hardware/serial-dmm/api.c

   1 /*
   2  * This file is part of the sigrok 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 <glib.h>
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <fcntl.h>
  26 #include <string.h>
  27 #include <errno.h>
  28 #include "libsigrok.h"
  29 #include "libsigrok-internal.h"
  30 #include "protocol.h"
  31
  32 static const int hwopts[] = {
  33         SR_HWOPT_CONN,
  34         SR_HWOPT_SERIALCOMM,
  35         0,
  36 };
  37
  38 static const int hwcaps[] = {
  39         SR_HWCAP_MULTIMETER,
  40         SR_HWCAP_LIMIT_SAMPLES,
  41         SR_HWCAP_CONTINUOUS,
  42         0,
  43 };
  44
  45 static const char *probe_names[] = {
  46         "Probe",
  47         NULL,
  48 };
  49
  50 SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info;
  51 SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info;
  52 SR_PRIV struct sr_dev_driver metex_me31_driver_info;
  53 SR_PRIV struct sr_dev_driver peaktech_3410_driver_info;
  54 SR_PRIV struct sr_dev_driver mastech_mas345_driver_info;
  55 SR_PRIV struct sr_dev_driver va_va18b_driver_info;
  56 SR_PRIV struct sr_dev_driver metex_m3640d_driver_info;
  57 SR_PRIV struct sr_dev_driver peaktech_4370_driver_info;
  58
  59 static struct sr_dev_driver *di_dt4000zc = &digitek_dt4000zc_driver_info;
  60 static struct sr_dev_driver *di_tp4000zc = &tekpower_tp4000zc_driver_info;
  61 static struct sr_dev_driver *di_me31 = &metex_me31_driver_info;
  62 static struct sr_dev_driver *di_3410 = &peaktech_3410_driver_info;
  63 static struct sr_dev_driver *di_mas345 = &mastech_mas345_driver_info;
  64 static struct sr_dev_driver *di_va18b = &va_va18b_driver_info;
  65 static struct sr_dev_driver *di_m3640d = &metex_m3640d_driver_info;
  66 static struct sr_dev_driver *di_4370 = &peaktech_4370_driver_info;
  67
  68 /* After hw_init() this will point to a device-specific entry (see above). */
  69 static struct sr_dev_driver *di = NULL;
  70
  71 SR_PRIV struct dmm_info dmms[] = {
  72         {
  73                 "Digitek", "DT4000ZC", "2400/8n1", 2400,
  74                 FS9721_PACKET_SIZE, NULL,
  75                 sr_fs9721_packet_valid, sr_fs9721_parse,
  76                 dmm_details_dt4000zc,
  77         },
  78         {
  79                 "TekPower", "TP4000ZC", "2400/8n1", 2400,
  80                 FS9721_PACKET_SIZE, NULL,
  81                 sr_fs9721_packet_valid, sr_fs9721_parse,
  82                 dmm_details_tp4000zc,
  83         },
  84         {
  85                 "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600,
  86                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
  87                 sr_metex14_packet_valid, sr_metex14_parse,
  88                 NULL,
  89         },
  90         {
  91                 "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600,
  92                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
  93                 sr_metex14_packet_valid, sr_metex14_parse,
  94                 NULL,
  95         },
  96         {
  97                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
  98                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
  99                 sr_metex14_packet_valid, sr_metex14_parse,
 100                 NULL,
 101         },
 102         {
 103                 "V&A", "VA18B", "2400/8n1", 2400,
 104                 FS9721_PACKET_SIZE, NULL,
 105                 sr_fs9721_packet_valid, sr_fs9721_parse,
 106                 dmm_details_va18b,
 107         },
 108         {
 109                 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200,
 110                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 111                 sr_metex14_packet_valid, sr_metex14_parse,
 112                 NULL,
 113         },
 114         {
 115                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
 116                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 117                 sr_metex14_packet_valid, sr_metex14_parse,
 118                 NULL,
 119         },
 120 };
 121
 122 /* Properly close and free all devices. */
 123 static int clear_instances(void)
 124 {
 125         struct sr_dev_inst *sdi;
 126         struct drv_context *drvc;
 127         struct dev_context *devc;
 128         GSList *l;
 129
 130         if (!(drvc = di->priv))
 131                 return SR_OK;
 132
 133         drvc = di->priv;
 134         for (l = drvc->instances; l; l = l->next) {
 135                 if (!(sdi = l->data))
 136                         continue;
 137                 if (!(devc = sdi->priv))
 138                         continue;
 139                 sr_serial_dev_inst_free(devc->serial);
 140                 sr_dev_inst_free(sdi);
 141         }
 142         g_slist_free(drvc->instances);
 143         drvc->instances = NULL;
 144
 145         return SR_OK;
 146 }
 147
 148 static int hw_init(int dmm)
 149 {
 150         struct drv_context *drvc;
 151
 152         if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
 153                 sr_err("Driver context malloc failed.");
 154                 return SR_ERR_MALLOC;
 155         }
 156
 157         if (dmm == DIGITEK_DT4000ZC)
 158                 di = di_dt4000zc;
 159         if (dmm == TEKPOWER_TP4000ZC)
 160                 di = di_tp4000zc;
 161         if (dmm == METEX_ME31)
 162                 di = di_me31;
 163         if (dmm == PEAKTECH_3410)
 164                 di = di_3410;
 165         if (dmm == MASTECH_MAS345)
 166                 di = di_mas345;
 167         if (dmm == VA_VA18B)
 168                 di = di_va18b;
 169         if (dmm == METEX_M3640D)
 170                 di = di_m3640d;
 171         if (dmm == PEAKTECH_4370)
 172                 di = di_4370;
 173         sr_dbg("Selected '%s' subdriver.", di->name);
 174
 175         di->priv = drvc;
 176
 177         return SR_OK;
 178 }
 179
 180 static int hw_init_digitek_dt4000zc(void)
 181 {
 182         return hw_init(DIGITEK_DT4000ZC);
 183 }
 184
 185 static int hw_init_tekpower_tp4000zc(void)
 186 {
 187         return hw_init(TEKPOWER_TP4000ZC);
 188 }
 189
 190 static int hw_init_metex_me31(void)
 191 {
 192         return hw_init(METEX_ME31);
 193 }
 194
 195 static int hw_init_peaktech_3410(void)
 196 {
 197         return hw_init(PEAKTECH_3410);
 198 }
 199
 200 static int hw_init_mastech_mas345(void)
 201 {
 202         return hw_init(MASTECH_MAS345);
 203 }
 204
 205 static int hw_init_va_va18b(void)
 206 {
 207         return hw_init(VA_VA18B);
 208 }
 209
 210 static int hw_init_metex_m3640d(void)
 211 {
 212         return hw_init(METEX_M3640D);
 213 }
 214
 215 static int hw_init_peaktech_4370(void)
 216 {
 217         return hw_init(PEAKTECH_4370);
 218 }
 219
 220 static GSList *scan(const char *conn, const char *serialcomm, int dmm)
 221 {
 222         struct sr_dev_inst *sdi;
 223         struct drv_context *drvc;
 224         struct dev_context *devc;
 225         struct sr_probe *probe;
 226         struct sr_serial_dev_inst *serial;
 227         GSList *devices;
 228         int dropped, ret;
 229         size_t len;
 230         uint8_t buf[128];
 231
 232         if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
 233                 return NULL;
 234
 235         if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 236                 return NULL;
 237
 238         sr_info("Probing port %s.", conn);
 239
 240         drvc = di->priv;
 241         devices = NULL;
 242         serial_flush(serial);
 243
 244         /*
 245          * There's no way to get an ID from the multimeter. It just sends data
 246          * periodically, so the best we can do is check if the packets match
 247          * the expected format.
 248          */
 249
 250         /* Let's get a bit of data and see if we can find a packet. */
 251         len = sizeof(buf);
 252
 253         /* Request a packet if the DMM requires this. */
 254         if (dmms[dmm].packet_request) {
 255                 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
 256                         sr_err("Failed to request packet: %d.", ret);
 257                         return FALSE;
 258                 }
 259         }
 260
 261         ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
 262                                    dmms[dmm].packet_valid, 1000,
 263                                    dmms[dmm].baudrate);
 264         if (ret != SR_OK)
 265                 goto scan_cleanup;
 266
 267         /*
 268          * If we dropped more than two packets worth of data, something is
 269          * wrong. We shouldn't quit however, since the dropped bytes might be
 270          * just zeroes at the beginning of the stream. Those can occur as a
 271          * combination of the nonstandard cable that ships with this device and
 272          * the serial port or USB to serial adapter.
 273          */
 274         dropped = len - dmms[dmm].packet_size;
 275         if (dropped > 2 * dmms[dmm].packet_size)
 276                 sr_warn("Had to drop too much data.");
 277
 278         sr_info("Found device on port %s.", conn);
 279
 280         if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
 281                                     dmms[dmm].device, "")))
 282                 goto scan_cleanup;
 283
 284         if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
 285                 sr_err("Device context malloc failed.");
 286                 goto scan_cleanup;
 287         }
 288
 289         devc->serial = serial;
 290
 291         sdi->priv = devc;
 292         sdi->driver = di;
 293         if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
 294                 goto scan_cleanup;
 295         sdi->probes = g_slist_append(sdi->probes, probe);
 296         drvc->instances = g_slist_append(drvc->instances, sdi);
 297         devices = g_slist_append(devices, sdi);
 298
 299 scan_cleanup:
 300         serial_close(serial);
 301
 302         return devices;
 303 }
 304
 305 static GSList *hw_scan(GSList *options)
 306 {
 307         struct sr_hwopt *opt;
 308         GSList *l, *devices;
 309         const char *conn, *serialcomm;
 310         int dmm;
 311
 312         conn = serialcomm = NULL;
 313         for (l = options; l; l = l->next) {
 314                 opt = l->data;
 315                 switch (opt->hwopt) {
 316                 case SR_HWOPT_CONN:
 317                         conn = opt->value;
 318                         break;
 319                 case SR_HWOPT_SERIALCOMM:
 320                         serialcomm = opt->value;
 321                         break;
 322                 }
 323         }
 324         if (!conn)
 325                 return NULL;
 326
 327         if (!strcmp(di->name, "digitek-dt4000zc"))
 328                 dmm = 0;
 329         if (!strcmp(di->name, "tekpower-tp4000zc"))
 330                 dmm = 1;
 331         if (!strcmp(di->name, "metex-me31"))
 332                 dmm = 2;
 333         if (!strcmp(di->name, "peaktech-3410"))
 334                 dmm = 3;
 335         if (!strcmp(di->name, "mastech-mas345"))
 336                 dmm = 4;
 337         if (!strcmp(di->name, "va-va18b"))
 338                 dmm = 5;
 339         if (!strcmp(di->name, "metex-m3640d"))
 340                 dmm = 6;
 341         if (!strcmp(di->name, "peaktech-4370"))
 342                 dmm = 7;
 343
 344         if (serialcomm) {
 345                 /* Use the provided comm specs. */
 346                 devices = scan(conn, serialcomm, dmm);
 347         } else {
 348                 /* Try the default. */
 349                 devices = scan(conn, dmms[dmm].conn, dmm);
 350         }
 351
 352         return devices;
 353 }
 354
 355 static GSList *hw_dev_list(void)
 356 {
 357         struct drv_context *drvc;
 358
 359         drvc = di->priv;
 360
 361         return drvc->instances;
 362 }
 363
 364 static int hw_dev_open(struct sr_dev_inst *sdi)
 365 {
 366         struct dev_context *devc;
 367
 368         if (!(devc = sdi->priv)) {
 369                 sr_err("sdi->priv was NULL.");
 370                 return SR_ERR_BUG;
 371         }
 372
 373         if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 374                 return SR_ERR;
 375
 376         sdi->status = SR_ST_ACTIVE;
 377
 378         return SR_OK;
 379 }
 380
 381 static int hw_dev_close(struct sr_dev_inst *sdi)
 382 {
 383         struct dev_context *devc;
 384
 385         if (!(devc = sdi->priv)) {
 386                 sr_err("sdi->priv was NULL.");
 387                 return SR_ERR_BUG;
 388         }
 389
 390         if (devc->serial && devc->serial->fd != -1) {
 391                 serial_close(devc->serial);
 392                 sdi->status = SR_ST_INACTIVE;
 393         }
 394
 395         return SR_OK;
 396 }
 397
 398 static int hw_cleanup(void)
 399 {
 400         clear_instances();
 401
 402         return SR_OK;
 403 }
 404
 405 static int hw_info_get(int info_id, const void **data,
 406                        const struct sr_dev_inst *sdi)
 407 {
 408         (void)sdi;
 409
 410         switch (info_id) {
 411         case SR_DI_HWOPTS:
 412                 *data = hwopts;
 413                 break;
 414         case SR_DI_HWCAPS:
 415                 *data = hwcaps;
 416                 break;
 417         case SR_DI_NUM_PROBES:
 418                 *data = GINT_TO_POINTER(1);
 419                 break;
 420         case SR_DI_PROBE_NAMES:
 421                 *data = probe_names;
 422                 break;
 423         default:
 424                 return SR_ERR_ARG;
 425         }
 426
 427         return SR_OK;
 428 }
 429
 430 static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 431                              const void *value)
 432 {
 433         struct dev_context *devc;
 434
 435         if (sdi->status != SR_ST_ACTIVE)
 436                 return SR_ERR;
 437
 438         if (!(devc = sdi->priv)) {
 439                 sr_err("sdi->priv was NULL.");
 440                 return SR_ERR_BUG;
 441         }
 442
 443         switch (hwcap) {
 444         case SR_HWCAP_LIMIT_SAMPLES:
 445                 devc->limit_samples = *(const uint64_t *)value;
 446                 sr_dbg("Setting sample limit to %" PRIu64 ".",
 447                        devc->limit_samples);
 448                 break;
 449         default:
 450                 sr_err("Unknown capability: %d.", hwcap);
 451                 return SR_ERR;
 452                 break;
 453         }
 454
 455         return SR_OK;
 456 }
 457
 458 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 459                                     void *cb_data)
 460 {
 461         struct sr_datafeed_packet packet;
 462         struct sr_datafeed_header header;
 463         struct sr_datafeed_meta_analog meta;
 464         struct dev_context *devc;
 465         int (*receive_data)(int, int, void *) = NULL;
 466
 467         if (!(devc = sdi->priv)) {
 468                 sr_err("sdi->priv was NULL.");
 469                 return SR_ERR_BUG;
 470         }
 471
 472         sr_dbg("Starting acquisition.");
 473
 474         devc->cb_data = cb_data;
 475
 476         /*
 477          * Reset the number of samples to take. If we've already collected our
 478          * quota, but we start a new session, and don't reset this, we'll just
 479          * quit without acquiring any new samples.
 480          */
 481         devc->num_samples = 0;
 482
 483         /* Send header packet to the session bus. */
 484         sr_dbg("Sending SR_DF_HEADER.");
 485         packet.type = SR_DF_HEADER;
 486         packet.payload = (uint8_t *)&header;
 487         header.feed_version = 1;
 488         gettimeofday(&header.starttime, NULL);
 489         sr_session_send(devc->cb_data, &packet);
 490
 491         /* Send metadata about the SR_DF_ANALOG packets to come. */
 492         sr_dbg("Sending SR_DF_META_ANALOG.");
 493         packet.type = SR_DF_META_ANALOG;
 494         packet.payload = &meta;
 495         meta.num_probes = 1;
 496         sr_session_send(devc->cb_data, &packet);
 497
 498         if (!strcmp(di->name, "digitek-dt4000zc"))
 499                 receive_data = digitek_dt4000zc_receive_data;
 500         if (!strcmp(di->name, "tekpower-tp4000zc"))
 501                 receive_data = tekpower_tp4000zc_receive_data;
 502         if (!strcmp(di->name, "metex-me31"))
 503                 receive_data = metex_me31_receive_data;
 504         if (!strcmp(di->name, "peaktech-3410"))
 505                 receive_data = peaktech_3410_receive_data;
 506         if (!strcmp(di->name, "mastech-mas345"))
 507                 receive_data = mastech_mas345_receive_data;
 508         if (!strcmp(di->name, "va-va18b"))
 509                 receive_data = va_va18b_receive_data;
 510         if (!strcmp(di->name, "metex-m3640d"))
 511                 receive_data = metex_m3640d_receive_data;
 512         if (!strcmp(di->name, "peaktech-4370"))
 513                 receive_data = peaktech_4370_receive_data;
 514
 515         /* Poll every 50ms, or whenever some data comes in. */
 516         sr_source_add(devc->serial->fd, G_IO_IN, 50,
 517                       receive_data, (void *)sdi);
 518
 519         return SR_OK;
 520 }
 521
 522 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 523 {
 524         struct sr_datafeed_packet packet;
 525         struct dev_context *devc;
 526
 527         if (sdi->status != SR_ST_ACTIVE)
 528                 return SR_ERR;
 529
 530         if (!(devc = sdi->priv)) {
 531                 sr_err("sdi->priv was NULL.");
 532                 return SR_ERR_BUG;
 533         }
 534
 535         sr_dbg("Stopping acquisition.");
 536
 537         sr_source_remove(devc->serial->fd);
 538         hw_dev_close((struct sr_dev_inst *)sdi);
 539
 540         /* Send end packet to the session bus. */
 541         sr_dbg("Sending SR_DF_END.");
 542         packet.type = SR_DF_END;
 543         sr_session_send(cb_data, &packet);
 544
 545         return SR_OK;
 546 }
 547
 548 SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = {
 549         .name = "digitek-dt4000zc",
 550         .longname = "Digitek DT4000ZC",
 551         .api_version = 1,
 552         .init = hw_init_digitek_dt4000zc,
 553         .cleanup = hw_cleanup,
 554         .scan = hw_scan,
 555         .dev_list = hw_dev_list,
 556         .dev_clear = clear_instances,
 557         .dev_open = hw_dev_open,
 558         .dev_close = hw_dev_close,
 559         .info_get = hw_info_get,
 560         .dev_config_set = hw_dev_config_set,
 561         .dev_acquisition_start = hw_dev_acquisition_start,
 562         .dev_acquisition_stop = hw_dev_acquisition_stop,
 563         .priv = NULL,
 564 };
 565
 566 SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = {
 567         .name = "tekpower-tp4000zc",
 568         .longname = "TekPower TP4000ZC",
 569         .api_version = 1,
 570         .init = hw_init_tekpower_tp4000zc,
 571         .cleanup = hw_cleanup,
 572         .scan = hw_scan,
 573         .dev_list = hw_dev_list,
 574         .dev_clear = clear_instances,
 575         .dev_open = hw_dev_open,
 576         .dev_close = hw_dev_close,
 577         .info_get = hw_info_get,
 578         .dev_config_set = hw_dev_config_set,
 579         .dev_acquisition_start = hw_dev_acquisition_start,
 580         .dev_acquisition_stop = hw_dev_acquisition_stop,
 581         .priv = NULL,
 582 };
 583
 584 SR_PRIV struct sr_dev_driver metex_me31_driver_info = {
 585         .name = "metex-me31",
 586         .longname = "Metex ME-31",
 587         .api_version = 1,
 588         .init = hw_init_metex_me31,
 589         .cleanup = hw_cleanup,
 590         .scan = hw_scan,
 591         .dev_list = hw_dev_list,
 592         .dev_clear = clear_instances,
 593         .dev_open = hw_dev_open,
 594         .dev_close = hw_dev_close,
 595         .info_get = hw_info_get,
 596         .dev_config_set = hw_dev_config_set,
 597         .dev_acquisition_start = hw_dev_acquisition_start,
 598         .dev_acquisition_stop = hw_dev_acquisition_stop,
 599         .priv = NULL,
 600 };
 601
 602 SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = {
 603         .name = "peaktech-3410",
 604         .longname = "PeakTech 3410",
 605         .api_version = 1,
 606         .init = hw_init_peaktech_3410,
 607         .cleanup = hw_cleanup,
 608         .scan = hw_scan,
 609         .dev_list = hw_dev_list,
 610         .dev_clear = clear_instances,
 611         .dev_open = hw_dev_open,
 612         .dev_close = hw_dev_close,
 613         .info_get = hw_info_get,
 614         .dev_config_set = hw_dev_config_set,
 615         .dev_acquisition_start = hw_dev_acquisition_start,
 616         .dev_acquisition_stop = hw_dev_acquisition_stop,
 617         .priv = NULL,
 618 };
 619
 620 SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = {
 621         .name = "mastech-mas345",
 622         .longname = "MASTECH MAS345",
 623         .api_version = 1,
 624         .init = hw_init_mastech_mas345,
 625         .cleanup = hw_cleanup,
 626         .scan = hw_scan,
 627         .dev_list = hw_dev_list,
 628         .dev_clear = clear_instances,
 629         .dev_open = hw_dev_open,
 630         .dev_close = hw_dev_close,
 631         .info_get = hw_info_get,
 632         .dev_config_set = hw_dev_config_set,
 633         .dev_acquisition_start = hw_dev_acquisition_start,
 634         .dev_acquisition_stop = hw_dev_acquisition_stop,
 635         .priv = NULL,
 636 };
 637
 638 SR_PRIV struct sr_dev_driver va_va18b_driver_info = {
 639         .name = "va-va18b",
 640         .longname = "V&A VA18B",
 641         .api_version = 1,
 642         .init = hw_init_va_va18b,
 643         .cleanup = hw_cleanup,
 644         .scan = hw_scan,
 645         .dev_list = hw_dev_list,
 646         .dev_clear = clear_instances,
 647         .dev_open = hw_dev_open,
 648         .dev_close = hw_dev_close,
 649         .info_get = hw_info_get,
 650         .dev_config_set = hw_dev_config_set,
 651         .dev_acquisition_start = hw_dev_acquisition_start,
 652         .dev_acquisition_stop = hw_dev_acquisition_stop,
 653         .priv = NULL,
 654 };
 655
 656 SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = {
 657         .name = "metex-m3640d",
 658         .longname = "Metex M-3640D",
 659         .api_version = 1,
 660         .init = hw_init_metex_m3640d,
 661         .cleanup = hw_cleanup,
 662         .scan = hw_scan,
 663         .dev_list = hw_dev_list,
 664         .dev_clear = clear_instances,
 665         .dev_open = hw_dev_open,
 666         .dev_close = hw_dev_close,
 667         .info_get = hw_info_get,
 668         .dev_config_set = hw_dev_config_set,
 669         .dev_acquisition_start = hw_dev_acquisition_start,
 670         .dev_acquisition_stop = hw_dev_acquisition_stop,
 671         .priv = NULL,
 672 };
 673
 674 SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = {
 675         .name = "peaktech-4370",
 676         .longname = "PeakTech 4370",
 677         .api_version = 1,
 678         .init = hw_init_peaktech_4370,
 679         .cleanup = hw_cleanup,
 680         .scan = hw_scan,
 681         .dev_list = hw_dev_list,
 682         .dev_clear = clear_instances,
 683         .dev_open = hw_dev_open,
 684         .dev_close = hw_dev_close,
 685         .info_get = hw_info_get,
 686         .dev_config_set = hw_dev_config_set,
 687         .dev_acquisition_start = hw_dev_acquisition_start,
 688         .dev_acquisition_stop = hw_dev_acquisition_stop,
 689         .priv = NULL,
 690 };