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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> |
94f364ec | 8 | * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.net> |
6239c175 UH |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
2ea1fdf1 | 21 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
6239c175 UH |
22 | */ |
23 | ||
6ec6c43b | 24 | #include <config.h> |
6239c175 UH |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
4374219b | 27 | #include <math.h> |
c1aae900 | 28 | #include <libsigrok/libsigrok.h> |
45c59c8b | 29 | #include "libsigrok-internal.h" |
ba508e22 | 30 | #include "protocol.h" |
92bcedf6 | 31 | |
8430c9b6 FS |
32 | #define DEFAULT_NUM_LOGIC_CHANNELS 8 |
33 | #define DEFAULT_LOGIC_PATTERN PATTERN_SIGROK | |
c03ed397 | 34 | |
8430c9b6 | 35 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 |
85b5af06 | 36 | |
77463bd3 | 37 | /* Note: No spaces allowed because of sigrok-cli. */ |
8b2d41ed | 38 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
39 | "sigrok", |
40 | "random", | |
41 | "incremental", | |
77463bd3 SA |
42 | "walking-one", |
43 | "walking-zero", | |
61c39f54 BV |
44 | "all-low", |
45 | "all-high", | |
81d53a29 | 46 | "squid", |
03733430 | 47 | "graycode", |
61c39f54 BV |
48 | }; |
49 | ||
55fb76b3 UH |
50 | static const uint32_t scanopts[] = { |
51 | SR_CONF_NUM_LOGIC_CHANNELS, | |
52 | SR_CONF_NUM_ANALOG_CHANNELS, | |
53ea2461 | 53 | SR_CONF_LIMIT_FRAMES, |
55fb76b3 UH |
54 | }; |
55 | ||
1e4a7cac BV |
56 | static const uint32_t drvopts[] = { |
57 | SR_CONF_DEMO_DEV, | |
58 | SR_CONF_LOGIC_ANALYZER, | |
59 | SR_CONF_OSCILLOSCOPE, | |
60 | }; | |
61 | ||
390795c0 | 62 | static const uint32_t devopts[] = { |
e91bb0a6 | 63 | SR_CONF_CONTINUOUS, |
5827f61b BV |
64 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
65 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
fb193945 | 66 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
390795c0 | 67 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
68 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
69 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
31f69b09 | 70 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
71 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
72 | }; |
73 | ||
74 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 75 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
76 | }; |
77 | ||
e2b99f04 SA |
78 | static const uint32_t devopts_cg_analog_group[] = { |
79 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
80 | }; | |
81 | ||
82 | static const uint32_t devopts_cg_analog_channel[] = { | |
94f364ec | 83 | SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET, |
f12d9979 BV |
84 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
85 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
86 | }; |
87 | ||
31f69b09 | 88 | static const int32_t trigger_matches[] = { |
89 | SR_TRIGGER_ZERO, | |
90 | SR_TRIGGER_ONE, | |
91 | SR_TRIGGER_RISING, | |
92 | SR_TRIGGER_FALLING, | |
93 | SR_TRIGGER_EDGE, | |
94 | }; | |
95 | ||
d00088ca BV |
96 | static const uint64_t samplerates[] = { |
97 | SR_HZ(1), | |
98 | SR_GHZ(1), | |
99 | SR_HZ(1), | |
4bfbf9fc BV |
100 | }; |
101 | ||
4f840ce9 | 102 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 103 | { |
33ef7573 | 104 | struct dev_context *devc; |
c07f60e7 | 105 | struct sr_dev_inst *sdi; |
ba7dd8bb | 106 | struct sr_channel *ch; |
49224c28 | 107 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 108 | struct sr_config *src; |
8b2d41ed | 109 | struct analog_gen *ag; |
43376f33 | 110 | GSList *l; |
ba7dd8bb | 111 | int num_logic_channels, num_analog_channels, pattern, i; |
53ea2461 | 112 | uint64_t limit_frames; |
ba7dd8bb | 113 | char channel_name[16]; |
067d0716 | 114 | |
3f239f08 UH |
115 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
116 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
53ea2461 | 117 | limit_frames = DEFAULT_LIMIT_FRAMES; |
c07f60e7 BV |
118 | for (l = options; l; l = l->next) { |
119 | src = l->data; | |
120 | switch (src->key) { | |
3f239f08 | 121 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 122 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 123 | break; |
3f239f08 | 124 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 125 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 | 126 | break; |
53ea2461 GS |
127 | case SR_CONF_LIMIT_FRAMES: |
128 | limit_frames = g_variant_get_uint64(src->data); | |
129 | break; | |
c07f60e7 BV |
130 | } |
131 | } | |
85b5af06 | 132 | |
aac29cc1 | 133 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 134 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 135 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 136 | |
a49a320d | 137 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 138 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
139 | devc->num_logic_channels = num_logic_channels; |
140 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
015f0970 GS |
141 | devc->all_logic_channels_mask = 1UL << 0; |
142 | devc->all_logic_channels_mask <<= devc->num_logic_channels; | |
143 | devc->all_logic_channels_mask--; | |
b1e6eec6 | 144 | devc->logic_pattern = DEFAULT_LOGIC_PATTERN; |
ba7dd8bb | 145 | devc->num_analog_channels = num_analog_channels; |
53ea2461 | 146 | devc->limit_frames = limit_frames; |
6fc51fb1 | 147 | devc->capture_ratio = 20; |
148 | devc->stl = NULL; | |
8b2d41ed | 149 | |
f18e0db3 LPC |
150 | if (num_logic_channels > 0) { |
151 | /* Logic channels, all in one channel group. */ | |
152 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
153 | cg->name = g_strdup("Logic"); | |
154 | for (i = 0; i < num_logic_channels; i++) { | |
155 | sprintf(channel_name, "D%d", i); | |
f1c79a6a | 156 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); |
f18e0db3 LPC |
157 | cg->channels = g_slist_append(cg->channels, ch); |
158 | } | |
159 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
160 | } |
161 | ||
ba7dd8bb | 162 | /* Analog channels, channel groups and pattern generators. */ |
d91d0b12 | 163 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); |
f18e0db3 | 164 | if (num_analog_channels > 0) { |
a6e5d2f6 FS |
165 | /* |
166 | * Have the waveform for analog patterns pre-generated. It's | |
167 | * supposed to be periodic, so the generator just needs to | |
168 | * access the prepared sample data (DDS style). | |
169 | */ | |
170 | demo_generate_analog_pattern(devc); | |
171 | ||
f18e0db3 LPC |
172 | pattern = 0; |
173 | /* An "Analog" channel group with all analog channels in it. */ | |
174 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
175 | acg->name = g_strdup("Analog"); | |
176 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
177 | ||
f18e0db3 LPC |
178 | for (i = 0; i < num_analog_channels; i++) { |
179 | snprintf(channel_name, 16, "A%d", i); | |
180 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
f1c79a6a | 181 | TRUE, channel_name); |
f18e0db3 LPC |
182 | acg->channels = g_slist_append(acg->channels, ch); |
183 | ||
184 | /* Every analog channel gets its own channel group as well. */ | |
185 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
186 | cg->name = g_strdup(channel_name); | |
187 | cg->channels = g_slist_append(NULL, ch); | |
188 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
189 | ||
190 | /* Every channel gets a generator struct. */ | |
191 | ag = g_malloc(sizeof(struct analog_gen)); | |
01f2adb0 | 192 | ag->ch = ch; |
94f364ec FS |
193 | ag->mq = SR_MQ_VOLTAGE; |
194 | ag->mq_flags = SR_MQFLAG_DC; | |
195 | ag->unit = SR_UNIT_VOLT; | |
f18e0db3 | 196 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; |
a6e5d2f6 | 197 | ag->offset = DEFAULT_ANALOG_OFFSET; |
3be044aa | 198 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 | 199 | ag->packet.meaning->channels = cg->channels; |
94f364ec FS |
200 | ag->packet.meaning->mq = ag->mq; |
201 | ag->packet.meaning->mqflags = ag->mq_flags; | |
202 | ag->packet.meaning->unit = ag->unit; | |
8430c9b6 FS |
203 | ag->packet.encoding->digits = DEFAULT_ANALOG_ENCODING_DIGITS; |
204 | ag->packet.spec->spec_digits = DEFAULT_ANALOG_SPEC_DIGITS; | |
a6e5d2f6 | 205 | ag->packet.data = devc->analog_patterns[pattern]; |
f18e0db3 LPC |
206 | ag->pattern = pattern; |
207 | ag->avg_val = 0.0f; | |
208 | ag->num_avgs = 0; | |
209 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
210 | ||
211 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
212 | pattern = 0; | |
213 | } | |
33ef7573 | 214 | } |
33ef7573 JH |
215 | |
216 | sdi->priv = devc; | |
217 | ||
43376f33 | 218 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
219 | } |
220 | ||
3553451f | 221 | static void clear_helper(struct dev_context *devc) |
ed0b7fed | 222 | { |
49224c28 BV |
223 | GHashTableIter iter; |
224 | void *value; | |
ed0b7fed | 225 | |
49224c28 BV |
226 | /* Analog generators. */ |
227 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
228 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
229 | g_free(value); | |
230 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
231 | } |
232 | ||
6ab68731 | 233 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 234 | { |
3553451f | 235 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
6239c175 UH |
236 | } |
237 | ||
dd7a72ea UH |
238 | static int config_get(uint32_t key, GVariant **data, |
239 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 240 | { |
c07f60e7 | 241 | struct dev_context *devc; |
ba7dd8bb | 242 | struct sr_channel *ch; |
2388ae86 | 243 | struct analog_gen *ag; |
94f364ec | 244 | GVariant *mq_arr[2]; |
2388ae86 | 245 | int pattern; |
6f57fd96 | 246 | |
2388ae86 BV |
247 | if (!sdi) |
248 | return SR_ERR_ARG; | |
8f996b89 | 249 | |
c07f60e7 | 250 | devc = sdi->priv; |
584560f1 | 251 | switch (key) { |
123e1313 | 252 | case SR_CONF_SAMPLERATE: |
a7684294 | 253 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 254 | break; |
2474d87e | 255 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 256 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
257 | break; |
258 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 259 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 260 | break; |
fb193945 GS |
261 | case SR_CONF_LIMIT_FRAMES: |
262 | *data = g_variant_new_uint64(devc->limit_frames); | |
263 | break; | |
7a8a1aba BG |
264 | case SR_CONF_AVERAGING: |
265 | *data = g_variant_new_boolean(devc->avg); | |
266 | break; | |
267 | case SR_CONF_AVG_SAMPLES: | |
268 | *data = g_variant_new_uint64(devc->avg_samples); | |
269 | break; | |
94f364ec FS |
270 | case SR_CONF_MEASURED_QUANTITY: |
271 | if (!cg) | |
272 | return SR_ERR_CHANNEL_GROUP; | |
273 | /* Any channel in the group will do. */ | |
274 | ch = cg->channels->data; | |
275 | if (ch->type != SR_CHANNEL_ANALOG) | |
276 | return SR_ERR_ARG; | |
277 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
278 | mq_arr[0] = g_variant_new_uint32(ag->mq); | |
279 | mq_arr[1] = g_variant_new_uint64(ag->mq_flags); | |
280 | *data = g_variant_new_tuple(mq_arr, 2); | |
281 | break; | |
2474d87e | 282 | case SR_CONF_PATTERN_MODE: |
53b4680f | 283 | if (!cg) |
660e398f | 284 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 285 | /* Any channel in the group will do. */ |
ba7dd8bb | 286 | ch = cg->channels->data; |
3f239f08 | 287 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
288 | pattern = devc->logic_pattern; |
289 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 290 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 291 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
292 | pattern = ag->pattern; |
293 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
294 | } else | |
295 | return SR_ERR_BUG; | |
c07f60e7 | 296 | break; |
dddabe37 BV |
297 | case SR_CONF_AMPLITUDE: |
298 | if (!cg) | |
299 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 300 | /* Any channel in the group will do. */ |
dddabe37 BV |
301 | ch = cg->channels->data; |
302 | if (ch->type != SR_CHANNEL_ANALOG) | |
303 | return SR_ERR_ARG; | |
49224c28 | 304 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
305 | *data = g_variant_new_double(ag->amplitude); |
306 | break; | |
31f69b09 | 307 | case SR_CONF_CAPTURE_RATIO: |
308 | *data = g_variant_new_uint64(devc->capture_ratio); | |
309 | break; | |
7dfcf010 | 310 | default: |
bd6fbf62 | 311 | return SR_ERR_NA; |
6239c175 UH |
312 | } |
313 | ||
dfb0fa1a | 314 | return SR_OK; |
6239c175 UH |
315 | } |
316 | ||
dd7a72ea UH |
317 | static int config_set(uint32_t key, GVariant *data, |
318 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 319 | { |
8b2d41ed | 320 | struct dev_context *devc; |
4374219b | 321 | struct analog_gen *ag; |
ba7dd8bb | 322 | struct sr_channel *ch; |
94f364ec | 323 | GVariant *mq_tuple_child; |
49224c28 | 324 | GSList *l; |
a9010323 | 325 | int logic_pattern, analog_pattern; |
6239c175 | 326 | |
8b2d41ed | 327 | devc = sdi->priv; |
6239c175 | 328 | |
584560f1 | 329 | switch (key) { |
2388ae86 | 330 | case SR_CONF_SAMPLERATE: |
a7684294 | 331 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
332 | break; |
333 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
334 | devc->limit_msec = 0; |
335 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
336 | break; |
337 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
338 | devc->limit_msec = g_variant_get_uint64(data); |
339 | devc->limit_samples = 0; | |
2388ae86 | 340 | break; |
fb193945 GS |
341 | case SR_CONF_LIMIT_FRAMES: |
342 | devc->limit_frames = g_variant_get_uint64(data); | |
343 | break; | |
7a8a1aba BG |
344 | case SR_CONF_AVERAGING: |
345 | devc->avg = g_variant_get_boolean(data); | |
346 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
347 | break; | |
348 | case SR_CONF_AVG_SAMPLES: | |
349 | devc->avg_samples = g_variant_get_uint64(data); | |
350 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
351 | break; | |
94f364ec FS |
352 | case SR_CONF_MEASURED_QUANTITY: |
353 | if (!cg) | |
354 | return SR_ERR_CHANNEL_GROUP; | |
355 | for (l = cg->channels; l; l = l->next) { | |
356 | ch = l->data; | |
357 | if (ch->type != SR_CHANNEL_ANALOG) | |
358 | return SR_ERR_ARG; | |
359 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
360 | mq_tuple_child = g_variant_get_child_value(data, 0); | |
361 | ag->mq = g_variant_get_uint32(mq_tuple_child); | |
362 | mq_tuple_child = g_variant_get_child_value(data, 1); | |
363 | ag->mq_flags = g_variant_get_uint64(mq_tuple_child); | |
364 | g_variant_unref(mq_tuple_child); | |
365 | } | |
366 | break; | |
2388ae86 | 367 | case SR_CONF_PATTERN_MODE: |
53b4680f | 368 | if (!cg) |
660e398f | 369 | return SR_ERR_CHANNEL_GROUP; |
697fb6dd UH |
370 | logic_pattern = std_str_idx(data, ARRAY_AND_SIZE(logic_pattern_str)); |
371 | analog_pattern = std_str_idx(data, ARRAY_AND_SIZE(analog_pattern_str)); | |
372 | if (logic_pattern < 0 && analog_pattern < 0) | |
49224c28 BV |
373 | return SR_ERR_ARG; |
374 | for (l = cg->channels; l; l = l->next) { | |
375 | ch = l->data; | |
376 | if (ch->type == SR_CHANNEL_LOGIC) { | |
377 | if (logic_pattern == -1) | |
378 | return SR_ERR_ARG; | |
379 | sr_dbg("Setting logic pattern to %s", | |
380 | logic_pattern_str[logic_pattern]); | |
381 | devc->logic_pattern = logic_pattern; | |
382 | /* Might as well do this now, these are static. */ | |
383 | if (logic_pattern == PATTERN_ALL_LOW) | |
384 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
385 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
386 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
387 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
388 | if (analog_pattern == -1) | |
389 | return SR_ERR_ARG; | |
390 | sr_dbg("Setting analog pattern for channel %s to %s", | |
391 | ch->name, analog_pattern_str[analog_pattern]); | |
392 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
393 | ag->pattern = analog_pattern; | |
394 | } else | |
395 | return SR_ERR_BUG; | |
396 | } | |
2388ae86 | 397 | break; |
dddabe37 BV |
398 | case SR_CONF_AMPLITUDE: |
399 | if (!cg) | |
400 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
401 | for (l = cg->channels; l; l = l->next) { |
402 | ch = l->data; | |
403 | if (ch->type != SR_CHANNEL_ANALOG) | |
404 | return SR_ERR_ARG; | |
405 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
406 | ag->amplitude = g_variant_get_double(data); | |
407 | } | |
dddabe37 | 408 | break; |
31f69b09 | 409 | case SR_CONF_CAPTURE_RATIO: |
410 | devc->capture_ratio = g_variant_get_uint64(data); | |
411 | break; | |
2388ae86 | 412 | default: |
a9010323 | 413 | return SR_ERR_NA; |
6239c175 UH |
414 | } |
415 | ||
a9010323 | 416 | return SR_OK; |
6239c175 UH |
417 | } |
418 | ||
dd7a72ea UH |
419 | static int config_list(uint32_t key, GVariant **data, |
420 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 421 | { |
ba7dd8bb | 422 | struct sr_channel *ch; |
a1c743fc | 423 | |
53b4680f | 424 | if (!cg) { |
7a1da331 | 425 | switch (key) { |
e66d1892 | 426 | case SR_CONF_SCAN_OPTIONS: |
7a1da331 | 427 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 428 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7a1da331 | 429 | case SR_CONF_SAMPLERATE: |
53012da6 | 430 | *data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates)); |
7a1da331 | 431 | break; |
31f69b09 | 432 | case SR_CONF_TRIGGER_MATCH: |
433 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
434 | break; | |
7a1da331 BV |
435 | default: |
436 | return SR_ERR_NA; | |
437 | } | |
438 | } else { | |
ba7dd8bb | 439 | ch = cg->channels->data; |
7a1da331 BV |
440 | switch (key) { |
441 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 442 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 443 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_logic)); |
e2b99f04 SA |
444 | else if (ch->type == SR_CHANNEL_ANALOG) { |
445 | if (strcmp(cg->name, "Analog") == 0) | |
53012da6 | 446 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_group)); |
e2b99f04 | 447 | else |
53012da6 | 448 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_channel)); |
e2b99f04 | 449 | } |
49224c28 BV |
450 | else |
451 | return SR_ERR_BUG; | |
7a1da331 BV |
452 | break; |
453 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
454 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
455 | if (strcmp(cg->name, "Analog") == 0) | |
456 | return SR_ERR_NA; | |
457 | ||
3f239f08 | 458 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 459 | *data = g_variant_new_strv(ARRAY_AND_SIZE(logic_pattern_str)); |
3f239f08 | 460 | else if (ch->type == SR_CHANNEL_ANALOG) |
53012da6 | 461 | *data = g_variant_new_strv(ARRAY_AND_SIZE(analog_pattern_str)); |
2388ae86 BV |
462 | else |
463 | return SR_ERR_BUG; | |
7a1da331 BV |
464 | break; |
465 | default: | |
466 | return SR_ERR_NA; | |
467 | } | |
a1c743fc BV |
468 | } |
469 | ||
470 | return SR_OK; | |
471 | } | |
472 | ||
695dc859 | 473 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 474 | { |
61c39f54 | 475 | struct dev_context *devc; |
1b7b72d4 GS |
476 | GSList *l; |
477 | struct sr_channel *ch; | |
4a465510 GS |
478 | int bitpos; |
479 | uint8_t mask; | |
6fc51fb1 | 480 | struct sr_trigger *trigger; |
85b5af06 | 481 | |
61c39f54 | 482 | devc = sdi->priv; |
a49a320d | 483 | devc->sent_samples = 0; |
767ca135 | 484 | devc->sent_frame_samples = 0; |
85b5af06 | 485 | |
d1078180 SA |
486 | /* Setup triggers */ |
487 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
488 | int pre_trigger_samples = 0; | |
489 | if (devc->limit_samples > 0) | |
490 | pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100; | |
491 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
492 | if (!devc->stl) | |
493 | return SR_ERR_MALLOC; | |
494 | ||
495 | /* Disable all analog channels since using them when there are logic | |
496 | * triggers set up would require having pre-trigger sample buffers | |
497 | * for analog sample data. | |
498 | */ | |
499 | for (l = sdi->channels; l; l = l->next) { | |
500 | ch = l->data; | |
501 | if (ch->type == SR_CHANNEL_ANALOG) | |
502 | ch->enabled = FALSE; | |
503 | } | |
504 | } | |
505 | devc->trigger_fired = FALSE; | |
506 | ||
4a465510 GS |
507 | /* |
508 | * Determine the numbers of logic and analog channels that are | |
509 | * involved in the acquisition. Determine an offset and a mask to | |
510 | * remove excess logic data content before datafeed submission. | |
511 | */ | |
1b7b72d4 GS |
512 | devc->enabled_logic_channels = 0; |
513 | devc->enabled_analog_channels = 0; | |
514 | for (l = sdi->channels; l; l = l->next) { | |
515 | ch = l->data; | |
516 | if (!ch->enabled) | |
517 | continue; | |
518 | if (ch->type == SR_CHANNEL_ANALOG) { | |
519 | devc->enabled_analog_channels++; | |
520 | continue; | |
521 | } | |
4a465510 | 522 | if (ch->type != SR_CHANNEL_LOGIC) |
1b7b72d4 | 523 | continue; |
4a465510 GS |
524 | /* |
525 | * TODO: Need we create a channel map here, such that the | |
526 | * session datafeed packets will have a dense representation | |
527 | * of the enabled channels' data? For example store channels | |
528 | * D3 and D5 in bit positions 0 and 1 respectively, when all | |
529 | * other channels are disabled? The current implementation | |
530 | * generates a sparse layout, might provide data for logic | |
531 | * channels that are disabled while it might suppress data | |
532 | * from enabled channels at the same time. | |
533 | */ | |
534 | devc->enabled_logic_channels++; | |
1b7b72d4 | 535 | } |
4a465510 GS |
536 | devc->first_partial_logic_index = devc->enabled_logic_channels / 8; |
537 | bitpos = devc->enabled_logic_channels % 8; | |
538 | mask = (1 << bitpos) - 1; | |
539 | devc->first_partial_logic_mask = mask; | |
91057d2f UH |
540 | sr_dbg("num logic %zu, partial off %zu, mask 0x%02x.", |
541 | devc->enabled_logic_channels, | |
4a465510 GS |
542 | devc->first_partial_logic_index, |
543 | devc->first_partial_logic_mask); | |
544 | ||
98c01fe1 | 545 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 546 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 547 | |
bee2b016 | 548 | std_session_send_df_header(sdi); |
f366e86c | 549 | |
fb193945 | 550 | if (devc->limit_frames > 0) |
f55bea76 SA |
551 | std_session_send_frame_begin(sdi); |
552 | ||
3b203673 | 553 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
554 | devc->start_us = g_get_monotonic_time(); |
555 | devc->spent_us = 0; | |
471ac344 | 556 | devc->step = 0; |
3b203673 | 557 | |
e46b8fb1 | 558 | return SR_OK; |
6239c175 UH |
559 | } |
560 | ||
695dc859 | 561 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 562 | { |
fb193945 GS |
563 | struct dev_context *devc; |
564 | ||
027bf077 | 565 | sr_session_source_remove(sdi->session, -1); |
f55bea76 | 566 | |
fb193945 GS |
567 | devc = sdi->priv; |
568 | if (devc->limit_frames > 0) | |
f55bea76 SA |
569 | std_session_send_frame_end(sdi); |
570 | ||
bee2b016 | 571 | std_session_send_df_end(sdi); |
7fd3e859 | 572 | |
6fc51fb1 | 573 | if (devc->stl) { |
574 | soft_trigger_logic_free(devc->stl); | |
575 | devc->stl = NULL; | |
576 | } | |
577 | ||
3010f21c | 578 | return SR_OK; |
6239c175 UH |
579 | } |
580 | ||
dd5c48a6 | 581 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
582 | .name = "demo", |
583 | .longname = "Demo driver and pattern generator", | |
584 | .api_version = 1, | |
c2fdcc25 | 585 | .init = std_init, |
700d6b64 | 586 | .cleanup = std_cleanup, |
6078d2c9 | 587 | .scan = scan, |
c01bf34c | 588 | .dev_list = std_dev_list, |
6ab68731 | 589 | .dev_clear = dev_clear, |
035a1078 BV |
590 | .config_get = config_get, |
591 | .config_set = config_set, | |
a1c743fc | 592 | .config_list = config_list, |
4d67b9d9 UH |
593 | .dev_open = std_dummy_dev_open, |
594 | .dev_close = std_dummy_dev_close, | |
6078d2c9 UH |
595 | .dev_acquisition_start = dev_acquisition_start, |
596 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 597 | .context = NULL, |
6239c175 | 598 | }; |
dd5c48a6 | 599 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |