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