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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, | |
86621306 | 41 | SR_CONF_SAMPLERATE | SR_CONF_GET, |
90230cfa SA |
42 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
43 | SR_CONF_NUM_HDIV | SR_CONF_GET, | |
90230cfa | 44 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
86621306 UH |
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, | |
90230cfa SA |
47 | }; |
48 | ||
49 | static const uint32_t analog_devopts[] = { | |
50 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
90230cfa | 51 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86621306 | 52 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
90230cfa SA |
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); | |
4bf93988 | 107 | sr_dev_inst_free(sdi); |
3f2c7c94 SS |
108 | g_free(devc); |
109 | ||
110 | return NULL; | |
111 | } | |
e3b83c5e SS |
112 | |
113 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
114 | { | |
3f2c7c94 SS |
115 | return sr_scpi_scan(di->context, options, probe_serial_device); |
116 | } | |
117 | ||
118 | static void clear_helper(void *priv) | |
119 | { | |
120 | struct dev_context *devc; | |
e3b83c5e | 121 | |
3f2c7c94 | 122 | devc = priv; |
e3b83c5e | 123 | |
3f2c7c94 | 124 | lecroy_xstream_state_free(devc->model_state); |
e3b83c5e | 125 | |
3f2c7c94 | 126 | g_free(devc->analog_groups); |
e3b83c5e | 127 | |
3f2c7c94 | 128 | g_free(devc); |
e3b83c5e SS |
129 | } |
130 | ||
131 | static int dev_clear(const struct sr_dev_driver *di) | |
132 | { | |
6e43c3d5 | 133 | return std_dev_clear_with_callback(di, clear_helper); |
e3b83c5e SS |
134 | } |
135 | ||
136 | static int dev_open(struct sr_dev_inst *sdi) | |
137 | { | |
6402c379 | 138 | if (sr_scpi_open(sdi->conn) != SR_OK) |
3f2c7c94 | 139 | return SR_ERR; |
e3b83c5e | 140 | |
3f2c7c94 SS |
141 | if (lecroy_xstream_state_get(sdi) != SR_OK) |
142 | return SR_ERR; | |
e3b83c5e | 143 | |
e3b83c5e SS |
144 | return SR_OK; |
145 | } | |
146 | ||
147 | static int dev_close(struct sr_dev_inst *sdi) | |
148 | { | |
f1ba6b4b | 149 | return sr_scpi_close(sdi->conn); |
e3b83c5e SS |
150 | } |
151 | ||
152 | static int config_get(uint32_t key, GVariant **data, | |
ea257cdc | 153 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) |
e3b83c5e SS |
154 | { |
155 | int ret; | |
3f2c7c94 SS |
156 | unsigned int i; |
157 | struct dev_context *devc; | |
158 | const struct scope_config *model; | |
159 | struct scope_state *state; | |
e3b83c5e | 160 | |
3f2c7c94 SS |
161 | if (!sdi) |
162 | return SR_ERR_ARG; | |
163 | ||
164 | devc = sdi->priv; | |
e3b83c5e | 165 | |
3f2c7c94 SS |
166 | ret = SR_ERR_NA; |
167 | model = devc->model_config; | |
168 | state = devc->model_state; | |
169 | *data = NULL; | |
ea257cdc | 170 | |
e3b83c5e | 171 | switch (key) { |
3f2c7c94 SS |
172 | case SR_CONF_NUM_HDIV: |
173 | *data = g_variant_new_int32(model->num_xdivs); | |
174 | ret = SR_OK; | |
175 | break; | |
176 | case SR_CONF_TIMEBASE: | |
177 | *data = g_variant_new("(tt)", | |
ea257cdc UH |
178 | model->timebases[state->timebase].p, |
179 | model->timebases[state->timebase].q); | |
3f2c7c94 SS |
180 | ret = SR_OK; |
181 | break; | |
182 | case SR_CONF_NUM_VDIV: | |
183 | for (i = 0; i < model->analog_channels; i++) { | |
184 | if (cg != devc->analog_groups[i]) | |
185 | continue; | |
186 | *data = g_variant_new_int32(model->num_ydivs); | |
187 | ret = SR_OK; | |
188 | } | |
189 | break; | |
190 | case SR_CONF_VDIV: | |
191 | for (i = 0; i < model->analog_channels; i++) { | |
192 | if (cg != devc->analog_groups[i]) | |
193 | continue; | |
194 | *data = g_variant_new("(tt)", | |
ea257cdc UH |
195 | model->vdivs[state->analog_channels[i].vdiv].p, |
196 | model->vdivs[state->analog_channels[i].vdiv].q); | |
3f2c7c94 SS |
197 | ret = SR_OK; |
198 | } | |
199 | break; | |
200 | case SR_CONF_TRIGGER_SOURCE: | |
201 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
202 | ret = SR_OK; | |
203 | break; | |
204 | case SR_CONF_TRIGGER_SLOPE: | |
205 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
206 | ret = SR_OK; | |
207 | break; | |
208 | case SR_CONF_HORIZ_TRIGGERPOS: | |
209 | *data = g_variant_new_double(state->horiz_triggerpos); | |
210 | ret = SR_OK; | |
211 | break; | |
212 | case SR_CONF_COUPLING: | |
3f2c7c94 | 213 | for (i = 0; i < model->analog_channels; i++) { |
ea257cdc | 214 | if (cg != devc->analog_groups[i]) |
3f2c7c94 | 215 | continue; |
3f2c7c94 SS |
216 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); |
217 | ret = SR_OK; | |
218 | } | |
219 | break; | |
220 | case SR_CONF_SAMPLERATE: | |
221 | *data = g_variant_new_uint64(state->sample_rate); | |
222 | ret = SR_OK; | |
223 | break; | |
224 | case SR_CONF_ENABLED: | |
225 | *data = g_variant_new_boolean(FALSE); | |
226 | ret = SR_OK; | |
227 | break; | |
e3b83c5e | 228 | default: |
3f2c7c94 | 229 | ret = SR_ERR_NA; |
e3b83c5e | 230 | } |
ea257cdc | 231 | |
e3b83c5e SS |
232 | return ret; |
233 | } | |
234 | ||
3f2c7c94 SS |
235 | static GVariant *build_tuples(const struct sr_rational *array, unsigned int n) |
236 | { | |
237 | unsigned int i; | |
238 | GVariant *rational[2]; | |
239 | GVariantBuilder gvb; | |
240 | ||
241 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
242 | ||
243 | for (i = 0; i < n; i++) { | |
244 | rational[0] = g_variant_new_uint64(array[i].p); | |
245 | rational[1] = g_variant_new_uint64(array[i].q); | |
246 | ||
247 | /* FIXME: Valgrind reports a memory leak here. */ | |
248 | g_variant_builder_add_value(&gvb, g_variant_new_tuple(rational, 2)); | |
249 | } | |
250 | ||
251 | return g_variant_builder_end(&gvb); | |
252 | } | |
253 | ||
ea257cdc UH |
254 | static int config_set(uint32_t key, GVariant *data, |
255 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
e3b83c5e SS |
256 | { |
257 | int ret; | |
3f2c7c94 SS |
258 | unsigned int i, j; |
259 | char command[MAX_COMMAND_SIZE]; | |
260 | struct dev_context *devc; | |
261 | const struct scope_config *model; | |
262 | struct scope_state *state; | |
263 | const char *tmp; | |
264 | int64_t p; | |
265 | uint64_t q; | |
266 | double tmp_d; | |
267 | gboolean update_sample_rate; | |
e3b83c5e | 268 | |
3f2c7c94 SS |
269 | if (!sdi) |
270 | return SR_ERR_ARG; | |
e3b83c5e | 271 | |
3f2c7c94 SS |
272 | devc = sdi->priv; |
273 | ||
274 | model = devc->model_config; | |
275 | state = devc->model_state; | |
276 | update_sample_rate = FALSE; | |
277 | ||
278 | ret = SR_ERR_NA; | |
e3b83c5e | 279 | |
e3b83c5e | 280 | switch (key) { |
3f2c7c94 SS |
281 | case SR_CONF_LIMIT_FRAMES: |
282 | devc->frame_limit = g_variant_get_uint64(data); | |
283 | ret = SR_OK; | |
284 | break; | |
285 | case SR_CONF_TRIGGER_SOURCE: | |
286 | tmp = g_variant_get_string(data, NULL); | |
287 | for (i = 0; (*model->trigger_sources)[i]; i++) { | |
288 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) | |
289 | continue; | |
290 | state->trigger_source = i; | |
291 | g_snprintf(command, sizeof(command), | |
292 | "SET TRIGGER SOURCE %s", | |
293 | (*model->trigger_sources)[i]); | |
294 | ||
295 | ret = sr_scpi_send(sdi->conn, command); | |
296 | break; | |
297 | } | |
298 | break; | |
299 | case SR_CONF_VDIV: | |
300 | g_variant_get(data, "(tt)", &p, &q); | |
301 | ||
302 | for (i = 0; i < model->num_vdivs; i++) { | |
303 | if (p != model->vdivs[i].p || q != model->vdivs[i].q) | |
304 | continue; | |
305 | for (j = 1; j <= model->analog_channels; j++) { | |
306 | if (cg != devc->analog_groups[j - 1]) | |
307 | continue; | |
308 | state->analog_channels[j - 1].vdiv = i; | |
309 | g_snprintf(command, sizeof(command), | |
310 | "C%d:VDIV %E", j, (float)p/q); | |
311 | ||
312 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
313 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
314 | return SR_ERR; | |
315 | ||
316 | break; | |
317 | } | |
318 | ||
319 | ret = SR_OK; | |
320 | break; | |
321 | } | |
322 | break; | |
323 | case SR_CONF_TIMEBASE: | |
324 | g_variant_get(data, "(tt)", &p, &q); | |
325 | ||
326 | for (i = 0; i < model->num_timebases; i++) { | |
327 | if (p != model->timebases[i].p || | |
328 | q != model->timebases[i].q) | |
329 | continue; | |
330 | state->timebase = i; | |
331 | g_snprintf(command, sizeof(command), | |
332 | "TIME_DIV %E", (float)p/q); | |
333 | ||
334 | ret = sr_scpi_send(sdi->conn, command); | |
335 | update_sample_rate = TRUE; | |
336 | break; | |
337 | } | |
338 | break; | |
339 | case SR_CONF_HORIZ_TRIGGERPOS: | |
340 | tmp_d = g_variant_get_double(data); | |
341 | ||
342 | if (tmp_d < 0.0 || tmp_d > 1.0) | |
343 | return SR_ERR; | |
344 | ||
345 | state->horiz_triggerpos = tmp_d; | |
346 | tmp_d = -(tmp_d - 0.5) * | |
347 | ((double)model->timebases[state->timebase].p / | |
348 | model->timebases[state->timebase].q) | |
349 | * model->num_xdivs; | |
350 | ||
351 | g_snprintf(command, sizeof(command), "TRIG POS %e S", tmp_d); | |
352 | ||
353 | ret = sr_scpi_send(sdi->conn, command); | |
354 | break; | |
355 | case SR_CONF_TRIGGER_SLOPE: | |
356 | tmp = g_variant_get_string(data, NULL); | |
357 | for (i = 0; (*model->trigger_slopes)[i]; i++) { | |
358 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) | |
359 | continue; | |
360 | state->trigger_slope = i; | |
361 | g_snprintf(command, sizeof(command), | |
362 | "SET TRIGGER SLOPE %s", | |
363 | (*model->trigger_slopes)[i]); | |
364 | ||
365 | ret = sr_scpi_send(sdi->conn, command); | |
366 | break; | |
367 | } | |
368 | break; | |
369 | case SR_CONF_COUPLING: | |
3f2c7c94 SS |
370 | tmp = g_variant_get_string(data, NULL); |
371 | ||
372 | for (i = 0; (*model->coupling_options)[i]; i++) { | |
373 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) | |
374 | continue; | |
375 | for (j = 1; j <= model->analog_channels; j++) { | |
376 | if (cg != devc->analog_groups[j - 1]) | |
377 | continue; | |
ea257cdc | 378 | state->analog_channels[j - 1].coupling = i; |
3f2c7c94 SS |
379 | |
380 | g_snprintf(command, sizeof(command), | |
381 | "C%d:COUPLING %s", j, tmp); | |
382 | ||
383 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
384 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
385 | return SR_ERR; | |
386 | break; | |
387 | } | |
388 | ||
389 | ret = SR_OK; | |
390 | break; | |
391 | } | |
392 | break; | |
e3b83c5e SS |
393 | default: |
394 | ret = SR_ERR_NA; | |
3f2c7c94 | 395 | break; |
e3b83c5e SS |
396 | } |
397 | ||
3f2c7c94 SS |
398 | if (ret == SR_OK) |
399 | ret = sr_scpi_get_opc(sdi->conn); | |
400 | ||
401 | if (ret == SR_OK && update_sample_rate) | |
402 | ret = lecroy_xstream_update_sample_rate(sdi); | |
403 | ||
e3b83c5e SS |
404 | return ret; |
405 | } | |
406 | ||
ea257cdc UH |
407 | static int config_list(uint32_t key, GVariant **data, |
408 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
e3b83c5e | 409 | { |
3f2c7c94 SS |
410 | struct dev_context *devc = NULL; |
411 | const struct scope_config *model = NULL; | |
ea257cdc | 412 | |
e3b83c5e SS |
413 | (void)cg; |
414 | ||
90230cfa SA |
415 | /* SR_CONF_SCAN_OPTIONS is always valid, regardless of sdi or channel group. */ |
416 | if (key == SR_CONF_SCAN_OPTIONS) { | |
417 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
418 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
419 | return SR_OK; | |
3f2c7c94 SS |
420 | } |
421 | ||
90230cfa SA |
422 | /* If sdi is NULL, nothing except SR_CONF_DEVICE_OPTIONS can be provided. */ |
423 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { | |
3f2c7c94 | 424 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
90230cfa SA |
425 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
426 | return SR_OK; | |
427 | } | |
428 | ||
429 | /* Every other option requires a valid device instance. */ | |
430 | if (!sdi) | |
431 | return SR_ERR_ARG; | |
432 | ||
433 | devc = sdi->priv; | |
434 | model = devc->model_config; | |
435 | ||
436 | switch (key) { | |
3f2c7c94 SS |
437 | case SR_CONF_DEVICE_OPTIONS: |
438 | if (!cg) { | |
90230cfa SA |
439 | /* If cg is NULL, only the SR_CONF_DEVICE_OPTIONS that are not |
440 | * specific to a channel group must be returned. */ | |
3f2c7c94 | 441 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
90230cfa SA |
442 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
443 | return SR_OK; | |
3f2c7c94 SS |
444 | } |
445 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
90230cfa | 446 | analog_devopts, ARRAY_SIZE(analog_devopts), |
ea257cdc | 447 | sizeof(uint32_t)); |
3f2c7c94 SS |
448 | break; |
449 | case SR_CONF_COUPLING: | |
450 | *data = g_variant_new_strv(*model->coupling_options, | |
451 | g_strv_length((char **)*model->coupling_options)); | |
452 | break; | |
453 | case SR_CONF_TRIGGER_SOURCE: | |
454 | if (!model) | |
455 | return SR_ERR_ARG; | |
456 | *data = g_variant_new_strv(*model->trigger_sources, | |
457 | g_strv_length((char **)*model->trigger_sources)); | |
458 | break; | |
459 | case SR_CONF_TRIGGER_SLOPE: | |
460 | if (!model) | |
461 | return SR_ERR_ARG; | |
462 | *data = g_variant_new_strv(*model->trigger_slopes, | |
463 | g_strv_length((char **)*model->trigger_slopes)); | |
464 | break; | |
465 | case SR_CONF_TIMEBASE: | |
466 | if (!model) | |
467 | return SR_ERR_ARG; | |
468 | *data = build_tuples(model->timebases, model->num_timebases); | |
469 | break; | |
470 | case SR_CONF_VDIV: | |
471 | if (!model) | |
472 | return SR_ERR_ARG; | |
473 | *data = build_tuples(model->vdivs, model->num_vdivs); | |
474 | break; | |
e3b83c5e SS |
475 | default: |
476 | return SR_ERR_NA; | |
477 | } | |
3f2c7c94 SS |
478 | return SR_OK; |
479 | } | |
e3b83c5e | 480 | |
3f2c7c94 SS |
481 | SR_PRIV int lecroy_xstream_request_data(const struct sr_dev_inst *sdi) |
482 | { | |
483 | char command[MAX_COMMAND_SIZE]; | |
484 | struct sr_channel *ch; | |
485 | struct dev_context *devc; | |
486 | ||
487 | devc = sdi->priv; | |
488 | ||
489 | ch = devc->current_channel->data; | |
490 | ||
491 | if (ch->type != SR_CHANNEL_ANALOG) | |
492 | return SR_ERR; | |
493 | ||
494 | g_snprintf(command, sizeof(command), | |
ea257cdc | 495 | "COMM_FORMAT DEF9,WORD,BIN;C%d:WAVEFORM?", ch->index + 1); |
3f2c7c94 SS |
496 | return sr_scpi_send(sdi->conn, command); |
497 | } | |
498 | ||
6d13a46c | 499 | static int setup_channels(const struct sr_dev_inst *sdi) |
3f2c7c94 SS |
500 | { |
501 | GSList *l; | |
502 | gboolean setup_changed; | |
503 | char command[MAX_COMMAND_SIZE]; | |
504 | struct scope_state *state; | |
505 | struct sr_channel *ch; | |
506 | struct dev_context *devc; | |
507 | struct sr_scpi_dev_inst *scpi; | |
508 | ||
509 | devc = sdi->priv; | |
510 | scpi = sdi->conn; | |
511 | state = devc->model_state; | |
512 | setup_changed = FALSE; | |
513 | ||
514 | for (l = sdi->channels; l; l = l->next) { | |
515 | ch = l->data; | |
516 | switch (ch->type) { | |
517 | case SR_CHANNEL_ANALOG: | |
518 | if (ch->enabled == state->analog_channels[ch->index].state) | |
519 | break; | |
520 | g_snprintf(command, sizeof(command), "C%d:TRACE %s", | |
ea257cdc | 521 | ch->index + 1, ch->enabled ? "ON" : "OFF"); |
3f2c7c94 SS |
522 | |
523 | if (sr_scpi_send(scpi, command) != SR_OK) | |
524 | return SR_ERR; | |
525 | state->analog_channels[ch->index].state = ch->enabled; | |
526 | setup_changed = TRUE; | |
527 | break; | |
528 | default: | |
529 | return SR_ERR; | |
530 | } | |
531 | } | |
532 | ||
533 | if (setup_changed && lecroy_xstream_update_sample_rate(sdi) != SR_OK) | |
534 | return SR_ERR; | |
535 | ||
536 | return SR_OK; | |
e3b83c5e SS |
537 | } |
538 | ||
539 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
540 | { | |
3f2c7c94 SS |
541 | GSList *l; |
542 | struct sr_channel *ch; | |
543 | struct dev_context *devc; | |
544 | int ret; | |
545 | struct sr_scpi_dev_inst *scpi; | |
546 | ||
3f2c7c94 SS |
547 | devc = sdi->priv; |
548 | scpi = sdi->conn; | |
549 | /* Preset empty results. */ | |
550 | g_slist_free(devc->enabled_channels); | |
551 | devc->enabled_channels = NULL; | |
552 | ||
553 | /* | |
554 | * Contruct the list of enabled channels. Determine the highest | |
555 | * number of digital pods involved in the acquisition. | |
556 | */ | |
557 | ||
558 | for (l = sdi->channels; l; l = l->next) { | |
559 | ch = l->data; | |
560 | if (!ch->enabled) | |
561 | continue; | |
562 | /* Only add a single digital channel per group (pod). */ | |
563 | devc->enabled_channels = g_slist_append( | |
564 | devc->enabled_channels, ch); | |
565 | } | |
e3b83c5e | 566 | |
3f2c7c94 SS |
567 | if (!devc->enabled_channels) |
568 | return SR_ERR; | |
569 | ||
570 | /* | |
571 | * Configure the analog channels and the | |
572 | * corresponding digital pods. | |
573 | */ | |
6d13a46c | 574 | if (setup_channels(sdi) != SR_OK) { |
3f2c7c94 SS |
575 | sr_err("Failed to setup channel configuration!"); |
576 | ret = SR_ERR; | |
577 | goto free_enabled; | |
578 | } | |
579 | ||
580 | /* | |
581 | * Start acquisition on the first enabled channel. The | |
582 | * receive routine will continue driving the acquisition. | |
583 | */ | |
584 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
585 | lecroy_xstream_receive_data, (void *)sdi); | |
586 | ||
587 | std_session_send_df_header(sdi); | |
588 | ||
589 | devc->current_channel = devc->enabled_channels; | |
590 | ||
591 | return lecroy_xstream_request_data(sdi); | |
592 | ||
593 | free_enabled: | |
594 | g_slist_free(devc->enabled_channels); | |
595 | devc->enabled_channels = NULL; | |
ea257cdc | 596 | |
3f2c7c94 | 597 | return ret; |
e3b83c5e SS |
598 | } |
599 | ||
600 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
601 | { | |
3f2c7c94 SS |
602 | struct dev_context *devc; |
603 | struct sr_scpi_dev_inst *scpi; | |
604 | ||
605 | std_session_send_df_end(sdi); | |
606 | ||
3f2c7c94 SS |
607 | devc = sdi->priv; |
608 | ||
609 | devc->num_frames = 0; | |
610 | g_slist_free(devc->enabled_channels); | |
611 | devc->enabled_channels = NULL; | |
612 | scpi = sdi->conn; | |
613 | sr_scpi_source_remove(sdi->session, scpi); | |
e3b83c5e SS |
614 | |
615 | return SR_OK; | |
616 | } | |
617 | ||
3f2c7c94 | 618 | static struct sr_dev_driver lecroy_xstream_driver_info = { |
e3b83c5e | 619 | .name = "lecroy-xstream", |
bb08570f | 620 | .longname = "LeCroy X-Stream", |
e3b83c5e SS |
621 | .api_version = 1, |
622 | .init = std_init, | |
623 | .cleanup = std_cleanup, | |
624 | .scan = scan, | |
625 | .dev_list = std_dev_list, | |
626 | .dev_clear = dev_clear, | |
627 | .config_get = config_get, | |
628 | .config_set = config_set, | |
629 | .config_list = config_list, | |
630 | .dev_open = dev_open, | |
631 | .dev_close = dev_close, | |
632 | .dev_acquisition_start = dev_acquisition_start, | |
633 | .dev_acquisition_stop = dev_acquisition_stop, | |
634 | .context = NULL, | |
635 | }; | |
e3b83c5e | 636 | SR_REGISTER_DEV_DRIVER(lecroy_xstream_driver_info); |