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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[] = { |
f8195cb2 | 26 | "AC", "DC", "DC50", "GND", |
8ab929d6 SA |
27 | }; |
28 | ||
4b25cbff | 29 | static const char *trigger_sources_2ch[] = { |
f8195cb2 | 30 | "1", "2", "LINE", "EXT", |
8ab929d6 SA |
31 | }; |
32 | ||
33 | /* TODO: Is BITx handled correctly or is Dx required? */ | |
4b25cbff | 34 | static const char *trigger_sources_4ch[] = { |
f8195cb2 UH |
35 | "1", "2", "3", "4", |
36 | "LINE", "EXT", "BIT1", | |
37 | "BIT2", "BIT3", "BIT4", "BIT5", "BIT6", "BIT7", "BIT8", | |
8ab929d6 SA |
38 | }; |
39 | ||
a9308652 | 40 | /* Note: Values must correlate to the trigger_slopes values. */ |
692716f5 | 41 | const char *dlm_trigger_slopes[2] = { |
f8195cb2 | 42 | "r", "f", |
f3c60fb6 SA |
43 | }; |
44 | ||
45 | const uint64_t dlm_timebases[36][2] = { | |
8ab929d6 SA |
46 | /* nanoseconds */ |
47 | { 1, 1000000000 }, | |
48 | { 2, 1000000000 }, | |
49 | { 5, 1000000000 }, | |
50 | { 10, 1000000000 }, | |
51 | { 20, 1000000000 }, | |
52 | { 50, 1000000000 }, | |
53 | { 100, 1000000000 }, | |
54 | { 200, 1000000000 }, | |
55 | { 500, 1000000000 }, | |
56 | /* microseconds */ | |
57 | { 1, 1000000 }, | |
58 | { 2, 1000000 }, | |
59 | { 5, 1000000 }, | |
60 | { 10, 1000000 }, | |
61 | { 20, 1000000 }, | |
62 | { 50, 1000000 }, | |
63 | { 100, 1000000 }, | |
64 | { 200, 1000000 }, | |
65 | { 500, 1000000 }, | |
66 | /* milliseconds */ | |
67 | { 1, 1000 }, | |
68 | { 2, 1000 }, | |
69 | { 5, 1000 }, | |
70 | { 10, 1000 }, | |
71 | { 20, 1000 }, | |
72 | { 50, 1000 }, | |
73 | { 100, 1000 }, | |
74 | { 200, 1000 }, | |
75 | { 500, 1000 }, | |
76 | /* seconds */ | |
77 | { 1, 1 }, | |
78 | { 2, 1 }, | |
79 | { 5, 1 }, | |
80 | { 10, 1 }, | |
81 | { 20, 1 }, | |
82 | { 50, 1 }, | |
83 | { 100, 1 }, | |
84 | { 200, 1 }, | |
85 | { 500, 1 }, | |
86 | }; | |
87 | ||
f3c60fb6 | 88 | const uint64_t dlm_vdivs[17][2] = { |
8ab929d6 SA |
89 | /* millivolts */ |
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 | /* volts */ | |
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 | ||
110 | static const char *scope_analog_channel_names[] = { | |
f8195cb2 | 111 | "1", "2", "3", "4", |
8ab929d6 SA |
112 | }; |
113 | ||
7048bb1f | 114 | static const char *scope_digital_channel_names_8[] = { |
f8195cb2 | 115 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", |
8ab929d6 SA |
116 | }; |
117 | ||
7048bb1f | 118 | static const char *scope_digital_channel_names_32[] = { |
f8195cb2 UH |
119 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", |
120 | "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", | |
121 | "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", | |
122 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
7048bb1f SA |
123 | }; |
124 | ||
329733d9 | 125 | static const struct scope_config scope_models[] = { |
8ab929d6 SA |
126 | { |
127 | .model_id = {"710105", "710115", "710125", NULL}, | |
128 | .model_name = {"DLM2022", "DLM2032", "DLM2052", NULL}, | |
129 | .analog_channels = 2, | |
130 | .digital_channels = 0, | |
131 | .pods = 0, | |
132 | ||
133 | .analog_names = &scope_analog_channel_names, | |
7048bb1f | 134 | .digital_names = &scope_digital_channel_names_8, |
8ab929d6 | 135 | |
4b25cbff | 136 | .coupling_options = &coupling_options, |
692716f5 UH |
137 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
138 | ||
4b25cbff | 139 | .trigger_sources = &trigger_sources_2ch, |
692716f5 | 140 | .num_trigger_sources = ARRAY_SIZE(trigger_sources_2ch), |
8ab929d6 SA |
141 | |
142 | .num_xdivs = 10, | |
143 | .num_ydivs = 8, | |
144 | }, | |
145 | { | |
d9251a2c UH |
146 | .model_id = {"710110", "710120", "710130", NULL}, |
147 | .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL}, | |
8ab929d6 SA |
148 | .analog_channels = 4, |
149 | .digital_channels = 8, | |
150 | .pods = 1, | |
151 | ||
152 | .analog_names = &scope_analog_channel_names, | |
7048bb1f SA |
153 | .digital_names = &scope_digital_channel_names_8, |
154 | ||
4b25cbff | 155 | .coupling_options = &coupling_options, |
692716f5 UH |
156 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
157 | ||
4b25cbff | 158 | .trigger_sources = &trigger_sources_4ch, |
692716f5 | 159 | .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch), |
7048bb1f SA |
160 | |
161 | .num_xdivs = 10, | |
162 | .num_ydivs = 8, | |
163 | }, | |
164 | { | |
165 | .model_id = {"701307", "701308", "701310", "701311", | |
d9251a2c | 166 | "701312", "701313", NULL}, |
7048bb1f | 167 | .model_name = {"DL9040", "DL9040L", "DL9140", "DL9140L", |
d9251a2c | 168 | "DL9240", "DL9240L", NULL}, |
7048bb1f SA |
169 | .analog_channels = 4, |
170 | .digital_channels = 0, | |
171 | .pods = 0, | |
172 | ||
173 | .analog_names = &scope_analog_channel_names, | |
174 | .digital_names = NULL, | |
175 | ||
4b25cbff | 176 | .coupling_options = &coupling_options, |
692716f5 UH |
177 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
178 | ||
4b25cbff | 179 | .trigger_sources = &trigger_sources_4ch, |
692716f5 | 180 | .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch), |
7048bb1f SA |
181 | |
182 | .num_xdivs = 10, | |
183 | .num_ydivs = 8, | |
184 | }, | |
185 | { | |
186 | .model_id = {"701320", "701321", NULL}, | |
187 | .model_name = {"DL9505L", "DL9510L", NULL}, | |
188 | .analog_channels = 4, | |
189 | .digital_channels = 16, | |
190 | .pods = 4, | |
191 | ||
192 | .analog_names = &scope_analog_channel_names, | |
193 | .digital_names = &scope_digital_channel_names_32, | |
194 | ||
4b25cbff | 195 | .coupling_options = &coupling_options, |
692716f5 UH |
196 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
197 | ||
4b25cbff | 198 | .trigger_sources = &trigger_sources_4ch, |
692716f5 | 199 | .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch), |
7048bb1f SA |
200 | |
201 | .num_xdivs = 10, | |
202 | .num_ydivs = 8, | |
203 | }, | |
204 | { | |
205 | .model_id = {"701330", "701331", NULL}, | |
206 | .model_name = {"DL9705L", "DL9710L", NULL}, | |
207 | .analog_channels = 4, | |
208 | .digital_channels = 32, | |
209 | .pods = 4, | |
210 | ||
211 | .analog_names = &scope_analog_channel_names, | |
212 | .digital_names = &scope_digital_channel_names_32, | |
8ab929d6 | 213 | |
4b25cbff | 214 | .coupling_options = &coupling_options, |
692716f5 UH |
215 | .num_coupling_options = ARRAY_SIZE(coupling_options), |
216 | ||
4b25cbff | 217 | .trigger_sources = &trigger_sources_4ch, |
692716f5 | 218 | .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch), |
8ab929d6 SA |
219 | |
220 | .num_xdivs = 10, | |
221 | .num_ydivs = 8, | |
222 | }, | |
223 | }; | |
224 | ||
225 | /** | |
226 | * Prints out the state of the device as we currently know it. | |
227 | * | |
228 | * @param config This is the scope configuration. | |
229 | * @param state The current scope state to print. | |
230 | */ | |
329733d9 | 231 | static void scope_state_dump(const struct scope_config *config, |
8ab929d6 SA |
232 | struct scope_state *state) |
233 | { | |
234 | unsigned int i; | |
235 | char *tmp; | |
236 | ||
a9308652 | 237 | for (i = 0; i < config->analog_channels; i++) { |
f3c60fb6 SA |
238 | tmp = sr_voltage_string(dlm_vdivs[state->analog_states[i].vdiv][0], |
239 | dlm_vdivs[state->analog_states[i].vdiv][1]); | |
a9308652 | 240 | sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)", |
ac10a927 SA |
241 | i + 1, state->analog_states[i].state ? "On" : "Off", |
242 | (*config->coupling_options)[state->analog_states[i].coupling], | |
243 | tmp, state->analog_states[i].vertical_offset); | |
8ab929d6 SA |
244 | } |
245 | ||
a9308652 | 246 | for (i = 0; i < config->digital_channels; i++) { |
8ab929d6 | 247 | sr_info("State of digital channel %d -> %s", i, |
ac10a927 | 248 | state->digital_states[i] ? "On" : "Off"); |
8ab929d6 SA |
249 | } |
250 | ||
a9308652 | 251 | for (i = 0; i < config->pods; i++) { |
8ab929d6 | 252 | sr_info("State of digital POD %d -> %s", i, |
ac10a927 | 253 | state->pod_states[i] ? "On" : "Off"); |
8ab929d6 SA |
254 | } |
255 | ||
6984cfb2 SA |
256 | tmp = sr_period_string(dlm_timebases[state->timebase][0], |
257 | dlm_timebases[state->timebase][1]); | |
8ab929d6 SA |
258 | sr_info("Current timebase: %s", tmp); |
259 | g_free(tmp); | |
260 | ||
261 | tmp = sr_samplerate_string(state->sample_rate); | |
262 | sr_info("Current samplerate: %s", tmp); | |
263 | g_free(tmp); | |
264 | ||
af3487ec | 265 | sr_info("Current samples per acquisition (i.e. frame): %d", |
ac10a927 | 266 | state->samples_per_frame); |
af3487ec | 267 | |
8ab929d6 | 268 | sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)", |
ac10a927 | 269 | (*config->trigger_sources)[state->trigger_source], |
f3c60fb6 | 270 | dlm_trigger_slopes[state->trigger_slope], |
ac10a927 | 271 | state->horiz_triggerpos); |
8ab929d6 SA |
272 | } |
273 | ||
274 | /** | |
275 | * Searches through an array of strings and returns the index to the | |
276 | * array where a given string is located. | |
277 | * | |
278 | * @param value The string to search for. | |
279 | * @param array The array of strings. | |
280 | * @param result The index at which value is located in array. -1 on error. | |
281 | * | |
282 | * @return SR_ERR when value couldn't be found, SR_OK otherwise. | |
283 | */ | |
284 | static int array_option_get(char *value, const char *(*array)[], | |
692716f5 | 285 | unsigned int n, int *result) |
8ab929d6 SA |
286 | { |
287 | unsigned int i; | |
288 | ||
289 | *result = -1; | |
290 | ||
692716f5 | 291 | for (i = 0; i < n; i++) |
8ab929d6 SA |
292 | if (!g_strcmp0(value, (*array)[i])) { |
293 | *result = i; | |
294 | break; | |
295 | } | |
296 | ||
297 | if (*result == -1) | |
298 | return SR_ERR; | |
299 | ||
300 | return SR_OK; | |
301 | } | |
302 | ||
303 | /** | |
304 | * This function takes a value of the form "2.000E-03", converts it to a | |
305 | * significand / factor pair and returns the index of an array where | |
306 | * a matching pair was found. | |
307 | * | |
308 | * It's a bit convoluted because of floating-point issues. The value "10.00E-09" | |
309 | * is parsed by g_ascii_strtod() as 0.000000009999999939, for example. | |
310 | * Therefore it's easier to break the number up into two strings and handle | |
311 | * them separately. | |
312 | * | |
313 | * @param value The string to be parsed. | |
314 | * @param array The array of s/f pairs. | |
315 | * @param array_len The number of pairs in the array. | |
316 | * @param result The index at which a matching pair was found. | |
317 | * | |
318 | * @return SR_ERR on any parsing error, SR_OK otherwise. | |
319 | */ | |
320 | static int array_float_get(gchar *value, const uint64_t array[][2], | |
321 | int array_len, int *result) | |
322 | { | |
10c4ca9c SA |
323 | int i, e; |
324 | size_t pos; | |
8ab929d6 SA |
325 | uint64_t f; |
326 | float s; | |
ac10a927 | 327 | unsigned int s_int; |
8ab929d6 SA |
328 | gchar ss[10], es[10]; |
329 | ||
330 | memset(ss, 0, sizeof(ss)); | |
331 | memset(es, 0, sizeof(es)); | |
332 | ||
b18b8a92 | 333 | /* Get index of the separating 'E' character and break up the string. */ |
10c4ca9c | 334 | pos = strcspn(value, "E"); |
b18b8a92 SA |
335 | |
336 | strncpy(ss, value, pos); | |
337 | strncpy(es, &(value[pos+1]), 3); | |
8ab929d6 SA |
338 | |
339 | if (sr_atof_ascii(ss, &s) != SR_OK) | |
340 | return SR_ERR; | |
b18b8a92 | 341 | if (sr_atoi(es, &e) != SR_OK) |
8ab929d6 SA |
342 | return SR_ERR; |
343 | ||
344 | /* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */ | |
b18b8a92 | 345 | f = pow(10, abs(e)); |
8ab929d6 | 346 | |
a9308652 UH |
347 | /* |
348 | * Adjust the significand/factor pair to make sure | |
8ab929d6 SA |
349 | * that f is a multiple of 1000. |
350 | */ | |
b18b8a92 SA |
351 | while ((int)fmod(log10(f), 3) > 0) { |
352 | s *= 10; | |
353 | ||
354 | if (e < 0) | |
355 | f *= 10; | |
356 | else | |
357 | f /= 10; | |
358 | } | |
8ab929d6 SA |
359 | |
360 | /* Truncate s to circumvent rounding errors. */ | |
ac10a927 | 361 | s_int = (unsigned int)s; |
8ab929d6 SA |
362 | |
363 | for (i = 0; i < array_len; i++) { | |
b18b8a92 | 364 | if ((s_int == array[i][0]) && (f == array[i][1])) { |
8ab929d6 SA |
365 | *result = i; |
366 | return SR_OK; | |
367 | } | |
368 | } | |
369 | ||
370 | return SR_ERR; | |
371 | } | |
372 | ||
373 | /** | |
374 | * Obtains information about all analog channels from the oscilloscope. | |
375 | * The internal state information is updated accordingly. | |
376 | * | |
c65a021c | 377 | * @param sdi The device instance. |
8ab929d6 SA |
378 | * @param config The device's device configuration. |
379 | * @param state The device's state information. | |
380 | * | |
381 | * @return SR_ERR on error, SR_OK otherwise. | |
382 | */ | |
c65a021c | 383 | static int analog_channel_state_get(const struct sr_dev_inst *sdi, |
329733d9 | 384 | const struct scope_config *config, |
ac10a927 | 385 | struct scope_state *state) |
8ab929d6 | 386 | { |
c65a021c | 387 | struct sr_scpi_dev_inst *scpi; |
8ab929d6 | 388 | int i, j; |
c65a021c SA |
389 | GSList *l; |
390 | struct sr_channel *ch; | |
8ab929d6 SA |
391 | gchar *response; |
392 | ||
c65a021c SA |
393 | scpi = sdi->conn; |
394 | ||
a9308652 | 395 | for (i = 0; i < config->analog_channels; i++) { |
8ab929d6 SA |
396 | |
397 | if (dlm_analog_chan_state_get(scpi, i + 1, | |
ac10a927 | 398 | &state->analog_states[i].state) != SR_OK) |
8ab929d6 SA |
399 | return SR_ERR; |
400 | ||
c65a021c SA |
401 | for (l = sdi->channels; l; l = l->next) { |
402 | ch = l->data; | |
403 | if (ch->index == i) { | |
404 | ch->enabled = state->analog_states[i].state; | |
405 | break; | |
406 | } | |
407 | } | |
408 | ||
8ab929d6 SA |
409 | if (dlm_analog_chan_vdiv_get(scpi, i + 1, &response) != SR_OK) |
410 | return SR_ERR; | |
411 | ||
53012da6 | 412 | if (array_float_get(response, ARRAY_AND_SIZE(dlm_vdivs), |
ac10a927 | 413 | &j) != SR_OK) { |
8ab929d6 SA |
414 | g_free(response); |
415 | return SR_ERR; | |
416 | } | |
417 | ||
418 | g_free(response); | |
419 | state->analog_states[i].vdiv = j; | |
420 | ||
421 | if (dlm_analog_chan_voffs_get(scpi, i + 1, | |
ac10a927 | 422 | &state->analog_states[i].vertical_offset) != SR_OK) |
8ab929d6 SA |
423 | return SR_ERR; |
424 | ||
425 | if (dlm_analog_chan_wrange_get(scpi, i + 1, | |
ac10a927 | 426 | &state->analog_states[i].waveform_range) != SR_OK) |
8ab929d6 SA |
427 | return SR_ERR; |
428 | ||
429 | if (dlm_analog_chan_woffs_get(scpi, i + 1, | |
ac10a927 | 430 | &state->analog_states[i].waveform_offset) != SR_OK) |
8ab929d6 SA |
431 | return SR_ERR; |
432 | ||
433 | if (dlm_analog_chan_coupl_get(scpi, i + 1, &response) != SR_OK) { | |
434 | g_free(response); | |
435 | return SR_ERR; | |
436 | } | |
437 | ||
438 | if (array_option_get(response, config->coupling_options, | |
692716f5 | 439 | config->num_coupling_options, |
ac10a927 | 440 | &state->analog_states[i].coupling) != SR_OK) { |
8ab929d6 SA |
441 | g_free(response); |
442 | return SR_ERR; | |
443 | } | |
444 | g_free(response); | |
445 | } | |
446 | ||
447 | return SR_OK; | |
448 | } | |
449 | ||
450 | /** | |
451 | * Obtains information about all digital channels from the oscilloscope. | |
452 | * The internal state information is updated accordingly. | |
453 | * | |
c65a021c | 454 | * @param sdi The device instance. |
8ab929d6 SA |
455 | * @param config The device's device configuration. |
456 | * @param state The device's state information. | |
457 | * | |
458 | * @return SR_ERR on error, SR_OK otherwise. | |
459 | */ | |
c65a021c | 460 | static int digital_channel_state_get(const struct sr_dev_inst *sdi, |
329733d9 | 461 | const struct scope_config *config, |
ac10a927 | 462 | struct scope_state *state) |
8ab929d6 | 463 | { |
c65a021c SA |
464 | struct sr_scpi_dev_inst *scpi; |
465 | int i; | |
466 | GSList *l; | |
467 | struct sr_channel *ch; | |
468 | ||
469 | scpi = sdi->conn; | |
8ab929d6 | 470 | |
a9308652 UH |
471 | if (!config->digital_channels) { |
472 | sr_warn("Tried obtaining digital channel states on a " \ | |
473 | "model without digital inputs."); | |
474 | return SR_OK; | |
475 | } | |
8ab929d6 | 476 | |
a9308652 | 477 | for (i = 0; i < config->digital_channels; i++) { |
8ab929d6 SA |
478 | if (dlm_digital_chan_state_get(scpi, i + 1, |
479 | &state->digital_states[i]) != SR_OK) { | |
480 | return SR_ERR; | |
481 | } | |
c65a021c SA |
482 | |
483 | for (l = sdi->channels; l; l = l->next) { | |
484 | ch = l->data; | |
485 | if (ch->index == i + DLM_DIG_CHAN_INDEX_OFFS) { | |
486 | ch->enabled = state->digital_states[i]; | |
487 | break; | |
488 | } | |
489 | } | |
8ab929d6 SA |
490 | } |
491 | ||
a9308652 | 492 | if (!config->pods) { |
8ab929d6 SA |
493 | sr_warn("Tried obtaining pod states on a model without pods."); |
494 | return SR_OK; | |
495 | } | |
496 | ||
a9308652 | 497 | for (i = 0; i < config->pods; i++) { |
8ab929d6 SA |
498 | if (dlm_digital_pod_state_get(scpi, i + 'A', |
499 | &state->pod_states[i]) != SR_OK) | |
500 | return SR_ERR; | |
501 | } | |
502 | ||
503 | return SR_OK; | |
504 | } | |
505 | ||
c65a021c SA |
506 | SR_PRIV int dlm_channel_state_set(const struct sr_dev_inst *sdi, |
507 | const int ch_index, gboolean ch_state) | |
508 | { | |
509 | GSList *l; | |
510 | struct sr_channel *ch; | |
511 | struct dev_context *devc = NULL; | |
512 | struct scope_state *state; | |
513 | const struct scope_config *model = NULL; | |
514 | struct sr_scpi_dev_inst *scpi; | |
515 | gboolean chan_found; | |
516 | gboolean *pod_enabled; | |
517 | int i, result; | |
518 | ||
519 | result = SR_OK; | |
520 | ||
521 | scpi = sdi->conn; | |
522 | devc = sdi->priv; | |
523 | state = devc->model_state; | |
524 | model = devc->model_config; | |
525 | chan_found = FALSE; | |
526 | ||
527 | pod_enabled = g_malloc0(sizeof(gboolean) * model->pods); | |
528 | ||
529 | for (l = sdi->channels; l; l = l->next) { | |
530 | ch = l->data; | |
531 | ||
532 | switch (ch->type) { | |
533 | case SR_CHANNEL_ANALOG: | |
534 | if (ch->index == ch_index) { | |
535 | if (dlm_analog_chan_state_set(scpi, ch->index + 1, ch_state) != SR_OK) { | |
536 | result = SR_ERR; | |
537 | break; | |
538 | } | |
539 | ||
540 | ch->enabled = ch_state; | |
541 | state->analog_states[ch->index].state = ch_state; | |
542 | chan_found = TRUE; | |
543 | break; | |
544 | } | |
545 | break; | |
546 | case SR_CHANNEL_LOGIC: | |
547 | i = ch->index - DLM_DIG_CHAN_INDEX_OFFS; | |
548 | ||
549 | if (ch->index == ch_index) { | |
550 | if (dlm_digital_chan_state_set(scpi, i + 1, ch_state) != SR_OK) { | |
551 | result = SR_ERR; | |
552 | break; | |
553 | } | |
554 | ||
a9308652 UH |
555 | ch->enabled = ch_state; |
556 | state->digital_states[i] = ch_state; | |
557 | chan_found = TRUE; | |
c65a021c | 558 | |
a9308652 UH |
559 | /* The corresponding pod has to be enabled also. */ |
560 | pod_enabled[i / 8] |= ch->enabled; | |
561 | } else { | |
c65a021c SA |
562 | /* Also check all other channels. Maybe we can disable a pod. */ |
563 | pod_enabled[i / 8] |= ch->enabled; | |
a9308652 | 564 | } |
c65a021c SA |
565 | break; |
566 | default: | |
567 | result = SR_ERR_NA; | |
568 | } | |
569 | } | |
570 | ||
a9308652 | 571 | for (i = 0; i < model->pods; i++) { |
c65a021c SA |
572 | if (state->pod_states[i] == pod_enabled[i]) |
573 | continue; | |
574 | ||
575 | if (dlm_digital_pod_state_set(scpi, i + 1, pod_enabled[i]) != SR_OK) { | |
576 | result = SR_ERR; | |
577 | break; | |
578 | } | |
579 | ||
580 | state->pod_states[i] = pod_enabled[i]; | |
581 | } | |
582 | ||
583 | g_free(pod_enabled); | |
584 | ||
585 | if ((result == SR_OK) && !chan_found) | |
586 | result = SR_ERR_BUG; | |
587 | ||
588 | return result; | |
589 | } | |
590 | ||
8ab929d6 SA |
591 | /** |
592 | * Obtains information about the sample rate from the oscilloscope. | |
593 | * The internal state information is updated accordingly. | |
594 | * | |
595 | * @param sdi The device instance. | |
596 | * | |
597 | * @return SR_ERR on error, SR_OK otherwise. | |
598 | */ | |
599 | SR_PRIV int dlm_sample_rate_query(const struct sr_dev_inst *sdi) | |
600 | { | |
601 | struct dev_context *devc; | |
602 | struct scope_state *state; | |
603 | float tmp_float; | |
604 | ||
605 | devc = sdi->priv; | |
606 | state = devc->model_state; | |
607 | ||
a9308652 UH |
608 | /* |
609 | * No need to find an active channel to query the sample rate: | |
8ab929d6 SA |
610 | * querying any channel will do, so we use channel 1 all the time. |
611 | */ | |
612 | if (dlm_analog_chan_srate_get(sdi->conn, 1, &tmp_float) != SR_OK) | |
613 | return SR_ERR; | |
614 | ||
615 | state->sample_rate = tmp_float; | |
616 | ||
617 | return SR_OK; | |
618 | } | |
619 | ||
620 | /** | |
621 | * Obtains information about the current device state from the oscilloscope, | |
622 | * including all analog and digital channel configurations. | |
623 | * The internal state information is updated accordingly. | |
624 | * | |
625 | * @param sdi The device instance. | |
626 | * | |
627 | * @return SR_ERR on error, SR_OK otherwise. | |
628 | */ | |
629 | SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi) | |
630 | { | |
631 | struct dev_context *devc; | |
632 | struct scope_state *state; | |
329733d9 | 633 | const struct scope_config *config; |
8ab929d6 SA |
634 | float tmp_float; |
635 | gchar *response; | |
636 | int i; | |
637 | ||
638 | devc = sdi->priv; | |
639 | config = devc->model_config; | |
640 | state = devc->model_state; | |
641 | ||
c65a021c | 642 | if (analog_channel_state_get(sdi, config, state) != SR_OK) |
8ab929d6 SA |
643 | return SR_ERR; |
644 | ||
c65a021c | 645 | if (digital_channel_state_get(sdi, config, state) != SR_OK) |
8ab929d6 SA |
646 | return SR_ERR; |
647 | ||
648 | if (dlm_timebase_get(sdi->conn, &response) != SR_OK) | |
649 | return SR_ERR; | |
650 | ||
53012da6 | 651 | if (array_float_get(response, ARRAY_AND_SIZE(dlm_timebases), &i) != SR_OK) { |
8ab929d6 SA |
652 | g_free(response); |
653 | return SR_ERR; | |
654 | } | |
655 | ||
656 | g_free(response); | |
657 | state->timebase = i; | |
658 | ||
659 | if (dlm_horiz_trigger_pos_get(sdi->conn, &tmp_float) != SR_OK) | |
660 | return SR_ERR; | |
661 | ||
662 | /* TODO: Check if the calculation makes sense for the DLM. */ | |
663 | state->horiz_triggerpos = tmp_float / | |
f3c60fb6 SA |
664 | (((double)dlm_timebases[state->timebase][0] / |
665 | dlm_timebases[state->timebase][1]) * config->num_xdivs); | |
8ab929d6 SA |
666 | state->horiz_triggerpos -= 0.5; |
667 | state->horiz_triggerpos *= -1; | |
668 | ||
669 | if (dlm_trigger_source_get(sdi->conn, &response) != SR_OK) { | |
670 | g_free(response); | |
671 | return SR_ERR; | |
672 | } | |
673 | ||
674 | if (array_option_get(response, config->trigger_sources, | |
692716f5 | 675 | config->num_trigger_sources, &state->trigger_source) != SR_OK) { |
8ab929d6 SA |
676 | g_free(response); |
677 | return SR_ERR; | |
678 | } | |
679 | ||
680 | g_free(response); | |
681 | ||
682 | if (dlm_trigger_slope_get(sdi->conn, &i) != SR_OK) | |
683 | return SR_ERR; | |
684 | ||
685 | state->trigger_slope = i; | |
686 | ||
af3487ec SA |
687 | if (dlm_acq_length_get(sdi->conn, &state->samples_per_frame) != SR_OK) { |
688 | sr_err("Failed to query acquisition length."); | |
689 | return SR_ERR; | |
690 | } | |
691 | ||
8ab929d6 SA |
692 | dlm_sample_rate_query(sdi); |
693 | ||
694 | scope_state_dump(config, state); | |
695 | ||
696 | return SR_OK; | |
697 | } | |
698 | ||
699 | /** | |
700 | * Creates a new device state structure. | |
701 | * | |
702 | * @param config The device configuration to use. | |
703 | * | |
ac10a927 | 704 | * @return The newly allocated scope_state struct. |
8ab929d6 | 705 | */ |
329733d9 | 706 | static struct scope_state *dlm_scope_state_new(const struct scope_config *config) |
8ab929d6 SA |
707 | { |
708 | struct scope_state *state; | |
709 | ||
ac10a927 | 710 | state = g_malloc0(sizeof(struct scope_state)); |
8ab929d6 SA |
711 | |
712 | state->analog_states = g_malloc0(config->analog_channels * | |
ac10a927 | 713 | sizeof(struct analog_channel_state)); |
8ab929d6 SA |
714 | |
715 | state->digital_states = g_malloc0(config->digital_channels * | |
ac10a927 | 716 | sizeof(gboolean)); |
8ab929d6 SA |
717 | |
718 | state->pod_states = g_malloc0(config->pods * sizeof(gboolean)); | |
719 | ||
720 | return state; | |
721 | } | |
722 | ||
723 | /** | |
724 | * Frees the memory that was allocated by a call to dlm_scope_state_new(). | |
725 | * | |
726 | * @param state The device state structure whose memory is to be freed. | |
727 | */ | |
728 | SR_PRIV void dlm_scope_state_destroy(struct scope_state *state) | |
729 | { | |
730 | g_free(state->analog_states); | |
731 | g_free(state->digital_states); | |
732 | g_free(state->pod_states); | |
733 | g_free(state); | |
734 | } | |
735 | ||
736 | SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index) | |
737 | { | |
738 | unsigned int i, j; | |
739 | ||
740 | *model_index = -1; | |
741 | *model_name = NULL; | |
742 | ||
743 | for (i = 0; i < ARRAY_SIZE(scope_models); i++) { | |
744 | for (j = 0; scope_models[i].model_id[j]; j++) { | |
745 | if (!strcmp(model_id, scope_models[i].model_id[j])) { | |
746 | *model_index = i; | |
747 | *model_name = (char *)scope_models[i].model_name[j]; | |
748 | break; | |
749 | } | |
750 | } | |
751 | if (*model_index != -1) | |
752 | break; | |
753 | } | |
754 | ||
755 | if (*model_index == -1) { | |
756 | sr_err("Found unsupported DLM device with model identifier %s.", | |
ac10a927 | 757 | model_id); |
8ab929d6 SA |
758 | return SR_ERR_NA; |
759 | } | |
760 | ||
761 | return SR_OK; | |
762 | } | |
763 | ||
764 | /** | |
765 | * Attempts to initialize a DL/DLM device and prepares internal structures | |
766 | * if a suitable device was found. | |
767 | * | |
768 | * @param sdi The device instance. | |
769 | */ | |
770 | SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index) | |
771 | { | |
8ab929d6 SA |
772 | int i; |
773 | struct sr_channel *ch; | |
774 | struct dev_context *devc; | |
775 | ||
776 | devc = sdi->priv; | |
777 | ||
778 | devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) * | |
ac10a927 | 779 | scope_models[model_index].analog_channels); |
8ab929d6 | 780 | devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) * |
f77afcf0 | 781 | scope_models[model_index].pods); |
93b5cd69 GS |
782 | if (!devc->analog_groups || !devc->digital_groups) { |
783 | g_free(devc->analog_groups); | |
784 | g_free(devc->digital_groups); | |
785 | return SR_ERR_MALLOC; | |
786 | } | |
8ab929d6 | 787 | |
6fd78a9f | 788 | /* Add analog channels, each in its own group. */ |
8ab929d6 | 789 | for (i = 0; i < scope_models[model_index].analog_channels; i++) { |
5e23fcab | 790 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, |
c368e6f3 | 791 | (*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
792 | |
793 | devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); | |
794 | ||
795 | devc->analog_groups[i]->name = g_strdup( | |
ac10a927 | 796 | (char *)(*scope_models[model_index].analog_names)[i]); |
8ab929d6 SA |
797 | devc->analog_groups[i]->channels = g_slist_append(NULL, ch); |
798 | ||
799 | sdi->channel_groups = g_slist_append(sdi->channel_groups, | |
ac10a927 | 800 | devc->analog_groups[i]); |
8ab929d6 SA |
801 | } |
802 | ||
803 | /* Add digital channel groups. */ | |
a9308652 | 804 | for (i = 0; i < scope_models[model_index].pods; i++) { |
8ab929d6 SA |
805 | devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group)); |
806 | if (!devc->digital_groups[i]) | |
807 | return SR_ERR_MALLOC; | |
d2391b54 | 808 | devc->digital_groups[i]->name = g_strdup_printf("POD%d", i); |
8ab929d6 SA |
809 | sdi->channel_groups = g_slist_append(sdi->channel_groups, |
810 | devc->digital_groups[i]); | |
811 | } | |
812 | ||
813 | /* Add digital channels. */ | |
814 | for (i = 0; i < scope_models[model_index].digital_channels; i++) { | |
6fd78a9f SA |
815 | ch = sr_channel_new(sdi, DLM_DIG_CHAN_INDEX_OFFS + i, |
816 | SR_CHANNEL_LOGIC, TRUE, | |
c368e6f3 | 817 | (*scope_models[model_index].digital_names)[i]); |
8ab929d6 SA |
818 | |
819 | devc->digital_groups[i / 8]->channels = g_slist_append( | |
ac10a927 | 820 | devc->digital_groups[i / 8]->channels, ch); |
8ab929d6 SA |
821 | } |
822 | devc->model_config = &scope_models[model_index]; | |
823 | devc->frame_limit = 0; | |
824 | ||
825 | if (!(devc->model_state = dlm_scope_state_new(devc->model_config))) | |
826 | return SR_ERR_MALLOC; | |
827 | ||
828 | /* Disable non-standard response behavior. */ | |
829 | if (dlm_response_headers_set(sdi->conn, FALSE) != SR_OK) | |
830 | return SR_ERR; | |
831 | ||
832 | return SR_OK; | |
833 | } | |
834 | ||
af3487ec | 835 | SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi) |
8ab929d6 | 836 | { |
af3487ec SA |
837 | struct dev_context *devc; |
838 | struct sr_channel *ch; | |
839 | int result; | |
8ab929d6 | 840 | |
af3487ec SA |
841 | devc = sdi->priv; |
842 | ch = devc->current_channel->data; | |
8ab929d6 | 843 | |
af3487ec SA |
844 | switch (ch->type) { |
845 | case SR_CHANNEL_ANALOG: | |
846 | result = dlm_analog_data_get(sdi->conn, ch->index + 1); | |
847 | break; | |
848 | case SR_CHANNEL_LOGIC: | |
849 | result = dlm_digital_data_get(sdi->conn); | |
850 | break; | |
851 | default: | |
852 | sr_err("Invalid channel type encountered (%d).", | |
853 | ch->type); | |
854 | result = SR_ERR; | |
8ab929d6 SA |
855 | } |
856 | ||
af3487ec SA |
857 | if (result == SR_OK) |
858 | devc->data_pending = TRUE; | |
859 | else | |
860 | devc->data_pending = FALSE; | |
861 | ||
862 | return result; | |
8ab929d6 SA |
863 | } |
864 | ||
865 | /** | |
866 | * Reads and removes the block data header from a given data input. | |
867 | * Format is #ndddd... with n being the number of decimal digits d. | |
868 | * The string dddd... contains the decimal-encoded length of the data. | |
869 | * Example: #9000000013 would yield a length of 13 bytes. | |
870 | * | |
871 | * @param data The input data. | |
872 | * @param len The determined input data length. | |
873 | */ | |
874 | static int dlm_block_data_header_process(GArray *data, int *len) | |
875 | { | |
876 | int i, n; | |
877 | gchar s[20]; | |
878 | ||
879 | if (g_array_index(data, gchar, 0) != '#') | |
880 | return SR_ERR; | |
881 | ||
882 | n = (uint8_t)(g_array_index(data, gchar, 1) - '0'); | |
883 | ||
884 | for (i = 0; i < n; i++) | |
885 | s[i] = g_array_index(data, gchar, 2 + i); | |
886 | s[i] = 0; | |
887 | ||
888 | if (sr_atoi(s, len) != SR_OK) | |
889 | return SR_ERR; | |
890 | ||
891 | g_array_remove_range(data, 0, 2 + n); | |
892 | ||
893 | return SR_OK; | |
894 | } | |
895 | ||
896 | /** | |
897 | * Turns raw sample data into voltages and sends them off to the session bus. | |
898 | * | |
899 | * @param data The raw sample data. | |
8ab929d6 SA |
900 | * @ch_state Pointer to the state of the channel whose data we're processing. |
901 | * @sdi The device instance. | |
902 | * | |
903 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
904 | */ | |
af3487ec | 905 | static int dlm_analog_samples_send(GArray *data, |
ac10a927 SA |
906 | struct analog_channel_state *ch_state, |
907 | struct sr_dev_inst *sdi) | |
8ab929d6 | 908 | { |
af3487ec | 909 | uint32_t i, samples; |
8ab929d6 SA |
910 | float voltage, range, offset; |
911 | GArray *float_data; | |
912 | struct dev_context *devc; | |
af3487ec | 913 | struct scope_state *model_state; |
8ab929d6 | 914 | struct sr_channel *ch; |
44040ea6 UH |
915 | struct sr_datafeed_analog analog; |
916 | struct sr_analog_encoding encoding; | |
917 | struct sr_analog_meaning meaning; | |
918 | struct sr_analog_spec spec; | |
8ab929d6 SA |
919 | struct sr_datafeed_packet packet; |
920 | ||
af3487ec SA |
921 | devc = sdi->priv; |
922 | model_state = devc->model_state; | |
923 | samples = model_state->samples_per_frame; | |
924 | ch = devc->current_channel->data; | |
925 | ||
8ab929d6 SA |
926 | if (data->len < samples * sizeof(uint8_t)) { |
927 | sr_err("Truncated waveform data packet received."); | |
928 | return SR_ERR; | |
929 | } | |
930 | ||
a9308652 | 931 | range = ch_state->waveform_range; |
8ab929d6 SA |
932 | offset = ch_state->waveform_offset; |
933 | ||
a9308652 UH |
934 | /* |
935 | * Convert byte sample to voltage according to | |
8ab929d6 SA |
936 | * page 269 of the Communication Interface User's Manual. |
937 | */ | |
938 | float_data = g_array_new(FALSE, FALSE, sizeof(float)); | |
939 | for (i = 0; i < samples; i++) { | |
940 | voltage = (float)g_array_index(data, int8_t, i); | |
941 | voltage = (range * voltage / | |
ac10a927 | 942 | DLM_DIVISION_FOR_BYTE_FORMAT) + offset; |
8ab929d6 SA |
943 | g_array_append_val(float_data, voltage); |
944 | } | |
945 | ||
7dcaddd3 UH |
946 | /* TODO: Use proper 'digits' value for this device (and its modes). */ |
947 | sr_analog_init(&analog, &encoding, &meaning, &spec, 2); | |
44040ea6 | 948 | analog.meaning->channels = g_slist_append(NULL, ch); |
8ab929d6 SA |
949 | analog.num_samples = float_data->len; |
950 | analog.data = (float*)float_data->data; | |
44040ea6 UH |
951 | analog.meaning->mq = SR_MQ_VOLTAGE; |
952 | analog.meaning->unit = SR_UNIT_VOLT; | |
953 | analog.meaning->mqflags = 0; | |
954 | packet.type = SR_DF_ANALOG; | |
8ab929d6 SA |
955 | packet.payload = &analog; |
956 | sr_session_send(sdi, &packet); | |
44040ea6 | 957 | g_slist_free(analog.meaning->channels); |
8ab929d6 SA |
958 | |
959 | g_array_free(float_data, TRUE); | |
960 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
961 | ||
962 | return SR_OK; | |
963 | } | |
964 | ||
965 | /** | |
966 | * Sends logic sample data off to the session bus. | |
967 | * | |
968 | * @param data The raw sample data. | |
8ab929d6 SA |
969 | * @ch_state Pointer to the state of the channel whose data we're processing. |
970 | * @sdi The device instance. | |
971 | * | |
972 | * @return SR_ERR when data is trucated, SR_OK otherwise. | |
973 | */ | |
af3487ec | 974 | static int dlm_digital_samples_send(GArray *data, |
ac10a927 | 975 | struct sr_dev_inst *sdi) |
8ab929d6 | 976 | { |
af3487ec SA |
977 | struct dev_context *devc; |
978 | struct scope_state *model_state; | |
979 | uint32_t samples; | |
8ab929d6 SA |
980 | struct sr_datafeed_logic logic; |
981 | struct sr_datafeed_packet packet; | |
982 | ||
af3487ec SA |
983 | devc = sdi->priv; |
984 | model_state = devc->model_state; | |
985 | samples = model_state->samples_per_frame; | |
986 | ||
8ab929d6 SA |
987 | if (data->len < samples * sizeof(uint8_t)) { |
988 | sr_err("Truncated waveform data packet received."); | |
989 | return SR_ERR; | |
990 | } | |
991 | ||
992 | logic.length = samples; | |
993 | logic.unitsize = 1; | |
994 | logic.data = data->data; | |
995 | packet.type = SR_DF_LOGIC; | |
996 | packet.payload = &logic; | |
997 | sr_session_send(sdi, &packet); | |
998 | ||
999 | g_array_remove_range(data, 0, samples * sizeof(uint8_t)); | |
1000 | ||
1001 | return SR_OK; | |
1002 | } | |
1003 | ||
1004 | /** | |
1005 | * Attempts to query sample data from the oscilloscope in order to send it | |
1006 | * to the session bus for further processing. | |
1007 | * | |
1008 | * @param fd The file descriptor used as the event source. | |
1009 | * @param revents The received events. | |
1010 | * @param cb_data Callback data, in this case our device instance. | |
1011 | * | |
1012 | * @return TRUE in case of success or a recoverable error, | |
a9308652 | 1013 | * FALSE when a fatal error was encountered. |
8ab929d6 SA |
1014 | */ |
1015 | SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data) | |
1016 | { | |
8ab929d6 SA |
1017 | struct sr_dev_inst *sdi; |
1018 | struct scope_state *model_state; | |
1019 | struct dev_context *devc; | |
af3487ec | 1020 | struct sr_channel *ch; |
af3487ec SA |
1021 | int chunk_len, num_bytes; |
1022 | static GArray *data = NULL; | |
8ab929d6 SA |
1023 | |
1024 | (void)fd; | |
1025 | (void)revents; | |
1026 | ||
1027 | if (!(sdi = cb_data)) | |
1028 | return FALSE; | |
1029 | ||
1030 | if (!(devc = sdi->priv)) | |
1031 | return FALSE; | |
1032 | ||
1033 | if (!(model_state = (struct scope_state*)devc->model_state)) | |
1034 | return FALSE; | |
1035 | ||
af3487ec SA |
1036 | /* Are we waiting for a response from the device? */ |
1037 | if (!devc->data_pending) | |
8ab929d6 | 1038 | return TRUE; |
af3487ec SA |
1039 | |
1040 | /* Check if a new query response is coming our way. */ | |
1041 | if (!data) { | |
1042 | if (sr_scpi_read_begin(sdi->conn) == SR_OK) | |
1043 | /* The 16 here accounts for the header and EOL. */ | |
1044 | data = g_array_sized_new(FALSE, FALSE, sizeof(uint8_t), | |
ac10a927 | 1045 | 16 + model_state->samples_per_frame); |
af3487ec SA |
1046 | else |
1047 | return TRUE; | |
8ab929d6 SA |
1048 | } |
1049 | ||
af3487ec SA |
1050 | /* Store incoming data. */ |
1051 | chunk_len = sr_scpi_read_data(sdi->conn, devc->receive_buffer, | |
ac10a927 | 1052 | RECEIVE_BUFFER_SIZE); |
af3487ec SA |
1053 | if (chunk_len < 0) { |
1054 | sr_err("Error while reading data: %d", chunk_len); | |
1055 | goto fail; | |
1056 | } | |
1057 | g_array_append_vals(data, devc->receive_buffer, chunk_len); | |
8ab929d6 | 1058 | |
af3487ec SA |
1059 | /* Read the entire query response before processing. */ |
1060 | if (!sr_scpi_read_complete(sdi->conn)) | |
1061 | return TRUE; | |
8ab929d6 | 1062 | |
af3487ec SA |
1063 | /* We finished reading and are no longer waiting for data. */ |
1064 | devc->data_pending = FALSE; | |
8ab929d6 | 1065 | |
af3487ec | 1066 | /* Signal the beginning of a new frame if this is the first channel. */ |
4c5f7006 UH |
1067 | if (devc->current_channel == devc->enabled_channels) |
1068 | std_session_send_df_frame_begin(sdi); | |
8ab929d6 | 1069 | |
af3487ec SA |
1070 | if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) { |
1071 | sr_err("Encountered malformed block data header."); | |
1072 | goto fail; | |
1073 | } | |
8ab929d6 | 1074 | |
af3487ec SA |
1075 | if (num_bytes == 0) { |
1076 | sr_warn("Zero-length waveform data packet received. " \ | |
ac10a927 SA |
1077 | "Live mode not supported yet, stopping " \ |
1078 | "acquisition and retrying."); | |
af3487ec SA |
1079 | /* Don't care about return value here. */ |
1080 | dlm_acquisition_stop(sdi->conn); | |
1081 | g_array_free(data, TRUE); | |
0028d5a1 | 1082 | dlm_channel_data_request(sdi); |
af3487ec SA |
1083 | return TRUE; |
1084 | } | |
8ab929d6 | 1085 | |
af3487ec SA |
1086 | ch = devc->current_channel->data; |
1087 | switch (ch->type) { | |
1088 | case SR_CHANNEL_ANALOG: | |
1089 | if (dlm_analog_samples_send(data, | |
1090 | &model_state->analog_states[ch->index], | |
1091 | sdi) != SR_OK) | |
8ab929d6 | 1092 | goto fail; |
af3487ec SA |
1093 | break; |
1094 | case SR_CHANNEL_LOGIC: | |
1095 | if (dlm_digital_samples_send(data, sdi) != SR_OK) | |
1096 | goto fail; | |
1097 | break; | |
1098 | default: | |
1099 | sr_err("Invalid channel type encountered."); | |
1100 | break; | |
1101 | } | |
8ab929d6 | 1102 | |
af3487ec SA |
1103 | g_array_free(data, TRUE); |
1104 | data = NULL; | |
8ab929d6 | 1105 | |
a9308652 UH |
1106 | /* |
1107 | * Signal the end of this frame if this was the last enabled channel | |
af3487ec SA |
1108 | * and set the next enabled channel. Then, request its data. |
1109 | */ | |
1110 | if (!devc->current_channel->next) { | |
4c5f7006 | 1111 | std_session_send_df_frame_end(sdi); |
af3487ec SA |
1112 | devc->current_channel = devc->enabled_channels; |
1113 | ||
a9308652 UH |
1114 | /* |
1115 | * As of now we only support importing the current acquisition | |
af3487ec SA |
1116 | * data so we're going to stop at this point. |
1117 | */ | |
d2f7c417 | 1118 | sr_dev_acquisition_stop(sdi); |
af3487ec SA |
1119 | return TRUE; |
1120 | } else | |
1121 | devc->current_channel = devc->current_channel->next; | |
8ab929d6 | 1122 | |
af3487ec | 1123 | if (dlm_channel_data_request(sdi) != SR_OK) { |
f3f19d11 | 1124 | sr_err("Failed to request acquisition data."); |
af3487ec | 1125 | goto fail; |
8ab929d6 SA |
1126 | } |
1127 | ||
8ab929d6 SA |
1128 | return TRUE; |
1129 | ||
1130 | fail: | |
af3487ec | 1131 | if (data) { |
8ab929d6 | 1132 | g_array_free(data, TRUE); |
af3487ec SA |
1133 | data = NULL; |
1134 | } | |
8ab929d6 | 1135 | |
af3487ec | 1136 | return FALSE; |
8ab929d6 | 1137 | } |