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10763937 SA |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 abraxa (Soeren Apel) <soeren@apelpie.net> | |
5 | * Based on the Hameg HMO driver by poljar (Damir Jelić) <poljarinho@gmail.com> | |
6 | * | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
8ab929d6 SA |
21 | /** @file |
22 | * <em>Yokogawa DL/DLM series</em> oscilloscope driver | |
23 | * @internal | |
24 | */ | |
25 | ||
10763937 SA |
26 | #include "protocol.h" |
27 | ||
f254bc4b | 28 | static const uint32_t dlm_devopts[] = { |
8ab929d6 SA |
29 | SR_CONF_LOGIC_ANALYZER, |
30 | SR_CONF_OSCILLOSCOPE, | |
5827f61b BV |
31 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, |
32 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
33 | SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
34 | SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
35 | SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
bf622e6d | 36 | SR_CONF_NUM_HDIV | SR_CONF_GET, |
5827f61b | 37 | SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET, |
8ab929d6 SA |
38 | }; |
39 | ||
f254bc4b | 40 | static const uint32_t dlm_analog_devopts[] = { |
5827f61b BV |
41 | SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
42 | SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
43 | SR_CONF_NUM_VDIV | SR_CONF_GET, | |
8ab929d6 SA |
44 | }; |
45 | ||
46 | static const char *dlm_coupling_options[] = { | |
47 | "AC", | |
48 | "DC", | |
49 | "DC50", | |
50 | "GND", | |
51 | NULL, | |
52 | }; | |
53 | ||
54 | /* Note: Values must correlate to the trigger_slopes values */ | |
55 | static const char *dlm_trigger_slopes[] = { | |
56 | "r", | |
57 | "f", | |
58 | NULL, | |
59 | }; | |
60 | ||
61 | static const char *dlm_2ch_trigger_sources[] = { | |
62 | "1", | |
63 | "2", | |
64 | "LINE", | |
65 | "EXT", | |
66 | NULL, | |
67 | }; | |
68 | ||
69 | /* TODO: Is BITx handled correctly or is Dx required? */ | |
70 | static const char *dlm_4ch_trigger_sources[] = { | |
71 | "1", | |
72 | "2", | |
73 | "3", | |
74 | "4", | |
75 | "LINE", | |
76 | "EXT", | |
77 | "BIT1", | |
78 | "BIT2", | |
79 | "BIT3", | |
80 | "BIT4", | |
81 | "BIT5", | |
82 | "BIT6", | |
83 | "BIT7", | |
84 | "BIT8", | |
85 | NULL, | |
86 | }; | |
87 | ||
88 | static const uint64_t dlm_timebases[][2] = { | |
89 | /* nanoseconds */ | |
90 | { 1, 1000000000 }, | |
91 | { 2, 1000000000 }, | |
92 | { 5, 1000000000 }, | |
93 | { 10, 1000000000 }, | |
94 | { 20, 1000000000 }, | |
95 | { 50, 1000000000 }, | |
96 | { 100, 1000000000 }, | |
97 | { 200, 1000000000 }, | |
98 | { 500, 1000000000 }, | |
99 | /* microseconds */ | |
100 | { 1, 1000000 }, | |
101 | { 2, 1000000 }, | |
102 | { 5, 1000000 }, | |
103 | { 10, 1000000 }, | |
104 | { 20, 1000000 }, | |
105 | { 50, 1000000 }, | |
106 | { 100, 1000000 }, | |
107 | { 200, 1000000 }, | |
108 | { 500, 1000000 }, | |
109 | /* milliseconds */ | |
110 | { 1, 1000 }, | |
111 | { 2, 1000 }, | |
112 | { 5, 1000 }, | |
113 | { 10, 1000 }, | |
114 | { 20, 1000 }, | |
115 | { 50, 1000 }, | |
116 | { 100, 1000 }, | |
117 | { 200, 1000 }, | |
118 | { 500, 1000 }, | |
119 | /* seconds */ | |
120 | { 1, 1 }, | |
121 | { 2, 1 }, | |
122 | { 5, 1 }, | |
123 | { 10, 1 }, | |
124 | { 20, 1 }, | |
125 | { 50, 1 }, | |
126 | { 100, 1 }, | |
127 | { 200, 1 }, | |
128 | { 500, 1 }, | |
129 | }; | |
130 | ||
131 | static const uint64_t dlm_vdivs[][2] = { | |
132 | /* millivolts */ | |
133 | { 2, 1000 }, | |
134 | { 5, 1000 }, | |
135 | { 10, 1000 }, | |
136 | { 20, 1000 }, | |
137 | { 50, 1000 }, | |
138 | { 100, 1000 }, | |
139 | { 200, 1000 }, | |
140 | { 500, 1000 }, | |
141 | /* volts */ | |
142 | { 1, 1 }, | |
143 | { 2, 1 }, | |
144 | { 5, 1 }, | |
145 | { 10, 1 }, | |
146 | { 20, 1 }, | |
147 | { 50, 1 }, | |
148 | { 100, 1 }, | |
149 | { 200, 1 }, | |
150 | { 500, 1 }, | |
151 | }; | |
152 | ||
153 | static const char *scope_analog_channel_names[] = { | |
154 | "1", | |
155 | "2", | |
156 | "3", | |
157 | "4" | |
158 | }; | |
159 | ||
7048bb1f | 160 | static const char *scope_digital_channel_names_8[] = { |
8ab929d6 SA |
161 | "D0", |
162 | "D1", | |
163 | "D2", | |
164 | "D3", | |
165 | "D4", | |
166 | "D5", | |
167 | "D6", | |
168 | "D7" | |
169 | }; | |
170 | ||
7048bb1f SA |
171 | static const char *scope_digital_channel_names_32[] = { |
172 | "A0", | |
173 | "A1", | |
174 | "A2", | |
175 | "A3", | |
176 | "A4", | |
177 | "A5", | |
178 | "A6", | |
179 | "A7", | |
180 | "B0", | |
181 | "B1", | |
182 | "B2", | |
183 | "B3", | |
184 | "B4", | |
185 | "B5", | |
186 | "B6", | |
187 | "B7", | |
188 | "C0", | |
189 | "C1", | |
190 | "C2", | |
191 | "C3", | |
192 | "C4", | |
193 | "C5", | |
194 | "C6", | |
195 | "C7", | |
196 | "D0", | |
197 | "D1", | |
198 | "D2", | |
199 | "D3", | |
200 | "D4", | |
201 | "D5", | |
202 | "D6", | |
203 | "D7", | |
204 | }; | |
205 | ||
329733d9 | 206 | static const struct scope_config scope_models[] = { |
8ab929d6 SA |
207 | { |
208 | .model_id = {"710105", "710115", "710125", NULL}, | |
209 | .model_name = {"DLM2022", "DLM2032", "DLM2052", NULL}, | |
210 | .analog_channels = 2, | |
211 | .digital_channels = 0, | |
212 | .pods = 0, | |
213 | ||
214 | .analog_names = &scope_analog_channel_names, | |
7048bb1f | 215 | .digital_names = &scope_digital_channel_names_8, |
8ab929d6 | 216 | |
f254bc4b BV |
217 | .devopts = &dlm_devopts, |
218 | .num_devopts = ARRAY_SIZE(dlm_devopts), | |
8ab929d6 | 219 | |
f254bc4b BV |
220 | .analog_devopts = &dlm_analog_devopts, |
221 | .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts), | |
8ab929d6 SA |
222 | |
223 | .coupling_options = &dlm_coupling_options, | |
224 | .trigger_sources = &dlm_2ch_trigger_sources, | |
225 | .trigger_slopes = &dlm_trigger_slopes, | |
226 | ||
227 | .timebases = &dlm_timebases, | |
228 | .num_timebases = ARRAY_SIZE(dlm_timebases), | |
229 | ||
230 | .vdivs = &dlm_vdivs, | |
231 | .num_vdivs = ARRAY_SIZE(dlm_vdivs), | |
232 | ||
233 | .num_xdivs = 10, | |
234 | .num_ydivs = 8, | |
235 | }, | |
236 | { | |
237 | .model_id = {"710110", "710120", "710130", NULL}, | |
238 | .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL}, | |
239 | .analog_channels = 4, | |
240 | .digital_channels = 8, | |
241 | .pods = 1, | |
242 | ||
243 | .analog_names = &scope_analog_channel_names, | |
7048bb1f SA |
244 | .digital_names = &scope_digital_channel_names_8, |
245 | ||
246 | .devopts = &dlm_devopts, | |
247 | .num_devopts = ARRAY_SIZE(dlm_devopts), | |
248 | ||
249 | .analog_devopts = &dlm_analog_devopts, | |
250 | .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts), | |
251 | ||
252 | .coupling_options = &dlm_coupling_options, | |
253 | .trigger_sources = &dlm_4ch_trigger_sources, | |
254 | .trigger_slopes = &dlm_trigger_slopes, | |
255 | ||
256 | .timebases = &dlm_timebases, | |
257 | .num_timebases = ARRAY_SIZE(dlm_timebases), | |
258 | ||
259 | .vdivs = &dlm_vdivs, | |
260 | .num_vdivs = ARRAY_SIZE(dlm_vdivs), | |
261 | ||
262 | .num_xdivs = 10, | |
263 | .num_ydivs = 8, | |
264 | }, | |
265 | { | |
266 | .model_id = {"701307", "701308", "701310", "701311", | |
267 | "701312", "701313", NULL}, | |
268 | .model_name = {"DL9040", "DL9040L", "DL9140", "DL9140L", | |
269 | "DL9240", "DL9240L", NULL}, | |
270 | .analog_channels = 4, | |
271 | .digital_channels = 0, | |
272 | .pods = 0, | |
273 | ||
274 | .analog_names = &scope_analog_channel_names, | |
275 | .digital_names = NULL, | |
276 | ||
277 | .devopts = &dlm_devopts, | |
278 | .num_devopts = ARRAY_SIZE(dlm_devopts), | |
279 | ||
280 | .analog_devopts = &dlm_analog_devopts, | |
281 | .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts), | |
282 | ||
283 | .coupling_options = &dlm_coupling_options, | |
284 | .trigger_sources = &dlm_4ch_trigger_sources, | |
285 | .trigger_slopes = &dlm_trigger_slopes, | |
286 | ||
287 | .timebases = &dlm_timebases, | |
288 | .num_timebases = ARRAY_SIZE(dlm_timebases), | |
289 | ||
290 | .vdivs = &dlm_vdivs, | |
291 | .num_vdivs = ARRAY_SIZE(dlm_vdivs), | |
292 | ||
293 | .num_xdivs = 10, | |
294 | .num_ydivs = 8, | |
295 | }, | |
296 | { | |
297 | .model_id = {"701320", "701321", NULL}, | |
298 | .model_name = {"DL9505L", "DL9510L", NULL}, | |
299 | .analog_channels = 4, | |
300 | .digital_channels = 16, | |
301 | .pods = 4, | |
302 | ||
303 | .analog_names = &scope_analog_channel_names, | |
304 | .digital_names = &scope_digital_channel_names_32, | |
305 | ||
306 | .devopts = &dlm_devopts, | |
307 | .num_devopts = ARRAY_SIZE(dlm_devopts), | |
308 | ||
309 | .analog_devopts = &dlm_analog_devopts, | |
310 | .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts), | |
311 | ||
312 | .coupling_options = &dlm_coupling_options, | |
313 | .trigger_sources = &dlm_4ch_trigger_sources, | |
314 | .trigger_slopes = &dlm_trigger_slopes, | |
315 | ||
316 | .timebases = &dlm_timebases, | |
317 | .num_timebases = ARRAY_SIZE(dlm_timebases), | |
318 | ||
319 | .vdivs = &dlm_vdivs, | |
320 | .num_vdivs = ARRAY_SIZE(dlm_vdivs), | |
321 | ||
322 | .num_xdivs = 10, | |
323 | .num_ydivs = 8, | |
324 | }, | |
325 | { | |
326 | .model_id = {"701330", "701331", NULL}, | |
327 | .model_name = {"DL9705L", "DL9710L", NULL}, | |
328 | .analog_channels = 4, | |
329 | .digital_channels = 32, | |
330 | .pods = 4, | |
331 | ||
332 | .analog_names = &scope_analog_channel_names, | |
333 | .digital_names = &scope_digital_channel_names_32, | |
8ab929d6 | 334 | |
f254bc4b BV |
335 | .devopts = &dlm_devopts, |
336 | .num_devopts = ARRAY_SIZE(dlm_devopts), | |
8ab929d6 | 337 | |
f254bc4b BV |
338 | .analog_devopts = &dlm_analog_devopts, |
339 | .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts), | |
8ab929d6 SA |
340 | |
341 | .coupling_options = &dlm_coupling_options, | |
342 | .trigger_sources = &dlm_4ch_trigger_sources, | |
343 | .trigger_slopes = &dlm_trigger_slopes, | |
344 | ||
345 | .timebases = &dlm_timebases, | |
346 | .num_timebases = ARRAY_SIZE(dlm_timebases), | |
347 | ||
348 | .vdivs = &dlm_vdivs, | |
349 | .num_vdivs = ARRAY_SIZE(dlm_vdivs), | |
350 | ||
351 | .num_xdivs = 10, | |
352 | .num_ydivs = 8, | |
353 | }, | |
354 | }; | |
355 | ||
356 | /** | |
357 | * Prints out the state of the device as we currently know it. | |
358 | * | |
359 | * @param config This is the scope configuration. | |
360 | * @param state The current scope state to print. | |
361 | */ | |
329733d9 | 362 | static void scope_state_dump(const struct scope_config *config, |
8ab929d6 SA |
363 | struct scope_state *state) |
364 | { | |
365 | unsigned int i; | |
366 | char *tmp; | |
367 | ||
368 | for (i = 0; i < config->analog_channels; ++i) { | |
369 | tmp = sr_voltage_string((*config->vdivs)[state->analog_states[i].vdiv][0], | |
ac10a927 | 370 | (*config->vdivs)[state->analog_states[i].vdiv][1]); |
8ab929d6 | 371 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
ac10a927 SA |
372 | i + 1, state->analog_states[i].state ? "On" : "Off", |
373 | (*config->coupling_options)[state->analog_states[i].coupling], | |
374 | tmp, state->analog_states[i].vertical_offset); | |
8ab929d6 SA |
375 | } |
376 | ||
377 | for (i = 0; i < config->digital_channels; ++i) { | |
378 | sr_info("State of digital channel %d -> %s", i, | |
ac10a927 | 379 | state->digital_states[i] ? "On" : "Off"); |
8ab929d6 SA |
380 | } |
381 | ||
382 | for (i = 0; i < config->pods; ++i) { | |
383 | sr_info("State of digital POD %d -> %s", i, | |
ac10a927 | 384 | state->pod_states[i] ? "On" : "Off"); |
8ab929d6 SA |
385 | } |
386 | ||
387 | tmp = sr_period_string((*config->timebases)[state->timebase][0] * | |
ac10a927 | 388 | (*config->timebases)[state->timebase][1]); |
8ab929d6 SA |
389 | sr_info("Current timebase: %s", tmp); |
390 | g_free(tmp); | |
391 | ||
392 | tmp = sr_samplerate_string(state->sample_rate); | |
393 | sr_info("Current samplerate: %s", tmp); | |
394 | g_free(tmp); | |
395 | ||
af3487ec | 396 | sr_info("Current samples per acquisition (i.e. frame): %d", |
ac10a927 | 397 | state->samples_per_frame); |
af3487ec | 398 | |
8ab929d6 | 399 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
ac10a927 SA |
400 | (*config->trigger_sources)[state->trigger_source], |
401 | (*config->trigger_slopes)[state->trigger_slope], | |
402 | state->horiz_triggerpos); | |
8ab929d6 SA |
403 | } |
404 | ||
405 | /** | |
406 | * Searches through an array of strings and returns the index to the | |
407 | * array where a given string is located. | |
408 | * | |
409 | * @param value The string to search for. | |
410 | * @param array The array of strings. | |
411 | * @param result The index at which value is located in array. -1 on error. | |
412 | * | |
413 | * @return SR_ERR when value couldn't be found, SR_OK otherwise. | |
414 | */ | |
415 | static int array_option_get(char *value, const char *(*array)[], | |
416 | int *result) | |
417 | { | |
418 | unsigned int i; | |
419 | ||
420 | *result = -1; | |
421 | ||
422 | for (i = 0; (*array)[i]; ++i) | |
423 | if (!g_strcmp0(value, (*array)[i])) { | |
424 | *result = i; | |
425 | break; | |
426 | } | |
427 | ||
428 | if (*result == -1) | |
429 | return SR_ERR; | |
430 | ||
431 | return SR_OK; | |
432 | } | |
433 | ||
434 | /** | |
435 | * This function takes a value of the form "2.000E-03", converts it to a | |
436 | * significand / factor pair and returns the index of an array where | |
437 | * a matching pair was found. | |
438 | * | |
439 | * It's a bit convoluted because of floating-point issues. The value "10.00E-09" | |
440 | * is parsed by g_ascii_strtod() as 0.000000009999999939, for example. | |
441 | * Therefore it's easier to break the number up into two strings and handle | |
442 | * them separately. | |
443 | * | |
444 | * @param value The string to be parsed. | |
445 | * @param array The array of s/f pairs. | |
446 | * @param array_len The number of pairs in the array. | |
447 | * @param result The index at which a matching pair was found. | |
448 | * | |
449 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
450 | */ | |
451 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
452 | int array_len, int *result) | |
453 | { | |
454 | int i; | |
455 | uint64_t f; | |
456 | float s; | |
ac10a927 | 457 | unsigned int s_int; |
8ab929d6 SA |
458 | gchar ss[10], es[10]; |
459 | ||
460 | memset(ss, 0, sizeof(ss)); | |
461 | memset(es, 0, sizeof(es)); | |
462 | ||
463 | strncpy(ss, value, 5); | |
464 | strncpy(es, &(value[6]), 3); | |
465 | ||
466 | if (sr_atof_ascii(ss, &s) != SR_OK) | |
467 | return SR_ERR; | |
468 | if (sr_atoi(es, &i) != SR_OK) | |
469 | return SR_ERR; | |
470 | ||
471 | /* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */ | |
472 | f = pow(10, abs(i)); | |
473 | ||
474 | /* Adjust the significand/factor pair to make sure | |
475 | * that f is a multiple of 1000. | |
476 | */ | |
477 | while ((int)fmod(log10(f), 3) > 0) { s *= 10; f *= 10; } | |
478 | ||
479 | /* Truncate s to circumvent rounding errors. */ | |
ac10a927 | 480 | s_int = (unsigned int)s; |
8ab929d6 SA |
481 | |
482 | for (i = 0; i < array_len; i++) { | |
ac10a927 | 483 | if ( (s_int == array[i][0]) && (f == array[i][1]) ) { |
8ab929d6 SA |
484 | *result = i; |
485 | return SR_OK; | |
486 | } | |
487 | } | |
488 | ||
489 | return SR_ERR; | |
490 | } | |
491 | ||
492 | /** | |
493 | * Obtains information about all analog channels from the oscilloscope. | |
494 | * The internal state information is updated accordingly. | |
495 | * | |
496 | * @param scpi An open SCPI connection. | |
497 | * @param config The device's device configuration. | |
498 | * @param state The device's state information. | |
499 | * | |
500 | * @return SR_ERR on error, SR_OK otherwise. | |
501 | */ | |
502 | static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi, | |
329733d9 | 503 | const struct scope_config *config, |
ac10a927 | 504 | struct scope_state *state) |
8ab929d6 SA |
505 | { |
506 | int i, j; | |
507 | gchar *response; | |
508 | ||
509 | for (i = 0; i < config->analog_channels; ++i) { | |
510 | ||
511 | if (dlm_analog_chan_state_get(scpi, i + 1, | |
ac10a927 | 512 | &state->analog_states[i].state) != SR_OK) |
8ab929d6 SA |
513 | return SR_ERR; |
514 | ||
515 | if (dlm_analog_chan_vdiv_get(scpi, i + 1, &response) != SR_OK) | |
516 | return SR_ERR; | |
517 | ||
518 | if (array_float_get(response, *config->vdivs, config->num_vdivs, | |
ac10a927 | 519 | &j) != SR_OK) { |
8ab929d6 SA |
520 | g_free(response); |
521 | return SR_ERR; | |
522 | } | |
523 | ||
524 | g_free(response); | |
525 | state->analog_states[i].vdiv = j; | |
526 | ||
527 | if (dlm_analog_chan_voffs_get(scpi, i + 1, | |
ac10a927 | 528 | &state->analog_states[i].vertical_offset) != SR_OK) |
8ab929d6 SA |
529 | return SR_ERR; |
530 | ||
531 | if (dlm_analog_chan_wrange_get(scpi, i + 1, | |
ac10a927 | 532 | &state->analog_states[i].waveform_range) != SR_OK) |
8ab929d6 SA |
533 | return SR_ERR; |
534 | ||
535 | if (dlm_analog_chan_woffs_get(scpi, i + 1, | |
ac10a927 | 536 | &state->analog_states[i].waveform_offset) != SR_OK) |
8ab929d6 SA |
537 | return SR_ERR; |
538 | ||
539 | if (dlm_analog_chan_coupl_get(scpi, i + 1, &response) != SR_OK) { | |
540 | g_free(response); | |
541 | return SR_ERR; | |
542 | } | |
543 | ||
544 | if (array_option_get(response, config->coupling_options, | |
ac10a927 | 545 | &state->analog_states[i].coupling) != SR_OK) { |
8ab929d6 SA |
546 | g_free(response); |
547 | return SR_ERR; | |
548 | } | |
549 | g_free(response); | |
550 | } | |
551 | ||
552 | return SR_OK; | |
553 | } | |
554 | ||
555 | /** | |
556 | * Obtains information about all digital channels from the oscilloscope. | |
557 | * The internal state information is updated accordingly. | |
558 | * | |
559 | * @param scpi An open SCPI connection. | |
560 | * @param config The device's device configuration. | |
561 | * @param state The device's state information. | |
562 | * | |
563 | * @return SR_ERR on error, SR_OK otherwise. | |
564 | */ | |
565 | static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi, | |
329733d9 | 566 | const struct scope_config *config, |
ac10a927 | 567 | struct scope_state *state) |
8ab929d6 SA |
568 | { |
569 | unsigned int i; | |
570 | ||
571 | if (!config->digital_channels) | |
572 | { | |
573 | sr_warn("Tried obtaining digital channel states on a " \ | |
ac10a927 | 574 | "model without digital inputs."); |
8ab929d6 SA |
575 | return SR_OK; |
576 | } | |
577 | ||
578 | for (i = 0; i < config->digital_channels; ++i) { | |
579 | if (dlm_digital_chan_state_get(scpi, i + 1, | |
580 | &state->digital_states[i]) != SR_OK) { | |
581 | return SR_ERR; | |
582 | } | |
583 | } | |
584 | ||
585 | if (!config->pods) | |
586 | { | |
587 | sr_warn("Tried obtaining pod states on a model without pods."); | |
588 | return SR_OK; | |
589 | } | |
590 | ||
591 | for (i = 0; i < config->pods; ++i) { | |
592 | if (dlm_digital_pod_state_get(scpi, i + 'A', | |
593 | &state->pod_states[i]) != SR_OK) | |
594 | return SR_ERR; | |
595 | } | |
596 | ||
597 | return SR_OK; | |
598 | } | |
599 | ||
600 | /** | |
601 | * Obtains information about the sample rate from the oscilloscope. | |
602 | * The internal state information is updated accordingly. | |
603 | * | |
604 | * @param sdi The device instance. | |
605 | * | |
606 | * @return SR_ERR on error, SR_OK otherwise. | |
607 | */ | |
608 | SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi) | |
609 | { | |
610 | struct dev_context *devc; | |
611 | struct scope_state *state; | |
612 | float tmp_float; | |
613 | ||
614 | devc = sdi->priv; | |
615 | state = devc->model_state; | |
616 | ||
617 | /* No need to find an active channel to query the sample rate: | |
618 | * querying any channel will do, so we use channel 1 all the time. | |
619 | */ | |
620 | if (dlm_analog_chan_srate_get(sdi->conn, 1, &tmp_float) != SR_OK) | |
621 | return SR_ERR; | |
622 | ||
623 | state->sample_rate = tmp_float; | |
624 | ||
625 | return SR_OK; | |
626 | } | |
627 | ||
628 | /** | |
629 | * Obtains information about the current device state from the oscilloscope, | |
630 | * including all analog and digital channel configurations. | |
631 | * The internal state information is updated accordingly. | |
632 | * | |
633 | * @param sdi The device instance. | |
634 | * | |
635 | * @return SR_ERR on error, SR_OK otherwise. | |
636 | */ | |
637 | SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi) | |
638 | { | |
639 | struct dev_context *devc; | |
640 | struct scope_state *state; | |
329733d9 | 641 | const struct scope_config *config; |
8ab929d6 SA |
642 | float tmp_float; |
643 | gchar *response; | |
644 | int i; | |
645 | ||
646 | devc = sdi->priv; | |
647 | config = devc->model_config; | |
648 | state = devc->model_state; | |
649 | ||
650 | if (analog_channel_state_get(sdi->conn, config, state) != SR_OK) | |
651 | return SR_ERR; | |
652 | ||
653 | if (digital_channel_state_get(sdi->conn, config, state) != SR_OK) | |
654 | return SR_ERR; | |
655 | ||
656 | if (dlm_timebase_get(sdi->conn, &response) != SR_OK) | |
657 | return SR_ERR; | |
658 | ||
659 | if (array_float_get(response, *config->timebases, | |
ac10a927 | 660 | config->num_timebases, &i) != SR_OK) { |
8ab929d6 SA |
661 | g_free(response); |
662 | return SR_ERR; | |
663 | } | |
664 | ||
665 | g_free(response); | |
666 | state->timebase = i; | |
667 | ||
668 | if (dlm_horiz_trigger_pos_get(sdi->conn, &tmp_float) != SR_OK) | |
669 | return SR_ERR; | |
670 | ||
671 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
672 | state->horiz_triggerpos = tmp_float / | |
ac10a927 SA |
673 | (((double)(*config->timebases)[state->timebase][0] / |
674 | (*config->timebases)[state->timebase][1]) * config->num_xdivs); | |
8ab929d6 SA |
675 | state->horiz_triggerpos -= 0.5; |
676 | state->horiz_triggerpos *= -1; | |
677 | ||
678 | if (dlm_trigger_source_get(sdi->conn, &response) != SR_OK) { | |
679 | g_free(response); | |
680 | return SR_ERR; | |
681 | } | |
682 | ||
683 | if (array_option_get(response, config->trigger_sources, | |
ac10a927 | 684 | &state->trigger_source) != SR_OK) { |
8ab929d6 SA |
685 | g_free(response); |
686 | return SR_ERR; | |
687 | } | |
688 | ||
689 | g_free(response); | |
690 | ||
691 | if (dlm_trigger_slope_get(sdi->conn, &i) != SR_OK) | |
692 | return SR_ERR; | |
693 | ||
694 | state->trigger_slope = i; | |
695 | ||
af3487ec SA |
696 | if (dlm_acq_length_get(sdi->conn, &state->samples_per_frame) != SR_OK) { |
697 | sr_err("Failed to query acquisition length."); | |
698 | return SR_ERR; | |
699 | } | |
700 | ||
8ab929d6 SA |
701 | dlm_sample_rate_query(sdi); |
702 | ||
703 | scope_state_dump(config, state); | |
704 | ||
705 | return SR_OK; | |
706 | } | |
707 | ||
708 | /** | |
709 | * Creates a new device state structure. | |
710 | * | |
711 | * @param config The device configuration to use. | |
712 | * | |
ac10a927 | 713 | * @return The newly allocated scope_state struct. |
8ab929d6 | 714 | */ |
329733d9 | 715 | static struct scope_state *dlm_scope_state_new(const struct scope_config *config) |
8ab929d6 SA |
716 | { |
717 | struct scope_state *state; | |
718 | ||
ac10a927 | 719 | state = g_malloc0(sizeof(struct scope_state)); |
8ab929d6 SA |
720 | |
721 | state->analog_states = g_malloc0(config->analog_channels * | |
ac10a927 | 722 | sizeof(struct analog_channel_state)); |
8ab929d6 SA |
723 | |
724 | state->digital_states = g_malloc0(config->digital_channels * | |
ac10a927 | 725 | sizeof(gboolean)); |
8ab929d6 SA |
726 | |
727 | state->pod_states = g_malloc0(config->pods * sizeof(gboolean)); | |
728 | ||
729 | return state; | |
730 | } | |
731 | ||
732 | /** | |
733 | * Frees the memory that was allocated by a call to dlm_scope_state_new(). | |
734 | * | |
735 | * @param state The device state structure whose memory is to be freed. | |
736 | */ | |
737 | SR_PRIV void dlm_scope_state_destroy(struct scope_state *state) | |
738 | { | |
739 | g_free(state->analog_states); | |
740 | g_free(state->digital_states); | |
741 | g_free(state->pod_states); | |
742 | g_free(state); | |
743 | } | |
744 | ||
745 | SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index) | |
746 | { | |
747 | unsigned int i, j; | |
748 | ||
749 | *model_index = -1; | |
750 | *model_name = NULL; | |
751 | ||
752 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { | |
753 | for (j = 0; scope_models[i].model_id[j]; j++) { | |
754 | if (!strcmp(model_id, scope_models[i].model_id[j])) { | |
755 | *model_index = i; | |
756 | *model_name = (char *)scope_models[i].model_name[j]; | |
757 | break; | |
758 | } | |
759 | } | |
760 | if (*model_index != -1) | |
761 | break; | |
762 | } | |
763 | ||
764 | if (*model_index == -1) { | |
765 | sr_err("Found unsupported DLM device with model identifier %s.", | |
ac10a927 | 766 | model_id); |
8ab929d6 SA |
767 | return SR_ERR_NA; |
768 | } | |
769 | ||
770 | return SR_OK; | |
771 | } | |
772 | ||
773 | /** | |
774 | * Attempts to initialize a DL/DLM device and prepares internal structures | |
775 | * if a suitable device was found. | |
776 | * | |
777 | * @param sdi The device instance. | |
778 | */ | |
779 | SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index) | |
780 | { | |
781 | char tmp[25]; | |
782 | int i; | |
783 | struct sr_channel *ch; | |
784 | struct dev_context *devc; | |
785 | ||
786 | devc = sdi->priv; | |
787 | ||
788 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
ac10a927 | 789 | scope_models[model_index].analog_channels); |
8ab929d6 SA |
790 | |
791 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
ac10a927 | 792 | scope_models[model_index].digital_channels); |
8ab929d6 SA |
793 | |
794 | /* Add analog channels. */ | |
795 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { | |
5e23fcab | 796 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 797 | (*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
798 | |
799 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
800 | ||
801 | devc->analog_groups[i]->name = g_strdup( | |
ac10a927 | 802 | (char *)(*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
803 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); |
804 | ||
805 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
ac10a927 | 806 | devc->analog_groups[i]); |
8ab929d6 SA |
807 | } |
808 | ||
809 | /* Add digital channel groups. */ | |
810 | for (i = 0; i < scope_models[model_index].pods; ++i) { | |
811 | g_snprintf(tmp, sizeof(tmp), "POD%d", i); | |
812 | ||
813 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
814 | if (!devc->digital_groups[i]) | |
815 | return SR_ERR_MALLOC; | |
816 | ||
817 | devc->digital_groups[i]->name = g_strdup(tmp); | |
818 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
819 | devc->digital_groups[i]); | |
820 | } | |
821 | ||
822 | /* Add digital channels. */ | |
823 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { | |
5e23fcab | 824 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 825 | (*scope_models[model_index].digital_names)[i]); |
8ab929d6 SA |
826 | |
827 | devc->digital_groups[i / 8]->channels = g_slist_append( | |
ac10a927 | 828 | devc->digital_groups[i / 8]->channels, ch); |
8ab929d6 SA |
829 | } |
830 | devc->model_config = &scope_models[model_index]; | |
831 | devc->frame_limit = 0; | |
832 | ||
833 | if (!(devc->model_state = dlm_scope_state_new(devc->model_config))) | |
834 | return SR_ERR_MALLOC; | |
835 | ||
836 | /* Disable non-standard response behavior. */ | |
837 | if (dlm_response_headers_set(sdi->conn, FALSE) != SR_OK) | |
838 | return SR_ERR; | |
839 | ||
840 | return SR_OK; | |
841 | } | |
842 | ||
af3487ec | 843 | SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi) |
8ab929d6 | 844 | { |
af3487ec SA |
845 | struct dev_context *devc; |
846 | struct sr_channel *ch; | |
847 | int result; | |
8ab929d6 | 848 | |
af3487ec SA |
849 | devc = sdi->priv; |
850 | ch = devc->current_channel->data; | |
8ab929d6 | 851 | |
af3487ec SA |
852 | switch (ch->type) { |
853 | case SR_CHANNEL_ANALOG: | |
854 | result = dlm_analog_data_get(sdi->conn, ch->index + 1); | |
855 | break; | |
856 | case SR_CHANNEL_LOGIC: | |
857 | result = dlm_digital_data_get(sdi->conn); | |
858 | break; | |
859 | default: | |
860 | sr_err("Invalid channel type encountered (%d).", | |
861 | ch->type); | |
862 | result = SR_ERR; | |
8ab929d6 SA |
863 | } |
864 | ||
af3487ec SA |
865 | if (result == SR_OK) |
866 | devc->data_pending = TRUE; | |
867 | else | |
868 | devc->data_pending = FALSE; | |
869 | ||
870 | return result; | |
8ab929d6 SA |
871 | } |
872 | ||
873 | /** | |
874 | * Reads and removes the block data header from a given data input. | |
875 | * Format is #ndddd... with n being the number of decimal digits d. | |
876 | * The string dddd... contains the decimal-encoded length of the data. | |
877 | * Example: #9000000013 would yield a length of 13 bytes. | |
878 | * | |
879 | * @param data The input data. | |
880 | * @param len The determined input data length. | |
881 | */ | |
882 | static int dlm_block_data_header_process(GArray *data, int *len) | |
883 | { | |
884 | int i, n; | |
885 | gchar s[20]; | |
886 | ||
887 | if (g_array_index(data, gchar, 0) != '#') | |
888 | return SR_ERR; | |
889 | ||
890 | n = (uint8_t)(g_array_index(data, gchar, 1) - '0'); | |
891 | ||
892 | for (i = 0; i < n; i++) | |
893 | s[i] = g_array_index(data, gchar, 2 + i); | |
894 | s[i] = 0; | |
895 | ||
896 | if (sr_atoi(s, len) != SR_OK) | |
897 | return SR_ERR; | |
898 | ||
899 | g_array_remove_range(data, 0, 2 + n); | |
900 | ||
901 | return SR_OK; | |
902 | } | |
903 | ||
904 | /** | |
905 | * Turns raw sample data into voltages and sends them off to the session bus. | |
906 | * | |
907 | * @param data The raw sample data. | |
8ab929d6 SA |
908 | * @ch_state Pointer to the state of the channel whose data we're processing. |
909 | * @sdi The device instance. | |
910 | * | |
911 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
912 | */ | |
af3487ec | 913 | static int dlm_analog_samples_send(GArray *data, |
ac10a927 SA |
914 | struct analog_channel_state *ch_state, |
915 | struct sr_dev_inst *sdi) | |
8ab929d6 | 916 | { |
af3487ec | 917 | uint32_t i, samples; |
8ab929d6 SA |
918 | float voltage, range, offset; |
919 | GArray *float_data; | |
920 | struct dev_context *devc; | |
af3487ec | 921 | struct scope_state *model_state; |
8ab929d6 SA |
922 | struct sr_channel *ch; |
923 | struct sr_datafeed_analog analog; | |
924 | struct sr_datafeed_packet packet; | |
925 | ||
af3487ec SA |
926 | devc = sdi->priv; |
927 | model_state = devc->model_state; | |
928 | samples = model_state->samples_per_frame; | |
929 | ch = devc->current_channel->data; | |
930 | ||
8ab929d6 SA |
931 | if (data->len < samples * sizeof(uint8_t)) { |
932 | sr_err("Truncated waveform data packet received."); | |
933 | return SR_ERR; | |
934 | } | |
935 | ||
8ab929d6 SA |
936 | range = ch_state->waveform_range; |
937 | offset = ch_state->waveform_offset; | |
938 | ||
939 | /* Convert byte sample to voltage according to | |
940 | * page 269 of the Communication Interface User's Manual. | |
941 | */ | |
942 | float_data = g_array_new(FALSE, FALSE, sizeof(float)); | |
943 | for (i = 0; i < samples; i++) { | |
944 | voltage = (float)g_array_index(data, int8_t, i); | |
945 | voltage = (range * voltage / | |
ac10a927 | 946 | DLM_DIVISION_FOR_BYTE_FORMAT) + offset; |
8ab929d6 SA |
947 | g_array_append_val(float_data, voltage); |
948 | } | |
949 | ||
950 | analog.channels = g_slist_append(NULL, ch); | |
951 | analog.num_samples = float_data->len; | |
952 | analog.data = (float*)float_data->data; | |
953 | analog.mq = SR_MQ_VOLTAGE; | |
954 | analog.unit = SR_UNIT_VOLT; | |
955 | analog.mqflags = 0; | |
956 | packet.type = SR_DF_ANALOG; | |
957 | packet.payload = &analog; | |
958 | sr_session_send(sdi, &packet); | |
959 | g_slist_free(analog.channels); | |
960 | ||
961 | g_array_free(float_data, TRUE); | |
962 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
963 | ||
964 | return SR_OK; | |
965 | } | |
966 | ||
967 | /** | |
968 | * Sends logic sample data off to the session bus. | |
969 | * | |
970 | * @param data The raw sample data. | |
8ab929d6 SA |
971 | * @ch_state Pointer to the state of the channel whose data we're processing. |
972 | * @sdi The device instance. | |
973 | * | |
974 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
975 | */ | |
af3487ec | 976 | static int dlm_digital_samples_send(GArray *data, |
ac10a927 | 977 | struct sr_dev_inst *sdi) |
8ab929d6 | 978 | { |
af3487ec SA |
979 | struct dev_context *devc; |
980 | struct scope_state *model_state; | |
981 | uint32_t samples; | |
8ab929d6 SA |
982 | struct sr_datafeed_logic logic; |
983 | struct sr_datafeed_packet packet; | |
984 | ||
af3487ec SA |
985 | devc = sdi->priv; |
986 | model_state = devc->model_state; | |
987 | samples = model_state->samples_per_frame; | |
988 | ||
8ab929d6 SA |
989 | if (data->len < samples * sizeof(uint8_t)) { |
990 | sr_err("Truncated waveform data packet received."); | |
991 | return SR_ERR; | |
992 | } | |
993 | ||
994 | logic.length = samples; | |
995 | logic.unitsize = 1; | |
996 | logic.data = data->data; | |
997 | packet.type = SR_DF_LOGIC; | |
998 | packet.payload = &logic; | |
999 | sr_session_send(sdi, &packet); | |
1000 | ||
1001 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
1002 | ||
1003 | return SR_OK; | |
1004 | } | |
1005 | ||
1006 | /** | |
1007 | * Attempts to query sample data from the oscilloscope in order to send it | |
1008 | * to the session bus for further processing. | |
1009 | * | |
1010 | * @param fd The file descriptor used as the event source. | |
1011 | * @param revents The received events. | |
1012 | * @param cb_data Callback data, in this case our device instance. | |
1013 | * | |
1014 | * @return TRUE in case of success or a recoverable error, | |
1015 | * FALSE when a fatal error was encountered. | |
1016 | */ | |
1017 | SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data) | |
1018 | { | |
8ab929d6 SA |
1019 | struct sr_dev_inst *sdi; |
1020 | struct scope_state *model_state; | |
1021 | struct dev_context *devc; | |
af3487ec | 1022 | struct sr_channel *ch; |
8ab929d6 | 1023 | struct sr_datafeed_packet packet; |
af3487ec SA |
1024 | int chunk_len, num_bytes; |
1025 | static GArray *data = NULL; | |
8ab929d6 SA |
1026 | |
1027 | (void)fd; | |
1028 | (void)revents; | |
1029 | ||
1030 | if (!(sdi = cb_data)) | |
1031 | return FALSE; | |
1032 | ||
1033 | if (!(devc = sdi->priv)) | |
1034 | return FALSE; | |
1035 | ||
1036 | if (!(model_state = (struct scope_state*)devc->model_state)) | |
1037 | return FALSE; | |
1038 | ||
af3487ec SA |
1039 | /* Are we waiting for a response from the device? */ |
1040 | if (!devc->data_pending) | |
8ab929d6 | 1041 | return TRUE; |
af3487ec SA |
1042 | |
1043 | /* Check if a new query response is coming our way. */ | |
1044 | if (!data) { | |
1045 | if (sr_scpi_read_begin(sdi->conn) == SR_OK) | |
1046 | /* The 16 here accounts for the header and EOL. */ | |
1047 | data = g_array_sized_new(FALSE, FALSE, sizeof(uint8_t), | |
ac10a927 | 1048 | 16 + model_state->samples_per_frame); |
af3487ec SA |
1049 | else |
1050 | return TRUE; | |
8ab929d6 SA |
1051 | } |
1052 | ||
af3487ec SA |
1053 | /* Store incoming data. */ |
1054 | chunk_len = sr_scpi_read_data(sdi->conn, devc->receive_buffer, | |
ac10a927 | 1055 | RECEIVE_BUFFER_SIZE); |
af3487ec SA |
1056 | if (chunk_len < 0) { |
1057 | sr_err("Error while reading data: %d", chunk_len); | |
1058 | goto fail; | |
1059 | } | |
1060 | g_array_append_vals(data, devc->receive_buffer, chunk_len); | |
8ab929d6 | 1061 | |
af3487ec SA |
1062 | /* Read the entire query response before processing. */ |
1063 | if (!sr_scpi_read_complete(sdi->conn)) | |
1064 | return TRUE; | |
8ab929d6 | 1065 | |
af3487ec SA |
1066 | /* We finished reading and are no longer waiting for data. */ |
1067 | devc->data_pending = FALSE; | |
8ab929d6 | 1068 | |
af3487ec SA |
1069 | /* Signal the beginning of a new frame if this is the first channel. */ |
1070 | if (devc->current_channel == devc->enabled_channels) { | |
1071 | packet.type = SR_DF_FRAME_BEGIN; | |
1072 | sr_session_send(sdi, &packet); | |
1073 | } | |
8ab929d6 | 1074 | |
af3487ec SA |
1075 | if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) { |
1076 | sr_err("Encountered malformed block data header."); | |
1077 | goto fail; | |
1078 | } | |
8ab929d6 | 1079 | |
af3487ec SA |
1080 | if (num_bytes == 0) { |
1081 | sr_warn("Zero-length waveform data packet received. " \ | |
ac10a927 SA |
1082 | "Live mode not supported yet, stopping " \ |
1083 | "acquisition and retrying."); | |
af3487ec SA |
1084 | /* Don't care about return value here. */ |
1085 | dlm_acquisition_stop(sdi->conn); | |
1086 | g_array_free(data, TRUE); | |
0028d5a1 | 1087 | dlm_channel_data_request(sdi); |
af3487ec SA |
1088 | return TRUE; |
1089 | } | |
8ab929d6 | 1090 | |
af3487ec SA |
1091 | ch = devc->current_channel->data; |
1092 | switch (ch->type) { | |
1093 | case SR_CHANNEL_ANALOG: | |
1094 | if (dlm_analog_samples_send(data, | |
1095 | &model_state->analog_states[ch->index], | |
1096 | sdi) != SR_OK) | |
8ab929d6 | 1097 | goto fail; |
af3487ec SA |
1098 | break; |
1099 | case SR_CHANNEL_LOGIC: | |
1100 | if (dlm_digital_samples_send(data, sdi) != SR_OK) | |
1101 | goto fail; | |
1102 | break; | |
1103 | default: | |
1104 | sr_err("Invalid channel type encountered."); | |
1105 | break; | |
1106 | } | |
8ab929d6 | 1107 | |
af3487ec SA |
1108 | g_array_free(data, TRUE); |
1109 | data = NULL; | |
8ab929d6 | 1110 | |
af3487ec SA |
1111 | /* Signal the end of this frame if this was the last enabled channel |
1112 | * and set the next enabled channel. Then, request its data. | |
1113 | */ | |
1114 | if (!devc->current_channel->next) { | |
1115 | packet.type = SR_DF_FRAME_END; | |
1116 | sr_session_send(sdi, &packet); | |
1117 | devc->current_channel = devc->enabled_channels; | |
1118 | ||
1119 | /* As of now we only support importing the current acquisition | |
1120 | * data so we're going to stop at this point. | |
1121 | */ | |
1122 | sdi->driver->dev_acquisition_stop(sdi, cb_data); | |
1123 | return TRUE; | |
1124 | } else | |
1125 | devc->current_channel = devc->current_channel->next; | |
8ab929d6 | 1126 | |
af3487ec | 1127 | if (dlm_channel_data_request(sdi) != SR_OK) { |
f3f19d11 | 1128 | sr_err("Failed to request acquisition data."); |
af3487ec | 1129 | goto fail; |
8ab929d6 SA |
1130 | } |
1131 | ||
8ab929d6 SA |
1132 | return TRUE; |
1133 | ||
1134 | fail: | |
af3487ec | 1135 | if (data) { |
8ab929d6 | 1136 | g_array_free(data, TRUE); |
af3487ec SA |
1137 | data = NULL; |
1138 | } | |
8ab929d6 | 1139 | |
af3487ec | 1140 | return FALSE; |
8ab929d6 | 1141 | } |