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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 | |
2ea1fdf1 | 20 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
6239c175 UH |
21 | */ |
22 | ||
6ec6c43b | 23 | #include <config.h> |
6239c175 UH |
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" |
ba508e22 | 29 | #include "protocol.h" |
92bcedf6 | 30 | |
d9251a2c UH |
31 | #define DEFAULT_NUM_LOGIC_CHANNELS 8 |
32 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 | |
c03ed397 | 33 | |
d9251a2c | 34 | #define DEFAULT_ANALOG_AMPLITUDE 10 |
85b5af06 | 35 | |
8b2d41ed | 36 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
37 | "sigrok", |
38 | "random", | |
39 | "incremental", | |
40 | "all-low", | |
41 | "all-high", | |
42 | }; | |
43 | ||
1e4a7cac BV |
44 | static const uint32_t drvopts[] = { |
45 | SR_CONF_DEMO_DEV, | |
46 | SR_CONF_LOGIC_ANALYZER, | |
47 | SR_CONF_OSCILLOSCOPE, | |
48 | }; | |
49 | ||
584560f1 | 50 | static const uint32_t scanopts[] = { |
3f239f08 UH |
51 | SR_CONF_NUM_LOGIC_CHANNELS, |
52 | SR_CONF_NUM_ANALOG_CHANNELS, | |
e15f48c2 | 53 | }; |
85b5af06 | 54 | |
390795c0 | 55 | static const uint32_t devopts[] = { |
e91bb0a6 | 56 | SR_CONF_CONTINUOUS, |
5827f61b BV |
57 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
58 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
390795c0 | 59 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
60 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
61 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
62 | }; |
63 | ||
64 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 65 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
66 | }; |
67 | ||
e2b99f04 SA |
68 | static const uint32_t devopts_cg_analog_group[] = { |
69 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
70 | }; | |
71 | ||
72 | static const uint32_t devopts_cg_analog_channel[] = { | |
f12d9979 BV |
73 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
74 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
75 | }; |
76 | ||
d00088ca BV |
77 | static const uint64_t samplerates[] = { |
78 | SR_HZ(1), | |
79 | SR_GHZ(1), | |
80 | SR_HZ(1), | |
4bfbf9fc BV |
81 | }; |
82 | ||
4f840ce9 | 83 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 84 | { |
33ef7573 | 85 | struct dev_context *devc; |
c07f60e7 | 86 | struct sr_dev_inst *sdi; |
ba7dd8bb | 87 | struct sr_channel *ch; |
49224c28 | 88 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 89 | struct sr_config *src; |
8b2d41ed | 90 | struct analog_gen *ag; |
43376f33 | 91 | GSList *l; |
ba7dd8bb UH |
92 | int num_logic_channels, num_analog_channels, pattern, i; |
93 | char channel_name[16]; | |
067d0716 | 94 | |
3f239f08 UH |
95 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
96 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
c07f60e7 BV |
97 | for (l = options; l; l = l->next) { |
98 | src = l->data; | |
99 | switch (src->key) { | |
3f239f08 | 100 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 101 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 102 | break; |
3f239f08 | 103 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 104 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 BV |
105 | break; |
106 | } | |
107 | } | |
85b5af06 | 108 | |
aac29cc1 | 109 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 110 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 111 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 112 | |
a49a320d | 113 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 114 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
115 | devc->num_logic_channels = num_logic_channels; |
116 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
8b2d41ed | 117 | devc->logic_pattern = PATTERN_SIGROK; |
ba7dd8bb | 118 | devc->num_analog_channels = num_analog_channels; |
8b2d41ed | 119 | |
f18e0db3 LPC |
120 | if (num_logic_channels > 0) { |
121 | /* Logic channels, all in one channel group. */ | |
122 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
123 | cg->name = g_strdup("Logic"); | |
124 | for (i = 0; i < num_logic_channels; i++) { | |
125 | sprintf(channel_name, "D%d", i); | |
126 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); | |
127 | cg->channels = g_slist_append(cg->channels, ch); | |
128 | } | |
129 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
130 | } |
131 | ||
ba7dd8bb | 132 | /* Analog channels, channel groups and pattern generators. */ |
f18e0db3 LPC |
133 | if (num_analog_channels > 0) { |
134 | pattern = 0; | |
135 | /* An "Analog" channel group with all analog channels in it. */ | |
136 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
137 | acg->name = g_strdup("Analog"); | |
138 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
139 | ||
140 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); | |
141 | for (i = 0; i < num_analog_channels; i++) { | |
142 | snprintf(channel_name, 16, "A%d", i); | |
143 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
144 | TRUE, channel_name); | |
145 | acg->channels = g_slist_append(acg->channels, ch); | |
146 | ||
147 | /* Every analog channel gets its own channel group as well. */ | |
148 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
149 | cg->name = g_strdup(channel_name); | |
150 | cg->channels = g_slist_append(NULL, ch); | |
151 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
152 | ||
153 | /* Every channel gets a generator struct. */ | |
154 | ag = g_malloc(sizeof(struct analog_gen)); | |
155 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; | |
3be044aa | 156 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 UH |
157 | ag->packet.meaning->channels = cg->channels; |
158 | ag->packet.meaning->mq = 0; | |
159 | ag->packet.meaning->mqflags = 0; | |
160 | ag->packet.meaning->unit = SR_UNIT_VOLT; | |
f18e0db3 LPC |
161 | ag->packet.data = ag->pattern_data; |
162 | ag->pattern = pattern; | |
163 | ag->avg_val = 0.0f; | |
164 | ag->num_avgs = 0; | |
165 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
166 | ||
167 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
168 | pattern = 0; | |
169 | } | |
33ef7573 | 170 | } |
33ef7573 JH |
171 | |
172 | sdi->priv = devc; | |
173 | ||
43376f33 | 174 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
175 | } |
176 | ||
6078d2c9 | 177 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 178 | { |
e73ffd42 | 179 | sdi->status = SR_ST_ACTIVE; |
697785d1 | 180 | |
e46b8fb1 | 181 | return SR_OK; |
6239c175 UH |
182 | } |
183 | ||
6078d2c9 | 184 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 185 | { |
decfe89d | 186 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
187 | |
188 | return SR_OK; | |
6239c175 UH |
189 | } |
190 | ||
ed0b7fed BV |
191 | static void clear_helper(void *priv) |
192 | { | |
193 | struct dev_context *devc; | |
49224c28 BV |
194 | GHashTableIter iter; |
195 | void *value; | |
ed0b7fed BV |
196 | |
197 | devc = priv; | |
49224c28 BV |
198 | |
199 | /* Analog generators. */ | |
200 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
201 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
202 | g_free(value); | |
203 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
204 | g_free(devc); |
205 | } | |
206 | ||
6ab68731 | 207 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 208 | { |
ed0b7fed | 209 | return std_dev_clear(di, clear_helper); |
6239c175 UH |
210 | } |
211 | ||
584560f1 | 212 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 213 | const struct sr_channel_group *cg) |
6239c175 | 214 | { |
c07f60e7 | 215 | struct dev_context *devc; |
ba7dd8bb | 216 | struct sr_channel *ch; |
2388ae86 BV |
217 | struct analog_gen *ag; |
218 | int pattern; | |
6f57fd96 | 219 | |
2388ae86 BV |
220 | if (!sdi) |
221 | return SR_ERR_ARG; | |
8f996b89 | 222 | |
c07f60e7 | 223 | devc = sdi->priv; |
584560f1 | 224 | switch (key) { |
123e1313 | 225 | case SR_CONF_SAMPLERATE: |
a7684294 | 226 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 227 | break; |
2474d87e | 228 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 229 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
230 | break; |
231 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 232 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 233 | break; |
7a8a1aba BG |
234 | case SR_CONF_AVERAGING: |
235 | *data = g_variant_new_boolean(devc->avg); | |
236 | break; | |
237 | case SR_CONF_AVG_SAMPLES: | |
238 | *data = g_variant_new_uint64(devc->avg_samples); | |
239 | break; | |
2474d87e | 240 | case SR_CONF_PATTERN_MODE: |
53b4680f | 241 | if (!cg) |
660e398f | 242 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 243 | /* Any channel in the group will do. */ |
ba7dd8bb | 244 | ch = cg->channels->data; |
3f239f08 | 245 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
246 | pattern = devc->logic_pattern; |
247 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 248 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 249 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
250 | pattern = ag->pattern; |
251 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
252 | } else | |
253 | return SR_ERR_BUG; | |
c07f60e7 | 254 | break; |
dddabe37 BV |
255 | case SR_CONF_AMPLITUDE: |
256 | if (!cg) | |
257 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 258 | /* Any channel in the group will do. */ |
dddabe37 BV |
259 | ch = cg->channels->data; |
260 | if (ch->type != SR_CHANNEL_ANALOG) | |
261 | return SR_ERR_ARG; | |
49224c28 | 262 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
263 | *data = g_variant_new_double(ag->amplitude); |
264 | break; | |
7dfcf010 | 265 | default: |
bd6fbf62 | 266 | return SR_ERR_NA; |
6239c175 UH |
267 | } |
268 | ||
dfb0fa1a | 269 | return SR_OK; |
6239c175 UH |
270 | } |
271 | ||
584560f1 | 272 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 273 | const struct sr_channel_group *cg) |
6239c175 | 274 | { |
8b2d41ed | 275 | struct dev_context *devc; |
4374219b | 276 | struct analog_gen *ag; |
ba7dd8bb | 277 | struct sr_channel *ch; |
49224c28 BV |
278 | GSList *l; |
279 | int logic_pattern, analog_pattern, ret; | |
61c39f54 | 280 | unsigned int i; |
1b79df2f | 281 | const char *stropt; |
6239c175 | 282 | |
8b2d41ed | 283 | devc = sdi->priv; |
6239c175 | 284 | |
e73ffd42 BV |
285 | if (sdi->status != SR_ST_ACTIVE) |
286 | return SR_ERR_DEV_CLOSED; | |
287 | ||
2388ae86 | 288 | ret = SR_OK; |
584560f1 | 289 | switch (key) { |
2388ae86 | 290 | case SR_CONF_SAMPLERATE: |
a7684294 | 291 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
292 | break; |
293 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
294 | devc->limit_msec = 0; |
295 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
296 | break; |
297 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
298 | devc->limit_msec = g_variant_get_uint64(data); |
299 | devc->limit_samples = 0; | |
2388ae86 | 300 | break; |
7a8a1aba BG |
301 | case SR_CONF_AVERAGING: |
302 | devc->avg = g_variant_get_boolean(data); | |
303 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
304 | break; | |
305 | case SR_CONF_AVG_SAMPLES: | |
306 | devc->avg_samples = g_variant_get_uint64(data); | |
307 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
308 | break; | |
2388ae86 | 309 | case SR_CONF_PATTERN_MODE: |
53b4680f | 310 | if (!cg) |
660e398f | 311 | return SR_ERR_CHANNEL_GROUP; |
d00088ca | 312 | stropt = g_variant_get_string(data, NULL); |
49224c28 BV |
313 | logic_pattern = analog_pattern = -1; |
314 | for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) { | |
315 | if (!strcmp(stropt, logic_pattern_str[i])) { | |
316 | logic_pattern = i; | |
317 | break; | |
8b2d41ed | 318 | } |
49224c28 BV |
319 | } |
320 | for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) { | |
321 | if (!strcmp(stropt, analog_pattern_str[i])) { | |
322 | analog_pattern = i; | |
323 | break; | |
8b2d41ed | 324 | } |
49224c28 BV |
325 | } |
326 | if (logic_pattern == -1 && analog_pattern == -1) | |
327 | return SR_ERR_ARG; | |
328 | for (l = cg->channels; l; l = l->next) { | |
329 | ch = l->data; | |
330 | if (ch->type == SR_CHANNEL_LOGIC) { | |
331 | if (logic_pattern == -1) | |
332 | return SR_ERR_ARG; | |
333 | sr_dbg("Setting logic pattern to %s", | |
334 | logic_pattern_str[logic_pattern]); | |
335 | devc->logic_pattern = logic_pattern; | |
336 | /* Might as well do this now, these are static. */ | |
337 | if (logic_pattern == PATTERN_ALL_LOW) | |
338 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
339 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
340 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
341 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
342 | if (analog_pattern == -1) | |
343 | return SR_ERR_ARG; | |
344 | sr_dbg("Setting analog pattern for channel %s to %s", | |
345 | ch->name, analog_pattern_str[analog_pattern]); | |
346 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
347 | ag->pattern = analog_pattern; | |
348 | } else | |
349 | return SR_ERR_BUG; | |
350 | } | |
2388ae86 | 351 | break; |
dddabe37 BV |
352 | case SR_CONF_AMPLITUDE: |
353 | if (!cg) | |
354 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
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 | ag->amplitude = g_variant_get_double(data); | |
361 | } | |
dddabe37 | 362 | break; |
2388ae86 | 363 | default: |
bd6fbf62 | 364 | ret = SR_ERR_NA; |
6239c175 UH |
365 | } |
366 | ||
367 | return ret; | |
368 | } | |
369 | ||
584560f1 | 370 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 371 | const struct sr_channel_group *cg) |
a1c743fc | 372 | { |
ba7dd8bb | 373 | struct sr_channel *ch; |
d00088ca BV |
374 | GVariant *gvar; |
375 | GVariantBuilder gvb; | |
a1c743fc | 376 | |
7a1da331 | 377 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
378 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
379 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
7a1da331 BV |
380 | return SR_OK; |
381 | } | |
382 | ||
390795c0 BV |
383 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { |
384 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1e4a7cac | 385 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
390795c0 BV |
386 | return SR_OK; |
387 | } | |
388 | ||
7a1da331 BV |
389 | if (!sdi) |
390 | return SR_ERR_ARG; | |
391 | ||
53b4680f | 392 | if (!cg) { |
7a1da331 BV |
393 | switch (key) { |
394 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 395 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
1e4a7cac | 396 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
7a1da331 BV |
397 | break; |
398 | case SR_CONF_SAMPLERATE: | |
399 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
400 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
401 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
402 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
403 | *data = g_variant_builder_end(&gvb); | |
404 | break; | |
405 | default: | |
406 | return SR_ERR_NA; | |
407 | } | |
408 | } else { | |
ba7dd8bb | 409 | ch = cg->channels->data; |
7a1da331 BV |
410 | switch (key) { |
411 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 412 | if (ch->type == SR_CHANNEL_LOGIC) |
8249889d | 413 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
49224c28 | 414 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), |
584560f1 | 415 | sizeof(uint32_t)); |
e2b99f04 SA |
416 | else if (ch->type == SR_CHANNEL_ANALOG) { |
417 | if (strcmp(cg->name, "Analog") == 0) | |
418 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
419 | devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group), | |
420 | sizeof(uint32_t)); | |
421 | else | |
422 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
423 | devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel), | |
424 | sizeof(uint32_t)); | |
425 | } | |
49224c28 BV |
426 | else |
427 | return SR_ERR_BUG; | |
7a1da331 BV |
428 | break; |
429 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
430 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
431 | if (strcmp(cg->name, "Analog") == 0) | |
432 | return SR_ERR_NA; | |
433 | ||
3f239f08 | 434 | if (ch->type == SR_CHANNEL_LOGIC) |
7a1da331 BV |
435 | *data = g_variant_new_strv(logic_pattern_str, |
436 | ARRAY_SIZE(logic_pattern_str)); | |
3f239f08 | 437 | else if (ch->type == SR_CHANNEL_ANALOG) |
7a1da331 BV |
438 | *data = g_variant_new_strv(analog_pattern_str, |
439 | ARRAY_SIZE(analog_pattern_str)); | |
2388ae86 BV |
440 | else |
441 | return SR_ERR_BUG; | |
7a1da331 BV |
442 | break; |
443 | default: | |
444 | return SR_ERR_NA; | |
445 | } | |
a1c743fc BV |
446 | } |
447 | ||
448 | return SR_OK; | |
449 | } | |
450 | ||
695dc859 | 451 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 452 | { |
61c39f54 | 453 | struct dev_context *devc; |
49224c28 BV |
454 | GHashTableIter iter; |
455 | void *value; | |
85b5af06 | 456 | |
e73ffd42 BV |
457 | if (sdi->status != SR_ST_ACTIVE) |
458 | return SR_ERR_DEV_CLOSED; | |
459 | ||
61c39f54 | 460 | devc = sdi->priv; |
a49a320d | 461 | devc->sent_samples = 0; |
85b5af06 | 462 | |
49224c28 BV |
463 | g_hash_table_iter_init(&iter, devc->ch_ag); |
464 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
ba508e22 | 465 | demo_generate_analog_pattern(value, devc->cur_samplerate); |
4374219b | 466 | |
98c01fe1 | 467 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 468 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 469 | |
bee2b016 | 470 | std_session_send_df_header(sdi); |
f366e86c | 471 | |
3b203673 | 472 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
473 | devc->start_us = g_get_monotonic_time(); |
474 | devc->spent_us = 0; | |
471ac344 | 475 | devc->step = 0; |
3b203673 | 476 | |
e46b8fb1 | 477 | return SR_OK; |
6239c175 UH |
478 | } |
479 | ||
695dc859 | 480 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 481 | { |
a84f6ad3 | 482 | sr_dbg("Stopping acquisition."); |
027bf077 | 483 | sr_session_source_remove(sdi->session, -1); |
bee2b016 | 484 | std_session_send_df_end(sdi); |
7fd3e859 | 485 | |
3010f21c | 486 | return SR_OK; |
6239c175 UH |
487 | } |
488 | ||
dd5c48a6 | 489 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
490 | .name = "demo", |
491 | .longname = "Demo driver and pattern generator", | |
492 | .api_version = 1, | |
c2fdcc25 | 493 | .init = std_init, |
700d6b64 | 494 | .cleanup = std_cleanup, |
6078d2c9 | 495 | .scan = scan, |
c01bf34c | 496 | .dev_list = std_dev_list, |
6ab68731 | 497 | .dev_clear = dev_clear, |
035a1078 BV |
498 | .config_get = config_get, |
499 | .config_set = config_set, | |
a1c743fc | 500 | .config_list = config_list, |
6078d2c9 UH |
501 | .dev_open = dev_open, |
502 | .dev_close = dev_close, | |
503 | .dev_acquisition_start = dev_acquisition_start, | |
504 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 505 | .context = NULL, |
6239c175 | 506 | }; |
dd5c48a6 | 507 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |