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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdint.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <fcntl.h> | |
26 | #include <unistd.h> | |
27 | #include <termios.h> | |
28 | #include <string.h> | |
29 | #include <sys/time.h> | |
30 | #include <inttypes.h> | |
31 | #include <glib.h> | |
32 | #include "sigrok.h" | |
33 | ||
34 | #define NUM_PROBES 32 | |
35 | #define NUM_TRIGGER_STAGES 4 | |
36 | #define TRIGGER_TYPES "01" | |
37 | #define SERIAL_SPEED B115200 | |
38 | /* TODO: SERIAL_ bits, parity, stop bit */ | |
39 | #define CLOCK_RATE 100000000 | |
40 | ||
41 | ||
42 | /* command opcodes */ | |
43 | #define CMD_RESET 0x00 | |
44 | #define CMD_ID 0x02 | |
45 | #define CMD_SET_FLAGS 0x82 | |
46 | #define CMD_SET_DIVIDER 0x80 | |
47 | #define CMD_RUN 0x01 | |
48 | #define CMD_CAPTURE_SIZE 0x81 | |
49 | #define CMD_SET_TRIGGER_MASK_0 0xc0 | |
50 | #define CMD_SET_TRIGGER_MASK_1 0xc4 | |
51 | #define CMD_SET_TRIGGER_MASK_2 0xc8 | |
52 | #define CMD_SET_TRIGGER_MASK_3 0xcc | |
53 | #define CMD_SET_TRIGGER_VALUE_0 0xc1 | |
54 | #define CMD_SET_TRIGGER_VALUE_1 0xc5 | |
55 | #define CMD_SET_TRIGGER_VALUE_2 0xc9 | |
56 | #define CMD_SET_TRIGGER_VALUE_3 0xcd | |
57 | #define CMD_SET_TRIGGER_CONFIG_0 0xc2 | |
58 | #define CMD_SET_TRIGGER_CONFIG_1 0xc6 | |
59 | #define CMD_SET_TRIGGER_CONFIG_2 0xca | |
60 | #define CMD_SET_TRIGGER_CONFIG_3 0xce | |
61 | ||
62 | /* bitmasks for CMD_FLAGS */ | |
63 | #define FLAG_DEMUX 0x01 | |
64 | #define FLAG_FILTER 0x02 | |
65 | #define FLAG_CHANNELGROUP_1 0x04 | |
66 | #define FLAG_CHANNELGROUP_2 0x08 | |
67 | #define FLAG_CHANNELGROUP_3 0x10 | |
68 | #define FLAG_CHANNELGROUP_4 0x20 | |
69 | #define FLAG_CLOCK_EXTERNAL 0x40 | |
70 | #define FLAG_CLOCK_INVERTED 0x80 | |
71 | #define FLAG_RLE 0x0100 | |
72 | ||
73 | ||
74 | static int capabilities[] = { | |
75 | HWCAP_LOGIC_ANALYZER, | |
76 | HWCAP_SAMPLERATE, | |
77 | HWCAP_CAPTURE_RATIO, | |
78 | HWCAP_LIMIT_SAMPLES, | |
79 | 0 | |
80 | }; | |
81 | ||
82 | static struct samplerates samplerates = { | |
83 | 1, | |
84 | MHZ(200), | |
85 | 1, | |
86 | 0 | |
87 | }; | |
88 | ||
89 | /* list of struct serial_device_instance */ | |
90 | static GSList *device_instances = NULL; | |
91 | ||
92 | /* current state of the flag register */ | |
93 | uint32_t flag_reg = 0; | |
94 | ||
95 | static uint64_t cur_samplerate = 0; | |
96 | static uint64_t limit_samples = 0; | |
97 | /* pre/post trigger capture ratio, in percentage. 0 means no pre-trigger data. */ | |
98 | int capture_ratio = 0; | |
99 | static uint32_t probe_mask = 0, trigger_mask[4] = {0}, trigger_value[4] = {0}; | |
100 | ||
101 | ||
102 | ||
103 | int send_shortcommand(int fd, uint8_t command) | |
104 | { | |
105 | char buf[1]; | |
106 | ||
107 | g_message("ols: sending cmd 0x%.2x", command); | |
108 | buf[0] = command; | |
109 | if(write(fd, buf, 1) != 1) | |
e31b636d | 110 | return SIGROK_ERR; |
a1bb33af UH |
111 | |
112 | return SIGROK_OK; | |
113 | } | |
114 | ||
115 | ||
116 | int send_longcommand(int fd, uint8_t command, uint32_t data) | |
117 | { | |
118 | char buf[5]; | |
119 | ||
120 | g_message("ols: sending cmd 0x%.2x data 0x%.8x", command, data); | |
121 | buf[0] = command; | |
122 | buf[1] = data & 0xff; | |
123 | buf[2] = data & 0xff00 >> 8; | |
124 | buf[3] = data & 0xff0000 >> 16; | |
125 | buf[4] = data & 0xff000000 >> 24; | |
126 | if(write(fd, buf, 5) != 5) | |
e31b636d | 127 | return SIGROK_ERR; |
a1bb33af UH |
128 | |
129 | return SIGROK_OK; | |
130 | } | |
131 | ||
132 | static int configure_probes(GSList *probes) | |
133 | { | |
134 | struct probe *probe; | |
135 | GSList *l; | |
136 | int probe_bit, changrp_mask, stage, i; | |
137 | char *tc; | |
138 | ||
139 | probe_mask = 0; | |
140 | for(i = 0; i < NUM_TRIGGER_STAGES; i++) | |
141 | { | |
142 | trigger_mask[i] = 0; | |
143 | trigger_value[i] = 0; | |
144 | } | |
145 | ||
146 | for(l = probes; l; l = l->next) | |
147 | { | |
148 | probe = (struct probe *) l->data; | |
149 | probe_bit = 1 << (probe->index - 1); | |
150 | probe_mask |= probe_bit; | |
151 | if(probe->trigger) | |
152 | { | |
153 | stage = 0; | |
154 | for(tc = probe->trigger; *tc; tc++) | |
155 | { | |
156 | trigger_mask[stage] |= probe_bit; | |
157 | if(*tc == '1') | |
158 | trigger_value[stage] |= probe_bit; | |
159 | stage++; | |
160 | if(stage > 3) | |
161 | { | |
162 | /* only supporting parallel mode, with up to 4 stages */ | |
e31b636d | 163 | return SIGROK_ERR; |
a1bb33af UH |
164 | } |
165 | } | |
166 | } | |
167 | } | |
168 | ||
169 | /* enable/disable channel groups in the flag register according | |
170 | * to the probe mask we just made. The register stores them backwards, | |
171 | * hence shift right from 1000. | |
172 | */ | |
173 | changrp_mask = 0; | |
174 | for(i = 0; i < 4; i++) | |
175 | { | |
176 | if(probe_mask & (0xff << i)) | |
177 | changrp_mask |= 8 >> i; | |
178 | } | |
179 | /* but the flag register wants them here */ | |
180 | flag_reg |= changrp_mask << 2; | |
181 | ||
182 | return SIGROK_OK; | |
183 | } | |
184 | ||
185 | ||
186 | static int hw_init(char *deviceinfo) | |
187 | { | |
188 | struct sigrok_device_instance *sdi; | |
189 | GSList *ports, *l; | |
190 | GPollFD *fds; | |
191 | struct termios term, *prev_termios; | |
192 | int devcnt, final_devcnt, num_ports, fd, i; | |
193 | char buf[8], **device_names; | |
194 | ||
195 | if(deviceinfo) | |
196 | ports = g_slist_append(NULL, g_strdup(deviceinfo)); | |
197 | else | |
198 | /* no specific device given, so scan all serial ports */ | |
199 | ports = list_serial_ports(); | |
200 | ||
201 | num_ports = g_slist_length(ports); | |
202 | fds = g_malloc0(num_ports * sizeof(GPollFD)); | |
203 | device_names = g_malloc(num_ports * (sizeof(char *))); | |
204 | prev_termios = g_malloc(num_ports * sizeof(struct termios)); | |
205 | devcnt = 0; | |
206 | for(l = ports; l; l = l->next) { | |
207 | /* The discovery procedure is like this: first send the Reset command (0x00) 5 times, | |
208 | * since the device could be anywhere in a 5-byte command. Then send the ID command | |
209 | * (0x02). If the device responds with 4 bytes ("OLS1" or "SLA1"), we have a match. | |
210 | * Since it may take the device a while to respond at 115Kb/s, we do all the sending | |
211 | * first, then wait for all of them to respond with g_poll(). | |
212 | */ | |
213 | fd = open(l->data, O_RDWR | O_NONBLOCK); | |
214 | if(fd != -1) { | |
215 | tcgetattr(fd, &prev_termios[devcnt]); | |
216 | tcgetattr(fd, &term); | |
217 | cfsetispeed(&term, SERIAL_SPEED); | |
218 | tcsetattr(fd, TCSADRAIN, &term); | |
219 | memset(buf, CMD_RESET, 5); | |
220 | buf[5] = CMD_ID; | |
221 | if(write(fd, buf, 6) == 6) { | |
222 | fds[devcnt].fd = fd; | |
223 | fds[devcnt].events = G_IO_IN; | |
224 | device_names[devcnt] = l->data; | |
225 | devcnt++; | |
226 | g_message("probed device %s", (char *) l->data); | |
227 | } | |
228 | else { | |
229 | /* restore port settings. of course, we've crapped all over the port. */ | |
230 | tcsetattr(fd, TCSADRAIN, &prev_termios[devcnt]); | |
231 | g_free(l->data); | |
232 | } | |
233 | } | |
234 | } | |
235 | ||
236 | /* 2ms should do it, that's enough time for 28 bytes to go over the bus */ | |
237 | usleep(2000); | |
238 | ||
239 | final_devcnt = 0; | |
240 | g_poll(fds, devcnt, 1); | |
241 | for(i = 0; i < devcnt; i++) { | |
242 | if(fds[i].revents == G_IO_IN) { | |
243 | if(read(fds[i].fd, buf, 4) == 4) { | |
244 | if(!strncmp(buf, "1SLO", 4) || !strncmp(buf, "1ALS", 4)) { | |
245 | if(!strncmp(buf, "1SLO", 4)) | |
246 | sdi = sigrok_device_instance_new(final_devcnt, ST_INACTIVE, | |
247 | "Openbench", "Logic Sniffer", "v1.0"); | |
248 | else | |
249 | sdi = sigrok_device_instance_new(final_devcnt, ST_INACTIVE, | |
250 | "Sump", "Logic Analyzer", "v1.0"); | |
251 | sdi->serial = serial_device_instance_new(device_names[i], -1); | |
252 | device_instances = g_slist_append(device_instances, sdi); | |
253 | final_devcnt++; | |
254 | fds[i].fd = 0; | |
255 | } | |
256 | } | |
257 | } | |
258 | ||
259 | if(fds[i].fd != 0) | |
260 | tcsetattr(fds[i].fd, TCSADRAIN, &prev_termios[i]); | |
261 | close(fds[i].fd); | |
262 | } | |
263 | ||
264 | g_free(fds); | |
265 | g_free(device_names); | |
266 | g_free(prev_termios); | |
267 | g_slist_free(ports); | |
268 | ||
269 | return final_devcnt; | |
270 | } | |
271 | ||
272 | ||
273 | static int hw_opendev(int device_index) | |
274 | { | |
275 | struct sigrok_device_instance *sdi; | |
276 | ||
277 | if(!(sdi = get_sigrok_device_instance(device_instances, device_index))) | |
e31b636d | 278 | return SIGROK_ERR; |
a1bb33af UH |
279 | |
280 | sdi->serial->fd = open(sdi->serial->port, O_RDWR); | |
281 | if(sdi->serial->fd == -1) | |
e31b636d | 282 | return SIGROK_ERR; |
a1bb33af UH |
283 | |
284 | sdi->status = ST_ACTIVE; | |
285 | ||
286 | return SIGROK_OK; | |
287 | } | |
288 | ||
289 | ||
290 | static void hw_closedev(int device_index) | |
291 | { | |
292 | struct sigrok_device_instance *sdi; | |
293 | ||
294 | if(!(sdi = get_sigrok_device_instance(device_instances, device_index))) | |
295 | return; | |
296 | ||
297 | if(sdi->serial->fd != -1) { | |
298 | close(sdi->serial->fd); | |
299 | sdi->serial->fd = -1; | |
300 | sdi->status = ST_INACTIVE; | |
301 | } | |
302 | ||
303 | } | |
304 | ||
305 | ||
306 | static void hw_cleanup(void) | |
307 | { | |
308 | GSList *l; | |
309 | struct sigrok_device_instance *sdi; | |
310 | ||
311 | /* properly close all devices */ | |
312 | for(l = device_instances; l; l = l->next) { | |
313 | sdi = l->data; | |
314 | if(sdi->serial->fd != -1) | |
315 | close(sdi->serial->fd); | |
316 | sigrok_device_instance_free(sdi); | |
317 | } | |
318 | g_slist_free(device_instances); | |
319 | device_instances = NULL; | |
320 | ||
321 | } | |
322 | ||
323 | ||
324 | static void *hw_get_device_info(int device_index, int device_info_id) | |
325 | { | |
326 | struct sigrok_device_instance *sdi; | |
327 | void *info; | |
328 | ||
329 | if( !(sdi = get_sigrok_device_instance(device_instances, device_index)) ) | |
330 | return NULL; | |
331 | ||
332 | info = NULL; | |
333 | switch(device_info_id) | |
334 | { | |
335 | case DI_INSTANCE: | |
336 | info = sdi; | |
337 | break; | |
338 | case DI_NUM_PROBES: | |
339 | info = GINT_TO_POINTER(NUM_PROBES); | |
340 | break; | |
341 | case DI_SAMPLERATES: | |
342 | info = &samplerates; | |
343 | break; | |
344 | case DI_TRIGGER_TYPES: | |
345 | info = (char *) TRIGGER_TYPES; | |
346 | break; | |
4c100f32 | 347 | case DI_CUR_SAMPLERATE: |
a1bb33af UH |
348 | info = &cur_samplerate; |
349 | break; | |
350 | } | |
351 | ||
352 | return info; | |
353 | } | |
354 | ||
355 | ||
356 | static int hw_get_status(int device_index) | |
357 | { | |
358 | struct sigrok_device_instance *sdi; | |
359 | ||
360 | if(!(sdi = get_sigrok_device_instance(device_instances, device_index))) | |
361 | return ST_NOT_FOUND; | |
362 | ||
363 | return sdi->status; | |
364 | } | |
365 | ||
366 | ||
367 | static int *hw_get_capabilities(void) | |
368 | { | |
369 | ||
370 | return capabilities; | |
371 | } | |
372 | ||
373 | ||
374 | static int set_configuration_samplerate(struct sigrok_device_instance *sdi, uint64_t samplerate) | |
375 | { | |
376 | uint32_t divider; | |
377 | ||
378 | if(samplerate < samplerates.low || samplerate > samplerates.high) | |
e31b636d | 379 | return SIGROK_ERR_SAMPLERATE; |
a1bb33af UH |
380 | |
381 | if(samplerate > CLOCK_RATE) { | |
382 | flag_reg |= FLAG_DEMUX; | |
383 | divider = (uint8_t) (CLOCK_RATE * 2 / samplerate) - 1; | |
384 | } | |
385 | else { | |
386 | flag_reg &= FLAG_DEMUX; | |
387 | divider = (uint8_t) (CLOCK_RATE / samplerate) - 1; | |
388 | } | |
389 | divider <<= 8; | |
390 | ||
391 | g_message("setting samplerate to %"PRIu64" Hz (divider %u, demux %s)", samplerate, divider, | |
392 | flag_reg & FLAG_DEMUX ? "on" : "off"); | |
393 | if(send_longcommand(sdi->serial->fd, CMD_SET_DIVIDER, divider) != SIGROK_OK) | |
e31b636d | 394 | return SIGROK_ERR; |
a1bb33af UH |
395 | cur_samplerate = samplerate; |
396 | ||
397 | return SIGROK_OK; | |
398 | } | |
399 | ||
400 | ||
401 | static int hw_set_configuration(int device_index, int capability, void *value) | |
402 | { | |
403 | struct sigrok_device_instance *sdi; | |
404 | int ret; | |
405 | uint64_t *tmp_u64; | |
406 | ||
407 | if(!(sdi = get_sigrok_device_instance(device_instances, device_index))) | |
e31b636d | 408 | return SIGROK_ERR; |
a1bb33af UH |
409 | |
410 | if(sdi->status != ST_ACTIVE) | |
e31b636d | 411 | return SIGROK_ERR; |
a1bb33af UH |
412 | |
413 | if(capability == HWCAP_SAMPLERATE) { | |
414 | tmp_u64 = value; | |
415 | ret = set_configuration_samplerate(sdi, *tmp_u64); | |
416 | } | |
417 | else if(capability == HWCAP_PROBECONFIG) | |
418 | ret = configure_probes( (GSList *) value); | |
419 | else if(capability == HWCAP_LIMIT_SAMPLES) { | |
420 | limit_samples = strtoull(value, NULL, 10); | |
421 | ret = SIGROK_OK; | |
422 | } | |
423 | else if(capability == HWCAP_CAPTURE_RATIO) { | |
424 | capture_ratio = strtol(value, NULL, 10); | |
425 | if(capture_ratio < 0 || capture_ratio > 100) { | |
426 | capture_ratio = 0; | |
e31b636d | 427 | ret = SIGROK_ERR; |
a1bb33af UH |
428 | } |
429 | else | |
430 | ret = SIGROK_OK; | |
431 | } | |
432 | else | |
e31b636d | 433 | ret = SIGROK_ERR; |
a1bb33af UH |
434 | |
435 | return ret; | |
436 | } | |
437 | ||
438 | ||
439 | static int receive_data(int fd, int revents, void *user_data) | |
440 | { | |
441 | static int num_transfers = 0; | |
442 | static int num_bytes = 0; | |
443 | static char last_sample[4] = {0xff}; | |
444 | static unsigned char sample[4]; | |
445 | int count, buflen, i; | |
446 | struct datafeed_packet packet; | |
447 | unsigned char byte, *buffer; | |
448 | ||
449 | if(num_transfers++ == 0) { | |
450 | /* first time round, means the device started sending data, and will not | |
451 | * stop until done. if it stops sending for longer than it takes to send | |
452 | * a byte, that means it's finished. we'll double that to 30ms to be sure... | |
453 | */ | |
454 | source_remove(fd); | |
455 | source_add(fd, G_IO_IN, 30, receive_data, user_data); | |
456 | } | |
457 | ||
458 | /* TODO: / 4 depends on # of channels used */ | |
459 | if(revents == G_IO_IN && num_transfers / 4 <= limit_samples){ | |
460 | if(read(fd, &byte, 1) != 1) | |
461 | return FALSE; | |
462 | ||
463 | sample[num_bytes++] = byte; | |
464 | if(num_bytes == 4) { | |
465 | g_message("got sample 0x%.2x%.2x%.2x%.2x", sample[3], sample[2], sample[1], sample[0]); | |
466 | /* got a full sample */ | |
467 | if(flag_reg & FLAG_RLE) { | |
468 | /* in RLE mode -1 should never come in as a sample, because | |
469 | * bit 31 is the "count" flag */ | |
470 | /* TODO: endianness may be wrong here, could be sample[3] */ | |
471 | if(sample[0] & 0x80 && !(last_sample[0] & 0x80)) { | |
472 | count = (int) (*sample) & 0x7fffffff; | |
473 | buffer = g_malloc(count); | |
474 | buflen = 0; | |
475 | for(i = 0; i < count; i++) | |
476 | { | |
477 | memcpy(buffer + buflen , last_sample, 4); | |
478 | buflen += 4; | |
479 | } | |
480 | } | |
481 | else { | |
482 | /* just a single sample, next sample will probably be a count | |
483 | * referring to this -- but this one is still a part of the stream | |
484 | */ | |
485 | buffer = sample; | |
486 | buflen = 4; | |
487 | } | |
488 | } | |
489 | else { | |
490 | /* no compression */ | |
491 | buffer = sample; | |
492 | buflen = 4; | |
493 | } | |
494 | ||
495 | /* send it all to the session bus */ | |
496 | packet.type = DF_LOGIC32; | |
497 | packet.length = buflen; | |
498 | packet.payload = buffer; | |
499 | session_bus(user_data, &packet); | |
500 | if(buffer == sample) | |
501 | memcpy(last_sample, buffer, 4); | |
502 | else | |
503 | g_free(buffer); | |
504 | ||
505 | num_bytes = 0; | |
506 | } | |
507 | } | |
508 | else { | |
509 | /* this is the main loop telling us a timeout was reached -- we're done */ | |
510 | tcflush(fd, TCIOFLUSH); | |
511 | close(fd); | |
512 | packet.type = DF_END; | |
513 | packet.length = 0; | |
514 | session_bus(user_data, &packet); | |
515 | } | |
516 | ||
517 | return TRUE; | |
518 | } | |
519 | ||
520 | ||
521 | static int hw_start_acquisition(int device_index, gpointer session_device_id) | |
522 | { | |
523 | struct datafeed_packet *packet; | |
524 | struct datafeed_header *header; | |
525 | struct sigrok_device_instance *sdi; | |
526 | uint32_t data; | |
527 | ||
528 | if(!(sdi = get_sigrok_device_instance(device_instances, device_index))) | |
e31b636d | 529 | return SIGROK_ERR; |
a1bb33af UH |
530 | |
531 | if(sdi->status != ST_ACTIVE) | |
e31b636d | 532 | return SIGROK_ERR; |
a1bb33af UH |
533 | |
534 | /* reset again */ | |
535 | if(send_longcommand(sdi->serial->fd, CMD_RESET, 0) != SIGROK_OK) | |
e31b636d | 536 | return SIGROK_ERR; |
a1bb33af UH |
537 | |
538 | /* send flag register */ | |
539 | data = flag_reg << 24; | |
540 | if(send_longcommand(sdi->serial->fd, CMD_SET_FLAGS, data) != SIGROK_OK) | |
e31b636d | 541 | return SIGROK_ERR; |
a1bb33af UH |
542 | |
543 | /* send sample limit and pre/post-trigger capture ratio */ | |
544 | data = limit_samples / 4 << 16; | |
545 | if(capture_ratio) | |
546 | data |= (limit_samples - (limit_samples / 100 * capture_ratio)) / 4; | |
547 | data = 0x00190019; | |
548 | if(send_longcommand(sdi->serial->fd, CMD_CAPTURE_SIZE, data) != SIGROK_OK) | |
e31b636d | 549 | return SIGROK_ERR; |
a1bb33af UH |
550 | |
551 | /* trigger masks */ | |
552 | if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_0, trigger_mask[0]) != SIGROK_OK) | |
e31b636d | 553 | return SIGROK_ERR; |
a1bb33af | 554 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_1, trigger_mask[1]) != SIGROK_OK) |
e31b636d | 555 | // return SIGROK_ERR; |
a1bb33af | 556 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_2, trigger_mask[2]) != SIGROK_OK) |
e31b636d | 557 | // return SIGROK_ERR; |
a1bb33af | 558 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_MASK_3, trigger_mask[3]) != SIGROK_OK) |
e31b636d | 559 | // return SIGROK_ERR; |
a1bb33af UH |
560 | |
561 | if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_0, trigger_value[0]) != SIGROK_OK) | |
e31b636d | 562 | return SIGROK_ERR; |
a1bb33af | 563 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_1, trigger_value[1]) != SIGROK_OK) |
e31b636d | 564 | // return SIGROK_ERR; |
a1bb33af | 565 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_2, trigger_value[2]) != SIGROK_OK) |
e31b636d | 566 | // return SIGROK_ERR; |
a1bb33af | 567 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_VALUE_3, trigger_value[3]) != SIGROK_OK) |
e31b636d | 568 | // return SIGROK_ERR; |
a1bb33af UH |
569 | |
570 | /* trigger configuration */ | |
571 | /* TODO: the start flag should only be on the last used stage I think... */ | |
572 | if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_0, 0x00000008) != SIGROK_OK) | |
e31b636d | 573 | return SIGROK_ERR; |
a1bb33af | 574 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_1, 0x00000000) != SIGROK_OK) |
e31b636d | 575 | // return SIGROK_ERR; |
a1bb33af | 576 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_2, 0x00000000) != SIGROK_OK) |
e31b636d | 577 | // return SIGROK_ERR; |
a1bb33af | 578 | // if(send_longcommand(sdi->serial->fd, CMD_SET_TRIGGER_CONFIG_3, 0x00000000) != SIGROK_OK) |
e31b636d | 579 | // return SIGROK_ERR; |
a1bb33af UH |
580 | |
581 | set_configuration_samplerate(sdi, cur_samplerate); | |
582 | ||
583 | /* start acquisition on the device */ | |
584 | if(send_shortcommand(sdi->serial->fd, CMD_RUN) != SIGROK_OK) | |
e31b636d | 585 | return SIGROK_ERR; |
a1bb33af UH |
586 | |
587 | source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, session_device_id); | |
588 | ||
589 | /* send header packet to the session bus */ | |
590 | packet = g_malloc(sizeof(struct datafeed_packet)); | |
591 | header = g_malloc(sizeof(struct datafeed_header)); | |
592 | if(!packet || !header) | |
e31b636d | 593 | return SIGROK_ERR; |
a1bb33af UH |
594 | packet->type = DF_HEADER; |
595 | packet->length = sizeof(struct datafeed_header); | |
596 | packet->payload = (unsigned char *) header; | |
597 | header->feed_version = 1; | |
598 | gettimeofday(&header->starttime, NULL); | |
4c100f32 | 599 | header->samplerate = cur_samplerate; |
a1bb33af UH |
600 | header->protocol_id = PROTO_RAW; |
601 | header->num_probes = NUM_PROBES; | |
602 | session_bus(session_device_id, packet); | |
603 | g_free(header); | |
604 | g_free(packet); | |
605 | ||
606 | return SIGROK_OK; | |
607 | } | |
608 | ||
609 | ||
610 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) | |
611 | { | |
612 | struct datafeed_packet packet; | |
613 | ||
614 | packet.type = DF_END; | |
615 | packet.length = 0; | |
616 | session_bus(session_device_id, &packet); | |
617 | ||
618 | } | |
619 | ||
620 | ||
621 | ||
622 | struct device_plugin ols_plugin_info = { | |
623 | "sump", | |
624 | 1, | |
625 | hw_init, | |
626 | hw_cleanup, | |
627 | ||
628 | hw_opendev, | |
629 | hw_closedev, | |
630 | hw_get_device_info, | |
631 | hw_get_status, | |
632 | hw_get_capabilities, | |
633 | hw_set_configuration, | |
634 | hw_start_acquisition, | |
635 | hw_stop_acquisition | |
636 | }; | |
637 |