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Commit | Line | Data |
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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> |
7a8a1aba | 7 | * Copyright (C) 2015 Bartosz Golaszewski <bgolaszewski@baylibre.com> |
6239c175 UH |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
4374219b | 26 | #include <math.h> |
c1aae900 | 27 | #include <libsigrok/libsigrok.h> |
45c59c8b | 28 | #include "libsigrok-internal.h" |
6239c175 | 29 | |
3544f848 | 30 | #define LOG_PREFIX "demo" |
92bcedf6 | 31 | |
3f239f08 UH |
32 | #define DEFAULT_NUM_LOGIC_CHANNELS 8 |
33 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 | |
c03ed397 | 34 | |
8b2d41ed | 35 | /* The size in bytes of chunks to send through the session bus. */ |
61c39f54 | 36 | #define LOGIC_BUFSIZE 4096 |
8b2d41ed BV |
37 | /* Size of the analog pattern space per channel. */ |
38 | #define ANALOG_BUFSIZE 4096 | |
2474d87e | 39 | |
dddabe37 | 40 | #define DEFAULT_ANALOG_AMPLITUDE 25 |
4374219b DJ |
41 | #define ANALOG_SAMPLES_PER_PERIOD 20 |
42 | ||
2388ae86 | 43 | /* Logic patterns we can generate. */ |
e15f48c2 | 44 | enum { |
0d31276b | 45 | /** |
ba7dd8bb | 46 | * Spells "sigrok" across 8 channels using '0's (with '1's as |
61c39f54 | 47 | * "background") when displayed using the 'bits' output format. |
95035832 | 48 | * The pattern is repeated every 8 channels, shifted to the right |
c07f60e7 | 49 | * in time by one bit. |
0d31276b | 50 | */ |
c8f4624d | 51 | PATTERN_SIGROK, |
0d31276b | 52 | |
ba7dd8bb | 53 | /** Pseudo-random values on all channels. */ |
c8f4624d | 54 | PATTERN_RANDOM, |
0d31276b UH |
55 | |
56 | /** | |
95035832 | 57 | * Incrementing number across 8 channels. The pattern is repeated |
ba7dd8bb | 58 | * every 8 channels, shifted to the right in time by one bit. |
0d31276b | 59 | */ |
c8f4624d | 60 | PATTERN_INC, |
c03ed397 | 61 | |
ba7dd8bb | 62 | /** All channels have a low logic state. */ |
c03ed397 UH |
63 | PATTERN_ALL_LOW, |
64 | ||
ba7dd8bb | 65 | /** All channels have a high logic state. */ |
c03ed397 | 66 | PATTERN_ALL_HIGH, |
2388ae86 | 67 | }; |
8b2d41ed | 68 | |
2388ae86 BV |
69 | /* Analog patterns we can generate. */ |
70 | enum { | |
8b2d41ed BV |
71 | /** |
72 | * Square wave. | |
73 | */ | |
74 | PATTERN_SQUARE, | |
4374219b | 75 | PATTERN_SINE, |
091c9621 | 76 | PATTERN_TRIANGLE, |
9f54e0e8 | 77 | PATTERN_SAWTOOTH, |
e15f48c2 | 78 | }; |
85b5af06 | 79 | |
8b2d41ed | 80 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
81 | "sigrok", |
82 | "random", | |
83 | "incremental", | |
84 | "all-low", | |
85 | "all-high", | |
86 | }; | |
87 | ||
8b2d41ed BV |
88 | static const char *analog_pattern_str[] = { |
89 | "square", | |
4374219b | 90 | "sine", |
091c9621 | 91 | "triangle", |
9f54e0e8 | 92 | "sawtooth", |
8b2d41ed BV |
93 | }; |
94 | ||
95 | struct analog_gen { | |
96 | int pattern; | |
dddabe37 | 97 | float amplitude; |
8b2d41ed BV |
98 | float pattern_data[ANALOG_BUFSIZE]; |
99 | unsigned int num_samples; | |
100 | struct sr_datafeed_analog packet; | |
7a8a1aba BG |
101 | float avg_val; /* Average value */ |
102 | unsigned num_avgs; /* Number of samples averaged */ | |
8b2d41ed BV |
103 | }; |
104 | ||
b4750a3a BV |
105 | /* Private, per-device-instance driver context. */ |
106 | struct dev_context { | |
a7684294 | 107 | uint64_t cur_samplerate; |
b62bb97a | 108 | gboolean continuous; |
a7684294 JH |
109 | uint64_t limit_samples; |
110 | uint64_t limit_msec; | |
7f4975b4 BV |
111 | uint64_t logic_counter; |
112 | uint64_t analog_counter; | |
3b203673 | 113 | int64_t starttime; |
61c39f54 | 114 | uint64_t step; |
8b2d41ed | 115 | /* Logic */ |
ba7dd8bb | 116 | int32_t num_logic_channels; |
c07f60e7 | 117 | unsigned int logic_unitsize; |
660e398f | 118 | /* There is only ever one logic channel group, so its pattern goes here. */ |
c07f60e7 BV |
119 | uint8_t logic_pattern; |
120 | unsigned char logic_data[LOGIC_BUFSIZE]; | |
8b2d41ed | 121 | /* Analog */ |
ba7dd8bb | 122 | int32_t num_analog_channels; |
49224c28 | 123 | GHashTable *ch_ag; |
7a8a1aba BG |
124 | gboolean avg; /* True if averaging is enabled */ |
125 | uint64_t avg_samples; | |
c07f60e7 BV |
126 | }; |
127 | ||
1e4a7cac BV |
128 | static const uint32_t drvopts[] = { |
129 | SR_CONF_DEMO_DEV, | |
130 | SR_CONF_LOGIC_ANALYZER, | |
131 | SR_CONF_OSCILLOSCOPE, | |
132 | }; | |
133 | ||
584560f1 | 134 | static const uint32_t scanopts[] = { |
3f239f08 UH |
135 | SR_CONF_NUM_LOGIC_CHANNELS, |
136 | SR_CONF_NUM_ANALOG_CHANNELS, | |
e15f48c2 | 137 | }; |
85b5af06 | 138 | |
390795c0 | 139 | static const uint32_t devopts[] = { |
1e4a7cac | 140 | SR_CONF_CONTINUOUS | SR_CONF_SET, |
5827f61b BV |
141 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
142 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
390795c0 | 143 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
144 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
145 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
146 | }; |
147 | ||
148 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 149 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
150 | }; |
151 | ||
e2b99f04 SA |
152 | static const uint32_t devopts_cg_analog_group[] = { |
153 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
154 | }; | |
155 | ||
156 | static const uint32_t devopts_cg_analog_channel[] = { | |
f12d9979 BV |
157 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
158 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
159 | }; |
160 | ||
d00088ca BV |
161 | static const uint64_t samplerates[] = { |
162 | SR_HZ(1), | |
163 | SR_GHZ(1), | |
164 | SR_HZ(1), | |
4bfbf9fc BV |
165 | }; |
166 | ||
329733d9 | 167 | static const uint8_t pattern_sigrok[] = { |
917e0e71 BV |
168 | 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, |
169 | 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, | |
170 | 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00, | |
171 | 0xfe, 0x12, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00, | |
172 | 0x7c, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00, | |
173 | 0xfe, 0x10, 0x28, 0x44, 0x82, 0x00, 0x00, 0x00, | |
174 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
175 | 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
176 | }; | |
177 | ||
dcf03d6d | 178 | SR_PRIV struct sr_dev_driver demo_driver_info; |
6239c175 | 179 | |
6078d2c9 | 180 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); |
6239c175 | 181 | |
4f840ce9 | 182 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
61136ea6 | 183 | { |
f6beaac5 | 184 | return std_init(sr_ctx, di, LOG_PREFIX); |
61136ea6 BV |
185 | } |
186 | ||
49224c28 | 187 | static void generate_analog_pattern(struct analog_gen *ag, uint64_t sample_rate) |
8b2d41ed | 188 | { |
4374219b | 189 | double t, frequency; |
8b2d41ed BV |
190 | float value; |
191 | unsigned int num_samples, i; | |
192 | int last_end; | |
193 | ||
49224c28 | 194 | sr_dbg("Generating %s pattern.", analog_pattern_str[ag->pattern]); |
4374219b | 195 | |
49224c28 | 196 | num_samples = ANALOG_BUFSIZE / sizeof(float); |
8b2d41ed | 197 | |
4374219b | 198 | switch (ag->pattern) { |
8b2d41ed | 199 | case PATTERN_SQUARE: |
dddabe37 | 200 | value = ag->amplitude; |
8b2d41ed BV |
201 | last_end = 0; |
202 | for (i = 0; i < num_samples; i++) { | |
203 | if (i % 5 == 0) | |
204 | value = -value; | |
205 | if (i % 10 == 0) | |
3772c049 | 206 | last_end = i; |
8b2d41ed BV |
207 | ag->pattern_data[i] = value; |
208 | } | |
209 | ag->num_samples = last_end; | |
210 | break; | |
4374219b | 211 | case PATTERN_SINE: |
9d156555 | 212 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; |
4374219b DJ |
213 | |
214 | /* Make sure the number of samples we put out is an integer | |
215 | * multiple of our period size */ | |
216 | /* FIXME we actually need only one period. A ringbuffer would be | |
f3f19d11 | 217 | * useful here. */ |
4374219b DJ |
218 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) |
219 | num_samples--; | |
220 | ||
221 | for (i = 0; i < num_samples; i++) { | |
222 | t = (double) i / (double) sample_rate; | |
dddabe37 | 223 | ag->pattern_data[i] = ag->amplitude * |
bbc42811 | 224 | sin(2 * G_PI * frequency * t); |
4374219b DJ |
225 | } |
226 | ||
091c9621 DJ |
227 | ag->num_samples = num_samples; |
228 | break; | |
091c9621 | 229 | case PATTERN_TRIANGLE: |
9d156555 | 230 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; |
091c9621 DJ |
231 | |
232 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) | |
233 | num_samples--; | |
234 | ||
235 | for (i = 0; i < num_samples; i++) { | |
236 | t = (double) i / (double) sample_rate; | |
bbc42811 AJ |
237 | ag->pattern_data[i] = (2 * ag->amplitude / G_PI) * |
238 | asin(sin(2 * G_PI * frequency * t)); | |
091c9621 DJ |
239 | } |
240 | ||
9f54e0e8 DJ |
241 | ag->num_samples = num_samples; |
242 | break; | |
9f54e0e8 | 243 | case PATTERN_SAWTOOTH: |
9d156555 | 244 | frequency = (double) sample_rate / ANALOG_SAMPLES_PER_PERIOD; |
9f54e0e8 DJ |
245 | |
246 | while (num_samples % ANALOG_SAMPLES_PER_PERIOD != 0) | |
247 | num_samples--; | |
248 | ||
249 | for (i = 0; i < num_samples; i++) { | |
250 | t = (double) i / (double) sample_rate; | |
dddabe37 | 251 | ag->pattern_data[i] = 2 * ag->amplitude * |
9f54e0e8 DJ |
252 | ((t * frequency) - floor(0.5f + t * frequency)); |
253 | } | |
254 | ||
4374219b DJ |
255 | ag->num_samples = num_samples; |
256 | break; | |
8b2d41ed BV |
257 | } |
258 | } | |
259 | ||
4f840ce9 | 260 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 261 | { |
b4750a3a | 262 | struct drv_context *drvc; |
33ef7573 | 263 | struct dev_context *devc; |
c07f60e7 | 264 | struct sr_dev_inst *sdi; |
ba7dd8bb | 265 | struct sr_channel *ch; |
49224c28 | 266 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 267 | struct sr_config *src; |
8b2d41ed | 268 | struct analog_gen *ag; |
c07f60e7 | 269 | GSList *devices, *l; |
ba7dd8bb UH |
270 | int num_logic_channels, num_analog_channels, pattern, i; |
271 | char channel_name[16]; | |
067d0716 | 272 | |
41812aca | 273 | drvc = di->context; |
4b97c74e | 274 | |
3f239f08 UH |
275 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
276 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
c07f60e7 BV |
277 | for (l = options; l; l = l->next) { |
278 | src = l->data; | |
279 | switch (src->key) { | |
3f239f08 | 280 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 281 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 282 | break; |
3f239f08 | 283 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 284 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 BV |
285 | break; |
286 | } | |
287 | } | |
85b5af06 | 288 | |
c07f60e7 | 289 | devices = NULL; |
0af636be | 290 | |
aac29cc1 | 291 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be | 292 | sdi->status = SR_ST_ACTIVE; |
4b664cd6 | 293 | sdi->model = g_strdup("Demo device"); |
a873c594 | 294 | sdi->driver = di; |
e15f48c2 | 295 | |
49224c28 | 296 | devc = g_malloc(sizeof(struct dev_context)); |
8b2d41ed BV |
297 | devc->cur_samplerate = SR_KHZ(200); |
298 | devc->limit_samples = 0; | |
299 | devc->limit_msec = 0; | |
300 | devc->step = 0; | |
b62bb97a | 301 | devc->continuous = FALSE; |
ba7dd8bb UH |
302 | devc->num_logic_channels = num_logic_channels; |
303 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
8b2d41ed | 304 | devc->logic_pattern = PATTERN_SIGROK; |
ba7dd8bb | 305 | devc->num_analog_channels = num_analog_channels; |
7a8a1aba BG |
306 | devc->avg = FALSE; |
307 | devc->avg_samples = 0; | |
8b2d41ed | 308 | |
ba7dd8bb | 309 | /* Logic channels, all in one channel group. */ |
49224c28 | 310 | cg = g_malloc0(sizeof(struct sr_channel_group)); |
40fd0264 | 311 | cg->name = g_strdup("Logic"); |
ba7dd8bb UH |
312 | for (i = 0; i < num_logic_channels; i++) { |
313 | sprintf(channel_name, "D%d", i); | |
5e23fcab | 314 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); |
ba7dd8bb | 315 | cg->channels = g_slist_append(cg->channels, ch); |
87ca93c5 | 316 | } |
40fd0264 | 317 | sdi->channel_groups = g_slist_append(NULL, cg); |
87ca93c5 | 318 | |
ba7dd8bb | 319 | /* Analog channels, channel groups and pattern generators. */ |
2b36d6c6 | 320 | pattern = 0; |
49224c28 BV |
321 | /* An "Analog" channel group with all analog channels in it. */ |
322 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
323 | acg->name = g_strdup("Analog"); | |
324 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
325 | ||
326 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); | |
ba7dd8bb | 327 | for (i = 0; i < num_analog_channels; i++) { |
49224c28 | 328 | snprintf(channel_name, 16, "A%d", i); |
5e23fcab | 329 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, |
49224c28 | 330 | TRUE, channel_name); |
49224c28 | 331 | acg->channels = g_slist_append(acg->channels, ch); |
c07f60e7 | 332 | |
49224c28 BV |
333 | /* Every analog channel gets its own channel group as well. */ |
334 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
ba7dd8bb UH |
335 | cg->name = g_strdup(channel_name); |
336 | cg->channels = g_slist_append(NULL, ch); | |
49224c28 | 337 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); |
85b5af06 | 338 | |
49224c28 BV |
339 | /* Every channel gets a generator struct. */ |
340 | ag = g_malloc(sizeof(struct analog_gen)); | |
dddabe37 | 341 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; |
ba7dd8bb | 342 | ag->packet.channels = cg->channels; |
8b2d41ed BV |
343 | ag->packet.mq = 0; |
344 | ag->packet.mqflags = 0; | |
345 | ag->packet.unit = SR_UNIT_VOLT; | |
346 | ag->packet.data = ag->pattern_data; | |
2b36d6c6 | 347 | ag->pattern = pattern; |
7a8a1aba BG |
348 | ag->avg_val = 0.0f; |
349 | ag->num_avgs = 0; | |
49224c28 | 350 | g_hash_table_insert(devc->ch_ag, ch, ag); |
2b36d6c6 BV |
351 | |
352 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
353 | pattern = 0; | |
33ef7573 | 354 | } |
33ef7573 JH |
355 | |
356 | sdi->priv = devc; | |
8b2d41ed BV |
357 | devices = g_slist_append(devices, sdi); |
358 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
33ef7573 | 359 | |
067d0716 | 360 | return devices; |
6239c175 UH |
361 | } |
362 | ||
4f840ce9 | 363 | static GSList *dev_list(const struct sr_dev_driver *di) |
811deee4 | 364 | { |
41812aca | 365 | return ((struct drv_context *)(di->context))->instances; |
811deee4 BV |
366 | } |
367 | ||
6078d2c9 | 368 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 369 | { |
e73ffd42 | 370 | sdi->status = SR_ST_ACTIVE; |
697785d1 | 371 | |
e46b8fb1 | 372 | return SR_OK; |
6239c175 UH |
373 | } |
374 | ||
6078d2c9 | 375 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 376 | { |
decfe89d | 377 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
378 | |
379 | return SR_OK; | |
6239c175 UH |
380 | } |
381 | ||
ed0b7fed BV |
382 | static void clear_helper(void *priv) |
383 | { | |
384 | struct dev_context *devc; | |
49224c28 BV |
385 | GHashTableIter iter; |
386 | void *value; | |
ed0b7fed BV |
387 | |
388 | devc = priv; | |
49224c28 BV |
389 | |
390 | /* Analog generators. */ | |
391 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
392 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
393 | g_free(value); | |
394 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
395 | g_free(devc); |
396 | } | |
397 | ||
4f840ce9 | 398 | static int cleanup(const struct sr_dev_driver *di) |
6239c175 | 399 | { |
ed0b7fed | 400 | return std_dev_clear(di, clear_helper); |
6239c175 UH |
401 | } |
402 | ||
584560f1 | 403 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 404 | const struct sr_channel_group *cg) |
6239c175 | 405 | { |
c07f60e7 | 406 | struct dev_context *devc; |
ba7dd8bb | 407 | struct sr_channel *ch; |
2388ae86 BV |
408 | struct analog_gen *ag; |
409 | int pattern; | |
6f57fd96 | 410 | |
2388ae86 BV |
411 | if (!sdi) |
412 | return SR_ERR_ARG; | |
8f996b89 | 413 | |
c07f60e7 | 414 | devc = sdi->priv; |
584560f1 | 415 | switch (key) { |
123e1313 | 416 | case SR_CONF_SAMPLERATE: |
a7684294 | 417 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 418 | break; |
2474d87e | 419 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 420 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
421 | break; |
422 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 423 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 424 | break; |
7a8a1aba BG |
425 | case SR_CONF_AVERAGING: |
426 | *data = g_variant_new_boolean(devc->avg); | |
427 | break; | |
428 | case SR_CONF_AVG_SAMPLES: | |
429 | *data = g_variant_new_uint64(devc->avg_samples); | |
430 | break; | |
2474d87e | 431 | case SR_CONF_PATTERN_MODE: |
53b4680f | 432 | if (!cg) |
660e398f | 433 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 434 | /* Any channel in the group will do. */ |
ba7dd8bb | 435 | ch = cg->channels->data; |
3f239f08 | 436 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
437 | pattern = devc->logic_pattern; |
438 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 439 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 440 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
441 | pattern = ag->pattern; |
442 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
443 | } else | |
444 | return SR_ERR_BUG; | |
c07f60e7 | 445 | break; |
dddabe37 BV |
446 | case SR_CONF_AMPLITUDE: |
447 | if (!cg) | |
448 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 449 | /* Any channel in the group will do. */ |
dddabe37 BV |
450 | ch = cg->channels->data; |
451 | if (ch->type != SR_CHANNEL_ANALOG) | |
452 | return SR_ERR_ARG; | |
49224c28 | 453 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
454 | *data = g_variant_new_double(ag->amplitude); |
455 | break; | |
7dfcf010 | 456 | default: |
bd6fbf62 | 457 | return SR_ERR_NA; |
6239c175 UH |
458 | } |
459 | ||
dfb0fa1a | 460 | return SR_OK; |
6239c175 UH |
461 | } |
462 | ||
584560f1 | 463 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 464 | const struct sr_channel_group *cg) |
6239c175 | 465 | { |
8b2d41ed | 466 | struct dev_context *devc; |
4374219b | 467 | struct analog_gen *ag; |
ba7dd8bb | 468 | struct sr_channel *ch; |
49224c28 BV |
469 | GSList *l; |
470 | int logic_pattern, analog_pattern, ret; | |
61c39f54 | 471 | unsigned int i; |
1b79df2f | 472 | const char *stropt; |
6239c175 | 473 | |
8b2d41ed | 474 | devc = sdi->priv; |
6239c175 | 475 | |
e73ffd42 BV |
476 | if (sdi->status != SR_ST_ACTIVE) |
477 | return SR_ERR_DEV_CLOSED; | |
478 | ||
2388ae86 | 479 | ret = SR_OK; |
584560f1 | 480 | switch (key) { |
2388ae86 | 481 | case SR_CONF_SAMPLERATE: |
a7684294 | 482 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
483 | break; |
484 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
485 | devc->limit_msec = 0; |
486 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
487 | break; |
488 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
489 | devc->limit_msec = g_variant_get_uint64(data); |
490 | devc->limit_samples = 0; | |
2388ae86 | 491 | break; |
7a8a1aba BG |
492 | case SR_CONF_AVERAGING: |
493 | devc->avg = g_variant_get_boolean(data); | |
494 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
495 | break; | |
496 | case SR_CONF_AVG_SAMPLES: | |
497 | devc->avg_samples = g_variant_get_uint64(data); | |
498 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
499 | break; | |
2388ae86 | 500 | case SR_CONF_PATTERN_MODE: |
53b4680f | 501 | if (!cg) |
660e398f | 502 | return SR_ERR_CHANNEL_GROUP; |
d00088ca | 503 | stropt = g_variant_get_string(data, NULL); |
49224c28 BV |
504 | logic_pattern = analog_pattern = -1; |
505 | for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) { | |
506 | if (!strcmp(stropt, logic_pattern_str[i])) { | |
507 | logic_pattern = i; | |
508 | break; | |
8b2d41ed | 509 | } |
49224c28 BV |
510 | } |
511 | for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) { | |
512 | if (!strcmp(stropt, analog_pattern_str[i])) { | |
513 | analog_pattern = i; | |
514 | break; | |
8b2d41ed | 515 | } |
49224c28 BV |
516 | } |
517 | if (logic_pattern == -1 && analog_pattern == -1) | |
518 | return SR_ERR_ARG; | |
519 | for (l = cg->channels; l; l = l->next) { | |
520 | ch = l->data; | |
521 | if (ch->type == SR_CHANNEL_LOGIC) { | |
522 | if (logic_pattern == -1) | |
523 | return SR_ERR_ARG; | |
524 | sr_dbg("Setting logic pattern to %s", | |
525 | logic_pattern_str[logic_pattern]); | |
526 | devc->logic_pattern = logic_pattern; | |
527 | /* Might as well do this now, these are static. */ | |
528 | if (logic_pattern == PATTERN_ALL_LOW) | |
529 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
530 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
531 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
532 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
533 | if (analog_pattern == -1) | |
534 | return SR_ERR_ARG; | |
535 | sr_dbg("Setting analog pattern for channel %s to %s", | |
536 | ch->name, analog_pattern_str[analog_pattern]); | |
537 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
538 | ag->pattern = analog_pattern; | |
539 | } else | |
540 | return SR_ERR_BUG; | |
541 | } | |
2388ae86 | 542 | break; |
dddabe37 BV |
543 | case SR_CONF_AMPLITUDE: |
544 | if (!cg) | |
545 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
546 | for (l = cg->channels; l; l = l->next) { |
547 | ch = l->data; | |
548 | if (ch->type != SR_CHANNEL_ANALOG) | |
549 | return SR_ERR_ARG; | |
550 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
551 | ag->amplitude = g_variant_get_double(data); | |
552 | } | |
dddabe37 | 553 | break; |
2388ae86 | 554 | default: |
bd6fbf62 | 555 | ret = SR_ERR_NA; |
6239c175 UH |
556 | } |
557 | ||
558 | return ret; | |
559 | } | |
560 | ||
584560f1 | 561 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 562 | const struct sr_channel_group *cg) |
a1c743fc | 563 | { |
ba7dd8bb | 564 | struct sr_channel *ch; |
d00088ca BV |
565 | GVariant *gvar; |
566 | GVariantBuilder gvb; | |
a1c743fc | 567 | |
7a1da331 | 568 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
569 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
570 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
7a1da331 BV |
571 | return SR_OK; |
572 | } | |
573 | ||
390795c0 BV |
574 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { |
575 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1e4a7cac | 576 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
390795c0 BV |
577 | return SR_OK; |
578 | } | |
579 | ||
7a1da331 BV |
580 | if (!sdi) |
581 | return SR_ERR_ARG; | |
582 | ||
53b4680f | 583 | if (!cg) { |
7a1da331 BV |
584 | switch (key) { |
585 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 586 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
1e4a7cac | 587 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
7a1da331 BV |
588 | break; |
589 | case SR_CONF_SAMPLERATE: | |
590 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
591 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
592 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
593 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
594 | *data = g_variant_builder_end(&gvb); | |
595 | break; | |
596 | default: | |
597 | return SR_ERR_NA; | |
598 | } | |
599 | } else { | |
ba7dd8bb | 600 | ch = cg->channels->data; |
7a1da331 BV |
601 | switch (key) { |
602 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 603 | if (ch->type == SR_CHANNEL_LOGIC) |
8249889d | 604 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
49224c28 | 605 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), |
584560f1 | 606 | sizeof(uint32_t)); |
e2b99f04 SA |
607 | else if (ch->type == SR_CHANNEL_ANALOG) { |
608 | if (strcmp(cg->name, "Analog") == 0) | |
609 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
610 | devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group), | |
611 | sizeof(uint32_t)); | |
612 | else | |
613 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
614 | devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel), | |
615 | sizeof(uint32_t)); | |
616 | } | |
49224c28 BV |
617 | else |
618 | return SR_ERR_BUG; | |
7a1da331 BV |
619 | break; |
620 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
621 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
622 | if (strcmp(cg->name, "Analog") == 0) | |
623 | return SR_ERR_NA; | |
624 | ||
3f239f08 | 625 | if (ch->type == SR_CHANNEL_LOGIC) |
7a1da331 BV |
626 | *data = g_variant_new_strv(logic_pattern_str, |
627 | ARRAY_SIZE(logic_pattern_str)); | |
3f239f08 | 628 | else if (ch->type == SR_CHANNEL_ANALOG) |
7a1da331 BV |
629 | *data = g_variant_new_strv(analog_pattern_str, |
630 | ARRAY_SIZE(analog_pattern_str)); | |
2388ae86 BV |
631 | else |
632 | return SR_ERR_BUG; | |
7a1da331 BV |
633 | break; |
634 | default: | |
635 | return SR_ERR_NA; | |
636 | } | |
a1c743fc BV |
637 | } |
638 | ||
639 | return SR_OK; | |
640 | } | |
641 | ||
c07f60e7 | 642 | static void logic_generator(struct sr_dev_inst *sdi, uint64_t size) |
85b5af06 | 643 | { |
61c39f54 | 644 | struct dev_context *devc; |
c07f60e7 BV |
645 | uint64_t i, j; |
646 | uint8_t pat; | |
85b5af06 | 647 | |
61c39f54 | 648 | devc = sdi->priv; |
85b5af06 | 649 | |
c07f60e7 | 650 | switch (devc->logic_pattern) { |
61c39f54 | 651 | case PATTERN_SIGROK: |
c07f60e7 BV |
652 | memset(devc->logic_data, 0x00, size); |
653 | for (i = 0; i < size; i += devc->logic_unitsize) { | |
654 | for (j = 0; j < devc->logic_unitsize; j++) { | |
655 | pat = pattern_sigrok[(devc->step + j) % sizeof(pattern_sigrok)] >> 1; | |
656 | devc->logic_data[i + j] = ~pat; | |
657 | } | |
658 | devc->step++; | |
917e0e71 BV |
659 | } |
660 | break; | |
61c39f54 | 661 | case PATTERN_RANDOM: |
5096c6a6 | 662 | for (i = 0; i < size; i++) |
61c39f54 | 663 | devc->logic_data[i] = (uint8_t)(rand() & 0xff); |
85b5af06 | 664 | break; |
61c39f54 | 665 | case PATTERN_INC: |
c07f60e7 BV |
666 | for (i = 0; i < size; i++) { |
667 | for (j = 0; j < devc->logic_unitsize; j++) { | |
668 | devc->logic_data[i + j] = devc->step; | |
669 | } | |
670 | devc->step++; | |
671 | } | |
c03ed397 | 672 | break; |
61c39f54 BV |
673 | case PATTERN_ALL_LOW: |
674 | case PATTERN_ALL_HIGH: | |
675 | /* These were set when the pattern mode was selected. */ | |
c03ed397 UH |
676 | break; |
677 | default: | |
c07f60e7 | 678 | sr_err("Unknown pattern: %d.", devc->logic_pattern); |
c03ed397 | 679 | break; |
85b5af06 UH |
680 | } |
681 | } | |
682 | ||
7a8a1aba BG |
683 | static void send_analog_packet(struct analog_gen *ag, |
684 | struct sr_dev_inst *sdi, | |
685 | uint64_t *analog_sent, | |
686 | uint64_t analog_todo) | |
687 | { | |
688 | struct sr_datafeed_packet packet; | |
689 | struct dev_context *devc; | |
690 | uint64_t sending_now, to_avg; | |
691 | int ag_pattern_pos; | |
692 | unsigned int i; | |
693 | ||
694 | devc = sdi->priv; | |
695 | packet.type = SR_DF_ANALOG; | |
696 | packet.payload = &ag->packet; | |
697 | ||
698 | if (!devc->avg) { | |
699 | ag_pattern_pos = devc->analog_counter % ag->num_samples; | |
700 | sending_now = MIN(analog_todo, ag->num_samples-ag_pattern_pos); | |
701 | ag->packet.data = ag->pattern_data + ag_pattern_pos; | |
702 | ag->packet.num_samples = sending_now; | |
703 | sr_session_send(sdi, &packet); | |
704 | ||
705 | /* Whichever channel group gets there first. */ | |
706 | *analog_sent = MAX(*analog_sent, sending_now); | |
707 | } else { | |
708 | ag_pattern_pos = devc->analog_counter % ag->num_samples; | |
709 | to_avg = MIN(analog_todo, ag->num_samples-ag_pattern_pos); | |
710 | ||
711 | for (i = 0; i < to_avg; i++) { | |
712 | ag->avg_val = (ag->avg_val + | |
713 | *(ag->pattern_data + | |
714 | ag_pattern_pos + i)) / 2; | |
715 | ag->num_avgs++; | |
716 | /* Time to send averaged data? */ | |
717 | if (devc->avg_samples > 0 && | |
718 | ag->num_avgs >= devc->avg_samples) | |
719 | goto do_send; | |
720 | } | |
721 | ||
722 | if (devc->avg_samples == 0) { | |
723 | /* We're averaging all the samples, so wait with | |
724 | * sending until the very end. | |
725 | */ | |
726 | *analog_sent = ag->num_avgs; | |
727 | return; | |
728 | } | |
729 | ||
730 | do_send: | |
731 | ag->packet.data = &ag->avg_val; | |
732 | ag->packet.num_samples = 1; | |
733 | ||
734 | sr_session_send(sdi, &packet); | |
735 | *analog_sent = ag->num_avgs; | |
736 | ||
737 | ag->num_avgs = 0; | |
738 | ag->avg_val = 0.0f; | |
739 | } | |
740 | } | |
741 | ||
85b5af06 | 742 | /* Callback handling data */ |
61c39f54 | 743 | static int prepare_data(int fd, int revents, void *cb_data) |
85b5af06 | 744 | { |
61c39f54 BV |
745 | struct sr_dev_inst *sdi; |
746 | struct dev_context *devc; | |
b9c735a2 | 747 | struct sr_datafeed_packet packet; |
9c939c51 | 748 | struct sr_datafeed_logic logic; |
8b2d41ed | 749 | struct analog_gen *ag; |
49224c28 BV |
750 | GHashTableIter iter; |
751 | void *value; | |
b62bb97a | 752 | uint64_t logic_todo, analog_todo, expected_samplenum, analog_sent, sending_now; |
3b203673 | 753 | int64_t time, elapsed; |
1924f59f | 754 | |
cb93f8a9 UH |
755 | (void)fd; |
756 | (void)revents; | |
1924f59f | 757 | |
61c39f54 BV |
758 | sdi = cb_data; |
759 | devc = sdi->priv; | |
b62bb97a | 760 | logic_todo = analog_todo = 0; |
61c39f54 | 761 | |
b62bb97a | 762 | /* How many samples should we have sent by now? */ |
3b203673 AG |
763 | time = g_get_monotonic_time(); |
764 | elapsed = time - devc->starttime; | |
1a46cc62 | 765 | expected_samplenum = elapsed * devc->cur_samplerate / (1000 * 1000); |
7f4975b4 | 766 | |
b62bb97a BV |
767 | /* But never more than the limit, if there is one. */ |
768 | if (!devc->continuous) | |
769 | expected_samplenum = MIN(expected_samplenum, devc->limit_samples); | |
770 | ||
3b203673 | 771 | /* Of those, how many do we still have to send? */ |
536141ff | 772 | if (devc->num_logic_channels && (devc->logic_counter < devc->limit_samples)) |
b62bb97a | 773 | logic_todo = expected_samplenum - devc->logic_counter; |
536141ff | 774 | if (devc->num_analog_channels && (devc->analog_counter < devc->limit_samples)) |
b62bb97a | 775 | analog_todo = expected_samplenum - devc->analog_counter; |
85b5af06 | 776 | |
7f4975b4 | 777 | while (logic_todo || analog_todo) { |
c07f60e7 | 778 | /* Logic */ |
b62bb97a BV |
779 | if (logic_todo > 0) { |
780 | sending_now = MIN(logic_todo, LOGIC_BUFSIZE / devc->logic_unitsize); | |
8b2d41ed BV |
781 | logic_generator(sdi, sending_now * devc->logic_unitsize); |
782 | packet.type = SR_DF_LOGIC; | |
783 | packet.payload = &logic; | |
784 | logic.length = sending_now * devc->logic_unitsize; | |
785 | logic.unitsize = devc->logic_unitsize; | |
786 | logic.data = devc->logic_data; | |
787 | sr_session_send(sdi, &packet); | |
7f4975b4 BV |
788 | logic_todo -= sending_now; |
789 | devc->logic_counter += sending_now; | |
8b2d41ed BV |
790 | } |
791 | ||
ba7dd8bb | 792 | /* Analog, one channel at a time */ |
b62bb97a BV |
793 | if (analog_todo > 0) { |
794 | analog_sent = 0; | |
49224c28 BV |
795 | |
796 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
797 | while (g_hash_table_iter_next(&iter, NULL, &value)) { | |
7a8a1aba BG |
798 | send_analog_packet(value, sdi, |
799 | &analog_sent, analog_todo); | |
8b2d41ed | 800 | } |
b62bb97a BV |
801 | analog_todo -= analog_sent; |
802 | devc->analog_counter += analog_sent; | |
8b2d41ed | 803 | } |
3b203673 AG |
804 | } |
805 | ||
b62bb97a BV |
806 | if (!devc->continuous |
807 | && (!devc->num_logic_channels || devc->logic_counter >= devc->limit_samples) | |
808 | && (!devc->num_analog_channels || devc->analog_counter >= devc->limit_samples)) { | |
7a8a1aba BG |
809 | /* If we're averaging everything - now is the time to send data */ |
810 | if (devc->avg_samples == 0) { | |
811 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
812 | while (g_hash_table_iter_next(&iter, NULL, &value)) { | |
813 | ag = value; | |
814 | packet.type = SR_DF_ANALOG; | |
815 | packet.payload = &ag->packet; | |
816 | ag->packet.data = &ag->avg_val; | |
817 | ag->packet.num_samples = 1; | |
818 | sr_session_send(sdi, &packet); | |
819 | } | |
820 | } | |
821 | ||
7f4975b4 | 822 | sr_dbg("Requested number of samples reached."); |
61c39f54 | 823 | dev_acquisition_stop(sdi, cb_data); |
c216d623 | 824 | return TRUE; |
85b5af06 | 825 | } |
1924f59f | 826 | |
85b5af06 UH |
827 | return TRUE; |
828 | } | |
829 | ||
6078d2c9 | 830 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
6239c175 | 831 | { |
61c39f54 | 832 | struct dev_context *devc; |
49224c28 BV |
833 | GHashTableIter iter; |
834 | void *value; | |
85b5af06 | 835 | |
102f1239 BV |
836 | (void)cb_data; |
837 | ||
e73ffd42 BV |
838 | if (sdi->status != SR_ST_ACTIVE) |
839 | return SR_ERR_DEV_CLOSED; | |
840 | ||
61c39f54 | 841 | devc = sdi->priv; |
b62bb97a | 842 | devc->continuous = !devc->limit_samples; |
7f4975b4 | 843 | devc->logic_counter = devc->analog_counter = 0; |
85b5af06 | 844 | |
49224c28 BV |
845 | g_hash_table_iter_init(&iter, devc->ch_ag); |
846 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
847 | generate_analog_pattern(value, devc->cur_samplerate); | |
4374219b | 848 | |
027bf077 | 849 | sr_session_source_add(sdi->session, -1, 0, 40, prepare_data, (void *)sdi); |
85b5af06 | 850 | |
4afdfd46 | 851 | /* Send header packet to the session bus. */ |
102f1239 | 852 | std_session_send_df_header(sdi, LOG_PREFIX); |
f366e86c | 853 | |
3b203673 AG |
854 | /* We use this timestamp to decide how many more samples to send. */ |
855 | devc->starttime = g_get_monotonic_time(); | |
856 | ||
e46b8fb1 | 857 | return SR_OK; |
6239c175 UH |
858 | } |
859 | ||
6078d2c9 | 860 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
6239c175 | 861 | { |
c216d623 | 862 | struct sr_datafeed_packet packet; |
7fd3e859 | 863 | |
33ef7573 | 864 | (void)cb_data; |
7fd3e859 | 865 | |
a84f6ad3 | 866 | sr_dbg("Stopping acquisition."); |
49145a63 | 867 | |
027bf077 | 868 | sr_session_source_remove(sdi->session, -1); |
c216d623 AG |
869 | |
870 | /* Send last packet. */ | |
871 | packet.type = SR_DF_END; | |
c07f60e7 | 872 | sr_session_send(sdi, &packet); |
7fd3e859 | 873 | |
3010f21c | 874 | return SR_OK; |
6239c175 UH |
875 | } |
876 | ||
c09f0b57 | 877 | SR_PRIV struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
878 | .name = "demo", |
879 | .longname = "Demo driver and pattern generator", | |
880 | .api_version = 1, | |
6078d2c9 UH |
881 | .init = init, |
882 | .cleanup = cleanup, | |
883 | .scan = scan, | |
884 | .dev_list = dev_list, | |
a6630742 | 885 | .dev_clear = NULL, |
035a1078 BV |
886 | .config_get = config_get, |
887 | .config_set = config_set, | |
a1c743fc | 888 | .config_list = config_list, |
6078d2c9 UH |
889 | .dev_open = dev_open, |
890 | .dev_close = dev_close, | |
891 | .dev_acquisition_start = dev_acquisition_start, | |
892 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 893 | .context = NULL, |
6239c175 | 894 | }; |