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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 | ||
90230cfa SA |
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_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
42 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
43 | SR_CONF_NUM_HDIV | SR_CONF_GET, | |
44 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
45 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, | |
46 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
47 | }; | |
48 | ||
49 | static const uint32_t analog_devopts[] = { | |
50 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
51 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
52 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
53 | }; | |
54 | ||
3f2c7c94 SS |
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 | ||
3f2c7c94 SS |
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 | if (sdi) | |
108 | sr_dev_inst_free(sdi); | |
109 | g_free(devc); | |
110 | ||
111 | return NULL; | |
112 | } | |
e3b83c5e SS |
113 | |
114 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
115 | { | |
3f2c7c94 SS |
116 | return sr_scpi_scan(di->context, options, probe_serial_device); |
117 | } | |
118 | ||
119 | static void clear_helper(void *priv) | |
120 | { | |
121 | struct dev_context *devc; | |
e3b83c5e | 122 | |
3f2c7c94 | 123 | devc = priv; |
e3b83c5e | 124 | |
3f2c7c94 | 125 | lecroy_xstream_state_free(devc->model_state); |
e3b83c5e | 126 | |
3f2c7c94 | 127 | g_free(devc->analog_groups); |
e3b83c5e | 128 | |
3f2c7c94 | 129 | g_free(devc); |
e3b83c5e SS |
130 | } |
131 | ||
132 | static int dev_clear(const struct sr_dev_driver *di) | |
133 | { | |
3f2c7c94 | 134 | return std_dev_clear(di, clear_helper); |
e3b83c5e SS |
135 | } |
136 | ||
137 | static int dev_open(struct sr_dev_inst *sdi) | |
138 | { | |
3f2c7c94 SS |
139 | if (sdi->status != SR_ST_ACTIVE && sr_scpi_open(sdi->conn) != SR_OK) |
140 | return SR_ERR; | |
e3b83c5e | 141 | |
3f2c7c94 SS |
142 | if (lecroy_xstream_state_get(sdi) != SR_OK) |
143 | return SR_ERR; | |
e3b83c5e SS |
144 | |
145 | sdi->status = SR_ST_ACTIVE; | |
146 | ||
147 | return SR_OK; | |
148 | } | |
149 | ||
150 | static int dev_close(struct sr_dev_inst *sdi) | |
151 | { | |
3f2c7c94 SS |
152 | if (sdi->status == SR_ST_INACTIVE) |
153 | return SR_OK; | |
e3b83c5e | 154 | |
3f2c7c94 | 155 | sr_scpi_close(sdi->conn); |
e3b83c5e SS |
156 | |
157 | sdi->status = SR_ST_INACTIVE; | |
158 | ||
159 | return SR_OK; | |
160 | } | |
161 | ||
162 | static int config_get(uint32_t key, GVariant **data, | |
ea257cdc | 163 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
e3b83c5e SS |
164 | { |
165 | int ret; | |
3f2c7c94 SS |
166 | unsigned int i; |
167 | struct dev_context *devc; | |
168 | const struct scope_config *model; | |
169 | struct scope_state *state; | |
e3b83c5e | 170 | |
3f2c7c94 SS |
171 | if (!sdi) |
172 | return SR_ERR_ARG; | |
173 | ||
174 | devc = sdi->priv; | |
e3b83c5e | 175 | |
3f2c7c94 SS |
176 | ret = SR_ERR_NA; |
177 | model = devc->model_config; | |
178 | state = devc->model_state; | |
179 | *data = NULL; | |
ea257cdc | 180 | |
e3b83c5e | 181 | switch (key) { |
3f2c7c94 SS |
182 | case SR_CONF_NUM_HDIV: |
183 | *data = g_variant_new_int32(model->num_xdivs); | |
184 | ret = SR_OK; | |
185 | break; | |
186 | case SR_CONF_TIMEBASE: | |
187 | *data = g_variant_new("(tt)", | |
ea257cdc UH |
188 | model->timebases[state->timebase].p, |
189 | model->timebases[state->timebase].q); | |
3f2c7c94 SS |
190 | ret = SR_OK; |
191 | break; | |
192 | case SR_CONF_NUM_VDIV: | |
193 | for (i = 0; i < model->analog_channels; i++) { | |
194 | if (cg != devc->analog_groups[i]) | |
195 | continue; | |
196 | *data = g_variant_new_int32(model->num_ydivs); | |
197 | ret = SR_OK; | |
198 | } | |
199 | break; | |
200 | case SR_CONF_VDIV: | |
201 | for (i = 0; i < model->analog_channels; i++) { | |
202 | if (cg != devc->analog_groups[i]) | |
203 | continue; | |
204 | *data = g_variant_new("(tt)", | |
ea257cdc UH |
205 | model->vdivs[state->analog_channels[i].vdiv].p, |
206 | model->vdivs[state->analog_channels[i].vdiv].q); | |
3f2c7c94 SS |
207 | ret = SR_OK; |
208 | } | |
209 | break; | |
210 | case SR_CONF_TRIGGER_SOURCE: | |
211 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
212 | ret = SR_OK; | |
213 | break; | |
214 | case SR_CONF_TRIGGER_SLOPE: | |
215 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
216 | ret = SR_OK; | |
217 | break; | |
218 | case SR_CONF_HORIZ_TRIGGERPOS: | |
219 | *data = g_variant_new_double(state->horiz_triggerpos); | |
220 | ret = SR_OK; | |
221 | break; | |
222 | case SR_CONF_COUPLING: | |
3f2c7c94 | 223 | for (i = 0; i < model->analog_channels; i++) { |
ea257cdc | 224 | if (cg != devc->analog_groups[i]) |
3f2c7c94 | 225 | continue; |
3f2c7c94 SS |
226 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); |
227 | ret = SR_OK; | |
228 | } | |
229 | break; | |
230 | case SR_CONF_SAMPLERATE: | |
231 | *data = g_variant_new_uint64(state->sample_rate); | |
232 | ret = SR_OK; | |
233 | break; | |
234 | case SR_CONF_ENABLED: | |
235 | *data = g_variant_new_boolean(FALSE); | |
236 | ret = SR_OK; | |
237 | break; | |
e3b83c5e | 238 | default: |
3f2c7c94 | 239 | ret = SR_ERR_NA; |
e3b83c5e | 240 | } |
ea257cdc | 241 | |
e3b83c5e SS |
242 | return ret; |
243 | } | |
244 | ||
3f2c7c94 SS |
245 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) |
246 | { | |
247 | unsigned int i; | |
248 | GVariant *rational[2]; | |
249 | GVariantBuilder gvb; | |
250 | ||
251 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
252 | ||
253 | for (i = 0; i < n; i++) { | |
254 | rational[0] = g_variant_new_uint64(array[i].p); | |
255 | rational[1] = g_variant_new_uint64(array[i].q); | |
256 | ||
257 | /* FIXME: Valgrind reports a memory leak here. */ | |
258 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
259 | } | |
260 | ||
261 | return g_variant_builder_end(&gvb); | |
262 | } | |
263 | ||
ea257cdc UH |
264 | static int config_set(uint32_t key, GVariant *data, |
265 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
e3b83c5e SS |
266 | { |
267 | int ret; | |
3f2c7c94 SS |
268 | unsigned int i, j; |
269 | char command[MAX_COMMAND_SIZE]; | |
270 | struct dev_context *devc; | |
271 | const struct scope_config *model; | |
272 | struct scope_state *state; | |
273 | const char *tmp; | |
274 | int64_t p; | |
275 | uint64_t q; | |
276 | double tmp_d; | |
277 | gboolean update_sample_rate; | |
e3b83c5e | 278 | |
3f2c7c94 SS |
279 | if (!sdi) |
280 | return SR_ERR_ARG; | |
e3b83c5e | 281 | |
3f2c7c94 SS |
282 | devc = sdi->priv; |
283 | ||
284 | model = devc->model_config; | |
285 | state = devc->model_state; | |
286 | update_sample_rate = FALSE; | |
287 | ||
288 | ret = SR_ERR_NA; | |
e3b83c5e | 289 | |
e3b83c5e | 290 | switch (key) { |
3f2c7c94 SS |
291 | case SR_CONF_LIMIT_FRAMES: |
292 | devc->frame_limit = g_variant_get_uint64(data); | |
293 | ret = SR_OK; | |
294 | break; | |
295 | case SR_CONF_TRIGGER_SOURCE: | |
296 | tmp = g_variant_get_string(data, NULL); | |
297 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
298 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
299 | continue; | |
300 | state->trigger_source = i; | |
301 | g_snprintf(command, sizeof(command), | |
302 | "SET TRIGGER SOURCE %s", | |
303 | (*model->trigger_sources)[i]); | |
304 | ||
305 | ret = sr_scpi_send(sdi->conn, command); | |
306 | break; | |
307 | } | |
308 | break; | |
309 | case SR_CONF_VDIV: | |
310 | g_variant_get(data, "(tt)", &p, &q); | |
311 | ||
312 | for (i = 0; i < model->num_vdivs; i++) { | |
313 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
314 | continue; | |
315 | for (j = 1; j <= model->analog_channels; j++) { | |
316 | if (cg != devc->analog_groups[j - 1]) | |
317 | continue; | |
318 | state->analog_channels[j - 1].vdiv = i; | |
319 | g_snprintf(command, sizeof(command), | |
320 | "C%d:VDIV %E", j, (float)p/q); | |
321 | ||
322 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
323 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
324 | return SR_ERR; | |
325 | ||
326 | break; | |
327 | } | |
328 | ||
329 | ret = SR_OK; | |
330 | break; | |
331 | } | |
332 | break; | |
333 | case SR_CONF_TIMEBASE: | |
334 | g_variant_get(data, "(tt)", &p, &q); | |
335 | ||
336 | for (i = 0; i < model->num_timebases; i++) { | |
337 | if (p != model->timebases[i].p || | |
338 | q != model->timebases[i].q) | |
339 | continue; | |
340 | state->timebase = i; | |
341 | g_snprintf(command, sizeof(command), | |
342 | "TIME_DIV %E", (float)p/q); | |
343 | ||
344 | ret = sr_scpi_send(sdi->conn, command); | |
345 | update_sample_rate = TRUE; | |
346 | break; | |
347 | } | |
348 | break; | |
349 | case SR_CONF_HORIZ_TRIGGERPOS: | |
350 | tmp_d = g_variant_get_double(data); | |
351 | ||
352 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
353 | return SR_ERR; | |
354 | ||
355 | state->horiz_triggerpos = tmp_d; | |
356 | tmp_d = -(tmp_d - 0.5) * | |
357 | ((double)model->timebases[state->timebase].p / | |
358 | model->timebases[state->timebase].q) | |
359 | * model->num_xdivs; | |
360 | ||
361 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
362 | ||
363 | ret = sr_scpi_send(sdi->conn, command); | |
364 | break; | |
365 | case SR_CONF_TRIGGER_SLOPE: | |
366 | tmp = g_variant_get_string(data, NULL); | |
367 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
368 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
369 | continue; | |
370 | state->trigger_slope = i; | |
371 | g_snprintf(command, sizeof(command), | |
372 | "SET TRIGGER SLOPE %s", | |
373 | (*model->trigger_slopes)[i]); | |
374 | ||
375 | ret = sr_scpi_send(sdi->conn, command); | |
376 | break; | |
377 | } | |
378 | break; | |
379 | case SR_CONF_COUPLING: | |
3f2c7c94 SS |
380 | tmp = g_variant_get_string(data, NULL); |
381 | ||
382 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
383 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
384 | continue; | |
385 | for (j = 1; j <= model->analog_channels; j++) { | |
386 | if (cg != devc->analog_groups[j - 1]) | |
387 | continue; | |
ea257cdc | 388 | state->analog_channels[j - 1].coupling = i; |
3f2c7c94 SS |
389 | |
390 | g_snprintf(command, sizeof(command), | |
391 | "C%d:COUPLING %s", j, tmp); | |
392 | ||
393 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
394 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
395 | return SR_ERR; | |
396 | break; | |
397 | } | |
398 | ||
399 | ret = SR_OK; | |
400 | break; | |
401 | } | |
402 | break; | |
e3b83c5e SS |
403 | default: |
404 | ret = SR_ERR_NA; | |
3f2c7c94 | 405 | break; |
e3b83c5e SS |
406 | } |
407 | ||
3f2c7c94 SS |
408 | if (ret == SR_OK) |
409 | ret = sr_scpi_get_opc(sdi->conn); | |
410 | ||
411 | if (ret == SR_OK && update_sample_rate) | |
412 | ret = lecroy_xstream_update_sample_rate(sdi); | |
413 | ||
e3b83c5e SS |
414 | return ret; |
415 | } | |
416 | ||
ea257cdc UH |
417 | static int config_list(uint32_t key, GVariant **data, |
418 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
e3b83c5e | 419 | { |
3f2c7c94 SS |
420 | struct dev_context *devc = NULL; |
421 | const struct scope_config *model = NULL; | |
ea257cdc | 422 | |
e3b83c5e SS |
423 | (void)cg; |
424 | ||
90230cfa SA |
425 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or channel group. */ |
426 | if (key == SR_CONF_SCAN_OPTIONS) { | |
427 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
428 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
429 | return SR_OK; | |
3f2c7c94 SS |
430 | } |
431 | ||
90230cfa SA |
432 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ |
433 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
3f2c7c94 | 434 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
90230cfa SA |
435 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
436 | return SR_OK; | |
437 | } | |
438 | ||
439 | /* Every other option requires a valid device instance. */ | |
440 | if (!sdi) | |
441 | return SR_ERR_ARG; | |
442 | ||
443 | devc = sdi->priv; | |
444 | model = devc->model_config; | |
445 | ||
446 | switch (key) { | |
3f2c7c94 SS |
447 | case SR_CONF_DEVICE_OPTIONS: |
448 | if (!cg) { | |
90230cfa SA |
449 | /* If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not |
450 | * specific to a channel group must be returned. */ | |
3f2c7c94 | 451 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
90230cfa SA |
452 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
453 | return SR_OK; | |
3f2c7c94 SS |
454 | } |
455 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
90230cfa | 456 | analog_devopts, ARRAY_SIZE(analog_devopts), |
ea257cdc | 457 | sizeof(uint32_t)); |
3f2c7c94 SS |
458 | break; |
459 | case SR_CONF_COUPLING: | |
460 | *data = g_variant_new_strv(*model->coupling_options, | |
461 | g_strv_length((char **)*model->coupling_options)); | |
462 | break; | |
463 | case SR_CONF_TRIGGER_SOURCE: | |
464 | if (!model) | |
465 | return SR_ERR_ARG; | |
466 | *data = g_variant_new_strv(*model->trigger_sources, | |
467 | g_strv_length((char **)*model->trigger_sources)); | |
468 | break; | |
469 | case SR_CONF_TRIGGER_SLOPE: | |
470 | if (!model) | |
471 | return SR_ERR_ARG; | |
472 | *data = g_variant_new_strv(*model->trigger_slopes, | |
473 | g_strv_length((char **)*model->trigger_slopes)); | |
474 | break; | |
475 | case SR_CONF_TIMEBASE: | |
476 | if (!model) | |
477 | return SR_ERR_ARG; | |
478 | *data = build_tuples(model->timebases, model->num_timebases); | |
479 | break; | |
480 | case SR_CONF_VDIV: | |
481 | if (!model) | |
482 | return SR_ERR_ARG; | |
483 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
484 | break; | |
e3b83c5e SS |
485 | default: |
486 | return SR_ERR_NA; | |
487 | } | |
3f2c7c94 SS |
488 | return SR_OK; |
489 | } | |
e3b83c5e | 490 | |
3f2c7c94 SS |
491 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) |
492 | { | |
493 | char command[MAX_COMMAND_SIZE]; | |
494 | struct sr_channel *ch; | |
495 | struct dev_context *devc; | |
496 | ||
497 | devc = sdi->priv; | |
498 | ||
499 | ch = devc->current_channel->data; | |
500 | ||
501 | if (ch->type != SR_CHANNEL_ANALOG) | |
502 | return SR_ERR; | |
503 | ||
504 | g_snprintf(command, sizeof(command), | |
ea257cdc | 505 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1); |
3f2c7c94 SS |
506 | return sr_scpi_send(sdi->conn, command); |
507 | } | |
508 | ||
6d13a46c | 509 | static int setup_channels(const struct sr_dev_inst *sdi) |
3f2c7c94 SS |
510 | { |
511 | GSList *l; | |
512 | gboolean setup_changed; | |
513 | char command[MAX_COMMAND_SIZE]; | |
514 | struct scope_state *state; | |
515 | struct sr_channel *ch; | |
516 | struct dev_context *devc; | |
517 | struct sr_scpi_dev_inst *scpi; | |
518 | ||
519 | devc = sdi->priv; | |
520 | scpi = sdi->conn; | |
521 | state = devc->model_state; | |
522 | setup_changed = FALSE; | |
523 | ||
524 | for (l = sdi->channels; l; l = l->next) { | |
525 | ch = l->data; | |
526 | switch (ch->type) { | |
527 | case SR_CHANNEL_ANALOG: | |
528 | if (ch->enabled == state->analog_channels[ch->index].state) | |
529 | break; | |
530 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
ea257cdc | 531 | ch->index + 1, ch->enabled ? "ON" : "OFF"); |
3f2c7c94 SS |
532 | |
533 | if (sr_scpi_send(scpi, command) != SR_OK) | |
534 | return SR_ERR; | |
535 | state->analog_channels[ch->index].state = ch->enabled; | |
536 | setup_changed = TRUE; | |
537 | break; | |
538 | default: | |
539 | return SR_ERR; | |
540 | } | |
541 | } | |
542 | ||
543 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
544 | return SR_ERR; | |
545 | ||
546 | return SR_OK; | |
e3b83c5e SS |
547 | } |
548 | ||
549 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
550 | { | |
3f2c7c94 SS |
551 | GSList *l; |
552 | struct sr_channel *ch; | |
553 | struct dev_context *devc; | |
554 | int ret; | |
555 | struct sr_scpi_dev_inst *scpi; | |
556 | ||
e3b83c5e SS |
557 | if (sdi->status != SR_ST_ACTIVE) |
558 | return SR_ERR_DEV_CLOSED; | |
559 | ||
3f2c7c94 SS |
560 | devc = sdi->priv; |
561 | scpi = sdi->conn; | |
562 | /* Preset empty results. */ | |
563 | g_slist_free(devc->enabled_channels); | |
564 | devc->enabled_channels = NULL; | |
565 | ||
566 | /* | |
567 | * Contruct the list of enabled channels. Determine the highest | |
568 | * number of digital pods involved in the acquisition. | |
569 | */ | |
570 | ||
571 | for (l = sdi->channels; l; l = l->next) { | |
572 | ch = l->data; | |
573 | if (!ch->enabled) | |
574 | continue; | |
575 | /* Only add a single digital channel per group (pod). */ | |
576 | devc->enabled_channels = g_slist_append( | |
577 | devc->enabled_channels, ch); | |
578 | } | |
e3b83c5e | 579 | |
3f2c7c94 SS |
580 | if (!devc->enabled_channels) |
581 | return SR_ERR; | |
582 | ||
583 | /* | |
584 | * Configure the analog channels and the | |
585 | * corresponding digital pods. | |
586 | */ | |
6d13a46c | 587 | if (setup_channels(sdi) != SR_OK) { |
3f2c7c94 SS |
588 | sr_err("Failed to setup channel configuration!"); |
589 | ret = SR_ERR; | |
590 | goto free_enabled; | |
591 | } | |
592 | ||
593 | /* | |
594 | * Start acquisition on the first enabled channel. The | |
595 | * receive routine will continue driving the acquisition. | |
596 | */ | |
597 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
598 | lecroy_xstream_receive_data, (void *)sdi); | |
599 | ||
600 | std_session_send_df_header(sdi); | |
601 | ||
602 | devc->current_channel = devc->enabled_channels; | |
603 | ||
604 | return lecroy_xstream_request_data(sdi); | |
605 | ||
606 | free_enabled: | |
607 | g_slist_free(devc->enabled_channels); | |
608 | devc->enabled_channels = NULL; | |
ea257cdc | 609 | |
3f2c7c94 | 610 | return ret; |
e3b83c5e SS |
611 | } |
612 | ||
613 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
614 | { | |
3f2c7c94 SS |
615 | struct dev_context *devc; |
616 | struct sr_scpi_dev_inst *scpi; | |
617 | ||
618 | std_session_send_df_end(sdi); | |
619 | ||
e3b83c5e SS |
620 | if (sdi->status != SR_ST_ACTIVE) |
621 | return SR_ERR_DEV_CLOSED; | |
622 | ||
3f2c7c94 SS |
623 | devc = sdi->priv; |
624 | ||
625 | devc->num_frames = 0; | |
626 | g_slist_free(devc->enabled_channels); | |
627 | devc->enabled_channels = NULL; | |
628 | scpi = sdi->conn; | |
629 | sr_scpi_source_remove(sdi->session, scpi); | |
e3b83c5e SS |
630 | |
631 | return SR_OK; | |
632 | } | |
633 | ||
3f2c7c94 | 634 | static struct sr_dev_driver lecroy_xstream_driver_info = { |
e3b83c5e | 635 | .name = "lecroy-xstream", |
bb08570f | 636 | .longname = "LeCroy X-Stream", |
e3b83c5e SS |
637 | .api_version = 1, |
638 | .init = std_init, | |
639 | .cleanup = std_cleanup, | |
640 | .scan = scan, | |
641 | .dev_list = std_dev_list, | |
642 | .dev_clear = dev_clear, | |
643 | .config_get = config_get, | |
644 | .config_set = config_set, | |
645 | .config_list = config_list, | |
646 | .dev_open = dev_open, | |
647 | .dev_close = dev_close, | |
648 | .dev_acquisition_start = dev_acquisition_start, | |
649 | .dev_acquisition_stop = dev_acquisition_stop, | |
650 | .context = NULL, | |
651 | }; | |
e3b83c5e | 652 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |