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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 | ||
56 | sr_scpi_send(scpi, "COMM_HEADER OFF,WORD,BIN"); | |
57 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
58 | sr_info("Couldn't get IDN response."); | |
59 | goto fail; | |
60 | } | |
61 | ||
62 | if (check_manufacturer(hw_info->manufacturer) != SR_OK) | |
63 | goto fail; | |
64 | ||
65 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
66 | sdi->vendor = g_strdup(hw_info->manufacturer); | |
67 | sdi->model = g_strdup(hw_info->model); | |
68 | sdi->version = g_strdup(hw_info->firmware_version); | |
69 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
70 | sdi->driver = &lecroy_xstream_driver_info; | |
71 | sdi->inst_type = SR_INST_SCPI; | |
72 | sdi->conn = scpi; | |
73 | ||
74 | sr_scpi_hw_info_free(hw_info); | |
75 | hw_info = NULL; | |
76 | ||
77 | devc = g_malloc0(sizeof(struct dev_context)); | |
78 | ||
79 | sdi->priv = devc; | |
80 | ||
81 | if (lecroy_xstream_init_device(sdi) != SR_OK) | |
82 | goto fail; | |
83 | ||
84 | return sdi; | |
85 | ||
86 | fail: | |
87 | sr_scpi_hw_info_free(hw_info); | |
88 | if (sdi) | |
89 | sr_dev_inst_free(sdi); | |
90 | g_free(devc); | |
91 | ||
92 | return NULL; | |
93 | } | |
e3b83c5e SS |
94 | |
95 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
96 | { | |
3f2c7c94 SS |
97 | return sr_scpi_scan(di->context, options, probe_serial_device); |
98 | } | |
99 | ||
100 | static void clear_helper(void *priv) | |
101 | { | |
102 | struct dev_context *devc; | |
e3b83c5e | 103 | |
3f2c7c94 | 104 | devc = priv; |
e3b83c5e | 105 | |
3f2c7c94 | 106 | lecroy_xstream_state_free(devc->model_state); |
e3b83c5e | 107 | |
3f2c7c94 | 108 | g_free(devc->analog_groups); |
e3b83c5e | 109 | |
3f2c7c94 | 110 | g_free(devc); |
e3b83c5e SS |
111 | } |
112 | ||
113 | static int dev_clear(const struct sr_dev_driver *di) | |
114 | { | |
3f2c7c94 | 115 | return std_dev_clear(di, clear_helper); |
e3b83c5e SS |
116 | } |
117 | ||
118 | static int dev_open(struct sr_dev_inst *sdi) | |
119 | { | |
3f2c7c94 SS |
120 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
121 | return SR_ERR; | |
e3b83c5e | 122 | |
3f2c7c94 SS |
123 | if (lecroy_xstream_state_get(sdi) != SR_OK) |
124 | return SR_ERR; | |
e3b83c5e SS |
125 | |
126 | sdi->status = SR_ST_ACTIVE; | |
127 | ||
128 | return SR_OK; | |
129 | } | |
130 | ||
131 | static int dev_close(struct sr_dev_inst *sdi) | |
132 | { | |
3f2c7c94 SS |
133 | if (sdi->status == SR_ST_INACTIVE) |
134 | return SR_OK; | |
e3b83c5e | 135 | |
3f2c7c94 | 136 | sr_scpi_close(sdi->conn); |
e3b83c5e SS |
137 | |
138 | sdi->status = SR_ST_INACTIVE; | |
139 | ||
140 | return SR_OK; | |
141 | } | |
142 | ||
143 | static int config_get(uint32_t key, GVariant **data, | |
3f2c7c94 SS |
144 | const struct sr_dev_inst *sdi, |
145 | const struct sr_channel_group *cg) | |
e3b83c5e SS |
146 | { |
147 | int ret; | |
3f2c7c94 SS |
148 | unsigned int i; |
149 | struct dev_context *devc; | |
150 | const struct scope_config *model; | |
151 | struct scope_state *state; | |
e3b83c5e | 152 | |
3f2c7c94 SS |
153 | if (!sdi) |
154 | return SR_ERR_ARG; | |
155 | ||
156 | devc = sdi->priv; | |
e3b83c5e | 157 | |
3f2c7c94 SS |
158 | ret = SR_ERR_NA; |
159 | model = devc->model_config; | |
160 | state = devc->model_state; | |
161 | *data = NULL; | |
e3b83c5e | 162 | switch (key) { |
3f2c7c94 SS |
163 | case SR_CONF_NUM_HDIV: |
164 | *data = g_variant_new_int32(model->num_xdivs); | |
165 | ret = SR_OK; | |
166 | break; | |
167 | case SR_CONF_TIMEBASE: | |
168 | *data = g_variant_new("(tt)", | |
169 | model->timebases[state->timebase].p, | |
170 | model->timebases[state->timebase].q); | |
171 | ret = SR_OK; | |
172 | break; | |
173 | case SR_CONF_NUM_VDIV: | |
174 | for (i = 0; i < model->analog_channels; i++) { | |
175 | if (cg != devc->analog_groups[i]) | |
176 | continue; | |
177 | *data = g_variant_new_int32(model->num_ydivs); | |
178 | ret = SR_OK; | |
179 | } | |
180 | break; | |
181 | case SR_CONF_VDIV: | |
182 | for (i = 0; i < model->analog_channels; i++) { | |
183 | if (cg != devc->analog_groups[i]) | |
184 | continue; | |
185 | *data = g_variant_new("(tt)", | |
186 | model->vdivs[state->analog_channels[i].vdiv].p, | |
187 | model->vdivs[state->analog_channels[i].vdiv].q); | |
188 | ret = SR_OK; | |
189 | } | |
190 | break; | |
191 | case SR_CONF_TRIGGER_SOURCE: | |
192 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
193 | ret = SR_OK; | |
194 | break; | |
195 | case SR_CONF_TRIGGER_SLOPE: | |
196 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
197 | ret = SR_OK; | |
198 | break; | |
199 | case SR_CONF_HORIZ_TRIGGERPOS: | |
200 | *data = g_variant_new_double(state->horiz_triggerpos); | |
201 | ret = SR_OK; | |
202 | break; | |
203 | case SR_CONF_COUPLING: | |
204 | ||
205 | for (i = 0; i < model->analog_channels; i++) { | |
206 | if (cg != devc->analog_groups[i]) { | |
207 | continue; | |
208 | } | |
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; | |
e3b83c5e | 221 | default: |
3f2c7c94 | 222 | ret = SR_ERR_NA; |
e3b83c5e | 223 | } |
e3b83c5e SS |
224 | return ret; |
225 | } | |
226 | ||
3f2c7c94 SS |
227 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) |
228 | { | |
229 | unsigned int i; | |
230 | GVariant *rational[2]; | |
231 | GVariantBuilder gvb; | |
232 | ||
233 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
234 | ||
235 | for (i = 0; i < n; i++) { | |
236 | rational[0] = g_variant_new_uint64(array[i].p); | |
237 | rational[1] = g_variant_new_uint64(array[i].q); | |
238 | ||
239 | /* FIXME: Valgrind reports a memory leak here. */ | |
240 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
241 | } | |
242 | ||
243 | return g_variant_builder_end(&gvb); | |
244 | } | |
245 | ||
246 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
247 | const struct sr_channel_group *cg) | |
e3b83c5e SS |
248 | { |
249 | int ret; | |
3f2c7c94 SS |
250 | unsigned int i, j; |
251 | char command[MAX_COMMAND_SIZE]; | |
252 | struct dev_context *devc; | |
253 | const struct scope_config *model; | |
254 | struct scope_state *state; | |
255 | const char *tmp; | |
256 | int64_t p; | |
257 | uint64_t q; | |
258 | double tmp_d; | |
259 | gboolean update_sample_rate; | |
e3b83c5e | 260 | |
3f2c7c94 SS |
261 | if (!sdi) |
262 | return SR_ERR_ARG; | |
e3b83c5e | 263 | |
3f2c7c94 SS |
264 | devc = sdi->priv; |
265 | ||
266 | model = devc->model_config; | |
267 | state = devc->model_state; | |
268 | update_sample_rate = FALSE; | |
269 | ||
270 | ret = SR_ERR_NA; | |
e3b83c5e | 271 | |
e3b83c5e | 272 | switch (key) { |
3f2c7c94 SS |
273 | case SR_CONF_LIMIT_FRAMES: |
274 | devc->frame_limit = g_variant_get_uint64(data); | |
275 | ret = SR_OK; | |
276 | break; | |
277 | case SR_CONF_TRIGGER_SOURCE: | |
278 | tmp = g_variant_get_string(data, NULL); | |
279 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
280 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
281 | continue; | |
282 | state->trigger_source = i; | |
283 | g_snprintf(command, sizeof(command), | |
284 | "SET TRIGGER SOURCE %s", | |
285 | (*model->trigger_sources)[i]); | |
286 | ||
287 | ret = sr_scpi_send(sdi->conn, command); | |
288 | break; | |
289 | } | |
290 | break; | |
291 | case SR_CONF_VDIV: | |
292 | g_variant_get(data, "(tt)", &p, &q); | |
293 | ||
294 | for (i = 0; i < model->num_vdivs; i++) { | |
295 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
296 | continue; | |
297 | for (j = 1; j <= model->analog_channels; j++) { | |
298 | if (cg != devc->analog_groups[j - 1]) | |
299 | continue; | |
300 | state->analog_channels[j - 1].vdiv = i; | |
301 | g_snprintf(command, sizeof(command), | |
302 | "C%d:VDIV %E", j, (float)p/q); | |
303 | ||
304 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
305 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
306 | return SR_ERR; | |
307 | ||
308 | break; | |
309 | } | |
310 | ||
311 | ret = SR_OK; | |
312 | break; | |
313 | } | |
314 | break; | |
315 | case SR_CONF_TIMEBASE: | |
316 | g_variant_get(data, "(tt)", &p, &q); | |
317 | ||
318 | for (i = 0; i < model->num_timebases; i++) { | |
319 | if (p != model->timebases[i].p || | |
320 | q != model->timebases[i].q) | |
321 | continue; | |
322 | state->timebase = i; | |
323 | g_snprintf(command, sizeof(command), | |
324 | "TIME_DIV %E", (float)p/q); | |
325 | ||
326 | ret = sr_scpi_send(sdi->conn, command); | |
327 | update_sample_rate = TRUE; | |
328 | break; | |
329 | } | |
330 | break; | |
331 | case SR_CONF_HORIZ_TRIGGERPOS: | |
332 | tmp_d = g_variant_get_double(data); | |
333 | ||
334 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
335 | return SR_ERR; | |
336 | ||
337 | state->horiz_triggerpos = tmp_d; | |
338 | tmp_d = -(tmp_d - 0.5) * | |
339 | ((double)model->timebases[state->timebase].p / | |
340 | model->timebases[state->timebase].q) | |
341 | * model->num_xdivs; | |
342 | ||
343 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
344 | ||
345 | ret = sr_scpi_send(sdi->conn, command); | |
346 | break; | |
347 | case SR_CONF_TRIGGER_SLOPE: | |
348 | tmp = g_variant_get_string(data, NULL); | |
349 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
350 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
351 | continue; | |
352 | state->trigger_slope = i; | |
353 | g_snprintf(command, sizeof(command), | |
354 | "SET TRIGGER SLOPE %s", | |
355 | (*model->trigger_slopes)[i]); | |
356 | ||
357 | ret = sr_scpi_send(sdi->conn, command); | |
358 | break; | |
359 | } | |
360 | break; | |
361 | case SR_CONF_COUPLING: | |
362 | ||
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; | |
e3b83c5e SS |
386 | default: |
387 | ret = SR_ERR_NA; | |
3f2c7c94 | 388 | break; |
e3b83c5e SS |
389 | } |
390 | ||
3f2c7c94 SS |
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 | ||
e3b83c5e SS |
397 | return ret; |
398 | } | |
399 | ||
3f2c7c94 SS |
400 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
401 | const struct sr_channel_group *cg) | |
e3b83c5e | 402 | { |
3f2c7c94 SS |
403 | struct dev_context *devc = NULL; |
404 | const struct scope_config *model = NULL; | |
e3b83c5e SS |
405 | (void)cg; |
406 | ||
3f2c7c94 SS |
407 | if (sdi) { |
408 | devc = sdi->priv; | |
409 | model = devc->model_config; | |
410 | } | |
411 | ||
e3b83c5e | 412 | switch (key) { |
3f2c7c94 SS |
413 | case SR_CONF_SCAN_OPTIONS: |
414 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
415 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
416 | break; | |
417 | case SR_CONF_DEVICE_OPTIONS: | |
418 | if (!cg) { | |
419 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
420 | model->devopts, | |
421 | model->num_devopts, | |
422 | sizeof(uint32_t)); | |
423 | break; | |
424 | } | |
425 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
426 | model->analog_devopts, | |
427 | model->num_analog_devopts, | |
428 | sizeof(uint32_t)); | |
429 | break; | |
430 | case SR_CONF_COUPLING: | |
431 | *data = g_variant_new_strv(*model->coupling_options, | |
432 | g_strv_length((char **)*model->coupling_options)); | |
433 | break; | |
434 | case SR_CONF_TRIGGER_SOURCE: | |
435 | if (!model) | |
436 | return SR_ERR_ARG; | |
437 | *data = g_variant_new_strv(*model->trigger_sources, | |
438 | g_strv_length((char **)*model->trigger_sources)); | |
439 | break; | |
440 | case SR_CONF_TRIGGER_SLOPE: | |
441 | if (!model) | |
442 | return SR_ERR_ARG; | |
443 | *data = g_variant_new_strv(*model->trigger_slopes, | |
444 | g_strv_length((char **)*model->trigger_slopes)); | |
445 | break; | |
446 | case SR_CONF_TIMEBASE: | |
447 | if (!model) | |
448 | return SR_ERR_ARG; | |
449 | *data = build_tuples(model->timebases, model->num_timebases); | |
450 | break; | |
451 | case SR_CONF_VDIV: | |
452 | if (!model) | |
453 | return SR_ERR_ARG; | |
454 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
455 | break; | |
e3b83c5e SS |
456 | default: |
457 | return SR_ERR_NA; | |
458 | } | |
3f2c7c94 SS |
459 | return SR_OK; |
460 | } | |
e3b83c5e | 461 | |
3f2c7c94 SS |
462 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) |
463 | { | |
464 | char command[MAX_COMMAND_SIZE]; | |
465 | struct sr_channel *ch; | |
466 | struct dev_context *devc; | |
467 | ||
468 | devc = sdi->priv; | |
469 | ||
470 | ch = devc->current_channel->data; | |
471 | ||
472 | if (ch->type != SR_CHANNEL_ANALOG) | |
473 | return SR_ERR; | |
474 | ||
475 | g_snprintf(command, sizeof(command), | |
476 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index+1); | |
477 | return sr_scpi_send(sdi->conn, command); | |
478 | } | |
479 | ||
480 | static int lecroy_setup_channels(const struct sr_dev_inst *sdi) | |
481 | { | |
482 | GSList *l; | |
483 | gboolean setup_changed; | |
484 | char command[MAX_COMMAND_SIZE]; | |
485 | struct scope_state *state; | |
486 | struct sr_channel *ch; | |
487 | struct dev_context *devc; | |
488 | struct sr_scpi_dev_inst *scpi; | |
489 | ||
490 | devc = sdi->priv; | |
491 | scpi = sdi->conn; | |
492 | state = devc->model_state; | |
493 | setup_changed = FALSE; | |
494 | ||
495 | for (l = sdi->channels; l; l = l->next) { | |
496 | ch = l->data; | |
497 | switch (ch->type) { | |
498 | case SR_CHANNEL_ANALOG: | |
499 | if (ch->enabled == state->analog_channels[ch->index].state) | |
500 | break; | |
501 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
502 | ch->index+1, ch->enabled ? "ON" : "OFF"); | |
503 | ||
504 | if (sr_scpi_send(scpi, command) != SR_OK) | |
505 | return SR_ERR; | |
506 | state->analog_channels[ch->index].state = ch->enabled; | |
507 | setup_changed = TRUE; | |
508 | break; | |
509 | default: | |
510 | return SR_ERR; | |
511 | } | |
512 | } | |
513 | ||
514 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
515 | return SR_ERR; | |
516 | ||
517 | return SR_OK; | |
e3b83c5e SS |
518 | } |
519 | ||
520 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
521 | { | |
3f2c7c94 SS |
522 | GSList *l; |
523 | struct sr_channel *ch; | |
524 | struct dev_context *devc; | |
525 | int ret; | |
526 | struct sr_scpi_dev_inst *scpi; | |
527 | ||
e3b83c5e SS |
528 | if (sdi->status != SR_ST_ACTIVE) |
529 | return SR_ERR_DEV_CLOSED; | |
530 | ||
3f2c7c94 SS |
531 | devc = sdi->priv; |
532 | scpi = sdi->conn; | |
533 | /* Preset empty results. */ | |
534 | g_slist_free(devc->enabled_channels); | |
535 | devc->enabled_channels = NULL; | |
536 | ||
537 | /* | |
538 | * Contruct the list of enabled channels. Determine the highest | |
539 | * number of digital pods involved in the acquisition. | |
540 | */ | |
541 | ||
542 | for (l = sdi->channels; l; l = l->next) { | |
543 | ch = l->data; | |
544 | if (!ch->enabled) | |
545 | continue; | |
546 | /* Only add a single digital channel per group (pod). */ | |
547 | devc->enabled_channels = g_slist_append( | |
548 | devc->enabled_channels, ch); | |
549 | } | |
e3b83c5e | 550 | |
3f2c7c94 SS |
551 | if (!devc->enabled_channels) |
552 | return SR_ERR; | |
553 | ||
554 | /* | |
555 | * Configure the analog channels and the | |
556 | * corresponding digital pods. | |
557 | */ | |
558 | if (lecroy_setup_channels(sdi) != SR_OK) { | |
559 | sr_err("Failed to setup channel configuration!"); | |
560 | ret = SR_ERR; | |
561 | goto free_enabled; | |
562 | } | |
563 | ||
564 | /* | |
565 | * Start acquisition on the first enabled channel. The | |
566 | * receive routine will continue driving the acquisition. | |
567 | */ | |
568 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
569 | lecroy_xstream_receive_data, (void *)sdi); | |
570 | ||
571 | std_session_send_df_header(sdi); | |
572 | ||
573 | devc->current_channel = devc->enabled_channels; | |
574 | ||
575 | return lecroy_xstream_request_data(sdi); | |
576 | ||
577 | free_enabled: | |
578 | g_slist_free(devc->enabled_channels); | |
579 | devc->enabled_channels = NULL; | |
580 | return ret; | |
e3b83c5e SS |
581 | } |
582 | ||
583 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
584 | { | |
3f2c7c94 SS |
585 | struct dev_context *devc; |
586 | struct sr_scpi_dev_inst *scpi; | |
587 | ||
588 | std_session_send_df_end(sdi); | |
589 | ||
e3b83c5e SS |
590 | if (sdi->status != SR_ST_ACTIVE) |
591 | return SR_ERR_DEV_CLOSED; | |
592 | ||
3f2c7c94 SS |
593 | devc = sdi->priv; |
594 | ||
595 | devc->num_frames = 0; | |
596 | g_slist_free(devc->enabled_channels); | |
597 | devc->enabled_channels = NULL; | |
598 | scpi = sdi->conn; | |
599 | sr_scpi_source_remove(sdi->session, scpi); | |
e3b83c5e SS |
600 | |
601 | return SR_OK; | |
602 | } | |
603 | ||
3f2c7c94 | 604 | static struct sr_dev_driver lecroy_xstream_driver_info = { |
e3b83c5e | 605 | .name = "lecroy-xstream", |
3f2c7c94 | 606 | .longname = "LeCroy Xstream based scopes", |
e3b83c5e SS |
607 | .api_version = 1, |
608 | .init = std_init, | |
609 | .cleanup = std_cleanup, | |
610 | .scan = scan, | |
611 | .dev_list = std_dev_list, | |
612 | .dev_clear = dev_clear, | |
613 | .config_get = config_get, | |
614 | .config_set = config_set, | |
615 | .config_list = config_list, | |
616 | .dev_open = dev_open, | |
617 | .dev_close = dev_close, | |
618 | .dev_acquisition_start = dev_acquisition_start, | |
619 | .dev_acquisition_stop = dev_acquisition_stop, | |
620 | .context = NULL, | |
621 | }; | |
e3b83c5e | 622 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |