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