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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 FS |
35 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 |
36 | #define DEFAULT_ANALOG_ENCODING_DIGITS 4 | |
37 | #define DEFAULT_ANALOG_SPEC_DIGITS 4 | |
38 | #define DEFAULT_ANALOG_AMPLITUDE 10 | |
85b5af06 | 39 | |
77463bd3 | 40 | /* Note: No spaces allowed because of sigrok-cli. */ |
8b2d41ed | 41 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
42 | "sigrok", |
43 | "random", | |
44 | "incremental", | |
77463bd3 SA |
45 | "walking-one", |
46 | "walking-zero", | |
61c39f54 BV |
47 | "all-low", |
48 | "all-high", | |
81d53a29 | 49 | "squid", |
03733430 | 50 | "graycode", |
61c39f54 BV |
51 | }; |
52 | ||
55fb76b3 UH |
53 | static const uint32_t scanopts[] = { |
54 | SR_CONF_NUM_LOGIC_CHANNELS, | |
55 | SR_CONF_NUM_ANALOG_CHANNELS, | |
53ea2461 | 56 | SR_CONF_LIMIT_FRAMES, |
55fb76b3 UH |
57 | }; |
58 | ||
1e4a7cac BV |
59 | static const uint32_t drvopts[] = { |
60 | SR_CONF_DEMO_DEV, | |
61 | SR_CONF_LOGIC_ANALYZER, | |
62 | SR_CONF_OSCILLOSCOPE, | |
63 | }; | |
64 | ||
390795c0 | 65 | static const uint32_t devopts[] = { |
e91bb0a6 | 66 | SR_CONF_CONTINUOUS, |
5827f61b BV |
67 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
68 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
fb193945 | 69 | SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET, |
390795c0 | 70 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
71 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
72 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
31f69b09 | 73 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, |
74 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
75 | }; |
76 | ||
77 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 78 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
79 | }; |
80 | ||
e2b99f04 SA |
81 | static const uint32_t devopts_cg_analog_group[] = { |
82 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
83 | }; | |
84 | ||
85 | static const uint32_t devopts_cg_analog_channel[] = { | |
94f364ec | 86 | SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET, |
f12d9979 BV |
87 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
88 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
89 | }; |
90 | ||
31f69b09 | 91 | static const int32_t trigger_matches[] = { |
92 | SR_TRIGGER_ZERO, | |
93 | SR_TRIGGER_ONE, | |
94 | SR_TRIGGER_RISING, | |
95 | SR_TRIGGER_FALLING, | |
96 | SR_TRIGGER_EDGE, | |
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 | ||
4f840ce9 | 105 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 106 | { |
33ef7573 | 107 | struct dev_context *devc; |
c07f60e7 | 108 | struct sr_dev_inst *sdi; |
ba7dd8bb | 109 | struct sr_channel *ch; |
49224c28 | 110 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 111 | struct sr_config *src; |
8b2d41ed | 112 | struct analog_gen *ag; |
43376f33 | 113 | GSList *l; |
ba7dd8bb | 114 | int num_logic_channels, num_analog_channels, pattern, i; |
53ea2461 | 115 | uint64_t limit_frames; |
ba7dd8bb | 116 | char channel_name[16]; |
067d0716 | 117 | |
3f239f08 UH |
118 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
119 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
53ea2461 | 120 | limit_frames = DEFAULT_LIMIT_FRAMES; |
c07f60e7 BV |
121 | for (l = options; l; l = l->next) { |
122 | src = l->data; | |
123 | switch (src->key) { | |
3f239f08 | 124 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 125 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 126 | break; |
3f239f08 | 127 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 128 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 | 129 | break; |
53ea2461 GS |
130 | case SR_CONF_LIMIT_FRAMES: |
131 | limit_frames = g_variant_get_uint64(src->data); | |
132 | break; | |
c07f60e7 BV |
133 | } |
134 | } | |
85b5af06 | 135 | |
aac29cc1 | 136 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 137 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 138 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 139 | |
a49a320d | 140 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 141 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
142 | devc->num_logic_channels = num_logic_channels; |
143 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
015f0970 GS |
144 | devc->all_logic_channels_mask = 1UL << 0; |
145 | devc->all_logic_channels_mask <<= devc->num_logic_channels; | |
146 | devc->all_logic_channels_mask--; | |
b1e6eec6 | 147 | devc->logic_pattern = DEFAULT_LOGIC_PATTERN; |
ba7dd8bb | 148 | devc->num_analog_channels = num_analog_channels; |
53ea2461 | 149 | devc->limit_frames = limit_frames; |
6fc51fb1 | 150 | devc->capture_ratio = 20; |
151 | devc->stl = NULL; | |
8b2d41ed | 152 | |
f18e0db3 LPC |
153 | if (num_logic_channels > 0) { |
154 | /* Logic channels, all in one channel group. */ | |
155 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
156 | cg->name = g_strdup("Logic"); | |
157 | for (i = 0; i < num_logic_channels; i++) { | |
158 | sprintf(channel_name, "D%d", i); | |
f1c79a6a | 159 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); |
f18e0db3 LPC |
160 | cg->channels = g_slist_append(cg->channels, ch); |
161 | } | |
162 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
163 | } |
164 | ||
ba7dd8bb | 165 | /* Analog channels, channel groups and pattern generators. */ |
d91d0b12 | 166 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); |
f18e0db3 LPC |
167 | if (num_analog_channels > 0) { |
168 | pattern = 0; | |
169 | /* An "Analog" channel group with all analog channels in it. */ | |
170 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
171 | acg->name = g_strdup("Analog"); | |
172 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
173 | ||
f18e0db3 LPC |
174 | for (i = 0; i < num_analog_channels; i++) { |
175 | snprintf(channel_name, 16, "A%d", i); | |
176 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
f1c79a6a | 177 | TRUE, channel_name); |
f18e0db3 LPC |
178 | acg->channels = g_slist_append(acg->channels, ch); |
179 | ||
180 | /* Every analog channel gets its own channel group as well. */ | |
181 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
182 | cg->name = g_strdup(channel_name); | |
183 | cg->channels = g_slist_append(NULL, ch); | |
184 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
185 | ||
186 | /* Every channel gets a generator struct. */ | |
187 | ag = g_malloc(sizeof(struct analog_gen)); | |
01f2adb0 | 188 | ag->ch = ch; |
94f364ec FS |
189 | ag->mq = SR_MQ_VOLTAGE; |
190 | ag->mq_flags = SR_MQFLAG_DC; | |
191 | ag->unit = SR_UNIT_VOLT; | |
f18e0db3 | 192 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; |
3be044aa | 193 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 | 194 | ag->packet.meaning->channels = cg->channels; |
94f364ec FS |
195 | ag->packet.meaning->mq = ag->mq; |
196 | ag->packet.meaning->mqflags = ag->mq_flags; | |
197 | ag->packet.meaning->unit = ag->unit; | |
8430c9b6 FS |
198 | ag->packet.encoding->digits = DEFAULT_ANALOG_ENCODING_DIGITS; |
199 | ag->packet.spec->spec_digits = DEFAULT_ANALOG_SPEC_DIGITS; | |
f18e0db3 LPC |
200 | ag->packet.data = ag->pattern_data; |
201 | ag->pattern = pattern; | |
202 | ag->avg_val = 0.0f; | |
203 | ag->num_avgs = 0; | |
204 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
205 | ||
206 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
207 | pattern = 0; | |
208 | } | |
33ef7573 | 209 | } |
33ef7573 JH |
210 | |
211 | sdi->priv = devc; | |
212 | ||
43376f33 | 213 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
214 | } |
215 | ||
3553451f | 216 | static void clear_helper(struct dev_context *devc) |
ed0b7fed | 217 | { |
49224c28 BV |
218 | GHashTableIter iter; |
219 | void *value; | |
ed0b7fed | 220 | |
49224c28 BV |
221 | /* Analog generators. */ |
222 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
223 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
224 | g_free(value); | |
225 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
226 | } |
227 | ||
6ab68731 | 228 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 229 | { |
3553451f | 230 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
6239c175 UH |
231 | } |
232 | ||
dd7a72ea UH |
233 | static int config_get(uint32_t key, GVariant **data, |
234 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 235 | { |
c07f60e7 | 236 | struct dev_context *devc; |
ba7dd8bb | 237 | struct sr_channel *ch; |
2388ae86 | 238 | struct analog_gen *ag; |
94f364ec | 239 | GVariant *mq_arr[2]; |
2388ae86 | 240 | int pattern; |
6f57fd96 | 241 | |
2388ae86 BV |
242 | if (!sdi) |
243 | return SR_ERR_ARG; | |
8f996b89 | 244 | |
c07f60e7 | 245 | devc = sdi->priv; |
584560f1 | 246 | switch (key) { |
123e1313 | 247 | case SR_CONF_SAMPLERATE: |
a7684294 | 248 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 249 | break; |
2474d87e | 250 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 251 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
252 | break; |
253 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 254 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 255 | break; |
fb193945 GS |
256 | case SR_CONF_LIMIT_FRAMES: |
257 | *data = g_variant_new_uint64(devc->limit_frames); | |
258 | break; | |
7a8a1aba BG |
259 | case SR_CONF_AVERAGING: |
260 | *data = g_variant_new_boolean(devc->avg); | |
261 | break; | |
262 | case SR_CONF_AVG_SAMPLES: | |
263 | *data = g_variant_new_uint64(devc->avg_samples); | |
264 | break; | |
94f364ec FS |
265 | case SR_CONF_MEASURED_QUANTITY: |
266 | if (!cg) | |
267 | return SR_ERR_CHANNEL_GROUP; | |
268 | /* Any channel in the group will do. */ | |
269 | ch = cg->channels->data; | |
270 | if (ch->type != SR_CHANNEL_ANALOG) | |
271 | return SR_ERR_ARG; | |
272 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
273 | mq_arr[0] = g_variant_new_uint32(ag->mq); | |
274 | mq_arr[1] = g_variant_new_uint64(ag->mq_flags); | |
275 | *data = g_variant_new_tuple(mq_arr, 2); | |
276 | break; | |
2474d87e | 277 | case SR_CONF_PATTERN_MODE: |
53b4680f | 278 | if (!cg) |
660e398f | 279 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 280 | /* Any channel in the group will do. */ |
ba7dd8bb | 281 | ch = cg->channels->data; |
3f239f08 | 282 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
283 | pattern = devc->logic_pattern; |
284 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 285 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 286 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
287 | pattern = ag->pattern; |
288 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
289 | } else | |
290 | return SR_ERR_BUG; | |
c07f60e7 | 291 | break; |
dddabe37 BV |
292 | case SR_CONF_AMPLITUDE: |
293 | if (!cg) | |
294 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 295 | /* Any channel in the group will do. */ |
dddabe37 BV |
296 | ch = cg->channels->data; |
297 | if (ch->type != SR_CHANNEL_ANALOG) | |
298 | return SR_ERR_ARG; | |
49224c28 | 299 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
300 | *data = g_variant_new_double(ag->amplitude); |
301 | break; | |
31f69b09 | 302 | case SR_CONF_CAPTURE_RATIO: |
303 | *data = g_variant_new_uint64(devc->capture_ratio); | |
304 | break; | |
7dfcf010 | 305 | default: |
bd6fbf62 | 306 | return SR_ERR_NA; |
6239c175 UH |
307 | } |
308 | ||
dfb0fa1a | 309 | return SR_OK; |
6239c175 UH |
310 | } |
311 | ||
dd7a72ea UH |
312 | static int config_set(uint32_t key, GVariant *data, |
313 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
6239c175 | 314 | { |
8b2d41ed | 315 | struct dev_context *devc; |
4374219b | 316 | struct analog_gen *ag; |
ba7dd8bb | 317 | struct sr_channel *ch; |
94f364ec | 318 | GVariant *mq_tuple_child; |
49224c28 | 319 | GSList *l; |
a9010323 | 320 | int logic_pattern, analog_pattern; |
6239c175 | 321 | |
8b2d41ed | 322 | devc = sdi->priv; |
6239c175 | 323 | |
584560f1 | 324 | switch (key) { |
2388ae86 | 325 | case SR_CONF_SAMPLERATE: |
a7684294 | 326 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
327 | break; |
328 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
329 | devc->limit_msec = 0; |
330 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
331 | break; |
332 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
333 | devc->limit_msec = g_variant_get_uint64(data); |
334 | devc->limit_samples = 0; | |
2388ae86 | 335 | break; |
fb193945 GS |
336 | case SR_CONF_LIMIT_FRAMES: |
337 | devc->limit_frames = g_variant_get_uint64(data); | |
338 | break; | |
7a8a1aba BG |
339 | case SR_CONF_AVERAGING: |
340 | devc->avg = g_variant_get_boolean(data); | |
341 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
342 | break; | |
343 | case SR_CONF_AVG_SAMPLES: | |
344 | devc->avg_samples = g_variant_get_uint64(data); | |
345 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
346 | break; | |
94f364ec FS |
347 | case SR_CONF_MEASURED_QUANTITY: |
348 | if (!cg) | |
349 | return SR_ERR_CHANNEL_GROUP; | |
350 | for (l = cg->channels; l; l = l->next) { | |
351 | ch = l->data; | |
352 | if (ch->type != SR_CHANNEL_ANALOG) | |
353 | return SR_ERR_ARG; | |
354 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
355 | mq_tuple_child = g_variant_get_child_value(data, 0); | |
356 | ag->mq = g_variant_get_uint32(mq_tuple_child); | |
357 | mq_tuple_child = g_variant_get_child_value(data, 1); | |
358 | ag->mq_flags = g_variant_get_uint64(mq_tuple_child); | |
359 | g_variant_unref(mq_tuple_child); | |
360 | } | |
361 | break; | |
2388ae86 | 362 | case SR_CONF_PATTERN_MODE: |
53b4680f | 363 | if (!cg) |
660e398f | 364 | return SR_ERR_CHANNEL_GROUP; |
697fb6dd UH |
365 | logic_pattern = std_str_idx(data, ARRAY_AND_SIZE(logic_pattern_str)); |
366 | analog_pattern = std_str_idx(data, ARRAY_AND_SIZE(analog_pattern_str)); | |
367 | if (logic_pattern < 0 && analog_pattern < 0) | |
49224c28 BV |
368 | return SR_ERR_ARG; |
369 | for (l = cg->channels; l; l = l->next) { | |
370 | ch = l->data; | |
371 | if (ch->type == SR_CHANNEL_LOGIC) { | |
372 | if (logic_pattern == -1) | |
373 | return SR_ERR_ARG; | |
374 | sr_dbg("Setting logic pattern to %s", | |
375 | logic_pattern_str[logic_pattern]); | |
376 | devc->logic_pattern = logic_pattern; | |
377 | /* Might as well do this now, these are static. */ | |
378 | if (logic_pattern == PATTERN_ALL_LOW) | |
379 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
380 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
381 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
382 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
383 | if (analog_pattern == -1) | |
384 | return SR_ERR_ARG; | |
385 | sr_dbg("Setting analog pattern for channel %s to %s", | |
386 | ch->name, analog_pattern_str[analog_pattern]); | |
387 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
388 | ag->pattern = analog_pattern; | |
389 | } else | |
390 | return SR_ERR_BUG; | |
391 | } | |
2388ae86 | 392 | break; |
dddabe37 BV |
393 | case SR_CONF_AMPLITUDE: |
394 | if (!cg) | |
395 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
396 | for (l = cg->channels; l; l = l->next) { |
397 | ch = l->data; | |
398 | if (ch->type != SR_CHANNEL_ANALOG) | |
399 | return SR_ERR_ARG; | |
400 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
401 | ag->amplitude = g_variant_get_double(data); | |
402 | } | |
dddabe37 | 403 | break; |
31f69b09 | 404 | case SR_CONF_CAPTURE_RATIO: |
405 | devc->capture_ratio = g_variant_get_uint64(data); | |
406 | break; | |
2388ae86 | 407 | default: |
a9010323 | 408 | return SR_ERR_NA; |
6239c175 UH |
409 | } |
410 | ||
a9010323 | 411 | return SR_OK; |
6239c175 UH |
412 | } |
413 | ||
dd7a72ea UH |
414 | static int config_list(uint32_t key, GVariant **data, |
415 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 416 | { |
ba7dd8bb | 417 | struct sr_channel *ch; |
a1c743fc | 418 | |
53b4680f | 419 | if (!cg) { |
7a1da331 | 420 | switch (key) { |
e66d1892 | 421 | case SR_CONF_SCAN_OPTIONS: |
7a1da331 | 422 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 423 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); |
7a1da331 | 424 | case SR_CONF_SAMPLERATE: |
53012da6 | 425 | *data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates)); |
7a1da331 | 426 | break; |
31f69b09 | 427 | case SR_CONF_TRIGGER_MATCH: |
428 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); | |
429 | break; | |
7a1da331 BV |
430 | default: |
431 | return SR_ERR_NA; | |
432 | } | |
433 | } else { | |
ba7dd8bb | 434 | ch = cg->channels->data; |
7a1da331 BV |
435 | switch (key) { |
436 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 437 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 438 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_logic)); |
e2b99f04 SA |
439 | else if (ch->type == SR_CHANNEL_ANALOG) { |
440 | if (strcmp(cg->name, "Analog") == 0) | |
53012da6 | 441 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_group)); |
e2b99f04 | 442 | else |
53012da6 | 443 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_channel)); |
e2b99f04 | 444 | } |
49224c28 BV |
445 | else |
446 | return SR_ERR_BUG; | |
7a1da331 BV |
447 | break; |
448 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
449 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
450 | if (strcmp(cg->name, "Analog") == 0) | |
451 | return SR_ERR_NA; | |
452 | ||
3f239f08 | 453 | if (ch->type == SR_CHANNEL_LOGIC) |
53012da6 | 454 | *data = g_variant_new_strv(ARRAY_AND_SIZE(logic_pattern_str)); |
3f239f08 | 455 | else if (ch->type == SR_CHANNEL_ANALOG) |
53012da6 | 456 | *data = g_variant_new_strv(ARRAY_AND_SIZE(analog_pattern_str)); |
2388ae86 BV |
457 | else |
458 | return SR_ERR_BUG; | |
7a1da331 BV |
459 | break; |
460 | default: | |
461 | return SR_ERR_NA; | |
462 | } | |
a1c743fc BV |
463 | } |
464 | ||
465 | return SR_OK; | |
466 | } | |
467 | ||
695dc859 | 468 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 469 | { |
61c39f54 | 470 | struct dev_context *devc; |
1b7b72d4 GS |
471 | GSList *l; |
472 | struct sr_channel *ch; | |
4a465510 GS |
473 | int bitpos; |
474 | uint8_t mask; | |
49224c28 BV |
475 | GHashTableIter iter; |
476 | void *value; | |
6fc51fb1 | 477 | struct sr_trigger *trigger; |
85b5af06 | 478 | |
61c39f54 | 479 | devc = sdi->priv; |
a49a320d | 480 | devc->sent_samples = 0; |
767ca135 | 481 | devc->sent_frame_samples = 0; |
85b5af06 | 482 | |
d1078180 SA |
483 | /* Setup triggers */ |
484 | if ((trigger = sr_session_trigger_get(sdi->session))) { | |
485 | int pre_trigger_samples = 0; | |
486 | if (devc->limit_samples > 0) | |
487 | pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100; | |
488 | devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); | |
489 | if (!devc->stl) | |
490 | return SR_ERR_MALLOC; | |
491 | ||
492 | /* Disable all analog channels since using them when there are logic | |
493 | * triggers set up would require having pre-trigger sample buffers | |
494 | * for analog sample data. | |
495 | */ | |
496 | for (l = sdi->channels; l; l = l->next) { | |
497 | ch = l->data; | |
498 | if (ch->type == SR_CHANNEL_ANALOG) | |
499 | ch->enabled = FALSE; | |
500 | } | |
501 | } | |
502 | devc->trigger_fired = FALSE; | |
503 | ||
4a465510 GS |
504 | /* |
505 | * Determine the numbers of logic and analog channels that are | |
506 | * involved in the acquisition. Determine an offset and a mask to | |
507 | * remove excess logic data content before datafeed submission. | |
508 | */ | |
1b7b72d4 GS |
509 | devc->enabled_logic_channels = 0; |
510 | devc->enabled_analog_channels = 0; | |
511 | for (l = sdi->channels; l; l = l->next) { | |
512 | ch = l->data; | |
513 | if (!ch->enabled) | |
514 | continue; | |
515 | if (ch->type == SR_CHANNEL_ANALOG) { | |
516 | devc->enabled_analog_channels++; | |
517 | continue; | |
518 | } | |
4a465510 | 519 | if (ch->type != SR_CHANNEL_LOGIC) |
1b7b72d4 | 520 | continue; |
4a465510 GS |
521 | /* |
522 | * TODO: Need we create a channel map here, such that the | |
523 | * session datafeed packets will have a dense representation | |
524 | * of the enabled channels' data? For example store channels | |
525 | * D3 and D5 in bit positions 0 and 1 respectively, when all | |
526 | * other channels are disabled? The current implementation | |
527 | * generates a sparse layout, might provide data for logic | |
528 | * channels that are disabled while it might suppress data | |
529 | * from enabled channels at the same time. | |
530 | */ | |
531 | devc->enabled_logic_channels++; | |
1b7b72d4 | 532 | } |
4a465510 GS |
533 | devc->first_partial_logic_index = devc->enabled_logic_channels / 8; |
534 | bitpos = devc->enabled_logic_channels % 8; | |
535 | mask = (1 << bitpos) - 1; | |
536 | devc->first_partial_logic_mask = mask; | |
91057d2f UH |
537 | sr_dbg("num logic %zu, partial off %zu, mask 0x%02x.", |
538 | devc->enabled_logic_channels, | |
4a465510 GS |
539 | devc->first_partial_logic_index, |
540 | devc->first_partial_logic_mask); | |
541 | ||
542 | /* | |
543 | * Have the waveform for analog patterns pre-generated. It's | |
544 | * supposed to be periodic, so the generator just needs to | |
545 | * access the prepared sample data (DDS style). | |
546 | */ | |
49224c28 BV |
547 | g_hash_table_iter_init(&iter, devc->ch_ag); |
548 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
ba508e22 | 549 | demo_generate_analog_pattern(value, devc->cur_samplerate); |
4374219b | 550 | |
98c01fe1 | 551 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 552 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 553 | |
bee2b016 | 554 | std_session_send_df_header(sdi); |
f366e86c | 555 | |
fb193945 | 556 | if (devc->limit_frames > 0) |
f55bea76 SA |
557 | std_session_send_frame_begin(sdi); |
558 | ||
3b203673 | 559 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
560 | devc->start_us = g_get_monotonic_time(); |
561 | devc->spent_us = 0; | |
471ac344 | 562 | devc->step = 0; |
3b203673 | 563 | |
e46b8fb1 | 564 | return SR_OK; |
6239c175 UH |
565 | } |
566 | ||
695dc859 | 567 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 568 | { |
fb193945 GS |
569 | struct dev_context *devc; |
570 | ||
027bf077 | 571 | sr_session_source_remove(sdi->session, -1); |
f55bea76 | 572 | |
fb193945 GS |
573 | devc = sdi->priv; |
574 | if (devc->limit_frames > 0) | |
f55bea76 SA |
575 | std_session_send_frame_end(sdi); |
576 | ||
bee2b016 | 577 | std_session_send_df_end(sdi); |
7fd3e859 | 578 | |
6fc51fb1 | 579 | if (devc->stl) { |
580 | soft_trigger_logic_free(devc->stl); | |
581 | devc->stl = NULL; | |
582 | } | |
583 | ||
3010f21c | 584 | return SR_OK; |
6239c175 UH |
585 | } |
586 | ||
dd5c48a6 | 587 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
588 | .name = "demo", |
589 | .longname = "Demo driver and pattern generator", | |
590 | .api_version = 1, | |
c2fdcc25 | 591 | .init = std_init, |
700d6b64 | 592 | .cleanup = std_cleanup, |
6078d2c9 | 593 | .scan = scan, |
c01bf34c | 594 | .dev_list = std_dev_list, |
6ab68731 | 595 | .dev_clear = dev_clear, |
035a1078 BV |
596 | .config_get = config_get, |
597 | .config_set = config_set, | |
a1c743fc | 598 | .config_list = config_list, |
4d67b9d9 UH |
599 | .dev_open = std_dummy_dev_open, |
600 | .dev_close = std_dummy_dev_close, | |
6078d2c9 UH |
601 | .dev_acquisition_start = dev_acquisition_start, |
602 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 603 | .context = NULL, |
6239c175 | 604 | }; |
dd5c48a6 | 605 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |