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 SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info;
  59 SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info;
  60 SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info;
  61
  62 static struct sr_dev_driver *di_dt4000zc = &digitek_dt4000zc_driver_info;
  63 static struct sr_dev_driver *di_tp4000zc = &tekpower_tp4000zc_driver_info;
  64 static struct sr_dev_driver *di_me31 = &metex_me31_driver_info;
  65 static struct sr_dev_driver *di_3410 = &peaktech_3410_driver_info;
  66 static struct sr_dev_driver *di_mas345 = &mastech_mas345_driver_info;
  67 static struct sr_dev_driver *di_va18b = &va_va18b_driver_info;
  68 static struct sr_dev_driver *di_m3640d = &metex_m3640d_driver_info;
  69 static struct sr_dev_driver *di_4370 = &peaktech_4370_driver_info;
  70 static struct sr_dev_driver *di_pce_dm32 = &pce_pce_dm32_driver_info;
  71 static struct sr_dev_driver *di_22_168 = &radioshack_22_168_driver_info;
  72 static struct sr_dev_driver *di_22_812 = &radioshack_22_812_driver_info;
  73
  74 /* After hw_init() this will point to a device-specific entry (see above). */
  75 static struct sr_dev_driver *di = NULL;
  76
  77 SR_PRIV struct dmm_info dmms[] = {
  78         {
  79                 "Digitek", "DT4000ZC", "2400/8n1", 2400,
  80                 FS9721_PACKET_SIZE, NULL,
  81                 sr_fs9721_packet_valid, sr_fs9721_parse,
  82                 dmm_details_dt4000zc,
  83         },
  84         {
  85                 "TekPower", "TP4000ZC", "2400/8n1", 2400,
  86                 FS9721_PACKET_SIZE, NULL,
  87                 sr_fs9721_packet_valid, sr_fs9721_parse,
  88                 dmm_details_tp4000zc,
  89         },
  90         {
  91                 "Metex", "ME-31", "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                 "Peaktech", "3410", "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                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600,
 104                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 105                 sr_metex14_packet_valid, sr_metex14_parse,
 106                 NULL,
 107         },
 108         {
 109                 "V&A", "VA18B", "2400/8n1", 2400,
 110                 FS9721_PACKET_SIZE, NULL,
 111                 sr_fs9721_packet_valid, sr_fs9721_parse,
 112                 dmm_details_va18b,
 113         },
 114         {
 115                 "Metex", "M-3640D", "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                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200,
 122                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 123                 sr_metex14_packet_valid, sr_metex14_parse,
 124                 NULL,
 125         },
 126         {
 127                 "PCE", "PCE-DM32", "2400/8n1", 2400,
 128                 FS9721_PACKET_SIZE, NULL,
 129                 sr_fs9721_packet_valid, sr_fs9721_parse,
 130                 dmm_details_pce_dm32,
 131         },
 132         {
 133                 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200,
 134                 METEX14_PACKET_SIZE, sr_metex14_packet_request,
 135                 sr_metex14_packet_valid, sr_metex14_parse,
 136                 NULL,
 137         },
 138         {
 139                 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1", 4800,
 140                 RS9LCD_PACKET_SIZE, NULL,
 141                 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
 142                 NULL,
 143         },
 144 };
 145
 146 /* Properly close and free all devices. */
 147 static int clear_instances(void)
 148 {
 149         struct sr_dev_inst *sdi;
 150         struct drv_context *drvc;
 151         struct dev_context *devc;
 152         GSList *l;
 153
 154         if (!(drvc = di->priv))
 155                 return SR_OK;
 156
 157         drvc = di->priv;
 158         for (l = drvc->instances; l; l = l->next) {
 159                 if (!(sdi = l->data))
 160                         continue;
 161                 if (!(devc = sdi->priv))
 162                         continue;
 163                 sr_serial_dev_inst_free(devc->serial);
 164                 sr_dev_inst_free(sdi);
 165         }
 166         g_slist_free(drvc->instances);
 167         drvc->instances = NULL;
 168
 169         return SR_OK;
 170 }
 171
 172 static int hw_init(struct sr_context *sr_ctx, int dmm)
 173 {
 174         struct drv_context *drvc;
 175
 176         if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
 177                 sr_err("Driver context malloc failed.");
 178                 return SR_ERR_MALLOC;
 179         }
 180
 181         if (dmm == DIGITEK_DT4000ZC)
 182                 di = di_dt4000zc;
 183         if (dmm == TEKPOWER_TP4000ZC)
 184                 di = di_tp4000zc;
 185         if (dmm == METEX_ME31)
 186                 di = di_me31;
 187         if (dmm == PEAKTECH_3410)
 188                 di = di_3410;
 189         if (dmm == MASTECH_MAS345)
 190                 di = di_mas345;
 191         if (dmm == VA_VA18B)
 192                 di = di_va18b;
 193         if (dmm == METEX_M3640D)
 194                 di = di_m3640d;
 195         if (dmm == PEAKTECH_4370)
 196                 di = di_4370;
 197         if (dmm == PCE_PCE_DM32)
 198                 di = di_pce_dm32;
 199         if (dmm == RADIOSHACK_22_168)
 200                 di = di_22_168;
 201         if (dmm == RADIOSHACK_22_812)
 202                 di = di_22_812;
 203         sr_dbg("Selected '%s' subdriver.", di->name);
 204
 205         drvc->sr_ctx = sr_ctx;
 206         di->priv = drvc;
 207
 208         return SR_OK;
 209 }
 210
 211 static int hw_init_digitek_dt4000zc(struct sr_context *sr_ctx)
 212 {
 213         return hw_init(sr_ctx, DIGITEK_DT4000ZC);
 214 }
 215
 216 static int hw_init_tekpower_tp4000zc(struct sr_context *sr_ctx)
 217 {
 218         return hw_init(sr_ctx, TEKPOWER_TP4000ZC);
 219 }
 220
 221 static int hw_init_metex_me31(struct sr_context *sr_ctx)
 222 {
 223         return hw_init(sr_ctx, METEX_ME31);
 224 }
 225
 226 static int hw_init_peaktech_3410(struct sr_context *sr_ctx)
 227 {
 228         return hw_init(sr_ctx, PEAKTECH_3410);
 229 }
 230
 231 static int hw_init_mastech_mas345(struct sr_context *sr_ctx)
 232 {
 233         return hw_init(sr_ctx, MASTECH_MAS345);
 234 }
 235
 236 static int hw_init_va_va18b(struct sr_context *sr_ctx)
 237 {
 238         return hw_init(sr_ctx, VA_VA18B);
 239 }
 240
 241 static int hw_init_metex_m3640d(struct sr_context *sr_ctx)
 242 {
 243         return hw_init(sr_ctx, METEX_M3640D);
 244 }
 245
 246 static int hw_init_peaktech_4370(struct sr_context *sr_ctx)
 247 {
 248         return hw_init(sr_ctx, PEAKTECH_4370);
 249 }
 250
 251 static int hw_init_pce_pce_dm32(struct sr_context *sr_ctx)
 252 {
 253         return hw_init(sr_ctx, PCE_PCE_DM32);
 254 }
 255
 256 static int hw_init_radioshack_22_168(struct sr_context *sr_ctx)
 257 {
 258         return hw_init(sr_ctx, RADIOSHACK_22_168);
 259 }
 260
 261 static int hw_init_radioshack_22_812(struct sr_context *sr_ctx)
 262 {
 263         return hw_init(sr_ctx, RADIOSHACK_22_812);
 264 }
 265
 266 static GSList *scan(const char *conn, const char *serialcomm, int dmm)
 267 {
 268         struct sr_dev_inst *sdi;
 269         struct drv_context *drvc;
 270         struct dev_context *devc;
 271         struct sr_probe *probe;
 272         struct sr_serial_dev_inst *serial;
 273         GSList *devices;
 274         int dropped, ret;
 275         size_t len;
 276         uint8_t buf[128];
 277
 278         if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
 279                 return NULL;
 280
 281         if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 282                 return NULL;
 283
 284         sr_info("Probing port %s.", conn);
 285
 286         drvc = di->priv;
 287         devices = NULL;
 288         serial_flush(serial);
 289
 290         /*
 291          * There's no way to get an ID from the multimeter. It just sends data
 292          * periodically, so the best we can do is check if the packets match
 293          * the expected format.
 294          */
 295
 296         /* Let's get a bit of data and see if we can find a packet. */
 297         len = sizeof(buf);
 298
 299         /* Request a packet if the DMM requires this. */
 300         if (dmms[dmm].packet_request) {
 301                 if ((ret = dmms[dmm].packet_request(serial)) < 0) {
 302                         sr_err("Failed to request packet: %d.", ret);
 303                         return FALSE;
 304                 }
 305         }
 306
 307         ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size,
 308                                    dmms[dmm].packet_valid, 1000,
 309                                    dmms[dmm].baudrate);
 310         if (ret != SR_OK)
 311                 goto scan_cleanup;
 312
 313         /*
 314          * If we dropped more than two packets worth of data, something is
 315          * wrong. We shouldn't quit however, since the dropped bytes might be
 316          * just zeroes at the beginning of the stream. Those can occur as a
 317          * combination of the nonstandard cable that ships with this device and
 318          * the serial port or USB to serial adapter.
 319          */
 320         dropped = len - dmms[dmm].packet_size;
 321         if (dropped > 2 * dmms[dmm].packet_size)
 322                 sr_warn("Had to drop too much data.");
 323
 324         sr_info("Found device on port %s.", conn);
 325
 326         if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor,
 327                                     dmms[dmm].device, "")))
 328                 goto scan_cleanup;
 329
 330         if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
 331                 sr_err("Device context malloc failed.");
 332                 goto scan_cleanup;
 333         }
 334
 335         devc->serial = serial;
 336
 337         sdi->priv = devc;
 338         sdi->driver = di;
 339         if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
 340                 goto scan_cleanup;
 341         sdi->probes = g_slist_append(sdi->probes, probe);
 342         drvc->instances = g_slist_append(drvc->instances, sdi);
 343         devices = g_slist_append(devices, sdi);
 344
 345 scan_cleanup:
 346         serial_close(serial);
 347
 348         return devices;
 349 }
 350
 351 static GSList *hw_scan(GSList *options)
 352 {
 353         struct sr_hwopt *opt;
 354         GSList *l, *devices;
 355         const char *conn, *serialcomm;
 356         int dmm;
 357
 358         conn = serialcomm = NULL;
 359         for (l = options; l; l = l->next) {
 360                 opt = l->data;
 361                 switch (opt->hwopt) {
 362                 case SR_HWOPT_CONN:
 363                         conn = opt->value;
 364                         break;
 365                 case SR_HWOPT_SERIALCOMM:
 366                         serialcomm = opt->value;
 367                         break;
 368                 }
 369         }
 370         if (!conn)
 371                 return NULL;
 372
 373         if (!strcmp(di->name, "digitek-dt4000zc"))
 374                 dmm = 0;
 375         if (!strcmp(di->name, "tekpower-tp4000zc"))
 376                 dmm = 1;
 377         if (!strcmp(di->name, "metex-me31"))
 378                 dmm = 2;
 379         if (!strcmp(di->name, "peaktech-3410"))
 380                 dmm = 3;
 381         if (!strcmp(di->name, "mastech-mas345"))
 382                 dmm = 4;
 383         if (!strcmp(di->name, "va-va18b"))
 384                 dmm = 5;
 385         if (!strcmp(di->name, "metex-m3640d"))
 386                 dmm = 6;
 387         if (!strcmp(di->name, "peaktech-4370"))
 388                 dmm = 7;
 389         if (!strcmp(di->name, "pce-pce-dm32"))
 390                 dmm = 8;
 391         if (!strcmp(di->name, "radioshack-22-168"))
 392                 dmm = 9;
 393         if (!strcmp(di->name, "radioshack-22-812"))
 394                 dmm = 10;
 395
 396         if (serialcomm) {
 397                 /* Use the provided comm specs. */
 398                 devices = scan(conn, serialcomm, dmm);
 399         } else {
 400                 /* Try the default. */
 401                 devices = scan(conn, dmms[dmm].conn, dmm);
 402         }
 403
 404         return devices;
 405 }
 406
 407 static GSList *hw_dev_list(void)
 408 {
 409         struct drv_context *drvc;
 410
 411         drvc = di->priv;
 412
 413         return drvc->instances;
 414 }
 415
 416 static int hw_dev_open(struct sr_dev_inst *sdi)
 417 {
 418         struct dev_context *devc;
 419
 420         if (!(devc = sdi->priv)) {
 421                 sr_err("sdi->priv was NULL.");
 422                 return SR_ERR_BUG;
 423         }
 424
 425         if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
 426                 return SR_ERR;
 427
 428         sdi->status = SR_ST_ACTIVE;
 429
 430         return SR_OK;
 431 }
 432
 433 static int hw_dev_close(struct sr_dev_inst *sdi)
 434 {
 435         struct dev_context *devc;
 436
 437         if (!(devc = sdi->priv)) {
 438                 sr_err("sdi->priv was NULL.");
 439                 return SR_ERR_BUG;
 440         }
 441
 442         if (devc->serial && devc->serial->fd != -1) {
 443                 serial_close(devc->serial);
 444                 sdi->status = SR_ST_INACTIVE;
 445         }
 446
 447         return SR_OK;
 448 }
 449
 450 static int hw_cleanup(void)
 451 {
 452         clear_instances();
 453
 454         return SR_OK;
 455 }
 456
 457 static int hw_info_get(int info_id, const void **data,
 458                        const struct sr_dev_inst *sdi)
 459 {
 460         (void)sdi;
 461
 462         switch (info_id) {
 463         case SR_DI_HWOPTS:
 464                 *data = hwopts;
 465                 break;
 466         case SR_DI_HWCAPS:
 467                 *data = hwcaps;
 468                 break;
 469         case SR_DI_NUM_PROBES:
 470                 *data = GINT_TO_POINTER(1);
 471                 break;
 472         case SR_DI_PROBE_NAMES:
 473                 *data = probe_names;
 474                 break;
 475         default:
 476                 return SR_ERR_ARG;
 477         }
 478
 479         return SR_OK;
 480 }
 481
 482 static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 483                              const void *value)
 484 {
 485         struct dev_context *devc;
 486
 487         if (sdi->status != SR_ST_ACTIVE)
 488                 return SR_ERR;
 489
 490         if (!(devc = sdi->priv)) {
 491                 sr_err("sdi->priv was NULL.");
 492                 return SR_ERR_BUG;
 493         }
 494
 495         switch (hwcap) {
 496         case SR_HWCAP_LIMIT_SAMPLES:
 497                 devc->limit_samples = *(const uint64_t *)value;
 498                 sr_dbg("Setting sample limit to %" PRIu64 ".",
 499                        devc->limit_samples);
 500                 break;
 501         default:
 502                 sr_err("Unknown capability: %d.", hwcap);
 503                 return SR_ERR;
 504                 break;
 505         }
 506
 507         return SR_OK;
 508 }
 509
 510 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 511                                     void *cb_data)
 512 {
 513         struct sr_datafeed_packet packet;
 514         struct sr_datafeed_header header;
 515         struct sr_datafeed_meta_analog meta;
 516         struct dev_context *devc;
 517         int (*receive_data)(int, int, void *) = NULL;
 518
 519         if (!(devc = sdi->priv)) {
 520                 sr_err("sdi->priv was NULL.");
 521                 return SR_ERR_BUG;
 522         }
 523
 524         sr_dbg("Starting acquisition.");
 525
 526         devc->cb_data = cb_data;
 527
 528         /*
 529          * Reset the number of samples to take. If we've already collected our
 530          * quota, but we start a new session, and don't reset this, we'll just
 531          * quit without acquiring any new samples.
 532          */
 533         devc->num_samples = 0;
 534
 535         /* Send header packet to the session bus. */
 536         sr_dbg("Sending SR_DF_HEADER.");
 537         packet.type = SR_DF_HEADER;
 538         packet.payload = (uint8_t *)&header;
 539         header.feed_version = 1;
 540         gettimeofday(&header.starttime, NULL);
 541         sr_session_send(devc->cb_data, &packet);
 542
 543         /* Send metadata about the SR_DF_ANALOG packets to come. */
 544         sr_dbg("Sending SR_DF_META_ANALOG.");
 545         packet.type = SR_DF_META_ANALOG;
 546         packet.payload = &meta;
 547         meta.num_probes = 1;
 548         sr_session_send(devc->cb_data, &packet);
 549
 550         if (!strcmp(di->name, "digitek-dt4000zc"))
 551                 receive_data = digitek_dt4000zc_receive_data;
 552         if (!strcmp(di->name, "tekpower-tp4000zc"))
 553                 receive_data = tekpower_tp4000zc_receive_data;
 554         if (!strcmp(di->name, "metex-me31"))
 555                 receive_data = metex_me31_receive_data;
 556         if (!strcmp(di->name, "peaktech-3410"))
 557                 receive_data = peaktech_3410_receive_data;
 558         if (!strcmp(di->name, "mastech-mas345"))
 559                 receive_data = mastech_mas345_receive_data;
 560         if (!strcmp(di->name, "va-va18b"))
 561                 receive_data = va_va18b_receive_data;
 562         if (!strcmp(di->name, "metex-m3640d"))
 563                 receive_data = metex_m3640d_receive_data;
 564         if (!strcmp(di->name, "peaktech-4370"))
 565                 receive_data = peaktech_4370_receive_data;
 566         if (!strcmp(di->name, "pce-pce-dm32"))
 567                 receive_data = pce_pce_dm32_receive_data;
 568         if (!strcmp(di->name, "radioshack-22-168"))
 569                 receive_data = radioshack_22_168_receive_data;
 570         if (!strcmp(di->name, "radioshack-22-812"))
 571                 receive_data = radioshack_22_812_receive_data;
 572
 573         /* Poll every 50ms, or whenever some data comes in. */
 574         sr_source_add(devc->serial->fd, G_IO_IN, 50,
 575                       receive_data, (void *)sdi);
 576
 577         return SR_OK;
 578 }
 579
 580 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 581 {
 582         struct sr_datafeed_packet packet;
 583         struct dev_context *devc;
 584
 585         if (sdi->status != SR_ST_ACTIVE)
 586                 return SR_ERR;
 587
 588         if (!(devc = sdi->priv)) {
 589                 sr_err("sdi->priv was NULL.");
 590                 return SR_ERR_BUG;
 591         }
 592
 593         sr_dbg("Stopping acquisition.");
 594
 595         sr_source_remove(devc->serial->fd);
 596         hw_dev_close((struct sr_dev_inst *)sdi);
 597
 598         /* Send end packet to the session bus. */
 599         sr_dbg("Sending SR_DF_END.");
 600         packet.type = SR_DF_END;
 601         sr_session_send(cb_data, &packet);
 602
 603         return SR_OK;
 604 }
 605
 606 SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = {
 607         .name = "digitek-dt4000zc",
 608         .longname = "Digitek DT4000ZC",
 609         .api_version = 1,
 610         .init = hw_init_digitek_dt4000zc,
 611         .cleanup = hw_cleanup,
 612         .scan = hw_scan,
 613         .dev_list = hw_dev_list,
 614         .dev_clear = clear_instances,
 615         .dev_open = hw_dev_open,
 616         .dev_close = hw_dev_close,
 617         .info_get = hw_info_get,
 618         .dev_config_set = hw_dev_config_set,
 619         .dev_acquisition_start = hw_dev_acquisition_start,
 620         .dev_acquisition_stop = hw_dev_acquisition_stop,
 621         .priv = NULL,
 622 };
 623
 624 SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = {
 625         .name = "tekpower-tp4000zc",
 626         .longname = "TekPower TP4000ZC",
 627         .api_version = 1,
 628         .init = hw_init_tekpower_tp4000zc,
 629         .cleanup = hw_cleanup,
 630         .scan = hw_scan,
 631         .dev_list = hw_dev_list,
 632         .dev_clear = clear_instances,
 633         .dev_open = hw_dev_open,
 634         .dev_close = hw_dev_close,
 635         .info_get = hw_info_get,
 636         .dev_config_set = hw_dev_config_set,
 637         .dev_acquisition_start = hw_dev_acquisition_start,
 638         .dev_acquisition_stop = hw_dev_acquisition_stop,
 639         .priv = NULL,
 640 };
 641
 642 SR_PRIV struct sr_dev_driver metex_me31_driver_info = {
 643         .name = "metex-me31",
 644         .longname = "Metex ME-31",
 645         .api_version = 1,
 646         .init = hw_init_metex_me31,
 647         .cleanup = hw_cleanup,
 648         .scan = hw_scan,
 649         .dev_list = hw_dev_list,
 650         .dev_clear = clear_instances,
 651         .dev_open = hw_dev_open,
 652         .dev_close = hw_dev_close,
 653         .info_get = hw_info_get,
 654         .dev_config_set = hw_dev_config_set,
 655         .dev_acquisition_start = hw_dev_acquisition_start,
 656         .dev_acquisition_stop = hw_dev_acquisition_stop,
 657         .priv = NULL,
 658 };
 659
 660 SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = {
 661         .name = "peaktech-3410",
 662         .longname = "PeakTech 3410",
 663         .api_version = 1,
 664         .init = hw_init_peaktech_3410,
 665         .cleanup = hw_cleanup,
 666         .scan = hw_scan,
 667         .dev_list = hw_dev_list,
 668         .dev_clear = clear_instances,
 669         .dev_open = hw_dev_open,
 670         .dev_close = hw_dev_close,
 671         .info_get = hw_info_get,
 672         .dev_config_set = hw_dev_config_set,
 673         .dev_acquisition_start = hw_dev_acquisition_start,
 674         .dev_acquisition_stop = hw_dev_acquisition_stop,
 675         .priv = NULL,
 676 };
 677
 678 SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = {
 679         .name = "mastech-mas345",
 680         .longname = "MASTECH MAS345",
 681         .api_version = 1,
 682         .init = hw_init_mastech_mas345,
 683         .cleanup = hw_cleanup,
 684         .scan = hw_scan,
 685         .dev_list = hw_dev_list,
 686         .dev_clear = clear_instances,
 687         .dev_open = hw_dev_open,
 688         .dev_close = hw_dev_close,
 689         .info_get = hw_info_get,
 690         .dev_config_set = hw_dev_config_set,
 691         .dev_acquisition_start = hw_dev_acquisition_start,
 692         .dev_acquisition_stop = hw_dev_acquisition_stop,
 693         .priv = NULL,
 694 };
 695
 696 SR_PRIV struct sr_dev_driver va_va18b_driver_info = {
 697         .name = "va-va18b",
 698         .longname = "V&A VA18B",
 699         .api_version = 1,
 700         .init = hw_init_va_va18b,
 701         .cleanup = hw_cleanup,
 702         .scan = hw_scan,
 703         .dev_list = hw_dev_list,
 704         .dev_clear = clear_instances,
 705         .dev_open = hw_dev_open,
 706         .dev_close = hw_dev_close,
 707         .info_get = hw_info_get,
 708         .dev_config_set = hw_dev_config_set,
 709         .dev_acquisition_start = hw_dev_acquisition_start,
 710         .dev_acquisition_stop = hw_dev_acquisition_stop,
 711         .priv = NULL,
 712 };
 713
 714 SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = {
 715         .name = "metex-m3640d",
 716         .longname = "Metex M-3640D",
 717         .api_version = 1,
 718         .init = hw_init_metex_m3640d,
 719         .cleanup = hw_cleanup,
 720         .scan = hw_scan,
 721         .dev_list = hw_dev_list,
 722         .dev_clear = clear_instances,
 723         .dev_open = hw_dev_open,
 724         .dev_close = hw_dev_close,
 725         .info_get = hw_info_get,
 726         .dev_config_set = hw_dev_config_set,
 727         .dev_acquisition_start = hw_dev_acquisition_start,
 728         .dev_acquisition_stop = hw_dev_acquisition_stop,
 729         .priv = NULL,
 730 };
 731
 732 SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = {
 733         .name = "peaktech-4370",
 734         .longname = "PeakTech 4370",
 735         .api_version = 1,
 736         .init = hw_init_peaktech_4370,
 737         .cleanup = hw_cleanup,
 738         .scan = hw_scan,
 739         .dev_list = hw_dev_list,
 740         .dev_clear = clear_instances,
 741         .dev_open = hw_dev_open,
 742         .dev_close = hw_dev_close,
 743         .info_get = hw_info_get,
 744         .dev_config_set = hw_dev_config_set,
 745         .dev_acquisition_start = hw_dev_acquisition_start,
 746         .dev_acquisition_stop = hw_dev_acquisition_stop,
 747         .priv = NULL,
 748 };
 749
 750 SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info = {
 751         .name = "pce-pce-dm32",
 752         .longname = "PCE PCE-DM32",
 753         .api_version = 1,
 754         .init = hw_init_pce_pce_dm32,
 755         .cleanup = hw_cleanup,
 756         .scan = hw_scan,
 757         .dev_list = hw_dev_list,
 758         .dev_clear = clear_instances,
 759         .dev_open = hw_dev_open,
 760         .dev_close = hw_dev_close,
 761         .info_get = hw_info_get,
 762         .dev_config_set = hw_dev_config_set,
 763         .dev_acquisition_start = hw_dev_acquisition_start,
 764         .dev_acquisition_stop = hw_dev_acquisition_stop,
 765         .priv = NULL,
 766 };
 767
 768 SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info = {
 769         .name = "radioshack-22-168",
 770         .longname = "RadioShack 22-168",
 771         .api_version = 1,
 772         .init = hw_init_radioshack_22_168,
 773         .cleanup = hw_cleanup,
 774         .scan = hw_scan,
 775         .dev_list = hw_dev_list,
 776         .dev_clear = clear_instances,
 777         .dev_open = hw_dev_open,
 778         .dev_close = hw_dev_close,
 779         .info_get = hw_info_get,
 780         .dev_config_set = hw_dev_config_set,
 781         .dev_acquisition_start = hw_dev_acquisition_start,
 782         .dev_acquisition_stop = hw_dev_acquisition_stop,
 783         .priv = NULL,
 784 };
 785
 786 SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info = {
 787         .name = "radioshack-22-812",
 788         .longname = "RadioShack 22-812",
 789         .api_version = 1,
 790         .init = hw_init_radioshack_22_812,
 791         .cleanup = hw_cleanup,
 792         .scan = hw_scan,
 793         .dev_list = hw_dev_list,
 794         .dev_clear = clear_instances,
 795         .dev_open = hw_dev_open,
 796         .dev_close = hw_dev_close,
 797         .info_get = hw_info_get,
 798         .dev_config_set = hw_dev_config_set,
 799         .dev_acquisition_start = hw_dev_acquisition_start,
 800         .dev_acquisition_stop = hw_dev_acquisition_stop,
 801         .priv = NULL,
 802 };