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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2017 Sven Schnelle <svens@stackframe.org> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <stdlib.h> | |
22 | #include "scpi.h" | |
23 | #include "protocol.h" | |
24 | ||
25 | static struct sr_dev_driver lecroy_xstream_driver_info; | |
26 | ||
27 | static const char *manufacturers[] = { | |
28 | "LECROY", | |
29 | }; | |
30 | ||
31 | static const uint32_t scanopts[] = { | |
32 | SR_CONF_CONN, | |
33 | }; | |
34 | ||
35 | static int check_manufacturer(const char *manufacturer) | |
36 | { | |
37 | unsigned int i; | |
38 | ||
39 | for (i = 0; i < ARRAY_SIZE(manufacturers); i++) | |
40 | if (!strcmp(manufacturer, manufacturers[i])) | |
41 | return SR_OK; | |
42 | ||
43 | return SR_ERR; | |
44 | } | |
45 | ||
46 | static struct sr_dev_inst *probe_serial_device(struct sr_scpi_dev_inst *scpi) | |
47 | { | |
48 | struct sr_dev_inst *sdi; | |
49 | struct dev_context *devc; | |
50 | struct sr_scpi_hw_info *hw_info; | |
51 | ||
52 | sdi = NULL; | |
53 | devc = NULL; | |
54 | hw_info = NULL; | |
55 | ||
56 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
57 | sr_info("Couldn't get IDN response."); | |
58 | goto fail; | |
59 | } | |
60 | ||
61 | if (check_manufacturer(hw_info->manufacturer) != SR_OK) | |
62 | goto fail; | |
63 | ||
64 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
65 | sdi->vendor = g_strdup(hw_info->manufacturer); | |
66 | sdi->model = g_strdup(hw_info->model); | |
67 | sdi->version = g_strdup(hw_info->firmware_version); | |
68 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
69 | sdi->driver = &lecroy_xstream_driver_info; | |
70 | sdi->inst_type = SR_INST_SCPI; | |
71 | sdi->conn = scpi; | |
72 | ||
73 | sr_scpi_hw_info_free(hw_info); | |
74 | hw_info = NULL; | |
75 | ||
76 | devc = g_malloc0(sizeof(struct dev_context)); | |
77 | ||
78 | sdi->priv = devc; | |
79 | ||
80 | if (lecroy_xstream_init_device(sdi) != SR_OK) | |
81 | goto fail; | |
82 | ||
83 | return sdi; | |
84 | ||
85 | fail: | |
86 | sr_scpi_hw_info_free(hw_info); | |
87 | if (sdi) | |
88 | sr_dev_inst_free(sdi); | |
89 | g_free(devc); | |
90 | ||
91 | return NULL; | |
92 | } | |
93 | ||
94 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
95 | { | |
96 | return sr_scpi_scan(di->context, options, probe_serial_device); | |
97 | } | |
98 | ||
99 | static void clear_helper(void *priv) | |
100 | { | |
101 | struct dev_context *devc; | |
102 | ||
103 | devc = priv; | |
104 | ||
105 | lecroy_xstream_state_free(devc->model_state); | |
106 | ||
107 | g_free(devc->analog_groups); | |
108 | ||
109 | g_free(devc); | |
110 | } | |
111 | ||
112 | static int dev_clear(const struct sr_dev_driver *di) | |
113 | { | |
114 | return std_dev_clear(di, clear_helper); | |
115 | } | |
116 | ||
117 | static int dev_open(struct sr_dev_inst *sdi) | |
118 | { | |
119 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) | |
120 | return SR_ERR; | |
121 | ||
122 | if (lecroy_xstream_state_get(sdi) != SR_OK) | |
123 | return SR_ERR; | |
124 | ||
125 | sdi->status = SR_ST_ACTIVE; | |
126 | ||
127 | return SR_OK; | |
128 | } | |
129 | ||
130 | static int dev_close(struct sr_dev_inst *sdi) | |
131 | { | |
132 | if (sdi->status == SR_ST_INACTIVE) | |
133 | return SR_OK; | |
134 | ||
135 | sr_scpi_close(sdi->conn); | |
136 | ||
137 | sdi->status = SR_ST_INACTIVE; | |
138 | ||
139 | return SR_OK; | |
140 | } | |
141 | ||
142 | static int config_get(uint32_t key, GVariant **data, | |
143 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
144 | { | |
145 | int ret; | |
146 | unsigned int i; | |
147 | struct dev_context *devc; | |
148 | const struct scope_config *model; | |
149 | struct scope_state *state; | |
150 | ||
151 | if (!sdi) | |
152 | return SR_ERR_ARG; | |
153 | ||
154 | devc = sdi->priv; | |
155 | ||
156 | ret = SR_ERR_NA; | |
157 | model = devc->model_config; | |
158 | state = devc->model_state; | |
159 | *data = NULL; | |
160 | ||
161 | switch (key) { | |
162 | case SR_CONF_NUM_HDIV: | |
163 | *data = g_variant_new_int32(model->num_xdivs); | |
164 | ret = SR_OK; | |
165 | break; | |
166 | case SR_CONF_TIMEBASE: | |
167 | *data = g_variant_new("(tt)", | |
168 | model->timebases[state->timebase].p, | |
169 | model->timebases[state->timebase].q); | |
170 | ret = SR_OK; | |
171 | break; | |
172 | case SR_CONF_NUM_VDIV: | |
173 | for (i = 0; i < model->analog_channels; i++) { | |
174 | if (cg != devc->analog_groups[i]) | |
175 | continue; | |
176 | *data = g_variant_new_int32(model->num_ydivs); | |
177 | ret = SR_OK; | |
178 | } | |
179 | break; | |
180 | case SR_CONF_VDIV: | |
181 | for (i = 0; i < model->analog_channels; i++) { | |
182 | if (cg != devc->analog_groups[i]) | |
183 | continue; | |
184 | *data = g_variant_new("(tt)", | |
185 | model->vdivs[state->analog_channels[i].vdiv].p, | |
186 | model->vdivs[state->analog_channels[i].vdiv].q); | |
187 | ret = SR_OK; | |
188 | } | |
189 | break; | |
190 | case SR_CONF_TRIGGER_SOURCE: | |
191 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
192 | ret = SR_OK; | |
193 | break; | |
194 | case SR_CONF_TRIGGER_SLOPE: | |
195 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
196 | ret = SR_OK; | |
197 | break; | |
198 | case SR_CONF_HORIZ_TRIGGERPOS: | |
199 | *data = g_variant_new_double(state->horiz_triggerpos); | |
200 | ret = SR_OK; | |
201 | break; | |
202 | case SR_CONF_COUPLING: | |
203 | for (i = 0; i < model->analog_channels; i++) { | |
204 | if (cg != devc->analog_groups[i]) | |
205 | continue; | |
206 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
207 | ret = SR_OK; | |
208 | } | |
209 | break; | |
210 | case SR_CONF_SAMPLERATE: | |
211 | *data = g_variant_new_uint64(state->sample_rate); | |
212 | ret = SR_OK; | |
213 | break; | |
214 | case SR_CONF_ENABLED: | |
215 | *data = g_variant_new_boolean(FALSE); | |
216 | ret = SR_OK; | |
217 | break; | |
218 | default: | |
219 | ret = SR_ERR_NA; | |
220 | } | |
221 | ||
222 | return ret; | |
223 | } | |
224 | ||
225 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) | |
226 | { | |
227 | unsigned int i; | |
228 | GVariant *rational[2]; | |
229 | GVariantBuilder gvb; | |
230 | ||
231 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
232 | ||
233 | for (i = 0; i < n; i++) { | |
234 | rational[0] = g_variant_new_uint64(array[i].p); | |
235 | rational[1] = g_variant_new_uint64(array[i].q); | |
236 | ||
237 | /* FIXME: Valgrind reports a memory leak here. */ | |
238 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
239 | } | |
240 | ||
241 | return g_variant_builder_end(&gvb); | |
242 | } | |
243 | ||
244 | static int config_set(uint32_t key, GVariant *data, | |
245 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
246 | { | |
247 | int ret; | |
248 | unsigned int i, j; | |
249 | char command[MAX_COMMAND_SIZE]; | |
250 | struct dev_context *devc; | |
251 | const struct scope_config *model; | |
252 | struct scope_state *state; | |
253 | const char *tmp; | |
254 | int64_t p; | |
255 | uint64_t q; | |
256 | double tmp_d; | |
257 | gboolean update_sample_rate; | |
258 | ||
259 | if (!sdi) | |
260 | return SR_ERR_ARG; | |
261 | ||
262 | devc = sdi->priv; | |
263 | ||
264 | model = devc->model_config; | |
265 | state = devc->model_state; | |
266 | update_sample_rate = FALSE; | |
267 | ||
268 | ret = SR_ERR_NA; | |
269 | ||
270 | switch (key) { | |
271 | case SR_CONF_LIMIT_FRAMES: | |
272 | devc->frame_limit = g_variant_get_uint64(data); | |
273 | ret = SR_OK; | |
274 | break; | |
275 | case SR_CONF_TRIGGER_SOURCE: | |
276 | tmp = g_variant_get_string(data, NULL); | |
277 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
278 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
279 | continue; | |
280 | state->trigger_source = i; | |
281 | g_snprintf(command, sizeof(command), | |
282 | "SET TRIGGER SOURCE %s", | |
283 | (*model->trigger_sources)[i]); | |
284 | ||
285 | ret = sr_scpi_send(sdi->conn, command); | |
286 | break; | |
287 | } | |
288 | break; | |
289 | case SR_CONF_VDIV: | |
290 | g_variant_get(data, "(tt)", &p, &q); | |
291 | ||
292 | for (i = 0; i < model->num_vdivs; i++) { | |
293 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
294 | continue; | |
295 | for (j = 1; j <= model->analog_channels; j++) { | |
296 | if (cg != devc->analog_groups[j - 1]) | |
297 | continue; | |
298 | state->analog_channels[j - 1].vdiv = i; | |
299 | g_snprintf(command, sizeof(command), | |
300 | "C%d:VDIV %E", j, (float)p/q); | |
301 | ||
302 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
303 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
304 | return SR_ERR; | |
305 | ||
306 | break; | |
307 | } | |
308 | ||
309 | ret = SR_OK; | |
310 | break; | |
311 | } | |
312 | break; | |
313 | case SR_CONF_TIMEBASE: | |
314 | g_variant_get(data, "(tt)", &p, &q); | |
315 | ||
316 | for (i = 0; i < model->num_timebases; i++) { | |
317 | if (p != model->timebases[i].p || | |
318 | q != model->timebases[i].q) | |
319 | continue; | |
320 | state->timebase = i; | |
321 | g_snprintf(command, sizeof(command), | |
322 | "TIME_DIV %E", (float)p/q); | |
323 | ||
324 | ret = sr_scpi_send(sdi->conn, command); | |
325 | update_sample_rate = TRUE; | |
326 | break; | |
327 | } | |
328 | break; | |
329 | case SR_CONF_HORIZ_TRIGGERPOS: | |
330 | tmp_d = g_variant_get_double(data); | |
331 | ||
332 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
333 | return SR_ERR; | |
334 | ||
335 | state->horiz_triggerpos = tmp_d; | |
336 | tmp_d = -(tmp_d - 0.5) * | |
337 | ((double)model->timebases[state->timebase].p / | |
338 | model->timebases[state->timebase].q) | |
339 | * model->num_xdivs; | |
340 | ||
341 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
342 | ||
343 | ret = sr_scpi_send(sdi->conn, command); | |
344 | break; | |
345 | case SR_CONF_TRIGGER_SLOPE: | |
346 | tmp = g_variant_get_string(data, NULL); | |
347 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
348 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
349 | continue; | |
350 | state->trigger_slope = i; | |
351 | g_snprintf(command, sizeof(command), | |
352 | "SET TRIGGER SLOPE %s", | |
353 | (*model->trigger_slopes)[i]); | |
354 | ||
355 | ret = sr_scpi_send(sdi->conn, command); | |
356 | break; | |
357 | } | |
358 | break; | |
359 | case SR_CONF_COUPLING: | |
360 | tmp = g_variant_get_string(data, NULL); | |
361 | ||
362 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
363 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
364 | continue; | |
365 | for (j = 1; j <= model->analog_channels; j++) { | |
366 | if (cg != devc->analog_groups[j - 1]) | |
367 | continue; | |
368 | state->analog_channels[j - 1].coupling = i; | |
369 | ||
370 | g_snprintf(command, sizeof(command), | |
371 | "C%d:COUPLING %s", j, tmp); | |
372 | ||
373 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
374 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
375 | return SR_ERR; | |
376 | break; | |
377 | } | |
378 | ||
379 | ret = SR_OK; | |
380 | break; | |
381 | } | |
382 | break; | |
383 | default: | |
384 | ret = SR_ERR_NA; | |
385 | break; | |
386 | } | |
387 | ||
388 | if (ret == SR_OK) | |
389 | ret = sr_scpi_get_opc(sdi->conn); | |
390 | ||
391 | if (ret == SR_OK && update_sample_rate) | |
392 | ret = lecroy_xstream_update_sample_rate(sdi); | |
393 | ||
394 | return ret; | |
395 | } | |
396 | ||
397 | static int config_list(uint32_t key, GVariant **data, | |
398 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
399 | { | |
400 | struct dev_context *devc = NULL; | |
401 | const struct scope_config *model = NULL; | |
402 | ||
403 | (void)cg; | |
404 | ||
405 | if (sdi) { | |
406 | devc = sdi->priv; | |
407 | model = devc->model_config; | |
408 | } | |
409 | ||
410 | switch (key) { | |
411 | case SR_CONF_SCAN_OPTIONS: | |
412 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
413 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
414 | break; | |
415 | case SR_CONF_DEVICE_OPTIONS: | |
416 | if (!cg) { | |
417 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
418 | model->devopts, model->num_devopts, sizeof(uint32_t)); | |
419 | break; | |
420 | } | |
421 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
422 | model->analog_devopts, model->num_analog_devopts, | |
423 | sizeof(uint32_t)); | |
424 | break; | |
425 | case SR_CONF_COUPLING: | |
426 | *data = g_variant_new_strv(*model->coupling_options, | |
427 | g_strv_length((char **)*model->coupling_options)); | |
428 | break; | |
429 | case SR_CONF_TRIGGER_SOURCE: | |
430 | if (!model) | |
431 | return SR_ERR_ARG; | |
432 | *data = g_variant_new_strv(*model->trigger_sources, | |
433 | g_strv_length((char **)*model->trigger_sources)); | |
434 | break; | |
435 | case SR_CONF_TRIGGER_SLOPE: | |
436 | if (!model) | |
437 | return SR_ERR_ARG; | |
438 | *data = g_variant_new_strv(*model->trigger_slopes, | |
439 | g_strv_length((char **)*model->trigger_slopes)); | |
440 | break; | |
441 | case SR_CONF_TIMEBASE: | |
442 | if (!model) | |
443 | return SR_ERR_ARG; | |
444 | *data = build_tuples(model->timebases, model->num_timebases); | |
445 | break; | |
446 | case SR_CONF_VDIV: | |
447 | if (!model) | |
448 | return SR_ERR_ARG; | |
449 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
450 | break; | |
451 | default: | |
452 | return SR_ERR_NA; | |
453 | } | |
454 | return SR_OK; | |
455 | } | |
456 | ||
457 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) | |
458 | { | |
459 | char command[MAX_COMMAND_SIZE]; | |
460 | struct sr_channel *ch; | |
461 | struct dev_context *devc; | |
462 | ||
463 | devc = sdi->priv; | |
464 | ||
465 | ch = devc->current_channel->data; | |
466 | ||
467 | if (ch->type != SR_CHANNEL_ANALOG) | |
468 | return SR_ERR; | |
469 | ||
470 | g_snprintf(command, sizeof(command), | |
471 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1); | |
472 | return sr_scpi_send(sdi->conn, command); | |
473 | } | |
474 | ||
475 | static int setup_channels(const struct sr_dev_inst *sdi) | |
476 | { | |
477 | GSList *l; | |
478 | gboolean setup_changed; | |
479 | char command[MAX_COMMAND_SIZE]; | |
480 | struct scope_state *state; | |
481 | struct sr_channel *ch; | |
482 | struct dev_context *devc; | |
483 | struct sr_scpi_dev_inst *scpi; | |
484 | ||
485 | devc = sdi->priv; | |
486 | scpi = sdi->conn; | |
487 | state = devc->model_state; | |
488 | setup_changed = FALSE; | |
489 | ||
490 | for (l = sdi->channels; l; l = l->next) { | |
491 | ch = l->data; | |
492 | switch (ch->type) { | |
493 | case SR_CHANNEL_ANALOG: | |
494 | if (ch->enabled == state->analog_channels[ch->index].state) | |
495 | break; | |
496 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
497 | ch->index + 1, ch->enabled ? "ON" : "OFF"); | |
498 | ||
499 | if (sr_scpi_send(scpi, command) != SR_OK) | |
500 | return SR_ERR; | |
501 | state->analog_channels[ch->index].state = ch->enabled; | |
502 | setup_changed = TRUE; | |
503 | break; | |
504 | default: | |
505 | return SR_ERR; | |
506 | } | |
507 | } | |
508 | ||
509 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
510 | return SR_ERR; | |
511 | ||
512 | return SR_OK; | |
513 | } | |
514 | ||
515 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
516 | { | |
517 | GSList *l; | |
518 | struct sr_channel *ch; | |
519 | struct dev_context *devc; | |
520 | int ret; | |
521 | struct sr_scpi_dev_inst *scpi; | |
522 | ||
523 | if (sdi->status != SR_ST_ACTIVE) | |
524 | return SR_ERR_DEV_CLOSED; | |
525 | ||
526 | devc = sdi->priv; | |
527 | scpi = sdi->conn; | |
528 | /* Preset empty results. */ | |
529 | g_slist_free(devc->enabled_channels); | |
530 | devc->enabled_channels = NULL; | |
531 | ||
532 | /* | |
533 | * Contruct the list of enabled channels. Determine the highest | |
534 | * number of digital pods involved in the acquisition. | |
535 | */ | |
536 | ||
537 | for (l = sdi->channels; l; l = l->next) { | |
538 | ch = l->data; | |
539 | if (!ch->enabled) | |
540 | continue; | |
541 | /* Only add a single digital channel per group (pod). */ | |
542 | devc->enabled_channels = g_slist_append( | |
543 | devc->enabled_channels, ch); | |
544 | } | |
545 | ||
546 | if (!devc->enabled_channels) | |
547 | return SR_ERR; | |
548 | ||
549 | /* | |
550 | * Configure the analog channels and the | |
551 | * corresponding digital pods. | |
552 | */ | |
553 | if (setup_channels(sdi) != SR_OK) { | |
554 | sr_err("Failed to setup channel configuration!"); | |
555 | ret = SR_ERR; | |
556 | goto free_enabled; | |
557 | } | |
558 | ||
559 | /* | |
560 | * Start acquisition on the first enabled channel. The | |
561 | * receive routine will continue driving the acquisition. | |
562 | */ | |
563 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
564 | lecroy_xstream_receive_data, (void *)sdi); | |
565 | ||
566 | std_session_send_df_header(sdi); | |
567 | ||
568 | devc->current_channel = devc->enabled_channels; | |
569 | ||
570 | return lecroy_xstream_request_data(sdi); | |
571 | ||
572 | free_enabled: | |
573 | g_slist_free(devc->enabled_channels); | |
574 | devc->enabled_channels = NULL; | |
575 | ||
576 | return ret; | |
577 | } | |
578 | ||
579 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
580 | { | |
581 | struct dev_context *devc; | |
582 | struct sr_scpi_dev_inst *scpi; | |
583 | ||
584 | std_session_send_df_end(sdi); | |
585 | ||
586 | if (sdi->status != SR_ST_ACTIVE) | |
587 | return SR_ERR_DEV_CLOSED; | |
588 | ||
589 | devc = sdi->priv; | |
590 | ||
591 | devc->num_frames = 0; | |
592 | g_slist_free(devc->enabled_channels); | |
593 | devc->enabled_channels = NULL; | |
594 | scpi = sdi->conn; | |
595 | sr_scpi_source_remove(sdi->session, scpi); | |
596 | ||
597 | return SR_OK; | |
598 | } | |
599 | ||
600 | static struct sr_dev_driver lecroy_xstream_driver_info = { | |
601 | .name = "lecroy-xstream", | |
602 | .longname = "LeCroy X-Stream", | |
603 | .api_version = 1, | |
604 | .init = std_init, | |
605 | .cleanup = std_cleanup, | |
606 | .scan = scan, | |
607 | .dev_list = std_dev_list, | |
608 | .dev_clear = dev_clear, | |
609 | .config_get = config_get, | |
610 | .config_set = config_set, | |
611 | .config_list = config_list, | |
612 | .dev_open = dev_open, | |
613 | .dev_close = dev_close, | |
614 | .dev_acquisition_start = dev_acquisition_start, | |
615 | .dev_acquisition_stop = dev_acquisition_stop, | |
616 | .context = NULL, | |
617 | }; | |
618 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |