                 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 458                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 459                 sr_fs9721_packet_valid, sr_fs9721_parse,
 460                 NULL
 461         ),
 462         DMM(
 463                 "uni-t-ut60e-ser", fs9721,
 464                 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 465                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 466                 sr_fs9721_packet_valid, sr_fs9721_parse,
 467                 sr_fs9721_00_temp_c
 468         ),
 469         DMM(
 470                 /* Note: ES51986 baudrate is actually 19230! */
 471                 "uni-t-ut60g-ser", es519xx,
 472                 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 473                 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 474                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 475                 NULL
 476         ),
 477         DMM(
 478                 "uni-t-ut61b-ser", fs9922,
 479                 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 480                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 481                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 482         ),
 483         DMM(
 484                 "uni-t-ut61c-ser", fs9922,
 485                 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 486                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 487                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 488         ),
 489         DMM(
 490                 "uni-t-ut61d-ser", fs9922,
 491                 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 492                 2400, FS9922_PACKET_SIZE, 0, 0, NULL,
 493                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 494         ),
 495         DMM(
 496                 "uni-t-ut61e-ser", es519xx,
 497                 /* Note: ES51922 baudrate is actually 19230! */
 498                 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 499                 19200, ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
 500                 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
 501                 NULL
 502         ),
 503         DMM(
 504                 "uni-t-ut71a-ser", ut71x,
 505                 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 506                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 507                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 508         ),
 509         DMM(
 510                 "uni-t-ut71b-ser", ut71x,
 511                 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 512                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 513                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 514         ),
 515         DMM(
 516                 "uni-t-ut71c-ser", ut71x,
 517                 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 518                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 519                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 520         ),
 521         DMM(
 522                 "uni-t-ut71d-ser", ut71x,
 523                 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 524                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 525                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 526         ),
 527         DMM(
 528                 "uni-t-ut71e-ser", ut71x,
 529                 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 530                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 531                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 532         ),
 533         DMM(
 534                 "iso-tech-idm103n", es519xx,
 535                 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
 536                 2400, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 537                 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
 538                 NULL
 539         ),
 540         DMM(
 541                 "tenma-72-7730-ser", ut71x,
 542                 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 543                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 544                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 545         ),
 546         DMM(
 547                 "tenma-72-7732-ser", ut71x,
 548                 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 549                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 550                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 551         ),
 552         DMM(
 553                 "tenma-72-9380a-ser", ut71x,
 554                 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 555                 2400, UT71X_PACKET_SIZE, 0, 0, NULL,
 556                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 557         ),
 558         DMM(
 559                 "tenma-72-7745-ser", fs9721,
 560                 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 561                 2400, FS9721_PACKET_SIZE, 0, 0, NULL,
 562                 sr_fs9721_packet_valid, sr_fs9721_parse,
 563                 sr_fs9721_00_temp_c
 564         ),
 565         DMM(
 566                 "tenma-72-7750-ser", es519xx,
 567                 /* Note: ES51986 baudrate is actually 19230! */
 568                 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 569                 19200, ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 570                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 571                 NULL
 572         ),
 573         DMM(
 574                 "brymen-bm25x", bm25x,
 575                 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
 576                 9600, BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
 577                 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
 578                 NULL
 579         ),
 580         DMM(
 581                 "velleman-dvm4100", dtm0660,
 582                 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
 583                 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
 584                 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
 585         ),
 586         DMM(
 587                 "peaktech-3415", dtm0660,
 588                 "Peaktech", "3415", "2400/8n1/rts=0/dtr=1",
 589                 2400, DTM0660_PACKET_SIZE, 0, 0, NULL,
 590                 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
 591         ),
 592         NULL
 593 };