src/hardware/fx2lafw/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
   5  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "protocol.h"
  22
  23 static const struct fx2lafw_profile supported_fx2[] = {
  24         /*
  25          * CWAV USBee AX
  26          * EE Electronics ESLA201A
  27          * ARMFLY AX-Pro
  28          */
  29         { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL,
  30                 FIRMWARE_DIR "/fx2lafw-cwav-usbeeax.fw",
  31                 0, NULL, NULL},
  32         /*
  33          * CWAV USBee DX
  34          * XZL-Studio DX
  35          */
  36         { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL,
  37                 FIRMWARE_DIR "/fx2lafw-cwav-usbeedx.fw",
  38                 DEV_CAPS_16BIT, NULL, NULL },
  39
  40         /*
  41          * CWAV USBee SX
  42          */
  43         { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL,
  44                 FIRMWARE_DIR "/fx2lafw-cwav-usbeesx.fw",
  45                 0, NULL, NULL},
  46
  47         /*
  48          * Saleae Logic
  49          * EE Electronics ESLA100
  50          * Robomotic MiniLogic
  51          * Robomotic BugLogic 3
  52          */
  53         { 0x0925, 0x3881, "Saleae", "Logic", NULL,
  54                 FIRMWARE_DIR "/fx2lafw-saleae-logic.fw",
  55                 0, NULL, NULL},
  56
  57         /*
  58          * Default Cypress FX2 without EEPROM, e.g.:
  59          * Lcsoft Mini Board
  60          * Braintechnology USB Interface V2.x
  61          */
  62         { 0x04B4, 0x8613, "Cypress", "FX2", NULL,
  63                 FIRMWARE_DIR "/fx2lafw-cypress-fx2.fw",
  64                 DEV_CAPS_16BIT, NULL, NULL },
  65
  66         /*
  67          * Braintechnology USB-LPS
  68          */
  69         { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL,
  70                 FIRMWARE_DIR "/fx2lafw-braintechnology-usb-lps.fw",
  71                 DEV_CAPS_16BIT, NULL, NULL },
  72
  73         { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
  74 };
  75
  76 static const uint32_t scanopts[] = {
  77         SR_CONF_CONN,
  78 };
  79
  80 static const uint32_t devopts[] = {
  81         SR_CONF_LOGIC_ANALYZER,
  82         SR_CONF_CONTINUOUS,
  83         SR_CONF_CONN | SR_CONF_GET,
  84         SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
  85         SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
  86         SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
  87 };
  88
  89 static const char *channel_names[] = {
  90         "0",  "1",  "2",  "3",  "4",  "5",  "6",  "7",
  91         "8",  "9", "10", "11", "12", "13", "14", "15",
  92         NULL,
  93 };
  94
  95 static const int32_t soft_trigger_matches[] = {
  96         SR_TRIGGER_ZERO,
  97         SR_TRIGGER_ONE,
  98         SR_TRIGGER_RISING,
  99         SR_TRIGGER_FALLING,
 100         SR_TRIGGER_EDGE,
 101 };
 102
 103 static const uint64_t samplerates[] = {
 104         SR_KHZ(20),
 105         SR_KHZ(25),
 106         SR_KHZ(50),
 107         SR_KHZ(100),
 108         SR_KHZ(200),
 109         SR_KHZ(250),
 110         SR_KHZ(500),
 111         SR_MHZ(1),
 112         SR_MHZ(2),
 113         SR_MHZ(3),
 114         SR_MHZ(4),
 115         SR_MHZ(6),
 116         SR_MHZ(8),
 117         SR_MHZ(12),
 118         SR_MHZ(16),
 119         SR_MHZ(24),
 120 };
 121
 122 SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
 123 static struct sr_dev_driver *di = &fx2lafw_driver_info;
 124
 125 static int init(struct sr_context *sr_ctx)
 126 {
 127         return std_init(sr_ctx, di, LOG_PREFIX);
 128 }
 129
 130 static GSList *scan(GSList *options)
 131 {
 132         struct drv_context *drvc;
 133         struct dev_context *devc;
 134         struct sr_dev_inst *sdi;
 135         struct sr_usb_dev_inst *usb;
 136         struct sr_channel *ch;
 137         struct sr_config *src;
 138         const struct fx2lafw_profile *prof;
 139         GSList *l, *devices, *conn_devices;
 140         struct libusb_device_descriptor des;
 141         libusb_device **devlist;
 142         struct libusb_device_handle *hdl;
 143         int num_logic_channels, ret, i, j;
 144         const char *conn;
 145         char manufacturer[64], product[64], serial_num[64], connection_id[64];
 146
 147         drvc = di->priv;
 148
 149         conn = NULL;
 150         for (l = options; l; l = l->next) {
 151                 src = l->data;
 152                 switch (src->key) {
 153                 case SR_CONF_CONN:
 154                         conn = g_variant_get_string(src->data, NULL);
 155                         break;
 156                 }
 157         }
 158         if (conn)
 159                 conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
 160         else
 161                 conn_devices = NULL;
 162
 163         /* Find all fx2lafw compatible devices and upload firmware to them. */
 164         devices = NULL;
 165         libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
 166         for (i = 0; devlist[i]; i++) {
 167                 if (conn) {
 168                         usb = NULL;
 169                         for (l = conn_devices; l; l = l->next) {
 170                                 usb = l->data;
 171                                 if (usb->bus == libusb_get_bus_number(devlist[i])
 172                                         && usb->address == libusb_get_device_address(devlist[i]))
 173                                         break;
 174                         }
 175                         if (!l)
 176                                 /* This device matched none of the ones that
 177                                  * matched the conn specification. */
 178                                 continue;
 179                 }
 180
 181                 if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) {
 182                         sr_warn("Failed to get device descriptor: %s.",
 183                                 libusb_error_name(ret));
 184                         continue;
 185                 }
 186
 187                 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
 188                         continue;
 189
 190                 if (des.iManufacturer == 0) {
 191                         manufacturer[0] = '\0';
 192                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 193                                 des.iManufacturer, (unsigned char *) manufacturer,
 194                                 sizeof(manufacturer))) < 0) {
 195                         sr_warn("Failed to get manufacturer string descriptor: %s.",
 196                                 libusb_error_name(ret));
 197                         continue;
 198                 }
 199
 200                 if (des.iProduct == 0) {
 201                         product[0] = '\0';
 202                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 203                                 des.iProduct, (unsigned char *) product,
 204                                 sizeof(product))) < 0) {
 205                         sr_warn("Failed to get product string descriptor: %s.",
 206                                 libusb_error_name(ret));
 207                         continue;
 208                 }
 209
 210                 if (des.iSerialNumber == 0) {
 211                         serial_num[0] = '\0';
 212                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 213                                 des.iSerialNumber, (unsigned char *) serial_num,
 214                                 sizeof(serial_num))) < 0) {
 215                         sr_warn("Failed to get serial number string descriptor: %s.",
 216                                 libusb_error_name(ret));
 217                         continue;
 218                 }
 219
 220                 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
 221
 222                 libusb_close(hdl);
 223
 224                 prof = NULL;
 225                 for (j = 0; supported_fx2[j].vid; j++) {
 226                         if (des.idVendor == supported_fx2[j].vid &&
 227                                         des.idProduct == supported_fx2[j].pid &&
 228                                         (!supported_fx2[j].usb_manufacturer ||
 229                                          !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) &&
 230                                         (!supported_fx2[j].usb_manufacturer ||
 231                                          !strcmp(product, supported_fx2[j].usb_product))) {
 232                                 prof = &supported_fx2[j];
 233                                 break;
 234                         }
 235                 }
 236
 237                 /* Skip if the device was not found. */
 238                 if (!prof)
 239                         continue;
 240
 241                 sdi = sr_dev_inst_new(SR_ST_INITIALIZING,
 242                         prof->vendor, prof->model, prof->model_version);
 243                 if (!sdi)
 244                         return NULL;
 245                 sdi->driver = di;
 246                 sdi->serial_num = g_strdup(serial_num);
 247                 sdi->connection_id = g_strdup(connection_id);
 248
 249                 /* Fill in channellist according to this device's profile. */
 250                 num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
 251                 for (j = 0; j < num_logic_channels; j++) {
 252                         if (!(ch = sr_channel_new(j, SR_CHANNEL_LOGIC, TRUE,
 253                                         channel_names[j])))
 254                                 return NULL;
 255                         sdi->channels = g_slist_append(sdi->channels, ch);
 256                 }
 257
 258                 devc = fx2lafw_dev_new();
 259                 devc->profile = prof;
 260                 devc->sample_wide = (prof->dev_caps & DEV_CAPS_16BIT) != 0;
 261                 sdi->priv = devc;
 262                 drvc->instances = g_slist_append(drvc->instances, sdi);
 263                 devices = g_slist_append(devices, sdi);
 264
 265                 if (fx2lafw_check_conf_profile(devlist[i])) {
 266                         /* Already has the firmware, so fix the new address. */
 267                         sr_dbg("Found an fx2lafw device.");
 268                         sdi->status = SR_ST_INACTIVE;
 269                         sdi->inst_type = SR_INST_USB;
 270                         sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
 271                                         libusb_get_device_address(devlist[i]), NULL);
 272                 } else {
 273                         if (ezusb_upload_firmware(devlist[i], USB_CONFIGURATION,
 274                                 prof->firmware) == SR_OK)
 275                                 /* Store when this device's FW was updated. */
 276                                 devc->fw_updated = g_get_monotonic_time();
 277                         else
 278                                 sr_err("Firmware upload failed for "
 279                                        "device %d.%d (logical).",
 280                                        libusb_get_bus_number(devlist[i]),
 281                                        libusb_get_device_address(devlist[i]));
 282                         sdi->inst_type = SR_INST_USB;
 283                         sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
 284                                         0xff, NULL);
 285                 }
 286         }
 287         libusb_free_device_list(devlist, 1);
 288         g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
 289
 290         return devices;
 291 }
 292
 293 static GSList *dev_list(void)
 294 {
 295         return ((struct drv_context *)(di->priv))->instances;
 296 }
 297
 298 static int dev_open(struct sr_dev_inst *sdi)
 299 {
 300         struct sr_usb_dev_inst *usb;
 301         struct dev_context *devc;
 302         int ret;
 303         int64_t timediff_us, timediff_ms;
 304
 305         devc = sdi->priv;
 306         usb = sdi->conn;
 307
 308         /*
 309          * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS
 310          * milliseconds for the FX2 to renumerate.
 311          */
 312         ret = SR_ERR;
 313         if (devc->fw_updated > 0) {
 314                 sr_info("Waiting for device to reset.");
 315                 /* Takes >= 300ms for the FX2 to be gone from the USB bus. */
 316                 g_usleep(300 * 1000);
 317                 timediff_ms = 0;
 318                 while (timediff_ms < MAX_RENUM_DELAY_MS) {
 319                         if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK)
 320                                 break;
 321                         g_usleep(100 * 1000);
 322
 323                         timediff_us = g_get_monotonic_time() - devc->fw_updated;
 324                         timediff_ms = timediff_us / 1000;
 325                         sr_spew("Waited %" PRIi64 "ms.", timediff_ms);
 326                 }
 327                 if (ret != SR_OK) {
 328                         sr_err("Device failed to renumerate.");
 329                         return SR_ERR;
 330                 }
 331                 sr_info("Device came back after %" PRIi64 "ms.", timediff_ms);
 332         } else {
 333                 sr_info("Firmware upload was not needed.");
 334                 ret = fx2lafw_dev_open(sdi, di);
 335         }
 336
 337         if (ret != SR_OK) {
 338                 sr_err("Unable to open device.");
 339                 return SR_ERR;
 340         }
 341
 342         ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
 343         if (ret != 0) {
 344                 switch (ret) {
 345                 case LIBUSB_ERROR_BUSY:
 346                         sr_err("Unable to claim USB interface. Another "
 347                                "program or driver has already claimed it.");
 348                         break;
 349                 case LIBUSB_ERROR_NO_DEVICE:
 350                         sr_err("Device has been disconnected.");
 351                         break;
 352                 default:
 353                         sr_err("Unable to claim interface: %s.",
 354                                libusb_error_name(ret));
 355                         break;
 356                 }
 357
 358                 return SR_ERR;
 359         }
 360
 361         if (devc->cur_samplerate == 0) {
 362                 /* Samplerate hasn't been set; default to the slowest one. */
 363                 devc->cur_samplerate = samplerates[0];
 364         }
 365
 366         return SR_OK;
 367 }
 368
 369 static int dev_close(struct sr_dev_inst *sdi)
 370 {
 371         struct sr_usb_dev_inst *usb;
 372
 373         usb = sdi->conn;
 374         if (usb->devhdl == NULL)
 375                 return SR_ERR;
 376
 377         sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.",
 378                 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
 379         libusb_release_interface(usb->devhdl, USB_INTERFACE);
 380         libusb_close(usb->devhdl);
 381         usb->devhdl = NULL;
 382         sdi->status = SR_ST_INACTIVE;
 383
 384         return SR_OK;
 385 }
 386
 387 static int cleanup(void)
 388 {
 389         int ret;
 390         struct drv_context *drvc;
 391
 392         if (!(drvc = di->priv))
 393                 return SR_OK;
 394
 395         ret = std_dev_clear(di, NULL);
 396
 397         g_free(drvc);
 398         di->priv = NULL;
 399
 400         return ret;
 401 }
 402
 403 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 404                 const struct sr_channel_group *cg)
 405 {
 406         struct dev_context *devc;
 407         struct sr_usb_dev_inst *usb;
 408         char str[128];
 409
 410         (void)cg;
 411
 412         if (!sdi)
 413                 return SR_ERR_ARG;
 414
 415         devc = sdi->priv;
 416
 417         switch (key) {
 418         case SR_CONF_CONN:
 419                 if (!sdi->conn)
 420                         return SR_ERR_ARG;
 421                 usb = sdi->conn;
 422                 if (usb->address == 255)
 423                         /* Device still needs to re-enumerate after firmware
 424                          * upload, so we don't know its (future) address. */
 425                         return SR_ERR;
 426                 snprintf(str, 128, "%d.%d", usb->bus, usb->address);
 427                 *data = g_variant_new_string(str);
 428                 break;
 429         case SR_CONF_LIMIT_SAMPLES:
 430                 *data = g_variant_new_uint64(devc->limit_samples);
 431                 break;
 432         case SR_CONF_SAMPLERATE:
 433                 *data = g_variant_new_uint64(devc->cur_samplerate);
 434                 break;
 435         default:
 436                 return SR_ERR_NA;
 437         }
 438
 439         return SR_OK;
 440 }
 441
 442 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
 443                 const struct sr_channel_group *cg)
 444 {
 445         struct dev_context *devc;
 446         uint64_t arg;
 447         unsigned int i;
 448         int ret;
 449
 450         (void)cg;
 451
 452         if (!sdi)
 453                 return SR_ERR_ARG;
 454
 455         if (sdi->status != SR_ST_ACTIVE)
 456                 return SR_ERR;
 457
 458         devc = sdi->priv;
 459
 460         ret = SR_OK;
 461
 462         switch (key) {
 463                 case SR_CONF_SAMPLERATE:
 464                         arg = g_variant_get_uint64(data);
 465                         for (i = 0; i < ARRAY_SIZE(samplerates); i++) {
 466                                 if (samplerates[i] == arg) {
 467                                         devc->cur_samplerate = arg;
 468                                         break;
 469                                 }
 470                         }
 471                         if (i == ARRAY_SIZE(samplerates))
 472                                 ret = SR_ERR_ARG;
 473                         break;
 474                 case SR_CONF_LIMIT_SAMPLES:
 475                         devc->limit_samples = g_variant_get_uint64(data);
 476                         break;
 477                 default:
 478                         ret = SR_ERR_NA;
 479         }
 480
 481         return ret;
 482 }
 483
 484 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 485                 const struct sr_channel_group *cg)
 486 {
 487         GVariant *gvar;
 488         GVariantBuilder gvb;
 489
 490         (void)sdi;
 491         (void)cg;
 492
 493         switch (key) {
 494         case SR_CONF_SCAN_OPTIONS:
 495                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 496                                 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
 497                 break;
 498         case SR_CONF_DEVICE_OPTIONS:
 499                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 500                                 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
 501                 break;
 502         case SR_CONF_SAMPLERATE:
 503                 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
 504                 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
 505                                 ARRAY_SIZE(samplerates), sizeof(uint64_t));
 506                 g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
 507                 *data = g_variant_builder_end(&gvb);
 508                 break;
 509         case SR_CONF_TRIGGER_MATCH:
 510                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 511                                 soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches),
 512                                 sizeof(int32_t));
 513                 break;
 514         default:
 515                 return SR_ERR_NA;
 516         }
 517
 518         return SR_OK;
 519 }
 520
 521 static int receive_data(int fd, int revents, void *cb_data)
 522 {
 523         struct timeval tv;
 524         struct drv_context *drvc;
 525
 526         (void)fd;
 527         (void)revents;
 528         (void)cb_data;
 529
 530         drvc = di->priv;
 531
 532         tv.tv_sec = tv.tv_usec = 0;
 533         libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
 534
 535         return TRUE;
 536 }
 537
 538 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 539 {
 540         struct dev_context *devc;
 541         struct drv_context *drvc;
 542         struct sr_usb_dev_inst *usb;
 543         struct sr_trigger *trigger;
 544         struct libusb_transfer *transfer;
 545         unsigned int i, timeout, num_transfers;
 546         int ret;
 547         unsigned char *buf;
 548         size_t size;
 549
 550         if (sdi->status != SR_ST_ACTIVE)
 551                 return SR_ERR_DEV_CLOSED;
 552
 553         drvc = di->priv;
 554         devc = sdi->priv;
 555         usb = sdi->conn;
 556
 557         devc->cb_data = cb_data;
 558         devc->sent_samples = 0;
 559         devc->acq_aborted = FALSE;
 560         devc->empty_transfer_count = 0;
 561
 562         if ((trigger = sr_session_trigger_get(sdi->session))) {
 563                 devc->stl = soft_trigger_logic_new(sdi, trigger);
 564                 devc->trigger_fired = FALSE;
 565         } else
 566                 devc->trigger_fired = TRUE;
 567
 568         timeout = fx2lafw_get_timeout(devc);
 569         num_transfers = fx2lafw_get_number_of_transfers(devc);
 570         size = fx2lafw_get_buffer_size(devc);
 571         devc->submitted_transfers = 0;
 572
 573         devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
 574         if (!devc->transfers) {
 575                 sr_err("USB transfers malloc failed.");
 576                 return SR_ERR_MALLOC;
 577         }
 578
 579         devc->num_transfers = num_transfers;
 580         for (i = 0; i < num_transfers; i++) {
 581                 if (!(buf = g_try_malloc(size))) {
 582                         sr_err("USB transfer buffer malloc failed.");
 583                         return SR_ERR_MALLOC;
 584                 }
 585                 transfer = libusb_alloc_transfer(0);
 586                 libusb_fill_bulk_transfer(transfer, usb->devhdl,
 587                                 2 | LIBUSB_ENDPOINT_IN, buf, size,
 588                                 fx2lafw_receive_transfer, (void *)sdi, timeout);
 589                 if ((ret = libusb_submit_transfer(transfer)) != 0) {
 590                         sr_err("Failed to submit transfer: %s.",
 591                                libusb_error_name(ret));
 592                         libusb_free_transfer(transfer);
 593                         g_free(buf);
 594                         fx2lafw_abort_acquisition(devc);
 595                         return SR_ERR;
 596                 }
 597                 devc->transfers[i] = transfer;
 598                 devc->submitted_transfers++;
 599         }
 600
 601         devc->ctx = drvc->sr_ctx;
 602
 603         usb_source_add(sdi->session, devc->ctx, timeout, receive_data, NULL);
 604
 605         /* Send header packet to the session bus. */
 606         std_session_send_df_header(cb_data, LOG_PREFIX);
 607
 608         if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) {
 609                 fx2lafw_abort_acquisition(devc);
 610                 return ret;
 611         }
 612
 613         return SR_OK;
 614 }
 615
 616 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 617 {
 618         (void)cb_data;
 619
 620         fx2lafw_abort_acquisition(sdi->priv);
 621
 622         return SR_OK;
 623 }
 624
 625 SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
 626         .name = "fx2lafw",
 627         .longname = "fx2lafw (generic driver for FX2 based LAs)",
 628         .api_version = 1,
 629         .init = init,
 630         .cleanup = cleanup,
 631         .scan = scan,
 632         .dev_list = dev_list,
 633         .dev_clear = NULL,
 634         .config_get = config_get,
 635         .config_set = config_set,
 636         .config_list = config_list,
 637         .dev_open = dev_open,
 638         .dev_close = dev_close,
 639         .dev_acquisition_start = dev_acquisition_start,
 640         .dev_acquisition_stop = dev_acquisition_stop,
 641         .priv = NULL,
 642 };