]>
Commit | Line | Data |
---|---|---|
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 | |
7db90279 | 31 | #define DEFAULT_NUM_LOGIC_CHANNELS 8 |
b1e6eec6 | 32 | #define DEFAULT_LOGIC_PATTERN PATTERN_SIGROK |
c03ed397 | 33 | |
b1e6eec6 | 34 | #define DEFAULT_NUM_ANALOG_CHANNELS 4 |
d9251a2c | 35 | #define DEFAULT_ANALOG_AMPLITUDE 10 |
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", |
61c39f54 BV |
47 | }; |
48 | ||
1e4a7cac BV |
49 | static const uint32_t drvopts[] = { |
50 | SR_CONF_DEMO_DEV, | |
51 | SR_CONF_LOGIC_ANALYZER, | |
52 | SR_CONF_OSCILLOSCOPE, | |
53 | }; | |
54 | ||
584560f1 | 55 | static const uint32_t scanopts[] = { |
3f239f08 UH |
56 | SR_CONF_NUM_LOGIC_CHANNELS, |
57 | SR_CONF_NUM_ANALOG_CHANNELS, | |
e15f48c2 | 58 | }; |
85b5af06 | 59 | |
390795c0 | 60 | static const uint32_t devopts[] = { |
e91bb0a6 | 61 | SR_CONF_CONTINUOUS, |
5827f61b BV |
62 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
63 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
390795c0 | 64 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
7a8a1aba BG |
65 | SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET, |
66 | SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
390795c0 BV |
67 | }; |
68 | ||
69 | static const uint32_t devopts_cg_logic[] = { | |
f12d9979 | 70 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
49224c28 BV |
71 | }; |
72 | ||
e2b99f04 SA |
73 | static const uint32_t devopts_cg_analog_group[] = { |
74 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
75 | }; | |
76 | ||
77 | static const uint32_t devopts_cg_analog_channel[] = { | |
f12d9979 BV |
78 | SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
79 | SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET, | |
7a1da331 BV |
80 | }; |
81 | ||
d00088ca BV |
82 | static const uint64_t samplerates[] = { |
83 | SR_HZ(1), | |
84 | SR_GHZ(1), | |
85 | SR_HZ(1), | |
4bfbf9fc BV |
86 | }; |
87 | ||
4f840ce9 | 88 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
6239c175 | 89 | { |
33ef7573 | 90 | struct dev_context *devc; |
c07f60e7 | 91 | struct sr_dev_inst *sdi; |
ba7dd8bb | 92 | struct sr_channel *ch; |
49224c28 | 93 | struct sr_channel_group *cg, *acg; |
c07f60e7 | 94 | struct sr_config *src; |
8b2d41ed | 95 | struct analog_gen *ag; |
43376f33 | 96 | GSList *l; |
ba7dd8bb UH |
97 | int num_logic_channels, num_analog_channels, pattern, i; |
98 | char channel_name[16]; | |
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); | |
f1c79a6a | 131 | ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name); |
f18e0db3 LPC |
132 | cg->channels = g_slist_append(cg->channels, ch); |
133 | } | |
134 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87ca93c5 BV |
135 | } |
136 | ||
ba7dd8bb | 137 | /* Analog channels, channel groups and pattern generators. */ |
d91d0b12 | 138 | devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal); |
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 | ||
f18e0db3 LPC |
146 | for (i = 0; i < num_analog_channels; i++) { |
147 | snprintf(channel_name, 16, "A%d", i); | |
148 | ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG, | |
f1c79a6a | 149 | TRUE, channel_name); |
f18e0db3 LPC |
150 | acg->channels = g_slist_append(acg->channels, ch); |
151 | ||
152 | /* Every analog channel gets its own channel group as well. */ | |
153 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
154 | cg->name = g_strdup(channel_name); | |
155 | cg->channels = g_slist_append(NULL, ch); | |
156 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
157 | ||
158 | /* Every channel gets a generator struct. */ | |
159 | ag = g_malloc(sizeof(struct analog_gen)); | |
01f2adb0 | 160 | ag->ch = ch; |
f18e0db3 | 161 | ag->amplitude = DEFAULT_ANALOG_AMPLITUDE; |
3be044aa | 162 | sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2); |
4b770103 UH |
163 | ag->packet.meaning->channels = cg->channels; |
164 | ag->packet.meaning->mq = 0; | |
165 | ag->packet.meaning->mqflags = 0; | |
166 | ag->packet.meaning->unit = SR_UNIT_VOLT; | |
f18e0db3 LPC |
167 | ag->packet.data = ag->pattern_data; |
168 | ag->pattern = pattern; | |
169 | ag->avg_val = 0.0f; | |
170 | ag->num_avgs = 0; | |
171 | g_hash_table_insert(devc->ch_ag, ch, ag); | |
172 | ||
173 | if (++pattern == ARRAY_SIZE(analog_pattern_str)) | |
174 | pattern = 0; | |
175 | } | |
33ef7573 | 176 | } |
33ef7573 JH |
177 | |
178 | sdi->priv = devc; | |
179 | ||
43376f33 | 180 | return std_scan_complete(di, g_slist_append(NULL, sdi)); |
6239c175 UH |
181 | } |
182 | ||
6078d2c9 | 183 | static int dev_open(struct sr_dev_inst *sdi) |
6239c175 | 184 | { |
7e463623 | 185 | (void)sdi; |
697785d1 | 186 | |
e46b8fb1 | 187 | return SR_OK; |
6239c175 UH |
188 | } |
189 | ||
6078d2c9 | 190 | static int dev_close(struct sr_dev_inst *sdi) |
6239c175 | 191 | { |
f1ba6b4b | 192 | (void)sdi; |
697785d1 UH |
193 | |
194 | return SR_OK; | |
6239c175 UH |
195 | } |
196 | ||
ed0b7fed BV |
197 | static void clear_helper(void *priv) |
198 | { | |
199 | struct dev_context *devc; | |
49224c28 BV |
200 | GHashTableIter iter; |
201 | void *value; | |
ed0b7fed BV |
202 | |
203 | devc = priv; | |
49224c28 BV |
204 | |
205 | /* Analog generators. */ | |
206 | g_hash_table_iter_init(&iter, devc->ch_ag); | |
207 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
208 | g_free(value); | |
209 | g_hash_table_unref(devc->ch_ag); | |
ed0b7fed BV |
210 | g_free(devc); |
211 | } | |
212 | ||
6ab68731 | 213 | static int dev_clear(const struct sr_dev_driver *di) |
6239c175 | 214 | { |
ed0b7fed | 215 | return std_dev_clear(di, clear_helper); |
6239c175 UH |
216 | } |
217 | ||
584560f1 | 218 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 219 | const struct sr_channel_group *cg) |
6239c175 | 220 | { |
c07f60e7 | 221 | struct dev_context *devc; |
ba7dd8bb | 222 | struct sr_channel *ch; |
2388ae86 BV |
223 | struct analog_gen *ag; |
224 | int pattern; | |
6f57fd96 | 225 | |
2388ae86 BV |
226 | if (!sdi) |
227 | return SR_ERR_ARG; | |
8f996b89 | 228 | |
c07f60e7 | 229 | devc = sdi->priv; |
584560f1 | 230 | switch (key) { |
123e1313 | 231 | case SR_CONF_SAMPLERATE: |
a7684294 | 232 | *data = g_variant_new_uint64(devc->cur_samplerate); |
6239c175 | 233 | break; |
2474d87e | 234 | case SR_CONF_LIMIT_SAMPLES: |
a7684294 | 235 | *data = g_variant_new_uint64(devc->limit_samples); |
2474d87e BV |
236 | break; |
237 | case SR_CONF_LIMIT_MSEC: | |
a7684294 | 238 | *data = g_variant_new_uint64(devc->limit_msec); |
2474d87e | 239 | break; |
7a8a1aba BG |
240 | case SR_CONF_AVERAGING: |
241 | *data = g_variant_new_boolean(devc->avg); | |
242 | break; | |
243 | case SR_CONF_AVG_SAMPLES: | |
244 | *data = g_variant_new_uint64(devc->avg_samples); | |
245 | break; | |
2474d87e | 246 | case SR_CONF_PATTERN_MODE: |
53b4680f | 247 | if (!cg) |
660e398f | 248 | return SR_ERR_CHANNEL_GROUP; |
49224c28 | 249 | /* Any channel in the group will do. */ |
ba7dd8bb | 250 | ch = cg->channels->data; |
3f239f08 | 251 | if (ch->type == SR_CHANNEL_LOGIC) { |
2388ae86 BV |
252 | pattern = devc->logic_pattern; |
253 | *data = g_variant_new_string(logic_pattern_str[pattern]); | |
3f239f08 | 254 | } else if (ch->type == SR_CHANNEL_ANALOG) { |
49224c28 | 255 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
2388ae86 BV |
256 | pattern = ag->pattern; |
257 | *data = g_variant_new_string(analog_pattern_str[pattern]); | |
258 | } else | |
259 | return SR_ERR_BUG; | |
c07f60e7 | 260 | break; |
dddabe37 BV |
261 | case SR_CONF_AMPLITUDE: |
262 | if (!cg) | |
263 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 | 264 | /* Any channel in the group will do. */ |
dddabe37 BV |
265 | ch = cg->channels->data; |
266 | if (ch->type != SR_CHANNEL_ANALOG) | |
267 | return SR_ERR_ARG; | |
49224c28 | 268 | ag = g_hash_table_lookup(devc->ch_ag, ch); |
dddabe37 BV |
269 | *data = g_variant_new_double(ag->amplitude); |
270 | break; | |
7dfcf010 | 271 | default: |
bd6fbf62 | 272 | return SR_ERR_NA; |
6239c175 UH |
273 | } |
274 | ||
dfb0fa1a | 275 | return SR_OK; |
6239c175 UH |
276 | } |
277 | ||
584560f1 | 278 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 279 | const struct sr_channel_group *cg) |
6239c175 | 280 | { |
8b2d41ed | 281 | struct dev_context *devc; |
4374219b | 282 | struct analog_gen *ag; |
ba7dd8bb | 283 | struct sr_channel *ch; |
49224c28 BV |
284 | GSList *l; |
285 | int logic_pattern, analog_pattern, ret; | |
61c39f54 | 286 | unsigned int i; |
1b79df2f | 287 | const char *stropt; |
6239c175 | 288 | |
8b2d41ed | 289 | devc = sdi->priv; |
6239c175 | 290 | |
2388ae86 | 291 | ret = SR_OK; |
584560f1 | 292 | switch (key) { |
2388ae86 | 293 | case SR_CONF_SAMPLERATE: |
a7684294 | 294 | devc->cur_samplerate = g_variant_get_uint64(data); |
2388ae86 BV |
295 | break; |
296 | case SR_CONF_LIMIT_SAMPLES: | |
a7684294 JH |
297 | devc->limit_msec = 0; |
298 | devc->limit_samples = g_variant_get_uint64(data); | |
2388ae86 BV |
299 | break; |
300 | case SR_CONF_LIMIT_MSEC: | |
a7684294 JH |
301 | devc->limit_msec = g_variant_get_uint64(data); |
302 | devc->limit_samples = 0; | |
2388ae86 | 303 | break; |
7a8a1aba BG |
304 | case SR_CONF_AVERAGING: |
305 | devc->avg = g_variant_get_boolean(data); | |
306 | sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling"); | |
307 | break; | |
308 | case SR_CONF_AVG_SAMPLES: | |
309 | devc->avg_samples = g_variant_get_uint64(data); | |
310 | sr_dbg("Setting averaging rate to %" PRIu64, devc->avg_samples); | |
311 | break; | |
2388ae86 | 312 | case SR_CONF_PATTERN_MODE: |
53b4680f | 313 | if (!cg) |
660e398f | 314 | return SR_ERR_CHANNEL_GROUP; |
d00088ca | 315 | stropt = g_variant_get_string(data, NULL); |
49224c28 BV |
316 | logic_pattern = analog_pattern = -1; |
317 | for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) { | |
318 | if (!strcmp(stropt, logic_pattern_str[i])) { | |
319 | logic_pattern = i; | |
320 | break; | |
8b2d41ed | 321 | } |
49224c28 BV |
322 | } |
323 | for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) { | |
324 | if (!strcmp(stropt, analog_pattern_str[i])) { | |
325 | analog_pattern = i; | |
326 | break; | |
8b2d41ed | 327 | } |
49224c28 BV |
328 | } |
329 | if (logic_pattern == -1 && analog_pattern == -1) | |
330 | return SR_ERR_ARG; | |
331 | for (l = cg->channels; l; l = l->next) { | |
332 | ch = l->data; | |
333 | if (ch->type == SR_CHANNEL_LOGIC) { | |
334 | if (logic_pattern == -1) | |
335 | return SR_ERR_ARG; | |
336 | sr_dbg("Setting logic pattern to %s", | |
337 | logic_pattern_str[logic_pattern]); | |
338 | devc->logic_pattern = logic_pattern; | |
339 | /* Might as well do this now, these are static. */ | |
340 | if (logic_pattern == PATTERN_ALL_LOW) | |
341 | memset(devc->logic_data, 0x00, LOGIC_BUFSIZE); | |
342 | else if (logic_pattern == PATTERN_ALL_HIGH) | |
343 | memset(devc->logic_data, 0xff, LOGIC_BUFSIZE); | |
344 | } else if (ch->type == SR_CHANNEL_ANALOG) { | |
345 | if (analog_pattern == -1) | |
346 | return SR_ERR_ARG; | |
347 | sr_dbg("Setting analog pattern for channel %s to %s", | |
348 | ch->name, analog_pattern_str[analog_pattern]); | |
349 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
350 | ag->pattern = analog_pattern; | |
351 | } else | |
352 | return SR_ERR_BUG; | |
353 | } | |
2388ae86 | 354 | break; |
dddabe37 BV |
355 | case SR_CONF_AMPLITUDE: |
356 | if (!cg) | |
357 | return SR_ERR_CHANNEL_GROUP; | |
49224c28 BV |
358 | for (l = cg->channels; l; l = l->next) { |
359 | ch = l->data; | |
360 | if (ch->type != SR_CHANNEL_ANALOG) | |
361 | return SR_ERR_ARG; | |
362 | ag = g_hash_table_lookup(devc->ch_ag, ch); | |
363 | ag->amplitude = g_variant_get_double(data); | |
364 | } | |
dddabe37 | 365 | break; |
2388ae86 | 366 | default: |
bd6fbf62 | 367 | ret = SR_ERR_NA; |
6239c175 UH |
368 | } |
369 | ||
370 | return ret; | |
371 | } | |
372 | ||
584560f1 | 373 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 374 | const struct sr_channel_group *cg) |
a1c743fc | 375 | { |
ba7dd8bb | 376 | struct sr_channel *ch; |
d00088ca BV |
377 | GVariant *gvar; |
378 | GVariantBuilder gvb; | |
a1c743fc | 379 | |
7a1da331 | 380 | if (key == SR_CONF_SCAN_OPTIONS) { |
584560f1 BV |
381 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
382 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
7a1da331 BV |
383 | return SR_OK; |
384 | } | |
385 | ||
390795c0 BV |
386 | if (key == SR_CONF_DEVICE_OPTIONS && !sdi) { |
387 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
1e4a7cac | 388 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
390795c0 BV |
389 | return SR_OK; |
390 | } | |
391 | ||
7a1da331 BV |
392 | if (!sdi) |
393 | return SR_ERR_ARG; | |
394 | ||
53b4680f | 395 | if (!cg) { |
7a1da331 BV |
396 | switch (key) { |
397 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 398 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
1e4a7cac | 399 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
7a1da331 BV |
400 | break; |
401 | case SR_CONF_SAMPLERATE: | |
402 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); | |
403 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates, | |
404 | ARRAY_SIZE(samplerates), sizeof(uint64_t)); | |
405 | g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar); | |
406 | *data = g_variant_builder_end(&gvb); | |
407 | break; | |
408 | default: | |
409 | return SR_ERR_NA; | |
410 | } | |
411 | } else { | |
ba7dd8bb | 412 | ch = cg->channels->data; |
7a1da331 BV |
413 | switch (key) { |
414 | case SR_CONF_DEVICE_OPTIONS: | |
49224c28 | 415 | if (ch->type == SR_CHANNEL_LOGIC) |
8249889d | 416 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
49224c28 | 417 | devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic), |
584560f1 | 418 | sizeof(uint32_t)); |
e2b99f04 SA |
419 | else if (ch->type == SR_CHANNEL_ANALOG) { |
420 | if (strcmp(cg->name, "Analog") == 0) | |
421 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
422 | devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group), | |
423 | sizeof(uint32_t)); | |
424 | else | |
425 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
426 | devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel), | |
427 | sizeof(uint32_t)); | |
428 | } | |
49224c28 BV |
429 | else |
430 | return SR_ERR_BUG; | |
7a1da331 BV |
431 | break; |
432 | case SR_CONF_PATTERN_MODE: | |
e2b99f04 SA |
433 | /* The analog group (with all 4 channels) shall not have a pattern property. */ |
434 | if (strcmp(cg->name, "Analog") == 0) | |
435 | return SR_ERR_NA; | |
436 | ||
3f239f08 | 437 | if (ch->type == SR_CHANNEL_LOGIC) |
7a1da331 BV |
438 | *data = g_variant_new_strv(logic_pattern_str, |
439 | ARRAY_SIZE(logic_pattern_str)); | |
3f239f08 | 440 | else if (ch->type == SR_CHANNEL_ANALOG) |
7a1da331 BV |
441 | *data = g_variant_new_strv(analog_pattern_str, |
442 | ARRAY_SIZE(analog_pattern_str)); | |
2388ae86 BV |
443 | else |
444 | return SR_ERR_BUG; | |
7a1da331 BV |
445 | break; |
446 | default: | |
447 | return SR_ERR_NA; | |
448 | } | |
a1c743fc BV |
449 | } |
450 | ||
451 | return SR_OK; | |
452 | } | |
453 | ||
695dc859 | 454 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
6239c175 | 455 | { |
61c39f54 | 456 | struct dev_context *devc; |
1b7b72d4 GS |
457 | GSList *l; |
458 | struct sr_channel *ch; | |
4a465510 GS |
459 | int bitpos; |
460 | uint8_t mask; | |
49224c28 BV |
461 | GHashTableIter iter; |
462 | void *value; | |
85b5af06 | 463 | |
61c39f54 | 464 | devc = sdi->priv; |
a49a320d | 465 | devc->sent_samples = 0; |
85b5af06 | 466 | |
4a465510 GS |
467 | /* |
468 | * Determine the numbers of logic and analog channels that are | |
469 | * involved in the acquisition. Determine an offset and a mask to | |
470 | * remove excess logic data content before datafeed submission. | |
471 | */ | |
1b7b72d4 GS |
472 | devc->enabled_logic_channels = 0; |
473 | devc->enabled_analog_channels = 0; | |
474 | for (l = sdi->channels; l; l = l->next) { | |
475 | ch = l->data; | |
476 | if (!ch->enabled) | |
477 | continue; | |
478 | if (ch->type == SR_CHANNEL_ANALOG) { | |
479 | devc->enabled_analog_channels++; | |
480 | continue; | |
481 | } | |
4a465510 | 482 | if (ch->type != SR_CHANNEL_LOGIC) |
1b7b72d4 | 483 | continue; |
4a465510 GS |
484 | /* |
485 | * TODO: Need we create a channel map here, such that the | |
486 | * session datafeed packets will have a dense representation | |
487 | * of the enabled channels' data? For example store channels | |
488 | * D3 and D5 in bit positions 0 and 1 respectively, when all | |
489 | * other channels are disabled? The current implementation | |
490 | * generates a sparse layout, might provide data for logic | |
491 | * channels that are disabled while it might suppress data | |
492 | * from enabled channels at the same time. | |
493 | */ | |
494 | devc->enabled_logic_channels++; | |
1b7b72d4 | 495 | } |
4a465510 GS |
496 | devc->first_partial_logic_index = devc->enabled_logic_channels / 8; |
497 | bitpos = devc->enabled_logic_channels % 8; | |
498 | mask = (1 << bitpos) - 1; | |
499 | devc->first_partial_logic_mask = mask; | |
500 | sr_dbg("DBG: %s(), num logic %zu, partial off %zu, mask 0x%02x", | |
501 | __func__, devc->enabled_logic_channels, | |
502 | devc->first_partial_logic_index, | |
503 | devc->first_partial_logic_mask); | |
504 | ||
505 | /* | |
506 | * Have the waveform for analog patterns pre-generated. It's | |
507 | * supposed to be periodic, so the generator just needs to | |
508 | * access the prepared sample data (DDS style). | |
509 | */ | |
49224c28 BV |
510 | g_hash_table_iter_init(&iter, devc->ch_ag); |
511 | while (g_hash_table_iter_next(&iter, NULL, &value)) | |
ba508e22 | 512 | demo_generate_analog_pattern(value, devc->cur_samplerate); |
4374219b | 513 | |
98c01fe1 | 514 | sr_session_source_add(sdi->session, -1, 0, 100, |
ba508e22 | 515 | demo_prepare_data, (struct sr_dev_inst *)sdi); |
85b5af06 | 516 | |
bee2b016 | 517 | std_session_send_df_header(sdi); |
f366e86c | 518 | |
3b203673 | 519 | /* We use this timestamp to decide how many more samples to send. */ |
a49a320d DE |
520 | devc->start_us = g_get_monotonic_time(); |
521 | devc->spent_us = 0; | |
471ac344 | 522 | devc->step = 0; |
3b203673 | 523 | |
e46b8fb1 | 524 | return SR_OK; |
6239c175 UH |
525 | } |
526 | ||
695dc859 | 527 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
6239c175 | 528 | { |
027bf077 | 529 | sr_session_source_remove(sdi->session, -1); |
bee2b016 | 530 | std_session_send_df_end(sdi); |
7fd3e859 | 531 | |
3010f21c | 532 | return SR_OK; |
6239c175 UH |
533 | } |
534 | ||
dd5c48a6 | 535 | static struct sr_dev_driver demo_driver_info = { |
e519ba86 UH |
536 | .name = "demo", |
537 | .longname = "Demo driver and pattern generator", | |
538 | .api_version = 1, | |
c2fdcc25 | 539 | .init = std_init, |
700d6b64 | 540 | .cleanup = std_cleanup, |
6078d2c9 | 541 | .scan = scan, |
c01bf34c | 542 | .dev_list = std_dev_list, |
6ab68731 | 543 | .dev_clear = dev_clear, |
035a1078 BV |
544 | .config_get = config_get, |
545 | .config_set = config_set, | |
a1c743fc | 546 | .config_list = config_list, |
6078d2c9 UH |
547 | .dev_open = dev_open, |
548 | .dev_close = dev_close, | |
549 | .dev_acquisition_start = dev_acquisition_start, | |
550 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 551 | .context = NULL, |
6239c175 | 552 | }; |
dd5c48a6 | 553 | SR_REGISTER_DEV_DRIVER(demo_driver_info); |