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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 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 | #ifndef LIBSIGROK_SIGROK_H | |
21 | #define LIBSIGROK_SIGROK_H | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <sys/time.h> | |
25 | #include <stdint.h> | |
26 | #include <inttypes.h> | |
27 | #include <glib.h> | |
28 | ||
29 | #ifdef __cplusplus | |
30 | extern "C" { | |
31 | #endif | |
32 | ||
33 | /** | |
34 | * @file | |
35 | * | |
36 | * The public libsigrok header file to be used by frontends. | |
37 | */ | |
38 | ||
39 | /* | |
40 | * All possible return codes of libsigrok functions must be listed here. | |
41 | * Functions should never return hardcoded numbers as status, but rather | |
42 | * use these enum values. All error codes are negative numbers. | |
43 | * | |
44 | * The error codes are globally unique in libsigrok, i.e. if one of the | |
45 | * libsigrok functions returns a "malloc error" it must be exactly the same | |
46 | * return value as used by all other functions to indicate "malloc error". | |
47 | * There must be no functions which indicate two different errors via the | |
48 | * same return code. | |
49 | * | |
50 | * Also, for compatibility reasons, no defined return codes are ever removed | |
51 | * or reused for different errors later. You can only add new entries and | |
52 | * return codes, but never remove or redefine existing ones. | |
53 | */ | |
54 | ||
55 | /** Status/error codes returned by libsigrok functions. */ | |
56 | enum { | |
57 | SR_OK = 0, /**< No error. */ | |
58 | SR_ERR = -1, /**< Generic/unspecified error. */ | |
59 | SR_ERR_MALLOC = -2, /**< Malloc/calloc/realloc error. */ | |
60 | SR_ERR_ARG = -3, /**< Function argument error. */ | |
61 | SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */ | |
62 | SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */ | |
63 | }; | |
64 | ||
65 | #define SR_MAX_NUM_PROBES 64 /* Limited by uint64_t. */ | |
66 | #define SR_MAX_PROBENAME_LEN 32 | |
67 | ||
68 | /* Handy little macros */ | |
69 | #define SR_HZ(n) (n) | |
70 | #define SR_KHZ(n) ((n) * 1000) | |
71 | #define SR_MHZ(n) ((n) * 1000000) | |
72 | #define SR_GHZ(n) ((n) * 1000000000) | |
73 | ||
74 | #define SR_HZ_TO_NS(n) (1000000000 / (n)) | |
75 | ||
76 | /** libsigrok loglevels. */ | |
77 | enum { | |
78 | SR_LOG_NONE = 0, /**< Output no messages at all. */ | |
79 | SR_LOG_ERR = 1, /**< Output error messages. */ | |
80 | SR_LOG_WARN = 2, /**< Output warnings. */ | |
81 | SR_LOG_INFO = 3, /**< Output informational messages. */ | |
82 | SR_LOG_DBG = 4, /**< Output debug messages. */ | |
83 | SR_LOG_SPEW = 5, /**< Output very noisy debug messages. */ | |
84 | }; | |
85 | ||
86 | /* | |
87 | * Use SR_API to mark public API symbols, and SR_PRIV for private symbols. | |
88 | * | |
89 | * Variables and functions marked 'static' are private already and don't | |
90 | * need SR_PRIV. However, functions which are not static (because they need | |
91 | * to be used in other libsigrok-internal files) but are also not meant to | |
92 | * be part of the public libsigrok API, must use SR_PRIV. | |
93 | * | |
94 | * This uses the 'visibility' feature of gcc (requires gcc >= 4.0). | |
95 | * | |
96 | * This feature is not available on MinGW/Windows, as it is a feature of | |
97 | * ELF files and MinGW/Windows uses PE files. | |
98 | * | |
99 | * Details: http://gcc.gnu.org/wiki/Visibility | |
100 | */ | |
101 | ||
102 | /* Marks public libsigrok API symbols. */ | |
103 | #ifndef _WIN32 | |
104 | #define SR_API __attribute__((visibility("default"))) | |
105 | #else | |
106 | #define SR_API | |
107 | #endif | |
108 | ||
109 | /* Marks private, non-public libsigrok symbols (not part of the API). */ | |
110 | #ifndef _WIN32 | |
111 | #define SR_PRIV __attribute__((visibility("hidden"))) | |
112 | #else | |
113 | #define SR_PRIV | |
114 | #endif | |
115 | ||
116 | typedef int (*sr_receive_data_callback_t)(int fd, int revents, void *cb_data); | |
117 | ||
118 | /** Data types used by hardware drivers for dev_config_set(). */ | |
119 | enum { | |
120 | SR_T_UINT64, | |
121 | SR_T_CHAR, | |
122 | SR_T_BOOL, | |
123 | SR_T_FLOAT, | |
124 | SR_T_RATIONAL_PERIOD, | |
125 | SR_T_RATIONAL_VOLT, | |
126 | SR_T_KEYVALUE, | |
127 | }; | |
128 | ||
129 | /** Rational number data type, containing numerator and denominator values. */ | |
130 | struct sr_rational { | |
131 | /** Numerator of the rational number. */ | |
132 | uint64_t p; | |
133 | /** Denominator of the rational number. */ | |
134 | uint64_t q; | |
135 | }; | |
136 | ||
137 | /** Value for sr_datafeed_packet.type. */ | |
138 | enum { | |
139 | SR_DF_HEADER, | |
140 | SR_DF_END, | |
141 | SR_DF_TRIGGER, | |
142 | SR_DF_LOGIC, | |
143 | SR_DF_META_LOGIC, | |
144 | SR_DF_ANALOG, | |
145 | SR_DF_META_ANALOG, | |
146 | SR_DF_FRAME_BEGIN, | |
147 | SR_DF_FRAME_END, | |
148 | }; | |
149 | ||
150 | /** Values for sr_datafeed_analog.mq. */ | |
151 | enum { | |
152 | SR_MQ_VOLTAGE, | |
153 | SR_MQ_CURRENT, | |
154 | SR_MQ_RESISTANCE, | |
155 | SR_MQ_CAPACITANCE, | |
156 | SR_MQ_TEMPERATURE, | |
157 | SR_MQ_FREQUENCY, | |
158 | SR_MQ_DUTY_CYCLE, | |
159 | SR_MQ_CONTINUITY, | |
160 | SR_MQ_PULSE_WIDTH, | |
161 | SR_MQ_CONDUCTANCE, | |
162 | /** Electrical power, usually in W, or dBm. */ | |
163 | SR_MQ_POWER, | |
164 | /** Gain (a transistor's gain, or hFE, for example). */ | |
165 | SR_MQ_GAIN, | |
166 | }; | |
167 | ||
168 | /** Values for sr_datafeed_analog.unit. */ | |
169 | enum { | |
170 | SR_UNIT_VOLT, | |
171 | SR_UNIT_AMPERE, | |
172 | SR_UNIT_OHM, | |
173 | SR_UNIT_FARAD, | |
174 | SR_UNIT_KELVIN, | |
175 | SR_UNIT_CELSIUS, | |
176 | SR_UNIT_FAHRENHEIT, | |
177 | SR_UNIT_HERTZ, | |
178 | SR_UNIT_PERCENTAGE, | |
179 | SR_UNIT_BOOLEAN, | |
180 | SR_UNIT_SECOND, | |
181 | /** Unit of conductance, the inverse of resistance. */ | |
182 | SR_UNIT_SIEMENS, | |
183 | /** | |
184 | * An absolute measurement of power, in decibels, referenced to | |
185 | * 1 milliwatt (dBu). | |
186 | */ | |
187 | SR_UNIT_DECIBEL_MW, | |
188 | /** Voltage in decibel, referenced to 1 volt (dBV). */ | |
189 | SR_UNIT_DECIBEL_VOLT, | |
190 | /** | |
191 | * Measurements that intrinsically do not have units attached, such | |
192 | * as ratios, gains, etc. Specifically, a transistor's gain (hFE) is | |
193 | * a unitless quantity, for example. | |
194 | */ | |
195 | SR_UNIT_UNITLESS, | |
196 | }; | |
197 | ||
198 | /** Values for sr_datafeed_analog.flags. */ | |
199 | enum { | |
200 | /** Voltage measurement is alternating current (AC). */ | |
201 | SR_MQFLAG_AC = 0x01, | |
202 | /** Voltage measurement is direct current (DC). */ | |
203 | SR_MQFLAG_DC = 0x02, | |
204 | /** This is a true RMS measurement. */ | |
205 | SR_MQFLAG_RMS = 0x04, | |
206 | /** Value is voltage drop across a diode, or NAN. */ | |
207 | SR_MQFLAG_DIODE = 0x08, | |
208 | /** Device is in "hold" mode (repeating the last measurement). */ | |
209 | SR_MQFLAG_HOLD = 0x10, | |
210 | /** Device is in "max" mode, only updating upon a new max value. */ | |
211 | SR_MQFLAG_MAX = 0x20, | |
212 | /** Device is in "min" mode, only updating upon a new min value. */ | |
213 | SR_MQFLAG_MIN = 0x40, | |
214 | /** Device is in autoranging mode. */ | |
215 | SR_MQFLAG_AUTORANGE = 0x80, | |
216 | /** Device is in relative mode. */ | |
217 | SR_MQFLAG_RELATIVE = 0x100, | |
218 | }; | |
219 | ||
220 | struct sr_context; | |
221 | ||
222 | struct sr_datafeed_packet { | |
223 | uint16_t type; | |
224 | void *payload; | |
225 | }; | |
226 | ||
227 | struct sr_datafeed_header { | |
228 | int feed_version; | |
229 | struct timeval starttime; | |
230 | }; | |
231 | ||
232 | struct sr_datafeed_meta_logic { | |
233 | int num_probes; | |
234 | uint64_t samplerate; | |
235 | }; | |
236 | ||
237 | struct sr_datafeed_logic { | |
238 | uint64_t length; | |
239 | uint16_t unitsize; | |
240 | void *data; | |
241 | }; | |
242 | ||
243 | struct sr_datafeed_meta_analog { | |
244 | int num_probes; | |
245 | }; | |
246 | ||
247 | struct sr_datafeed_analog { | |
248 | int num_samples; | |
249 | /** Measured quantity (voltage, current, temperature, and so on). */ | |
250 | int mq; | |
251 | /** Unit in which the MQ is measured. */ | |
252 | int unit; | |
253 | /** Bitmap with extra information about the MQ. */ | |
254 | uint64_t mqflags; | |
255 | /** The analog value. */ | |
256 | float *data; | |
257 | }; | |
258 | ||
259 | struct sr_input { | |
260 | struct sr_input_format *format; | |
261 | GHashTable *param; | |
262 | struct sr_dev_inst *sdi; | |
263 | void *internal; | |
264 | }; | |
265 | ||
266 | struct sr_input_format { | |
267 | char *id; | |
268 | char *description; | |
269 | int (*format_match) (const char *filename); | |
270 | int (*init) (struct sr_input *in); | |
271 | int (*loadfile) (struct sr_input *in, const char *filename); | |
272 | }; | |
273 | ||
274 | struct sr_output { | |
275 | struct sr_output_format *format; | |
276 | struct sr_dev_inst *sdi; | |
277 | char *param; | |
278 | void *internal; | |
279 | }; | |
280 | ||
281 | struct sr_output_format { | |
282 | char *id; | |
283 | char *description; | |
284 | int df_type; | |
285 | int (*init) (struct sr_output *o); | |
286 | int (*data) (struct sr_output *o, const uint8_t *data_in, | |
287 | uint64_t length_in, uint8_t **data_out, | |
288 | uint64_t *length_out); | |
289 | int (*event) (struct sr_output *o, int event_type, uint8_t **data_out, | |
290 | uint64_t *length_out); | |
291 | GString *(*recv) (struct sr_output *o, const struct sr_dev_inst *sdi, | |
292 | struct sr_datafeed_packet *packet); | |
293 | int (*cleanup) (struct sr_output *o); | |
294 | }; | |
295 | ||
296 | struct sr_datastore { | |
297 | /** Size in bytes of the number of units stored in this datastore. */ | |
298 | int ds_unitsize; | |
299 | unsigned int num_units; /* TODO: uint64_t */ | |
300 | GSList *chunklist; | |
301 | }; | |
302 | ||
303 | /* | |
304 | * This represents a generic device connected to the system. | |
305 | * For device-specific information, ask the driver. The driver_index refers | |
306 | * to the device index within that driver; it may be handling more than one | |
307 | * device. All relevant driver calls take a dev_index parameter for this. | |
308 | */ | |
309 | struct sr_dev { | |
310 | /** Which driver handles this device. */ | |
311 | struct sr_dev_driver *driver; | |
312 | /** A driver may handle multiple devices of the same type. */ | |
313 | int driver_index; | |
314 | /** List of struct sr_probe pointers. */ | |
315 | GSList *probes; | |
316 | /** Data acquired by this device, if any. */ | |
317 | struct sr_datastore *datastore; | |
318 | }; | |
319 | ||
320 | enum { | |
321 | SR_PROBE_LOGIC, | |
322 | SR_PROBE_ANALOG, | |
323 | }; | |
324 | ||
325 | struct sr_probe { | |
326 | int index; | |
327 | int type; | |
328 | gboolean enabled; | |
329 | char *name; | |
330 | char *trigger; | |
331 | }; | |
332 | ||
333 | struct sr_hwopt { | |
334 | int hwopt; | |
335 | const void *value; | |
336 | }; | |
337 | ||
338 | /** Hardware driver options. */ | |
339 | enum { | |
340 | /** Used to terminate lists. */ | |
341 | SR_HWOPT_DUMMY = 0, /* Must be 0! */ | |
342 | ||
343 | /** | |
344 | * Some drivers cannot detect the exact model they're talking to | |
345 | * (may be phased out). | |
346 | */ | |
347 | SR_HWOPT_MODEL, | |
348 | ||
349 | /** | |
350 | * Specification on how to connect to a device. | |
351 | * | |
352 | * In combination with SR_HWOPT_SERIALCOMM, this is a serial port in | |
353 | * the form which makes sense to the OS (e.g., /dev/ttyS0). | |
354 | * Otherwise this specifies a USB device, either in the form of | |
355 | * @verbatim <bus>.<address> @endverbatim (decimal, e.g. 1.65) or | |
356 | * @verbatim <vendorid>.<productid> @endverbatim | |
357 | * (hexadecimal, e.g. 1d6b.0001). | |
358 | */ | |
359 | SR_HWOPT_CONN, | |
360 | ||
361 | /** | |
362 | * Serial communication specification, in the form: | |
363 | * | |
364 | * @verbatim <baudrate>/<databits><parity><stopbits> @endverbatim | |
365 | * | |
366 | * Example: 9600/8n1 | |
367 | * | |
368 | * This is always an optional parameter, since a driver typically | |
369 | * knows the speed at which the device wants to communicate. | |
370 | */ | |
371 | SR_HWOPT_SERIALCOMM, | |
372 | }; | |
373 | ||
374 | /** Hardware device capabilities. */ | |
375 | enum { | |
376 | /** Used to terminate lists. */ | |
377 | SR_HWCAP_DUMMY = 0, /* Must be 0! */ | |
378 | ||
379 | /*--- Device classes ------------------------------------------------*/ | |
380 | ||
381 | /** The device can act as logic analyzer. */ | |
382 | SR_HWCAP_LOGIC_ANALYZER, | |
383 | ||
384 | /** The device can act as an oscilloscope. */ | |
385 | SR_HWCAP_OSCILLOSCOPE, | |
386 | ||
387 | /** The device can act as a multimeter. */ | |
388 | SR_HWCAP_MULTIMETER, | |
389 | ||
390 | /** The device is a demo device. */ | |
391 | SR_HWCAP_DEMO_DEV, | |
392 | ||
393 | ||
394 | /*--- Device configuration ------------------------------------------*/ | |
395 | ||
396 | /** The device supports setting/changing its samplerate. */ | |
397 | SR_HWCAP_SAMPLERATE, | |
398 | ||
399 | /** The device supports setting a pre/post-trigger capture ratio. */ | |
400 | SR_HWCAP_CAPTURE_RATIO, | |
401 | ||
402 | /* TODO? */ | |
403 | /** The device supports setting a pattern (pattern generator mode). */ | |
404 | SR_HWCAP_PATTERN_MODE, | |
405 | ||
406 | /** The device supports Run Length Encoding. */ | |
407 | SR_HWCAP_RLE, | |
408 | ||
409 | /** The device supports setting trigger slope. */ | |
410 | SR_HWCAP_TRIGGER_SLOPE, | |
411 | ||
412 | /** Trigger source. */ | |
413 | SR_HWCAP_TRIGGER_SOURCE, | |
414 | ||
415 | /** Horizontal trigger position. */ | |
416 | SR_HWCAP_HORIZ_TRIGGERPOS, | |
417 | ||
418 | /** Buffer size. */ | |
419 | SR_HWCAP_BUFFERSIZE, | |
420 | ||
421 | /** Time base. */ | |
422 | SR_HWCAP_TIMEBASE, | |
423 | ||
424 | /** Filter. */ | |
425 | SR_HWCAP_FILTER, | |
426 | ||
427 | /** Volts/div. */ | |
428 | SR_HWCAP_VDIV, | |
429 | ||
430 | /** Coupling. */ | |
431 | SR_HWCAP_COUPLING, | |
432 | ||
433 | ||
434 | /*--- Special stuff -------------------------------------------------*/ | |
435 | ||
436 | /** Session filename. */ | |
437 | SR_HWCAP_SESSIONFILE, | |
438 | ||
439 | /* TODO: Better description. */ | |
440 | /** The device supports specifying a capturefile to inject. */ | |
441 | SR_HWCAP_CAPTUREFILE, | |
442 | ||
443 | /* TODO: Better description. */ | |
444 | /** The device supports specifying the capturefile unit size. */ | |
445 | SR_HWCAP_CAPTURE_UNITSIZE, | |
446 | ||
447 | /* TODO: Better description. */ | |
448 | /** The device supports setting the number of probes. */ | |
449 | SR_HWCAP_CAPTURE_NUM_PROBES, | |
450 | ||
451 | ||
452 | /*--- Acquisition modes ---------------------------------------------*/ | |
453 | ||
454 | /** | |
455 | * The device supports setting a sample time limit (how long | |
456 | * the sample acquisition should run, in ms). | |
457 | */ | |
458 | SR_HWCAP_LIMIT_MSEC, | |
459 | ||
460 | /** | |
461 | * The device supports setting a sample number limit (how many | |
462 | * samples should be acquired). | |
463 | */ | |
464 | SR_HWCAP_LIMIT_SAMPLES, | |
465 | ||
466 | /** | |
467 | * The device supports setting a frame limit (how many | |
468 | * frames should be acquired). | |
469 | */ | |
470 | SR_HWCAP_LIMIT_FRAMES, | |
471 | ||
472 | /** | |
473 | * The device supports continuous sampling. Neither a time limit | |
474 | * nor a sample number limit has to be supplied, it will just acquire | |
475 | * samples continuously, until explicitly stopped by a certain command. | |
476 | */ | |
477 | SR_HWCAP_CONTINUOUS, | |
478 | ||
479 | }; | |
480 | ||
481 | struct sr_hwcap_option { | |
482 | int hwcap; | |
483 | int type; | |
484 | char *description; | |
485 | char *shortname; | |
486 | }; | |
487 | ||
488 | struct sr_dev_inst { | |
489 | struct sr_dev_driver *driver; | |
490 | int index; | |
491 | int status; | |
492 | int inst_type; | |
493 | char *vendor; | |
494 | char *model; | |
495 | char *version; | |
496 | GSList *probes; | |
497 | void *priv; | |
498 | }; | |
499 | ||
500 | /** Types of device instances (sr_dev_inst). */ | |
501 | enum { | |
502 | /** Device instance type for USB devices. */ | |
503 | SR_INST_USB, | |
504 | /** Device instance type for serial port devices. */ | |
505 | SR_INST_SERIAL, | |
506 | }; | |
507 | ||
508 | /** Device instance status. */ | |
509 | enum { | |
510 | /** The device instance was not found. */ | |
511 | SR_ST_NOT_FOUND, | |
512 | /** The device instance was found, but is still booting. */ | |
513 | SR_ST_INITIALIZING, | |
514 | /** The device instance is live, but not in use. */ | |
515 | SR_ST_INACTIVE, | |
516 | /** The device instance is actively in use in a session. */ | |
517 | SR_ST_ACTIVE, | |
518 | }; | |
519 | ||
520 | /* | |
521 | * TODO: This sucks, you just kinda have to "know" the returned type. | |
522 | * TODO: Need a DI to return the number of trigger stages supported. | |
523 | */ | |
524 | ||
525 | /** Device info IDs. */ | |
526 | enum { | |
527 | /** A list of options supported by the driver. */ | |
528 | SR_DI_HWOPTS, | |
529 | /** A list of capabilities supported by the device. */ | |
530 | SR_DI_HWCAPS, | |
531 | /** The number of probes connected to this device. */ | |
532 | SR_DI_NUM_PROBES, | |
533 | /** The probe names on this device. */ | |
534 | SR_DI_PROBE_NAMES, | |
535 | /** Samplerates supported by this device (struct sr_samplerates). */ | |
536 | SR_DI_SAMPLERATES, | |
537 | /** Types of logic trigger supported, out of "01crf" (char *). */ | |
538 | SR_DI_TRIGGER_TYPES, | |
539 | /** The currently set samplerate in Hz (uint64_t). */ | |
540 | SR_DI_CUR_SAMPLERATE, | |
541 | /** Supported patterns (in pattern generator mode). */ | |
542 | SR_DI_PATTERNS, | |
543 | /** Supported buffer sizes. */ | |
544 | SR_DI_BUFFERSIZES, | |
545 | /** Supported time bases. */ | |
546 | SR_DI_TIMEBASES, | |
547 | /** Supported trigger sources. */ | |
548 | SR_DI_TRIGGER_SOURCES, | |
549 | /** Supported filter targets. */ | |
550 | SR_DI_FILTERS, | |
551 | /** Valid volts/div values. */ | |
552 | SR_DI_VDIVS, | |
553 | /** Coupling options. */ | |
554 | SR_DI_COUPLING, | |
555 | }; | |
556 | ||
557 | /* | |
558 | * A device supports either a range of samplerates with steps of a given | |
559 | * granularity, or is limited to a set of defined samplerates. Use either | |
560 | * step or list, but not both. | |
561 | */ | |
562 | struct sr_samplerates { | |
563 | uint64_t low; | |
564 | uint64_t high; | |
565 | uint64_t step; | |
566 | const uint64_t *list; | |
567 | }; | |
568 | ||
569 | struct sr_dev_driver { | |
570 | /* Driver-specific */ | |
571 | char *name; | |
572 | char *longname; | |
573 | int api_version; | |
574 | int (*init) (void); | |
575 | int (*cleanup) (void); | |
576 | GSList *(*scan) (GSList *options); | |
577 | GSList *(*dev_list) (void); | |
578 | int (*dev_clear) (void); | |
579 | ||
580 | /* Device-specific */ | |
581 | int (*dev_open) (struct sr_dev_inst *sdi); | |
582 | int (*dev_close) (struct sr_dev_inst *sdi); | |
583 | int (*info_get) (int info_id, const void **data, | |
584 | const struct sr_dev_inst *sdi); | |
585 | int (*dev_config_set) (const struct sr_dev_inst *sdi, int hwcap, | |
586 | const void *value); | |
587 | int (*dev_acquisition_start) (const struct sr_dev_inst *sdi, | |
588 | void *cb_data); | |
589 | int (*dev_acquisition_stop) (const struct sr_dev_inst *sdi, | |
590 | void *cb_data); | |
591 | ||
592 | /* Dynamic */ | |
593 | void *priv; | |
594 | }; | |
595 | ||
596 | struct sr_session { | |
597 | /** List of struct sr_dev pointers. */ | |
598 | GSList *devs; | |
599 | /** List of sr_receive_data_callback_t items. */ | |
600 | GSList *datafeed_callbacks; | |
601 | GTimeVal starttime; | |
602 | ||
603 | unsigned int num_sources; | |
604 | ||
605 | /* | |
606 | * Both "sources" and "pollfds" are of the same size and contain pairs | |
607 | * of descriptor and callback function. We can not embed the GPollFD | |
608 | * into the source struct since we want to be able to pass the array | |
609 | * of all poll descriptors to g_poll(). | |
610 | */ | |
611 | struct source *sources; | |
612 | GPollFD *pollfds; | |
613 | int source_timeout; | |
614 | }; | |
615 | ||
616 | #include "proto.h" | |
617 | #include "version.h" | |
618 | ||
619 | #ifdef __cplusplus | |
620 | } | |
621 | #endif | |
622 | ||
623 | #endif |