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6239c175 | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
6239c175 UH |
3 | * |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
fc96e6f8 | 5 | * Copyright (C) 2011 Olivier Fauchon <olivier@aixmarseille.com> |
c216d623 | 6 | * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> |
7a8a1aba | 7 | * Copyright (C) 2015 Bartosz Golaszewski <bgolaszewski@baylibre.com> |
6239c175 UH |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
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 | |
d9251a2c UH |
32 | #define DEFAULT_NUM_LOGIC_CHANNELS 8 |
33 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 | |
c03ed397 | 34 | |
d9251a2c | 35 | #define DEFAULT_ANALOG_AMPLITUDE 10 |
85b5af06 | 36 | |
8b2d41ed | 37 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
38 | "sigrok", |
39 | "random", | |
40 | "incremental", | |
41 | "all-low", | |
42 | "all-high", | |
43 | }; | |
44 | ||
1e4a7cac BV |
45 | static const uint32_t drvopts[] = { |
46 | SR_CONF_DEMO_DEV, | |
47 | SR_CONF_LOGIC_ANALYZER, | |
48 | SR_CONF_OSCILLOSCOPE, | |
49 | }; | |
50 | ||
584560f1 | 51 | static const uint32_t scanopts[] = { |
3f239f08 UH |
52 | SR_CONF_NUM_LOGIC_CHANNELS, |
53 | SR_CONF_NUM_ANALOG_CHANNELS, | |
e15f48c2 | 54 | }; |
85b5af06 | 55 | |
390795c0 | 56 | static const uint32_t devopts[] = { |
e91bb0a6 | 57 | SR_CONF_CONTINUOUS, |
5827f61b BV |
58 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
59 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
390795c0 | 60 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
61 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
62 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
63 | }; |
64 | ||
65 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 66 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
67 | }; |
68 | ||
e2b99f04 SA |
69 | static const uint32_t devopts_cg_analog_group[] = { |
70 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
71 | }; | |
72 | ||
73 | static const uint32_t devopts_cg_analog_channel[] = { | |
f12d9979 BV |
74 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
75 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
76 | }; |
77 | ||
d00088ca BV |
78 | static const uint64_t samplerates[] = { |
79 | SR_HZ(1), | |
80 | SR_GHZ(1), | |
81 | SR_HZ(1), | |
4bfbf9fc BV |
82 | }; |
83 | ||
4f840ce9 | 84 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 85 | { |
33ef7573 | 86 | struct dev_context *devc; |
c07f60e7 | 87 | struct sr_dev_inst *sdi; |
ba7dd8bb | 88 | struct sr_channel *ch; |
49224c28 | 89 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 90 | struct sr_config *src; |
8b2d41ed | 91 | struct analog_gen *ag; |
43376f33 | 92 | GSList *l; |
ba7dd8bb UH |
93 | int num_logic_channels, num_analog_channels, pattern, i; |
94 | char channel_name[16]; | |
067d0716 | 95 | |
3f239f08 UH |
96 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
97 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
c07f60e7 BV |
98 | for (l = options; l; l = l->next) { |
99 | src = l->data; | |
100 | switch (src->key) { | |
3f239f08 | 101 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 102 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 103 | break; |
3f239f08 | 104 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 105 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 BV |
106 | break; |
107 | } | |
108 | } | |
85b5af06 | 109 | |
aac29cc1 | 110 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 111 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 112 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 113 | |
a49a320d | 114 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 115 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
116 | devc->num_logic_channels = num_logic_channels; |
117 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
8b2d41ed | 118 | devc->logic_pattern = PATTERN_SIGROK; |
ba7dd8bb | 119 | devc->num_analog_channels = num_analog_channels; |
8b2d41ed | 120 | |
f18e0db3 LPC |
121 | if (num_logic_channels > 0) { |
122 | /* Logic channels, all in one channel group. */ | |
123 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
124 | cg->name = g_strdup("Logic"); | |
125 | for (i = 0; i < num_logic_channels; i++) { | |
126 | sprintf(channel_name, "D%d", i); | |
127 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); | |
128 | cg->channels = g_slist_append(cg->channels, ch); | |
129 | } | |
130 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
131 | } |
132 | ||
ba7dd8bb | 133 | /* Analog channels, channel groups and pattern generators. */ |
f18e0db3 LPC |
134 | if (num_analog_channels > 0) { |
135 | pattern = 0; | |
136 | /* An "Analog" channel group with all analog channels in it. */ | |
137 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
138 | acg->name = g_strdup("Analog"); | |
139 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
140 | ||
141 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); | |
142 | for (i = 0; i < num_analog_channels; i++) { | |
143 | snprintf(channel_name, 16, "A%d", i); | |
144 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
145 | TRUE, channel_name); | |
146 | acg->channels = g_slist_append(acg->channels, ch); | |
147 | ||
148 | /* Every analog channel gets its own channel group as well. */ | |
149 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
150 | cg->name = g_strdup(channel_name); | |
151 | cg->channels = g_slist_append(NULL, ch); | |
152 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
153 | ||
154 | /* Every channel gets a generator struct. */ | |
155 | ag = g_malloc(sizeof(struct analog_gen)); | |
156 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; | |
3be044aa | 157 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 UH |
158 | ag->packet.meaning->channels = cg->channels; |
159 | ag->packet.meaning->mq = 0; | |
160 | ag->packet.meaning->mqflags = 0; | |
161 | ag->packet.meaning->unit = SR_UNIT_VOLT; | |
f18e0db3 LPC |
162 | ag->packet.data = ag->pattern_data; |
163 | ag->pattern = pattern; | |
164 | ag->avg_val = 0.0f; | |
165 | ag->num_avgs = 0; | |
166 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
167 | ||
168 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
169 | pattern = 0; | |
170 | } | |
33ef7573 | 171 | } |
33ef7573 JH |
172 | |
173 | sdi->priv = devc; | |
174 | ||
43376f33 | 175 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
176 | } |
177 | ||
6078d2c9 | 178 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 179 | { |
e73ffd42 | 180 | sdi->status = SR_ST_ACTIVE; |
697785d1 | 181 | |
e46b8fb1 | 182 | return SR_OK; |
6239c175 UH |
183 | } |
184 | ||
6078d2c9 | 185 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 186 | { |
decfe89d | 187 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
188 | |
189 | return SR_OK; | |
6239c175 UH |
190 | } |
191 | ||
ed0b7fed BV |
192 | static void clear_helper(void *priv) |
193 | { | |
194 | struct dev_context *devc; | |
49224c28 BV |
195 | GHashTableIter iter; |
196 | void *value; | |
ed0b7fed BV |
197 | |
198 | devc = priv; | |
49224c28 BV |
199 | |
200 | /* Analog generators. */ | |
201 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
202 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
203 | g_free(value); | |
204 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
205 | g_free(devc); |
206 | } | |
207 | ||
6ab68731 | 208 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 209 | { |
ed0b7fed | 210 | return std_dev_clear(di, clear_helper); |
6239c175 UH |
211 | } |
212 | ||
584560f1 | 213 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 214 | const struct sr_channel_group *cg) |
6239c175 | 215 | { |
c07f60e7 | 216 | struct dev_context *devc; |
ba7dd8bb | 217 | struct sr_channel *ch; |
2388ae86 BV |
218 | struct analog_gen *ag; |
219 | int pattern; | |
6f57fd96 | 220 | |
2388ae86 BV |
221 | if (!sdi) |
222 | return SR_ERR_ARG; | |
8f996b89 | 223 | |
c07f60e7 | 224 | devc = sdi->priv; |
584560f1 | 225 | switch (key) { |
123e1313 | 226 | case SR_CONF_SAMPLERATE: |
a7684294 | 227 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 228 | break; |
2474d87e | 229 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 230 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
231 | break; |
232 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 233 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 234 | break; |
7a8a1aba BG |
235 | case SR_CONF_AVERAGING: |
236 | *data = g_variant_new_boolean(devc->avg); | |
237 | break; | |
238 | case SR_CONF_AVG_SAMPLES: | |
239 | *data = g_variant_new_uint64(devc->avg_samples); | |
240 | break; | |
2474d87e | 241 | case SR_CONF_PATTERN_MODE: |
53b4680f | 242 | if (!cg) |
660e398f | 243 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 244 | /* Any channel in the group will do. */ |
ba7dd8bb | 245 | ch = cg->channels->data; |
3f239f08 | 246 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
247 | pattern = devc->logic_pattern; |
248 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 249 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 250 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
251 | pattern = ag->pattern; |
252 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
253 | } else | |
254 | return SR_ERR_BUG; | |
c07f60e7 | 255 | break; |
dddabe37 BV |
256 | case SR_CONF_AMPLITUDE: |
257 | if (!cg) | |
258 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 259 | /* Any channel in the group will do. */ |
dddabe37 BV |
260 | ch = cg->channels->data; |
261 | if (ch->type != SR_CHANNEL_ANALOG) | |
262 | return SR_ERR_ARG; | |
49224c28 | 263 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
264 | *data = g_variant_new_double(ag->amplitude); |
265 | break; | |
7dfcf010 | 266 | default: |
bd6fbf62 | 267 | return SR_ERR_NA; |
6239c175 UH |
268 | } |
269 | ||
dfb0fa1a | 270 | return SR_OK; |
6239c175 UH |
271 | } |
272 | ||
584560f1 | 273 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 274 | const struct sr_channel_group *cg) |
6239c175 | 275 | { |
8b2d41ed | 276 | struct dev_context *devc; |
4374219b | 277 | struct analog_gen *ag; |
ba7dd8bb | 278 | struct sr_channel *ch; |
49224c28 BV |
279 | GSList *l; |
280 | int logic_pattern, analog_pattern, ret; | |
61c39f54 | 281 | unsigned int i; |
1b79df2f | 282 | const char *stropt; |
6239c175 | 283 | |
8b2d41ed | 284 | devc = sdi->priv; |
6239c175 | 285 | |
e73ffd42 BV |
286 | if (sdi->status != SR_ST_ACTIVE) |
287 | return SR_ERR_DEV_CLOSED; | |
288 | ||
2388ae86 | 289 | ret = SR_OK; |
584560f1 | 290 | switch (key) { |
2388ae86 | 291 | case SR_CONF_SAMPLERATE: |
a7684294 | 292 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
293 | break; |
294 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
295 | devc->limit_msec = 0; |
296 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
297 | break; |
298 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
299 | devc->limit_msec = g_variant_get_uint64(data); |
300 | devc->limit_samples = 0; | |
2388ae86 | 301 | break; |
7a8a1aba BG |
302 | case SR_CONF_AVERAGING: |
303 | devc->avg = g_variant_get_boolean(data); | |
304 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
305 | break; | |
306 | case SR_CONF_AVG_SAMPLES: | |
307 | devc->avg_samples = g_variant_get_uint64(data); | |
308 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
309 | break; | |
2388ae86 | 310 | case SR_CONF_PATTERN_MODE: |
53b4680f | 311 | if (!cg) |
660e398f | 312 | return SR_ERR_CHANNEL_GROUP; |
d00088ca | 313 | stropt = g_variant_get_string(data, NULL); |
49224c28 BV |
314 | logic_pattern = analog_pattern = -1; |
315 | for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) { | |
316 | if (!strcmp(stropt, logic_pattern_str[i])) { | |
317 | logic_pattern = i; | |
318 | break; | |
8b2d41ed | 319 | } |
49224c28 BV |
320 | } |
321 | for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) { | |
322 | if (!strcmp(stropt, analog_pattern_str[i])) { | |
323 | analog_pattern = i; | |
324 | break; | |
8b2d41ed | 325 | } |
49224c28 BV |
326 | } |
327 | if (logic_pattern == -1 && analog_pattern == -1) | |
328 | return SR_ERR_ARG; | |
329 | for (l = cg->channels; l; l = l->next) { | |
330 | ch = l->data; | |
331 | if (ch->type == SR_CHANNEL_LOGIC) { | |
332 | if (logic_pattern == -1) | |
333 | return SR_ERR_ARG; | |
334 | sr_dbg("Setting logic pattern to %s", | |
335 | logic_pattern_str[logic_pattern]); | |
336 | devc->logic_pattern = logic_pattern; | |
337 | /* Might as well do this now, these are static. */ | |
338 | if (logic_pattern == PATTERN_ALL_LOW) | |
339 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
340 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
341 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
342 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
343 | if (analog_pattern == -1) | |
344 | return SR_ERR_ARG; | |
345 | sr_dbg("Setting analog pattern for channel %s to %s", | |
346 | ch->name, analog_pattern_str[analog_pattern]); | |
347 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
348 | ag->pattern = analog_pattern; | |
349 | } else | |
350 | return SR_ERR_BUG; | |
351 | } | |
2388ae86 | 352 | break; |
dddabe37 BV |
353 | case SR_CONF_AMPLITUDE: |
354 | if (!cg) | |
355 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
356 | for (l = cg->channels; l; l = l->next) { |
357 | ch = l->data; | |
358 | if (ch->type != SR_CHANNEL_ANALOG) | |
359 | return SR_ERR_ARG; | |
360 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
361 | ag->amplitude = g_variant_get_double(data); | |
362 | } | |
dddabe37 | 363 | break; |
2388ae86 | 364 | default: |
bd6fbf62 | 365 | ret = SR_ERR_NA; |
6239c175 UH |
366 | } |
367 | ||
368 | return ret; | |
369 | } | |
370 | ||
584560f1 | 371 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 372 | const struct sr_channel_group *cg) |
a1c743fc | 373 | { |
ba7dd8bb | 374 | struct sr_channel *ch; |
d00088ca BV |
375 | GVariant *gvar; |
376 | GVariantBuilder gvb; | |
a1c743fc | 377 | |
7a1da331 | 378 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
379 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
380 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
7a1da331 BV |
381 | return SR_OK; |
382 | } | |
383 | ||
390795c0 BV |
384 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { |
385 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1e4a7cac | 386 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
390795c0 BV |
387 | return SR_OK; |
388 | } | |
389 | ||
7a1da331 BV |
390 | if (!sdi) |
391 | return SR_ERR_ARG; | |
392 | ||
53b4680f | 393 | if (!cg) { |
7a1da331 BV |
394 | switch (key) { |
395 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 396 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
1e4a7cac | 397 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
7a1da331 BV |
398 | break; |
399 | case SR_CONF_SAMPLERATE: | |
400 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
401 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
402 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
403 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
404 | *data = g_variant_builder_end(&gvb); | |
405 | break; | |
406 | default: | |
407 | return SR_ERR_NA; | |
408 | } | |
409 | } else { | |
ba7dd8bb | 410 | ch = cg->channels->data; |
7a1da331 BV |
411 | switch (key) { |
412 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 413 | if (ch->type == SR_CHANNEL_LOGIC) |
8249889d | 414 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
49224c28 | 415 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), |
584560f1 | 416 | sizeof(uint32_t)); |
e2b99f04 SA |
417 | else if (ch->type == SR_CHANNEL_ANALOG) { |
418 | if (strcmp(cg->name, "Analog") == 0) | |
419 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
420 | devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group), | |
421 | sizeof(uint32_t)); | |
422 | else | |
423 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
424 | devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel), | |
425 | sizeof(uint32_t)); | |
426 | } | |
49224c28 BV |
427 | else |
428 | return SR_ERR_BUG; | |
7a1da331 BV |
429 | break; |
430 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
431 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
432 | if (strcmp(cg->name, "Analog") == 0) | |
433 | return SR_ERR_NA; | |
434 | ||
3f239f08 | 435 | if (ch->type == SR_CHANNEL_LOGIC) |
7a1da331 BV |
436 | *data = g_variant_new_strv(logic_pattern_str, |
437 | ARRAY_SIZE(logic_pattern_str)); | |
3f239f08 | 438 | else if (ch->type == SR_CHANNEL_ANALOG) |
7a1da331 BV |
439 | *data = g_variant_new_strv(analog_pattern_str, |
440 | ARRAY_SIZE(analog_pattern_str)); | |
2388ae86 BV |
441 | else |
442 | return SR_ERR_BUG; | |
7a1da331 BV |
443 | break; |
444 | default: | |
445 | return SR_ERR_NA; | |
446 | } | |
a1c743fc BV |
447 | } |
448 | ||
449 | return SR_OK; | |
450 | } | |
451 | ||
695dc859 | 452 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 453 | { |
61c39f54 | 454 | struct dev_context *devc; |
49224c28 BV |
455 | GHashTableIter iter; |
456 | void *value; | |
85b5af06 | 457 | |
e73ffd42 BV |
458 | if (sdi->status != SR_ST_ACTIVE) |
459 | return SR_ERR_DEV_CLOSED; | |
460 | ||
61c39f54 | 461 | devc = sdi->priv; |
a49a320d | 462 | devc->sent_samples = 0; |
85b5af06 | 463 | |
49224c28 BV |
464 | g_hash_table_iter_init(&iter, devc->ch_ag); |
465 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
ba508e22 | 466 | demo_generate_analog_pattern(value, devc->cur_samplerate); |
4374219b | 467 | |
98c01fe1 | 468 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 469 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 470 | |
bee2b016 | 471 | std_session_send_df_header(sdi); |
f366e86c | 472 | |
3b203673 | 473 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
474 | devc->start_us = g_get_monotonic_time(); |
475 | devc->spent_us = 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); |