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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 const uint32_t drvopts[] = { | |
36 | SR_CONF_OSCILLOSCOPE, | |
37 | }; | |
38 | ||
39 | static const uint32_t devopts[] = { | |
40 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, | |
41 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
42 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
43 | SR_CONF_NUM_HDIV | SR_CONF_GET, | |
44 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
45 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
46 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
47 | }; | |
48 | ||
49 | static const uint32_t analog_devopts[] = { | |
50 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
51 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
52 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
53 | }; | |
54 | ||
55 | static int check_manufacturer(const char *manufacturer) | |
56 | { | |
57 | unsigned int i; | |
58 | ||
59 | for (i = 0; i < ARRAY_SIZE(manufacturers); i++) | |
60 | if (!strcmp(manufacturer, manufacturers[i])) | |
61 | return SR_OK; | |
62 | ||
63 | return SR_ERR; | |
64 | } | |
65 | ||
66 | static struct sr_dev_inst *probe_serial_device(struct sr_scpi_dev_inst *scpi) | |
67 | { | |
68 | struct sr_dev_inst *sdi; | |
69 | struct dev_context *devc; | |
70 | struct sr_scpi_hw_info *hw_info; | |
71 | ||
72 | sdi = NULL; | |
73 | devc = NULL; | |
74 | hw_info = NULL; | |
75 | ||
76 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
77 | sr_info("Couldn't get IDN response."); | |
78 | goto fail; | |
79 | } | |
80 | ||
81 | if (check_manufacturer(hw_info->manufacturer) != SR_OK) | |
82 | goto fail; | |
83 | ||
84 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
85 | sdi->vendor = g_strdup(hw_info->manufacturer); | |
86 | sdi->model = g_strdup(hw_info->model); | |
87 | sdi->version = g_strdup(hw_info->firmware_version); | |
88 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
89 | sdi->driver = &lecroy_xstream_driver_info; | |
90 | sdi->inst_type = SR_INST_SCPI; | |
91 | sdi->conn = scpi; | |
92 | ||
93 | sr_scpi_hw_info_free(hw_info); | |
94 | hw_info = NULL; | |
95 | ||
96 | devc = g_malloc0(sizeof(struct dev_context)); | |
97 | ||
98 | sdi->priv = devc; | |
99 | ||
100 | if (lecroy_xstream_init_device(sdi) != SR_OK) | |
101 | goto fail; | |
102 | ||
103 | return sdi; | |
104 | ||
105 | fail: | |
106 | sr_scpi_hw_info_free(hw_info); | |
107 | sr_dev_inst_free(sdi); | |
108 | g_free(devc); | |
109 | ||
110 | return NULL; | |
111 | } | |
112 | ||
113 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
114 | { | |
115 | return sr_scpi_scan(di->context, options, probe_serial_device); | |
116 | } | |
117 | ||
118 | static void clear_helper(struct dev_context *devc) | |
119 | { | |
120 | lecroy_xstream_state_free(devc->model_state); | |
121 | g_free(devc->analog_groups); | |
122 | } | |
123 | ||
124 | static int dev_clear(const struct sr_dev_driver *di) | |
125 | { | |
126 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); | |
127 | } | |
128 | ||
129 | static int dev_open(struct sr_dev_inst *sdi) | |
130 | { | |
131 | if (sr_scpi_open(sdi->conn) != SR_OK) | |
132 | return SR_ERR; | |
133 | ||
134 | if (lecroy_xstream_state_get(sdi) != SR_OK) | |
135 | return SR_ERR; | |
136 | ||
137 | return SR_OK; | |
138 | } | |
139 | ||
140 | static int dev_close(struct sr_dev_inst *sdi) | |
141 | { | |
142 | return sr_scpi_close(sdi->conn); | |
143 | } | |
144 | ||
145 | static int config_get(uint32_t key, GVariant **data, | |
146 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
147 | { | |
148 | int ret; | |
149 | unsigned int i; | |
150 | struct dev_context *devc; | |
151 | const struct scope_config *model; | |
152 | struct scope_state *state; | |
153 | ||
154 | if (!sdi) | |
155 | return SR_ERR_ARG; | |
156 | ||
157 | devc = sdi->priv; | |
158 | ||
159 | ret = SR_ERR_NA; | |
160 | model = devc->model_config; | |
161 | state = devc->model_state; | |
162 | *data = NULL; | |
163 | ||
164 | switch (key) { | |
165 | case SR_CONF_NUM_HDIV: | |
166 | *data = g_variant_new_int32(model->num_xdivs); | |
167 | ret = SR_OK; | |
168 | break; | |
169 | case SR_CONF_TIMEBASE: | |
170 | *data = g_variant_new("(tt)", | |
171 | model->timebases[state->timebase].p, | |
172 | model->timebases[state->timebase].q); | |
173 | ret = SR_OK; | |
174 | break; | |
175 | case SR_CONF_NUM_VDIV: | |
176 | for (i = 0; i < model->analog_channels; i++) { | |
177 | if (cg != devc->analog_groups[i]) | |
178 | continue; | |
179 | *data = g_variant_new_int32(model->num_ydivs); | |
180 | ret = SR_OK; | |
181 | } | |
182 | break; | |
183 | case SR_CONF_VDIV: | |
184 | for (i = 0; i < model->analog_channels; i++) { | |
185 | if (cg != devc->analog_groups[i]) | |
186 | continue; | |
187 | *data = g_variant_new("(tt)", | |
188 | model->vdivs[state->analog_channels[i].vdiv].p, | |
189 | model->vdivs[state->analog_channels[i].vdiv].q); | |
190 | ret = SR_OK; | |
191 | } | |
192 | break; | |
193 | case SR_CONF_TRIGGER_SOURCE: | |
194 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
195 | ret = SR_OK; | |
196 | break; | |
197 | case SR_CONF_TRIGGER_SLOPE: | |
198 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
199 | ret = SR_OK; | |
200 | break; | |
201 | case SR_CONF_HORIZ_TRIGGERPOS: | |
202 | *data = g_variant_new_double(state->horiz_triggerpos); | |
203 | ret = SR_OK; | |
204 | break; | |
205 | case SR_CONF_COUPLING: | |
206 | for (i = 0; i < model->analog_channels; i++) { | |
207 | if (cg != devc->analog_groups[i]) | |
208 | continue; | |
209 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
210 | ret = SR_OK; | |
211 | } | |
212 | break; | |
213 | case SR_CONF_SAMPLERATE: | |
214 | *data = g_variant_new_uint64(state->sample_rate); | |
215 | ret = SR_OK; | |
216 | break; | |
217 | case SR_CONF_ENABLED: | |
218 | *data = g_variant_new_boolean(FALSE); | |
219 | ret = SR_OK; | |
220 | break; | |
221 | default: | |
222 | ret = SR_ERR_NA; | |
223 | } | |
224 | ||
225 | return ret; | |
226 | } | |
227 | ||
228 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) | |
229 | { | |
230 | unsigned int i; | |
231 | GVariant *rational[2]; | |
232 | GVariantBuilder gvb; | |
233 | ||
234 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
235 | ||
236 | for (i = 0; i < n; i++) { | |
237 | rational[0] = g_variant_new_uint64(array[i].p); | |
238 | rational[1] = g_variant_new_uint64(array[i].q); | |
239 | ||
240 | /* FIXME: Valgrind reports a memory leak here. */ | |
241 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
242 | } | |
243 | ||
244 | return g_variant_builder_end(&gvb); | |
245 | } | |
246 | ||
247 | static int config_set(uint32_t key, GVariant *data, | |
248 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
249 | { | |
250 | int ret; | |
251 | unsigned int i, j; | |
252 | char command[MAX_COMMAND_SIZE]; | |
253 | struct dev_context *devc; | |
254 | const struct scope_config *model; | |
255 | struct scope_state *state; | |
256 | const char *tmp; | |
257 | int64_t p; | |
258 | uint64_t q; | |
259 | double tmp_d; | |
260 | gboolean update_sample_rate; | |
261 | ||
262 | if (!sdi) | |
263 | return SR_ERR_ARG; | |
264 | ||
265 | devc = sdi->priv; | |
266 | ||
267 | model = devc->model_config; | |
268 | state = devc->model_state; | |
269 | update_sample_rate = FALSE; | |
270 | ||
271 | ret = SR_ERR_NA; | |
272 | ||
273 | switch (key) { | |
274 | case SR_CONF_LIMIT_FRAMES: | |
275 | devc->frame_limit = g_variant_get_uint64(data); | |
276 | ret = SR_OK; | |
277 | break; | |
278 | case SR_CONF_TRIGGER_SOURCE: | |
279 | tmp = g_variant_get_string(data, NULL); | |
280 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
281 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
282 | continue; | |
283 | state->trigger_source = i; | |
284 | g_snprintf(command, sizeof(command), | |
285 | "SET TRIGGER SOURCE %s", | |
286 | (*model->trigger_sources)[i]); | |
287 | ||
288 | ret = sr_scpi_send(sdi->conn, command); | |
289 | break; | |
290 | } | |
291 | break; | |
292 | case SR_CONF_VDIV: | |
293 | g_variant_get(data, "(tt)", &p, &q); | |
294 | ||
295 | for (i = 0; i < model->num_vdivs; i++) { | |
296 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
297 | continue; | |
298 | for (j = 1; j <= model->analog_channels; j++) { | |
299 | if (cg != devc->analog_groups[j - 1]) | |
300 | continue; | |
301 | state->analog_channels[j - 1].vdiv = i; | |
302 | g_snprintf(command, sizeof(command), | |
303 | "C%d:VDIV %E", j, (float)p/q); | |
304 | ||
305 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
306 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
307 | return SR_ERR; | |
308 | ||
309 | break; | |
310 | } | |
311 | ||
312 | ret = SR_OK; | |
313 | break; | |
314 | } | |
315 | break; | |
316 | case SR_CONF_TIMEBASE: | |
317 | g_variant_get(data, "(tt)", &p, &q); | |
318 | ||
319 | for (i = 0; i < model->num_timebases; i++) { | |
320 | if (p != model->timebases[i].p || | |
321 | q != model->timebases[i].q) | |
322 | continue; | |
323 | state->timebase = i; | |
324 | g_snprintf(command, sizeof(command), | |
325 | "TIME_DIV %E", (float)p/q); | |
326 | ||
327 | ret = sr_scpi_send(sdi->conn, command); | |
328 | update_sample_rate = TRUE; | |
329 | break; | |
330 | } | |
331 | break; | |
332 | case SR_CONF_HORIZ_TRIGGERPOS: | |
333 | tmp_d = g_variant_get_double(data); | |
334 | ||
335 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
336 | return SR_ERR; | |
337 | ||
338 | state->horiz_triggerpos = tmp_d; | |
339 | tmp_d = -(tmp_d - 0.5) * | |
340 | ((double)model->timebases[state->timebase].p / | |
341 | model->timebases[state->timebase].q) | |
342 | * model->num_xdivs; | |
343 | ||
344 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
345 | ||
346 | ret = sr_scpi_send(sdi->conn, command); | |
347 | break; | |
348 | case SR_CONF_TRIGGER_SLOPE: | |
349 | tmp = g_variant_get_string(data, NULL); | |
350 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
351 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
352 | continue; | |
353 | state->trigger_slope = i; | |
354 | g_snprintf(command, sizeof(command), | |
355 | "SET TRIGGER SLOPE %s", | |
356 | (*model->trigger_slopes)[i]); | |
357 | ||
358 | ret = sr_scpi_send(sdi->conn, command); | |
359 | break; | |
360 | } | |
361 | break; | |
362 | case SR_CONF_COUPLING: | |
363 | tmp = g_variant_get_string(data, NULL); | |
364 | ||
365 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
366 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
367 | continue; | |
368 | for (j = 1; j <= model->analog_channels; j++) { | |
369 | if (cg != devc->analog_groups[j - 1]) | |
370 | continue; | |
371 | state->analog_channels[j - 1].coupling = i; | |
372 | ||
373 | g_snprintf(command, sizeof(command), | |
374 | "C%d:COUPLING %s", j, tmp); | |
375 | ||
376 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
377 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
378 | return SR_ERR; | |
379 | break; | |
380 | } | |
381 | ||
382 | ret = SR_OK; | |
383 | break; | |
384 | } | |
385 | break; | |
386 | default: | |
387 | ret = SR_ERR_NA; | |
388 | break; | |
389 | } | |
390 | ||
391 | if (ret == SR_OK) | |
392 | ret = sr_scpi_get_opc(sdi->conn); | |
393 | ||
394 | if (ret == SR_OK && update_sample_rate) | |
395 | ret = lecroy_xstream_update_sample_rate(sdi); | |
396 | ||
397 | return ret; | |
398 | } | |
399 | ||
400 | static int config_list(uint32_t key, GVariant **data, | |
401 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
402 | { | |
403 | struct dev_context *devc = NULL; | |
404 | const struct scope_config *model = NULL; | |
405 | ||
406 | (void)cg; | |
407 | ||
408 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or channel group. */ | |
409 | if (key == SR_CONF_SCAN_OPTIONS) { | |
410 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
411 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
412 | return SR_OK; | |
413 | } | |
414 | ||
415 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ | |
416 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
417 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
418 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); | |
419 | return SR_OK; | |
420 | } | |
421 | ||
422 | /* Every other option requires a valid device instance. */ | |
423 | if (!sdi) | |
424 | return SR_ERR_ARG; | |
425 | ||
426 | devc = sdi->priv; | |
427 | model = devc->model_config; | |
428 | ||
429 | switch (key) { | |
430 | case SR_CONF_DEVICE_OPTIONS: | |
431 | if (!cg) { | |
432 | /* If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not | |
433 | * specific to a channel group must be returned. */ | |
434 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
435 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
436 | return SR_OK; | |
437 | } | |
438 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
439 | analog_devopts, ARRAY_SIZE(analog_devopts), | |
440 | sizeof(uint32_t)); | |
441 | break; | |
442 | case SR_CONF_COUPLING: | |
443 | *data = g_variant_new_strv(*model->coupling_options, | |
444 | g_strv_length((char **)*model->coupling_options)); | |
445 | break; | |
446 | case SR_CONF_TRIGGER_SOURCE: | |
447 | if (!model) | |
448 | return SR_ERR_ARG; | |
449 | *data = g_variant_new_strv(*model->trigger_sources, | |
450 | g_strv_length((char **)*model->trigger_sources)); | |
451 | break; | |
452 | case SR_CONF_TRIGGER_SLOPE: | |
453 | if (!model) | |
454 | return SR_ERR_ARG; | |
455 | *data = g_variant_new_strv(*model->trigger_slopes, | |
456 | g_strv_length((char **)*model->trigger_slopes)); | |
457 | break; | |
458 | case SR_CONF_TIMEBASE: | |
459 | if (!model) | |
460 | return SR_ERR_ARG; | |
461 | *data = build_tuples(model->timebases, model->num_timebases); | |
462 | break; | |
463 | case SR_CONF_VDIV: | |
464 | if (!model) | |
465 | return SR_ERR_ARG; | |
466 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
467 | break; | |
468 | default: | |
469 | return SR_ERR_NA; | |
470 | } | |
471 | return SR_OK; | |
472 | } | |
473 | ||
474 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) | |
475 | { | |
476 | char command[MAX_COMMAND_SIZE]; | |
477 | struct sr_channel *ch; | |
478 | struct dev_context *devc; | |
479 | ||
480 | devc = sdi->priv; | |
481 | ||
482 | ch = devc->current_channel->data; | |
483 | ||
484 | if (ch->type != SR_CHANNEL_ANALOG) | |
485 | return SR_ERR; | |
486 | ||
487 | g_snprintf(command, sizeof(command), | |
488 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1); | |
489 | return sr_scpi_send(sdi->conn, command); | |
490 | } | |
491 | ||
492 | static int setup_channels(const struct sr_dev_inst *sdi) | |
493 | { | |
494 | GSList *l; | |
495 | gboolean setup_changed; | |
496 | char command[MAX_COMMAND_SIZE]; | |
497 | struct scope_state *state; | |
498 | struct sr_channel *ch; | |
499 | struct dev_context *devc; | |
500 | struct sr_scpi_dev_inst *scpi; | |
501 | ||
502 | devc = sdi->priv; | |
503 | scpi = sdi->conn; | |
504 | state = devc->model_state; | |
505 | setup_changed = FALSE; | |
506 | ||
507 | for (l = sdi->channels; l; l = l->next) { | |
508 | ch = l->data; | |
509 | switch (ch->type) { | |
510 | case SR_CHANNEL_ANALOG: | |
511 | if (ch->enabled == state->analog_channels[ch->index].state) | |
512 | break; | |
513 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
514 | ch->index + 1, ch->enabled ? "ON" : "OFF"); | |
515 | ||
516 | if (sr_scpi_send(scpi, command) != SR_OK) | |
517 | return SR_ERR; | |
518 | state->analog_channels[ch->index].state = ch->enabled; | |
519 | setup_changed = TRUE; | |
520 | break; | |
521 | default: | |
522 | return SR_ERR; | |
523 | } | |
524 | } | |
525 | ||
526 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
527 | return SR_ERR; | |
528 | ||
529 | return SR_OK; | |
530 | } | |
531 | ||
532 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
533 | { | |
534 | GSList *l; | |
535 | struct sr_channel *ch; | |
536 | struct dev_context *devc; | |
537 | int ret; | |
538 | struct sr_scpi_dev_inst *scpi; | |
539 | ||
540 | devc = sdi->priv; | |
541 | scpi = sdi->conn; | |
542 | /* Preset empty results. */ | |
543 | g_slist_free(devc->enabled_channels); | |
544 | devc->enabled_channels = NULL; | |
545 | ||
546 | /* | |
547 | * Contruct the list of enabled channels. Determine the highest | |
548 | * number of digital pods involved in the acquisition. | |
549 | */ | |
550 | ||
551 | for (l = sdi->channels; l; l = l->next) { | |
552 | ch = l->data; | |
553 | if (!ch->enabled) | |
554 | continue; | |
555 | /* Only add a single digital channel per group (pod). */ | |
556 | devc->enabled_channels = g_slist_append( | |
557 | devc->enabled_channels, ch); | |
558 | } | |
559 | ||
560 | if (!devc->enabled_channels) | |
561 | return SR_ERR; | |
562 | ||
563 | /* | |
564 | * Configure the analog channels and the | |
565 | * corresponding digital pods. | |
566 | */ | |
567 | if (setup_channels(sdi) != SR_OK) { | |
568 | sr_err("Failed to setup channel configuration!"); | |
569 | ret = SR_ERR; | |
570 | goto free_enabled; | |
571 | } | |
572 | ||
573 | /* | |
574 | * Start acquisition on the first enabled channel. The | |
575 | * receive routine will continue driving the acquisition. | |
576 | */ | |
577 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
578 | lecroy_xstream_receive_data, (void *)sdi); | |
579 | ||
580 | std_session_send_df_header(sdi); | |
581 | ||
582 | devc->current_channel = devc->enabled_channels; | |
583 | ||
584 | return lecroy_xstream_request_data(sdi); | |
585 | ||
586 | free_enabled: | |
587 | g_slist_free(devc->enabled_channels); | |
588 | devc->enabled_channels = NULL; | |
589 | ||
590 | return ret; | |
591 | } | |
592 | ||
593 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
594 | { | |
595 | struct dev_context *devc; | |
596 | struct sr_scpi_dev_inst *scpi; | |
597 | ||
598 | std_session_send_df_end(sdi); | |
599 | ||
600 | devc = sdi->priv; | |
601 | ||
602 | devc->num_frames = 0; | |
603 | g_slist_free(devc->enabled_channels); | |
604 | devc->enabled_channels = NULL; | |
605 | scpi = sdi->conn; | |
606 | sr_scpi_source_remove(sdi->session, scpi); | |
607 | ||
608 | return SR_OK; | |
609 | } | |
610 | ||
611 | static struct sr_dev_driver lecroy_xstream_driver_info = { | |
612 | .name = "lecroy-xstream", | |
613 | .longname = "LeCroy X-Stream", | |
614 | .api_version = 1, | |
615 | .init = std_init, | |
616 | .cleanup = std_cleanup, | |
617 | .scan = scan, | |
618 | .dev_list = std_dev_list, | |
619 | .dev_clear = dev_clear, | |
620 | .config_get = config_get, | |
621 | .config_set = config_set, | |
622 | .config_list = config_list, | |
623 | .dev_open = dev_open, | |
624 | .dev_close = dev_close, | |
625 | .dev_acquisition_start = dev_acquisition_start, | |
626 | .dev_acquisition_stop = dev_acquisition_stop, | |
627 | .context = NULL, | |
628 | }; | |
629 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |