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