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e3b83c5e SS |
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> | |
3f2c7c94 SS |
21 | #include <stdlib.h> |
22 | #include "scpi.h" | |
e3b83c5e SS |
23 | #include "protocol.h" |
24 | ||
3f2c7c94 SS |
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 | ||
3f2c7c94 SS |
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 | } | |
e3b83c5e SS |
93 | |
94 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
95 | { | |
3f2c7c94 SS |
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; | |
e3b83c5e | 102 | |
3f2c7c94 | 103 | devc = priv; |
e3b83c5e | 104 | |
3f2c7c94 | 105 | lecroy_xstream_state_free(devc->model_state); |
e3b83c5e | 106 | |
3f2c7c94 | 107 | g_free(devc->analog_groups); |
e3b83c5e | 108 | |
3f2c7c94 | 109 | g_free(devc); |
e3b83c5e SS |
110 | } |
111 | ||
112 | static int dev_clear(const struct sr_dev_driver *di) | |
113 | { | |
3f2c7c94 | 114 | return std_dev_clear(di, clear_helper); |
e3b83c5e SS |
115 | } |
116 | ||
117 | static int dev_open(struct sr_dev_inst *sdi) | |
118 | { | |
3f2c7c94 SS |
119 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
120 | return SR_ERR; | |
e3b83c5e | 121 | |
3f2c7c94 SS |
122 | if (lecroy_xstream_state_get(sdi) != SR_OK) |
123 | return SR_ERR; | |
e3b83c5e SS |
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 | { | |
3f2c7c94 SS |
132 | if (sdi->status == SR_ST_INACTIVE) |
133 | return SR_OK; | |
e3b83c5e | 134 | |
3f2c7c94 | 135 | sr_scpi_close(sdi->conn); |
e3b83c5e SS |
136 | |
137 | sdi->status = SR_ST_INACTIVE; | |
138 | ||
139 | return SR_OK; | |
140 | } | |
141 | ||
142 | static int config_get(uint32_t key, GVariant **data, | |
3f2c7c94 SS |
143 | const struct sr_dev_inst *sdi, |
144 | const struct sr_channel_group *cg) | |
e3b83c5e SS |
145 | { |
146 | int ret; | |
3f2c7c94 SS |
147 | unsigned int i; |
148 | struct dev_context *devc; | |
149 | const struct scope_config *model; | |
150 | struct scope_state *state; | |
e3b83c5e | 151 | |
3f2c7c94 SS |
152 | if (!sdi) |
153 | return SR_ERR_ARG; | |
154 | ||
155 | devc = sdi->priv; | |
e3b83c5e | 156 | |
3f2c7c94 SS |
157 | ret = SR_ERR_NA; |
158 | model = devc->model_config; | |
159 | state = devc->model_state; | |
160 | *data = NULL; | |
e3b83c5e | 161 | switch (key) { |
3f2c7c94 SS |
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 | ||
204 | for (i = 0; i < model->analog_channels; i++) { | |
205 | if (cg != devc->analog_groups[i]) { | |
206 | continue; | |
207 | } | |
208 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
209 | ret = SR_OK; | |
210 | } | |
211 | break; | |
212 | case SR_CONF_SAMPLERATE: | |
213 | *data = g_variant_new_uint64(state->sample_rate); | |
214 | ret = SR_OK; | |
215 | break; | |
216 | case SR_CONF_ENABLED: | |
217 | *data = g_variant_new_boolean(FALSE); | |
218 | ret = SR_OK; | |
219 | break; | |
e3b83c5e | 220 | default: |
3f2c7c94 | 221 | ret = SR_ERR_NA; |
e3b83c5e | 222 | } |
e3b83c5e SS |
223 | return ret; |
224 | } | |
225 | ||
3f2c7c94 SS |
226 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) |
227 | { | |
228 | unsigned int i; | |
229 | GVariant *rational[2]; | |
230 | GVariantBuilder gvb; | |
231 | ||
232 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
233 | ||
234 | for (i = 0; i < n; i++) { | |
235 | rational[0] = g_variant_new_uint64(array[i].p); | |
236 | rational[1] = g_variant_new_uint64(array[i].q); | |
237 | ||
238 | /* FIXME: Valgrind reports a memory leak here. */ | |
239 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
240 | } | |
241 | ||
242 | return g_variant_builder_end(&gvb); | |
243 | } | |
244 | ||
245 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
246 | const struct sr_channel_group *cg) | |
e3b83c5e SS |
247 | { |
248 | int ret; | |
3f2c7c94 SS |
249 | unsigned int i, j; |
250 | char command[MAX_COMMAND_SIZE]; | |
251 | struct dev_context *devc; | |
252 | const struct scope_config *model; | |
253 | struct scope_state *state; | |
254 | const char *tmp; | |
255 | int64_t p; | |
256 | uint64_t q; | |
257 | double tmp_d; | |
258 | gboolean update_sample_rate; | |
e3b83c5e | 259 | |
3f2c7c94 SS |
260 | if (!sdi) |
261 | return SR_ERR_ARG; | |
e3b83c5e | 262 | |
3f2c7c94 SS |
263 | devc = sdi->priv; |
264 | ||
265 | model = devc->model_config; | |
266 | state = devc->model_state; | |
267 | update_sample_rate = FALSE; | |
268 | ||
269 | ret = SR_ERR_NA; | |
e3b83c5e | 270 | |
e3b83c5e | 271 | switch (key) { |
3f2c7c94 SS |
272 | case SR_CONF_LIMIT_FRAMES: |
273 | devc->frame_limit = g_variant_get_uint64(data); | |
274 | ret = SR_OK; | |
275 | break; | |
276 | case SR_CONF_TRIGGER_SOURCE: | |
277 | tmp = g_variant_get_string(data, NULL); | |
278 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
279 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
280 | continue; | |
281 | state->trigger_source = i; | |
282 | g_snprintf(command, sizeof(command), | |
283 | "SET TRIGGER SOURCE %s", | |
284 | (*model->trigger_sources)[i]); | |
285 | ||
286 | ret = sr_scpi_send(sdi->conn, command); | |
287 | break; | |
288 | } | |
289 | break; | |
290 | case SR_CONF_VDIV: | |
291 | g_variant_get(data, "(tt)", &p, &q); | |
292 | ||
293 | for (i = 0; i < model->num_vdivs; i++) { | |
294 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
295 | continue; | |
296 | for (j = 1; j <= model->analog_channels; j++) { | |
297 | if (cg != devc->analog_groups[j - 1]) | |
298 | continue; | |
299 | state->analog_channels[j - 1].vdiv = i; | |
300 | g_snprintf(command, sizeof(command), | |
301 | "C%d:VDIV %E", j, (float)p/q); | |
302 | ||
303 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
304 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
305 | return SR_ERR; | |
306 | ||
307 | break; | |
308 | } | |
309 | ||
310 | ret = SR_OK; | |
311 | break; | |
312 | } | |
313 | break; | |
314 | case SR_CONF_TIMEBASE: | |
315 | g_variant_get(data, "(tt)", &p, &q); | |
316 | ||
317 | for (i = 0; i < model->num_timebases; i++) { | |
318 | if (p != model->timebases[i].p || | |
319 | q != model->timebases[i].q) | |
320 | continue; | |
321 | state->timebase = i; | |
322 | g_snprintf(command, sizeof(command), | |
323 | "TIME_DIV %E", (float)p/q); | |
324 | ||
325 | ret = sr_scpi_send(sdi->conn, command); | |
326 | update_sample_rate = TRUE; | |
327 | break; | |
328 | } | |
329 | break; | |
330 | case SR_CONF_HORIZ_TRIGGERPOS: | |
331 | tmp_d = g_variant_get_double(data); | |
332 | ||
333 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
334 | return SR_ERR; | |
335 | ||
336 | state->horiz_triggerpos = tmp_d; | |
337 | tmp_d = -(tmp_d - 0.5) * | |
338 | ((double)model->timebases[state->timebase].p / | |
339 | model->timebases[state->timebase].q) | |
340 | * model->num_xdivs; | |
341 | ||
342 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
343 | ||
344 | ret = sr_scpi_send(sdi->conn, command); | |
345 | break; | |
346 | case SR_CONF_TRIGGER_SLOPE: | |
347 | tmp = g_variant_get_string(data, NULL); | |
348 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
349 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
350 | continue; | |
351 | state->trigger_slope = i; | |
352 | g_snprintf(command, sizeof(command), | |
353 | "SET TRIGGER SLOPE %s", | |
354 | (*model->trigger_slopes)[i]); | |
355 | ||
356 | ret = sr_scpi_send(sdi->conn, command); | |
357 | break; | |
358 | } | |
359 | break; | |
360 | case SR_CONF_COUPLING: | |
361 | ||
362 | tmp = g_variant_get_string(data, NULL); | |
363 | ||
364 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
365 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
366 | continue; | |
367 | for (j = 1; j <= model->analog_channels; j++) { | |
368 | if (cg != devc->analog_groups[j - 1]) | |
369 | continue; | |
370 | state->analog_channels[j-1].coupling = i; | |
371 | ||
372 | g_snprintf(command, sizeof(command), | |
373 | "C%d:COUPLING %s", j, tmp); | |
374 | ||
375 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
376 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
377 | return SR_ERR; | |
378 | break; | |
379 | } | |
380 | ||
381 | ret = SR_OK; | |
382 | break; | |
383 | } | |
384 | break; | |
e3b83c5e SS |
385 | default: |
386 | ret = SR_ERR_NA; | |
3f2c7c94 | 387 | break; |
e3b83c5e SS |
388 | } |
389 | ||
3f2c7c94 SS |
390 | if (ret == SR_OK) |
391 | ret = sr_scpi_get_opc(sdi->conn); | |
392 | ||
393 | if (ret == SR_OK && update_sample_rate) | |
394 | ret = lecroy_xstream_update_sample_rate(sdi); | |
395 | ||
e3b83c5e SS |
396 | return ret; |
397 | } | |
398 | ||
3f2c7c94 SS |
399 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
400 | const struct sr_channel_group *cg) | |
e3b83c5e | 401 | { |
3f2c7c94 SS |
402 | struct dev_context *devc = NULL; |
403 | const struct scope_config *model = NULL; | |
e3b83c5e SS |
404 | (void)cg; |
405 | ||
3f2c7c94 SS |
406 | if (sdi) { |
407 | devc = sdi->priv; | |
408 | model = devc->model_config; | |
409 | } | |
410 | ||
e3b83c5e | 411 | switch (key) { |
3f2c7c94 SS |
412 | case SR_CONF_SCAN_OPTIONS: |
413 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
414 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
415 | break; | |
416 | case SR_CONF_DEVICE_OPTIONS: | |
417 | if (!cg) { | |
418 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
419 | model->devopts, | |
420 | model->num_devopts, | |
421 | sizeof(uint32_t)); | |
422 | break; | |
423 | } | |
424 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
425 | model->analog_devopts, | |
426 | model->num_analog_devopts, | |
427 | sizeof(uint32_t)); | |
428 | break; | |
429 | case SR_CONF_COUPLING: | |
430 | *data = g_variant_new_strv(*model->coupling_options, | |
431 | g_strv_length((char **)*model->coupling_options)); | |
432 | break; | |
433 | case SR_CONF_TRIGGER_SOURCE: | |
434 | if (!model) | |
435 | return SR_ERR_ARG; | |
436 | *data = g_variant_new_strv(*model->trigger_sources, | |
437 | g_strv_length((char **)*model->trigger_sources)); | |
438 | break; | |
439 | case SR_CONF_TRIGGER_SLOPE: | |
440 | if (!model) | |
441 | return SR_ERR_ARG; | |
442 | *data = g_variant_new_strv(*model->trigger_slopes, | |
443 | g_strv_length((char **)*model->trigger_slopes)); | |
444 | break; | |
445 | case SR_CONF_TIMEBASE: | |
446 | if (!model) | |
447 | return SR_ERR_ARG; | |
448 | *data = build_tuples(model->timebases, model->num_timebases); | |
449 | break; | |
450 | case SR_CONF_VDIV: | |
451 | if (!model) | |
452 | return SR_ERR_ARG; | |
453 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
454 | break; | |
e3b83c5e SS |
455 | default: |
456 | return SR_ERR_NA; | |
457 | } | |
3f2c7c94 SS |
458 | return SR_OK; |
459 | } | |
e3b83c5e | 460 | |
3f2c7c94 SS |
461 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) |
462 | { | |
463 | char command[MAX_COMMAND_SIZE]; | |
464 | struct sr_channel *ch; | |
465 | struct dev_context *devc; | |
466 | ||
467 | devc = sdi->priv; | |
468 | ||
469 | ch = devc->current_channel->data; | |
470 | ||
471 | if (ch->type != SR_CHANNEL_ANALOG) | |
472 | return SR_ERR; | |
473 | ||
474 | g_snprintf(command, sizeof(command), | |
475 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index+1); | |
476 | return sr_scpi_send(sdi->conn, command); | |
477 | } | |
478 | ||
479 | static int lecroy_setup_channels(const struct sr_dev_inst *sdi) | |
480 | { | |
481 | GSList *l; | |
482 | gboolean setup_changed; | |
483 | char command[MAX_COMMAND_SIZE]; | |
484 | struct scope_state *state; | |
485 | struct sr_channel *ch; | |
486 | struct dev_context *devc; | |
487 | struct sr_scpi_dev_inst *scpi; | |
488 | ||
489 | devc = sdi->priv; | |
490 | scpi = sdi->conn; | |
491 | state = devc->model_state; | |
492 | setup_changed = FALSE; | |
493 | ||
494 | for (l = sdi->channels; l; l = l->next) { | |
495 | ch = l->data; | |
496 | switch (ch->type) { | |
497 | case SR_CHANNEL_ANALOG: | |
498 | if (ch->enabled == state->analog_channels[ch->index].state) | |
499 | break; | |
500 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
501 | ch->index+1, ch->enabled ? "ON" : "OFF"); | |
502 | ||
503 | if (sr_scpi_send(scpi, command) != SR_OK) | |
504 | return SR_ERR; | |
505 | state->analog_channels[ch->index].state = ch->enabled; | |
506 | setup_changed = TRUE; | |
507 | break; | |
508 | default: | |
509 | return SR_ERR; | |
510 | } | |
511 | } | |
512 | ||
513 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
514 | return SR_ERR; | |
515 | ||
516 | return SR_OK; | |
e3b83c5e SS |
517 | } |
518 | ||
519 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
520 | { | |
3f2c7c94 SS |
521 | GSList *l; |
522 | struct sr_channel *ch; | |
523 | struct dev_context *devc; | |
524 | int ret; | |
525 | struct sr_scpi_dev_inst *scpi; | |
526 | ||
e3b83c5e SS |
527 | if (sdi->status != SR_ST_ACTIVE) |
528 | return SR_ERR_DEV_CLOSED; | |
529 | ||
3f2c7c94 SS |
530 | devc = sdi->priv; |
531 | scpi = sdi->conn; | |
532 | /* Preset empty results. */ | |
533 | g_slist_free(devc->enabled_channels); | |
534 | devc->enabled_channels = NULL; | |
535 | ||
536 | /* | |
537 | * Contruct the list of enabled channels. Determine the highest | |
538 | * number of digital pods involved in the acquisition. | |
539 | */ | |
540 | ||
541 | for (l = sdi->channels; l; l = l->next) { | |
542 | ch = l->data; | |
543 | if (!ch->enabled) | |
544 | continue; | |
545 | /* Only add a single digital channel per group (pod). */ | |
546 | devc->enabled_channels = g_slist_append( | |
547 | devc->enabled_channels, ch); | |
548 | } | |
e3b83c5e | 549 | |
3f2c7c94 SS |
550 | if (!devc->enabled_channels) |
551 | return SR_ERR; | |
552 | ||
553 | /* | |
554 | * Configure the analog channels and the | |
555 | * corresponding digital pods. | |
556 | */ | |
557 | if (lecroy_setup_channels(sdi) != SR_OK) { | |
558 | sr_err("Failed to setup channel configuration!"); | |
559 | ret = SR_ERR; | |
560 | goto free_enabled; | |
561 | } | |
562 | ||
563 | /* | |
564 | * Start acquisition on the first enabled channel. The | |
565 | * receive routine will continue driving the acquisition. | |
566 | */ | |
567 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
568 | lecroy_xstream_receive_data, (void *)sdi); | |
569 | ||
570 | std_session_send_df_header(sdi); | |
571 | ||
572 | devc->current_channel = devc->enabled_channels; | |
573 | ||
574 | return lecroy_xstream_request_data(sdi); | |
575 | ||
576 | free_enabled: | |
577 | g_slist_free(devc->enabled_channels); | |
578 | devc->enabled_channels = NULL; | |
579 | return ret; | |
e3b83c5e SS |
580 | } |
581 | ||
582 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
583 | { | |
3f2c7c94 SS |
584 | struct dev_context *devc; |
585 | struct sr_scpi_dev_inst *scpi; | |
586 | ||
587 | std_session_send_df_end(sdi); | |
588 | ||
e3b83c5e SS |
589 | if (sdi->status != SR_ST_ACTIVE) |
590 | return SR_ERR_DEV_CLOSED; | |
591 | ||
3f2c7c94 SS |
592 | devc = sdi->priv; |
593 | ||
594 | devc->num_frames = 0; | |
595 | g_slist_free(devc->enabled_channels); | |
596 | devc->enabled_channels = NULL; | |
597 | scpi = sdi->conn; | |
598 | sr_scpi_source_remove(sdi->session, scpi); | |
e3b83c5e SS |
599 | |
600 | return SR_OK; | |
601 | } | |
602 | ||
3f2c7c94 | 603 | static struct sr_dev_driver lecroy_xstream_driver_info = { |
e3b83c5e | 604 | .name = "lecroy-xstream", |
bb08570f | 605 | .longname = "LeCroy X-Stream", |
e3b83c5e SS |
606 | .api_version = 1, |
607 | .init = std_init, | |
608 | .cleanup = std_cleanup, | |
609 | .scan = scan, | |
610 | .dev_list = std_dev_list, | |
611 | .dev_clear = dev_clear, | |
612 | .config_get = config_get, | |
613 | .config_set = config_set, | |
614 | .config_list = config_list, | |
615 | .dev_open = dev_open, | |
616 | .dev_close = dev_close, | |
617 | .dev_acquisition_start = dev_acquisition_start, | |
618 | .dev_acquisition_stop = dev_acquisition_stop, | |
619 | .context = NULL, | |
620 | }; | |
e3b83c5e | 621 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |