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6239c175 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
6239c175 UH |
3 | * |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
fc96e6f8 | 5 | * Copyright (C) 2011 Olivier Fauchon <olivier@aixmarseille.com> |
c216d623 | 6 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> |
6239c175 UH |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | #include <stdlib.h> | |
85b5af06 | 24 | #include <unistd.h> |
6239c175 | 25 | #include <string.h> |
d35aaf02 UH |
26 | #ifdef _WIN32 |
27 | #include <io.h> | |
28 | #include <fcntl.h> | |
29 | #define pipe(fds) _pipe(fds, 4096, _O_BINARY) | |
30 | #endif | |
45c59c8b BV |
31 | #include "libsigrok.h" |
32 | #include "libsigrok-internal.h" | |
6239c175 | 33 | |
3544f848 | 34 | #define LOG_PREFIX "demo" |
92bcedf6 | 35 | |
c03ed397 | 36 | /* TODO: Number of probes should be configurable. */ |
61c39f54 | 37 | #define NUM_PROBES 8 |
c03ed397 UH |
38 | |
39 | /* The size of chunks to send through the session bus. */ | |
40 | /* TODO: Should be configurable. */ | |
61c39f54 | 41 | #define LOGIC_BUFSIZE 4096 |
2474d87e | 42 | |
61c39f54 | 43 | /* Patterns we can generate */ |
e15f48c2 | 44 | enum { |
0d31276b | 45 | /** |
61c39f54 BV |
46 | * Spells "sigrok" across 8 probes using '0's (with '1's as |
47 | * "background") when displayed using the 'bits' output format. | |
0d31276b | 48 | */ |
c8f4624d | 49 | PATTERN_SIGROK, |
0d31276b | 50 | |
61c39f54 | 51 | /** Pseudo-)random values on all probes. */ |
c8f4624d | 52 | PATTERN_RANDOM, |
0d31276b UH |
53 | |
54 | /** | |
61c39f54 | 55 | * Incrementing number across all probes. |
0d31276b | 56 | */ |
c8f4624d | 57 | PATTERN_INC, |
c03ed397 | 58 | |
61c39f54 | 59 | /** All probes have a low logic state. */ |
c03ed397 UH |
60 | PATTERN_ALL_LOW, |
61 | ||
61c39f54 | 62 | /** All probes have a high logic state. */ |
c03ed397 | 63 | PATTERN_ALL_HIGH, |
e15f48c2 | 64 | }; |
85b5af06 | 65 | |
61c39f54 BV |
66 | static const char *pattern_strings[] = { |
67 | "sigrok", | |
68 | "random", | |
69 | "incremental", | |
70 | "all-low", | |
71 | "all-high", | |
72 | }; | |
73 | ||
b4750a3a BV |
74 | /* Private, per-device-instance driver context. */ |
75 | struct dev_context { | |
e15f48c2 | 76 | int pipe_fds[2]; |
e0532047 | 77 | GIOChannel *channel; |
a7684294 JH |
78 | uint64_t cur_samplerate; |
79 | uint64_t limit_samples; | |
80 | uint64_t limit_msec; | |
e15f48c2 | 81 | uint8_t sample_generator; |
e15f48c2 | 82 | uint64_t samples_counter; |
3e9b7f9c | 83 | void *cb_data; |
3b203673 | 84 | int64_t starttime; |
61c39f54 BV |
85 | unsigned char logic_data[LOGIC_BUFSIZE]; |
86 | uint64_t step; | |
e15f48c2 | 87 | }; |
85b5af06 | 88 | |
915f7cc8 | 89 | static const int hwcaps[] = { |
1953564a BV |
90 | SR_CONF_LOGIC_ANALYZER, |
91 | SR_CONF_DEMO_DEV, | |
92 | SR_CONF_SAMPLERATE, | |
93 | SR_CONF_PATTERN_MODE, | |
94 | SR_CONF_LIMIT_SAMPLES, | |
95 | SR_CONF_LIMIT_MSEC, | |
96 | SR_CONF_CONTINUOUS, | |
6239c175 UH |
97 | }; |
98 | ||
d00088ca BV |
99 | static const uint64_t samplerates[] = { |
100 | SR_HZ(1), | |
101 | SR_GHZ(1), | |
102 | SR_HZ(1), | |
4bfbf9fc BV |
103 | }; |
104 | ||
c8f4624d | 105 | static uint8_t pattern_sigrok[] = { |
917e0e71 BV |
106 | 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, |
107 | 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, | |
108 | 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00, | |
109 | 0xfe, 0x12, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00, | |
110 | 0x7c, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00, | |
111 | 0xfe, 0x10, 0x28, 0x44, 0x82, 0x00, 0x00, 0x00, | |
112 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
113 | 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
114 | }; | |
115 | ||
ea9cfed7 UH |
116 | /* Private, per-device-instance driver context. */ |
117 | /* TODO: struct context as with the other drivers. */ | |
118 | ||
e7eb703f | 119 | /* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ |
dcf03d6d | 120 | SR_PRIV struct sr_dev_driver demo_driver_info; |
a873c594 | 121 | static struct sr_dev_driver *di = &demo_driver_info; |
6239c175 | 122 | |
6078d2c9 | 123 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
6239c175 | 124 | |
3b412e3a | 125 | static int dev_clear(void) |
eebb6067 | 126 | { |
1c2d542d | 127 | return std_dev_clear(di, NULL); |
eebb6067 UH |
128 | } |
129 | ||
6078d2c9 | 130 | static int init(struct sr_context *sr_ctx) |
61136ea6 | 131 | { |
f6beaac5 | 132 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
133 | } |
134 | ||
6078d2c9 | 135 | static GSList *scan(GSList *options) |
6239c175 | 136 | { |
d68e2d1a | 137 | struct sr_dev_inst *sdi; |
87ca93c5 | 138 | struct sr_probe *probe; |
b4750a3a | 139 | struct drv_context *drvc; |
33ef7573 | 140 | struct dev_context *devc; |
067d0716 | 141 | GSList *devices; |
87ca93c5 | 142 | int i; |
61c39f54 | 143 | char probe_name[16]; |
067d0716 BV |
144 | |
145 | (void)options; | |
64d33dc2 | 146 | |
a873c594 | 147 | drvc = di->priv; |
4b97c74e | 148 | |
067d0716 | 149 | devices = NULL; |
85b5af06 | 150 | |
61c39f54 | 151 | sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, "Demo device", NULL, NULL); |
c03ed397 | 152 | if (!sdi) { |
e45ad6e2 UH |
153 | sr_err("Device instance creation failed."); |
154 | return NULL; | |
c03ed397 | 155 | } |
a873c594 | 156 | sdi->driver = di; |
e15f48c2 | 157 | |
61c39f54 BV |
158 | for (i = 0; i < NUM_PROBES; i++) { |
159 | sprintf(probe_name, "D%d", i); | |
160 | if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, probe_name))) | |
87ca93c5 BV |
161 | return NULL; |
162 | sdi->probes = g_slist_append(sdi->probes, probe); | |
163 | } | |
164 | ||
067d0716 | 165 | devices = g_slist_append(devices, sdi); |
b4750a3a | 166 | drvc->instances = g_slist_append(drvc->instances, sdi); |
85b5af06 | 167 | |
33ef7573 | 168 | if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { |
e45ad6e2 UH |
169 | sr_err("Device context malloc failed."); |
170 | return NULL; | |
33ef7573 JH |
171 | } |
172 | ||
a7684294 JH |
173 | devc->cur_samplerate = SR_KHZ(200); |
174 | devc->limit_samples = 0; | |
175 | devc->limit_msec = 0; | |
176 | devc->sample_generator = PATTERN_SIGROK; | |
61c39f54 | 177 | devc->step =0; |
33ef7573 JH |
178 | |
179 | sdi->priv = devc; | |
180 | ||
067d0716 | 181 | return devices; |
6239c175 UH |
182 | } |
183 | ||
6078d2c9 | 184 | static GSList *dev_list(void) |
811deee4 | 185 | { |
0e94d524 | 186 | return ((struct drv_context *)(di->priv))->instances; |
811deee4 BV |
187 | } |
188 | ||
6078d2c9 | 189 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 190 | { |
e73ffd42 | 191 | sdi->status = SR_ST_ACTIVE; |
697785d1 | 192 | |
e46b8fb1 | 193 | return SR_OK; |
6239c175 UH |
194 | } |
195 | ||
6078d2c9 | 196 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 197 | { |
decfe89d | 198 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
199 | |
200 | return SR_OK; | |
6239c175 UH |
201 | } |
202 | ||
6078d2c9 | 203 | static int cleanup(void) |
6239c175 | 204 | { |
1c2d542d | 205 | return dev_clear(); |
6239c175 UH |
206 | } |
207 | ||
8f996b89 ML |
208 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, |
209 | const struct sr_probe_group *probe_group) | |
6239c175 | 210 | { |
a7684294 | 211 | struct dev_context *const devc = sdi->priv; |
6f57fd96 | 212 | |
8f996b89 ML |
213 | (void)probe_group; |
214 | ||
035a1078 | 215 | switch (id) { |
123e1313 | 216 | case SR_CONF_SAMPLERATE: |
a7684294 | 217 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 218 | break; |
2474d87e | 219 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 220 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
221 | break; |
222 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 223 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e BV |
224 | break; |
225 | case SR_CONF_PATTERN_MODE: | |
61c39f54 | 226 | *data = g_variant_new_string(pattern_strings[devc->sample_generator]); |
2474d87e | 227 | break; |
7dfcf010 | 228 | default: |
bd6fbf62 | 229 | return SR_ERR_NA; |
6239c175 UH |
230 | } |
231 | ||
dfb0fa1a | 232 | return SR_OK; |
6239c175 UH |
233 | } |
234 | ||
8f996b89 ML |
235 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, |
236 | const struct sr_probe_group *probe_group) | |
6239c175 | 237 | { |
61c39f54 | 238 | unsigned int i; |
6239c175 | 239 | int ret; |
1b79df2f | 240 | const char *stropt; |
6239c175 | 241 | |
8f996b89 | 242 | (void)probe_group; |
a7684294 | 243 | struct dev_context *const devc = sdi->priv; |
6239c175 | 244 | |
e73ffd42 BV |
245 | if (sdi->status != SR_ST_ACTIVE) |
246 | return SR_ERR_DEV_CLOSED; | |
247 | ||
035a1078 | 248 | if (id == SR_CONF_SAMPLERATE) { |
a7684294 | 249 | devc->cur_samplerate = g_variant_get_uint64(data); |
61c39f54 | 250 | sr_dbg("Setting samplerate to %" PRIu64, devc->cur_samplerate); |
e46b8fb1 | 251 | ret = SR_OK; |
035a1078 | 252 | } else if (id == SR_CONF_LIMIT_SAMPLES) { |
a7684294 JH |
253 | devc->limit_msec = 0; |
254 | devc->limit_samples = g_variant_get_uint64(data); | |
61c39f54 | 255 | sr_dbg("Setting limit_samples to %" PRIu64, devc->limit_samples); |
e46b8fb1 | 256 | ret = SR_OK; |
035a1078 | 257 | } else if (id == SR_CONF_LIMIT_MSEC) { |
a7684294 JH |
258 | devc->limit_msec = g_variant_get_uint64(data); |
259 | devc->limit_samples = 0; | |
61c39f54 | 260 | sr_dbg("Setting limit_msec to %" PRIu64, devc->limit_msec); |
e46b8fb1 | 261 | ret = SR_OK; |
035a1078 | 262 | } else if (id == SR_CONF_PATTERN_MODE) { |
d00088ca | 263 | stropt = g_variant_get_string(data, NULL); |
61c39f54 BV |
264 | ret = SR_ERR; |
265 | for (i = 0; i < ARRAY_SIZE(pattern_strings); i++) { | |
266 | if (!strcmp(stropt, pattern_strings[i])) { | |
267 | devc->sample_generator = i; | |
268 | ret = SR_OK; | |
269 | break; | |
270 | } | |
e15f48c2 | 271 | } |
61c39f54 BV |
272 | /* Might as well do this now. */ |
273 | if (i == PATTERN_ALL_LOW) | |
274 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
275 | else if (i == PATTERN_ALL_HIGH) | |
276 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
277 | sr_dbg("Setting pattern to %s", pattern_strings[i]); | |
6239c175 | 278 | } else { |
bd6fbf62 | 279 | ret = SR_ERR_NA; |
6239c175 UH |
280 | } |
281 | ||
282 | return ret; | |
283 | } | |
284 | ||
8f996b89 ML |
285 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, |
286 | const struct sr_probe_group *probe_group) | |
a1c743fc | 287 | { |
d00088ca BV |
288 | GVariant *gvar; |
289 | GVariantBuilder gvb; | |
a1c743fc BV |
290 | |
291 | (void)sdi; | |
8f996b89 | 292 | (void)probe_group; |
a1c743fc BV |
293 | |
294 | switch (key) { | |
9a6517d1 | 295 | case SR_CONF_DEVICE_OPTIONS: |
d00088ca BV |
296 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
297 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 298 | break; |
a1c743fc | 299 | case SR_CONF_SAMPLERATE: |
d00088ca BV |
300 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
301 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
302 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
303 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
304 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 305 | break; |
dd96ea98 | 306 | case SR_CONF_PATTERN_MODE: |
d00088ca | 307 | *data = g_variant_new_strv(pattern_strings, ARRAY_SIZE(pattern_strings)); |
dd96ea98 | 308 | break; |
a1c743fc | 309 | default: |
bd6fbf62 | 310 | return SR_ERR_NA; |
a1c743fc BV |
311 | } |
312 | ||
313 | return SR_OK; | |
314 | } | |
315 | ||
61c39f54 | 316 | static void sample_generator(struct sr_dev_inst *sdi, uint64_t size) |
85b5af06 | 317 | { |
61c39f54 | 318 | struct dev_context *devc; |
cddd1c5f | 319 | uint64_t i; |
85b5af06 | 320 | |
61c39f54 | 321 | devc = sdi->priv; |
85b5af06 | 322 | |
b4750a3a | 323 | switch (devc->sample_generator) { |
61c39f54 | 324 | case PATTERN_SIGROK: |
917e0e71 | 325 | for (i = 0; i < size; i++) { |
61c39f54 BV |
326 | devc->logic_data[i] = ~(pattern_sigrok[ |
327 | devc->step++ % sizeof(pattern_sigrok)] >> 1); | |
917e0e71 BV |
328 | } |
329 | break; | |
61c39f54 | 330 | case PATTERN_RANDOM: |
5096c6a6 | 331 | for (i = 0; i < size; i++) |
61c39f54 | 332 | devc->logic_data[i] = (uint8_t)(rand() & 0xff); |
85b5af06 | 333 | break; |
61c39f54 | 334 | case PATTERN_INC: |
5096c6a6 | 335 | for (i = 0; i < size; i++) |
61c39f54 | 336 | devc->logic_data[i] = devc->step++; |
c03ed397 | 337 | break; |
61c39f54 BV |
338 | case PATTERN_ALL_LOW: |
339 | case PATTERN_ALL_HIGH: | |
340 | /* These were set when the pattern mode was selected. */ | |
c03ed397 UH |
341 | break; |
342 | default: | |
92bcedf6 | 343 | sr_err("Unknown pattern: %d.", devc->sample_generator); |
c03ed397 | 344 | break; |
85b5af06 UH |
345 | } |
346 | } | |
347 | ||
85b5af06 | 348 | /* Callback handling data */ |
61c39f54 | 349 | static int prepare_data(int fd, int revents, void *cb_data) |
85b5af06 | 350 | { |
61c39f54 BV |
351 | struct sr_dev_inst *sdi; |
352 | struct dev_context *devc; | |
b9c735a2 | 353 | struct sr_datafeed_packet packet; |
9c939c51 | 354 | struct sr_datafeed_logic logic; |
3b203673 AG |
355 | static uint64_t samples_to_send, expected_samplenum, sending_now; |
356 | int64_t time, elapsed; | |
1924f59f | 357 | |
cb93f8a9 UH |
358 | (void)fd; |
359 | (void)revents; | |
1924f59f | 360 | |
61c39f54 BV |
361 | sdi = cb_data; |
362 | devc = sdi->priv; | |
363 | ||
3b203673 AG |
364 | /* How many "virtual" samples should we have collected by now? */ |
365 | time = g_get_monotonic_time(); | |
366 | elapsed = time - devc->starttime; | |
a7684294 | 367 | expected_samplenum = elapsed * devc->cur_samplerate / 1000000; |
3b203673 AG |
368 | /* Of those, how many do we still have to send? */ |
369 | samples_to_send = expected_samplenum - devc->samples_counter; | |
370 | ||
a7684294 | 371 | if (devc->limit_samples) { |
3b203673 | 372 | samples_to_send = MIN(samples_to_send, |
a7684294 | 373 | devc->limit_samples - devc->samples_counter); |
3b203673 | 374 | } |
85b5af06 | 375 | |
3b203673 | 376 | while (samples_to_send > 0) { |
61c39f54 | 377 | sending_now = MIN(samples_to_send, LOGIC_BUFSIZE); |
3b203673 | 378 | samples_to_send -= sending_now; |
61c39f54 | 379 | sample_generator(sdi, sending_now); |
3b203673 AG |
380 | |
381 | packet.type = SR_DF_LOGIC; | |
382 | packet.payload = &logic; | |
383 | logic.length = sending_now; | |
384 | logic.unitsize = 1; | |
61c39f54 | 385 | logic.data = devc->logic_data; |
3e9b7f9c | 386 | sr_session_send(devc->cb_data, &packet); |
3b203673 AG |
387 | devc->samples_counter += sending_now; |
388 | } | |
389 | ||
a7684294 JH |
390 | if (devc->limit_samples && |
391 | devc->samples_counter >= devc->limit_samples) { | |
35e199da | 392 | sr_info("Requested number of samples reached."); |
61c39f54 | 393 | dev_acquisition_stop(sdi, cb_data); |
c216d623 | 394 | return TRUE; |
85b5af06 | 395 | } |
1924f59f | 396 | |
85b5af06 UH |
397 | return TRUE; |
398 | } | |
399 | ||
6078d2c9 | 400 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
6239c175 | 401 | { |
61c39f54 | 402 | struct dev_context *devc; |
85b5af06 | 403 | |
e73ffd42 BV |
404 | if (sdi->status != SR_ST_ACTIVE) |
405 | return SR_ERR_DEV_CLOSED; | |
406 | ||
61c39f54 | 407 | devc = sdi->priv; |
3e9b7f9c | 408 | devc->cb_data = cb_data; |
b4750a3a | 409 | devc->samples_counter = 0; |
85b5af06 | 410 | |
3b203673 AG |
411 | /* |
412 | * Setting two channels connected by a pipe is a remnant from when the | |
413 | * demo driver generated data in a thread, and collected and sent the | |
414 | * data in the main program loop. | |
415 | * They are kept here because it provides a convenient way of setting | |
416 | * up a timeout-based polling mechanism. | |
417 | */ | |
b4750a3a | 418 | if (pipe(devc->pipe_fds)) { |
92bcedf6 | 419 | sr_err("%s: pipe() failed", __func__); |
e46b8fb1 | 420 | return SR_ERR; |
c03ed397 | 421 | } |
85b5af06 | 422 | |
e0532047 | 423 | devc->channel = g_io_channel_unix_new(devc->pipe_fds[0]); |
d35aaf02 | 424 | |
e0532047 | 425 | g_io_channel_set_flags(devc->channel, G_IO_FLAG_NONBLOCK, NULL); |
e6e8f8e0 | 426 | |
d35aaf02 | 427 | /* Set channel encoding to binary (default is UTF-8). */ |
e0532047 | 428 | g_io_channel_set_encoding(devc->channel, NULL, NULL); |
d35aaf02 UH |
429 | |
430 | /* Make channels to unbuffered. */ | |
e0532047 | 431 | g_io_channel_set_buffered(devc->channel, FALSE); |
d35aaf02 | 432 | |
e0532047 | 433 | sr_session_source_add_channel(devc->channel, G_IO_IN | G_IO_ERR, |
61c39f54 | 434 | 40, prepare_data, (void *)sdi); |
85b5af06 | 435 | |
4afdfd46 | 436 | /* Send header packet to the session bus. */ |
29a27196 | 437 | std_session_send_df_header(cb_data, LOG_PREFIX); |
f366e86c | 438 | |
3b203673 AG |
439 | /* We use this timestamp to decide how many more samples to send. */ |
440 | devc->starttime = g_get_monotonic_time(); | |
441 | ||
e46b8fb1 | 442 | return SR_OK; |
6239c175 UH |
443 | } |
444 | ||
6078d2c9 | 445 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
6239c175 | 446 | { |
33ef7573 | 447 | struct dev_context *const devc = sdi->priv; |
c216d623 | 448 | struct sr_datafeed_packet packet; |
7fd3e859 | 449 | |
33ef7573 | 450 | (void)cb_data; |
7fd3e859 | 451 | |
49145a63 AG |
452 | sr_dbg("Stopping aquisition."); |
453 | ||
e0532047 JH |
454 | sr_session_source_remove_channel(devc->channel); |
455 | g_io_channel_shutdown(devc->channel, FALSE, NULL); | |
2150a69b JH |
456 | g_io_channel_unref(devc->channel); |
457 | devc->channel = NULL; | |
c216d623 AG |
458 | |
459 | /* Send last packet. */ | |
460 | packet.type = SR_DF_END; | |
3e9b7f9c | 461 | sr_session_send(devc->cb_data, &packet); |
7fd3e859 | 462 | |
3010f21c | 463 | return SR_OK; |
6239c175 UH |
464 | } |
465 | ||
c09f0b57 | 466 | SR_PRIV struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
467 | .name = "demo", |
468 | .longname = "Demo driver and pattern generator", | |
469 | .api_version = 1, | |
6078d2c9 UH |
470 | .init = init, |
471 | .cleanup = cleanup, | |
472 | .scan = scan, | |
473 | .dev_list = dev_list, | |
3b412e3a | 474 | .dev_clear = dev_clear, |
035a1078 BV |
475 | .config_get = config_get, |
476 | .config_set = config_set, | |
a1c743fc | 477 | .config_list = config_list, |
6078d2c9 UH |
478 | .dev_open = dev_open, |
479 | .dev_close = dev_close, | |
480 | .dev_acquisition_start = dev_acquisition_start, | |
481 | .dev_acquisition_stop = dev_acquisition_stop, | |
b4750a3a | 482 | .priv = NULL, |
6239c175 | 483 | }; |