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usb.c: Moved in usb_match_manuf_product
[libsigrok.git] / src / hardware / fx2lafw / api.c
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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
26static 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 /*
51 * CWAV USBee ZX
52 */
53 { 0x08a9, 0x0005, "CWAV", "USBee ZX", NULL,
54 "fx2lafw-cwav-usbeezx.fw",
55 0, NULL, NULL},
56
57 /* DreamSourceLab DSLogic (before FW upload) */
58 { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
59 "dreamsourcelab-dslogic-fx2.fw",
60 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, NULL, NULL},
61 /* DreamSourceLab DSLogic (after FW upload) */
62 { 0x2a0e, 0x0001, "DreamSourceLab", "DSLogic", NULL,
63 "dreamsourcelab-dslogic-fx2.fw",
64 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, "DreamSourceLab", "DSLogic"},
65
66 /* DreamSourceLab DSCope (before FW upload) */
67 { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
68 "dreamsourcelab-dscope-fx2.fw",
69 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, NULL, NULL},
70 /* DreamSourceLab DSCope (after FW upload) */
71 { 0x2a0e, 0x0002, "DreamSourceLab", "DSCope", NULL,
72 "dreamsourcelab-dscope-fx2.fw",
73 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, "DreamSourceLab", "DSCope"},
74
75 /* DreamSourceLab DSLogic Pro (before FW upload) */
76 { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
77 "dreamsourcelab-dslogic-pro-fx2.fw",
78 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, NULL, NULL},
79 /* DreamSourceLab DSLogic Pro (after FW upload) */
80 { 0x2a0e, 0x0003, "DreamSourceLab", "DSLogic Pro", NULL,
81 "dreamsourcelab-dslogic-pro-fx2.fw",
82 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, "DreamSourceLab", "DSLogic"},
83
84 /* DreamSourceLab DSLogic Plus (before FW upload) */
85 { 0x2a0e, 0x0020, "DreamSourceLab", "DSLogic Plus", NULL,
86 "dreamsourcelab-dslogic-plus-fx2.fw",
87 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, NULL, NULL},
88 /* DreamSourceLab DSLogic Plus (after FW upload) */
89 { 0x2a0e, 0x0020, "DreamSourceLab", "DSLogic Plus", NULL,
90 "dreamsourcelab-dslogic-plus-fx2.fw",
91 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, "DreamSourceLab", "DSLogic"},
92
93 /* DreamSourceLab DSLogic Basic (before FW upload) */
94 { 0x2a0e, 0x0021, "DreamSourceLab", "DSLogic Basic", NULL,
95 "dreamsourcelab-dslogic-basic-fx2.fw",
96 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, NULL, NULL},
97 /* DreamSourceLab DSLogic Basic (after FW upload) */
98 { 0x2a0e, 0x0021, "DreamSourceLab", "DSLogic Basic", NULL,
99 "dreamsourcelab-dslogic-basic-fx2.fw",
100 DEV_CAPS_16BIT | DEV_CAPS_DSLOGIC_FW, "DreamSourceLab", "DSLogic"},
101
102 /*
103 * Saleae Logic
104 * EE Electronics ESLA100
105 * Robomotic MiniLogic
106 * Robomotic BugLogic 3
107 */
108 { 0x0925, 0x3881, "Saleae", "Logic", NULL,
109 "fx2lafw-saleae-logic.fw",
110 0, NULL, NULL},
111
112 /*
113 * Default Cypress FX2 without EEPROM, e.g.:
114 * Lcsoft Mini Board
115 * Braintechnology USB Interface V2.x
116 */
117 { 0x04B4, 0x8613, "Cypress", "FX2", NULL,
118 "fx2lafw-cypress-fx2.fw",
119 DEV_CAPS_16BIT, NULL, NULL },
120
121 /*
122 * Braintechnology USB-LPS
123 */
124 { 0x16d0, 0x0498, "Braintechnology", "USB-LPS", NULL,
125 "fx2lafw-braintechnology-usb-lps.fw",
126 DEV_CAPS_16BIT, NULL, NULL },
127
128 /*
129 * sigrok FX2 based 8-channel logic analyzer
130 */
131 { 0x1d50, 0x608c, "sigrok", "FX2 LA (8ch)", NULL,
132 "fx2lafw-sigrok-fx2-8ch.fw",
133 0, NULL, NULL},
134
135 /*
136 * sigrok FX2 based 16-channel logic analyzer
137 */
138 { 0x1d50, 0x608d, "sigrok", "FX2 LA (16ch)", NULL,
139 "fx2lafw-sigrok-fx2-16ch.fw",
140 DEV_CAPS_16BIT, NULL, NULL },
141
142 ALL_ZERO
143};
144
145static const uint32_t drvopts[] = {
146 SR_CONF_LOGIC_ANALYZER,
147};
148
149static const uint32_t scanopts[] = {
150 SR_CONF_CONN,
151};
152
153static const uint32_t devopts[] = {
154 SR_CONF_CONTINUOUS,
155 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
156 SR_CONF_CONN | SR_CONF_GET,
157 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
158 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
159 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
160};
161
162static const uint32_t dslogic_devopts[] = {
163 SR_CONF_CONTINUOUS | SR_CONF_SET | SR_CONF_GET,
164 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
165 SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
166 SR_CONF_CONN | SR_CONF_GET,
167 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
168 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
169 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
170 SR_CONF_EXTERNAL_CLOCK | SR_CONF_GET | SR_CONF_SET,
171 SR_CONF_CLOCK_EDGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
172};
173
174static const int32_t soft_trigger_matches[] = {
175 SR_TRIGGER_ZERO,
176 SR_TRIGGER_ONE,
177 SR_TRIGGER_RISING,
178 SR_TRIGGER_FALLING,
179 SR_TRIGGER_EDGE,
180};
181
182/* Names assigned to available edge slope choices. */
183static const char *const signal_edge_names[] = {
184 [DS_EDGE_RISING] = "rising",
185 [DS_EDGE_FALLING] = "falling",
186};
187
188static const struct {
189 int range;
190 gdouble low;
191 gdouble high;
192} volt_thresholds[] = {
193 { DS_VOLTAGE_RANGE_18_33_V, 0.7, 1.4 },
194 { DS_VOLTAGE_RANGE_5_V, 1.4, 3.6 },
195};
196
197static const uint64_t samplerates[] = {
198 SR_KHZ(20),
199 SR_KHZ(25),
200 SR_KHZ(50),
201 SR_KHZ(100),
202 SR_KHZ(200),
203 SR_KHZ(250),
204 SR_KHZ(500),
205 SR_MHZ(1),
206 SR_MHZ(2),
207 SR_MHZ(3),
208 SR_MHZ(4),
209 SR_MHZ(6),
210 SR_MHZ(8),
211 SR_MHZ(12),
212 SR_MHZ(16),
213 SR_MHZ(24),
214};
215
216static const uint64_t dslogic_samplerates[] = {
217 SR_KHZ(10),
218 SR_KHZ(20),
219 SR_KHZ(50),
220 SR_KHZ(100),
221 SR_KHZ(200),
222 SR_KHZ(500),
223 SR_MHZ(1),
224 SR_MHZ(2),
225 SR_MHZ(5),
226 SR_MHZ(10),
227 SR_MHZ(20),
228 SR_MHZ(25),
229 SR_MHZ(50),
230 SR_MHZ(100),
231 SR_MHZ(200),
232 SR_MHZ(400),
233};
234
235static gboolean is_plausible(const struct libusb_device_descriptor *des)
236{
237 int i;
238
239 for (i = 0; supported_fx2[i].vid; i++) {
240 if (des->idVendor != supported_fx2[i].vid)
241 continue;
242 if (des->idProduct == supported_fx2[i].pid)
243 return TRUE;
244 }
245
246 return FALSE;
247}
248
249static GSList *scan(struct sr_dev_driver *di, GSList *options)
250{
251 struct drv_context *drvc;
252 struct dev_context *devc;
253 struct sr_dev_inst *sdi;
254 struct sr_usb_dev_inst *usb;
255 struct sr_channel *ch;
256 struct sr_channel_group *cg;
257 struct sr_config *src;
258 const struct fx2lafw_profile *prof;
259 GSList *l, *devices, *conn_devices;
260 gboolean has_firmware;
261 struct libusb_device_descriptor des;
262 libusb_device **devlist;
263 struct libusb_device_handle *hdl;
264 int ret, i, j;
265 int num_logic_channels = 0, num_analog_channels = 0;
266 const char *conn;
267 char manufacturer[64], product[64], serial_num[64], connection_id[64];
268 char channel_name[16];
269
270 drvc = di->context;
271
272 conn = NULL;
273 for (l = options; l; l = l->next) {
274 src = l->data;
275 switch (src->key) {
276 case SR_CONF_CONN:
277 conn = g_variant_get_string(src->data, NULL);
278 break;
279 }
280 }
281 if (conn)
282 conn_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn);
283 else
284 conn_devices = NULL;
285
286 /* Find all fx2lafw compatible devices and upload firmware to them. */
287 devices = NULL;
288 libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist);
289 for (i = 0; devlist[i]; i++) {
290 if (conn) {
291 usb = NULL;
292 for (l = conn_devices; l; l = l->next) {
293 usb = l->data;
294 if (usb->bus == libusb_get_bus_number(devlist[i])
295 && usb->address == libusb_get_device_address(devlist[i]))
296 break;
297 }
298 if (!l)
299 /* This device matched none of the ones that
300 * matched the conn specification. */
301 continue;
302 }
303
304 libusb_get_device_descriptor( devlist[i], &des);
305
306 if (!is_plausible(&des))
307 continue;
308
309 if ((ret = libusb_open(devlist[i], &hdl)) < 0) {
310 sr_warn("Failed to open potential device with "
311 "VID:PID %04x:%04x: %s.", des.idVendor,
312 des.idProduct, libusb_error_name(ret));
313 continue;
314 }
315
316 if (des.iManufacturer == 0) {
317 manufacturer[0] = '\0';
318 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
319 des.iManufacturer, (unsigned char *) manufacturer,
320 sizeof(manufacturer))) < 0) {
321 sr_warn("Failed to get manufacturer string descriptor: %s.",
322 libusb_error_name(ret));
323 continue;
324 }
325
326 if (des.iProduct == 0) {
327 product[0] = '\0';
328 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
329 des.iProduct, (unsigned char *) product,
330 sizeof(product))) < 0) {
331 sr_warn("Failed to get product string descriptor: %s.",
332 libusb_error_name(ret));
333 continue;
334 }
335
336 if (des.iSerialNumber == 0) {
337 serial_num[0] = '\0';
338 } else if ((ret = libusb_get_string_descriptor_ascii(hdl,
339 des.iSerialNumber, (unsigned char *) serial_num,
340 sizeof(serial_num))) < 0) {
341 sr_warn("Failed to get serial number string descriptor: %s.",
342 libusb_error_name(ret));
343 continue;
344 }
345
346 usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
347
348 libusb_close(hdl);
349
350 prof = NULL;
351 for (j = 0; supported_fx2[j].vid; j++) {
352 if (des.idVendor == supported_fx2[j].vid &&
353 des.idProduct == supported_fx2[j].pid &&
354 (!supported_fx2[j].usb_manufacturer ||
355 !strcmp(manufacturer, supported_fx2[j].usb_manufacturer)) &&
356 (!supported_fx2[j].usb_product ||
357 !strcmp(product, supported_fx2[j].usb_product))) {
358 prof = &supported_fx2[j];
359 break;
360 }
361 }
362
363 /* Skip if the device was not found. */
364 if (!prof)
365 continue;
366
367 sdi = g_malloc0(sizeof(struct sr_dev_inst));
368 sdi->status = SR_ST_INITIALIZING;
369 sdi->vendor = g_strdup(prof->vendor);
370 sdi->model = g_strdup(prof->model);
371 sdi->version = g_strdup(prof->model_version);
372 sdi->serial_num = g_strdup(serial_num);
373 sdi->connection_id = g_strdup(connection_id);
374
375 /* Fill in channellist according to this device's profile. */
376 num_logic_channels = prof->dev_caps & DEV_CAPS_16BIT ? 16 : 8;
377 num_analog_channels = prof->dev_caps & DEV_CAPS_AX_ANALOG ? 1 : 0;
378
379 /* Logic channels, all in one channel group. */
380 cg = g_malloc0(sizeof(struct sr_channel_group));
381 cg->name = g_strdup("Logic");
382 for (j = 0; j < num_logic_channels; j++) {
383 sprintf(channel_name, "D%d", j);
384 ch = sr_channel_new(sdi, j, SR_CHANNEL_LOGIC,
385 TRUE, channel_name);
386 cg->channels = g_slist_append(cg->channels, ch);
387 }
388 sdi->channel_groups = g_slist_append(NULL, cg);
389
390 for (j = 0; j < num_analog_channels; j++) {
391 snprintf(channel_name, 16, "A%d", j);
392 ch = sr_channel_new(sdi, j + num_logic_channels,
393 SR_CHANNEL_ANALOG, TRUE, channel_name);
394
395 /* Every analog channel gets its own channel group. */
396 cg = g_malloc0(sizeof(struct sr_channel_group));
397 cg->name = g_strdup(channel_name);
398 cg->channels = g_slist_append(NULL, ch);
399 sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
400 }
401
402 devc = fx2lafw_dev_new();
403 devc->profile = prof;
404 sdi->priv = devc;
405 devices = g_slist_append(devices, sdi);
406
407 if (!strcmp(prof->model, "DSLogic")
408 || !strcmp(prof->model, "DSLogic Pro")
409 || !strcmp(prof->model, "DSLogic Plus")
410 || !strcmp(prof->model, "DSLogic Basic")
411 || !strcmp(prof->model, "DSCope")) {
412 devc->dslogic = TRUE;
413 devc->samplerates = dslogic_samplerates;
414 devc->num_samplerates = ARRAY_SIZE(dslogic_samplerates);
415 has_firmware = usb_match_manuf_prod(devlist[i], "DreamSourceLab", "DSLogic")
416 || usb_match_manuf_prod(devlist[i], "DreamSourceLab", "DSCope");
417 } else {
418 devc->dslogic = FALSE;
419 devc->samplerates = samplerates;
420 devc->num_samplerates = ARRAY_SIZE(samplerates);
421 has_firmware = usb_match_manuf_prod(devlist[i],
422 "sigrok", "fx2lafw");
423 }
424
425 if (has_firmware) {
426 /* Already has the firmware, so fix the new address. */
427 sr_dbg("Found an fx2lafw device.");
428 sdi->status = SR_ST_INACTIVE;
429 sdi->inst_type = SR_INST_USB;
430 sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
431 libusb_get_device_address(devlist[i]), NULL);
432 } else {
433 if (ezusb_upload_firmware(drvc->sr_ctx, devlist[i],
434 USB_CONFIGURATION, prof->firmware) == SR_OK)
435 /* Store when this device's FW was updated. */
436 devc->fw_updated = g_get_monotonic_time();
437 else
438 sr_err("Firmware upload failed for "
439 "device %d.%d (logical).",
440 libusb_get_bus_number(devlist[i]),
441 libusb_get_device_address(devlist[i]));
442 sdi->inst_type = SR_INST_USB;
443 sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]),
444 0xff, NULL);
445 }
446 }
447 libusb_free_device_list(devlist, 1);
448 g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
449
450 return std_scan_complete(di, devices);
451}
452
453static void clear_dev_context(void *priv)
454{
455 struct dev_context *devc;
456
457 devc = priv;
458 g_slist_free(devc->enabled_analog_channels);
459 g_free(devc);
460}
461
462static int dev_clear(const struct sr_dev_driver *di)
463{
464 return std_dev_clear(di, clear_dev_context);
465}
466
467static int dev_open(struct sr_dev_inst *sdi)
468{
469 struct sr_dev_driver *di = sdi->driver;
470 struct sr_usb_dev_inst *usb;
471 struct dev_context *devc;
472 const char *fpga_firmware = NULL;
473 int ret;
474 int64_t timediff_us, timediff_ms;
475
476 devc = sdi->priv;
477 usb = sdi->conn;
478
479 /*
480 * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS
481 * milliseconds for the FX2 to renumerate.
482 */
483 ret = SR_ERR;
484 if (devc->fw_updated > 0) {
485 sr_info("Waiting for device to reset.");
486 /* Takes >= 300ms for the FX2 to be gone from the USB bus. */
487 g_usleep(300 * 1000);
488 timediff_ms = 0;
489 while (timediff_ms < MAX_RENUM_DELAY_MS) {
490 if ((ret = fx2lafw_dev_open(sdi, di)) == SR_OK)
491 break;
492 g_usleep(100 * 1000);
493
494 timediff_us = g_get_monotonic_time() - devc->fw_updated;
495 timediff_ms = timediff_us / 1000;
496 sr_spew("Waited %" PRIi64 "ms.", timediff_ms);
497 }
498 if (ret != SR_OK) {
499 sr_err("Device failed to renumerate.");
500 return SR_ERR;
501 }
502 sr_info("Device came back after %" PRIi64 "ms.", timediff_ms);
503 } else {
504 sr_info("Firmware upload was not needed.");
505 ret = fx2lafw_dev_open(sdi, di);
506 }
507
508 if (ret != SR_OK) {
509 sr_err("Unable to open device.");
510 return SR_ERR;
511 }
512
513 ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
514 if (ret != 0) {
515 switch (ret) {
516 case LIBUSB_ERROR_BUSY:
517 sr_err("Unable to claim USB interface. Another "
518 "program or driver has already claimed it.");
519 break;
520 case LIBUSB_ERROR_NO_DEVICE:
521 sr_err("Device has been disconnected.");
522 break;
523 default:
524 sr_err("Unable to claim interface: %s.",
525 libusb_error_name(ret));
526 break;
527 }
528
529 return SR_ERR;
530 }
531
532 if (devc->dslogic) {
533 if (!strcmp(devc->profile->model, "DSLogic")) {
534 if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V)
535 fpga_firmware = DSLOGIC_FPGA_FIRMWARE_3V3;
536 else
537 fpga_firmware = DSLOGIC_FPGA_FIRMWARE_5V;
538 } else if (!strcmp(devc->profile->model, "DSLogic Pro")){
539 fpga_firmware = DSLOGIC_PRO_FPGA_FIRMWARE;
540 } else if (!strcmp(devc->profile->model, "DSLogic Plus")){
541 fpga_firmware = DSLOGIC_PLUS_FPGA_FIRMWARE;
542 } else if (!strcmp(devc->profile->model, "DSLogic Basic")){
543 fpga_firmware = DSLOGIC_BASIC_FPGA_FIRMWARE;
544 } else if (!strcmp(devc->profile->model, "DSCope")) {
545 fpga_firmware = DSCOPE_FPGA_FIRMWARE;
546 }
547
548 if ((ret = dslogic_fpga_firmware_upload(sdi, fpga_firmware)) != SR_OK)
549 return ret;
550 }
551 if (devc->cur_samplerate == 0) {
552 /* Samplerate hasn't been set; default to the slowest one. */
553 devc->cur_samplerate = devc->samplerates[0];
554 }
555
556 return SR_OK;
557}
558
559static int dev_close(struct sr_dev_inst *sdi)
560{
561 struct sr_usb_dev_inst *usb;
562
563 usb = sdi->conn;
564
565 if (!usb->devhdl)
566 return SR_ERR;
567
568 sr_info("fx2lafw: Closing device on %d.%d (logical) / %s (physical) interface %d.",
569 usb->bus, usb->address, sdi->connection_id, USB_INTERFACE);
570 libusb_release_interface(usb->devhdl, USB_INTERFACE);
571 libusb_close(usb->devhdl);
572 usb->devhdl = NULL;
573 sdi->status = SR_ST_INACTIVE;
574
575 return SR_OK;
576}
577
578static int config_get(uint32_t key, GVariant **data,
579 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
580{
581 struct dev_context *devc;
582 struct sr_usb_dev_inst *usb;
583 GVariant *range[2];
584 unsigned int i;
585 char str[128];
586
587 (void)cg;
588
589 if (!sdi)
590 return SR_ERR_ARG;
591
592 devc = sdi->priv;
593
594 switch (key) {
595 case SR_CONF_CONN:
596 if (!sdi->conn)
597 return SR_ERR_ARG;
598 usb = sdi->conn;
599 if (usb->address == 255)
600 /* Device still needs to re-enumerate after firmware
601 * upload, so we don't know its (future) address. */
602 return SR_ERR;
603 snprintf(str, 128, "%d.%d", usb->bus, usb->address);
604 *data = g_variant_new_string(str);
605 break;
606 case SR_CONF_VOLTAGE_THRESHOLD:
607 for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
608 if (volt_thresholds[i].range != devc->dslogic_voltage_threshold)
609 continue;
610 range[0] = g_variant_new_double(volt_thresholds[i].low);
611 range[1] = g_variant_new_double(volt_thresholds[i].high);
612 *data = g_variant_new_tuple(range, 2);
613 break;
614 }
615 break;
616 case SR_CONF_LIMIT_SAMPLES:
617 *data = g_variant_new_uint64(devc->limit_samples);
618 break;
619 case SR_CONF_SAMPLERATE:
620 *data = g_variant_new_uint64(devc->cur_samplerate);
621 break;
622 case SR_CONF_CAPTURE_RATIO:
623 *data = g_variant_new_uint64(devc->capture_ratio);
624 break;
625 case SR_CONF_EXTERNAL_CLOCK:
626 *data = g_variant_new_boolean(devc->dslogic_external_clock);
627 break;
628 case SR_CONF_CONTINUOUS:
629 *data = g_variant_new_boolean(devc->dslogic_continuous_mode);
630 break;
631 case SR_CONF_CLOCK_EDGE:
632 i = devc->dslogic_clock_edge;
633 if (i >= ARRAY_SIZE(signal_edge_names))
634 return SR_ERR_BUG;
635 *data = g_variant_new_string(signal_edge_names[0]);
636 break;
637 default:
638 return SR_ERR_NA;
639 }
640
641 return SR_OK;
642}
643
644/*
645 * Helper for mapping a string-typed configuration value to an index
646 * within a table of possible values.
647 */
648static int lookup_index(GVariant *value, const char *const *table, int len)
649{
650 const char *entry;
651 int i;
652
653 entry = g_variant_get_string(value, NULL);
654 if (!entry)
655 return -1;
656
657 /* Linear search is fine for very small tables. */
658 for (i = 0; i < len; i++) {
659 if (strcmp(entry, table[i]) == 0)
660 return i;
661 }
662
663 return -1;
664}
665
666static int config_set(uint32_t key, GVariant *data,
667 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
668{
669 struct dev_context *devc;
670 uint64_t arg;
671 int i, ret;
672 gdouble low, high;
673
674 (void)cg;
675
676 if (!sdi)
677 return SR_ERR_ARG;
678
679 if (sdi->status != SR_ST_ACTIVE)
680 return SR_ERR;
681
682 devc = sdi->priv;
683
684 ret = SR_OK;
685
686 switch (key) {
687 case SR_CONF_SAMPLERATE:
688 arg = g_variant_get_uint64(data);
689 for (i = 0; i < devc->num_samplerates; i++) {
690 if (devc->samplerates[i] == arg) {
691 devc->cur_samplerate = arg;
692 break;
693 }
694 }
695 if (i == devc->num_samplerates)
696 ret = SR_ERR_ARG;
697 break;
698 case SR_CONF_LIMIT_SAMPLES:
699 devc->limit_samples = g_variant_get_uint64(data);
700 break;
701 case SR_CONF_CAPTURE_RATIO:
702 devc->capture_ratio = g_variant_get_uint64(data);
703 ret = (devc->capture_ratio > 100) ? SR_ERR : SR_OK;
704 break;
705 case SR_CONF_VOLTAGE_THRESHOLD:
706 g_variant_get(data, "(dd)", &low, &high);
707 ret = SR_ERR_ARG;
708 for (i = 0; (unsigned int)i < ARRAY_SIZE(volt_thresholds); i++) {
709 if (fabs(volt_thresholds[i].low - low) < 0.1 &&
710 fabs(volt_thresholds[i].high - high) < 0.1) {
711 devc->dslogic_voltage_threshold = volt_thresholds[i].range;
712 break;
713 }
714 }
715 if (!strcmp(devc->profile->model, "DSLogic")) {
716 if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_5_V)
717 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_5V);
718 else
719 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_FPGA_FIRMWARE_3V3);
720 } else if (!strcmp(devc->profile->model, "DSLogic Pro")) {
721 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_PRO_FPGA_FIRMWARE);
722 } else if (!strcmp(devc->profile->model, "DSLogic Plus")) {
723 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_PLUS_FPGA_FIRMWARE);
724 } else if (!strcmp(devc->profile->model, "DSLogic Basic")) {
725 ret = dslogic_fpga_firmware_upload(sdi, DSLOGIC_BASIC_FPGA_FIRMWARE);
726 }
727 break;
728 case SR_CONF_EXTERNAL_CLOCK:
729 devc->dslogic_external_clock = g_variant_get_boolean(data);
730 break;
731 case SR_CONF_CONTINUOUS:
732 devc->dslogic_continuous_mode = g_variant_get_boolean(data);
733 break;
734 case SR_CONF_CLOCK_EDGE:
735 i = lookup_index(data, signal_edge_names,
736 ARRAY_SIZE(signal_edge_names));
737 if (i < 0)
738 return SR_ERR_ARG;
739 devc->dslogic_clock_edge = i;
740 break;
741 default:
742 ret = SR_ERR_NA;
743 }
744
745 return ret;
746}
747
748static int config_list(uint32_t key, GVariant **data,
749 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
750{
751 struct dev_context *devc;
752 GVariant *gvar, *range[2];
753 GVariantBuilder gvb;
754 unsigned int i;
755
756 (void)cg;
757
758 switch (key) {
759 case SR_CONF_SCAN_OPTIONS:
760 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
761 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
762 break;
763 case SR_CONF_DEVICE_OPTIONS:
764 if (!sdi) {
765 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
766 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
767 } else {
768 devc = sdi->priv;
769 if (!devc->dslogic)
770 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
771 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
772 else
773 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
774 dslogic_devopts, ARRAY_SIZE(dslogic_devopts), sizeof(uint32_t));
775 }
776 break;
777 case SR_CONF_VOLTAGE_THRESHOLD:
778 if (!sdi->priv)
779 return SR_ERR_ARG;
780 devc = sdi->priv;
781 if (!devc->dslogic)
782 return SR_ERR_NA;
783 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
784 for (i = 0; i < ARRAY_SIZE(volt_thresholds); i++) {
785 range[0] = g_variant_new_double(volt_thresholds[i].low);
786 range[1] = g_variant_new_double(volt_thresholds[i].high);
787 gvar = g_variant_new_tuple(range, 2);
788 g_variant_builder_add_value(&gvb, gvar);
789 }
790 *data = g_variant_builder_end(&gvb);
791 break;
792 case SR_CONF_SAMPLERATE:
793 devc = sdi->priv;
794 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
795 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), devc->samplerates,
796 devc->num_samplerates, sizeof(uint64_t));
797 g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
798 *data = g_variant_builder_end(&gvb);
799 break;
800 case SR_CONF_TRIGGER_MATCH:
801 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
802 soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches),
803 sizeof(int32_t));
804 break;
805 case SR_CONF_CLOCK_EDGE:
806 *data = g_variant_new_strv(signal_edge_names,
807 ARRAY_SIZE(signal_edge_names));
808 break;
809 default:
810 return SR_ERR_NA;
811 }
812
813 return SR_OK;
814}
815
816static int receive_data(int fd, int revents, void *cb_data)
817{
818 struct timeval tv;
819 struct drv_context *drvc;
820
821 (void)fd;
822 (void)revents;
823
824 drvc = (struct drv_context *)cb_data;
825
826 tv.tv_sec = tv.tv_usec = 0;
827 libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
828
829 return TRUE;
830}
831
832static int start_transfers(const struct sr_dev_inst *sdi)
833{
834 struct dev_context *devc;
835 struct sr_usb_dev_inst *usb;
836 struct sr_trigger *trigger;
837 struct libusb_transfer *transfer;
838 unsigned int i, num_transfers;
839 int endpoint, timeout, ret;
840 unsigned char *buf;
841 size_t size;
842
843 devc = sdi->priv;
844 usb = sdi->conn;
845
846 devc->sent_samples = 0;
847 devc->acq_aborted = FALSE;
848 devc->empty_transfer_count = 0;
849
850 if ((trigger = sr_session_trigger_get(sdi->session)) && !devc->dslogic) {
851 int pre_trigger_samples = 0;
852 if (devc->limit_samples > 0)
853 pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100;
854 devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
855 if (!devc->stl)
856 return SR_ERR_MALLOC;
857 devc->trigger_fired = FALSE;
858 } else
859 devc->trigger_fired = TRUE;
860
861 num_transfers = fx2lafw_get_number_of_transfers(devc);
862
863 if (devc->dslogic) {
864 if (devc->cur_samplerate == SR_MHZ(100))
865 num_transfers = 16;
866 else if (devc->cur_samplerate == SR_MHZ(200))
867 num_transfers = 8;
868 else if (devc->cur_samplerate == SR_MHZ(400))
869 num_transfers = 4;
870 }
871
872 size = fx2lafw_get_buffer_size(devc);
873 devc->submitted_transfers = 0;
874
875 devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
876 if (!devc->transfers) {
877 sr_err("USB transfers malloc failed.");
878 return SR_ERR_MALLOC;
879 }
880
881 timeout = fx2lafw_get_timeout(devc);
882 endpoint = devc->dslogic ? 6 : 2;
883 devc->num_transfers = num_transfers;
884 for (i = 0; i < num_transfers; i++) {
885 if (!(buf = g_try_malloc(size))) {
886 sr_err("USB transfer buffer malloc failed.");
887 return SR_ERR_MALLOC;
888 }
889 transfer = libusb_alloc_transfer(0);
890 libusb_fill_bulk_transfer(transfer, usb->devhdl,
891 endpoint | LIBUSB_ENDPOINT_IN, buf, size,
892 fx2lafw_receive_transfer, (void *)sdi, timeout);
893 sr_info("submitting transfer: %d", i);
894 if ((ret = libusb_submit_transfer(transfer)) != 0) {
895 sr_err("Failed to submit transfer: %s.",
896 libusb_error_name(ret));
897 libusb_free_transfer(transfer);
898 g_free(buf);
899 fx2lafw_abort_acquisition(devc);
900 return SR_ERR;
901 }
902 devc->transfers[i] = transfer;
903 devc->submitted_transfers++;
904 }
905
906 /*
907 * If this device has analog channels and at least one of them is
908 * enabled, use mso_send_data_proc() to properly handle the analog
909 * data. Otherwise use la_send_data_proc().
910 */
911 if (g_slist_length(devc->enabled_analog_channels) > 0)
912 devc->send_data_proc = mso_send_data_proc;
913 else
914 devc->send_data_proc = la_send_data_proc;
915
916 std_session_send_df_header(sdi);
917
918 return SR_OK;
919}
920
921static void LIBUSB_CALL dslogic_trigger_receive(struct libusb_transfer *transfer)
922{
923 const struct sr_dev_inst *sdi;
924 struct dslogic_trigger_pos *tpos;
925 struct dev_context *devc;
926
927 sdi = transfer->user_data;
928 devc = sdi->priv;
929 if (transfer->status == LIBUSB_TRANSFER_CANCELLED) {
930 sr_dbg("Trigger transfer canceled.");
931 /* Terminate session. */
932 std_session_send_df_end(sdi);
933 usb_source_remove(sdi->session, devc->ctx);
934 devc->num_transfers = 0;
935 g_free(devc->transfers);
936 if (devc->stl) {
937 soft_trigger_logic_free(devc->stl);
938 devc->stl = NULL;
939 }
940 } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED
941 && transfer->actual_length == sizeof(struct dslogic_trigger_pos)) {
942 tpos = (struct dslogic_trigger_pos *)transfer->buffer;
943 sr_info("tpos real_pos %d ram_saddr %d cnt %d", tpos->real_pos,
944 tpos->ram_saddr, tpos->remain_cnt);
945 devc->trigger_pos = tpos->real_pos;
946 g_free(tpos);
947 start_transfers(sdi);
948 }
949 libusb_free_transfer(transfer);
950}
951
952static int dslogic_trigger_request(const struct sr_dev_inst *sdi)
953{
954 struct sr_usb_dev_inst *usb;
955 struct libusb_transfer *transfer;
956 struct dslogic_trigger_pos *tpos;
957 struct dev_context *devc;
958 int ret;
959
960 usb = sdi->conn;
961 devc = sdi->priv;
962
963 if ((ret = dslogic_stop_acquisition(sdi)) != SR_OK)
964 return ret;
965
966 if ((ret = dslogic_fpga_configure(sdi)) != SR_OK)
967 return ret;
968
969 /* If this is a DSLogic Pro, set the voltage threshold. */
970 if (!strcmp(devc->profile->model, "DSLogic Pro")){
971 if (devc->dslogic_voltage_threshold == DS_VOLTAGE_RANGE_18_33_V) {
972 dslogic_set_vth(sdi, 1.4);
973 } else {
974 dslogic_set_vth(sdi, 3.3);
975 }
976 }
977
978 if ((ret = dslogic_start_acquisition(sdi)) != SR_OK)
979 return ret;
980
981 sr_dbg("Getting trigger.");
982 tpos = g_malloc(sizeof(struct dslogic_trigger_pos));
983 transfer = libusb_alloc_transfer(0);
984 libusb_fill_bulk_transfer(transfer, usb->devhdl, 6 | LIBUSB_ENDPOINT_IN,
985 (unsigned char *)tpos, sizeof(struct dslogic_trigger_pos),
986 dslogic_trigger_receive, (void *)sdi, 0);
987 if ((ret = libusb_submit_transfer(transfer)) < 0) {
988 sr_err("Failed to request trigger: %s.", libusb_error_name(ret));
989 libusb_free_transfer(transfer);
990 g_free(tpos);
991 return SR_ERR;
992 }
993
994 devc->transfers = g_try_malloc0(sizeof(*devc->transfers));
995 if (!devc->transfers) {
996 sr_err("USB trigger_pos transfer malloc failed.");
997 return SR_ERR_MALLOC;
998 }
999 devc->num_transfers = 1;
1000 devc->submitted_transfers++;
1001 devc->transfers[0] = transfer;
1002
1003 return ret;
1004}
1005
1006static int configure_channels(const struct sr_dev_inst *sdi)
1007{
1008 struct dev_context *devc;
1009 const GSList *l;
1010 int p;
1011 struct sr_channel *ch;
1012 uint32_t channel_mask = 0, num_analog = 0;
1013
1014 devc = sdi->priv;
1015
1016 g_slist_free(devc->enabled_analog_channels);
1017 devc->enabled_analog_channels = NULL;
1018
1019 for (l = sdi->channels, p = 0; l; l = l->next, p++) {
1020 ch = l->data;
1021 if ((p <= NUM_CHANNELS) && (ch->type == SR_CHANNEL_ANALOG)
1022 && (ch->enabled)) {
1023 num_analog++;
1024 devc->enabled_analog_channels =
1025 g_slist_append(devc->enabled_analog_channels, ch);
1026 } else {
1027 channel_mask |= ch->enabled << p;
1028 }
1029 }
1030
1031 /*
1032 * Use wide sampling if either any of the LA channels 8..15 is enabled,
1033 * and/or at least one analog channel is enabled, and/or the device
1034 * is running DSLogic firmware (not fx2lafw).
1035 */
1036 devc->sample_wide = (channel_mask > 0xff
1037 || num_analog > 0
1038 || (devc->profile->dev_caps & DEV_CAPS_DSLOGIC_FW));
1039
1040 return SR_OK;
1041}
1042
1043static int dev_acquisition_start(const struct sr_dev_inst *sdi)
1044{
1045 struct sr_dev_driver *di;
1046 struct drv_context *drvc;
1047 struct dev_context *devc;
1048 int timeout, ret;
1049 size_t size;
1050
1051 if (sdi->status != SR_ST_ACTIVE)
1052 return SR_ERR_DEV_CLOSED;
1053
1054 di = sdi->driver;
1055 drvc = di->context;
1056 devc = sdi->priv;
1057
1058 devc->ctx = drvc->sr_ctx;
1059 devc->sent_samples = 0;
1060 devc->empty_transfer_count = 0;
1061 devc->acq_aborted = FALSE;
1062
1063 if (configure_channels(sdi) != SR_OK) {
1064 sr_err("Failed to configure channels.");
1065 return SR_ERR;
1066 }
1067
1068 timeout = fx2lafw_get_timeout(devc);
1069 usb_source_add(sdi->session, devc->ctx, timeout, receive_data, drvc);
1070
1071 if (devc->dslogic) {
1072 dslogic_trigger_request(sdi);
1073 } else {
1074 size = fx2lafw_get_buffer_size(devc);
1075 /* Prepare for analog sampling. */
1076 if (g_slist_length(devc->enabled_analog_channels) > 0) {
1077 /* We need a buffer half the size of a transfer. */
1078 devc->logic_buffer = g_try_malloc(size / 2);
1079 devc->analog_buffer = g_try_malloc(
1080 sizeof(float) * size / 2);
1081 }
1082 start_transfers(sdi);
1083 if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) {
1084 fx2lafw_abort_acquisition(devc);
1085 return ret;
1086 }
1087 }
1088
1089 return SR_OK;
1090}
1091
1092static int dev_acquisition_stop(struct sr_dev_inst *sdi)
1093{
1094 struct dev_context *devc;
1095
1096 devc = sdi->priv;
1097
1098 if (devc->dslogic)
1099 dslogic_stop_acquisition(sdi);
1100
1101 fx2lafw_abort_acquisition(sdi->priv);
1102
1103 return SR_OK;
1104}
1105
1106static struct sr_dev_driver fx2lafw_driver_info = {
1107 .name = "fx2lafw",
1108 .longname = "fx2lafw (generic driver for FX2 based LAs)",
1109 .api_version = 1,
1110 .init = std_init,
1111 .cleanup = std_cleanup,
1112 .scan = scan,
1113 .dev_list = std_dev_list,
1114 .dev_clear = dev_clear,
1115 .config_get = config_get,
1116 .config_set = config_set,
1117 .config_list = config_list,
1118 .dev_open = dev_open,
1119 .dev_close = dev_close,
1120 .dev_acquisition_start = dev_acquisition_start,
1121 .dev_acquisition_stop = dev_acquisition_stop,
1122 .context = NULL,
1123};
1124SR_REGISTER_DEV_DRIVER(fx2lafw_driver_info);
Hardware access and backend lib