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1 | /* | |
2 | * This file is part of the libsigrok 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 | /** @file | |
21 | * @internal | |
22 | */ | |
23 | ||
24 | #ifndef LIBSIGROK_LIBSIGROK_INTERNAL_H | |
25 | #define LIBSIGROK_LIBSIGROK_INTERNAL_H | |
26 | ||
27 | #include <stdarg.h> | |
28 | #include <glib.h> | |
29 | #include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */ | |
30 | #ifdef HAVE_LIBUSB_1_0 | |
31 | #include <libusb.h> | |
32 | #endif | |
33 | #ifdef HAVE_LIBSERIALPORT | |
34 | #include <libserialport.h> | |
35 | #endif | |
36 | ||
37 | /** | |
38 | * @file | |
39 | * | |
40 | * libsigrok private header file, only to be used internally. | |
41 | */ | |
42 | ||
43 | /*--- Macros ----------------------------------------------------------------*/ | |
44 | ||
45 | #ifndef ARRAY_SIZE | |
46 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) | |
47 | #endif | |
48 | ||
49 | #ifndef ARRAY_AND_SIZE | |
50 | #define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a) | |
51 | #endif | |
52 | ||
53 | /** | |
54 | * Read a 8 bits integer out of memory. | |
55 | * @param x a pointer to the input memory | |
56 | * @return the corresponding integer | |
57 | */ | |
58 | #define R8(x) ((unsigned)((const uint8_t*)(x))[0]) | |
59 | ||
60 | /** | |
61 | * Read a 16 bits big endian integer out of memory. | |
62 | * @param x a pointer to the input memory | |
63 | * @return the corresponding integer | |
64 | */ | |
65 | #define RB16(x) (((unsigned)((const uint8_t*)(x))[0] << 8) | \ | |
66 | (unsigned)((const uint8_t*)(x))[1]) | |
67 | ||
68 | /** | |
69 | * Read a 16 bits little endian integer out of memory. | |
70 | * @param x a pointer to the input memory | |
71 | * @return the corresponding integer | |
72 | */ | |
73 | #define RL16(x) (((unsigned)((const uint8_t*)(x))[1] << 8) | \ | |
74 | (unsigned)((const uint8_t*)(x))[0]) | |
75 | ||
76 | /** | |
77 | * Read a 32 bits big endian integer out of memory. | |
78 | * @param x a pointer to the input memory | |
79 | * @return the corresponding integer | |
80 | */ | |
81 | #define RB32(x) (((unsigned)((const uint8_t*)(x))[0] << 24) | \ | |
82 | ((unsigned)((const uint8_t*)(x))[1] << 16) | \ | |
83 | ((unsigned)((const uint8_t*)(x))[2] << 8) | \ | |
84 | (unsigned)((const uint8_t*)(x))[3]) | |
85 | ||
86 | /** | |
87 | * Read a 32 bits little endian integer out of memory. | |
88 | * @param x a pointer to the input memory | |
89 | * @return the corresponding integer | |
90 | */ | |
91 | #define RL32(x) (((unsigned)((const uint8_t*)(x))[3] << 24) | \ | |
92 | ((unsigned)((const uint8_t*)(x))[2] << 16) | \ | |
93 | ((unsigned)((const uint8_t*)(x))[1] << 8) | \ | |
94 | (unsigned)((const uint8_t*)(x))[0]) | |
95 | ||
96 | /** | |
97 | * Write a 8 bits integer to memory. | |
98 | * @param p a pointer to the output memory | |
99 | * @param x the input integer | |
100 | */ | |
101 | #define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while(0) | |
102 | ||
103 | /** | |
104 | * Write a 16 bits integer to memory stored as big endian. | |
105 | * @param p a pointer to the output memory | |
106 | * @param x the input integer | |
107 | */ | |
108 | #define WB16(p, x) do { ((uint8_t*)(p))[1] = (uint8_t) (x); \ | |
109 | ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while(0) | |
110 | ||
111 | /** | |
112 | * Write a 16 bits integer to memory stored as little endian. | |
113 | * @param p a pointer to the output memory | |
114 | * @param x the input integer | |
115 | */ | |
116 | #define WL16(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \ | |
117 | ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while(0) | |
118 | ||
119 | /** | |
120 | * Write a 32 bits integer to memory stored as big endian. | |
121 | * @param p a pointer to the output memory | |
122 | * @param x the input integer | |
123 | */ | |
124 | #define WB32(p, x) do { ((uint8_t*)(p))[3] = (uint8_t) (x); \ | |
125 | ((uint8_t*)(p))[2] = (uint8_t)((x)>>8); \ | |
126 | ((uint8_t*)(p))[1] = (uint8_t)((x)>>16); \ | |
127 | ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while(0) | |
128 | ||
129 | /** | |
130 | * Write a 32 bits integer to memory stored as little endian. | |
131 | * @param p a pointer to the output memory | |
132 | * @param x the input integer | |
133 | */ | |
134 | #define WL32(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \ | |
135 | ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); \ | |
136 | ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \ | |
137 | ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while(0) | |
138 | ||
139 | /* Portability fixes for FreeBSD. */ | |
140 | #ifdef __FreeBSD__ | |
141 | #define LIBUSB_CLASS_APPLICATION 0xfe | |
142 | #define libusb_handle_events_timeout_completed(ctx, tv, c) \ | |
143 | libusb_handle_events_timeout(ctx, tv) | |
144 | #endif | |
145 | ||
146 | /* Static definitions of structs ending with an all-zero entry are a | |
147 | * problem when compiling with -Wmissing-field-initializers: GCC | |
148 | * suppresses the warning only with { 0 }, clang wants { } */ | |
149 | #ifdef __clang__ | |
150 | #define ALL_ZERO { } | |
151 | #else | |
152 | #define ALL_ZERO { 0 } | |
153 | #endif | |
154 | ||
155 | struct sr_context { | |
156 | #ifdef HAVE_LIBUSB_1_0 | |
157 | libusb_context *libusb_ctx; | |
158 | gboolean usb_source_present; | |
159 | #ifdef _WIN32 | |
160 | GThread *usb_thread; | |
161 | gboolean usb_thread_running; | |
162 | GMutex usb_mutex; | |
163 | HANDLE usb_event; | |
164 | GPollFD usb_pollfd; | |
165 | sr_receive_data_callback usb_cb; | |
166 | void *usb_cb_data; | |
167 | #endif | |
168 | #endif | |
169 | }; | |
170 | ||
171 | /** Input (file) module struct. */ | |
172 | struct sr_input { | |
173 | /** | |
174 | * A pointer to this input module's 'struct sr_input_module'. | |
175 | */ | |
176 | const struct sr_input_module *module; | |
177 | GString *buf; | |
178 | struct sr_dev_inst *sdi; | |
179 | void *priv; | |
180 | }; | |
181 | ||
182 | /** Input (file) module driver. */ | |
183 | struct sr_input_module { | |
184 | /** | |
185 | * A unique ID for this output module, suitable for use in command-line | |
186 | * clients, [a-z0-9-]. Must not be NULL. | |
187 | */ | |
188 | const char *id; | |
189 | ||
190 | /** | |
191 | * A unique name for this output module, suitable for use in GUI | |
192 | * clients, can contain UTF-8. Must not be NULL. | |
193 | */ | |
194 | const char *name; | |
195 | ||
196 | /** | |
197 | * A short description of the output module. Must not be NULL. | |
198 | * | |
199 | * This can be displayed by frontends, e.g. when selecting the output | |
200 | * module for saving a file. | |
201 | */ | |
202 | const char *desc; | |
203 | ||
204 | /** | |
205 | * Zero-terminated list of metadata items the module needs to be able | |
206 | * to identify an input stream. Can be all-zero, if the module cannot | |
207 | * identify streams at all, i.e. has to be forced into use. | |
208 | * | |
209 | * Each item is one of: | |
210 | * SR_INPUT_META_FILENAME | |
211 | * SR_INPUT_META_FILESIZE | |
212 | * SR_INPUT_META_HEADER | |
213 | * SR_INPUT_META_MIMETYPE | |
214 | * | |
215 | * If the high bit (SR_INPUT META_REQUIRED) is set, the module cannot | |
216 | * identify a stream without the given metadata. | |
217 | */ | |
218 | const uint8_t metadata[8]; | |
219 | ||
220 | /** | |
221 | * Returns a NULL-terminated list of options this module can take. | |
222 | * Can be NULL, if the module has no options. | |
223 | */ | |
224 | struct sr_option *(*options) (void); | |
225 | ||
226 | /** | |
227 | * Check if this input module can load and parse the specified stream. | |
228 | * | |
229 | * @param[in] metadata Metadata the module can use to identify the stream. | |
230 | * | |
231 | * @retval TRUE This module knows the format. | |
232 | * @retval FALSE This module does not know the format. | |
233 | */ | |
234 | int (*format_match) (GHashTable *metadata); | |
235 | ||
236 | /** | |
237 | * Initialize the input module. | |
238 | * | |
239 | * @param in A pointer to a valid 'struct sr_input' that the caller | |
240 | * has to allocate and provide to this function. It is also | |
241 | * the responsibility of the caller to free it later. | |
242 | * @param[in] filename The name (and path) of the file to use. | |
243 | * | |
244 | * @retval SR_OK Success | |
245 | * @retval other Negative error code. | |
246 | */ | |
247 | int (*init) (struct sr_input *in, GHashTable *options); | |
248 | ||
249 | /** | |
250 | * Load a file, parsing the input according to the file's format. | |
251 | * | |
252 | * This function will send datafeed packets to the session bus, so | |
253 | * the calling frontend must have registered its session callbacks | |
254 | * beforehand. | |
255 | * | |
256 | * The packet types sent across the session bus by this function must | |
257 | * include at least SR_DF_HEADER, SR_DF_END, and an appropriate data | |
258 | * type such as SR_DF_LOGIC. It may also send a SR_DF_TRIGGER packet | |
259 | * if appropriate. | |
260 | * | |
261 | * @param in A pointer to a valid 'struct sr_input' that the caller | |
262 | * has to allocate and provide to this function. It is also | |
263 | * the responsibility of the caller to free it later. | |
264 | * @param f The name (and path) of the file to use. | |
265 | * | |
266 | * @retval SR_OK Success | |
267 | * @retval other Negative error code. | |
268 | */ | |
269 | int (*receive) (const struct sr_input *in, GString *buf); | |
270 | ||
271 | /** | |
272 | * This function is called after the caller is finished using | |
273 | * the input module, and can be used to free any internal | |
274 | * resources the module may keep. | |
275 | * | |
276 | * @retval SR_OK Success | |
277 | * @retval other Negative error code. | |
278 | */ | |
279 | int (*cleanup) (struct sr_input *in); | |
280 | }; | |
281 | ||
282 | /** Output module instance. */ | |
283 | struct sr_output { | |
284 | /** A pointer to this output's module. */ | |
285 | const struct sr_output_module *module; | |
286 | ||
287 | /** | |
288 | * The device for which this output module is creating output. This | |
289 | * can be used by the module to find out channel names and numbers. | |
290 | */ | |
291 | const struct sr_dev_inst *sdi; | |
292 | ||
293 | /** | |
294 | * A generic pointer which can be used by the module to keep internal | |
295 | * state between calls into its callback functions. | |
296 | * | |
297 | * For example, the module might store a pointer to a chunk of output | |
298 | * there, and only flush it when it reaches a certain size. | |
299 | */ | |
300 | void *priv; | |
301 | }; | |
302 | ||
303 | /** Output module driver. */ | |
304 | struct sr_output_module { | |
305 | /** | |
306 | * A unique ID for this output module, suitable for use in command-line | |
307 | * clients, [a-z0-9-]. Must not be NULL. | |
308 | */ | |
309 | char *id; | |
310 | ||
311 | /** | |
312 | * A unique name for this output module, suitable for use in GUI | |
313 | * clients, can contain UTF-8. Must not be NULL. | |
314 | */ | |
315 | const char *name; | |
316 | ||
317 | /** | |
318 | * A short description of the output module. Must not be NULL. | |
319 | * | |
320 | * This can be displayed by frontends, e.g. when selecting the output | |
321 | * module for saving a file. | |
322 | */ | |
323 | char *desc; | |
324 | ||
325 | /** | |
326 | * Returns a NULL-terminated list of options this module can take. | |
327 | * Can be NULL, if the module has no options. | |
328 | */ | |
329 | const struct sr_option *(*options) (void); | |
330 | ||
331 | /** | |
332 | * This function is called once, at the beginning of an output stream. | |
333 | * | |
334 | * The device struct will be available in the output struct passed in, | |
335 | * as well as the param field -- which may be NULL or an empty string, | |
336 | * if no parameter was passed. | |
337 | * | |
338 | * The module can use this to initialize itself, create a struct for | |
339 | * keeping state and storing it in the <code>internal</code> field. | |
340 | * | |
341 | * @param o Pointer to the respective 'struct sr_output'. | |
342 | * | |
343 | * @retval SR_OK Success | |
344 | * @retval other Negative error code. | |
345 | */ | |
346 | int (*init) (struct sr_output *o, GHashTable *options); | |
347 | ||
348 | /** | |
349 | * This function is passed a copy of every packed in the data feed. | |
350 | * Any output generated by the output module in response to the | |
351 | * packet should be returned in a newly allocated GString | |
352 | * <code>out</code>, which will be freed by the caller. | |
353 | * | |
354 | * Packets not of interest to the output module can just be ignored, | |
355 | * and the <code>out</code> parameter set to NULL. | |
356 | * | |
357 | * @param o Pointer to the respective 'struct sr_output'. | |
358 | * @param sdi The device instance that generated the packet. | |
359 | * @param packet The complete packet. | |
360 | * @param out A pointer where a GString * should be stored if | |
361 | * the module generates output, or NULL if not. | |
362 | * | |
363 | * @retval SR_OK Success | |
364 | * @retval other Negative error code. | |
365 | */ | |
366 | int (*receive) (const struct sr_output *o, | |
367 | const struct sr_datafeed_packet *packet, GString **out); | |
368 | ||
369 | /** | |
370 | * This function is called after the caller is finished using | |
371 | * the output module, and can be used to free any internal | |
372 | * resources the module may keep. | |
373 | * | |
374 | * @retval SR_OK Success | |
375 | * @retval other Negative error code. | |
376 | */ | |
377 | int (*cleanup) (struct sr_output *o); | |
378 | }; | |
379 | ||
380 | #ifdef HAVE_LIBUSB_1_0 | |
381 | /** USB device instance */ | |
382 | struct sr_usb_dev_inst { | |
383 | /** USB bus */ | |
384 | uint8_t bus; | |
385 | /** Device address on USB bus */ | |
386 | uint8_t address; | |
387 | /** libusb device handle */ | |
388 | struct libusb_device_handle *devhdl; | |
389 | }; | |
390 | #endif | |
391 | ||
392 | #ifdef HAVE_LIBSERIALPORT | |
393 | #define SERIAL_PARITY_NONE SP_PARITY_NONE | |
394 | #define SERIAL_PARITY_EVEN SP_PARITY_EVEN | |
395 | #define SERIAL_PARITY_ODD SP_PARITY_ODD | |
396 | struct sr_serial_dev_inst { | |
397 | /** Port name, e.g. '/dev/tty42'. */ | |
398 | char *port; | |
399 | /** Comm params for serial_set_paramstr(). */ | |
400 | char *serialcomm; | |
401 | /** Port is non-blocking. */ | |
402 | int nonblocking; | |
403 | /** libserialport port handle */ | |
404 | struct sp_port *data; | |
405 | /** libserialport event set */ | |
406 | struct sp_event_set *event_set; | |
407 | /** GPollFDs for event polling */ | |
408 | GPollFD *pollfds; | |
409 | }; | |
410 | #endif | |
411 | ||
412 | struct sr_usbtmc_dev_inst { | |
413 | char *device; | |
414 | int fd; | |
415 | }; | |
416 | ||
417 | /* Private driver context. */ | |
418 | struct drv_context { | |
419 | /** sigrok context */ | |
420 | struct sr_context *sr_ctx; | |
421 | GSList *instances; | |
422 | }; | |
423 | ||
424 | /*--- log.c -----------------------------------------------------------------*/ | |
425 | ||
426 | SR_PRIV int sr_log(int loglevel, const char *format, ...); | |
427 | SR_PRIV int sr_spew(const char *format, ...); | |
428 | SR_PRIV int sr_dbg(const char *format, ...); | |
429 | SR_PRIV int sr_info(const char *format, ...); | |
430 | SR_PRIV int sr_warn(const char *format, ...); | |
431 | SR_PRIV int sr_err(const char *format, ...); | |
432 | ||
433 | /* Message logging helpers with subsystem-specific prefix string. */ | |
434 | #ifndef NO_LOG_WRAPPERS | |
435 | #define sr_log(l, s, args...) sr_log(l, "%s: " s, LOG_PREFIX, ## args) | |
436 | #define sr_spew(s, args...) sr_spew("%s: " s, LOG_PREFIX, ## args) | |
437 | #define sr_dbg(s, args...) sr_dbg("%s: " s, LOG_PREFIX, ## args) | |
438 | #define sr_info(s, args...) sr_info("%s: " s, LOG_PREFIX, ## args) | |
439 | #define sr_warn(s, args...) sr_warn("%s: " s, LOG_PREFIX, ## args) | |
440 | #define sr_err(s, args...) sr_err("%s: " s, LOG_PREFIX, ## args) | |
441 | #endif | |
442 | ||
443 | /*--- device.c --------------------------------------------------------------*/ | |
444 | ||
445 | /** Values for the changes argument of sr_dev_driver.config_channel_set. */ | |
446 | enum { | |
447 | /** The enabled state of the channel has been changed. */ | |
448 | SR_CHANNEL_SET_ENABLED = 1 << 0, | |
449 | }; | |
450 | ||
451 | SR_PRIV struct sr_channel *sr_channel_new(int index, int type, | |
452 | gboolean enabled, const char *name); | |
453 | ||
454 | /* Generic device instances */ | |
455 | SR_PRIV struct sr_dev_inst *sr_dev_inst_new(int index, int status, | |
456 | const char *vendor, const char *model, const char *version); | |
457 | SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi); | |
458 | ||
459 | #ifdef HAVE_LIBUSB_1_0 | |
460 | /* USB-specific instances */ | |
461 | SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus, | |
462 | uint8_t address, struct libusb_device_handle *hdl); | |
463 | SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb); | |
464 | #endif | |
465 | ||
466 | #ifdef HAVE_LIBSERIALPORT | |
467 | /* Serial-specific instances */ | |
468 | SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port, | |
469 | const char *serialcomm); | |
470 | SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial); | |
471 | #endif | |
472 | ||
473 | /* USBTMC-specific instances */ | |
474 | SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device); | |
475 | SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc); | |
476 | ||
477 | /*--- hwdriver.c ------------------------------------------------------------*/ | |
478 | ||
479 | SR_PRIV void sr_hw_cleanup_all(void); | |
480 | SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data); | |
481 | SR_PRIV void sr_config_free(struct sr_config *src); | |
482 | SR_PRIV int sr_source_remove(int fd); | |
483 | SR_PRIV int sr_source_remove_pollfd(GPollFD *pollfd); | |
484 | SR_PRIV int sr_source_remove_channel(GIOChannel *channel); | |
485 | SR_PRIV int sr_source_add(int fd, int events, int timeout, | |
486 | sr_receive_data_callback cb, void *cb_data); | |
487 | SR_PRIV int sr_source_add_pollfd(GPollFD *pollfd, int timeout, | |
488 | sr_receive_data_callback cb, void *cb_data); | |
489 | SR_PRIV int sr_source_add_channel(GIOChannel *channel, int events, int timeout, | |
490 | sr_receive_data_callback cb, void *cb_data); | |
491 | ||
492 | /*--- session.c -------------------------------------------------------------*/ | |
493 | ||
494 | struct sr_session { | |
495 | /** List of struct sr_dev pointers. */ | |
496 | GSList *devs; | |
497 | /** List of struct datafeed_callback pointers. */ | |
498 | GSList *datafeed_callbacks; | |
499 | struct sr_trigger *trigger; | |
500 | GTimeVal starttime; | |
501 | gboolean running; | |
502 | ||
503 | unsigned int num_sources; | |
504 | ||
505 | /* | |
506 | * Both "sources" and "pollfds" are of the same size and contain pairs | |
507 | * of descriptor and callback function. We can not embed the GPollFD | |
508 | * into the source struct since we want to be able to pass the array | |
509 | * of all poll descriptors to g_poll(). | |
510 | */ | |
511 | struct source *sources; | |
512 | GPollFD *pollfds; | |
513 | int source_timeout; | |
514 | ||
515 | /* | |
516 | * These are our synchronization primitives for stopping the session in | |
517 | * an async fashion. We need to make sure the session is stopped from | |
518 | * within the session thread itself. | |
519 | */ | |
520 | /** Mutex protecting access to abort_session. */ | |
521 | GMutex stop_mutex; | |
522 | /** Abort current session. See sr_session_stop(). */ | |
523 | gboolean abort_session; | |
524 | }; | |
525 | ||
526 | SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi, | |
527 | const struct sr_datafeed_packet *packet); | |
528 | SR_PRIV int sr_session_stop_sync(struct sr_session *session); | |
529 | SR_PRIV int sr_sessionfile_check(const char *filename); | |
530 | ||
531 | /*--- std.c -----------------------------------------------------------------*/ | |
532 | ||
533 | typedef int (*dev_close_callback)(struct sr_dev_inst *sdi); | |
534 | typedef void (*std_dev_clear_callback)(void *priv); | |
535 | ||
536 | SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di, | |
537 | const char *prefix); | |
538 | #ifdef HAVE_LIBSERIALPORT | |
539 | SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi); | |
540 | SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi, | |
541 | void *cb_data, dev_close_callback dev_close_fn, | |
542 | struct sr_serial_dev_inst *serial, const char *prefix); | |
543 | #endif | |
544 | SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi, | |
545 | const char *prefix); | |
546 | SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver, | |
547 | std_dev_clear_callback clear_private); | |
548 | SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi); | |
549 | ||
550 | /*--- strutil.c -------------------------------------------------------------*/ | |
551 | ||
552 | SR_PRIV int sr_atol(const char *str, long *ret); | |
553 | SR_PRIV int sr_atoi(const char *str, int *ret); | |
554 | SR_PRIV int sr_atod(const char *str, double *ret); | |
555 | SR_PRIV int sr_atof(const char *str, float *ret); | |
556 | SR_PRIV int sr_atof_ascii(const char *str, float *ret); | |
557 | ||
558 | /*--- soft-trigger.c --------------------------------------------------------*/ | |
559 | ||
560 | struct soft_trigger_logic { | |
561 | const struct sr_dev_inst *sdi; | |
562 | const struct sr_trigger *trigger; | |
563 | int count; | |
564 | int unitsize; | |
565 | int cur_stage; | |
566 | uint8_t *prev_sample; | |
567 | }; | |
568 | ||
569 | SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new( | |
570 | const struct sr_dev_inst *sdi, struct sr_trigger *trigger); | |
571 | SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st); | |
572 | SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf, | |
573 | int len); | |
574 | ||
575 | /*--- hardware/common/serial.c ----------------------------------------------*/ | |
576 | ||
577 | #ifdef HAVE_LIBSERIALPORT | |
578 | enum { | |
579 | SERIAL_RDWR = 1, | |
580 | SERIAL_RDONLY = 2, | |
581 | SERIAL_NONBLOCK = 4, | |
582 | }; | |
583 | ||
584 | typedef gboolean (*packet_valid_callback)(const uint8_t *buf); | |
585 | ||
586 | SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags); | |
587 | SR_PRIV int serial_close(struct sr_serial_dev_inst *serial); | |
588 | SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial); | |
589 | SR_PRIV int serial_write(struct sr_serial_dev_inst *serial, | |
590 | const void *buf, size_t count); | |
591 | SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial, | |
592 | const void *buf, size_t count); | |
593 | SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial, | |
594 | const void *buf, size_t count); | |
595 | SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf, | |
596 | size_t count); | |
597 | SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf, | |
598 | size_t count); | |
599 | SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf, | |
600 | size_t count); | |
601 | SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate, | |
602 | int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr); | |
603 | SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial, | |
604 | const char *paramstr); | |
605 | SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf, | |
606 | int *buflen, gint64 timeout_ms); | |
607 | SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial, | |
608 | uint8_t *buf, size_t *buflen, | |
609 | size_t packet_size, | |
610 | packet_valid_callback is_valid, | |
611 | uint64_t timeout_ms, int baudrate); | |
612 | SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device, | |
613 | const char **serial_options); | |
614 | SR_PRIV int serial_source_add(struct sr_session *session, | |
615 | struct sr_serial_dev_inst *serial, int events, int timeout, | |
616 | sr_receive_data_callback cb, void *cb_data); | |
617 | SR_PRIV int serial_source_remove(struct sr_session *session, | |
618 | struct sr_serial_dev_inst *serial); | |
619 | SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id); | |
620 | #endif | |
621 | ||
622 | /*--- hardware/common/ezusb.c -----------------------------------------------*/ | |
623 | ||
624 | #ifdef HAVE_LIBUSB_1_0 | |
625 | SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear); | |
626 | SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl, | |
627 | const char *filename); | |
628 | SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration, | |
629 | const char *filename); | |
630 | #endif | |
631 | ||
632 | /*--- hardware/common/usb.c -------------------------------------------------*/ | |
633 | ||
634 | #ifdef HAVE_LIBUSB_1_0 | |
635 | SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn); | |
636 | SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb); | |
637 | SR_PRIV int usb_source_add(struct sr_session *session, struct sr_context *ctx, | |
638 | int timeout, sr_receive_data_callback cb, void *cb_data); | |
639 | SR_PRIV int usb_source_remove(struct sr_session *session, struct sr_context *ctx); | |
640 | #endif | |
641 | ||
642 | /*--- hardware/common/scpi.c ------------------------------------------------*/ | |
643 | ||
644 | #define SCPI_CMD_IDN "*IDN?" | |
645 | #define SCPI_CMD_OPC "*OPC?" | |
646 | ||
647 | enum { | |
648 | SCPI_CMD_SET_TRIGGER_SOURCE, | |
649 | SCPI_CMD_SET_TIMEBASE, | |
650 | SCPI_CMD_SET_VERTICAL_DIV, | |
651 | SCPI_CMD_SET_TRIGGER_SLOPE, | |
652 | SCPI_CMD_SET_COUPLING, | |
653 | SCPI_CMD_SET_HORIZ_TRIGGERPOS, | |
654 | SCPI_CMD_GET_ANALOG_CHAN_STATE, | |
655 | SCPI_CMD_GET_DIG_CHAN_STATE, | |
656 | SCPI_CMD_GET_TIMEBASE, | |
657 | SCPI_CMD_GET_VERTICAL_DIV, | |
658 | SCPI_CMD_GET_VERTICAL_OFFSET, | |
659 | SCPI_CMD_GET_TRIGGER_SOURCE, | |
660 | SCPI_CMD_GET_HORIZ_TRIGGERPOS, | |
661 | SCPI_CMD_GET_TRIGGER_SLOPE, | |
662 | SCPI_CMD_GET_COUPLING, | |
663 | SCPI_CMD_SET_ANALOG_CHAN_STATE, | |
664 | SCPI_CMD_SET_DIG_CHAN_STATE, | |
665 | SCPI_CMD_GET_DIG_POD_STATE, | |
666 | SCPI_CMD_SET_DIG_POD_STATE, | |
667 | SCPI_CMD_GET_ANALOG_DATA, | |
668 | SCPI_CMD_GET_DIG_DATA, | |
669 | SCPI_CMD_GET_SAMPLE_RATE, | |
670 | SCPI_CMD_GET_SAMPLE_RATE_LIVE, | |
671 | }; | |
672 | ||
673 | struct sr_scpi_hw_info { | |
674 | char *manufacturer; | |
675 | char *model; | |
676 | char *serial_number; | |
677 | char *firmware_version; | |
678 | }; | |
679 | ||
680 | struct sr_scpi_dev_inst { | |
681 | const char *name; | |
682 | const char *prefix; | |
683 | int priv_size; | |
684 | GSList *(*scan)(struct drv_context *drvc); | |
685 | int (*dev_inst_new)(void *priv, struct drv_context *drvc, | |
686 | const char *resource, char **params, const char *serialcomm); | |
687 | int (*open)(void *priv); | |
688 | int (*source_add)(struct sr_session *session, void *priv, int events, | |
689 | int timeout, sr_receive_data_callback cb, void *cb_data); | |
690 | int (*source_remove)(struct sr_session *session, void *priv); | |
691 | int (*send)(void *priv, const char *command); | |
692 | int (*read_begin)(void *priv); | |
693 | int (*read_data)(void *priv, char *buf, int maxlen); | |
694 | int (*read_complete)(void *priv); | |
695 | int (*close)(void *priv); | |
696 | void (*free)(void *priv); | |
697 | void *priv; | |
698 | }; | |
699 | ||
700 | SR_PRIV GSList *sr_scpi_scan(struct drv_context *drvc, GSList *options, | |
701 | struct sr_dev_inst *(*probe_device)(struct sr_scpi_dev_inst *scpi)); | |
702 | SR_PRIV struct sr_scpi_dev_inst *scpi_dev_inst_new(struct drv_context *drvc, | |
703 | const char *resource, const char *serialcomm); | |
704 | SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi); | |
705 | SR_PRIV int sr_scpi_source_add(struct sr_session *session, | |
706 | struct sr_scpi_dev_inst *scpi, int events, int timeout, | |
707 | sr_receive_data_callback cb, void *cb_data); | |
708 | SR_PRIV int sr_scpi_source_remove(struct sr_session *session, | |
709 | struct sr_scpi_dev_inst *scpi); | |
710 | SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi, | |
711 | const char *format, ...); | |
712 | SR_PRIV int sr_scpi_send_variadic(struct sr_scpi_dev_inst *scpi, | |
713 | const char *format, va_list args); | |
714 | SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi); | |
715 | SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen); | |
716 | SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi); | |
717 | SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi); | |
718 | SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi); | |
719 | ||
720 | SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi, | |
721 | const char *command, char **scpi_response); | |
722 | SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi, | |
723 | const char *command, gboolean *scpi_response); | |
724 | SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi, | |
725 | const char *command, int *scpi_response); | |
726 | SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi, | |
727 | const char *command, float *scpi_response); | |
728 | SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi, | |
729 | const char *command, double *scpi_response); | |
730 | SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi); | |
731 | SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi, | |
732 | const char *command, GArray **scpi_response); | |
733 | SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi, | |
734 | const char *command, GArray **scpi_response); | |
735 | SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi, | |
736 | struct sr_scpi_hw_info **scpi_response); | |
737 | SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info); | |
738 | ||
739 | /*--- hardware/common/dmm/es519xx.c -----------------------------------------*/ | |
740 | ||
741 | /** | |
742 | * All 11-byte es519xx chips repeat each block twice for each conversion cycle | |
743 | * so always read 2 blocks at a time. | |
744 | */ | |
745 | #define ES519XX_11B_PACKET_SIZE (11 * 2) | |
746 | #define ES519XX_14B_PACKET_SIZE 14 | |
747 | ||
748 | struct es519xx_info { | |
749 | gboolean is_judge, is_voltage, is_auto, is_micro, is_current; | |
750 | gboolean is_milli, is_resistance, is_continuity, is_diode; | |
751 | gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle; | |
752 | gboolean is_temperature, is_celsius, is_fahrenheit; | |
753 | gboolean is_adp0, is_adp1, is_adp2, is_adp3; | |
754 | gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo; | |
755 | gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold; | |
756 | gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr; | |
757 | uint32_t baudrate; | |
758 | int packet_size; | |
759 | gboolean alt_functions, fivedigits, clampmeter, selectable_lpf; | |
760 | }; | |
761 | ||
762 | SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf); | |
763 | SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval, | |
764 | struct sr_datafeed_analog *analog, void *info); | |
765 | SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf); | |
766 | SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf, | |
767 | float *floatval, struct sr_datafeed_analog *analog, void *info); | |
768 | SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf); | |
769 | SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf, | |
770 | float *floatval, struct sr_datafeed_analog *analog, void *info); | |
771 | SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf); | |
772 | SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf, | |
773 | float *floatval, struct sr_datafeed_analog *analog, void *info); | |
774 | SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf); | |
775 | SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval, | |
776 | struct sr_datafeed_analog *analog, void *info); | |
777 | SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf); | |
778 | SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval, | |
779 | struct sr_datafeed_analog *analog, void *info); | |
780 | SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf); | |
781 | SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf, | |
782 | float *floatval, struct sr_datafeed_analog *analog, void *info); | |
783 | ||
784 | /*--- hardware/common/dmm/fs9922.c ------------------------------------------*/ | |
785 | ||
786 | #define FS9922_PACKET_SIZE 14 | |
787 | ||
788 | struct fs9922_info { | |
789 | gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2; | |
790 | gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro; | |
791 | gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent; | |
792 | gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad; | |
793 | gboolean is_celsius, is_fahrenheit; | |
794 | int bargraph_sign, bargraph_value; | |
795 | }; | |
796 | ||
797 | SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf); | |
798 | SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval, | |
799 | struct sr_datafeed_analog *analog, void *info); | |
800 | SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info); | |
801 | ||
802 | /*--- hardware/common/dmm/fs9721.c ------------------------------------------*/ | |
803 | ||
804 | #define FS9721_PACKET_SIZE 14 | |
805 | ||
806 | struct fs9721_info { | |
807 | gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo; | |
808 | gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad; | |
809 | gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat; | |
810 | gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign; | |
811 | }; | |
812 | ||
813 | SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf); | |
814 | SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval, | |
815 | struct sr_datafeed_analog *analog, void *info); | |
816 | SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info); | |
817 | SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info); | |
818 | SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info); | |
819 | SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info); | |
820 | SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog *analog, void *info); | |
821 | ||
822 | /*--- hardware/common/dmm/m2110.c -----------------------------------------*/ | |
823 | ||
824 | #define BBCGM_M2110_PACKET_SIZE 9 | |
825 | ||
826 | SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf); | |
827 | SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval, | |
828 | struct sr_datafeed_analog *analog, void *info); | |
829 | ||
830 | /*--- hardware/common/dmm/metex14.c -----------------------------------------*/ | |
831 | ||
832 | #define METEX14_PACKET_SIZE 14 | |
833 | ||
834 | struct metex14_info { | |
835 | gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature; | |
836 | gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad; | |
837 | gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro; | |
838 | gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe; | |
839 | gboolean is_unitless, is_logic; | |
840 | }; | |
841 | ||
842 | #ifdef HAVE_LIBSERIALPORT | |
843 | SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial); | |
844 | #endif | |
845 | SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf); | |
846 | SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval, | |
847 | struct sr_datafeed_analog *analog, void *info); | |
848 | ||
849 | /*--- hardware/common/dmm/rs9lcd.c ------------------------------------------*/ | |
850 | ||
851 | #define RS9LCD_PACKET_SIZE 9 | |
852 | ||
853 | /* Dummy info struct. The parser does not use it. */ | |
854 | struct rs9lcd_info { int dummy; }; | |
855 | ||
856 | SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf); | |
857 | SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval, | |
858 | struct sr_datafeed_analog *analog, void *info); | |
859 | ||
860 | /*--- hardware/common/dmm/bm25x.c -----------------------------------------*/ | |
861 | ||
862 | #define BRYMEN_BM25X_PACKET_SIZE 15 | |
863 | ||
864 | /* Dummy info struct. The parser does not use it. */ | |
865 | struct bm25x_info { int dummy; }; | |
866 | ||
867 | SR_PRIV gboolean sr_brymen_bm25x_packet_valid(const uint8_t *buf); | |
868 | SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval, | |
869 | struct sr_datafeed_analog *analog, void *info); | |
870 | ||
871 | #endif |