]>
Commit | Line | Data |
---|---|---|
6239c175 UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
fc96e6f8 | 5 | * Copyright (C) 2011 Olivier Fauchon <olivier@aixmarseille.com> |
6239c175 UH |
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 2 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, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include <stdlib.h> | |
85b5af06 | 23 | #include <unistd.h> |
6239c175 | 24 | #include <string.h> |
d35aaf02 UH |
25 | #ifdef _WIN32 |
26 | #include <io.h> | |
27 | #include <fcntl.h> | |
28 | #define pipe(fds) _pipe(fds, 4096, _O_BINARY) | |
29 | #endif | |
b7f09cf8 UH |
30 | #include "sigrok.h" |
31 | #include "sigrok-internal.h" | |
6239c175 | 32 | |
c03ed397 | 33 | /* TODO: Number of probes should be configurable. */ |
e15f48c2 | 34 | #define NUM_PROBES 8 |
c03ed397 | 35 | |
e15f48c2 | 36 | #define DEMONAME "Demo device" |
c03ed397 UH |
37 | |
38 | /* The size of chunks to send through the session bus. */ | |
39 | /* TODO: Should be configurable. */ | |
e15f48c2 | 40 | #define BUFSIZE 4096 |
85b5af06 | 41 | |
0d31276b | 42 | /* Supported patterns which we can generate */ |
e15f48c2 | 43 | enum { |
0d31276b UH |
44 | /** |
45 | * Pattern which spells "sigrok" using '0's (with '1's as "background") | |
46 | * when displayed using the 'bits' output format. | |
47 | */ | |
c8f4624d | 48 | PATTERN_SIGROK, |
0d31276b | 49 | |
c03ed397 | 50 | /** Pattern which consists of (pseudo-)random values on all probes. */ |
c8f4624d | 51 | PATTERN_RANDOM, |
0d31276b UH |
52 | |
53 | /** | |
54 | * Pattern which consists of incrementing numbers. | |
55 | * TODO: Better description. | |
56 | */ | |
c8f4624d | 57 | PATTERN_INC, |
c03ed397 UH |
58 | |
59 | /** Pattern where all probes have a low logic state. */ | |
60 | PATTERN_ALL_LOW, | |
61 | ||
62 | /** Pattern where all probes have a high logic state. */ | |
63 | PATTERN_ALL_HIGH, | |
e15f48c2 | 64 | }; |
85b5af06 | 65 | |
29cbfeaf | 66 | /* FIXME: Should not be global. */ |
3d2efd7d | 67 | SR_PRIV GIOChannel *channels[2]; |
d35aaf02 | 68 | |
e15f48c2 BV |
69 | struct databag { |
70 | int pipe_fds[2]; | |
71 | uint8_t sample_generator; | |
72 | uint8_t thread_running; | |
73 | uint64_t samples_counter; | |
bb7ef793 | 74 | int dev_index; |
9c939c51 | 75 | gpointer session_data; |
b9cc3629 | 76 | GTimer *timer; |
e15f48c2 | 77 | }; |
85b5af06 | 78 | |
ffedd0bf | 79 | static int hwcaps[] = { |
5a2326a7 | 80 | SR_HWCAP_LOGIC_ANALYZER, |
bb7ef793 | 81 | SR_HWCAP_DEMO_DEV, |
4bfbf9fc | 82 | SR_HWCAP_SAMPLERATE, |
5a2326a7 UH |
83 | SR_HWCAP_PATTERN_MODE, |
84 | SR_HWCAP_LIMIT_SAMPLES, | |
85 | SR_HWCAP_LIMIT_MSEC, | |
86 | SR_HWCAP_CONTINUOUS, | |
6239c175 UH |
87 | }; |
88 | ||
4bfbf9fc | 89 | static struct sr_samplerates samplerates = { |
c9140419 | 90 | SR_HZ(1), |
59df0c77 | 91 | SR_GHZ(1), |
c9140419 | 92 | SR_HZ(1), |
4bfbf9fc BV |
93 | NULL, |
94 | }; | |
95 | ||
c8f4624d | 96 | static const char *pattern_strings[] = { |
c03ed397 | 97 | "sigrok", |
e15f48c2 BV |
98 | "random", |
99 | "incremental", | |
c03ed397 UH |
100 | "all-low", |
101 | "all-high", | |
02440dd8 | 102 | NULL, |
85b5af06 UH |
103 | }; |
104 | ||
464d12c7 KS |
105 | static const char *probe_names[NUM_PROBES + 1] = { |
106 | "0", | |
107 | "1", | |
108 | "2", | |
109 | "3", | |
110 | "4", | |
111 | "5", | |
112 | "6", | |
113 | "7", | |
114 | NULL, | |
115 | }; | |
116 | ||
c8f4624d | 117 | static uint8_t pattern_sigrok[] = { |
917e0e71 BV |
118 | 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, |
119 | 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, | |
120 | 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00, | |
121 | 0xfe, 0x12, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00, | |
122 | 0x7c, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00, | |
123 | 0xfe, 0x10, 0x28, 0x44, 0x82, 0x00, 0x00, 0x00, | |
124 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
125 | 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
126 | }; | |
127 | ||
d68e2d1a UH |
128 | /* List of struct sr_dev_inst, maintained by opendev()/closedev(). */ |
129 | static GSList *dev_insts = NULL; | |
59df0c77 | 130 | static uint64_t cur_samplerate = SR_KHZ(200); |
b9cc3629 BV |
131 | static uint64_t limit_samples = 0; |
132 | static uint64_t limit_msec = 0; | |
c8f4624d | 133 | static int default_pattern = PATTERN_SIGROK; |
b9cc3629 BV |
134 | static GThread *my_thread; |
135 | static int thread_running; | |
6239c175 | 136 | |
bb7ef793 | 137 | static int hw_stop_acquisition(int dev_index, gpointer session_data); |
6239c175 | 138 | |
bb7ef793 | 139 | static int hw_init(const char *devinfo) |
6239c175 | 140 | { |
d68e2d1a | 141 | struct sr_dev_inst *sdi; |
85b5af06 | 142 | |
e15f48c2 | 143 | /* Avoid compiler warnings. */ |
bb7ef793 | 144 | (void)devinfo; |
85b5af06 | 145 | |
d3683c42 | 146 | sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL); |
c03ed397 | 147 | if (!sdi) { |
d68e2d1a | 148 | sr_err("demo: %s: sr_dev_inst_new failed", __func__); |
85b5af06 | 149 | return 0; |
c03ed397 | 150 | } |
e15f48c2 | 151 | |
d68e2d1a | 152 | dev_insts = g_slist_append(dev_insts, sdi); |
85b5af06 UH |
153 | |
154 | return 1; | |
6239c175 UH |
155 | } |
156 | ||
bb7ef793 | 157 | static int hw_opendev(int dev_index) |
6239c175 | 158 | { |
17e1afcb | 159 | /* Avoid compiler warnings. */ |
bb7ef793 | 160 | (void)dev_index; |
6239c175 UH |
161 | |
162 | /* Nothing needed so far. */ | |
697785d1 | 163 | |
e46b8fb1 | 164 | return SR_OK; |
6239c175 UH |
165 | } |
166 | ||
bb7ef793 | 167 | static int hw_closedev(int dev_index) |
6239c175 | 168 | { |
17e1afcb | 169 | /* Avoid compiler warnings. */ |
bb7ef793 | 170 | (void)dev_index; |
6239c175 UH |
171 | |
172 | /* Nothing needed so far. */ | |
697785d1 UH |
173 | |
174 | return SR_OK; | |
6239c175 UH |
175 | } |
176 | ||
57ab7d9f | 177 | static int hw_cleanup(void) |
6239c175 UH |
178 | { |
179 | /* Nothing needed so far. */ | |
57ab7d9f | 180 | return SR_OK; |
6239c175 UH |
181 | } |
182 | ||
bb7ef793 | 183 | static void *hw_get_dev_info(int dev_index, int dev_info_id) |
6239c175 | 184 | { |
d68e2d1a | 185 | struct sr_dev_inst *sdi; |
85b5af06 UH |
186 | void *info = NULL; |
187 | ||
bb7ef793 | 188 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { |
c03ed397 | 189 | sr_err("demo: %s: sdi was NULL", __func__); |
85b5af06 | 190 | return NULL; |
c03ed397 | 191 | } |
85b5af06 | 192 | |
bb7ef793 | 193 | switch (dev_info_id) { |
1d9a8a5f | 194 | case SR_DI_INST: |
85b5af06 | 195 | info = sdi; |
6239c175 | 196 | break; |
5a2326a7 | 197 | case SR_DI_NUM_PROBES: |
6239c175 UH |
198 | info = GINT_TO_POINTER(NUM_PROBES); |
199 | break; | |
464d12c7 KS |
200 | case SR_DI_PROBE_NAMES: |
201 | info = probe_names; | |
202 | break; | |
4bfbf9fc BV |
203 | case SR_DI_SAMPLERATES: |
204 | info = &samplerates; | |
205 | break; | |
5a2326a7 | 206 | case SR_DI_CUR_SAMPLERATE: |
6239c175 UH |
207 | info = &cur_samplerate; |
208 | break; | |
5a2326a7 | 209 | case SR_DI_PATTERNMODES: |
c8f4624d | 210 | info = &pattern_strings; |
e15f48c2 | 211 | break; |
6239c175 UH |
212 | } |
213 | ||
214 | return info; | |
215 | } | |
216 | ||
bb7ef793 | 217 | static int hw_get_status(int dev_index) |
6239c175 | 218 | { |
17e1afcb | 219 | /* Avoid compiler warnings. */ |
bb7ef793 | 220 | (void)dev_index; |
5096c6a6 | 221 | |
5a2326a7 | 222 | return SR_ST_ACTIVE; |
6239c175 UH |
223 | } |
224 | ||
ffedd0bf | 225 | static int *hw_hwcap_get_all(void) |
6239c175 | 226 | { |
ffedd0bf | 227 | return hwcaps; |
6239c175 UH |
228 | } |
229 | ||
a7d05fcb | 230 | static int hw_config_set(int dev_index, int hwcap, void *value) |
6239c175 UH |
231 | { |
232 | int ret; | |
e15f48c2 | 233 | char *stropt; |
6239c175 | 234 | |
17e1afcb | 235 | /* Avoid compiler warnings. */ |
bb7ef793 | 236 | (void)dev_index; |
6239c175 | 237 | |
ffedd0bf | 238 | if (hwcap == SR_HWCAP_PROBECONFIG) { |
d81d2933 BV |
239 | /* Nothing to do, but must be supported */ |
240 | ret = SR_OK; | |
ffedd0bf | 241 | } else if (hwcap == SR_HWCAP_SAMPLERATE) { |
68c12597 | 242 | cur_samplerate = *(uint64_t *)value; |
6f422264 UH |
243 | sr_dbg("demo: %s: setting samplerate to %" PRIu64, __func__, |
244 | cur_samplerate); | |
e46b8fb1 | 245 | ret = SR_OK; |
ffedd0bf | 246 | } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { |
68c12597 | 247 | limit_samples = *(uint64_t *)value; |
6f422264 UH |
248 | sr_dbg("demo: %s: setting limit_samples to %" PRIu64, __func__, |
249 | limit_samples); | |
e46b8fb1 | 250 | ret = SR_OK; |
ffedd0bf | 251 | } else if (hwcap == SR_HWCAP_LIMIT_MSEC) { |
68c12597 | 252 | limit_msec = *(uint64_t *)value; |
6f422264 UH |
253 | sr_dbg("demo: %s: setting limit_msec to %" PRIu64, __func__, |
254 | limit_msec); | |
e46b8fb1 | 255 | ret = SR_OK; |
ffedd0bf | 256 | } else if (hwcap == SR_HWCAP_PATTERN_MODE) { |
e15f48c2 | 257 | stropt = value; |
c03ed397 UH |
258 | ret = SR_OK; |
259 | if (!strcmp(stropt, "sigrok")) { | |
260 | default_pattern = PATTERN_SIGROK; | |
261 | } else if (!strcmp(stropt, "random")) { | |
c8f4624d | 262 | default_pattern = PATTERN_RANDOM; |
e15f48c2 | 263 | } else if (!strcmp(stropt, "incremental")) { |
c8f4624d | 264 | default_pattern = PATTERN_INC; |
c03ed397 UH |
265 | } else if (!strcmp(stropt, "all-low")) { |
266 | default_pattern = PATTERN_ALL_LOW; | |
267 | } else if (!strcmp(stropt, "all-high")) { | |
268 | default_pattern = PATTERN_ALL_HIGH; | |
e15f48c2 | 269 | } else { |
e46b8fb1 | 270 | ret = SR_ERR; |
e15f48c2 | 271 | } |
c8f4624d UH |
272 | sr_dbg("demo: %s: setting pattern to %d", __func__, |
273 | default_pattern); | |
6239c175 | 274 | } else { |
e46b8fb1 | 275 | ret = SR_ERR; |
6239c175 UH |
276 | } |
277 | ||
278 | return ret; | |
279 | } | |
280 | ||
5096c6a6 | 281 | static void samples_generator(uint8_t *buf, uint64_t size, void *data) |
85b5af06 | 282 | { |
cddd1c5f | 283 | static uint64_t p = 0; |
85b5af06 | 284 | struct databag *mydata = data; |
cddd1c5f | 285 | uint64_t i; |
85b5af06 | 286 | |
c03ed397 | 287 | /* TODO: Needed? */ |
5096c6a6 | 288 | memset(buf, 0, size); |
85b5af06 UH |
289 | |
290 | switch (mydata->sample_generator) { | |
c03ed397 | 291 | case PATTERN_SIGROK: /* sigrok pattern */ |
917e0e71 | 292 | for (i = 0; i < size; i++) { |
c8f4624d | 293 | *(buf + i) = ~(pattern_sigrok[p] >> 1); |
917e0e71 BV |
294 | if (++p == 64) |
295 | p = 0; | |
296 | } | |
297 | break; | |
c8f4624d | 298 | case PATTERN_RANDOM: /* Random */ |
5096c6a6 UH |
299 | for (i = 0; i < size; i++) |
300 | *(buf + i) = (uint8_t)(rand() & 0xff); | |
85b5af06 | 301 | break; |
c8f4624d | 302 | case PATTERN_INC: /* Simple increment */ |
5096c6a6 | 303 | for (i = 0; i < size; i++) |
85b5af06 UH |
304 | *(buf + i) = i; |
305 | break; | |
c03ed397 | 306 | case PATTERN_ALL_LOW: /* All probes are low */ |
5a9660dd | 307 | memset(buf, 0x00, size); |
c03ed397 UH |
308 | break; |
309 | case PATTERN_ALL_HIGH: /* All probes are high */ | |
5a9660dd | 310 | memset(buf, 0xff, size); |
c03ed397 UH |
311 | break; |
312 | default: | |
313 | /* TODO: Error handling. */ | |
314 | break; | |
85b5af06 UH |
315 | } |
316 | } | |
317 | ||
318 | /* Thread function */ | |
319 | static void thread_func(void *data) | |
320 | { | |
321 | struct databag *mydata = data; | |
322 | uint8_t buf[BUFSIZE]; | |
323 | uint64_t nb_to_send = 0; | |
d35aaf02 | 324 | int bytes_written; |
1924f59f HE |
325 | double time_cur, time_last, time_diff; |
326 | ||
327 | time_last = g_timer_elapsed(mydata->timer, NULL); | |
85b5af06 UH |
328 | |
329 | while (thread_running) { | |
1924f59f HE |
330 | /* Rate control */ |
331 | time_cur = g_timer_elapsed(mydata->timer, NULL); | |
332 | ||
333 | time_diff = time_cur - time_last; | |
334 | time_last = time_cur; | |
335 | ||
336 | nb_to_send = cur_samplerate * time_diff; | |
337 | ||
c03ed397 | 338 | if (limit_samples) { |
1924f59f | 339 | nb_to_send = MIN(nb_to_send, |
c03ed397 UH |
340 | limit_samples - mydata->samples_counter); |
341 | } | |
1924f59f HE |
342 | |
343 | /* Make sure we don't overflow. */ | |
344 | nb_to_send = MIN(nb_to_send, BUFSIZE); | |
345 | ||
346 | if (nb_to_send) { | |
347 | samples_generator(buf, nb_to_send, data); | |
348 | mydata->samples_counter += nb_to_send; | |
070befcd BV |
349 | |
350 | g_io_channel_write_chars(channels[1], (gchar *)&buf, | |
c03ed397 | 351 | nb_to_send, (gsize *)&bytes_written, NULL); |
b9cc3629 BV |
352 | } |
353 | ||
1924f59f HE |
354 | /* Check if we're done. */ |
355 | if ((limit_msec && time_cur * 1000 > limit_msec) || | |
356 | (limit_samples && mydata->samples_counter >= limit_samples)) | |
357 | { | |
85b5af06 UH |
358 | close(mydata->pipe_fds[1]); |
359 | thread_running = 0; | |
85b5af06 UH |
360 | } |
361 | ||
1924f59f | 362 | g_usleep(10); |
85b5af06 UH |
363 | } |
364 | } | |
365 | ||
366 | /* Callback handling data */ | |
9c939c51 | 367 | static int receive_data(int fd, int revents, void *session_data) |
85b5af06 | 368 | { |
b9c735a2 | 369 | struct sr_datafeed_packet packet; |
9c939c51 BV |
370 | struct sr_datafeed_logic logic; |
371 | static uint64_t samples_received = 0; | |
372 | unsigned char c[BUFSIZE]; | |
108a5bfb | 373 | gsize z; |
1924f59f | 374 | |
26ce0bbf | 375 | /* Avoid compiler warnings. */ |
cb93f8a9 UH |
376 | (void)fd; |
377 | (void)revents; | |
1924f59f HE |
378 | |
379 | do { | |
380 | g_io_channel_read_chars(channels[0], | |
070befcd | 381 | (gchar *)&c, BUFSIZE, &z, NULL); |
1924f59f HE |
382 | |
383 | if (z > 0) { | |
5a2326a7 | 384 | packet.type = SR_DF_LOGIC; |
9c939c51 | 385 | packet.payload = &logic; |
9c939c51 BV |
386 | logic.length = z; |
387 | logic.unitsize = 1; | |
388 | logic.data = c; | |
389 | sr_session_bus(session_data, &packet); | |
390 | samples_received += z; | |
1924f59f HE |
391 | } |
392 | } while (z > 0); | |
85b5af06 | 393 | |
c03ed397 UH |
394 | if (!thread_running && z <= 0) { |
395 | /* Make sure we don't receive more packets. */ | |
1924f59f | 396 | g_io_channel_close(channels[0]); |
d35aaf02 | 397 | |
1924f59f | 398 | /* Send last packet. */ |
5a2326a7 | 399 | packet.type = SR_DF_END; |
9c939c51 | 400 | sr_session_bus(session_data, &packet); |
1924f59f HE |
401 | |
402 | return FALSE; | |
85b5af06 | 403 | } |
1924f59f | 404 | |
85b5af06 UH |
405 | return TRUE; |
406 | } | |
407 | ||
bb7ef793 | 408 | static int hw_start_acquisition(int dev_index, gpointer session_data) |
6239c175 | 409 | { |
b9c735a2 UH |
410 | struct sr_datafeed_packet *packet; |
411 | struct sr_datafeed_header *header; | |
85b5af06 | 412 | struct databag *mydata; |
6239c175 | 413 | |
27a3a6fe UH |
414 | /* TODO: 'mydata' is never g_free()'d? */ |
415 | if (!(mydata = g_try_malloc(sizeof(struct databag)))) { | |
416 | sr_err("demo: %s: mydata malloc failed", __func__); | |
e46b8fb1 | 417 | return SR_ERR_MALLOC; |
27a3a6fe | 418 | } |
85b5af06 | 419 | |
c8f4624d | 420 | mydata->sample_generator = default_pattern; |
9c939c51 | 421 | mydata->session_data = session_data; |
bb7ef793 | 422 | mydata->dev_index = dev_index; |
85b5af06 | 423 | mydata->samples_counter = 0; |
85b5af06 | 424 | |
c03ed397 UH |
425 | if (pipe(mydata->pipe_fds)) { |
426 | /* TODO: Better error message. */ | |
427 | sr_err("demo: %s: pipe() failed", __func__); | |
e46b8fb1 | 428 | return SR_ERR; |
c03ed397 | 429 | } |
85b5af06 | 430 | |
d35aaf02 UH |
431 | channels[0] = g_io_channel_unix_new(mydata->pipe_fds[0]); |
432 | channels[1] = g_io_channel_unix_new(mydata->pipe_fds[1]); | |
433 | ||
434 | /* Set channel encoding to binary (default is UTF-8). */ | |
435 | g_io_channel_set_encoding(channels[0], NULL, NULL); | |
436 | g_io_channel_set_encoding(channels[1], NULL, NULL); | |
437 | ||
438 | /* Make channels to unbuffered. */ | |
439 | g_io_channel_set_buffered(channels[0], FALSE); | |
440 | g_io_channel_set_buffered(channels[1], FALSE); | |
441 | ||
6f1be0a2 | 442 | sr_source_add(mydata->pipe_fds[0], G_IO_IN | G_IO_ERR, 40, |
9c939c51 | 443 | receive_data, session_data); |
85b5af06 UH |
444 | |
445 | /* Run the demo thread. */ | |
446 | g_thread_init(NULL); | |
c03ed397 | 447 | /* This must to be done between g_thread_init() & g_thread_create(). */ |
1924f59f | 448 | mydata->timer = g_timer_new(); |
85b5af06 UH |
449 | thread_running = 1; |
450 | my_thread = | |
451 | g_thread_create((GThreadFunc)thread_func, mydata, TRUE, NULL); | |
c03ed397 UH |
452 | if (!my_thread) { |
453 | sr_err("demo: %s: g_thread_create failed", __func__); | |
454 | return SR_ERR; /* TODO */ | |
455 | } | |
6239c175 | 456 | |
27a3a6fe UH |
457 | if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) { |
458 | sr_err("demo: %s: packet malloc failed", __func__); | |
e46b8fb1 | 459 | return SR_ERR_MALLOC; |
27a3a6fe UH |
460 | } |
461 | ||
462 | if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) { | |
463 | sr_err("demo: %s: header malloc failed", __func__); | |
464 | return SR_ERR_MALLOC; | |
465 | } | |
6239c175 | 466 | |
5a2326a7 | 467 | packet->type = SR_DF_HEADER; |
9c939c51 | 468 | packet->payload = header; |
6239c175 UH |
469 | header->feed_version = 1; |
470 | gettimeofday(&header->starttime, NULL); | |
471 | header->samplerate = cur_samplerate; | |
c2616fb9 | 472 | header->num_logic_probes = NUM_PROBES; |
9c939c51 | 473 | sr_session_bus(session_data, packet); |
27a3a6fe UH |
474 | g_free(header); |
475 | g_free(packet); | |
6239c175 | 476 | |
e46b8fb1 | 477 | return SR_OK; |
6239c175 UH |
478 | } |
479 | ||
bb7ef793 | 480 | static int hw_stop_acquisition(int dev_index, gpointer session_data) |
6239c175 | 481 | { |
17e1afcb | 482 | /* Avoid compiler warnings. */ |
bb7ef793 | 483 | (void)dev_index; |
cb93f8a9 | 484 | (void)session_data; |
6239c175 | 485 | |
1924f59f HE |
486 | /* Stop generate thread. */ |
487 | thread_running = 0; | |
3010f21c UH |
488 | |
489 | return SR_OK; | |
6239c175 UH |
490 | } |
491 | ||
bb7ef793 | 492 | SR_PRIV struct sr_dev_plugin demo_plugin_info = { |
e519ba86 UH |
493 | .name = "demo", |
494 | .longname = "Demo driver and pattern generator", | |
495 | .api_version = 1, | |
496 | .init = hw_init, | |
497 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
498 | .opendev = hw_opendev, |
499 | .closedev = hw_closedev, | |
bb7ef793 | 500 | .get_dev_info = hw_get_dev_info, |
e519ba86 | 501 | .get_status = hw_get_status, |
ffedd0bf | 502 | .hwcap_get_all = hw_hwcap_get_all, |
a7d05fcb | 503 | .config_set = hw_config_set, |
e519ba86 UH |
504 | .start_acquisition = hw_start_acquisition, |
505 | .stop_acquisition = hw_stop_acquisition, | |
6239c175 | 506 | }; |