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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, NULL); | |
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 | (void)warn_unknown_keys(options, fmtargs, NULL); | |
105 | sr_output_options_free(options); | |
106 | } else { | |
107 | fmtopts = NULL; | |
108 | } | |
109 | o = sr_output_new(omod, fmtopts, sdi, opt_output_file); | |
110 | ||
111 | if (opt_output_file) { | |
112 | if (!sr_output_test_flag(omod, SR_OUTPUT_INTERNAL_IO_HANDLING)) { | |
113 | *outfile = g_fopen(opt_output_file, "wb"); | |
114 | if (!*outfile) { | |
115 | g_critical("Cannot write to output file '%s'.", | |
116 | opt_output_file); | |
117 | } | |
118 | } else { | |
119 | *outfile = NULL; | |
120 | } | |
121 | } else { | |
122 | setup_binary_stdout(); | |
123 | *outfile = stdout; | |
124 | } | |
125 | ||
126 | if (fmtopts) | |
127 | g_hash_table_destroy(fmtopts); | |
128 | g_hash_table_destroy(fmtargs); | |
129 | ||
130 | return o; | |
131 | } | |
132 | ||
133 | const struct sr_transform *setup_transform_module(const struct sr_dev_inst *sdi) | |
134 | { | |
135 | const struct sr_transform_module *tmod; | |
136 | const struct sr_option **options; | |
137 | const struct sr_transform *t; | |
138 | GHashTable *fmtargs, *fmtopts; | |
139 | char *fmtspec; | |
140 | ||
141 | fmtargs = parse_generic_arg(opt_transform_module, TRUE, NULL); | |
142 | fmtspec = g_hash_table_lookup(fmtargs, "sigrok_key"); | |
143 | if (!fmtspec) | |
144 | g_critical("Invalid transform module."); | |
145 | if (!(tmod = sr_transform_find(fmtspec))) | |
146 | g_critical("Unknown transform module '%s'.", fmtspec); | |
147 | g_hash_table_remove(fmtargs, "sigrok_key"); | |
148 | if ((options = sr_transform_options_get(tmod))) { | |
149 | fmtopts = generic_arg_to_opt(options, fmtargs); | |
150 | (void)warn_unknown_keys(options, fmtargs, NULL); | |
151 | sr_transform_options_free(options); | |
152 | } else { | |
153 | fmtopts = NULL; | |
154 | } | |
155 | t = sr_transform_new(tmod, fmtopts, sdi); | |
156 | if (fmtopts) | |
157 | g_hash_table_destroy(fmtopts); | |
158 | g_hash_table_destroy(fmtargs); | |
159 | ||
160 | return t; | |
161 | } | |
162 | ||
163 | /* Get the input stream's list of channels and their types, once. */ | |
164 | static void props_get_channels(struct df_arg_desc *args, | |
165 | const struct sr_dev_inst *sdi) | |
166 | { | |
167 | struct input_stream_props *props; | |
168 | GSList *l; | |
169 | const struct sr_channel *ch; | |
170 | ||
171 | if (!args) | |
172 | return; | |
173 | props = &args->props; | |
174 | if (props->channels) | |
175 | return; | |
176 | ||
177 | props->channels = g_slist_copy(sr_dev_inst_channels_get(sdi)); | |
178 | if (!props->channels) | |
179 | return; | |
180 | for (l = props->channels; l; l = l->next) { | |
181 | ch = l->data; | |
182 | if (!ch->enabled) | |
183 | continue; | |
184 | if (ch->type != SR_CHANNEL_ANALOG) | |
185 | continue; | |
186 | props->first_analog_channel = ch; | |
187 | break; | |
188 | } | |
189 | } | |
190 | ||
191 | static gboolean props_chk_1st_channel(struct df_arg_desc *args, | |
192 | const struct sr_datafeed_analog *analog) | |
193 | { | |
194 | struct sr_channel *ch; | |
195 | ||
196 | if (!args || !analog || !analog->meaning) | |
197 | return FALSE; | |
198 | ch = g_slist_nth_data(analog->meaning->channels, 0); | |
199 | if (!ch) | |
200 | return FALSE; | |
201 | return ch == args->props.first_analog_channel; | |
202 | } | |
203 | ||
204 | static void props_dump_details(struct df_arg_desc *args) | |
205 | { | |
206 | struct input_stream_props *props; | |
207 | size_t ch_count; | |
208 | GSList *l; | |
209 | const struct sr_channel *ch; | |
210 | const char *type; | |
211 | ||
212 | if (!args) | |
213 | return; | |
214 | props = &args->props; | |
215 | if (props->samplerate) | |
216 | printf("Samplerate: %" PRIu64 "\n", props->samplerate); | |
217 | if (props->channels) { | |
218 | ch_count = g_slist_length(props->channels); | |
219 | printf("Channels: %zu\n", ch_count); | |
220 | for (l = props->channels; l; l = l->next) { | |
221 | ch = l->data; | |
222 | if (ch->type == SR_CHANNEL_ANALOG) | |
223 | type = "analog"; | |
224 | else | |
225 | type = "logic"; | |
226 | printf("- %s: %s\n", ch->name, type); | |
227 | } | |
228 | } | |
229 | if (props->unitsize) | |
230 | printf("Logic unitsize: %zu\n", props->unitsize); | |
231 | if (props->sample_count_logic) | |
232 | printf("Logic sample count: %" PRIu64 "\n", props->sample_count_logic); | |
233 | if (props->sample_count_analog) | |
234 | printf("Analog sample count: %" PRIu64 "\n", props->sample_count_analog); | |
235 | if (props->frame_count) | |
236 | printf("Frame count: %" PRIu64 "\n", props->frame_count); | |
237 | if (props->triggered) | |
238 | printf("Trigger count: %" PRIu64 "\n", props->triggered); | |
239 | } | |
240 | ||
241 | static void props_cleanup(struct df_arg_desc *args) | |
242 | { | |
243 | struct input_stream_props *props; | |
244 | ||
245 | if (!args) | |
246 | return; | |
247 | props = &args->props; | |
248 | g_slist_free(props->channels); | |
249 | props->channels = NULL; | |
250 | props->first_analog_channel = NULL; | |
251 | } | |
252 | ||
253 | void datafeed_in(const struct sr_dev_inst *sdi, | |
254 | const struct sr_datafeed_packet *packet, void *cb_data) | |
255 | { | |
256 | static const struct sr_output *o = NULL; | |
257 | static const struct sr_output *oa = NULL; | |
258 | static uint64_t rcvd_samples_logic = 0; | |
259 | static uint64_t rcvd_samples_analog = 0; | |
260 | static uint64_t samplerate = 0; | |
261 | static int triggered = 0; | |
262 | static FILE *outfile = NULL; | |
263 | ||
264 | const struct sr_datafeed_meta *meta; | |
265 | const struct sr_datafeed_logic *logic; | |
266 | const struct sr_datafeed_analog *analog; | |
267 | struct df_arg_desc *df_arg; | |
268 | int do_props; | |
269 | struct input_stream_props *props; | |
270 | struct sr_session *session; | |
271 | struct sr_config *src; | |
272 | GSList *l; | |
273 | GString *out; | |
274 | GVariant *gvar; | |
275 | uint64_t end_sample; | |
276 | uint64_t input_len; | |
277 | struct sr_dev_driver *driver; | |
278 | ||
279 | /* Avoid warnings when building without decoder support. */ | |
280 | (void)session; | |
281 | (void)input_len; | |
282 | ||
283 | driver = sr_dev_inst_driver_get(sdi); | |
284 | ||
285 | /* Skip all packets before the first header. */ | |
286 | if (packet->type != SR_DF_HEADER && !o) | |
287 | return; | |
288 | ||
289 | /* Prepare to either process data, or "just" gather properties. */ | |
290 | df_arg = cb_data; | |
291 | session = df_arg->session; | |
292 | do_props = df_arg->do_props; | |
293 | props = &df_arg->props; | |
294 | ||
295 | switch (packet->type) { | |
296 | case SR_DF_HEADER: | |
297 | g_debug("cli: Received SR_DF_HEADER."); | |
298 | if (maybe_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE, | |
299 | &gvar) == SR_OK) { | |
300 | samplerate = g_variant_get_uint64(gvar); | |
301 | g_variant_unref(gvar); | |
302 | } | |
303 | if (do_props) { | |
304 | /* Setup variables for maximum code path re-use. */ | |
305 | o = (void *)-1; | |
306 | limit_samples = 0; | |
307 | /* Start collecting input stream properties. */ | |
308 | memset(props, 0, sizeof(*props)); | |
309 | props->samplerate = samplerate; | |
310 | props_get_channels(df_arg, sdi); | |
311 | break; | |
312 | } | |
313 | if (!(o = setup_output_format(sdi, &outfile))) | |
314 | g_critical("Failed to initialize output module."); | |
315 | ||
316 | /* Set up backup analog output module. */ | |
317 | if (outfile) | |
318 | oa = sr_output_new(sr_output_find("analog"), NULL, | |
319 | sdi, NULL); | |
320 | ||
321 | rcvd_samples_logic = rcvd_samples_analog = 0; | |
322 | ||
323 | #ifdef HAVE_SRD | |
324 | if (opt_pds) { | |
325 | if (samplerate) { | |
326 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
327 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
328 | g_critical("Failed to configure decode session."); | |
329 | break; | |
330 | } | |
331 | pd_samplerate = samplerate; | |
332 | } | |
333 | if (srd_session_start(srd_sess) != SRD_OK) { | |
334 | g_critical("Failed to start decode session."); | |
335 | break; | |
336 | } | |
337 | } | |
338 | #endif | |
339 | break; | |
340 | ||
341 | case SR_DF_META: | |
342 | g_debug("cli: Received SR_DF_META."); | |
343 | meta = packet->payload; | |
344 | for (l = meta->config; l; l = l->next) { | |
345 | src = l->data; | |
346 | switch (src->key) { | |
347 | case SR_CONF_SAMPLERATE: | |
348 | samplerate = g_variant_get_uint64(src->data); | |
349 | g_debug("cli: Got samplerate %"PRIu64" Hz.", samplerate); | |
350 | if (do_props) { | |
351 | props->samplerate = samplerate; | |
352 | break; | |
353 | } | |
354 | #ifdef HAVE_SRD | |
355 | if (opt_pds) { | |
356 | if (srd_session_metadata_set(srd_sess, SRD_CONF_SAMPLERATE, | |
357 | g_variant_new_uint64(samplerate)) != SRD_OK) { | |
358 | g_critical("Failed to pass samplerate to decoder."); | |
359 | } | |
360 | pd_samplerate = samplerate; | |
361 | } | |
362 | #endif | |
363 | break; | |
364 | case SR_CONF_SAMPLE_INTERVAL: | |
365 | samplerate = g_variant_get_uint64(src->data); | |
366 | g_debug("cli: Got sample interval %"PRIu64" ms.", samplerate); | |
367 | if (do_props) { | |
368 | props->samplerate = samplerate; | |
369 | break; | |
370 | } | |
371 | break; | |
372 | default: | |
373 | /* Unknown metadata is not an error. */ | |
374 | break; | |
375 | } | |
376 | } | |
377 | break; | |
378 | ||
379 | case SR_DF_TRIGGER: | |
380 | g_debug("cli: Received SR_DF_TRIGGER."); | |
381 | if (do_props) { | |
382 | props->triggered++; | |
383 | break; | |
384 | } | |
385 | triggered = 1; | |
386 | break; | |
387 | ||
388 | case SR_DF_LOGIC: | |
389 | logic = packet->payload; | |
390 | g_message("cli: Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).", | |
391 | logic->length, logic->unitsize); | |
392 | if (logic->length == 0) | |
393 | break; | |
394 | ||
395 | if (do_props) { | |
396 | props_get_channels(df_arg, sdi); | |
397 | props->unitsize = logic->unitsize; | |
398 | props->sample_count_logic += logic->length / logic->unitsize; | |
399 | break; | |
400 | } | |
401 | ||
402 | /* Don't store any samples until triggered. */ | |
403 | if (opt_wait_trigger && !triggered) | |
404 | break; | |
405 | ||
406 | if (limit_samples && rcvd_samples_logic >= limit_samples) | |
407 | break; | |
408 | ||
409 | end_sample = rcvd_samples_logic + logic->length / logic->unitsize; | |
410 | /* Cut off last packet according to the sample limit. */ | |
411 | if (limit_samples && end_sample > limit_samples) | |
412 | end_sample = limit_samples; | |
413 | input_len = (end_sample - rcvd_samples_logic) * logic->unitsize; | |
414 | ||
415 | if (opt_pds) { | |
416 | #ifdef HAVE_SRD | |
417 | if (srd_session_send(srd_sess, rcvd_samples_logic, end_sample, | |
418 | logic->data, input_len, logic->unitsize) != SRD_OK) | |
419 | sr_session_stop(session); | |
420 | #endif | |
421 | } | |
422 | ||
423 | rcvd_samples_logic = end_sample; | |
424 | break; | |
425 | ||
426 | case SR_DF_ANALOG: | |
427 | analog = packet->payload; | |
428 | g_message("cli: Received SR_DF_ANALOG (%d samples).", analog->num_samples); | |
429 | if (analog->num_samples == 0) | |
430 | break; | |
431 | ||
432 | if (do_props) { | |
433 | /* Only count the first analog channel. */ | |
434 | props_get_channels(df_arg, sdi); | |
435 | if (!props_chk_1st_channel(df_arg, analog)) | |
436 | break; | |
437 | props->sample_count_analog += analog->num_samples; | |
438 | break; | |
439 | } | |
440 | ||
441 | if (limit_samples && rcvd_samples_analog >= limit_samples) | |
442 | break; | |
443 | ||
444 | rcvd_samples_analog += analog->num_samples; | |
445 | break; | |
446 | ||
447 | case SR_DF_FRAME_BEGIN: | |
448 | g_debug("cli: Received SR_DF_FRAME_BEGIN."); | |
449 | break; | |
450 | ||
451 | case SR_DF_FRAME_END: | |
452 | g_debug("cli: Received SR_DF_FRAME_END."); | |
453 | if (do_props) { | |
454 | props->frame_count++; | |
455 | break; | |
456 | } | |
457 | break; | |
458 | ||
459 | default: | |
460 | break; | |
461 | } | |
462 | ||
463 | if (!do_props && o && !opt_pds) { | |
464 | if (sr_output_send(o, packet, &out) == SR_OK) { | |
465 | if (oa && !out) { | |
466 | /* | |
467 | * The user didn't specify an output module, | |
468 | * but needs to see this analog data. | |
469 | */ | |
470 | sr_output_send(oa, packet, &out); | |
471 | } | |
472 | if (outfile && out && out->len > 0) { | |
473 | fwrite(out->str, 1, out->len, outfile); | |
474 | fflush(outfile); | |
475 | } | |
476 | if (out) | |
477 | g_string_free(out, TRUE); | |
478 | } | |
479 | } | |
480 | ||
481 | /* | |
482 | * SR_DF_END needs to be handled after the output module's receive() | |
483 | * is called, so it can properly clean up that module. | |
484 | */ | |
485 | if (packet->type == SR_DF_END) { | |
486 | g_debug("cli: Received SR_DF_END."); | |
487 | ||
488 | #if defined HAVE_SRD_SESSION_SEND_EOF && HAVE_SRD_SESSION_SEND_EOF | |
489 | (void)srd_session_send_eof(srd_sess); | |
490 | #endif | |
491 | ||
492 | if (do_props) { | |
493 | props_dump_details(df_arg); | |
494 | props_cleanup(df_arg); | |
495 | o = NULL; | |
496 | } | |
497 | ||
498 | if (o) | |
499 | sr_output_free(o); | |
500 | o = NULL; | |
501 | ||
502 | if (oa) | |
503 | sr_output_free(oa); | |
504 | oa = NULL; | |
505 | ||
506 | if (outfile && outfile != stdout) | |
507 | fclose(outfile); | |
508 | ||
509 | if (limit_samples) { | |
510 | if (rcvd_samples_logic > 0 && rcvd_samples_logic < limit_samples) | |
511 | g_warning("Device only sent %" PRIu64 " samples.", | |
512 | rcvd_samples_logic); | |
513 | else if (rcvd_samples_analog > 0 && rcvd_samples_analog < limit_samples) | |
514 | g_warning("Device only sent %" PRIu64 " samples.", | |
515 | rcvd_samples_analog); | |
516 | } | |
517 | } | |
518 | ||
519 | } | |
520 | ||
521 | int opt_to_gvar(char *key, char *value, struct sr_config *src) | |
522 | { | |
523 | const struct sr_key_info *srci, *srmqi; | |
524 | double tmp_double, dlow, dhigh; | |
525 | uint64_t tmp_u64, p, q, low, high, mqflags; | |
526 | uint32_t mq; | |
527 | GVariant *rational[2], *range[2], *gtup[2]; | |
528 | GVariantBuilder *vbl; | |
529 | gboolean tmp_bool; | |
530 | gchar **keyval; | |
531 | int ret, i; | |
532 | ||
533 | if (!(srci = sr_key_info_name_get(SR_KEY_CONFIG, key))) { | |
534 | g_critical("Unknown device option '%s'.", (char *) key); | |
535 | return -1; | |
536 | } | |
537 | src->key = srci->key; | |
538 | ||
539 | if ((!value || strlen(value) == 0) && | |
540 | (srci->datatype != SR_T_BOOL)) { | |
541 | g_critical("Option '%s' needs a value.", (char *)key); | |
542 | return -1; | |
543 | } | |
544 | ||
545 | ret = 0; | |
546 | switch (srci->datatype) { | |
547 | case SR_T_UINT64: | |
548 | ret = sr_parse_sizestring(value, &tmp_u64); | |
549 | if (ret != 0) | |
550 | break; | |
551 | src->data = g_variant_new_uint64(tmp_u64); | |
552 | break; | |
553 | case SR_T_INT32: | |
554 | ret = sr_parse_sizestring(value, &tmp_u64); | |
555 | if (ret != 0) | |
556 | break; | |
557 | src->data = g_variant_new_int32(tmp_u64); | |
558 | break; | |
559 | case SR_T_STRING: | |
560 | src->data = g_variant_new_string(value); | |
561 | break; | |
562 | case SR_T_BOOL: | |
563 | if (!value) | |
564 | tmp_bool = TRUE; | |
565 | else | |
566 | tmp_bool = sr_parse_boolstring(value); | |
567 | src->data = g_variant_new_boolean(tmp_bool); | |
568 | break; | |
569 | case SR_T_FLOAT: | |
570 | tmp_double = strtof(value, NULL); | |
571 | src->data = g_variant_new_double(tmp_double); | |
572 | break; | |
573 | case SR_T_RATIONAL_PERIOD: | |
574 | if ((ret = sr_parse_period(value, &p, &q)) != SR_OK) | |
575 | break; | |
576 | rational[0] = g_variant_new_uint64(p); | |
577 | rational[1] = g_variant_new_uint64(q); | |
578 | src->data = g_variant_new_tuple(rational, 2); | |
579 | break; | |
580 | case SR_T_RATIONAL_VOLT: | |
581 | if ((ret = sr_parse_voltage(value, &p, &q)) != SR_OK) | |
582 | break; | |
583 | rational[0] = g_variant_new_uint64(p); | |
584 | rational[1] = g_variant_new_uint64(q); | |
585 | src->data = g_variant_new_tuple(rational, 2); | |
586 | break; | |
587 | case SR_T_UINT64_RANGE: | |
588 | if (sscanf(value, "%"PRIu64"-%"PRIu64, &low, &high) != 2) { | |
589 | ret = -1; | |
590 | break; | |
591 | } else { | |
592 | range[0] = g_variant_new_uint64(low); | |
593 | range[1] = g_variant_new_uint64(high); | |
594 | src->data = g_variant_new_tuple(range, 2); | |
595 | } | |
596 | break; | |
597 | case SR_T_DOUBLE_RANGE: | |
598 | if (sscanf(value, "%lf-%lf", &dlow, &dhigh) != 2) { | |
599 | ret = -1; | |
600 | break; | |
601 | } else { | |
602 | range[0] = g_variant_new_double(dlow); | |
603 | range[1] = g_variant_new_double(dhigh); | |
604 | src->data = g_variant_new_tuple(range, 2); | |
605 | } | |
606 | break; | |
607 | case SR_T_KEYVALUE: | |
608 | /* Expects the argument to be in the form of key=value. */ | |
609 | keyval = g_strsplit(value, "=", 2); | |
610 | if (!keyval[0] || !keyval[1]) { | |
611 | g_strfreev(keyval); | |
612 | ret = -1; | |
613 | break; | |
614 | } else { | |
615 | vbl = g_variant_builder_new(G_VARIANT_TYPE_DICTIONARY); | |
616 | g_variant_builder_add(vbl, "{ss}", | |
617 | keyval[0], keyval[1]); | |
618 | src->data = g_variant_builder_end(vbl); | |
619 | g_strfreev(keyval); | |
620 | } | |
621 | break; | |
622 | case SR_T_MQ: | |
623 | /* | |
624 | Argument is MQ id e.g. ("voltage") optionally followed by one | |
625 | or more /<mqflag> e.g. "/ac". | |
626 | */ | |
627 | keyval = g_strsplit(value, "/", 0); | |
628 | if (!keyval[0] || !(srmqi = sr_key_info_name_get(SR_KEY_MQ, keyval[0]))) { | |
629 | g_strfreev(keyval); | |
630 | ret = -1; | |
631 | break; | |
632 | } | |
633 | mq = srmqi->key; | |
634 | mqflags = 0; | |
635 | for (i = 1; keyval[i]; i++) { | |
636 | if (!(srmqi = sr_key_info_name_get(SR_KEY_MQFLAGS, keyval[i]))) { | |
637 | ret = -1; | |
638 | break; | |
639 | } | |
640 | mqflags |= srmqi->key; | |
641 | } | |
642 | g_strfreev(keyval); | |
643 | if (ret != -1) { | |
644 | gtup[0] = g_variant_new_uint32(mq); | |
645 | gtup[1] = g_variant_new_uint64(mqflags); | |
646 | src->data = g_variant_new_tuple(gtup, 2); | |
647 | } | |
648 | break; | |
649 | default: | |
650 | g_critical("Unknown data type specified for option '%s' " | |
651 | "(driver implementation bug?).", key); | |
652 | ret = -1; | |
653 | } | |
654 | ||
655 | if (ret < 0) | |
656 | g_critical("Invalid value: '%s' for option '%s'", value, key); | |
657 | ||
658 | return ret; | |
659 | } | |
660 | ||
661 | int set_dev_options_array(struct sr_dev_inst *sdi, char **opts) | |
662 | { | |
663 | size_t opt_idx; | |
664 | const char *opt_text; | |
665 | GHashTable *args; | |
666 | int ret; | |
667 | ||
668 | for (opt_idx = 0; opts && opts[opt_idx]; opt_idx++) { | |
669 | opt_text = opts[opt_idx]; | |
670 | args = parse_generic_arg(opt_text, FALSE, "channel_group"); | |
671 | if (!args) | |
672 | continue; | |
673 | ret = set_dev_options(sdi, args); | |
674 | g_hash_table_destroy(args); | |
675 | if (ret != SR_OK) | |
676 | return ret; | |
677 | } | |
678 | ||
679 | return SR_OK; | |
680 | } | |
681 | ||
682 | int set_dev_options(struct sr_dev_inst *sdi, GHashTable *args) | |
683 | { | |
684 | struct sr_config src; | |
685 | const char *cg_name; | |
686 | struct sr_channel_group *cg; | |
687 | GHashTableIter iter; | |
688 | gpointer key, value; | |
689 | int ret; | |
690 | ||
691 | /* | |
692 | * Not finding the 'sigrok_key' key (optional user specified | |
693 | * channel group name) in the current options group's hash table | |
694 | * is perfectly fine. In that case the -g selection is used, | |
695 | * which defaults to "the device" (global parameters). | |
696 | */ | |
697 | cg_name = g_hash_table_lookup(args, "sigrok_key"); | |
698 | cg = lookup_channel_group(sdi, cg_name); | |
699 | ||
700 | g_hash_table_iter_init(&iter, args); | |
701 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
702 | if (g_ascii_strcasecmp(key, "sigrok_key") == 0) | |
703 | continue; | |
704 | if ((ret = opt_to_gvar(key, value, &src)) != 0) | |
705 | return ret; | |
706 | if ((ret = maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, cg, | |
707 | src.key, src.data)) != SR_OK) { | |
708 | g_critical("Failed to set device option '%s': %s.", | |
709 | (char *)key, sr_strerror(ret)); | |
710 | return ret; | |
711 | } | |
712 | } | |
713 | ||
714 | return SR_OK; | |
715 | } | |
716 | ||
717 | void run_session(void) | |
718 | { | |
719 | struct df_arg_desc df_arg; | |
720 | GSList *devices, *real_devices, *sd; | |
721 | GVariant *gvar; | |
722 | struct sr_session *session; | |
723 | struct sr_trigger *trigger; | |
724 | struct sr_dev_inst *sdi; | |
725 | uint64_t min_samples, max_samples; | |
726 | GArray *drv_opts; | |
727 | guint i; | |
728 | int is_demo_dev; | |
729 | struct sr_dev_driver *driver; | |
730 | const struct sr_transform *t; | |
731 | GMainLoop *main_loop; | |
732 | ||
733 | memset(&df_arg, 0, sizeof(df_arg)); | |
734 | df_arg.do_props = FALSE; | |
735 | ||
736 | devices = device_scan(); | |
737 | if (!devices) { | |
738 | g_critical("No devices found."); | |
739 | return; | |
740 | } | |
741 | ||
742 | real_devices = NULL; | |
743 | for (sd = devices; sd; sd = sd->next) { | |
744 | sdi = sd->data; | |
745 | ||
746 | driver = sr_dev_inst_driver_get(sdi); | |
747 | ||
748 | if (!(drv_opts = sr_dev_options(driver, NULL, NULL))) { | |
749 | g_critical("Failed to query list of driver options."); | |
750 | return; | |
751 | } | |
752 | ||
753 | is_demo_dev = 0; | |
754 | for (i = 0; i < drv_opts->len; i++) { | |
755 | if (g_array_index(drv_opts, uint32_t, i) == SR_CONF_DEMO_DEV) | |
756 | is_demo_dev = 1; | |
757 | } | |
758 | ||
759 | g_array_free(drv_opts, TRUE); | |
760 | ||
761 | if (!is_demo_dev) | |
762 | real_devices = g_slist_append(real_devices, sdi); | |
763 | } | |
764 | ||
765 | if (g_slist_length(devices) > 1) { | |
766 | if (g_slist_length(real_devices) != 1) { | |
767 | g_critical("sigrok-cli only supports one device for capturing."); | |
768 | return; | |
769 | } else { | |
770 | /* We only have one non-demo device. */ | |
771 | g_slist_free(devices); | |
772 | devices = real_devices; | |
773 | real_devices = NULL; | |
774 | } | |
775 | } | |
776 | ||
777 | /* This is unlikely to happen but it makes static analyzers stop complaining. */ | |
778 | if (!devices) { | |
779 | g_critical("No real devices found."); | |
780 | return; | |
781 | } | |
782 | ||
783 | sdi = devices->data; | |
784 | g_slist_free(devices); | |
785 | g_slist_free(real_devices); | |
786 | ||
787 | sr_session_new(sr_ctx, &session); | |
788 | df_arg.session = session; | |
789 | sr_session_datafeed_callback_add(session, datafeed_in, &df_arg); | |
790 | df_arg.session = NULL; | |
791 | ||
792 | if (sr_dev_open(sdi) != SR_OK) { | |
793 | g_critical("Failed to open device."); | |
794 | return; | |
795 | } | |
796 | ||
797 | if (sr_session_dev_add(session, sdi) != SR_OK) { | |
798 | g_critical("Failed to add device to session."); | |
799 | sr_session_destroy(session); | |
800 | return; | |
801 | } | |
802 | ||
803 | if (opt_configs) { | |
804 | if (set_dev_options_array(sdi, opt_configs) != SR_OK) | |
805 | return; | |
806 | } | |
807 | ||
808 | if (select_channels(sdi) != SR_OK) { | |
809 | g_critical("Failed to set channels."); | |
810 | sr_session_destroy(session); | |
811 | return; | |
812 | } | |
813 | ||
814 | trigger = NULL; | |
815 | if (opt_triggers) { | |
816 | if (!parse_triggerstring(sdi, opt_triggers, &trigger)) { | |
817 | sr_session_destroy(session); | |
818 | return; | |
819 | } | |
820 | if (sr_session_trigger_set(session, trigger) != SR_OK) { | |
821 | sr_session_destroy(session); | |
822 | return; | |
823 | } | |
824 | } | |
825 | ||
826 | if (opt_continuous) { | |
827 | if (!sr_dev_has_option(sdi, SR_CONF_CONTINUOUS)) { | |
828 | g_critical("This device does not support continuous sampling."); | |
829 | sr_session_destroy(session); | |
830 | return; | |
831 | } | |
832 | } | |
833 | ||
834 | if (opt_time) { | |
835 | if (set_limit_time(sdi) != SR_OK) { | |
836 | sr_session_destroy(session); | |
837 | return; | |
838 | } | |
839 | } | |
840 | ||
841 | if (opt_samples) { | |
842 | if ((sr_parse_sizestring(opt_samples, &limit_samples) != SR_OK)) { | |
843 | g_critical("Invalid sample limit '%s'.", opt_samples); | |
844 | sr_session_destroy(session); | |
845 | return; | |
846 | } | |
847 | if (maybe_config_list(driver, sdi, NULL, SR_CONF_LIMIT_SAMPLES, | |
848 | &gvar) == SR_OK) { | |
849 | /* | |
850 | * The device has no compression, or compression is turned | |
851 | * off, and publishes its sample memory size. | |
852 | */ | |
853 | g_variant_get(gvar, "(tt)", &min_samples, &max_samples); | |
854 | g_variant_unref(gvar); | |
855 | if (limit_samples < min_samples) { | |
856 | g_critical("The device stores at least %"PRIu64 | |
857 | " samples with the current settings.", min_samples); | |
858 | } | |
859 | if (limit_samples > max_samples) { | |
860 | g_critical("The device can store only %"PRIu64 | |
861 | " samples with the current settings.", max_samples); | |
862 | } | |
863 | } | |
864 | gvar = g_variant_new_uint64(limit_samples); | |
865 | if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_SAMPLES, gvar) != SR_OK) { | |
866 | g_critical("Failed to configure sample limit."); | |
867 | sr_session_destroy(session); | |
868 | return; | |
869 | } | |
870 | } | |
871 | ||
872 | if (opt_frames) { | |
873 | if ((sr_parse_sizestring(opt_frames, &limit_frames) != SR_OK)) { | |
874 | g_critical("Invalid frame limit '%s'.", opt_frames); | |
875 | sr_session_destroy(session); | |
876 | return; | |
877 | } | |
878 | gvar = g_variant_new_uint64(limit_frames); | |
879 | if (maybe_config_set(sr_dev_inst_driver_get(sdi), sdi, NULL, SR_CONF_LIMIT_FRAMES, gvar) != SR_OK) { | |
880 | g_critical("Failed to configure frame limit."); | |
881 | sr_session_destroy(session); | |
882 | return; | |
883 | } | |
884 | } | |
885 | ||
886 | if (opt_transform_module) { | |
887 | if (!(t = setup_transform_module(sdi))) | |
888 | g_critical("Failed to initialize transform module."); | |
889 | } | |
890 | ||
891 | main_loop = g_main_loop_new(NULL, FALSE); | |
892 | ||
893 | sr_session_stopped_callback_set(session, | |
894 | (sr_session_stopped_callback)g_main_loop_quit, main_loop); | |
895 | ||
896 | if (sr_session_start(session) != SR_OK) { | |
897 | g_critical("Failed to start session."); | |
898 | g_main_loop_unref(main_loop); | |
899 | sr_session_destroy(session); | |
900 | return; | |
901 | } | |
902 | ||
903 | if (opt_continuous) | |
904 | add_anykey(session); | |
905 | ||
906 | g_main_loop_run(main_loop); | |
907 | ||
908 | if (opt_continuous) | |
909 | clear_anykey(); | |
910 | ||
911 | if (trigger) | |
912 | sr_trigger_free(trigger); | |
913 | ||
914 | sr_session_datafeed_callback_remove_all(session); | |
915 | g_main_loop_unref(main_loop); | |
916 | sr_session_destroy(session); | |
917 | } |