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1 | /* | |
2 | * This file is part of the sigrok-cli project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <config.h> | |
21 | #include <glib.h> | |
22 | #include <glib/gstdio.h> | |
23 | #include <string.h> | |
24 | #include <stdlib.h> | |
25 | #include "sigrok-cli.h" | |
26 | ||
27 | static uint64_t limit_samples = 0; | |
28 | static uint64_t limit_frames = 0; | |
29 | ||
30 | #ifdef HAVE_SRD | |
31 | extern struct srd_session *srd_sess; | |
32 | #endif | |
33 | ||
34 | static int set_limit_time(const struct sr_dev_inst *sdi) | |
35 | { | |
36 | GVariant *gvar; | |
37 | uint64_t time_msec; | |
38 | uint64_t samplerate; | |
39 | struct sr_dev_driver *driver; | |
40 | ||
41 | driver = sr_dev_inst_driver_get(sdi); | |
42 | ||
43 | if (!(time_msec = sr_parse_timestring(opt_time))) { | |
44 | g_critical("Invalid time '%s'", opt_time); | |
45 | return SR_ERR; | |
46 | } | |
47 | ||
48 | if (sr_dev_config_capabilities_list(sdi, NULL, SR_CONF_LIMIT_MSEC) | |
49 | & SR_CONF_SET) { | |
50 | gvar = g_variant_new_uint64(time_msec); | |
51 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_MSEC, gvar) != SR_OK) { | |
52 | g_critical("Failed to configure time limit."); | |
53 | return SR_ERR; | |
54 | } | |
55 | } else if (sr_dev_config_capabilities_list(sdi, NULL, SR_CONF_SAMPLERATE) | |
56 | & (SR_CONF_GET | SR_CONF_SET)) { | |
57 | /* Convert to samples based on the samplerate. */ | |
58 | sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE, &gvar); | |
59 | samplerate = g_variant_get_uint64(gvar); | |
60 | g_variant_unref(gvar); | |
61 | limit_samples = (samplerate) * time_msec / (uint64_t)1000; | |
62 | if (limit_samples == 0) { | |
63 | g_critical("Not enough time at this samplerate."); | |
64 | return SR_ERR; | |
65 | } | |
66 | gvar = g_variant_new_uint64(limit_samples); | |
67 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) { | |
68 | g_critical("Failed to configure time-based sample limit."); | |
69 | return SR_ERR; | |
70 | } | |
71 | } else { | |
72 | g_critical("This device does not support time limits."); | |
73 | return SR_ERR; | |
74 | } | |
75 | ||
76 | return SR_OK; | |
77 | } | |
78 | ||
79 | const struct sr_output *setup_output_format(const struct sr_dev_inst *sdi, FILE **outfile) | |
80 | { | |
81 | const struct sr_output_module *omod; | |
82 | const struct sr_option **options; | |
83 | const struct sr_output *o; | |
84 | GHashTable *fmtargs, *fmtopts; | |
85 | char *fmtspec; | |
86 | ||
87 | if (!opt_output_format) { | |
88 | if (opt_output_file) { | |
89 | opt_output_format = DEFAULT_OUTPUT_FORMAT_FILE; | |
90 | } else { | |
91 | opt_output_format = DEFAULT_OUTPUT_FORMAT_NOFILE; | |
92 | } | |
93 | } | |
94 | ||
95 | fmtargs = parse_generic_arg(opt_output_format, TRUE); | |
96 | fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key"); | |
97 | if (!fmtspec) | |
98 | g_critical("Invalid output format."); | |
99 | if (!(omod = sr_output_find(fmtspec))) | |
100 | g_critical("Unknown output module '%s'.", fmtspec); | |
101 | g_hash_table_remove(fmtargs, "sigrok_key"); | |
102 | if ((options = sr_output_options_get(omod))) { | |
103 | fmtopts = generic_arg_to_opt(options, fmtargs); | |
104 | sr_output_options_free(options); | |
105 | } else | |
106 | fmtopts = NULL; | |
107 | o = sr_output_new(omod, fmtopts, sdi, opt_output_file); | |
108 | ||
109 | if (opt_output_file) { | |
110 | if (!sr_output_test_flag(omod, SR_OUTPUT_INTERNAL_IO_HANDLING)) { | |
111 | *outfile = g_fopen(opt_output_file, "wb"); | |
112 | if (!*outfile) { | |
113 | g_critical("Cannot write to output file '%s'.", | |
114 | opt_output_file); | |
115 | } | |
116 | } else { | |
117 | *outfile = NULL; | |
118 | } | |
119 | } else { | |
120 | *outfile = stdout; | |
121 | } | |
122 | ||
123 | if (fmtopts) | |
124 | g_hash_table_destroy(fmtopts); | |
125 | g_hash_table_destroy(fmtargs); | |
126 | ||
127 | return o; | |
128 | } | |
129 | ||
130 | const struct sr_transform *setup_transform_module(const struct sr_dev_inst *sdi) | |
131 | { | |
132 | const struct sr_transform_module *tmod; | |
133 | const struct sr_option **options; | |
134 | const struct sr_transform *t; | |
135 | GHashTable *fmtargs, *fmtopts; | |
136 | char *fmtspec; | |
137 | ||
138 | fmtargs = parse_generic_arg(opt_transform_module, TRUE); | |
139 | fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key"); | |
140 | if (!fmtspec) | |
141 | g_critical("Invalid transform module."); | |
142 | if (!(tmod = sr_transform_find(fmtspec))) | |
143 | g_critical("Unknown transform module '%s'.", fmtspec); | |
144 | g_hash_table_remove(fmtargs, "sigrok_key"); | |
145 | if ((options = sr_transform_options_get(tmod))) { | |
146 | fmtopts = generic_arg_to_opt(options, fmtargs); | |
147 | sr_transform_options_free(options); | |
148 | } else | |
149 | fmtopts = NULL; | |
150 | t = sr_transform_new(tmod, fmtopts, sdi); | |
151 | if (fmtopts) | |
152 | g_hash_table_destroy(fmtopts); | |
153 | g_hash_table_destroy(fmtargs); | |
154 | ||
155 | return t; | |
156 | } | |
157 | ||
158 | /* Get the input stream's list of channels and their types, once. */ | |
159 | static void props_get_channels(struct df_arg_desc *args, | |
160 | const struct sr_dev_inst *sdi) | |
161 | { | |
162 | struct input_stream_props *props; | |
163 | GSList *l; | |
164 | const struct sr_channel *ch; | |
165 | ||
166 | if (!args) | |
167 | return; | |
168 | props = &args->props; | |
169 | if (props->channels) | |
170 | return; | |
171 | ||
172 | props->channels = g_slist_copy(sr_dev_inst_channels_get(sdi)); | |
173 | if (!props->channels) | |
174 | return; | |
175 | for (l = props->channels; l; l = l->next) { | |
176 | ch = l->data; | |
177 | if (!ch->enabled) | |
178 | continue; | |
179 | if (ch->type != SR_CHANNEL_ANALOG) | |
180 | continue; | |
181 | props->first_analog_channel = ch; | |
182 | break; | |
183 | } | |
184 | } | |
185 | ||
186 | static gboolean props_chk_1st_channel(struct df_arg_desc *args, | |
187 | const struct sr_datafeed_analog *analog) | |
188 | { | |
189 | struct sr_channel *ch; | |
190 | ||
191 | if (!args || !analog || !analog->meaning) | |
192 | return FALSE; | |
193 | ch = g_slist_nth_data(analog->meaning->channels, 0); | |
194 | if (!ch) | |
195 | return FALSE; | |
196 | return ch == args->props.first_analog_channel; | |
197 | } | |
198 | ||
199 | static void props_dump_details(struct df_arg_desc *args) | |
200 | { | |
201 | struct input_stream_props *props; | |
202 | size_t ch_count; | |
203 | GSList *l; | |
204 | const struct sr_channel *ch; | |
205 | const char *type; | |
206 | ||
207 | if (!args) | |
208 | return; | |
209 | props = &args->props; | |
210 | if (props->samplerate) | |
211 | printf("Samplerate: %" PRIu64 "\n", props->samplerate); | |
212 | if (props->channels) { | |
213 | ch_count = g_slist_length(props->channels); | |
214 | printf("Channels: %zu\n", ch_count); | |
215 | for (l = props->channels; l; l = l->next) { | |
216 | ch = l->data; | |
217 | if (ch->type == SR_CHANNEL_ANALOG) | |
218 | type = "analog"; | |
219 | else | |
220 | type = "logic"; | |
221 | printf("- %s: %s\n", ch->name, type); | |
222 | } | |
223 | } | |
224 | if (props->unitsize) | |
225 | printf("Logic unitsize: %zu\n", props->unitsize); | |
226 | if (props->sample_count_logic) | |
227 | printf("Logic sample count: %" PRIu64 "\n", props->sample_count_logic); | |
228 | if (props->sample_count_analog) | |
229 | printf("Analog sample count: %" PRIu64 "\n", props->sample_count_analog); | |
230 | if (props->frame_count) | |
231 | printf("Frame count: %" PRIu64 "\n", props->frame_count); | |
232 | if (props->triggered) | |
233 | printf("Trigger count: %" PRIu64 "\n", props->triggered); | |
234 | } | |
235 | ||
236 | static void props_cleanup(struct df_arg_desc *args) | |
237 | { | |
238 | struct input_stream_props *props; | |
239 | ||
240 | if (!args) | |
241 | return; | |
242 | props = &args->props; | |
243 | g_slist_free(props->channels); | |
244 | props->channels = NULL; | |
245 | props->first_analog_channel = NULL; | |
246 | } | |
247 | ||
248 | void datafeed_in(const struct sr_dev_inst *sdi, | |
249 | const struct sr_datafeed_packet *packet, void *cb_data) | |
250 | { | |
251 | static const struct sr_output *o = NULL; | |
252 | static const struct sr_output *oa = NULL; | |
253 | static uint64_t rcvd_samples_logic = 0; | |
254 | static uint64_t rcvd_samples_analog = 0; | |
255 | static uint64_t samplerate = 0; | |
256 | static int triggered = 0; | |
257 | static FILE *outfile = NULL; | |
258 | ||
259 | const struct sr_datafeed_meta *meta; | |
260 | const struct sr_datafeed_logic *logic; | |
261 | const struct sr_datafeed_analog *analog; | |
262 | struct df_arg_desc *df_arg; | |
263 | int do_props; | |
264 | struct input_stream_props *props; | |
265 | struct sr_session *session; | |
266 | struct sr_config *src; | |
267 | GSList *l; | |
268 | GString *out; | |
269 | GVariant *gvar; | |
270 | uint64_t end_sample; | |
271 | uint64_t input_len; | |
272 | struct sr_dev_driver *driver; | |
273 | ||
274 | /* Avoid warnings when building without decoder support. */ | |
275 | (void)session; | |
276 | (void)input_len; | |
277 | ||
278 | driver = sr_dev_inst_driver_get(sdi); | |
279 | ||
280 | /* Skip all packets before the first header. */ | |
281 | if (packet->type != SR_DF_HEADER && !o) | |
282 | return; | |
283 | ||
284 | /* Prepare to either process data, or "just" gather properties. */ | |
285 | df_arg = cb_data; | |
286 | session = df_arg->session; | |
287 | do_props = df_arg->do_props; | |
288 | props = &df_arg->props; | |
289 | ||
290 | switch (packet->type) { | |
291 | case SR_DF_HEADER: | |
292 | g_debug("cli: Received SR_DF_HEADER."); | |
293 | if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE, | |
294 | &gvar) == SR_OK) { | |
295 | samplerate = g_variant_get_uint64(gvar); | |
296 | g_variant_unref(gvar); | |
297 | } | |
298 | if (do_props) { | |
299 | /* Setup variables for maximum code path re-use. */ | |
300 | o = (void *)-1; | |
301 | limit_samples = 0; | |
302 | /* Start collecting input stream properties. */ | |
303 | memset(props, 0, sizeof(*props)); | |
304 | props->samplerate = samplerate; | |
305 | props_get_channels(df_arg, sdi); | |
306 | break; | |
307 | } | |
308 | if (!(o = setup_output_format(sdi, &outfile))) | |
309 | g_critical("Failed to initialize output module."); | |
310 | ||
311 | /* Set up backup analog output module. */ | |
312 | if (outfile) | |
313 | oa = sr_output_new(sr_output_find("analog"), NULL, | |
314 | sdi, NULL); | |
315 | ||
316 | rcvd_samples_logic = rcvd_samples_analog = 0; | |
317 | ||
318 | #ifdef HAVE_SRD | |
319 | if (opt_pds) { | |
320 | if (samplerate) { | |
321 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
322 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
323 | g_critical("Failed to configure decode session."); | |
324 | break; | |
325 | } | |
326 | } | |
327 | if (srd_session_start(srd_sess) != SRD_OK) { | |
328 | g_critical("Failed to start decode session."); | |
329 | break; | |
330 | } | |
331 | } | |
332 | #endif | |
333 | break; | |
334 | ||
335 | case SR_DF_META: | |
336 | g_debug("cli: Received SR_DF_META."); | |
337 | meta = packet->payload; | |
338 | for (l = meta->config; l; l = l->next) { | |
339 | src = l->data; | |
340 | switch (src->key) { | |
341 | case SR_CONF_SAMPLERATE: | |
342 | samplerate = g_variant_get_uint64(src->data); | |
343 | g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate); | |
344 | if (do_props) { | |
345 | props->samplerate = samplerate; | |
346 | break; | |
347 | } | |
348 | #ifdef HAVE_SRD | |
349 | if (opt_pds) { | |
350 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
351 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
352 | g_critical("Failed to pass samplerate to decoder."); | |
353 | } | |
354 | } | |
355 | #endif | |
356 | break; | |
357 | case SR_CONF_SAMPLE_INTERVAL: | |
358 | samplerate = g_variant_get_uint64(src->data); | |
359 | g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate); | |
360 | if (do_props) { | |
361 | props->samplerate = samplerate; | |
362 | break; | |
363 | } | |
364 | break; | |
365 | default: | |
366 | /* Unknown metadata is not an error. */ | |
367 | break; | |
368 | } | |
369 | } | |
370 | break; | |
371 | ||
372 | case SR_DF_TRIGGER: | |
373 | g_debug("cli: Received SR_DF_TRIGGER."); | |
374 | if (do_props) { | |
375 | props->triggered++; | |
376 | break; | |
377 | } | |
378 | triggered = 1; | |
379 | break; | |
380 | ||
381 | case SR_DF_LOGIC: | |
382 | logic = packet->payload; | |
383 | g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).", | |
384 | logic->length, logic->unitsize); | |
385 | if (logic->length == 0) | |
386 | break; | |
387 | ||
388 | if (do_props) { | |
389 | props_get_channels(df_arg, sdi); | |
390 | props->unitsize = logic->unitsize; | |
391 | props->sample_count_logic += logic->length / logic->unitsize; | |
392 | break; | |
393 | } | |
394 | ||
395 | /* Don't store any samples until triggered. */ | |
396 | if (opt_wait_trigger && !triggered) | |
397 | break; | |
398 | ||
399 | if (limit_samples && rcvd_samples_logic >= limit_samples) | |
400 | break; | |
401 | ||
402 | end_sample = rcvd_samples_logic + logic->length / logic->unitsize; | |
403 | /* Cut off last packet according to the sample limit. */ | |
404 | if (limit_samples && end_sample > limit_samples) | |
405 | end_sample = limit_samples; | |
406 | input_len = (end_sample - rcvd_samples_logic) * logic->unitsize; | |
407 | ||
408 | if (opt_pds) { | |
409 | #ifdef HAVE_SRD | |
410 | if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample, | |
411 | logic->data, input_len, logic->unitsize) != SRD_OK) | |
412 | sr_session_stop(session); | |
413 | #endif | |
414 | } | |
415 | ||
416 | rcvd_samples_logic = end_sample; | |
417 | break; | |
418 | ||
419 | case SR_DF_ANALOG: | |
420 | analog = packet->payload; | |
421 | g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples); | |
422 | if (analog->num_samples == 0) | |
423 | break; | |
424 | ||
425 | if (do_props) { | |
426 | /* Only count the first analog channel. */ | |
427 | props_get_channels(df_arg, sdi); | |
428 | if (!props_chk_1st_channel(df_arg, analog)) | |
429 | break; | |
430 | props->sample_count_analog += analog->num_samples; | |
431 | break; | |
432 | } | |
433 | ||
434 | if (limit_samples && rcvd_samples_analog >= limit_samples) | |
435 | break; | |
436 | ||
437 | rcvd_samples_analog += analog->num_samples; | |
438 | break; | |
439 | ||
440 | case SR_DF_FRAME_BEGIN: | |
441 | g_debug("cli: Received SR_DF_FRAME_BEGIN."); | |
442 | break; | |
443 | ||
444 | case SR_DF_FRAME_END: | |
445 | g_debug("cli: Received SR_DF_FRAME_END."); | |
446 | if (do_props) { | |
447 | props->frame_count++; | |
448 | break; | |
449 | } | |
450 | break; | |
451 | ||
452 | default: | |
453 | break; | |
454 | } | |
455 | ||
456 | if (!do_props && o && !opt_pds) { | |
457 | if (sr_output_send(o, packet, &out) == SR_OK) { | |
458 | if (oa && !out) { | |
459 | /* | |
460 | * The user didn't specify an output module, | |
461 | * but needs to see this analog data. | |
462 | */ | |
463 | sr_output_send(oa, packet, &out); | |
464 | } | |
465 | if (outfile && out && out->len > 0) { | |
466 | fwrite(out->str, 1, out->len, outfile); | |
467 | fflush(outfile); | |
468 | } | |
469 | if (out) | |
470 | g_string_free(out, TRUE); | |
471 | } | |
472 | } | |
473 | ||
474 | /* | |
475 | * SR_DF_END needs to be handled after the output module's receive() | |
476 | * is called, so it can properly clean up that module. | |
477 | */ | |
478 | if (packet->type == SR_DF_END) { | |
479 | g_debug("cli: Received SR_DF_END."); | |
480 | ||
481 | if (do_props) { | |
482 | props_dump_details(df_arg); | |
483 | props_cleanup(df_arg); | |
484 | o = NULL; | |
485 | } | |
486 | ||
487 | if (o) | |
488 | sr_output_free(o); | |
489 | o = NULL; | |
490 | ||
491 | if (oa) | |
492 | sr_output_free(oa); | |
493 | oa = NULL; | |
494 | ||
495 | if (outfile && outfile != stdout) | |
496 | fclose(outfile); | |
497 | ||
498 | if (limit_samples) { | |
499 | if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples) | |
500 | g_warning("Device only sent %" PRIu64 " samples.", | |
501 | rcvd_samples_logic); | |
502 | else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples) | |
503 | g_warning("Device only sent %" PRIu64 " samples.", | |
504 | rcvd_samples_analog); | |
505 | } | |
506 | } | |
507 | ||
508 | } | |
509 | ||
510 | int opt_to_gvar(char *key, char *value, struct sr_config *src) | |
511 | { | |
512 | const struct sr_key_info *srci, *srmqi; | |
513 | double tmp_double, dlow, dhigh; | |
514 | uint64_t tmp_u64, p, q, low, high, mqflags; | |
515 | uint32_t mq; | |
516 | GVariant *rational[2], *range[2], *gtup[2]; | |
517 | GVariantBuilder *vbl; | |
518 | gboolean tmp_bool; | |
519 | gchar **keyval; | |
520 | int ret, i; | |
521 | ||
522 | if (!(srci = sr_key_info_name_get(SR_KEY_CONFIG, key))) { | |
523 | g_critical("Unknown device option '%s'.", (char *) key); | |
524 | return -1; | |
525 | } | |
526 | src->key = srci->key; | |
527 | ||
528 | if ((!value || strlen(value) == 0) && | |
529 | (srci->datatype != SR_T_BOOL)) { | |
530 | g_critical("Option '%s' needs a value.", (char *)key); | |
531 | return -1; | |
532 | } | |
533 | ||
534 | ret = 0; | |
535 | switch (srci->datatype) { | |
536 | case SR_T_UINT64: | |
537 | ret = sr_parse_sizestring(value, &tmp_u64); | |
538 | if (ret != 0) | |
539 | break; | |
540 | src->data = g_variant_new_uint64(tmp_u64); | |
541 | break; | |
542 | case SR_T_INT32: | |
543 | ret = sr_parse_sizestring(value, &tmp_u64); | |
544 | if (ret != 0) | |
545 | break; | |
546 | src->data = g_variant_new_int32(tmp_u64); | |
547 | break; | |
548 | case SR_T_STRING: | |
549 | src->data = g_variant_new_string(value); | |
550 | break; | |
551 | case SR_T_BOOL: | |
552 | if (!value) | |
553 | tmp_bool = TRUE; | |
554 | else | |
555 | tmp_bool = sr_parse_boolstring(value); | |
556 | src->data = g_variant_new_boolean(tmp_bool); | |
557 | break; | |
558 | case SR_T_FLOAT: | |
559 | tmp_double = strtof(value, NULL); | |
560 | src->data = g_variant_new_double(tmp_double); | |
561 | break; | |
562 | case SR_T_RATIONAL_PERIOD: | |
563 | if ((ret = sr_parse_period(value, &p, &q)) != SR_OK) | |
564 | break; | |
565 | rational[0] = g_variant_new_uint64(p); | |
566 | rational[1] = g_variant_new_uint64(q); | |
567 | src->data = g_variant_new_tuple(rational, 2); | |
568 | break; | |
569 | case SR_T_RATIONAL_VOLT: | |
570 | if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK) | |
571 | break; | |
572 | rational[0] = g_variant_new_uint64(p); | |
573 | rational[1] = g_variant_new_uint64(q); | |
574 | src->data = g_variant_new_tuple(rational, 2); | |
575 | break; | |
576 | case SR_T_UINT64_RANGE: | |
577 | if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) { | |
578 | ret = -1; | |
579 | break; | |
580 | } else { | |
581 | range[0] = g_variant_new_uint64(low); | |
582 | range[1] = g_variant_new_uint64(high); | |
583 | src->data = g_variant_new_tuple(range, 2); | |
584 | } | |
585 | break; | |
586 | case SR_T_DOUBLE_RANGE: | |
587 | if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) { | |
588 | ret = -1; | |
589 | break; | |
590 | } else { | |
591 | range[0] = g_variant_new_double(dlow); | |
592 | range[1] = g_variant_new_double(dhigh); | |
593 | src->data = g_variant_new_tuple(range, 2); | |
594 | } | |
595 | break; | |
596 | case SR_T_KEYVALUE: | |
597 | /* Expects the argument to be in the form of key=value. */ | |
598 | keyval = g_strsplit(value, "=", 2); | |
599 | if (!keyval[0] || !keyval[1]) { | |
600 | g_strfreev(keyval); | |
601 | ret = -1; | |
602 | break; | |
603 | } else { | |
604 | vbl = g_variant_builder_new(G_VARIANT_TYPE_DICTIONARY); | |
605 | g_variant_builder_add(vbl, "{ss}", | |
606 | keyval[0], keyval[1]); | |
607 | src->data = g_variant_builder_end(vbl); | |
608 | g_strfreev(keyval); | |
609 | } | |
610 | break; | |
611 | case SR_T_MQ: | |
612 | /* | |
613 | Argument is MQ id e.g. ("voltage") optionally followed by one | |
614 | or more /<mqflag> e.g. "/ac". | |
615 | */ | |
616 | keyval = g_strsplit(value, "/", 0); | |
617 | if (!keyval[0] || !(srmqi = sr_key_info_name_get(SR_KEY_MQ, keyval[0]))) { | |
618 | g_strfreev(keyval); | |
619 | ret = -1; | |
620 | break; | |
621 | } | |
622 | mq = srmqi->key; | |
623 | mqflags = 0; | |
624 | for (i = 1; keyval[i]; i++) { | |
625 | if (!(srmqi = sr_key_info_name_get(SR_KEY_MQFLAGS, keyval[i]))) { | |
626 | ret = -1; | |
627 | break; | |
628 | } | |
629 | mqflags |= srmqi->key; | |
630 | } | |
631 | g_strfreev(keyval); | |
632 | if (ret != -1) { | |
633 | gtup[0] = g_variant_new_uint32(mq); | |
634 | gtup[1] = g_variant_new_uint64(mqflags); | |
635 | src->data = g_variant_new_tuple(gtup, 2); | |
636 | } | |
637 | break; | |
638 | default: | |
639 | g_critical("Unknown data type specified for option '%s' " | |
640 | "(driver implementation bug?).", key); | |
641 | ret = -1; | |
642 | } | |
643 | ||
644 | if (ret < 0) | |
645 | g_critical("Invalid value: '%s' for option '%s'", value, key); | |
646 | ||
647 | return ret; | |
648 | } | |
649 | ||
650 | int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args) | |
651 | { | |
652 | struct sr_config src; | |
653 | struct sr_channel_group *cg; | |
654 | GHashTableIter iter; | |
655 | gpointer key, value; | |
656 | int ret; | |
657 | ||
658 | g_hash_table_iter_init(&iter, args); | |
659 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
660 | if ((ret = opt_to_gvar(key, value, &src)) != 0) | |
661 | return ret; | |
662 | cg = select_channel_group(sdi); | |
663 | if ((ret = maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, cg, | |
664 | src.key, src.data)) != SR_OK) { | |
665 | g_critical("Failed to set device option '%s': %s.", | |
666 | (char *)key, sr_strerror(ret)); | |
667 | return ret; | |
668 | } | |
669 | } | |
670 | ||
671 | return SR_OK; | |
672 | } | |
673 | ||
674 | void run_session(void) | |
675 | { | |
676 | struct df_arg_desc df_arg; | |
677 | GSList *devices, *real_devices, *sd; | |
678 | GHashTable *devargs; | |
679 | GVariant *gvar; | |
680 | struct sr_session *session; | |
681 | struct sr_trigger *trigger; | |
682 | struct sr_dev_inst *sdi; | |
683 | uint64_t min_samples, max_samples; | |
684 | GArray *drv_opts; | |
685 | guint i; | |
686 | int is_demo_dev; | |
687 | struct sr_dev_driver *driver; | |
688 | const struct sr_transform *t; | |
689 | GMainLoop *main_loop; | |
690 | ||
691 | memset(&df_arg, 0, sizeof(df_arg)); | |
692 | df_arg.do_props = FALSE; | |
693 | ||
694 | devices = device_scan(); | |
695 | if (!devices) { | |
696 | g_critical("No devices found."); | |
697 | return; | |
698 | } | |
699 | ||
700 | real_devices = NULL; | |
701 | for (sd = devices; sd; sd = sd->next) { | |
702 | sdi = sd->data; | |
703 | ||
704 | driver = sr_dev_inst_driver_get(sdi); | |
705 | ||
706 | if (!(drv_opts = sr_dev_options(driver, NULL, NULL))) { | |
707 | g_critical("Failed to query list of driver options."); | |
708 | return; | |
709 | } | |
710 | ||
711 | is_demo_dev = 0; | |
712 | for (i = 0; i < drv_opts->len; i++) { | |
713 | if (g_array_index(drv_opts, uint32_t, i) == SR_CONF_DEMO_DEV) | |
714 | is_demo_dev = 1; | |
715 | } | |
716 | ||
717 | g_array_free(drv_opts, TRUE); | |
718 | ||
719 | if (!is_demo_dev) | |
720 | real_devices = g_slist_append(real_devices, sdi); | |
721 | } | |
722 | ||
723 | if (g_slist_length(devices) > 1) { | |
724 | if (g_slist_length(real_devices) != 1) { | |
725 | g_critical("sigrok-cli only supports one device for capturing."); | |
726 | return; | |
727 | } else { | |
728 | /* We only have one non-demo device. */ | |
729 | g_slist_free(devices); | |
730 | devices = real_devices; | |
731 | real_devices = NULL; | |
732 | } | |
733 | } | |
734 | ||
735 | /* This is unlikely to happen but it makes static analyzers stop complaining. */ | |
736 | if (!devices) { | |
737 | g_critical("No real devices found."); | |
738 | return; | |
739 | } | |
740 | ||
741 | sdi = devices->data; | |
742 | g_slist_free(devices); | |
743 | g_slist_free(real_devices); | |
744 | ||
745 | sr_session_new(sr_ctx, &session); | |
746 | df_arg.session = session; | |
747 | sr_session_datafeed_callback_add(session, datafeed_in, &df_arg); | |
748 | df_arg.session = NULL; | |
749 | ||
750 | if (sr_dev_open(sdi) != SR_OK) { | |
751 | g_critical("Failed to open device."); | |
752 | return; | |
753 | } | |
754 | ||
755 | if (sr_session_dev_add(session, sdi) != SR_OK) { | |
756 | g_critical("Failed to add device to session."); | |
757 | sr_session_destroy(session); | |
758 | return; | |
759 | } | |
760 | ||
761 | if (opt_config) { | |
762 | if ((devargs = parse_generic_arg(opt_config, FALSE))) { | |
763 | if (set_dev_options(sdi, devargs) != SR_OK) | |
764 | return; | |
765 | g_hash_table_destroy(devargs); | |
766 | } | |
767 | } | |
768 | ||
769 | if (select_channels(sdi) != SR_OK) { | |
770 | g_critical("Failed to set channels."); | |
771 | sr_session_destroy(session); | |
772 | return; | |
773 | } | |
774 | ||
775 | trigger = NULL; | |
776 | if (opt_triggers) { | |
777 | if (!parse_triggerstring(sdi, opt_triggers, &trigger)) { | |
778 | sr_session_destroy(session); | |
779 | return; | |
780 | } | |
781 | if (sr_session_trigger_set(session, trigger) != SR_OK) { | |
782 | sr_session_destroy(session); | |
783 | return; | |
784 | } | |
785 | } | |
786 | ||
787 | if (opt_continuous) { | |
788 | if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) { | |
789 | g_critical("This device does not support continuous sampling."); | |
790 | sr_session_destroy(session); | |
791 | return; | |
792 | } | |
793 | } | |
794 | ||
795 | if (opt_time) { | |
796 | if (set_limit_time(sdi) != SR_OK) { | |
797 | sr_session_destroy(session); | |
798 | return; | |
799 | } | |
800 | } | |
801 | ||
802 | if (opt_samples) { | |
803 | if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) { | |
804 | g_critical("Invalid sample limit '%s'.", opt_samples); | |
805 | sr_session_destroy(session); | |
806 | return; | |
807 | } | |
808 | if (maybe_config_list(driver, sdi, NULL, SR_CONF_LIMIT_SAMPLES, | |
809 | &gvar) == SR_OK) { | |
810 | /* | |
811 | * The device has no compression, or compression is turned | |
812 | * off, and publishes its sample memory size. | |
813 | */ | |
814 | g_variant_get(gvar, "(tt)", &min_samples, &max_samples); | |
815 | g_variant_unref(gvar); | |
816 | if (limit_samples < min_samples) { | |
817 | g_critical("The device stores at least %"PRIu64 | |
818 | " samples with the current settings.", min_samples); | |
819 | } | |
820 | if (limit_samples > max_samples) { | |
821 | g_critical("The device can store only %"PRIu64 | |
822 | " samples with the current settings.", max_samples); | |
823 | } | |
824 | } | |
825 | gvar = g_variant_new_uint64(limit_samples); | |
826 | if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) { | |
827 | g_critical("Failed to configure sample limit."); | |
828 | sr_session_destroy(session); | |
829 | return; | |
830 | } | |
831 | } | |
832 | ||
833 | if (opt_frames) { | |
834 | if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) { | |
835 | g_critical("Invalid frame limit '%s'.", opt_frames); | |
836 | sr_session_destroy(session); | |
837 | return; | |
838 | } | |
839 | gvar = g_variant_new_uint64(limit_frames); | |
840 | if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) { | |
841 | g_critical("Failed to configure frame limit."); | |
842 | sr_session_destroy(session); | |
843 | return; | |
844 | } | |
845 | } | |
846 | ||
847 | if (opt_transform_module) { | |
848 | if (!(t = setup_transform_module(sdi))) | |
849 | g_critical("Failed to initialize transform module."); | |
850 | } | |
851 | ||
852 | main_loop = g_main_loop_new(NULL, FALSE); | |
853 | ||
854 | sr_session_stopped_callback_set(session, | |
855 | (sr_session_stopped_callback)g_main_loop_quit, main_loop); | |
856 | ||
857 | if (sr_session_start(session) != SR_OK) { | |
858 | g_critical("Failed to start session."); | |
859 | g_main_loop_unref(main_loop); | |
860 | sr_session_destroy(session); | |
861 | return; | |
862 | } | |
863 | ||
864 | if (opt_continuous) | |
865 | add_anykey(session); | |
866 | ||
867 | g_main_loop_run(main_loop); | |
868 | ||
869 | if (opt_continuous) | |
870 | clear_anykey(); | |
871 | ||
872 | if (trigger) | |
873 | sr_trigger_free(trigger); | |
874 | ||
875 | sr_session_datafeed_callback_remove_all(session); | |
876 | g_main_loop_unref(main_loop); | |
877 | sr_session_destroy(session); | |
878 | } |