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Commit | Line | Data |
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0aba65da | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
0aba65da | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
0aba65da UH |
5 | * |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
515ab088 | 21 | #include "protocol.h" |
0aba65da | 22 | |
0aba65da UH |
23 | SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial, |
24 | uint8_t command) | |
25 | { | |
26 | char buf[1]; | |
27 | ||
28 | sr_dbg("Sending cmd 0x%.2x.", command); | |
29 | buf[0] = command; | |
f4d3a4fb | 30 | if (serial_write_blocking(serial, buf, 1, serial_timeout(serial, 1)) != 1) |
0aba65da UH |
31 | return SR_ERR; |
32 | ||
bce75f94 UJ |
33 | if (serial_drain(serial) != 0) |
34 | return SR_ERR; | |
35 | ||
0aba65da UH |
36 | return SR_OK; |
37 | } | |
38 | ||
39 | SR_PRIV int send_longcommand(struct sr_serial_dev_inst *serial, | |
016e72f3 | 40 | uint8_t command, uint8_t *data) |
0aba65da UH |
41 | { |
42 | char buf[5]; | |
43 | ||
016e72f3 BV |
44 | sr_dbg("Sending cmd 0x%.2x data 0x%.2x%.2x%.2x%.2x.", command, |
45 | data[0], data[1], data[2], data[3]); | |
0aba65da | 46 | buf[0] = command; |
016e72f3 BV |
47 | buf[1] = data[0]; |
48 | buf[2] = data[1]; | |
49 | buf[3] = data[2]; | |
50 | buf[4] = data[3]; | |
f4d3a4fb | 51 | if (serial_write_blocking(serial, buf, 5, serial_timeout(serial, 1)) != 5) |
0aba65da UH |
52 | return SR_ERR; |
53 | ||
bce75f94 UJ |
54 | if (serial_drain(serial) != 0) |
55 | return SR_ERR; | |
56 | ||
0aba65da UH |
57 | return SR_OK; |
58 | } | |
59 | ||
244995a2 GGM |
60 | SR_PRIV int ols_send_reset(struct sr_serial_dev_inst *serial) |
61 | { | |
62 | unsigned int i; | |
63 | ||
64 | for (i = 0; i < 5; i++) { | |
65 | if (send_shortcommand(serial, CMD_RESET) != SR_OK) | |
66 | return SR_ERR; | |
67 | } | |
68 | ||
69 | return SR_OK; | |
70 | } | |
71 | ||
91fd0f72 BV |
72 | /* Configures the channel mask based on which channels are enabled. */ |
73 | SR_PRIV void ols_channel_mask(const struct sr_dev_inst *sdi) | |
0aba65da UH |
74 | { |
75 | struct dev_context *devc; | |
91fd0f72 | 76 | struct sr_channel *channel; |
0aba65da | 77 | const GSList *l; |
0aba65da UH |
78 | |
79 | devc = sdi->priv; | |
80 | ||
ba7dd8bb | 81 | devc->channel_mask = 0; |
91fd0f72 BV |
82 | for (l = sdi->channels; l; l = l->next) { |
83 | channel = l->data; | |
84 | if (channel->enabled) | |
85 | devc->channel_mask |= 1 << channel->index; | |
86 | } | |
87 | } | |
88 | ||
89 | SR_PRIV int ols_convert_trigger(const struct sr_dev_inst *sdi) | |
90 | { | |
91 | struct dev_context *devc; | |
92 | struct sr_trigger *trigger; | |
93 | struct sr_trigger_stage *stage; | |
94 | struct sr_trigger_match *match; | |
95 | const GSList *l, *m; | |
96 | int i; | |
97 | ||
98 | devc = sdi->priv; | |
99 | ||
100 | devc->num_stages = 0; | |
0aba65da UH |
101 | for (i = 0; i < NUM_TRIGGER_STAGES; i++) { |
102 | devc->trigger_mask[i] = 0; | |
103 | devc->trigger_value[i] = 0; | |
104 | } | |
105 | ||
0812c40e | 106 | if (!(trigger = sr_session_trigger_get(sdi->session))) |
91fd0f72 | 107 | return SR_OK; |
0aba65da | 108 | |
91fd0f72 BV |
109 | devc->num_stages = g_slist_length(trigger->stages); |
110 | if (devc->num_stages > NUM_TRIGGER_STAGES) { | |
111 | sr_err("This device only supports %d trigger stages.", | |
112 | NUM_TRIGGER_STAGES); | |
113 | return SR_ERR; | |
114 | } | |
b1de0407 | 115 | |
91fd0f72 BV |
116 | for (l = trigger->stages; l; l = l->next) { |
117 | stage = l->data; | |
118 | for (m = stage->matches; m; m = m->next) { | |
119 | match = m->data; | |
120 | if (!match->channel->enabled) | |
121 | /* Ignore disabled channels with a trigger. */ | |
122 | continue; | |
123 | devc->trigger_mask[stage->stage] |= 1 << match->channel->index; | |
124 | if (match->match == SR_TRIGGER_ONE) | |
125 | devc->trigger_value[stage->stage] |= 1 << match->channel->index; | |
0aba65da | 126 | } |
0aba65da UH |
127 | } |
128 | ||
129 | return SR_OK; | |
130 | } | |
131 | ||
0aba65da UH |
132 | SR_PRIV struct dev_context *ols_dev_new(void) |
133 | { | |
134 | struct dev_context *devc; | |
135 | ||
f57d8ffe | 136 | devc = g_malloc0(sizeof(struct dev_context)); |
0aba65da | 137 | devc->trigger_at = -1; |
bf256783 | 138 | |
0aba65da UH |
139 | return devc; |
140 | } | |
141 | ||
4a34a74d WS |
142 | static void ols_channel_new(struct sr_dev_inst *sdi, int num_chan) |
143 | { | |
ea642977 | 144 | struct dev_context *devc = sdi->priv; |
4a34a74d WS |
145 | int i; |
146 | ||
147 | for (i = 0; i < num_chan; i++) | |
148 | sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, | |
149 | ols_channel_names[i]); | |
ea642977 WS |
150 | |
151 | devc->max_channels = num_chan; | |
4a34a74d WS |
152 | } |
153 | ||
ad4174c1 GS |
154 | static void metadata_quirks(struct sr_dev_inst *sdi) |
155 | { | |
156 | struct dev_context *devc; | |
157 | gboolean is_shrimp; | |
158 | ||
159 | if (!sdi) | |
160 | return; | |
161 | devc = sdi->priv; | |
162 | if (!devc) | |
163 | return; | |
164 | ||
165 | is_shrimp = sdi->model && strcmp(sdi->model, "Shrimp1.0") == 0; | |
166 | if (is_shrimp) { | |
167 | if (!devc->max_channels) | |
168 | ols_channel_new(sdi, 4); | |
169 | if (!devc->max_samples) | |
170 | devc->max_samples = 256 * 1024; | |
171 | if (!devc->max_samplerate) | |
172 | devc->max_samplerate = SR_MHZ(20); | |
173 | } | |
174 | } | |
175 | ||
0aba65da UH |
176 | SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial) |
177 | { | |
178 | struct sr_dev_inst *sdi; | |
179 | struct dev_context *devc; | |
4a34a74d | 180 | uint32_t tmp_int; |
0aba65da | 181 | uint8_t key, type, token; |
f4d3a4fb | 182 | int delay_ms; |
0aba65da UH |
183 | GString *tmp_str, *devname, *version; |
184 | guchar tmp_c; | |
185 | ||
aac29cc1 | 186 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be | 187 | sdi->status = SR_ST_INACTIVE; |
0aba65da UH |
188 | devc = ols_dev_new(); |
189 | sdi->priv = devc; | |
190 | ||
191 | devname = g_string_new(""); | |
192 | version = g_string_new(""); | |
193 | ||
194 | key = 0xff; | |
195 | while (key) { | |
f4d3a4fb BV |
196 | delay_ms = serial_timeout(serial, 1); |
197 | if (serial_read_blocking(serial, &key, 1, delay_ms) != 1) | |
0aba65da | 198 | break; |
625763e2 BV |
199 | if (key == 0x00) { |
200 | sr_dbg("Got metadata key 0x00, metadata ends."); | |
201 | break; | |
202 | } | |
0aba65da UH |
203 | type = key >> 5; |
204 | token = key & 0x1f; | |
205 | switch (type) { | |
206 | case 0: | |
207 | /* NULL-terminated string */ | |
208 | tmp_str = g_string_new(""); | |
f4d3a4fb BV |
209 | delay_ms = serial_timeout(serial, 1); |
210 | while (serial_read_blocking(serial, &tmp_c, 1, delay_ms) == 1 && tmp_c != '\0') | |
0aba65da UH |
211 | g_string_append_c(tmp_str, tmp_c); |
212 | sr_dbg("Got metadata key 0x%.2x value '%s'.", | |
213 | key, tmp_str->str); | |
214 | switch (token) { | |
215 | case 0x01: | |
216 | /* Device name */ | |
217 | devname = g_string_append(devname, tmp_str->str); | |
218 | break; | |
219 | case 0x02: | |
220 | /* FPGA firmware version */ | |
221 | if (version->len) | |
222 | g_string_append(version, ", "); | |
223 | g_string_append(version, "FPGA version "); | |
224 | g_string_append(version, tmp_str->str); | |
225 | break; | |
226 | case 0x03: | |
227 | /* Ancillary version */ | |
228 | if (version->len) | |
229 | g_string_append(version, ", "); | |
230 | g_string_append(version, "Ancillary version "); | |
231 | g_string_append(version, tmp_str->str); | |
232 | break; | |
233 | default: | |
234 | sr_info("ols: unknown token 0x%.2x: '%s'", | |
235 | token, tmp_str->str); | |
236 | break; | |
237 | } | |
238 | g_string_free(tmp_str, TRUE); | |
239 | break; | |
240 | case 1: | |
241 | /* 32-bit unsigned integer */ | |
f4d3a4fb BV |
242 | delay_ms = serial_timeout(serial, 4); |
243 | if (serial_read_blocking(serial, &tmp_int, 4, delay_ms) != 4) | |
0aba65da | 244 | break; |
016e72f3 | 245 | tmp_int = RB32(&tmp_int); |
0aba65da UH |
246 | sr_dbg("Got metadata key 0x%.2x value 0x%.8x.", |
247 | key, tmp_int); | |
248 | switch (token) { | |
249 | case 0x00: | |
ba7dd8bb | 250 | /* Number of usable channels */ |
4a34a74d | 251 | ols_channel_new(sdi, tmp_int); |
0aba65da UH |
252 | break; |
253 | case 0x01: | |
254 | /* Amount of sample memory available (bytes) */ | |
255 | devc->max_samples = tmp_int; | |
256 | break; | |
257 | case 0x02: | |
258 | /* Amount of dynamic memory available (bytes) */ | |
259 | /* what is this for? */ | |
260 | break; | |
261 | case 0x03: | |
f3f19d11 | 262 | /* Maximum sample rate (Hz) */ |
0aba65da UH |
263 | devc->max_samplerate = tmp_int; |
264 | break; | |
265 | case 0x04: | |
266 | /* protocol version */ | |
267 | devc->protocol_version = tmp_int; | |
268 | break; | |
269 | default: | |
270 | sr_info("Unknown token 0x%.2x: 0x%.8x.", | |
271 | token, tmp_int); | |
272 | break; | |
273 | } | |
274 | break; | |
275 | case 2: | |
276 | /* 8-bit unsigned integer */ | |
f4d3a4fb BV |
277 | delay_ms = serial_timeout(serial, 1); |
278 | if (serial_read_blocking(serial, &tmp_c, 1, delay_ms) != 1) | |
0aba65da UH |
279 | break; |
280 | sr_dbg("Got metadata key 0x%.2x value 0x%.2x.", | |
281 | key, tmp_c); | |
282 | switch (token) { | |
283 | case 0x00: | |
ba7dd8bb | 284 | /* Number of usable channels */ |
4a34a74d | 285 | ols_channel_new(sdi, tmp_c); |
0aba65da UH |
286 | break; |
287 | case 0x01: | |
288 | /* protocol version */ | |
289 | devc->protocol_version = tmp_c; | |
290 | break; | |
291 | default: | |
292 | sr_info("Unknown token 0x%.2x: 0x%.2x.", | |
293 | token, tmp_c); | |
294 | break; | |
295 | } | |
296 | break; | |
297 | default: | |
298 | /* unknown type */ | |
299 | break; | |
300 | } | |
301 | } | |
302 | ||
303 | sdi->model = devname->str; | |
304 | sdi->version = version->str; | |
305 | g_string_free(devname, FALSE); | |
306 | g_string_free(version, FALSE); | |
307 | ||
ad4174c1 GS |
308 | /* Optionally amend received metadata, model specific quirks. */ |
309 | metadata_quirks(sdi); | |
310 | ||
0aba65da UH |
311 | return sdi; |
312 | } | |
313 | ||
314 | SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi, | |
e46aa4f6 | 315 | const uint64_t samplerate) |
0aba65da UH |
316 | { |
317 | struct dev_context *devc; | |
318 | ||
319 | devc = sdi->priv; | |
e46aa4f6 | 320 | if (devc->max_samplerate && samplerate > devc->max_samplerate) |
0aba65da UH |
321 | return SR_ERR_SAMPLERATE; |
322 | ||
323 | if (samplerate > CLOCK_RATE) { | |
6ebe0039 | 324 | sr_info("Enabling demux mode."); |
0aba65da | 325 | devc->flag_reg |= FLAG_DEMUX; |
6ebe0039 | 326 | devc->flag_reg &= ~FLAG_FILTER; |
0aba65da UH |
327 | devc->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1; |
328 | } else { | |
6ebe0039 | 329 | sr_info("Disabling demux mode."); |
0aba65da | 330 | devc->flag_reg &= ~FLAG_DEMUX; |
6a53bde6 | 331 | devc->flag_reg |= FLAG_FILTER; |
0aba65da UH |
332 | devc->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1; |
333 | } | |
334 | ||
335 | /* Calculate actual samplerate used and complain if it is different | |
336 | * from the requested. | |
337 | */ | |
338 | devc->cur_samplerate = CLOCK_RATE / (devc->cur_samplerate_divider + 1); | |
339 | if (devc->flag_reg & FLAG_DEMUX) | |
340 | devc->cur_samplerate *= 2; | |
341 | if (devc->cur_samplerate != samplerate) | |
e46aa4f6 | 342 | sr_info("Can't match samplerate %" PRIu64 ", using %" |
0aba65da UH |
343 | PRIu64 ".", samplerate, devc->cur_samplerate); |
344 | ||
345 | return SR_OK; | |
346 | } | |
347 | ||
348 | SR_PRIV void abort_acquisition(const struct sr_dev_inst *sdi) | |
349 | { | |
459a0f26 | 350 | struct sr_serial_dev_inst *serial; |
0aba65da | 351 | |
459a0f26 | 352 | serial = sdi->conn; |
102f1239 | 353 | serial_source_remove(sdi->session, serial); |
0aba65da | 354 | |
bee2b016 | 355 | std_session_send_df_end(sdi); |
0aba65da UH |
356 | } |
357 | ||
358 | SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data) | |
359 | { | |
459a0f26 | 360 | struct dev_context *devc; |
625763e2 | 361 | struct sr_dev_inst *sdi; |
459a0f26 | 362 | struct sr_serial_dev_inst *serial; |
0aba65da UH |
363 | struct sr_datafeed_packet packet; |
364 | struct sr_datafeed_logic logic; | |
fe9ac252 | 365 | uint32_t sample; |
91fd0f72 | 366 | int num_ols_changrp, offset, j; |
b1de0407 | 367 | unsigned int i; |
0aba65da | 368 | unsigned char byte; |
625763e2 BV |
369 | |
370 | (void)fd; | |
371 | ||
372 | sdi = cb_data; | |
373 | serial = sdi->conn; | |
374 | devc = sdi->priv; | |
0aba65da | 375 | |
8105e829 DE |
376 | if (devc->num_transfers == 0 && revents == 0) { |
377 | /* Ignore timeouts as long as we haven't received anything */ | |
378 | return TRUE; | |
379 | } | |
380 | ||
0aba65da | 381 | if (devc->num_transfers++ == 0) { |
0aba65da UH |
382 | devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4); |
383 | if (!devc->raw_sample_buf) { | |
384 | sr_err("Sample buffer malloc failed."); | |
385 | return FALSE; | |
386 | } | |
387 | /* fill with 1010... for debugging */ | |
388 | memset(devc->raw_sample_buf, 0x82, devc->limit_samples * 4); | |
389 | } | |
390 | ||
91fd0f72 | 391 | num_ols_changrp = 0; |
be15c51e | 392 | for (i = 0x20; i > 0x02; i >>= 1) { |
f51acd69 | 393 | if ((devc->flag_reg & i) == 0) { |
91fd0f72 | 394 | num_ols_changrp++; |
f51acd69 | 395 | } |
0aba65da UH |
396 | } |
397 | ||
faf72024 | 398 | if (revents == G_IO_IN && devc->num_samples < devc->limit_samples) { |
9f5d4c3c | 399 | if (serial_read_nonblocking(serial, &byte, 1) != 1) |
0aba65da | 400 | return FALSE; |
625763e2 | 401 | devc->cnt_bytes++; |
0aba65da UH |
402 | |
403 | /* Ignore it if we've read enough. */ | |
404 | if (devc->num_samples >= devc->limit_samples) | |
405 | return TRUE; | |
406 | ||
407 | devc->sample[devc->num_bytes++] = byte; | |
6d16fdfb | 408 | sr_spew("Received byte 0x%.2x.", byte); |
91fd0f72 | 409 | if (devc->num_bytes == num_ols_changrp) { |
625763e2 BV |
410 | devc->cnt_samples++; |
411 | devc->cnt_samples_rle++; | |
412 | /* | |
413 | * Got a full sample. Convert from the OLS's little-endian | |
414 | * sample to the local format. | |
415 | */ | |
fe9ac252 BV |
416 | sample = devc->sample[0] | (devc->sample[1] << 8) \ |
417 | | (devc->sample[2] << 16) | (devc->sample[3] << 24); | |
625763e2 | 418 | sr_dbg("Received sample 0x%.*x.", devc->num_bytes * 2, sample); |
0aba65da UH |
419 | if (devc->flag_reg & FLAG_RLE) { |
420 | /* | |
00d04d3b BV |
421 | * In RLE mode the high bit of the sample is the |
422 | * "count" flag, meaning this sample is the number | |
423 | * of times the previous sample occurred. | |
0aba65da UH |
424 | */ |
425 | if (devc->sample[devc->num_bytes - 1] & 0x80) { | |
00d04d3b BV |
426 | /* Clear the high bit. */ |
427 | sample &= ~(0x80 << (devc->num_bytes - 1) * 8); | |
fe9ac252 | 428 | devc->rle_count = sample; |
625763e2 | 429 | devc->cnt_samples_rle += devc->rle_count; |
00d04d3b | 430 | sr_dbg("RLE count: %u.", devc->rle_count); |
0aba65da UH |
431 | devc->num_bytes = 0; |
432 | return TRUE; | |
433 | } | |
434 | } | |
435 | devc->num_samples += devc->rle_count + 1; | |
436 | if (devc->num_samples > devc->limit_samples) { | |
437 | /* Save us from overrunning the buffer. */ | |
438 | devc->rle_count -= devc->num_samples - devc->limit_samples; | |
439 | devc->num_samples = devc->limit_samples; | |
440 | } | |
441 | ||
91fd0f72 | 442 | if (num_ols_changrp < 4) { |
0aba65da UH |
443 | /* |
444 | * Some channel groups may have been turned | |
445 | * off, to speed up transfer between the | |
446 | * hardware and the PC. Expand that here before | |
447 | * submitting it over the session bus -- | |
448 | * whatever is listening on the bus will be | |
449 | * expecting a full 32-bit sample, based on | |
ba7dd8bb | 450 | * the number of channels. |
0aba65da UH |
451 | */ |
452 | j = 0; | |
453 | memset(devc->tmp_sample, 0, 4); | |
454 | for (i = 0; i < 4; i++) { | |
455 | if (((devc->flag_reg >> 2) & (1 << i)) == 0) { | |
456 | /* | |
457 | * This channel group was | |
458 | * enabled, copy from received | |
459 | * sample. | |
460 | */ | |
461 | devc->tmp_sample[i] = devc->sample[j++]; | |
f51acd69 | 462 | } else if (devc->flag_reg & FLAG_DEMUX && (i > 2)) { |
b1de0407 | 463 | /* group 2 & 3 get added to 0 & 1 */ |
f51acd69 | 464 | devc->tmp_sample[i - 2] = devc->sample[j++]; |
0aba65da UH |
465 | } |
466 | } | |
467 | memcpy(devc->sample, devc->tmp_sample, 4); | |
625763e2 | 468 | sr_spew("Expanded sample: 0x%.8x.", sample); |
0aba65da UH |
469 | } |
470 | ||
625763e2 BV |
471 | /* |
472 | * the OLS sends its sample buffer backwards. | |
0aba65da UH |
473 | * store it in reverse order here, so we can dump |
474 | * this on the session bus later. | |
475 | */ | |
476 | offset = (devc->limit_samples - devc->num_samples) * 4; | |
477 | for (i = 0; i <= devc->rle_count; i++) { | |
478 | memcpy(devc->raw_sample_buf + offset + (i * 4), | |
479 | devc->sample, 4); | |
480 | } | |
481 | memset(devc->sample, 0, 4); | |
482 | devc->num_bytes = 0; | |
483 | devc->rle_count = 0; | |
484 | } | |
485 | } else { | |
486 | /* | |
487 | * This is the main loop telling us a timeout was reached, or | |
488 | * we've acquired all the samples we asked for -- we're done. | |
489 | * Send the (properly-ordered) buffer to the frontend. | |
490 | */ | |
625763e2 BV |
491 | sr_dbg("Received %d bytes, %d samples, %d decompressed samples.", |
492 | devc->cnt_bytes, devc->cnt_samples, | |
493 | devc->cnt_samples_rle); | |
0aba65da | 494 | if (devc->trigger_at != -1) { |
625763e2 BV |
495 | /* |
496 | * A trigger was set up, so we need to tell the frontend | |
0aba65da UH |
497 | * about it. |
498 | */ | |
499 | if (devc->trigger_at > 0) { | |
625763e2 | 500 | /* There are pre-trigger samples, send those first. */ |
0aba65da UH |
501 | packet.type = SR_DF_LOGIC; |
502 | packet.payload = &logic; | |
503 | logic.length = devc->trigger_at * 4; | |
504 | logic.unitsize = 4; | |
505 | logic.data = devc->raw_sample_buf + | |
506 | (devc->limit_samples - devc->num_samples) * 4; | |
695dc859 | 507 | sr_session_send(sdi, &packet); |
0aba65da UH |
508 | } |
509 | ||
625763e2 | 510 | /* Send the trigger. */ |
0fa71943 | 511 | std_session_send_df_trigger(sdi); |
0aba65da | 512 | |
625763e2 | 513 | /* Send post-trigger samples. */ |
0aba65da UH |
514 | packet.type = SR_DF_LOGIC; |
515 | packet.payload = &logic; | |
516 | logic.length = (devc->num_samples * 4) - (devc->trigger_at * 4); | |
517 | logic.unitsize = 4; | |
518 | logic.data = devc->raw_sample_buf + devc->trigger_at * 4 + | |
519 | (devc->limit_samples - devc->num_samples) * 4; | |
695dc859 | 520 | sr_session_send(sdi, &packet); |
0aba65da UH |
521 | } else { |
522 | /* no trigger was used */ | |
523 | packet.type = SR_DF_LOGIC; | |
524 | packet.payload = &logic; | |
525 | logic.length = devc->num_samples * 4; | |
526 | logic.unitsize = 4; | |
527 | logic.data = devc->raw_sample_buf + | |
528 | (devc->limit_samples - devc->num_samples) * 4; | |
695dc859 | 529 | sr_session_send(sdi, &packet); |
0aba65da UH |
530 | } |
531 | g_free(devc->raw_sample_buf); | |
532 | ||
459a0f26 | 533 | serial_flush(serial); |
0aba65da | 534 | abort_acquisition(sdi); |
0aba65da UH |
535 | } |
536 | ||
537 | return TRUE; | |
538 | } |