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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 | |
b1e6eec6 GS |
31 | #define DEFAULT_NUM_LOGIC_CHANNELS 128 |
32 | #define DEFAULT_ENABLED_LOGIC_CHANNELS 8 | |
33 | #define DEFAULT_LOGIC_PATTERN PATTERN_SIGROK | |
c03ed397 | 34 | |
b1e6eec6 GS |
35 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 |
36 | #define DEFAULT_ENABLED_ANALOG_CHANNELS 4 | |
d9251a2c | 37 | #define DEFAULT_ANALOG_AMPLITUDE 10 |
85b5af06 | 38 | |
8b2d41ed | 39 | static const char *logic_pattern_str[] = { |
61c39f54 BV |
40 | "sigrok", |
41 | "random", | |
42 | "incremental", | |
43 | "all-low", | |
44 | "all-high", | |
81d53a29 | 45 | "squid", |
61c39f54 BV |
46 | }; |
47 | ||
1e4a7cac BV |
48 | static const uint32_t drvopts[] = { |
49 | SR_CONF_DEMO_DEV, | |
50 | SR_CONF_LOGIC_ANALYZER, | |
51 | SR_CONF_OSCILLOSCOPE, | |
52 | }; | |
53 | ||
584560f1 | 54 | static const uint32_t scanopts[] = { |
3f239f08 UH |
55 | SR_CONF_NUM_LOGIC_CHANNELS, |
56 | SR_CONF_NUM_ANALOG_CHANNELS, | |
e15f48c2 | 57 | }; |
85b5af06 | 58 | |
390795c0 | 59 | static const uint32_t devopts[] = { |
e91bb0a6 | 60 | SR_CONF_CONTINUOUS, |
5827f61b BV |
61 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
62 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
390795c0 | 63 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
64 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
65 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
66 | }; |
67 | ||
68 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 69 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
70 | }; |
71 | ||
e2b99f04 SA |
72 | static const uint32_t devopts_cg_analog_group[] = { |
73 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
74 | }; | |
75 | ||
76 | static const uint32_t devopts_cg_analog_channel[] = { | |
f12d9979 BV |
77 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
78 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
79 | }; |
80 | ||
d00088ca BV |
81 | static const uint64_t samplerates[] = { |
82 | SR_HZ(1), | |
83 | SR_GHZ(1), | |
84 | SR_HZ(1), | |
4bfbf9fc BV |
85 | }; |
86 | ||
4f840ce9 | 87 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 88 | { |
33ef7573 | 89 | struct dev_context *devc; |
c07f60e7 | 90 | struct sr_dev_inst *sdi; |
ba7dd8bb | 91 | struct sr_channel *ch; |
49224c28 | 92 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 93 | struct sr_config *src; |
8b2d41ed | 94 | struct analog_gen *ag; |
43376f33 | 95 | GSList *l; |
ba7dd8bb UH |
96 | int num_logic_channels, num_analog_channels, pattern, i; |
97 | char channel_name[16]; | |
b1e6eec6 | 98 | gboolean enabled; |
067d0716 | 99 | |
3f239f08 UH |
100 | num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS; |
101 | num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS; | |
c07f60e7 BV |
102 | for (l = options; l; l = l->next) { |
103 | src = l->data; | |
104 | switch (src->key) { | |
3f239f08 | 105 | case SR_CONF_NUM_LOGIC_CHANNELS: |
ba7dd8bb | 106 | num_logic_channels = g_variant_get_int32(src->data); |
c07f60e7 | 107 | break; |
3f239f08 | 108 | case SR_CONF_NUM_ANALOG_CHANNELS: |
ba7dd8bb | 109 | num_analog_channels = g_variant_get_int32(src->data); |
c07f60e7 BV |
110 | break; |
111 | } | |
112 | } | |
85b5af06 | 113 | |
aac29cc1 | 114 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
45884333 | 115 | sdi->status = SR_ST_INACTIVE; |
4b664cd6 | 116 | sdi->model = g_strdup("Demo device"); |
e15f48c2 | 117 | |
a49a320d | 118 | devc = g_malloc0(sizeof(struct dev_context)); |
8b2d41ed | 119 | devc->cur_samplerate = SR_KHZ(200); |
ba7dd8bb UH |
120 | devc->num_logic_channels = num_logic_channels; |
121 | devc->logic_unitsize = (devc->num_logic_channels + 7) / 8; | |
b1e6eec6 | 122 | devc->logic_pattern = DEFAULT_LOGIC_PATTERN; |
ba7dd8bb | 123 | devc->num_analog_channels = num_analog_channels; |
8b2d41ed | 124 | |
f18e0db3 LPC |
125 | if (num_logic_channels > 0) { |
126 | /* Logic channels, all in one channel group. */ | |
127 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
128 | cg->name = g_strdup("Logic"); | |
129 | for (i = 0; i < num_logic_channels; i++) { | |
130 | sprintf(channel_name, "D%d", i); | |
b1e6eec6 GS |
131 | enabled = (i < DEFAULT_ENABLED_LOGIC_CHANNELS) ? TRUE : FALSE; |
132 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, enabled, channel_name); | |
f18e0db3 LPC |
133 | cg->channels = g_slist_append(cg->channels, ch); |
134 | } | |
135 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
136 | } |
137 | ||
ba7dd8bb | 138 | /* Analog channels, channel groups and pattern generators. */ |
f18e0db3 LPC |
139 | if (num_analog_channels > 0) { |
140 | pattern = 0; | |
141 | /* An "Analog" channel group with all analog channels in it. */ | |
142 | acg = g_malloc0(sizeof(struct sr_channel_group)); | |
143 | acg->name = g_strdup("Analog"); | |
144 | sdi->channel_groups = g_slist_append(sdi->channel_groups, acg); | |
145 | ||
146 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); | |
147 | for (i = 0; i < num_analog_channels; i++) { | |
148 | snprintf(channel_name, 16, "A%d", i); | |
b1e6eec6 | 149 | enabled = (i < DEFAULT_ENABLED_ANALOG_CHANNELS) ? TRUE : FALSE; |
f18e0db3 | 150 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, |
b1e6eec6 | 151 | enabled, channel_name); |
f18e0db3 LPC |
152 | acg->channels = g_slist_append(acg->channels, ch); |
153 | ||
154 | /* Every analog channel gets its own channel group as well. */ | |
155 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
156 | cg->name = g_strdup(channel_name); | |
157 | cg->channels = g_slist_append(NULL, ch); | |
158 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
159 | ||
160 | /* Every channel gets a generator struct. */ | |
161 | ag = g_malloc(sizeof(struct analog_gen)); | |
162 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; | |
3be044aa | 163 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 UH |
164 | ag->packet.meaning->channels = cg->channels; |
165 | ag->packet.meaning->mq = 0; | |
166 | ag->packet.meaning->mqflags = 0; | |
167 | ag->packet.meaning->unit = SR_UNIT_VOLT; | |
f18e0db3 LPC |
168 | ag->packet.data = ag->pattern_data; |
169 | ag->pattern = pattern; | |
170 | ag->avg_val = 0.0f; | |
171 | ag->num_avgs = 0; | |
172 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
173 | ||
174 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
175 | pattern = 0; | |
176 | } | |
33ef7573 | 177 | } |
33ef7573 JH |
178 | |
179 | sdi->priv = devc; | |
180 | ||
43376f33 | 181 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
182 | } |
183 | ||
6078d2c9 | 184 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 185 | { |
e73ffd42 | 186 | sdi->status = SR_ST_ACTIVE; |
697785d1 | 187 | |
e46b8fb1 | 188 | return SR_OK; |
6239c175 UH |
189 | } |
190 | ||
6078d2c9 | 191 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 192 | { |
decfe89d | 193 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
194 | |
195 | return SR_OK; | |
6239c175 UH |
196 | } |
197 | ||
ed0b7fed BV |
198 | static void clear_helper(void *priv) |
199 | { | |
200 | struct dev_context *devc; | |
49224c28 BV |
201 | GHashTableIter iter; |
202 | void *value; | |
ed0b7fed BV |
203 | |
204 | devc = priv; | |
49224c28 BV |
205 | |
206 | /* Analog generators. */ | |
207 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
208 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
209 | g_free(value); | |
210 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
211 | g_free(devc); |
212 | } | |
213 | ||
6ab68731 | 214 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 215 | { |
ed0b7fed | 216 | return std_dev_clear(di, clear_helper); |
6239c175 UH |
217 | } |
218 | ||
584560f1 | 219 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 220 | const struct sr_channel_group *cg) |
6239c175 | 221 | { |
c07f60e7 | 222 | struct dev_context *devc; |
ba7dd8bb | 223 | struct sr_channel *ch; |
2388ae86 BV |
224 | struct analog_gen *ag; |
225 | int pattern; | |
6f57fd96 | 226 | |
2388ae86 BV |
227 | if (!sdi) |
228 | return SR_ERR_ARG; | |
8f996b89 | 229 | |
c07f60e7 | 230 | devc = sdi->priv; |
584560f1 | 231 | switch (key) { |
123e1313 | 232 | case SR_CONF_SAMPLERATE: |
a7684294 | 233 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 234 | break; |
2474d87e | 235 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 236 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
237 | break; |
238 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 239 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 240 | break; |
7a8a1aba BG |
241 | case SR_CONF_AVERAGING: |
242 | *data = g_variant_new_boolean(devc->avg); | |
243 | break; | |
244 | case SR_CONF_AVG_SAMPLES: | |
245 | *data = g_variant_new_uint64(devc->avg_samples); | |
246 | break; | |
2474d87e | 247 | case SR_CONF_PATTERN_MODE: |
53b4680f | 248 | if (!cg) |
660e398f | 249 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 250 | /* Any channel in the group will do. */ |
ba7dd8bb | 251 | ch = cg->channels->data; |
3f239f08 | 252 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
253 | pattern = devc->logic_pattern; |
254 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 255 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 256 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
257 | pattern = ag->pattern; |
258 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
259 | } else | |
260 | return SR_ERR_BUG; | |
c07f60e7 | 261 | break; |
dddabe37 BV |
262 | case SR_CONF_AMPLITUDE: |
263 | if (!cg) | |
264 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 265 | /* Any channel in the group will do. */ |
dddabe37 BV |
266 | ch = cg->channels->data; |
267 | if (ch->type != SR_CHANNEL_ANALOG) | |
268 | return SR_ERR_ARG; | |
49224c28 | 269 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
270 | *data = g_variant_new_double(ag->amplitude); |
271 | break; | |
7dfcf010 | 272 | default: |
bd6fbf62 | 273 | return SR_ERR_NA; |
6239c175 UH |
274 | } |
275 | ||
dfb0fa1a | 276 | return SR_OK; |
6239c175 UH |
277 | } |
278 | ||
584560f1 | 279 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 280 | const struct sr_channel_group *cg) |
6239c175 | 281 | { |
8b2d41ed | 282 | struct dev_context *devc; |
4374219b | 283 | struct analog_gen *ag; |
ba7dd8bb | 284 | struct sr_channel *ch; |
49224c28 BV |
285 | GSList *l; |
286 | int logic_pattern, analog_pattern, ret; | |
61c39f54 | 287 | unsigned int i; |
1b79df2f | 288 | const char *stropt; |
6239c175 | 289 | |
8b2d41ed | 290 | devc = sdi->priv; |
6239c175 | 291 | |
e73ffd42 BV |
292 | if (sdi->status != SR_ST_ACTIVE) |
293 | return SR_ERR_DEV_CLOSED; | |
294 | ||
2388ae86 | 295 | ret = SR_OK; |
584560f1 | 296 | switch (key) { |
2388ae86 | 297 | case SR_CONF_SAMPLERATE: |
a7684294 | 298 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
299 | break; |
300 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
301 | devc->limit_msec = 0; |
302 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
303 | break; |
304 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
305 | devc->limit_msec = g_variant_get_uint64(data); |
306 | devc->limit_samples = 0; | |
2388ae86 | 307 | break; |
7a8a1aba BG |
308 | case SR_CONF_AVERAGING: |
309 | devc->avg = g_variant_get_boolean(data); | |
310 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
311 | break; | |
312 | case SR_CONF_AVG_SAMPLES: | |
313 | devc->avg_samples = g_variant_get_uint64(data); | |
314 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
315 | break; | |
2388ae86 | 316 | case SR_CONF_PATTERN_MODE: |
53b4680f | 317 | if (!cg) |
660e398f | 318 | return SR_ERR_CHANNEL_GROUP; |
d00088ca | 319 | stropt = g_variant_get_string(data, NULL); |
49224c28 BV |
320 | logic_pattern = analog_pattern = -1; |
321 | for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) { | |
322 | if (!strcmp(stropt, logic_pattern_str[i])) { | |
323 | logic_pattern = i; | |
324 | break; | |
8b2d41ed | 325 | } |
49224c28 BV |
326 | } |
327 | for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) { | |
328 | if (!strcmp(stropt, analog_pattern_str[i])) { | |
329 | analog_pattern = i; | |
330 | break; | |
8b2d41ed | 331 | } |
49224c28 BV |
332 | } |
333 | if (logic_pattern == -1 && analog_pattern == -1) | |
334 | return SR_ERR_ARG; | |
335 | for (l = cg->channels; l; l = l->next) { | |
336 | ch = l->data; | |
337 | if (ch->type == SR_CHANNEL_LOGIC) { | |
338 | if (logic_pattern == -1) | |
339 | return SR_ERR_ARG; | |
340 | sr_dbg("Setting logic pattern to %s", | |
341 | logic_pattern_str[logic_pattern]); | |
342 | devc->logic_pattern = logic_pattern; | |
343 | /* Might as well do this now, these are static. */ | |
344 | if (logic_pattern == PATTERN_ALL_LOW) | |
345 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
346 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
347 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
348 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
349 | if (analog_pattern == -1) | |
350 | return SR_ERR_ARG; | |
351 | sr_dbg("Setting analog pattern for channel %s to %s", | |
352 | ch->name, analog_pattern_str[analog_pattern]); | |
353 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
354 | ag->pattern = analog_pattern; | |
355 | } else | |
356 | return SR_ERR_BUG; | |
357 | } | |
2388ae86 | 358 | break; |
dddabe37 BV |
359 | case SR_CONF_AMPLITUDE: |
360 | if (!cg) | |
361 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
362 | for (l = cg->channels; l; l = l->next) { |
363 | ch = l->data; | |
364 | if (ch->type != SR_CHANNEL_ANALOG) | |
365 | return SR_ERR_ARG; | |
366 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
367 | ag->amplitude = g_variant_get_double(data); | |
368 | } | |
dddabe37 | 369 | break; |
2388ae86 | 370 | default: |
bd6fbf62 | 371 | ret = SR_ERR_NA; |
6239c175 UH |
372 | } |
373 | ||
374 | return ret; | |
375 | } | |
376 | ||
584560f1 | 377 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 378 | const struct sr_channel_group *cg) |
a1c743fc | 379 | { |
ba7dd8bb | 380 | struct sr_channel *ch; |
d00088ca BV |
381 | GVariant *gvar; |
382 | GVariantBuilder gvb; | |
a1c743fc | 383 | |
7a1da331 | 384 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
385 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
386 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
7a1da331 BV |
387 | return SR_OK; |
388 | } | |
389 | ||
390795c0 BV |
390 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { |
391 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1e4a7cac | 392 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
390795c0 BV |
393 | return SR_OK; |
394 | } | |
395 | ||
7a1da331 BV |
396 | if (!sdi) |
397 | return SR_ERR_ARG; | |
398 | ||
53b4680f | 399 | if (!cg) { |
7a1da331 BV |
400 | switch (key) { |
401 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 402 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
1e4a7cac | 403 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
7a1da331 BV |
404 | break; |
405 | case SR_CONF_SAMPLERATE: | |
406 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
407 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
408 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
409 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
410 | *data = g_variant_builder_end(&gvb); | |
411 | break; | |
412 | default: | |
413 | return SR_ERR_NA; | |
414 | } | |
415 | } else { | |
ba7dd8bb | 416 | ch = cg->channels->data; |
7a1da331 BV |
417 | switch (key) { |
418 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 419 | if (ch->type == SR_CHANNEL_LOGIC) |
8249889d | 420 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
49224c28 | 421 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), |
584560f1 | 422 | sizeof(uint32_t)); |
e2b99f04 SA |
423 | else if (ch->type == SR_CHANNEL_ANALOG) { |
424 | if (strcmp(cg->name, "Analog") == 0) | |
425 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
426 | devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group), | |
427 | sizeof(uint32_t)); | |
428 | else | |
429 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
430 | devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel), | |
431 | sizeof(uint32_t)); | |
432 | } | |
49224c28 BV |
433 | else |
434 | return SR_ERR_BUG; | |
7a1da331 BV |
435 | break; |
436 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
437 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
438 | if (strcmp(cg->name, "Analog") == 0) | |
439 | return SR_ERR_NA; | |
440 | ||
3f239f08 | 441 | if (ch->type == SR_CHANNEL_LOGIC) |
7a1da331 BV |
442 | *data = g_variant_new_strv(logic_pattern_str, |
443 | ARRAY_SIZE(logic_pattern_str)); | |
3f239f08 | 444 | else if (ch->type == SR_CHANNEL_ANALOG) |
7a1da331 BV |
445 | *data = g_variant_new_strv(analog_pattern_str, |
446 | ARRAY_SIZE(analog_pattern_str)); | |
2388ae86 BV |
447 | else |
448 | return SR_ERR_BUG; | |
7a1da331 BV |
449 | break; |
450 | default: | |
451 | return SR_ERR_NA; | |
452 | } | |
a1c743fc BV |
453 | } |
454 | ||
455 | return SR_OK; | |
456 | } | |
457 | ||
695dc859 | 458 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 459 | { |
61c39f54 | 460 | struct dev_context *devc; |
49224c28 BV |
461 | GHashTableIter iter; |
462 | void *value; | |
85b5af06 | 463 | |
e73ffd42 BV |
464 | if (sdi->status != SR_ST_ACTIVE) |
465 | return SR_ERR_DEV_CLOSED; | |
466 | ||
61c39f54 | 467 | devc = sdi->priv; |
a49a320d | 468 | devc->sent_samples = 0; |
85b5af06 | 469 | |
49224c28 BV |
470 | g_hash_table_iter_init(&iter, devc->ch_ag); |
471 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
ba508e22 | 472 | demo_generate_analog_pattern(value, devc->cur_samplerate); |
4374219b | 473 | |
98c01fe1 | 474 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 475 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 476 | |
bee2b016 | 477 | std_session_send_df_header(sdi); |
f366e86c | 478 | |
3b203673 | 479 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
480 | devc->start_us = g_get_monotonic_time(); |
481 | devc->spent_us = 0; | |
471ac344 | 482 | devc->step = 0; |
3b203673 | 483 | |
e46b8fb1 | 484 | return SR_OK; |
6239c175 UH |
485 | } |
486 | ||
695dc859 | 487 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 488 | { |
a84f6ad3 | 489 | sr_dbg("Stopping acquisition."); |
027bf077 | 490 | sr_session_source_remove(sdi->session, -1); |
bee2b016 | 491 | std_session_send_df_end(sdi); |
7fd3e859 | 492 | |
3010f21c | 493 | return SR_OK; |
6239c175 UH |
494 | } |
495 | ||
dd5c48a6 | 496 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
497 | .name = "demo", |
498 | .longname = "Demo driver and pattern generator", | |
499 | .api_version = 1, | |
c2fdcc25 | 500 | .init = std_init, |
700d6b64 | 501 | .cleanup = std_cleanup, |
6078d2c9 | 502 | .scan = scan, |
c01bf34c | 503 | .dev_list = std_dev_list, |
6ab68731 | 504 | .dev_clear = dev_clear, |
035a1078 BV |
505 | .config_get = config_get, |
506 | .config_set = config_set, | |
a1c743fc | 507 | .config_list = config_list, |
6078d2c9 UH |
508 | .dev_open = dev_open, |
509 | .dev_close = dev_close, | |
510 | .dev_acquisition_start = dev_acquisition_start, | |
511 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 512 | .context = NULL, |
6239c175 | 513 | }; |
dd5c48a6 | 514 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |