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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 | ||
6ec6c43b | 21 | #include <config.h> |
5a1afc09 | 22 | #include "scpi.h" |
10763937 SA |
23 | #include "protocol.h" |
24 | ||
4b25cbff | 25 | static const char *coupling_options[] = { |
8ab929d6 SA |
26 | "AC", |
27 | "DC", | |
28 | "DC50", | |
29 | "GND", | |
30 | NULL, | |
31 | }; | |
32 | ||
4b25cbff | 33 | static const char *trigger_sources_2ch[] = { |
8ab929d6 SA |
34 | "1", |
35 | "2", | |
36 | "LINE", | |
37 | "EXT", | |
38 | NULL, | |
39 | }; | |
40 | ||
41 | /* TODO: Is BITx handled correctly or is Dx required? */ | |
4b25cbff | 42 | static const char *trigger_sources_4ch[] = { |
8ab929d6 SA |
43 | "1", |
44 | "2", | |
45 | "3", | |
46 | "4", | |
47 | "LINE", | |
48 | "EXT", | |
49 | "BIT1", | |
50 | "BIT2", | |
51 | "BIT3", | |
52 | "BIT4", | |
53 | "BIT5", | |
54 | "BIT6", | |
55 | "BIT7", | |
56 | "BIT8", | |
57 | NULL, | |
58 | }; | |
59 | ||
a9308652 | 60 | /* Note: Values must correlate to the trigger_slopes values. */ |
f3c60fb6 SA |
61 | const char *dlm_trigger_slopes[3] = { |
62 | "r", | |
63 | "f", | |
64 | NULL, | |
65 | }; | |
66 | ||
67 | const uint64_t dlm_timebases[36][2] = { | |
8ab929d6 SA |
68 | /* nanoseconds */ |
69 | { 1, 1000000000 }, | |
70 | { 2, 1000000000 }, | |
71 | { 5, 1000000000 }, | |
72 | { 10, 1000000000 }, | |
73 | { 20, 1000000000 }, | |
74 | { 50, 1000000000 }, | |
75 | { 100, 1000000000 }, | |
76 | { 200, 1000000000 }, | |
77 | { 500, 1000000000 }, | |
78 | /* microseconds */ | |
79 | { 1, 1000000 }, | |
80 | { 2, 1000000 }, | |
81 | { 5, 1000000 }, | |
82 | { 10, 1000000 }, | |
83 | { 20, 1000000 }, | |
84 | { 50, 1000000 }, | |
85 | { 100, 1000000 }, | |
86 | { 200, 1000000 }, | |
87 | { 500, 1000000 }, | |
88 | /* milliseconds */ | |
89 | { 1, 1000 }, | |
90 | { 2, 1000 }, | |
91 | { 5, 1000 }, | |
92 | { 10, 1000 }, | |
93 | { 20, 1000 }, | |
94 | { 50, 1000 }, | |
95 | { 100, 1000 }, | |
96 | { 200, 1000 }, | |
97 | { 500, 1000 }, | |
98 | /* seconds */ | |
99 | { 1, 1 }, | |
100 | { 2, 1 }, | |
101 | { 5, 1 }, | |
102 | { 10, 1 }, | |
103 | { 20, 1 }, | |
104 | { 50, 1 }, | |
105 | { 100, 1 }, | |
106 | { 200, 1 }, | |
107 | { 500, 1 }, | |
108 | }; | |
109 | ||
f3c60fb6 | 110 | const uint64_t dlm_vdivs[17][2] = { |
8ab929d6 SA |
111 | /* millivolts */ |
112 | { 2, 1000 }, | |
113 | { 5, 1000 }, | |
114 | { 10, 1000 }, | |
115 | { 20, 1000 }, | |
116 | { 50, 1000 }, | |
117 | { 100, 1000 }, | |
118 | { 200, 1000 }, | |
119 | { 500, 1000 }, | |
120 | /* volts */ | |
121 | { 1, 1 }, | |
122 | { 2, 1 }, | |
123 | { 5, 1 }, | |
124 | { 10, 1 }, | |
125 | { 20, 1 }, | |
126 | { 50, 1 }, | |
127 | { 100, 1 }, | |
128 | { 200, 1 }, | |
129 | { 500, 1 }, | |
130 | }; | |
131 | ||
132 | static const char *scope_analog_channel_names[] = { | |
133 | "1", | |
134 | "2", | |
135 | "3", | |
a9308652 | 136 | "4", |
8ab929d6 SA |
137 | }; |
138 | ||
7048bb1f | 139 | static const char *scope_digital_channel_names_8[] = { |
8ab929d6 SA |
140 | "D0", |
141 | "D1", | |
142 | "D2", | |
143 | "D3", | |
144 | "D4", | |
145 | "D5", | |
146 | "D6", | |
a9308652 | 147 | "D7", |
8ab929d6 SA |
148 | }; |
149 | ||
7048bb1f SA |
150 | static const char *scope_digital_channel_names_32[] = { |
151 | "A0", | |
152 | "A1", | |
153 | "A2", | |
154 | "A3", | |
155 | "A4", | |
156 | "A5", | |
157 | "A6", | |
158 | "A7", | |
159 | "B0", | |
160 | "B1", | |
161 | "B2", | |
162 | "B3", | |
163 | "B4", | |
164 | "B5", | |
165 | "B6", | |
166 | "B7", | |
167 | "C0", | |
168 | "C1", | |
169 | "C2", | |
170 | "C3", | |
171 | "C4", | |
172 | "C5", | |
173 | "C6", | |
174 | "C7", | |
175 | "D0", | |
176 | "D1", | |
177 | "D2", | |
178 | "D3", | |
179 | "D4", | |
180 | "D5", | |
181 | "D6", | |
182 | "D7", | |
183 | }; | |
184 | ||
329733d9 | 185 | static const struct scope_config scope_models[] = { |
8ab929d6 SA |
186 | { |
187 | .model_id = {"710105", "710115", "710125", NULL}, | |
188 | .model_name = {"DLM2022", "DLM2032", "DLM2052", NULL}, | |
189 | .analog_channels = 2, | |
190 | .digital_channels = 0, | |
191 | .pods = 0, | |
192 | ||
193 | .analog_names = &scope_analog_channel_names, | |
7048bb1f | 194 | .digital_names = &scope_digital_channel_names_8, |
8ab929d6 | 195 | |
4b25cbff UH |
196 | .coupling_options = &coupling_options, |
197 | .trigger_sources = &trigger_sources_2ch, | |
8ab929d6 SA |
198 | |
199 | .num_xdivs = 10, | |
200 | .num_ydivs = 8, | |
201 | }, | |
202 | { | |
d9251a2c UH |
203 | .model_id = {"710110", "710120", "710130", NULL}, |
204 | .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL}, | |
8ab929d6 SA |
205 | .analog_channels = 4, |
206 | .digital_channels = 8, | |
207 | .pods = 1, | |
208 | ||
209 | .analog_names = &scope_analog_channel_names, | |
7048bb1f SA |
210 | .digital_names = &scope_digital_channel_names_8, |
211 | ||
4b25cbff UH |
212 | .coupling_options = &coupling_options, |
213 | .trigger_sources = &trigger_sources_4ch, | |
7048bb1f SA |
214 | |
215 | .num_xdivs = 10, | |
216 | .num_ydivs = 8, | |
217 | }, | |
218 | { | |
219 | .model_id = {"701307", "701308", "701310", "701311", | |
d9251a2c | 220 | "701312", "701313", NULL}, |
7048bb1f | 221 | .model_name = {"DL9040", "DL9040L", "DL9140", "DL9140L", |
d9251a2c | 222 | "DL9240", "DL9240L", NULL}, |
7048bb1f SA |
223 | .analog_channels = 4, |
224 | .digital_channels = 0, | |
225 | .pods = 0, | |
226 | ||
227 | .analog_names = &scope_analog_channel_names, | |
228 | .digital_names = NULL, | |
229 | ||
4b25cbff UH |
230 | .coupling_options = &coupling_options, |
231 | .trigger_sources = &trigger_sources_4ch, | |
7048bb1f SA |
232 | |
233 | .num_xdivs = 10, | |
234 | .num_ydivs = 8, | |
235 | }, | |
236 | { | |
237 | .model_id = {"701320", "701321", NULL}, | |
238 | .model_name = {"DL9505L", "DL9510L", NULL}, | |
239 | .analog_channels = 4, | |
240 | .digital_channels = 16, | |
241 | .pods = 4, | |
242 | ||
243 | .analog_names = &scope_analog_channel_names, | |
244 | .digital_names = &scope_digital_channel_names_32, | |
245 | ||
4b25cbff UH |
246 | .coupling_options = &coupling_options, |
247 | .trigger_sources = &trigger_sources_4ch, | |
7048bb1f SA |
248 | |
249 | .num_xdivs = 10, | |
250 | .num_ydivs = 8, | |
251 | }, | |
252 | { | |
253 | .model_id = {"701330", "701331", NULL}, | |
254 | .model_name = {"DL9705L", "DL9710L", NULL}, | |
255 | .analog_channels = 4, | |
256 | .digital_channels = 32, | |
257 | .pods = 4, | |
258 | ||
259 | .analog_names = &scope_analog_channel_names, | |
260 | .digital_names = &scope_digital_channel_names_32, | |
8ab929d6 | 261 | |
4b25cbff UH |
262 | .coupling_options = &coupling_options, |
263 | .trigger_sources = &trigger_sources_4ch, | |
8ab929d6 SA |
264 | |
265 | .num_xdivs = 10, | |
266 | .num_ydivs = 8, | |
267 | }, | |
268 | }; | |
269 | ||
270 | /** | |
271 | * Prints out the state of the device as we currently know it. | |
272 | * | |
273 | * @param config This is the scope configuration. | |
274 | * @param state The current scope state to print. | |
275 | */ | |
329733d9 | 276 | static void scope_state_dump(const struct scope_config *config, |
8ab929d6 SA |
277 | struct scope_state *state) |
278 | { | |
279 | unsigned int i; | |
280 | char *tmp; | |
281 | ||
a9308652 | 282 | for (i = 0; i < config->analog_channels; i++) { |
f3c60fb6 SA |
283 | tmp = sr_voltage_string(dlm_vdivs[state->analog_states[i].vdiv][0], |
284 | dlm_vdivs[state->analog_states[i].vdiv][1]); | |
a9308652 | 285 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
ac10a927 SA |
286 | i + 1, state->analog_states[i].state ? "On" : "Off", |
287 | (*config->coupling_options)[state->analog_states[i].coupling], | |
288 | tmp, state->analog_states[i].vertical_offset); | |
8ab929d6 SA |
289 | } |
290 | ||
a9308652 | 291 | for (i = 0; i < config->digital_channels; i++) { |
8ab929d6 | 292 | sr_info("State of digital channel %d -> %s", i, |
ac10a927 | 293 | state->digital_states[i] ? "On" : "Off"); |
8ab929d6 SA |
294 | } |
295 | ||
a9308652 | 296 | for (i = 0; i < config->pods; i++) { |
8ab929d6 | 297 | sr_info("State of digital POD %d -> %s", i, |
ac10a927 | 298 | state->pod_states[i] ? "On" : "Off"); |
8ab929d6 SA |
299 | } |
300 | ||
6984cfb2 SA |
301 | tmp = sr_period_string(dlm_timebases[state->timebase][0], |
302 | dlm_timebases[state->timebase][1]); | |
8ab929d6 SA |
303 | sr_info("Current timebase: %s", tmp); |
304 | g_free(tmp); | |
305 | ||
306 | tmp = sr_samplerate_string(state->sample_rate); | |
307 | sr_info("Current samplerate: %s", tmp); | |
308 | g_free(tmp); | |
309 | ||
af3487ec | 310 | sr_info("Current samples per acquisition (i.e. frame): %d", |
ac10a927 | 311 | state->samples_per_frame); |
af3487ec | 312 | |
8ab929d6 | 313 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
ac10a927 | 314 | (*config->trigger_sources)[state->trigger_source], |
f3c60fb6 | 315 | dlm_trigger_slopes[state->trigger_slope], |
ac10a927 | 316 | state->horiz_triggerpos); |
8ab929d6 SA |
317 | } |
318 | ||
319 | /** | |
320 | * Searches through an array of strings and returns the index to the | |
321 | * array where a given string is located. | |
322 | * | |
323 | * @param value The string to search for. | |
324 | * @param array The array of strings. | |
325 | * @param result The index at which value is located in array. -1 on error. | |
326 | * | |
327 | * @return SR_ERR when value couldn't be found, SR_OK otherwise. | |
328 | */ | |
329 | static int array_option_get(char *value, const char *(*array)[], | |
330 | int *result) | |
331 | { | |
332 | unsigned int i; | |
333 | ||
334 | *result = -1; | |
335 | ||
a9308652 | 336 | for (i = 0; (*array)[i]; i++) |
8ab929d6 SA |
337 | if (!g_strcmp0(value, (*array)[i])) { |
338 | *result = i; | |
339 | break; | |
340 | } | |
341 | ||
342 | if (*result == -1) | |
343 | return SR_ERR; | |
344 | ||
345 | return SR_OK; | |
346 | } | |
347 | ||
348 | /** | |
349 | * This function takes a value of the form "2.000E-03", converts it to a | |
350 | * significand / factor pair and returns the index of an array where | |
351 | * a matching pair was found. | |
352 | * | |
353 | * It's a bit convoluted because of floating-point issues. The value "10.00E-09" | |
354 | * is parsed by g_ascii_strtod() as 0.000000009999999939, for example. | |
355 | * Therefore it's easier to break the number up into two strings and handle | |
356 | * them separately. | |
357 | * | |
358 | * @param value The string to be parsed. | |
359 | * @param array The array of s/f pairs. | |
360 | * @param array_len The number of pairs in the array. | |
361 | * @param result The index at which a matching pair was found. | |
362 | * | |
363 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
364 | */ | |
365 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
366 | int array_len, int *result) | |
367 | { | |
10c4ca9c SA |
368 | int i, e; |
369 | size_t pos; | |
8ab929d6 SA |
370 | uint64_t f; |
371 | float s; | |
ac10a927 | 372 | unsigned int s_int; |
8ab929d6 SA |
373 | gchar ss[10], es[10]; |
374 | ||
375 | memset(ss, 0, sizeof(ss)); | |
376 | memset(es, 0, sizeof(es)); | |
377 | ||
b18b8a92 | 378 | /* Get index of the separating 'E' character and break up the string. */ |
10c4ca9c | 379 | pos = strcspn(value, "E"); |
b18b8a92 SA |
380 | |
381 | strncpy(ss, value, pos); | |
382 | strncpy(es, &(value[pos+1]), 3); | |
8ab929d6 SA |
383 | |
384 | if (sr_atof_ascii(ss, &s) != SR_OK) | |
385 | return SR_ERR; | |
b18b8a92 | 386 | if (sr_atoi(es, &e) != SR_OK) |
8ab929d6 SA |
387 | return SR_ERR; |
388 | ||
389 | /* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */ | |
b18b8a92 | 390 | f = pow(10, abs(e)); |
8ab929d6 | 391 | |
a9308652 UH |
392 | /* |
393 | * Adjust the significand/factor pair to make sure | |
8ab929d6 SA |
394 | * that f is a multiple of 1000. |
395 | */ | |
b18b8a92 SA |
396 | while ((int)fmod(log10(f), 3) > 0) { |
397 | s *= 10; | |
398 | ||
399 | if (e < 0) | |
400 | f *= 10; | |
401 | else | |
402 | f /= 10; | |
403 | } | |
8ab929d6 SA |
404 | |
405 | /* Truncate s to circumvent rounding errors. */ | |
ac10a927 | 406 | s_int = (unsigned int)s; |
8ab929d6 SA |
407 | |
408 | for (i = 0; i < array_len; i++) { | |
b18b8a92 | 409 | if ((s_int == array[i][0]) && (f == array[i][1])) { |
8ab929d6 SA |
410 | *result = i; |
411 | return SR_OK; | |
412 | } | |
413 | } | |
414 | ||
415 | return SR_ERR; | |
416 | } | |
417 | ||
418 | /** | |
419 | * Obtains information about all analog channels from the oscilloscope. | |
420 | * The internal state information is updated accordingly. | |
421 | * | |
c65a021c | 422 | * @param sdi The device instance. |
8ab929d6 SA |
423 | * @param config The device's device configuration. |
424 | * @param state The device's state information. | |
425 | * | |
426 | * @return SR_ERR on error, SR_OK otherwise. | |
427 | */ | |
c65a021c | 428 | static int analog_channel_state_get(const struct sr_dev_inst *sdi, |
329733d9 | 429 | const struct scope_config *config, |
ac10a927 | 430 | struct scope_state *state) |
8ab929d6 | 431 | { |
c65a021c | 432 | struct sr_scpi_dev_inst *scpi; |
8ab929d6 | 433 | int i, j; |
c65a021c SA |
434 | GSList *l; |
435 | struct sr_channel *ch; | |
8ab929d6 SA |
436 | gchar *response; |
437 | ||
c65a021c SA |
438 | scpi = sdi->conn; |
439 | ||
a9308652 | 440 | for (i = 0; i < config->analog_channels; i++) { |
8ab929d6 SA |
441 | |
442 | if (dlm_analog_chan_state_get(scpi, i + 1, | |
ac10a927 | 443 | &state->analog_states[i].state) != SR_OK) |
8ab929d6 SA |
444 | return SR_ERR; |
445 | ||
c65a021c SA |
446 | for (l = sdi->channels; l; l = l->next) { |
447 | ch = l->data; | |
448 | if (ch->index == i) { | |
449 | ch->enabled = state->analog_states[i].state; | |
450 | break; | |
451 | } | |
452 | } | |
453 | ||
8ab929d6 SA |
454 | if (dlm_analog_chan_vdiv_get(scpi, i + 1, &response) != SR_OK) |
455 | return SR_ERR; | |
456 | ||
f3c60fb6 | 457 | if (array_float_get(response, dlm_vdivs, ARRAY_SIZE(dlm_vdivs), |
ac10a927 | 458 | &j) != SR_OK) { |
8ab929d6 SA |
459 | g_free(response); |
460 | return SR_ERR; | |
461 | } | |
462 | ||
463 | g_free(response); | |
464 | state->analog_states[i].vdiv = j; | |
465 | ||
466 | if (dlm_analog_chan_voffs_get(scpi, i + 1, | |
ac10a927 | 467 | &state->analog_states[i].vertical_offset) != SR_OK) |
8ab929d6 SA |
468 | return SR_ERR; |
469 | ||
470 | if (dlm_analog_chan_wrange_get(scpi, i + 1, | |
ac10a927 | 471 | &state->analog_states[i].waveform_range) != SR_OK) |
8ab929d6 SA |
472 | return SR_ERR; |
473 | ||
474 | if (dlm_analog_chan_woffs_get(scpi, i + 1, | |
ac10a927 | 475 | &state->analog_states[i].waveform_offset) != SR_OK) |
8ab929d6 SA |
476 | return SR_ERR; |
477 | ||
478 | if (dlm_analog_chan_coupl_get(scpi, i + 1, &response) != SR_OK) { | |
479 | g_free(response); | |
480 | return SR_ERR; | |
481 | } | |
482 | ||
483 | if (array_option_get(response, config->coupling_options, | |
ac10a927 | 484 | &state->analog_states[i].coupling) != SR_OK) { |
8ab929d6 SA |
485 | g_free(response); |
486 | return SR_ERR; | |
487 | } | |
488 | g_free(response); | |
489 | } | |
490 | ||
491 | return SR_OK; | |
492 | } | |
493 | ||
494 | /** | |
495 | * Obtains information about all digital channels from the oscilloscope. | |
496 | * The internal state information is updated accordingly. | |
497 | * | |
c65a021c | 498 | * @param sdi The device instance. |
8ab929d6 SA |
499 | * @param config The device's device configuration. |
500 | * @param state The device's state information. | |
501 | * | |
502 | * @return SR_ERR on error, SR_OK otherwise. | |
503 | */ | |
c65a021c | 504 | static int digital_channel_state_get(const struct sr_dev_inst *sdi, |
329733d9 | 505 | const struct scope_config *config, |
ac10a927 | 506 | struct scope_state *state) |
8ab929d6 | 507 | { |
c65a021c SA |
508 | struct sr_scpi_dev_inst *scpi; |
509 | int i; | |
510 | GSList *l; | |
511 | struct sr_channel *ch; | |
512 | ||
513 | scpi = sdi->conn; | |
8ab929d6 | 514 | |
a9308652 UH |
515 | if (!config->digital_channels) { |
516 | sr_warn("Tried obtaining digital channel states on a " \ | |
517 | "model without digital inputs."); | |
518 | return SR_OK; | |
519 | } | |
8ab929d6 | 520 | |
a9308652 | 521 | for (i = 0; i < config->digital_channels; i++) { |
8ab929d6 SA |
522 | if (dlm_digital_chan_state_get(scpi, i + 1, |
523 | &state->digital_states[i]) != SR_OK) { | |
524 | return SR_ERR; | |
525 | } | |
c65a021c SA |
526 | |
527 | for (l = sdi->channels; l; l = l->next) { | |
528 | ch = l->data; | |
529 | if (ch->index == i + DLM_DIG_CHAN_INDEX_OFFS) { | |
530 | ch->enabled = state->digital_states[i]; | |
531 | break; | |
532 | } | |
533 | } | |
8ab929d6 SA |
534 | } |
535 | ||
a9308652 | 536 | if (!config->pods) { |
8ab929d6 SA |
537 | sr_warn("Tried obtaining pod states on a model without pods."); |
538 | return SR_OK; | |
539 | } | |
540 | ||
a9308652 | 541 | for (i = 0; i < config->pods; i++) { |
8ab929d6 SA |
542 | if (dlm_digital_pod_state_get(scpi, i + 'A', |
543 | &state->pod_states[i]) != SR_OK) | |
544 | return SR_ERR; | |
545 | } | |
546 | ||
547 | return SR_OK; | |
548 | } | |
549 | ||
c65a021c SA |
550 | SR_PRIV int dlm_channel_state_set(const struct sr_dev_inst *sdi, |
551 | const int ch_index, gboolean ch_state) | |
552 | { | |
553 | GSList *l; | |
554 | struct sr_channel *ch; | |
555 | struct dev_context *devc = NULL; | |
556 | struct scope_state *state; | |
557 | const struct scope_config *model = NULL; | |
558 | struct sr_scpi_dev_inst *scpi; | |
559 | gboolean chan_found; | |
560 | gboolean *pod_enabled; | |
561 | int i, result; | |
562 | ||
563 | result = SR_OK; | |
564 | ||
565 | scpi = sdi->conn; | |
566 | devc = sdi->priv; | |
567 | state = devc->model_state; | |
568 | model = devc->model_config; | |
569 | chan_found = FALSE; | |
570 | ||
571 | pod_enabled = g_malloc0(sizeof(gboolean) * model->pods); | |
572 | ||
573 | for (l = sdi->channels; l; l = l->next) { | |
574 | ch = l->data; | |
575 | ||
576 | switch (ch->type) { | |
577 | case SR_CHANNEL_ANALOG: | |
578 | if (ch->index == ch_index) { | |
579 | if (dlm_analog_chan_state_set(scpi, ch->index + 1, ch_state) != SR_OK) { | |
580 | result = SR_ERR; | |
581 | break; | |
582 | } | |
583 | ||
584 | ch->enabled = ch_state; | |
585 | state->analog_states[ch->index].state = ch_state; | |
586 | chan_found = TRUE; | |
587 | break; | |
588 | } | |
589 | break; | |
590 | case SR_CHANNEL_LOGIC: | |
591 | i = ch->index - DLM_DIG_CHAN_INDEX_OFFS; | |
592 | ||
593 | if (ch->index == ch_index) { | |
594 | if (dlm_digital_chan_state_set(scpi, i + 1, ch_state) != SR_OK) { | |
595 | result = SR_ERR; | |
596 | break; | |
597 | } | |
598 | ||
a9308652 UH |
599 | ch->enabled = ch_state; |
600 | state->digital_states[i] = ch_state; | |
601 | chan_found = TRUE; | |
c65a021c | 602 | |
a9308652 UH |
603 | /* The corresponding pod has to be enabled also. */ |
604 | pod_enabled[i / 8] |= ch->enabled; | |
605 | } else { | |
c65a021c SA |
606 | /* Also check all other channels. Maybe we can disable a pod. */ |
607 | pod_enabled[i / 8] |= ch->enabled; | |
a9308652 | 608 | } |
c65a021c SA |
609 | break; |
610 | default: | |
611 | result = SR_ERR_NA; | |
612 | } | |
613 | } | |
614 | ||
a9308652 | 615 | for (i = 0; i < model->pods; i++) { |
c65a021c SA |
616 | if (state->pod_states[i] == pod_enabled[i]) |
617 | continue; | |
618 | ||
619 | if (dlm_digital_pod_state_set(scpi, i + 1, pod_enabled[i]) != SR_OK) { | |
620 | result = SR_ERR; | |
621 | break; | |
622 | } | |
623 | ||
624 | state->pod_states[i] = pod_enabled[i]; | |
625 | } | |
626 | ||
627 | g_free(pod_enabled); | |
628 | ||
629 | if ((result == SR_OK) && !chan_found) | |
630 | result = SR_ERR_BUG; | |
631 | ||
632 | return result; | |
633 | } | |
634 | ||
8ab929d6 SA |
635 | /** |
636 | * Obtains information about the sample rate from the oscilloscope. | |
637 | * The internal state information is updated accordingly. | |
638 | * | |
639 | * @param sdi The device instance. | |
640 | * | |
641 | * @return SR_ERR on error, SR_OK otherwise. | |
642 | */ | |
643 | SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi) | |
644 | { | |
645 | struct dev_context *devc; | |
646 | struct scope_state *state; | |
647 | float tmp_float; | |
648 | ||
649 | devc = sdi->priv; | |
650 | state = devc->model_state; | |
651 | ||
a9308652 UH |
652 | /* |
653 | * No need to find an active channel to query the sample rate: | |
8ab929d6 SA |
654 | * querying any channel will do, so we use channel 1 all the time. |
655 | */ | |
656 | if (dlm_analog_chan_srate_get(sdi->conn, 1, &tmp_float) != SR_OK) | |
657 | return SR_ERR; | |
658 | ||
659 | state->sample_rate = tmp_float; | |
660 | ||
661 | return SR_OK; | |
662 | } | |
663 | ||
664 | /** | |
665 | * Obtains information about the current device state from the oscilloscope, | |
666 | * including all analog and digital channel configurations. | |
667 | * The internal state information is updated accordingly. | |
668 | * | |
669 | * @param sdi The device instance. | |
670 | * | |
671 | * @return SR_ERR on error, SR_OK otherwise. | |
672 | */ | |
673 | SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi) | |
674 | { | |
675 | struct dev_context *devc; | |
676 | struct scope_state *state; | |
329733d9 | 677 | const struct scope_config *config; |
8ab929d6 SA |
678 | float tmp_float; |
679 | gchar *response; | |
680 | int i; | |
681 | ||
682 | devc = sdi->priv; | |
683 | config = devc->model_config; | |
684 | state = devc->model_state; | |
685 | ||
c65a021c | 686 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
8ab929d6 SA |
687 | return SR_ERR; |
688 | ||
c65a021c | 689 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
8ab929d6 SA |
690 | return SR_ERR; |
691 | ||
692 | if (dlm_timebase_get(sdi->conn, &response) != SR_OK) | |
693 | return SR_ERR; | |
694 | ||
f3c60fb6 SA |
695 | if (array_float_get(response, dlm_timebases, |
696 | ARRAY_SIZE(dlm_timebases), &i) != SR_OK) { | |
8ab929d6 SA |
697 | g_free(response); |
698 | return SR_ERR; | |
699 | } | |
700 | ||
701 | g_free(response); | |
702 | state->timebase = i; | |
703 | ||
704 | if (dlm_horiz_trigger_pos_get(sdi->conn, &tmp_float) != SR_OK) | |
705 | return SR_ERR; | |
706 | ||
707 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
708 | state->horiz_triggerpos = tmp_float / | |
f3c60fb6 SA |
709 | (((double)dlm_timebases[state->timebase][0] / |
710 | dlm_timebases[state->timebase][1]) * config->num_xdivs); | |
8ab929d6 SA |
711 | state->horiz_triggerpos -= 0.5; |
712 | state->horiz_triggerpos *= -1; | |
713 | ||
714 | if (dlm_trigger_source_get(sdi->conn, &response) != SR_OK) { | |
715 | g_free(response); | |
716 | return SR_ERR; | |
717 | } | |
718 | ||
719 | if (array_option_get(response, config->trigger_sources, | |
ac10a927 | 720 | &state->trigger_source) != SR_OK) { |
8ab929d6 SA |
721 | g_free(response); |
722 | return SR_ERR; | |
723 | } | |
724 | ||
725 | g_free(response); | |
726 | ||
727 | if (dlm_trigger_slope_get(sdi->conn, &i) != SR_OK) | |
728 | return SR_ERR; | |
729 | ||
730 | state->trigger_slope = i; | |
731 | ||
af3487ec SA |
732 | if (dlm_acq_length_get(sdi->conn, &state->samples_per_frame) != SR_OK) { |
733 | sr_err("Failed to query acquisition length."); | |
734 | return SR_ERR; | |
735 | } | |
736 | ||
8ab929d6 SA |
737 | dlm_sample_rate_query(sdi); |
738 | ||
739 | scope_state_dump(config, state); | |
740 | ||
741 | return SR_OK; | |
742 | } | |
743 | ||
744 | /** | |
745 | * Creates a new device state structure. | |
746 | * | |
747 | * @param config The device configuration to use. | |
748 | * | |
ac10a927 | 749 | * @return The newly allocated scope_state struct. |
8ab929d6 | 750 | */ |
329733d9 | 751 | static struct scope_state *dlm_scope_state_new(const struct scope_config *config) |
8ab929d6 SA |
752 | { |
753 | struct scope_state *state; | |
754 | ||
ac10a927 | 755 | state = g_malloc0(sizeof(struct scope_state)); |
8ab929d6 SA |
756 | |
757 | state->analog_states = g_malloc0(config->analog_channels * | |
ac10a927 | 758 | sizeof(struct analog_channel_state)); |
8ab929d6 SA |
759 | |
760 | state->digital_states = g_malloc0(config->digital_channels * | |
ac10a927 | 761 | sizeof(gboolean)); |
8ab929d6 SA |
762 | |
763 | state->pod_states = g_malloc0(config->pods * sizeof(gboolean)); | |
764 | ||
765 | return state; | |
766 | } | |
767 | ||
768 | /** | |
769 | * Frees the memory that was allocated by a call to dlm_scope_state_new(). | |
770 | * | |
771 | * @param state The device state structure whose memory is to be freed. | |
772 | */ | |
773 | SR_PRIV void dlm_scope_state_destroy(struct scope_state *state) | |
774 | { | |
775 | g_free(state->analog_states); | |
776 | g_free(state->digital_states); | |
777 | g_free(state->pod_states); | |
778 | g_free(state); | |
779 | } | |
780 | ||
781 | SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index) | |
782 | { | |
783 | unsigned int i, j; | |
784 | ||
785 | *model_index = -1; | |
786 | *model_name = NULL; | |
787 | ||
788 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { | |
789 | for (j = 0; scope_models[i].model_id[j]; j++) { | |
790 | if (!strcmp(model_id, scope_models[i].model_id[j])) { | |
791 | *model_index = i; | |
792 | *model_name = (char *)scope_models[i].model_name[j]; | |
793 | break; | |
794 | } | |
795 | } | |
796 | if (*model_index != -1) | |
797 | break; | |
798 | } | |
799 | ||
800 | if (*model_index == -1) { | |
801 | sr_err("Found unsupported DLM device with model identifier %s.", | |
ac10a927 | 802 | model_id); |
8ab929d6 SA |
803 | return SR_ERR_NA; |
804 | } | |
805 | ||
806 | return SR_OK; | |
807 | } | |
808 | ||
809 | /** | |
810 | * Attempts to initialize a DL/DLM device and prepares internal structures | |
811 | * if a suitable device was found. | |
812 | * | |
813 | * @param sdi The device instance. | |
814 | */ | |
815 | SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index) | |
816 | { | |
817 | char tmp[25]; | |
818 | int i; | |
819 | struct sr_channel *ch; | |
820 | struct dev_context *devc; | |
821 | ||
822 | devc = sdi->priv; | |
823 | ||
824 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
ac10a927 | 825 | scope_models[model_index].analog_channels); |
8ab929d6 SA |
826 | |
827 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
f77afcf0 | 828 | scope_models[model_index].pods); |
8ab929d6 | 829 | |
6fd78a9f | 830 | /* Add analog channels, each in its own group. */ |
8ab929d6 | 831 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 832 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 833 | (*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
834 | |
835 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
836 | ||
837 | devc->analog_groups[i]->name = g_strdup( | |
ac10a927 | 838 | (char *)(*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
839 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); |
840 | ||
841 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
ac10a927 | 842 | devc->analog_groups[i]); |
8ab929d6 SA |
843 | } |
844 | ||
845 | /* Add digital channel groups. */ | |
a9308652 | 846 | for (i = 0; i < scope_models[model_index].pods; i++) { |
8ab929d6 SA |
847 | g_snprintf(tmp, sizeof(tmp), "POD%d", i); |
848 | ||
849 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
850 | if (!devc->digital_groups[i]) | |
851 | return SR_ERR_MALLOC; | |
852 | ||
853 | devc->digital_groups[i]->name = g_strdup(tmp); | |
854 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
855 | devc->digital_groups[i]); | |
856 | } | |
857 | ||
858 | /* Add digital channels. */ | |
859 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { | |
6fd78a9f SA |
860 | ch = sr_channel_new(sdi, DLM_DIG_CHAN_INDEX_OFFS + i, |
861 | SR_CHANNEL_LOGIC, TRUE, | |
c368e6f3 | 862 | (*scope_models[model_index].digital_names)[i]); |
8ab929d6 SA |
863 | |
864 | devc->digital_groups[i / 8]->channels = g_slist_append( | |
ac10a927 | 865 | devc->digital_groups[i / 8]->channels, ch); |
8ab929d6 SA |
866 | } |
867 | devc->model_config = &scope_models[model_index]; | |
868 | devc->frame_limit = 0; | |
869 | ||
870 | if (!(devc->model_state = dlm_scope_state_new(devc->model_config))) | |
871 | return SR_ERR_MALLOC; | |
872 | ||
873 | /* Disable non-standard response behavior. */ | |
874 | if (dlm_response_headers_set(sdi->conn, FALSE) != SR_OK) | |
875 | return SR_ERR; | |
876 | ||
877 | return SR_OK; | |
878 | } | |
879 | ||
af3487ec | 880 | SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi) |
8ab929d6 | 881 | { |
af3487ec SA |
882 | struct dev_context *devc; |
883 | struct sr_channel *ch; | |
884 | int result; | |
8ab929d6 | 885 | |
af3487ec SA |
886 | devc = sdi->priv; |
887 | ch = devc->current_channel->data; | |
8ab929d6 | 888 | |
af3487ec SA |
889 | switch (ch->type) { |
890 | case SR_CHANNEL_ANALOG: | |
891 | result = dlm_analog_data_get(sdi->conn, ch->index + 1); | |
892 | break; | |
893 | case SR_CHANNEL_LOGIC: | |
894 | result = dlm_digital_data_get(sdi->conn); | |
895 | break; | |
896 | default: | |
897 | sr_err("Invalid channel type encountered (%d).", | |
898 | ch->type); | |
899 | result = SR_ERR; | |
8ab929d6 SA |
900 | } |
901 | ||
af3487ec SA |
902 | if (result == SR_OK) |
903 | devc->data_pending = TRUE; | |
904 | else | |
905 | devc->data_pending = FALSE; | |
906 | ||
907 | return result; | |
8ab929d6 SA |
908 | } |
909 | ||
910 | /** | |
911 | * Reads and removes the block data header from a given data input. | |
912 | * Format is #ndddd... with n being the number of decimal digits d. | |
913 | * The string dddd... contains the decimal-encoded length of the data. | |
914 | * Example: #9000000013 would yield a length of 13 bytes. | |
915 | * | |
916 | * @param data The input data. | |
917 | * @param len The determined input data length. | |
918 | */ | |
919 | static int dlm_block_data_header_process(GArray *data, int *len) | |
920 | { | |
921 | int i, n; | |
922 | gchar s[20]; | |
923 | ||
924 | if (g_array_index(data, gchar, 0) != '#') | |
925 | return SR_ERR; | |
926 | ||
927 | n = (uint8_t)(g_array_index(data, gchar, 1) - '0'); | |
928 | ||
929 | for (i = 0; i < n; i++) | |
930 | s[i] = g_array_index(data, gchar, 2 + i); | |
931 | s[i] = 0; | |
932 | ||
933 | if (sr_atoi(s, len) != SR_OK) | |
934 | return SR_ERR; | |
935 | ||
936 | g_array_remove_range(data, 0, 2 + n); | |
937 | ||
938 | return SR_OK; | |
939 | } | |
940 | ||
941 | /** | |
942 | * Turns raw sample data into voltages and sends them off to the session bus. | |
943 | * | |
944 | * @param data The raw sample data. | |
8ab929d6 SA |
945 | * @ch_state Pointer to the state of the channel whose data we're processing. |
946 | * @sdi The device instance. | |
947 | * | |
948 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
949 | */ | |
af3487ec | 950 | static int dlm_analog_samples_send(GArray *data, |
ac10a927 SA |
951 | struct analog_channel_state *ch_state, |
952 | struct sr_dev_inst *sdi) | |
8ab929d6 | 953 | { |
af3487ec | 954 | uint32_t i, samples; |
8ab929d6 SA |
955 | float voltage, range, offset; |
956 | GArray *float_data; | |
957 | struct dev_context *devc; | |
af3487ec | 958 | struct scope_state *model_state; |
8ab929d6 | 959 | struct sr_channel *ch; |
44040ea6 UH |
960 | struct sr_datafeed_analog analog; |
961 | struct sr_analog_encoding encoding; | |
962 | struct sr_analog_meaning meaning; | |
963 | struct sr_analog_spec spec; | |
8ab929d6 SA |
964 | struct sr_datafeed_packet packet; |
965 | ||
af3487ec SA |
966 | devc = sdi->priv; |
967 | model_state = devc->model_state; | |
968 | samples = model_state->samples_per_frame; | |
969 | ch = devc->current_channel->data; | |
970 | ||
8ab929d6 SA |
971 | if (data->len < samples * sizeof(uint8_t)) { |
972 | sr_err("Truncated waveform data packet received."); | |
973 | return SR_ERR; | |
974 | } | |
975 | ||
a9308652 | 976 | range = ch_state->waveform_range; |
8ab929d6 SA |
977 | offset = ch_state->waveform_offset; |
978 | ||
a9308652 UH |
979 | /* |
980 | * Convert byte sample to voltage according to | |
8ab929d6 SA |
981 | * page 269 of the Communication Interface User's Manual. |
982 | */ | |
983 | float_data = g_array_new(FALSE, FALSE, sizeof(float)); | |
984 | for (i = 0; i < samples; i++) { | |
985 | voltage = (float)g_array_index(data, int8_t, i); | |
986 | voltage = (range * voltage / | |
ac10a927 | 987 | DLM_DIVISION_FOR_BYTE_FORMAT) + offset; |
8ab929d6 SA |
988 | g_array_append_val(float_data, voltage); |
989 | } | |
990 | ||
7dcaddd3 UH |
991 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
992 | sr_analog_init(&analog, &encoding, &meaning, &spec, 2); | |
44040ea6 | 993 | analog.meaning->channels = g_slist_append(NULL, ch); |
8ab929d6 SA |
994 | analog.num_samples = float_data->len; |
995 | analog.data = (float*)float_data->data; | |
44040ea6 UH |
996 | analog.meaning->mq = SR_MQ_VOLTAGE; |
997 | analog.meaning->unit = SR_UNIT_VOLT; | |
998 | analog.meaning->mqflags = 0; | |
999 | packet.type = SR_DF_ANALOG; | |
8ab929d6 SA |
1000 | packet.payload = &analog; |
1001 | sr_session_send(sdi, &packet); | |
44040ea6 | 1002 | g_slist_free(analog.meaning->channels); |
8ab929d6 SA |
1003 | |
1004 | g_array_free(float_data, TRUE); | |
1005 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
1006 | ||
1007 | return SR_OK; | |
1008 | } | |
1009 | ||
1010 | /** | |
1011 | * Sends logic sample data off to the session bus. | |
1012 | * | |
1013 | * @param data The raw sample data. | |
8ab929d6 SA |
1014 | * @ch_state Pointer to the state of the channel whose data we're processing. |
1015 | * @sdi The device instance. | |
1016 | * | |
1017 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
1018 | */ | |
af3487ec | 1019 | static int dlm_digital_samples_send(GArray *data, |
ac10a927 | 1020 | struct sr_dev_inst *sdi) |
8ab929d6 | 1021 | { |
af3487ec SA |
1022 | struct dev_context *devc; |
1023 | struct scope_state *model_state; | |
1024 | uint32_t samples; | |
8ab929d6 SA |
1025 | struct sr_datafeed_logic logic; |
1026 | struct sr_datafeed_packet packet; | |
1027 | ||
af3487ec SA |
1028 | devc = sdi->priv; |
1029 | model_state = devc->model_state; | |
1030 | samples = model_state->samples_per_frame; | |
1031 | ||
8ab929d6 SA |
1032 | if (data->len < samples * sizeof(uint8_t)) { |
1033 | sr_err("Truncated waveform data packet received."); | |
1034 | return SR_ERR; | |
1035 | } | |
1036 | ||
1037 | logic.length = samples; | |
1038 | logic.unitsize = 1; | |
1039 | logic.data = data->data; | |
1040 | packet.type = SR_DF_LOGIC; | |
1041 | packet.payload = &logic; | |
1042 | sr_session_send(sdi, &packet); | |
1043 | ||
1044 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
1045 | ||
1046 | return SR_OK; | |
1047 | } | |
1048 | ||
1049 | /** | |
1050 | * Attempts to query sample data from the oscilloscope in order to send it | |
1051 | * to the session bus for further processing. | |
1052 | * | |
1053 | * @param fd The file descriptor used as the event source. | |
1054 | * @param revents The received events. | |
1055 | * @param cb_data Callback data, in this case our device instance. | |
1056 | * | |
1057 | * @return TRUE in case of success or a recoverable error, | |
a9308652 | 1058 | * FALSE when a fatal error was encountered. |
8ab929d6 SA |
1059 | */ |
1060 | SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data) | |
1061 | { | |
8ab929d6 SA |
1062 | struct sr_dev_inst *sdi; |
1063 | struct scope_state *model_state; | |
1064 | struct dev_context *devc; | |
af3487ec | 1065 | struct sr_channel *ch; |
8ab929d6 | 1066 | struct sr_datafeed_packet packet; |
af3487ec SA |
1067 | int chunk_len, num_bytes; |
1068 | static GArray *data = NULL; | |
8ab929d6 SA |
1069 | |
1070 | (void)fd; | |
1071 | (void)revents; | |
1072 | ||
1073 | if (!(sdi = cb_data)) | |
1074 | return FALSE; | |
1075 | ||
1076 | if (!(devc = sdi->priv)) | |
1077 | return FALSE; | |
1078 | ||
1079 | if (!(model_state = (struct scope_state*)devc->model_state)) | |
1080 | return FALSE; | |
1081 | ||
af3487ec SA |
1082 | /* Are we waiting for a response from the device? */ |
1083 | if (!devc->data_pending) | |
8ab929d6 | 1084 | return TRUE; |
af3487ec SA |
1085 | |
1086 | /* Check if a new query response is coming our way. */ | |
1087 | if (!data) { | |
1088 | if (sr_scpi_read_begin(sdi->conn) == SR_OK) | |
1089 | /* The 16 here accounts for the header and EOL. */ | |
1090 | data = g_array_sized_new(FALSE, FALSE, sizeof(uint8_t), | |
ac10a927 | 1091 | 16 + model_state->samples_per_frame); |
af3487ec SA |
1092 | else |
1093 | return TRUE; | |
8ab929d6 SA |
1094 | } |
1095 | ||
af3487ec SA |
1096 | /* Store incoming data. */ |
1097 | chunk_len = sr_scpi_read_data(sdi->conn, devc->receive_buffer, | |
ac10a927 | 1098 | RECEIVE_BUFFER_SIZE); |
af3487ec SA |
1099 | if (chunk_len < 0) { |
1100 | sr_err("Error while reading data: %d", chunk_len); | |
1101 | goto fail; | |
1102 | } | |
1103 | g_array_append_vals(data, devc->receive_buffer, chunk_len); | |
8ab929d6 | 1104 | |
af3487ec SA |
1105 | /* Read the entire query response before processing. */ |
1106 | if (!sr_scpi_read_complete(sdi->conn)) | |
1107 | return TRUE; | |
8ab929d6 | 1108 | |
af3487ec SA |
1109 | /* We finished reading and are no longer waiting for data. */ |
1110 | devc->data_pending = FALSE; | |
8ab929d6 | 1111 | |
af3487ec SA |
1112 | /* Signal the beginning of a new frame if this is the first channel. */ |
1113 | if (devc->current_channel == devc->enabled_channels) { | |
1114 | packet.type = SR_DF_FRAME_BEGIN; | |
1115 | sr_session_send(sdi, &packet); | |
1116 | } | |
8ab929d6 | 1117 | |
af3487ec SA |
1118 | if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) { |
1119 | sr_err("Encountered malformed block data header."); | |
1120 | goto fail; | |
1121 | } | |
8ab929d6 | 1122 | |
af3487ec SA |
1123 | if (num_bytes == 0) { |
1124 | sr_warn("Zero-length waveform data packet received. " \ | |
ac10a927 SA |
1125 | "Live mode not supported yet, stopping " \ |
1126 | "acquisition and retrying."); | |
af3487ec SA |
1127 | /* Don't care about return value here. */ |
1128 | dlm_acquisition_stop(sdi->conn); | |
1129 | g_array_free(data, TRUE); | |
0028d5a1 | 1130 | dlm_channel_data_request(sdi); |
af3487ec SA |
1131 | return TRUE; |
1132 | } | |
8ab929d6 | 1133 | |
af3487ec SA |
1134 | ch = devc->current_channel->data; |
1135 | switch (ch->type) { | |
1136 | case SR_CHANNEL_ANALOG: | |
1137 | if (dlm_analog_samples_send(data, | |
1138 | &model_state->analog_states[ch->index], | |
1139 | sdi) != SR_OK) | |
8ab929d6 | 1140 | goto fail; |
af3487ec SA |
1141 | break; |
1142 | case SR_CHANNEL_LOGIC: | |
1143 | if (dlm_digital_samples_send(data, sdi) != SR_OK) | |
1144 | goto fail; | |
1145 | break; | |
1146 | default: | |
1147 | sr_err("Invalid channel type encountered."); | |
1148 | break; | |
1149 | } | |
8ab929d6 | 1150 | |
af3487ec SA |
1151 | g_array_free(data, TRUE); |
1152 | data = NULL; | |
8ab929d6 | 1153 | |
a9308652 UH |
1154 | /* |
1155 | * Signal the end of this frame if this was the last enabled channel | |
af3487ec SA |
1156 | * and set the next enabled channel. Then, request its data. |
1157 | */ | |
1158 | if (!devc->current_channel->next) { | |
1159 | packet.type = SR_DF_FRAME_END; | |
1160 | sr_session_send(sdi, &packet); | |
1161 | devc->current_channel = devc->enabled_channels; | |
1162 | ||
a9308652 UH |
1163 | /* |
1164 | * As of now we only support importing the current acquisition | |
af3487ec SA |
1165 | * data so we're going to stop at this point. |
1166 | */ | |
d2f7c417 | 1167 | sr_dev_acquisition_stop(sdi); |
af3487ec SA |
1168 | return TRUE; |
1169 | } else | |
1170 | devc->current_channel = devc->current_channel->next; | |
8ab929d6 | 1171 | |
af3487ec | 1172 | if (dlm_channel_data_request(sdi) != SR_OK) { |
f3f19d11 | 1173 | sr_err("Failed to request acquisition data."); |
af3487ec | 1174 | goto fail; |
8ab929d6 SA |
1175 | } |
1176 | ||
8ab929d6 SA |
1177 | return TRUE; |
1178 | ||
1179 | fail: | |
af3487ec | 1180 | if (data) { |
8ab929d6 | 1181 | g_array_free(data, TRUE); |
af3487ec SA |
1182 | data = NULL; |
1183 | } | |
8ab929d6 | 1184 | |
af3487ec | 1185 | return FALSE; |
8ab929d6 | 1186 | } |