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 <config.h>
  22 #include "protocol.h"
  23 #include "dslogic.h"
  24 #include <math.h>
  25
  26 static const struct fx2lafw_profile supported_fx2[] = {
  27         /*
  28          * CWAV USBee AX
  29          * EE Electronics ESLA201A
  30          * ARMFLY AX-Pro
  31          */
  32         { 0x08a9, 0x0014, "CWAV", "USBee AX", NULL,
  33                 "fx2lafw-cwav-usbeeax.fw",
  34                 DEV_CAPS_AX_ANALOG, NULL, NULL},
  35         /*
  36          * CWAV USBee DX
  37          * XZL-Studio DX
  38          */
  39         { 0x08a9, 0x0015, "CWAV", "USBee DX", NULL,
  40                 "fx2lafw-cwav-usbeedx.fw",
  41                 DEV_CAPS_16BIT, NULL, NULL },
  42
  43         /*
  44          * CWAV USBee SX
  45          */
  46         { 0x08a9, 0x0009, "CWAV", "USBee SX", NULL,
  47                 "fx2lafw-cwav-usbeesx.fw",
  48                 0, NULL, NULL},
  49
  50         /* DreamSourceLab DSLogic (before FW upload) */
  51         { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
  52                 "dreamsourcelab-dslogic-fx2.fw",
  53                 DEV_CAPS_16BIT, NULL, NULL},
  54         /* DreamSourceLab DSLogic (after FW upload) */
  55         { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
  56                 "dreamsourcelab-dslogic-fx2.fw",
  57                 DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"},
  58
  59         /* DreamSourceLab DSCope (before FW upload) */
  60         { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
  61                 "dreamsourcelab-dscope-fx2.fw",
  62                 DEV_CAPS_16BIT, NULL, NULL},
  63         /* DreamSourceLab DSCope (after FW upload) */
  64         { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
  65                 "dreamsourcelab-dscope-fx2.fw",
  66                 DEV_CAPS_16BIT, "DreamSourceLab", "DSCope"},
  67
  68         /* DreamSourceLab DSLogic Pro (before FW upload) */
  69         { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
  70                 "dreamsourcelab-dslogic-pro-fx2.fw",
  71                 DEV_CAPS_16BIT, NULL, NULL},
  72         /* DreamSourceLab DSLogic Pro (after FW upload) */
  73         { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
  74                 "dreamsourcelab-dslogic-pro-fx2.fw",
  75                 DEV_CAPS_16BIT, "DreamSourceLab", "DSLogic"},
  76
  77         /*
  78          * Saleae Logic
  79          * EE Electronics ESLA100
  80          * Robomotic MiniLogic
  81          * Robomotic BugLogic 3
  82          */
  83         { 0x0925, 0x3881, "Saleae", "Logic", NULL,
  84                 "fx2lafw-saleae-logic.fw",
  85                 0, NULL, NULL},
  86
  87         /*
  88          * Default Cypress FX2 without EEPROM, e.g.:
  89          * Lcsoft Mini Board
  90          * Braintechnology USB Interface V2.x
  91          */
  92         { 0x04B4, 0x8613, "Cypress", "FX2", NULL,
  93                 "fx2lafw-cypress-fx2.fw",
  94                 DEV_CAPS_16BIT, NULL, NULL },
  95
  96         /*
  97          * Braintechnology USB-LPS
  98          */
  99         { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL,
 100                 "fx2lafw-braintechnology-usb-lps.fw",
 101                 DEV_CAPS_16BIT, NULL, NULL },
 102
 103         /*
 104          * sigrok FX2 based 8-channel logic analyzer
 105          */
 106         { 0x1d50, 0x608c, "sigrok", "FX2 LA (8ch)", NULL,
 107                 "fx2lafw-sigrok-fx2-8ch.fw",
 108                 0, NULL, NULL},
 109
 110         /*
 111          * sigrok FX2 based 16-channel logic analyzer
 112          */
 113         { 0x1d50, 0x608d, "sigrok", "FX2 LA (16ch)", NULL,
 114                 "fx2lafw-sigrok-fx2-16ch.fw",
 115                 DEV_CAPS_16BIT, NULL, NULL },
 116
 117         ALL_ZERO
 118 };
 119
 120 static const uint32_t drvopts[] = {
 121         SR_CONF_LOGIC_ANALYZER,
 122 };
 123
 124 static const uint32_t scanopts[] = {
 125         SR_CONF_CONN,
 126 };
 127
 128 static const uint32_t devopts[] = {
 129         SR_CONF_CONTINUOUS,
 130         SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 131         SR_CONF_CONN | SR_CONF_GET,
 132         SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 133         SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
 134         SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
 135 };
 136
 137 static const uint32_t dslogic_devopts[] = {
 138         SR_CONF_CONTINUOUS | SR_CONF_SET,
 139         SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 140         SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 141         SR_CONF_CONN | SR_CONF_GET,
 142         SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 143         SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
 144         SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
 145 };
 146
 147 static const int32_t soft_trigger_matches[] = {
 148         SR_TRIGGER_ZERO,
 149         SR_TRIGGER_ONE,
 150         SR_TRIGGER_RISING,
 151         SR_TRIGGER_FALLING,
 152         SR_TRIGGER_EDGE,
 153 };
 154
 155 static const struct {
 156         int range;
 157         gdouble low;
 158         gdouble high;
 159 } volt_thresholds[] = {
 160         { DS_VOLTAGE_RANGE_18_33_V, 0.7,     1.4 },
 161         { DS_VOLTAGE_RANGE_5_V,     1.4,     3.6 },
 162 };
 163
 164 static const uint64_t samplerates[] = {
 165         SR_KHZ(20),
 166         SR_KHZ(25),
 167         SR_KHZ(50),
 168         SR_KHZ(100),
 169         SR_KHZ(200),
 170         SR_KHZ(250),
 171         SR_KHZ(500),
 172         SR_MHZ(1),
 173         SR_MHZ(2),
 174         SR_MHZ(3),
 175         SR_MHZ(4),
 176         SR_MHZ(6),
 177         SR_MHZ(8),
 178         SR_MHZ(12),
 179         SR_MHZ(16),
 180         SR_MHZ(24),
 181 };
 182
 183 static const uint64_t dslogic_samplerates[] = {
 184         SR_KHZ(10),
 185         SR_KHZ(20),
 186         SR_KHZ(50),
 187         SR_KHZ(100),
 188         SR_KHZ(200),
 189         SR_KHZ(500),
 190         SR_MHZ(1),
 191         SR_MHZ(2),
 192         SR_MHZ(5),
 193         SR_MHZ(10),
 194         SR_MHZ(20),
 195         SR_MHZ(25),
 196         SR_MHZ(50),
 197         SR_MHZ(100),
 198         SR_MHZ(200),
 199         SR_MHZ(400),
 200 };
 201
 202 SR_PRIV struct sr_dev_driver fx2lafw_driver_info;
 203
 204 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 205 {
 206         struct drv_context *drvc;
 207         struct dev_context *devc;
 208         struct sr_dev_inst *sdi;
 209         struct sr_usb_dev_inst *usb;
 210         struct sr_channel *ch;
 211         struct sr_channel_group *cg;
 212         struct sr_config *src;
 213         const struct fx2lafw_profile *prof;
 214         GSList *l, *devices, *conn_devices;
 215         gboolean has_firmware;
 216         struct libusb_device_descriptor des;
 217         libusb_device **devlist;
 218         struct libusb_device_handle *hdl;
 219         int ret, i, j;
 220         int num_logic_channels = 0, num_analog_channels = 0;
 221         const char *conn;
 222         char manufacturer[64], product[64], serial_num[64], connection_id[64];
 223         char channel_name[16];
 224
 225         drvc = di->context;
 226
 227         conn = NULL;
 228         for (l = options; l; l = l->next) {
 229                 src = l->data;
 230                 switch (src->key) {
 231                 case SR_CONF_CONN:
 232                         conn = g_variant_get_string(src->data, NULL);
 233                         break;
 234                 }
 235         }
 236         if (conn)
 237                 conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
 238         else
 239                 conn_devices = NULL;
 240
 241         /* Find all fx2lafw compatible devices and upload firmware to them. */
 242         devices = NULL;
 243         libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
 244         for (i = 0; devlist[i]; i++) {
 245                 if (conn) {
 246                         usb = NULL;
 247                         for (l = conn_devices; l; l = l->next) {
 248                                 usb = l->data;
 249                                 if (usb->bus == libusb_get_bus_number(devlist[i])
 250                                         && usb->address == libusb_get_device_address(devlist[i]))
 251                                         break;
 252                         }
 253                         if (!l)
 254                                 /* This device matched none of the ones that
 255                                  * matched the conn specification. */
 256                                 continue;
 257                 }
 258
 259                 libusb_get_device_descriptor( devlist[i], &des);
 260
 261                 if ((ret = libusb_open(devlist[i], &hdl)) < 0)
 262                         continue;
 263
 264                 if (des.iManufacturer == 0) {
 265                         manufacturer[0] = '\0';
 266                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 267                                 des.iManufacturer, (unsigned char *) manufacturer,
 268                                 sizeof(manufacturer))) < 0) {
 269                         sr_warn("Failed to get manufacturer string descriptor: %s.",
 270                                 libusb_error_name(ret));
 271                         continue;
 272                 }
 273
 274                 if (des.iProduct == 0) {
 275                         product[0] = '\0';
 276                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 277                                 des.iProduct, (unsigned char *) product,
 278                                 sizeof(product))) < 0) {
 279                         sr_warn("Failed to get product string descriptor: %s.",
 280                                 libusb_error_name(ret));
 281                         continue;
 282                 }
 283
 284                 if (des.iSerialNumber == 0) {
 285                         serial_num[0] = '\0';
 286                 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
 287                                 des.iSerialNumber, (unsigned char *) serial_num,
 288                                 sizeof(serial_num))) < 0) {
 289                         sr_warn("Failed to get serial number string descriptor: %s.",
 290                                 libusb_error_name(ret));
 291                         continue;
 292                 }
 293
 294                 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
 295
 296                 libusb_close(hdl);
 297
 298                 prof = NULL;
 299                 for (j = 0; supported_fx2[j].vid; j++) {
 300                         if (des.idVendor == supported_fx2[j].vid &&
 301                                         des.idProduct == supported_fx2[j].pid &&
 302                                         (!supported_fx2[j].usb_manufacturer ||
 303                                          !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) &&
 304                                         (!supported_fx2[j].usb_manufacturer ||
 305                                          !strcmp(product, supported_fx2[j].usb_product))) {
 306                                 prof = &supported_fx2[j];
 307                                 break;
 308                         }
 309                 }
 310
 311                 /* Skip if the device was not found. */
 312                 if (!prof)
 313                         continue;
 314
 315                 sdi = g_malloc0(sizeof(struct sr_dev_inst));
 316                 sdi->status = SR_ST_INITIALIZING;
 317                 sdi->vendor = g_strdup(prof->vendor);
 318                 sdi->model = g_strdup(prof->model);
 319                 sdi->version = g_strdup(prof->model_version);
 320                 sdi->driver = di;
 321                 sdi->serial_num = g_strdup(serial_num);
 322                 sdi->connection_id = g_strdup(connection_id);
 323
 324                 /* Fill in channellist according to this device's profile. */
 325                 num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
 326                 num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0;
 327
 328                 /* Logic channels, all in one channel group. */
 329                 cg = g_malloc0(sizeof(struct sr_channel_group));
 330                 cg->name = g_strdup("Logic");
 331                 for (j = 0; j < num_logic_channels; j++) {
 332                         sprintf(channel_name, "D%d", j);
 333                         ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC,
 334                                                 TRUE, channel_name);
 335                         cg->channels = g_slist_append(cg->channels, ch);
 336                 }
 337                 sdi->channel_groups = g_slist_append(NULL, cg);
 338
 339                 for (j = 0; j < num_analog_channels; j++) {
 340                         snprintf(channel_name, 16, "A%d", j);
 341                         ch = sr_channel_new(sdi, j + num_logic_channels,
 342                                         SR_CHANNEL_ANALOG, TRUE, channel_name);
 343
 344                         /* Every analog channel gets its own channel group. */
 345                         cg = g_malloc0(sizeof(struct sr_channel_group));
 346                         cg->name = g_strdup(channel_name);
 347                         cg->channels = g_slist_append(NULL, ch);
 348                         sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
 349                 }
 350
 351                 devc = fx2lafw_dev_new();
 352                 devc->profile = prof;
 353                 if ((prof->dev_caps & DEV_CAPS_16BIT) || (prof->dev_caps & DEV_CAPS_AX_ANALOG))
 354                         devc->sample_wide = TRUE;
 355                 sdi->priv = devc;
 356                 drvc->instances = g_slist_append(drvc->instances, sdi);
 357                 devices = g_slist_append(devices, sdi);
 358
 359                 if (!strcmp(prof->model, "DSLogic")
 360                                 || !strcmp(prof->model, "DSLogic Pro")
 361                                 || !strcmp(prof->model, "DSCope")) {
 362                         devc->dslogic = TRUE;
 363                         devc->samplerates = dslogic_samplerates;
 364                         devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates);
 365                         has_firmware = match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic")
 366                                         || match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope");
 367                 } else {
 368                         devc->dslogic = FALSE;
 369                         devc->samplerates = samplerates;
 370                         devc->num_samplerates = ARRAY_SIZE(samplerates);
 371                         has_firmware = match_manuf_prod(devlist[i],
 372                                         "sigrok", "fx2lafw");
 373                 }
 374
 375                 if (has_firmware) {
 376                         /* Already has the firmware, so fix the new address. */
 377                         sr_dbg("Found an fx2lafw device.");
 378                         sdi->status = SR_ST_INACTIVE;
 379                         sdi->inst_type = SR_INST_USB;
 380                         sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
 381                                         libusb_get_device_address(devlist[i]), NULL);
 382                 } else {
 383                         if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
 384                                         USB_CONFIGURATION, prof->firmware) == SR_OK)
 385                                 /* Store when this device's FW was updated. */
 386                                 devc->fw_updated = g_get_monotonic_time();
 387                         else
 388                                 sr_err("Firmware upload failed for "
 389                                        "device %d.%d (logical).",
 390                                        libusb_get_bus_number(devlist[i]),
 391                                        libusb_get_device_address(devlist[i]));
 392                         sdi->inst_type = SR_INST_USB;
 393                         sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
 394                                         0xff, NULL);
 395                 }
 396         }
 397         libusb_free_device_list(devlist, 1);
 398         g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
 399
 400         return devices;
 401 }
 402
 403 static void clear_dev_context(void *priv)
 404 {
 405         struct dev_context *devc;
 406
 407         devc = priv;
 408         g_slist_free(devc->enabled_analog_channels);
 409         g_free(devc);
 410 }
 411
 412 static int dev_clear(const struct sr_dev_driver *di)
 413 {
 414         return std_dev_clear(di, clear_dev_context);
 415 }
 416
 417 static int dev_open(struct sr_dev_inst *sdi)
 418 {
 419         struct sr_dev_driver *di = sdi->driver;
 420         struct sr_usb_dev_inst *usb;
 421         struct dev_context *devc;
 422         const char *fpga_firmware = NULL;
 423         int ret;
 424         int64_t timediff_us, timediff_ms;
 425
 426         devc = sdi->priv;
 427         usb = sdi->conn;
 428
 429         /*
 430          * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS
 431          * milliseconds for the FX2 to renumerate.
 432          */
 433         ret = SR_ERR;
 434         if (devc->fw_updated > 0) {
 435                 sr_info("Waiting for device to reset.");
 436                 /* Takes >= 300ms for the FX2 to be gone from the USB bus. */
 437                 g_usleep(300 * 1000);
 438                 timediff_ms = 0;
 439                 while (timediff_ms < MAX_RENUM_DELAY_MS) {
 440                         if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK)
 441                                 break;
 442                         g_usleep(100 * 1000);
 443
 444                         timediff_us = g_get_monotonic_time() - devc->fw_updated;
 445                         timediff_ms = timediff_us / 1000;
 446                         sr_spew("Waited %" PRIi64 "ms.", timediff_ms);
 447                 }
 448                 if (ret != SR_OK) {
 449                         sr_err("Device failed to renumerate.");
 450                         return SR_ERR;
 451                 }
 452                 sr_info("Device came back after %" PRIi64 "ms.", timediff_ms);
 453         } else {
 454                 sr_info("Firmware upload was not needed.");
 455                 ret = fx2lafw_dev_open(sdi, di);
 456         }
 457
 458         if (ret != SR_OK) {
 459                 sr_err("Unable to open device.");
 460                 return SR_ERR;
 461         }
 462
 463         ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
 464         if (ret != 0) {
 465                 switch (ret) {
 466                 case LIBUSB_ERROR_BUSY:
 467                         sr_err("Unable to claim USB interface. Another "
 468                                "program or driver has already claimed it.");
 469                         break;
 470                 case LIBUSB_ERROR_NO_DEVICE:
 471                         sr_err("Device has been disconnected.");
 472                         break;
 473                 default:
 474                         sr_err("Unable to claim interface: %s.",
 475                                libusb_error_name(ret));
 476                         break;
 477                 }
 478
 479                 return SR_ERR;
 480         }
 481
 482         if (devc->dslogic) {
 483                 if (!strcmp(devc->profile->model, "DSLogic")) {
 484                         if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V)
 485                                 fpga_firmware = DSLOGIC_FPGA_FIRMWARE_3V3;
 486                         else
 487                                 fpga_firmware = DSLOGIC_FPGA_FIRMWARE_5V;
 488                 } else if (!strcmp(devc->profile->model, "DSLogic Pro")){
 489                         fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE;
 490                 } else if (!strcmp(devc->profile->model, "DSCope")) {
 491                         fpga_firmware = DSCOPE_FPGA_FIRMWARE;
 492                 }
 493
 494                 if ((ret = dslogic_fpga_firmware_upload(sdi, fpga_firmware)) != SR_OK)
 495                         return ret;
 496         }
 497         if (devc->cur_samplerate == 0) {
 498                 /* Samplerate hasn't been set; default to the slowest one. */
 499                 devc->cur_samplerate = devc->samplerates[0];
 500         }
 501
 502         return SR_OK;
 503 }
 504
 505 static int dev_close(struct sr_dev_inst *sdi)
 506 {
 507         struct sr_usb_dev_inst *usb;
 508
 509         usb = sdi->conn;
 510         if (!usb->devhdl)
 511                 return SR_ERR;
 512
 513         sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.",
 514                 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
 515         libusb_release_interface(usb->devhdl, USB_INTERFACE);
 516         libusb_close(usb->devhdl);
 517         usb->devhdl = NULL;
 518         sdi->status = SR_ST_INACTIVE;
 519
 520         return SR_OK;
 521 }
 522
 523 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 524                 const struct sr_channel_group *cg)
 525 {
 526         struct dev_context *devc;
 527         struct sr_usb_dev_inst *usb;
 528         GVariant *range[2];
 529         unsigned int i;
 530         char str[128];
 531
 532         (void)cg;
 533
 534         if (!sdi)
 535                 return SR_ERR_ARG;
 536
 537         devc = sdi->priv;
 538
 539         switch (key) {
 540         case SR_CONF_CONN:
 541                 if (!sdi->conn)
 542                         return SR_ERR_ARG;
 543                 usb = sdi->conn;
 544                 if (usb->address == 255)
 545                         /* Device still needs to re-enumerate after firmware
 546                          * upload, so we don't know its (future) address. */
 547                         return SR_ERR;
 548                 snprintf(str, 128, "%d.%d", usb->bus, usb->address);
 549                 *data = g_variant_new_string(str);
 550                 break;
 551         case SR_CONF_VOLTAGE_THRESHOLD:
 552                 for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
 553                         if (volt_thresholds[i].range != devc->dslogic_voltage_threshold)
 554                                 continue;
 555                         range[0] = g_variant_new_double(volt_thresholds[i].low);
 556                         range[1] = g_variant_new_double(volt_thresholds[i].high);
 557                         *data = g_variant_new_tuple(range, 2);
 558                         break;
 559                 }
 560                 break;
 561         case SR_CONF_LIMIT_SAMPLES:
 562                 *data = g_variant_new_uint64(devc->limit_samples);
 563                 break;
 564         case SR_CONF_SAMPLERATE:
 565                 *data = g_variant_new_uint64(devc->cur_samplerate);
 566                 break;
 567         case SR_CONF_CAPTURE_RATIO:
 568                 *data = g_variant_new_uint64(devc->capture_ratio);
 569                 break;
 570         default:
 571                 return SR_ERR_NA;
 572         }
 573
 574         return SR_OK;
 575 }
 576
 577 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
 578                 const struct sr_channel_group *cg)
 579 {
 580         struct dev_context *devc;
 581         uint64_t arg;
 582         int i, ret;
 583         gdouble low, high;
 584
 585         (void)cg;
 586
 587         if (!sdi)
 588                 return SR_ERR_ARG;
 589
 590         if (sdi->status != SR_ST_ACTIVE)
 591                 return SR_ERR;
 592
 593         devc = sdi->priv;
 594
 595         ret = SR_OK;
 596
 597         switch (key) {
 598         case SR_CONF_SAMPLERATE:
 599                 arg = g_variant_get_uint64(data);
 600                 for (i = 0; i < devc->num_samplerates; i++) {
 601                         if (devc->samplerates[i] == arg) {
 602                                 devc->cur_samplerate = arg;
 603                                 break;
 604                         }
 605                 }
 606                 if (i == devc->num_samplerates)
 607                         ret = SR_ERR_ARG;
 608                 break;
 609         case SR_CONF_LIMIT_SAMPLES:
 610                 devc->limit_samples = g_variant_get_uint64(data);
 611                 break;
 612         case SR_CONF_CAPTURE_RATIO:
 613                 devc->capture_ratio = g_variant_get_uint64(data);
 614                 ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK;
 615                 break;
 616         case SR_CONF_VOLTAGE_THRESHOLD:
 617                 g_variant_get(data, "(dd)", &low, &high);
 618                 ret = SR_ERR_ARG;
 619                 for (i = 0; (unsigned int)i < ARRAY_SIZE(volt_thresholds); i++) {
 620                         if (fabs(volt_thresholds[i].low - low) < 0.1 &&
 621                             fabs(volt_thresholds[i].high - high) < 0.1) {
 622                                 devc->dslogic_voltage_threshold = volt_thresholds[i].range;
 623                                 break;
 624                         }
 625                 }
 626                 if (!strcmp(devc->profile->model, "DSLogic")) {
 627                         if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_5_V)
 628                                 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_5V);
 629                         else
 630                                 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_3V3);
 631                 }else if (!strcmp(devc->profile->model, "DSLogic Pro")){
 632                         ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_PRO_FPGA_FIRMWARE);
 633                 }
 634                 break;
 635         default:
 636                 ret = SR_ERR_NA;
 637         }
 638
 639         return ret;
 640 }
 641
 642 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 643                 const struct sr_channel_group *cg)
 644 {
 645         struct dev_context *devc;
 646         GVariant *gvar, *range[2];
 647         GVariantBuilder gvb;
 648         unsigned int i;
 649
 650         (void)cg;
 651
 652         switch (key) {
 653         case SR_CONF_SCAN_OPTIONS:
 654                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 655                                 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
 656                 break;
 657         case SR_CONF_DEVICE_OPTIONS:
 658                 if (!sdi)
 659                         *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 660                                                           drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
 661                 else{
 662                         devc = sdi->priv;
 663                         if (!devc->dslogic)
 664                                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 665                                                                   devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
 666                         else
 667                                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
 668                                                                   dslogic_devopts, ARRAY_SIZE(dslogic_devopts), sizeof(uint32_t));
 669                 }
 670                 break;
 671         case SR_CONF_VOLTAGE_THRESHOLD:
 672                 if (!sdi->priv) return SR_ERR_ARG;
 673                 devc = sdi->priv;
 674                 if (!devc->dslogic) return SR_ERR_NA;
 675                 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
 676                 for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
 677                         range[0] = g_variant_new_double(volt_thresholds[i].low);
 678                         range[1] = g_variant_new_double(volt_thresholds[i].high);
 679                         gvar = g_variant_new_tuple(range, 2);
 680                         g_variant_builder_add_value(&gvb, gvar);
 681                 }
 682                 *data = g_variant_builder_end(&gvb);
 683                 break;
 684         case SR_CONF_SAMPLERATE:
 685                 if (!sdi->priv)
 686                         return SR_ERR_ARG;
 687                 devc = sdi->priv;
 688                 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
 689                 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates,
 690                                 devc->num_samplerates, sizeof(uint64_t));
 691                 g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
 692                 *data = g_variant_builder_end(&gvb);
 693                 break;
 694         case SR_CONF_TRIGGER_MATCH:
 695                 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
 696                                 soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches),
 697                                 sizeof(int32_t));
 698                 break;
 699         default:
 700                 return SR_ERR_NA;
 701         }
 702
 703         return SR_OK;
 704 }
 705
 706 static int receive_data(int fd, int revents, void *cb_data)
 707 {
 708         struct timeval tv;
 709         struct drv_context *drvc;
 710
 711         (void)fd;
 712         (void)revents;
 713
 714         drvc = (struct drv_context *)cb_data;
 715
 716         tv.tv_sec = tv.tv_usec = 0;
 717         libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
 718
 719         return TRUE;
 720 }
 721
 722 static int start_transfers(const struct sr_dev_inst *sdi)
 723 {
 724         struct dev_context *devc;
 725         struct sr_usb_dev_inst *usb;
 726         struct sr_trigger *trigger;
 727         struct libusb_transfer *transfer;
 728         unsigned int i, num_transfers;
 729         int endpoint, timeout, ret;
 730         unsigned char *buf;
 731         size_t size;
 732
 733         devc = sdi->priv;
 734         usb = sdi->conn;
 735
 736         devc->sent_samples = 0;
 737         devc->acq_aborted = FALSE;
 738         devc->empty_transfer_count = 0;
 739
 740         if ((trigger = sr_session_trigger_get(sdi->session)) && !devc->dslogic) {
 741                 int pre_trigger_samples = 0;
 742                 if (devc->limit_samples > 0)
 743                         pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100;
 744                 devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
 745                 if (!devc->stl)
 746                         return SR_ERR_MALLOC;
 747                 devc->trigger_fired = FALSE;
 748         } else
 749                 devc->trigger_fired = TRUE;
 750
 751         num_transfers = fx2lafw_get_number_of_transfers(devc);
 752         size = fx2lafw_get_buffer_size(devc);
 753         devc->submitted_transfers = 0;
 754
 755         devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
 756         if (!devc->transfers) {
 757                 sr_err("USB transfers malloc failed.");
 758                 return SR_ERR_MALLOC;
 759         }
 760
 761         timeout = fx2lafw_get_timeout(devc);
 762         endpoint = devc->dslogic ? 6 : 2;
 763         devc->num_transfers = num_transfers;
 764         for (i = 0; i < num_transfers; i++) {
 765                 if (!(buf = g_try_malloc(size))) {
 766                         sr_err("USB transfer buffer malloc failed.");
 767                         return SR_ERR_MALLOC;
 768                 }
 769                 transfer = libusb_alloc_transfer(0);
 770                 libusb_fill_bulk_transfer(transfer, usb->devhdl,
 771                                 endpoint | LIBUSB_ENDPOINT_IN, buf, size,
 772                                 fx2lafw_receive_transfer, (void *)sdi, timeout);
 773                 if ((ret = libusb_submit_transfer(transfer)) != 0) {
 774                         sr_err("Failed to submit transfer: %s.",
 775                                libusb_error_name(ret));
 776                         libusb_free_transfer(transfer);
 777                         g_free(buf);
 778                         fx2lafw_abort_acquisition(devc);
 779                         return SR_ERR;
 780                 }
 781                 devc->transfers[i] = transfer;
 782                 devc->submitted_transfers++;
 783         }
 784
 785         if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG)
 786                 devc->send_data_proc = mso_send_data_proc;
 787         else
 788                 devc->send_data_proc = la_send_data_proc;
 789
 790         std_session_send_df_header(sdi, LOG_PREFIX);
 791
 792         return SR_OK;
 793 }
 794
 795 static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer)
 796 {
 797         const struct sr_dev_inst *sdi;
 798         struct dslogic_trigger_pos *tpos;
 799         struct dev_context *devc;
 800
 801         sdi = transfer->user_data;
 802         devc = sdi->priv;
 803         if (transfer->status == LIBUSB_TRANSFER_CANCELLED) {
 804                 sr_dbg("Trigger transfer canceled.");
 805                 /* Terminate session. */
 806                 std_session_send_df_end(sdi, LOG_PREFIX);
 807                 usb_source_remove(sdi->session, devc->ctx);
 808                 devc->num_transfers = 0;
 809                 g_free(devc->transfers);
 810                 if (devc->stl) {
 811                         soft_trigger_logic_free(devc->stl);
 812                         devc->stl = NULL;
 813                 }
 814         } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED
 815                         && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) {
 816                 tpos = (struct dslogic_trigger_pos *)transfer->buffer;
 817                 sr_info("tpos real_pos %d ram_saddr %d cnt %d", tpos->real_pos, tpos->ram_saddr, tpos->remain_cnt);
 818                 devc->trigger_pos  = tpos->real_pos;
 819                 g_free(tpos);
 820                 start_transfers(sdi);
 821         }
 822         libusb_free_transfer(transfer);
 823 }
 824
 825 static int dslogic_trigger_request(const struct sr_dev_inst *sdi)
 826 {
 827         struct sr_usb_dev_inst *usb;
 828         struct libusb_transfer *transfer;
 829         struct dslogic_trigger_pos *tpos;
 830         struct dev_context *devc;
 831         int ret;
 832
 833         usb = sdi->conn;
 834         devc = sdi->priv;
 835
 836         if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK)
 837                 return ret;
 838
 839         if ((ret = dslogic_fpga_configure(sdi)) != SR_OK)
 840                 return ret;
 841
 842         /* if this is a dslogic pro, set the voltage threshold */
 843         if (!strcmp(devc->profile->model, "DSLogic Pro")){
 844                 if(devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V){
 845                         dslogic_set_vth(sdi, 1.4);
 846                 }else{
 847                         dslogic_set_vth(sdi, 3.3);
 848                 }
 849         }
 850
 851         if ((ret = dslogic_start_acquisition(sdi)) != SR_OK)
 852                 return ret;
 853
 854         sr_dbg("Getting trigger.");
 855         tpos = g_malloc(sizeof(struct dslogic_trigger_pos));
 856         transfer = libusb_alloc_transfer(0);
 857         libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN,
 858                         (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos),
 859                         dslogic_trigger_receive, (void *)sdi, 0);
 860         if ((ret = libusb_submit_transfer(transfer)) < 0) {
 861                 sr_err("Failed to request trigger: %s.", libusb_error_name(ret));
 862                 libusb_free_transfer(transfer);
 863                 g_free(tpos);
 864                 return SR_ERR;
 865         }
 866
 867         devc->transfers = g_try_malloc0(sizeof(*devc->transfers));
 868         if (!devc->transfers) {
 869                 sr_err("USB trigger_pos transfer malloc failed.");
 870                 return SR_ERR_MALLOC;
 871         }
 872         devc->num_transfers = 1;
 873         devc->submitted_transfers++;
 874         devc->transfers[0] = transfer;
 875
 876         return ret;
 877 }
 878
 879 static int configure_channels(const struct sr_dev_inst *sdi)
 880 {
 881         struct dev_context *devc;
 882         const GSList *l;
 883         int p;
 884         struct sr_channel *ch;
 885
 886         devc = sdi->priv;
 887
 888         g_slist_free(devc->enabled_analog_channels);
 889         devc->enabled_analog_channels = NULL;
 890         memset(devc->ch_enabled, 0, sizeof(devc->ch_enabled));
 891
 892         for (l = sdi->channels, p = 0; l; l = l->next, p++) {
 893                 ch = l->data;
 894                 if ((p <= NUM_CHANNELS) && (ch->type == SR_CHANNEL_ANALOG)) {
 895                         devc->ch_enabled[p] = ch->enabled;
 896                         devc->enabled_analog_channels =
 897                             g_slist_append(devc->enabled_analog_channels, ch);
 898                 }
 899         }
 900
 901         return SR_OK;
 902 }
 903
 904 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 905 {
 906         struct sr_dev_driver *di;
 907         struct drv_context *drvc;
 908         struct dev_context *devc;
 909         int timeout, ret;
 910         size_t size;
 911
 912         if (sdi->status != SR_ST_ACTIVE)
 913                 return SR_ERR_DEV_CLOSED;
 914
 915         di = sdi->driver;
 916         drvc = di->context;
 917         devc = sdi->priv;
 918
 919         devc->ctx = drvc->sr_ctx;
 920         devc->sent_samples = 0;
 921         devc->empty_transfer_count = 0;
 922         devc->acq_aborted = FALSE;
 923
 924         if (configure_channels(sdi) != SR_OK) {
 925                 sr_err("Failed to configure channels.");
 926                 return SR_ERR;
 927         }
 928
 929         timeout = fx2lafw_get_timeout(devc);
 930         usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc);
 931
 932         if (devc->dslogic) {
 933                 dslogic_trigger_request(sdi);
 934         } else {
 935                 size = fx2lafw_get_buffer_size(devc);
 936                 /* Prepare for analog sampling. */
 937                 if (devc->profile->dev_caps & DEV_CAPS_AX_ANALOG) {
 938                         /* We need a buffer half the size of a transfer. */
 939                         devc->logic_buffer = g_try_malloc(size / 2);
 940                         devc->analog_buffer = g_try_malloc(
 941                                 sizeof(float) * size / 2);
 942                 }
 943                 start_transfers(sdi);
 944                 if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) {
 945                         fx2lafw_abort_acquisition(devc);
 946                         return ret;
 947                 }
 948         }
 949
 950         return SR_OK;
 951 }
 952
 953 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 954 {
 955         struct dev_context *devc;
 956
 957         devc = sdi->priv;
 958
 959         if (devc->dslogic)
 960                 dslogic_stop_acquisition(sdi);
 961
 962         fx2lafw_abort_acquisition(sdi->priv);
 963
 964         return SR_OK;
 965 }
 966
 967 SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
 968         .name = "fx2lafw",
 969         .longname = "fx2lafw (generic driver for FX2 based LAs)",
 970         .api_version = 1,
 971         .init = std_init,
 972         .cleanup = std_cleanup,
 973         .scan = scan,
 974         .dev_list = std_dev_list,
 975         .dev_clear = dev_clear,
 976         .config_get = config_get,
 977         .config_set = config_set,
 978         .config_list = config_list,
 979         .dev_open = dev_open,
 980         .dev_close = dev_close,
 981         .dev_acquisition_start = dev_acquisition_start,
 982         .dev_acquisition_stop = dev_acquisition_stop,
 983         .context = NULL,
 984 };