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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 | |
4d8338bb | 35 | #define DEFAULT_NUM_ANALOG_CHANNELS 5 |
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, | |
9618fde4 | 80 | SR_CONF_OFFSET | SR_CONF_GET | SR_CONF_SET, |
e2b99f04 SA |
81 | }; |
82 | ||
83 | static const uint32_t devopts_cg_analog_channel[] = { | |
94f364ec | 84 | SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET, |
f12d9979 BV |
85 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
86 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
9618fde4 | 87 | SR_CONF_OFFSET | SR_CONF_GET | SR_CONF_SET, |
7a1da331 BV |
88 | }; |
89 | ||
31f69b09 | 90 | static const int32_t trigger_matches[] = { |
91 | SR_TRIGGER_ZERO, | |
92 | SR_TRIGGER_ONE, | |
93 | SR_TRIGGER_RISING, | |
94 | SR_TRIGGER_FALLING, | |
95 | SR_TRIGGER_EDGE, | |
96 | }; | |
97 | ||
d00088ca BV |
98 | static const uint64_t samplerates[] = { |
99 | SR_HZ(1), | |
100 | SR_GHZ(1), | |
101 | SR_HZ(1), | |
4bfbf9fc BV |
102 | }; |
103 | ||
4f840ce9 | 104 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 105 | { |
33ef7573 | 106 | struct dev_context *devc; |
c07f60e7 | 107 | struct sr_dev_inst *sdi; |
ba7dd8bb | 108 | struct sr_channel *ch; |
49224c28 | 109 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 110 | struct sr_config *src; |
8b2d41ed | 111 | struct analog_gen *ag; |
43376f33 | 112 | GSList *l; |
ba7dd8bb | 113 | int num_logic_channels, num_analog_channels, pattern, i; |
53ea2461 | 114 | uint64_t limit_frames; |
ba7dd8bb | 115 | char channel_name[16]; |
067d0716 | 116 | |
3f239f08 UH |
117 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
118 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
53ea2461 | 119 | limit_frames = DEFAULT_LIMIT_FRAMES; |
c07f60e7 BV |
120 | for (l = options; l; l = l->next) { |
121 | src = l->data; | |
122 | switch (src->key) { | |
3f239f08 | 123 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 124 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 125 | break; |
3f239f08 | 126 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 127 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 | 128 | break; |
53ea2461 GS |
129 | case SR_CONF_LIMIT_FRAMES: |
130 | limit_frames = g_variant_get_uint64(src->data); | |
131 | break; | |
c07f60e7 BV |
132 | } |
133 | } | |
85b5af06 | 134 | |
aac29cc1 | 135 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 136 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 137 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 138 | |
a49a320d | 139 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 140 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
141 | devc->num_logic_channels = num_logic_channels; |
142 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
015f0970 GS |
143 | devc->all_logic_channels_mask = 1UL << 0; |
144 | devc->all_logic_channels_mask <<= devc->num_logic_channels; | |
145 | devc->all_logic_channels_mask--; | |
b1e6eec6 | 146 | devc->logic_pattern = DEFAULT_LOGIC_PATTERN; |
ba7dd8bb | 147 | devc->num_analog_channels = num_analog_channels; |
53ea2461 | 148 | devc->limit_frames = limit_frames; |
6fc51fb1 | 149 | devc->capture_ratio = 20; |
150 | devc->stl = NULL; | |
8b2d41ed | 151 | |
f18e0db3 LPC |
152 | if (num_logic_channels > 0) { |
153 | /* Logic channels, all in one channel group. */ | |
154 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
155 | cg->name = g_strdup("Logic"); | |
156 | for (i = 0; i < num_logic_channels; i++) { | |
157 | sprintf(channel_name, "D%d", i); | |
f1c79a6a | 158 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); |
f18e0db3 LPC |
159 | cg->channels = g_slist_append(cg->channels, ch); |
160 | } | |
161 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
162 | } |
163 | ||
ba7dd8bb | 164 | /* Analog channels, channel groups and pattern generators. */ |
d91d0b12 | 165 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); |
f18e0db3 | 166 | if (num_analog_channels > 0) { |
a6e5d2f6 FS |
167 | /* |
168 | * Have the waveform for analog patterns pre-generated. It's | |
169 | * supposed to be periodic, so the generator just needs to | |
170 | * access the prepared sample data (DDS style). | |
171 | */ | |
172 | demo_generate_analog_pattern(devc); | |
173 | ||
f18e0db3 LPC |
174 | pattern = 0; |
175 | /* An "Analog" channel group with all analog channels in it. */ | |
176 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
177 | acg->name = g_strdup("Analog"); | |
178 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
179 | ||
f18e0db3 LPC |
180 | for (i = 0; i < num_analog_channels; i++) { |
181 | snprintf(channel_name, 16, "A%d", i); | |
182 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
f1c79a6a | 183 | TRUE, channel_name); |
f18e0db3 LPC |
184 | acg->channels = g_slist_append(acg->channels, ch); |
185 | ||
186 | /* Every analog channel gets its own channel group as well. */ | |
187 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
188 | cg->name = g_strdup(channel_name); | |
189 | cg->channels = g_slist_append(NULL, ch); | |
190 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
191 | ||
192 | /* Every channel gets a generator struct. */ | |
193 | ag = g_malloc(sizeof(struct analog_gen)); | |
01f2adb0 | 194 | ag->ch = ch; |
94f364ec FS |
195 | ag->mq = SR_MQ_VOLTAGE; |
196 | ag->mq_flags = SR_MQFLAG_DC; | |
197 | ag->unit = SR_UNIT_VOLT; | |
f18e0db3 | 198 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; |
a6e5d2f6 | 199 | ag->offset = DEFAULT_ANALOG_OFFSET; |
3be044aa | 200 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 | 201 | ag->packet.meaning->channels = cg->channels; |
94f364ec FS |
202 | ag->packet.meaning->mq = ag->mq; |
203 | ag->packet.meaning->mqflags = ag->mq_flags; | |
204 | ag->packet.meaning->unit = ag->unit; | |
8430c9b6 FS |
205 | ag->packet.encoding->digits = DEFAULT_ANALOG_ENCODING_DIGITS; |
206 | ag->packet.spec->spec_digits = DEFAULT_ANALOG_SPEC_DIGITS; | |
a6e5d2f6 | 207 | ag->packet.data = devc->analog_patterns[pattern]; |
f18e0db3 LPC |
208 | ag->pattern = pattern; |
209 | ag->avg_val = 0.0f; | |
210 | ag->num_avgs = 0; | |
211 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
212 | ||
213 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
214 | pattern = 0; | |
215 | } | |
33ef7573 | 216 | } |
33ef7573 JH |
217 | |
218 | sdi->priv = devc; | |
219 | ||
43376f33 | 220 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
221 | } |
222 | ||
3553451f | 223 | static void clear_helper(struct dev_context *devc) |
ed0b7fed | 224 | { |
49224c28 BV |
225 | GHashTableIter iter; |
226 | void *value; | |
ed0b7fed | 227 | |
f216309f MS |
228 | demo_free_analog_pattern(devc); |
229 | ||
49224c28 BV |
230 | /* Analog generators. */ |
231 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
232 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
233 | g_free(value); | |
234 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
235 | } |
236 | ||
6ab68731 | 237 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 238 | { |
3553451f | 239 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
6239c175 UH |
240 | } |
241 | ||
dd7a72ea UH |
242 | static int config_get(uint32_t key, GVariant **data, |
243 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 244 | { |
c07f60e7 | 245 | struct dev_context *devc; |
ba7dd8bb | 246 | struct sr_channel *ch; |
2388ae86 | 247 | struct analog_gen *ag; |
94f364ec | 248 | GVariant *mq_arr[2]; |
2388ae86 | 249 | int pattern; |
6f57fd96 | 250 | |
2388ae86 BV |
251 | if (!sdi) |
252 | return SR_ERR_ARG; | |
8f996b89 | 253 | |
c07f60e7 | 254 | devc = sdi->priv; |
584560f1 | 255 | switch (key) { |
123e1313 | 256 | case SR_CONF_SAMPLERATE: |
a7684294 | 257 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 258 | break; |
2474d87e | 259 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 260 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
261 | break; |
262 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 263 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 264 | break; |
fb193945 GS |
265 | case SR_CONF_LIMIT_FRAMES: |
266 | *data = g_variant_new_uint64(devc->limit_frames); | |
267 | break; | |
7a8a1aba BG |
268 | case SR_CONF_AVERAGING: |
269 | *data = g_variant_new_boolean(devc->avg); | |
270 | break; | |
271 | case SR_CONF_AVG_SAMPLES: | |
272 | *data = g_variant_new_uint64(devc->avg_samples); | |
273 | break; | |
94f364ec FS |
274 | case SR_CONF_MEASURED_QUANTITY: |
275 | if (!cg) | |
276 | return SR_ERR_CHANNEL_GROUP; | |
277 | /* Any channel in the group will do. */ | |
278 | ch = cg->channels->data; | |
279 | if (ch->type != SR_CHANNEL_ANALOG) | |
280 | return SR_ERR_ARG; | |
281 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
282 | mq_arr[0] = g_variant_new_uint32(ag->mq); | |
283 | mq_arr[1] = g_variant_new_uint64(ag->mq_flags); | |
284 | *data = g_variant_new_tuple(mq_arr, 2); | |
285 | break; | |
2474d87e | 286 | case SR_CONF_PATTERN_MODE: |
53b4680f | 287 | if (!cg) |
660e398f | 288 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 289 | /* Any channel in the group will do. */ |
ba7dd8bb | 290 | ch = cg->channels->data; |
3f239f08 | 291 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
292 | pattern = devc->logic_pattern; |
293 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 294 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 295 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
296 | pattern = ag->pattern; |
297 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
298 | } else | |
299 | return SR_ERR_BUG; | |
c07f60e7 | 300 | break; |
dddabe37 BV |
301 | case SR_CONF_AMPLITUDE: |
302 | if (!cg) | |
303 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 304 | /* Any channel in the group will do. */ |
dddabe37 BV |
305 | ch = cg->channels->data; |
306 | if (ch->type != SR_CHANNEL_ANALOG) | |
307 | return SR_ERR_ARG; | |
49224c28 | 308 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
309 | *data = g_variant_new_double(ag->amplitude); |
310 | break; | |
9618fde4 FS |
311 | case SR_CONF_OFFSET: |
312 | if (!cg) | |
313 | return SR_ERR_CHANNEL_GROUP; | |
314 | /* Any channel in the group will do. */ | |
315 | ch = cg->channels->data; | |
316 | if (ch->type != SR_CHANNEL_ANALOG) | |
317 | return SR_ERR_ARG; | |
318 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
319 | *data = g_variant_new_double(ag->offset); | |
320 | break; | |
31f69b09 | 321 | case SR_CONF_CAPTURE_RATIO: |
322 | *data = g_variant_new_uint64(devc->capture_ratio); | |
323 | break; | |
7dfcf010 | 324 | default: |
bd6fbf62 | 325 | return SR_ERR_NA; |
6239c175 UH |
326 | } |
327 | ||
dfb0fa1a | 328 | return SR_OK; |
6239c175 UH |
329 | } |
330 | ||
dd7a72ea UH |
331 | static int config_set(uint32_t key, GVariant *data, |
332 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 333 | { |
8b2d41ed | 334 | struct dev_context *devc; |
4374219b | 335 | struct analog_gen *ag; |
ba7dd8bb | 336 | struct sr_channel *ch; |
94f364ec | 337 | GVariant *mq_tuple_child; |
49224c28 | 338 | GSList *l; |
a9010323 | 339 | int logic_pattern, analog_pattern; |
6239c175 | 340 | |
8b2d41ed | 341 | devc = sdi->priv; |
6239c175 | 342 | |
584560f1 | 343 | switch (key) { |
2388ae86 | 344 | case SR_CONF_SAMPLERATE: |
a7684294 | 345 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
346 | break; |
347 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
348 | devc->limit_msec = 0; |
349 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
350 | break; |
351 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
352 | devc->limit_msec = g_variant_get_uint64(data); |
353 | devc->limit_samples = 0; | |
2388ae86 | 354 | break; |
fb193945 GS |
355 | case SR_CONF_LIMIT_FRAMES: |
356 | devc->limit_frames = g_variant_get_uint64(data); | |
357 | break; | |
7a8a1aba BG |
358 | case SR_CONF_AVERAGING: |
359 | devc->avg = g_variant_get_boolean(data); | |
360 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
361 | break; | |
362 | case SR_CONF_AVG_SAMPLES: | |
363 | devc->avg_samples = g_variant_get_uint64(data); | |
364 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
365 | break; | |
94f364ec FS |
366 | case SR_CONF_MEASURED_QUANTITY: |
367 | if (!cg) | |
368 | return SR_ERR_CHANNEL_GROUP; | |
369 | for (l = cg->channels; l; l = l->next) { | |
370 | ch = l->data; | |
371 | if (ch->type != SR_CHANNEL_ANALOG) | |
372 | return SR_ERR_ARG; | |
373 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
374 | mq_tuple_child = g_variant_get_child_value(data, 0); | |
375 | ag->mq = g_variant_get_uint32(mq_tuple_child); | |
376 | mq_tuple_child = g_variant_get_child_value(data, 1); | |
377 | ag->mq_flags = g_variant_get_uint64(mq_tuple_child); | |
378 | g_variant_unref(mq_tuple_child); | |
379 | } | |
380 | break; | |
2388ae86 | 381 | case SR_CONF_PATTERN_MODE: |
53b4680f | 382 | if (!cg) |
660e398f | 383 | return SR_ERR_CHANNEL_GROUP; |
697fb6dd UH |
384 | logic_pattern = std_str_idx(data, ARRAY_AND_SIZE(logic_pattern_str)); |
385 | analog_pattern = std_str_idx(data, ARRAY_AND_SIZE(analog_pattern_str)); | |
386 | if (logic_pattern < 0 && analog_pattern < 0) | |
49224c28 BV |
387 | return SR_ERR_ARG; |
388 | for (l = cg->channels; l; l = l->next) { | |
389 | ch = l->data; | |
390 | if (ch->type == SR_CHANNEL_LOGIC) { | |
391 | if (logic_pattern == -1) | |
392 | return SR_ERR_ARG; | |
393 | sr_dbg("Setting logic pattern to %s", | |
394 | logic_pattern_str[logic_pattern]); | |
395 | devc->logic_pattern = logic_pattern; | |
396 | /* Might as well do this now, these are static. */ | |
397 | if (logic_pattern == PATTERN_ALL_LOW) | |
398 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
399 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
400 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
401 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
402 | if (analog_pattern == -1) | |
403 | return SR_ERR_ARG; | |
404 | sr_dbg("Setting analog pattern for channel %s to %s", | |
405 | ch->name, analog_pattern_str[analog_pattern]); | |
406 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
407 | ag->pattern = analog_pattern; | |
408 | } else | |
409 | return SR_ERR_BUG; | |
410 | } | |
2388ae86 | 411 | break; |
dddabe37 BV |
412 | case SR_CONF_AMPLITUDE: |
413 | if (!cg) | |
414 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
415 | for (l = cg->channels; l; l = l->next) { |
416 | ch = l->data; | |
417 | if (ch->type != SR_CHANNEL_ANALOG) | |
418 | return SR_ERR_ARG; | |
419 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
420 | ag->amplitude = g_variant_get_double(data); | |
421 | } | |
dddabe37 | 422 | break; |
9618fde4 FS |
423 | case SR_CONF_OFFSET: |
424 | if (!cg) | |
425 | return SR_ERR_CHANNEL_GROUP; | |
426 | for (l = cg->channels; l; l = l->next) { | |
427 | ch = l->data; | |
428 | if (ch->type != SR_CHANNEL_ANALOG) | |
429 | return SR_ERR_ARG; | |
430 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
431 | ag->offset = g_variant_get_double(data); | |
432 | } | |
433 | break; | |
31f69b09 | 434 | case SR_CONF_CAPTURE_RATIO: |
435 | devc->capture_ratio = g_variant_get_uint64(data); | |
436 | break; | |
2388ae86 | 437 | default: |
a9010323 | 438 | return SR_ERR_NA; |
6239c175 UH |
439 | } |
440 | ||
a9010323 | 441 | return SR_OK; |
6239c175 UH |
442 | } |
443 | ||
dd7a72ea UH |
444 | static int config_list(uint32_t key, GVariant **data, |
445 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 446 | { |
ba7dd8bb | 447 | struct sr_channel *ch; |
a1c743fc | 448 | |
53b4680f | 449 | if (!cg) { |
7a1da331 | 450 | switch (key) { |
e66d1892 | 451 | case SR_CONF_SCAN_OPTIONS: |
7a1da331 | 452 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 453 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7a1da331 | 454 | case SR_CONF_SAMPLERATE: |
53012da6 | 455 | *data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates)); |
7a1da331 | 456 | break; |
31f69b09 | 457 | case SR_CONF_TRIGGER_MATCH: |
458 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
459 | break; | |
7a1da331 BV |
460 | default: |
461 | return SR_ERR_NA; | |
462 | } | |
463 | } else { | |
ba7dd8bb | 464 | ch = cg->channels->data; |
7a1da331 BV |
465 | switch (key) { |
466 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 467 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 468 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_logic)); |
e2b99f04 SA |
469 | else if (ch->type == SR_CHANNEL_ANALOG) { |
470 | if (strcmp(cg->name, "Analog") == 0) | |
53012da6 | 471 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_group)); |
e2b99f04 | 472 | else |
53012da6 | 473 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_channel)); |
e2b99f04 | 474 | } |
49224c28 BV |
475 | else |
476 | return SR_ERR_BUG; | |
7a1da331 BV |
477 | break; |
478 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
479 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
480 | if (strcmp(cg->name, "Analog") == 0) | |
481 | return SR_ERR_NA; | |
482 | ||
3f239f08 | 483 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 484 | *data = g_variant_new_strv(ARRAY_AND_SIZE(logic_pattern_str)); |
3f239f08 | 485 | else if (ch->type == SR_CHANNEL_ANALOG) |
53012da6 | 486 | *data = g_variant_new_strv(ARRAY_AND_SIZE(analog_pattern_str)); |
2388ae86 BV |
487 | else |
488 | return SR_ERR_BUG; | |
7a1da331 BV |
489 | break; |
490 | default: | |
491 | return SR_ERR_NA; | |
492 | } | |
a1c743fc BV |
493 | } |
494 | ||
495 | return SR_OK; | |
496 | } | |
497 | ||
695dc859 | 498 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 499 | { |
61c39f54 | 500 | struct dev_context *devc; |
1b7b72d4 GS |
501 | GSList *l; |
502 | struct sr_channel *ch; | |
4a465510 GS |
503 | int bitpos; |
504 | uint8_t mask; | |
6fc51fb1 | 505 | struct sr_trigger *trigger; |
85b5af06 | 506 | |
61c39f54 | 507 | devc = sdi->priv; |
a49a320d | 508 | devc->sent_samples = 0; |
767ca135 | 509 | devc->sent_frame_samples = 0; |
85b5af06 | 510 | |
d1078180 SA |
511 | /* Setup triggers */ |
512 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
513 | int pre_trigger_samples = 0; | |
514 | if (devc->limit_samples > 0) | |
515 | pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100; | |
516 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
517 | if (!devc->stl) | |
518 | return SR_ERR_MALLOC; | |
519 | ||
520 | /* Disable all analog channels since using them when there are logic | |
521 | * triggers set up would require having pre-trigger sample buffers | |
522 | * for analog sample data. | |
523 | */ | |
524 | for (l = sdi->channels; l; l = l->next) { | |
525 | ch = l->data; | |
526 | if (ch->type == SR_CHANNEL_ANALOG) | |
527 | ch->enabled = FALSE; | |
528 | } | |
529 | } | |
530 | devc->trigger_fired = FALSE; | |
531 | ||
4a465510 GS |
532 | /* |
533 | * Determine the numbers of logic and analog channels that are | |
534 | * involved in the acquisition. Determine an offset and a mask to | |
535 | * remove excess logic data content before datafeed submission. | |
536 | */ | |
1b7b72d4 GS |
537 | devc->enabled_logic_channels = 0; |
538 | devc->enabled_analog_channels = 0; | |
539 | for (l = sdi->channels; l; l = l->next) { | |
540 | ch = l->data; | |
541 | if (!ch->enabled) | |
542 | continue; | |
543 | if (ch->type == SR_CHANNEL_ANALOG) { | |
544 | devc->enabled_analog_channels++; | |
545 | continue; | |
546 | } | |
4a465510 | 547 | if (ch->type != SR_CHANNEL_LOGIC) |
1b7b72d4 | 548 | continue; |
4a465510 GS |
549 | /* |
550 | * TODO: Need we create a channel map here, such that the | |
551 | * session datafeed packets will have a dense representation | |
552 | * of the enabled channels' data? For example store channels | |
553 | * D3 and D5 in bit positions 0 and 1 respectively, when all | |
554 | * other channels are disabled? The current implementation | |
555 | * generates a sparse layout, might provide data for logic | |
556 | * channels that are disabled while it might suppress data | |
557 | * from enabled channels at the same time. | |
558 | */ | |
559 | devc->enabled_logic_channels++; | |
1b7b72d4 | 560 | } |
4a465510 GS |
561 | devc->first_partial_logic_index = devc->enabled_logic_channels / 8; |
562 | bitpos = devc->enabled_logic_channels % 8; | |
563 | mask = (1 << bitpos) - 1; | |
564 | devc->first_partial_logic_mask = mask; | |
91057d2f UH |
565 | sr_dbg("num logic %zu, partial off %zu, mask 0x%02x.", |
566 | devc->enabled_logic_channels, | |
4a465510 GS |
567 | devc->first_partial_logic_index, |
568 | devc->first_partial_logic_mask); | |
569 | ||
98c01fe1 | 570 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 571 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 572 | |
bee2b016 | 573 | std_session_send_df_header(sdi); |
f366e86c | 574 | |
fb193945 | 575 | if (devc->limit_frames > 0) |
7f7702b8 | 576 | std_session_send_df_frame_begin(sdi); |
f55bea76 | 577 | |
3b203673 | 578 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
579 | devc->start_us = g_get_monotonic_time(); |
580 | devc->spent_us = 0; | |
471ac344 | 581 | devc->step = 0; |
3b203673 | 582 | |
e46b8fb1 | 583 | return SR_OK; |
6239c175 UH |
584 | } |
585 | ||
695dc859 | 586 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 587 | { |
fb193945 GS |
588 | struct dev_context *devc; |
589 | ||
027bf077 | 590 | sr_session_source_remove(sdi->session, -1); |
f55bea76 | 591 | |
fb193945 GS |
592 | devc = sdi->priv; |
593 | if (devc->limit_frames > 0) | |
7f7702b8 | 594 | std_session_send_df_frame_end(sdi); |
f55bea76 | 595 | |
bee2b016 | 596 | std_session_send_df_end(sdi); |
7fd3e859 | 597 | |
6fc51fb1 | 598 | if (devc->stl) { |
599 | soft_trigger_logic_free(devc->stl); | |
600 | devc->stl = NULL; | |
601 | } | |
602 | ||
3010f21c | 603 | return SR_OK; |
6239c175 UH |
604 | } |
605 | ||
dd5c48a6 | 606 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
607 | .name = "demo", |
608 | .longname = "Demo driver and pattern generator", | |
609 | .api_version = 1, | |
c2fdcc25 | 610 | .init = std_init, |
700d6b64 | 611 | .cleanup = std_cleanup, |
6078d2c9 | 612 | .scan = scan, |
c01bf34c | 613 | .dev_list = std_dev_list, |
6ab68731 | 614 | .dev_clear = dev_clear, |
035a1078 BV |
615 | .config_get = config_get, |
616 | .config_set = config_set, | |
a1c743fc | 617 | .config_list = config_list, |
4d67b9d9 UH |
618 | .dev_open = std_dummy_dev_open, |
619 | .dev_close = std_dummy_dev_close, | |
6078d2c9 UH |
620 | .dev_acquisition_start = dev_acquisition_start, |
621 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 622 | .context = NULL, |
6239c175 | 623 | }; |
dd5c48a6 | 624 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |