2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
24 #ifndef LIBSIGROK_LIBSIGROK_INTERNAL_H
25 #define LIBSIGROK_LIBSIGROK_INTERNAL_H
30 #ifdef HAVE_LIBUSB_1_0
33 #ifdef HAVE_LIBSERIALPORT
34 #include <libserialport.h>
43 * libsigrok private header file, only to be used internally.
46 /*--- Macros ----------------------------------------------------------------*/
49 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
52 #ifndef ARRAY_AND_SIZE
53 #define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
57 * Read a 8 bits unsigned integer out of memory.
58 * @param x a pointer to the input memory
59 * @return the corresponding unsigned integer
61 #define R8(x) ((unsigned)((const uint8_t*)(x))[0])
64 * Read a 16 bits big endian unsigned integer out of memory.
65 * @param x a pointer to the input memory
66 * @return the corresponding unsigned integer
68 #define RB16(x) (((unsigned)((const uint8_t*)(x))[0] << 8) | \
69 (unsigned)((const uint8_t*)(x))[1])
72 * Read a 16 bits little endian unsigned integer out of memory.
73 * @param x a pointer to the input memory
74 * @return the corresponding unsigned integer
76 #define RL16(x) (((unsigned)((const uint8_t*)(x))[1] << 8) | \
77 (unsigned)((const uint8_t*)(x))[0])
80 * Read a 16 bits big endian signed integer out of memory.
81 * @param x a pointer to the input memory
82 * @return the corresponding signed integer
84 #define RB16S(x) ((int16_t) \
85 (((unsigned)((const uint8_t*)(x))[0] << 8) | \
86 (unsigned)((const uint8_t*)(x))[1]))
89 * Read a 16 bits little endian signed integer out of memory.
90 * @param x a pointer to the input memory
91 * @return the corresponding signed integer
93 #define RL16S(x) ((int16_t) \
94 (((unsigned)((const uint8_t*)(x))[1] << 8) | \
95 (unsigned)((const uint8_t*)(x))[0]))
98 * Read a 32 bits big endian unsigned integer out of memory.
99 * @param x a pointer to the input memory
100 * @return the corresponding unsigned integer
102 #define RB32(x) (((unsigned)((const uint8_t*)(x))[0] << 24) | \
103 ((unsigned)((const uint8_t*)(x))[1] << 16) | \
104 ((unsigned)((const uint8_t*)(x))[2] << 8) | \
105 (unsigned)((const uint8_t*)(x))[3])
108 * Read a 32 bits little endian unsigned integer out of memory.
109 * @param x a pointer to the input memory
110 * @return the corresponding unsigned integer
112 #define RL32(x) (((unsigned)((const uint8_t*)(x))[3] << 24) | \
113 ((unsigned)((const uint8_t*)(x))[2] << 16) | \
114 ((unsigned)((const uint8_t*)(x))[1] << 8) | \
115 (unsigned)((const uint8_t*)(x))[0])
118 * Read a 32 bits big endian signed integer out of memory.
119 * @param x a pointer to the input memory
120 * @return the corresponding signed integer
122 #define RB32S(x) ((int32_t) \
123 (((unsigned)((const uint8_t*)(x))[0] << 24) | \
124 ((unsigned)((const uint8_t*)(x))[1] << 16) | \
125 ((unsigned)((const uint8_t*)(x))[2] << 8) | \
126 (unsigned)((const uint8_t*)(x))[3]))
129 * Read a 32 bits little endian signed integer out of memory.
130 * @param x a pointer to the input memory
131 * @return the corresponding signed integer
133 #define RL32S(x) ((int32_t) \
134 (((unsigned)((const uint8_t*)(x))[3] << 24) | \
135 ((unsigned)((const uint8_t*)(x))[2] << 16) | \
136 ((unsigned)((const uint8_t*)(x))[1] << 8) | \
137 (unsigned)((const uint8_t*)(x))[0]))
140 * Read a 64 bits big endian unsigned integer out of memory.
141 * @param x a pointer to the input memory
142 * @return the corresponding unsigned integer
144 #define RB64(x) (((uint64_t)((const uint8_t*)(x))[0] << 56) | \
145 ((uint64_t)((const uint8_t*)(x))[1] << 48) | \
146 ((uint64_t)((const uint8_t*)(x))[2] << 40) | \
147 ((uint64_t)((const uint8_t*)(x))[3] << 32) | \
148 ((uint64_t)((const uint8_t*)(x))[4] << 24) | \
149 ((uint64_t)((const uint8_t*)(x))[5] << 16) | \
150 ((uint64_t)((const uint8_t*)(x))[6] << 8) | \
151 (uint64_t)((const uint8_t*)(x))[7])
154 * Read a 64 bits little endian unsigned integer out of memory.
155 * @param x a pointer to the input memory
156 * @return the corresponding unsigned integer
158 #define RL64(x) (((uint64_t)((const uint8_t*)(x))[7] << 56) | \
159 ((uint64_t)((const uint8_t*)(x))[6] << 48) | \
160 ((uint64_t)((const uint8_t*)(x))[5] << 40) | \
161 ((uint64_t)((const uint8_t*)(x))[4] << 32) | \
162 ((uint64_t)((const uint8_t*)(x))[3] << 24) | \
163 ((uint64_t)((const uint8_t*)(x))[2] << 16) | \
164 ((uint64_t)((const uint8_t*)(x))[1] << 8) | \
165 (uint64_t)((const uint8_t*)(x))[0])
168 * Read a 64 bits little endian signed integer out of memory.
169 * @param x a pointer to the input memory
170 * @return the corresponding unsigned integer
172 #define RL64S(x) ((int64_t) \
173 (((uint64_t)((const uint8_t*)(x))[7] << 56) | \
174 ((uint64_t)((const uint8_t*)(x))[6] << 48) | \
175 ((uint64_t)((const uint8_t*)(x))[5] << 40) | \
176 ((uint64_t)((const uint8_t*)(x))[4] << 32) | \
177 ((uint64_t)((const uint8_t*)(x))[3] << 24) | \
178 ((uint64_t)((const uint8_t*)(x))[2] << 16) | \
179 ((uint64_t)((const uint8_t*)(x))[1] << 8) | \
180 (uint64_t)((const uint8_t*)(x))[0]))
183 * Read a 32 bits big endian float out of memory.
184 * @param x a pointer to the input memory
185 * @return the corresponding float
187 #define RBFL(x) ((union { uint32_t u; float f; }) { .u = RB32(x) }.f)
190 * Read a 32 bits little endian float out of memory.
191 * @param x a pointer to the input memory
192 * @return the corresponding float
194 #define RLFL(x) ((union { uint32_t u; float f; }) { .u = RL32(x) }.f)
197 * Write a 8 bits unsigned integer to memory.
198 * @param p a pointer to the output memory
199 * @param x the input unsigned integer
201 #define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while (0)
204 * Write a 16 bits unsigned integer to memory stored as big endian.
205 * @param p a pointer to the output memory
206 * @param x the input unsigned integer
208 #define WB16(p, x) do { ((uint8_t*)(p))[1] = (uint8_t) (x); \
209 ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while (0)
212 * Write a 16 bits unsigned integer to memory stored as little endian.
213 * @param p a pointer to the output memory
214 * @param x the input unsigned integer
216 #define WL16(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
217 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while (0)
220 * Write a 32 bits unsigned integer to memory stored as big endian.
221 * @param p a pointer to the output memory
222 * @param x the input unsigned integer
224 #define WB32(p, x) do { ((uint8_t*)(p))[3] = (uint8_t) (x); \
225 ((uint8_t*)(p))[2] = (uint8_t)((x)>>8); \
226 ((uint8_t*)(p))[1] = (uint8_t)((x)>>16); \
227 ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while (0)
230 * Write a 32 bits unsigned integer to memory stored as little endian.
231 * @param p a pointer to the output memory
232 * @param x the input unsigned integer
234 #define WL32(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
235 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); \
236 ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \
237 ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while (0)
240 * Write a 32 bits float to memory stored as big endian.
241 * @param p a pointer to the output memory
242 * @param x the input float
244 #define WBFL(p, x) WB32(p, (union { uint32_t u; float f; }) { .f = x }.u)
247 * Write a 32 bits float to memory stored as little endian.
248 * @param p a pointer to the output memory
249 * @param x the input float
251 #define WLFL(p, x) WL32(p, (union { uint32_t u; float f; }) { .f = x }.u)
253 /* Portability fixes for FreeBSD. */
255 #define LIBUSB_CLASS_APPLICATION 0xfe
256 #define libusb_has_capability(x) 0
257 #define libusb_handle_events_timeout_completed(ctx, tv, c) \
258 libusb_handle_events_timeout(ctx, tv)
261 /* Static definitions of structs ending with an all-zero entry are a
262 * problem when compiling with -Wmissing-field-initializers: GCC
263 * suppresses the warning only with { 0 }, clang wants { } */
267 #define ALL_ZERO { 0 }
271 struct sr_dev_driver **driver_list;
272 #ifdef HAVE_LIBUSB_1_0
273 libusb_context *libusb_ctx;
275 sr_resource_open_callback resource_open_cb;
276 sr_resource_close_callback resource_close_cb;
277 sr_resource_read_callback resource_read_cb;
278 void *resource_cb_data;
281 /** Input module metadata keys. */
282 enum sr_input_meta_keys {
283 /** The input filename, if there is one. */
284 SR_INPUT_META_FILENAME = 0x01,
285 /** The input file's size in bytes. */
286 SR_INPUT_META_FILESIZE = 0x02,
287 /** The first 128 bytes of the file, provided as a GString. */
288 SR_INPUT_META_HEADER = 0x04,
290 /** The module cannot identify a file without this metadata. */
291 SR_INPUT_META_REQUIRED = 0x80,
294 /** Input (file) module struct. */
297 * A pointer to this input module's 'struct sr_input_module'.
299 const struct sr_input_module *module;
301 struct sr_dev_inst *sdi;
306 /** Input (file) module driver. */
307 struct sr_input_module {
309 * A unique ID for this input module, suitable for use in command-line
310 * clients, [a-z0-9-]. Must not be NULL.
315 * A unique name for this input module, suitable for use in GUI
316 * clients, can contain UTF-8. Must not be NULL.
321 * A short description of the input module. Must not be NULL.
323 * This can be displayed by frontends, e.g. when selecting the input
324 * module for saving a file.
329 * A NULL terminated array of strings containing a list of file name
330 * extensions typical for the input file format, or NULL if there is
331 * no typical extension for this file format.
333 const char *const *exts;
336 * Zero-terminated list of metadata items the module needs to be able
337 * to identify an input stream. Can be all-zero, if the module cannot
338 * identify streams at all, i.e. has to be forced into use.
340 * Each item is one of:
341 * SR_INPUT_META_FILENAME
342 * SR_INPUT_META_FILESIZE
343 * SR_INPUT_META_HEADER
345 * If the high bit (SR_INPUT META_REQUIRED) is set, the module cannot
346 * identify a stream without the given metadata.
348 const uint8_t metadata[8];
351 * Returns a NULL-terminated list of options this module can take.
352 * Can be NULL, if the module has no options.
354 const struct sr_option *(*options) (void);
357 * Check if this input module can load and parse the specified stream.
359 * @param[in] metadata Metadata the module can use to identify the stream.
361 * @retval SR_OK This module knows the format.
362 * @retval SR_ERR_NA There wasn't enough data for this module to
363 * positively identify the format.
364 * @retval SR_ERR_DATA This module knows the format, but cannot handle it.
365 * This means the stream is either corrupt, or indicates a feature
366 * that the module does not support.
367 * @retval SR_ERR This module does not know the format.
369 int (*format_match) (GHashTable *metadata);
372 * Initialize the input module.
374 * @retval SR_OK Success
375 * @retval other Negative error code.
377 int (*init) (struct sr_input *in, GHashTable *options);
380 * Send data to the specified input instance.
382 * When an input module instance is created with sr_input_new(), this
383 * function is used to feed data to the instance.
385 * As enough data gets fed into this function to completely populate
386 * the device instance associated with this input instance, this is
387 * guaranteed to return the moment it's ready. This gives the caller
388 * the chance to examine the device instance, attach session callbacks
391 * @retval SR_OK Success
392 * @retval other Negative error code.
394 int (*receive) (struct sr_input *in, GString *buf);
397 * Signal the input module no more data will come.
399 * This will cause the module to process any data it may have buffered.
400 * The SR_DF_END packet will also typically be sent at this time.
402 int (*end) (struct sr_input *in);
405 * This function is called after the caller is finished using
406 * the input module, and can be used to free any internal
407 * resources the module may keep.
409 * This function is optional.
411 * @retval SR_OK Success
412 * @retval other Negative error code.
414 void (*cleanup) (struct sr_input *in);
417 /** Output module instance. */
419 /** A pointer to this output's module. */
420 const struct sr_output_module *module;
423 * The device for which this output module is creating output. This
424 * can be used by the module to find out channel names and numbers.
426 const struct sr_dev_inst *sdi;
429 * The name of the file that the data should be written to.
431 const char *filename;
434 * A generic pointer which can be used by the module to keep internal
435 * state between calls into its callback functions.
437 * For example, the module might store a pointer to a chunk of output
438 * there, and only flush it when it reaches a certain size.
443 /** Output module driver. */
444 struct sr_output_module {
446 * A unique ID for this output module, suitable for use in command-line
447 * clients, [a-z0-9-]. Must not be NULL.
452 * A unique name for this output module, suitable for use in GUI
453 * clients, can contain UTF-8. Must not be NULL.
458 * A short description of the output module. Must not be NULL.
460 * This can be displayed by frontends, e.g. when selecting the output
461 * module for saving a file.
466 * A NULL terminated array of strings containing a list of file name
467 * extensions typical for the input file format, or NULL if there is
468 * no typical extension for this file format.
470 const char *const *exts;
473 * Bitfield containing flags that describe certain properties
474 * this output module may or may not have.
475 * @see sr_output_flags
477 const uint64_t flags;
480 * Returns a NULL-terminated list of options this module can take.
481 * Can be NULL, if the module has no options.
483 const struct sr_option *(*options) (void);
486 * This function is called once, at the beginning of an output stream.
488 * The device struct will be available in the output struct passed in,
489 * as well as the param field -- which may be NULL or an empty string,
490 * if no parameter was passed.
492 * The module can use this to initialize itself, create a struct for
493 * keeping state and storing it in the <code>internal</code> field.
495 * @param o Pointer to the respective 'struct sr_output'.
497 * @retval SR_OK Success
498 * @retval other Negative error code.
500 int (*init) (struct sr_output *o, GHashTable *options);
503 * This function is passed a copy of every packet in the data feed.
504 * Any output generated by the output module in response to the
505 * packet should be returned in a newly allocated GString
506 * <code>out</code>, which will be freed by the caller.
508 * Packets not of interest to the output module can just be ignored,
509 * and the <code>out</code> parameter set to NULL.
511 * @param o Pointer to the respective 'struct sr_output'.
512 * @param sdi The device instance that generated the packet.
513 * @param packet The complete packet.
514 * @param out A pointer where a GString * should be stored if
515 * the module generates output, or NULL if not.
517 * @retval SR_OK Success
518 * @retval other Negative error code.
520 int (*receive) (const struct sr_output *o,
521 const struct sr_datafeed_packet *packet, GString **out);
524 * This function is called after the caller is finished using
525 * the output module, and can be used to free any internal
526 * resources the module may keep.
528 * @retval SR_OK Success
529 * @retval other Negative error code.
531 int (*cleanup) (struct sr_output *o);
534 /** Transform module instance. */
535 struct sr_transform {
536 /** A pointer to this transform's module. */
537 const struct sr_transform_module *module;
540 * The device for which this transform module is used. This
541 * can be used by the module to find out channel names and numbers.
543 const struct sr_dev_inst *sdi;
546 * A generic pointer which can be used by the module to keep internal
547 * state between calls into its callback functions.
552 struct sr_transform_module {
554 * A unique ID for this transform module, suitable for use in
555 * command-line clients, [a-z0-9-]. Must not be NULL.
560 * A unique name for this transform module, suitable for use in GUI
561 * clients, can contain UTF-8. Must not be NULL.
566 * A short description of the transform module. Must not be NULL.
568 * This can be displayed by frontends, e.g. when selecting
569 * which transform module(s) to add.
574 * Returns a NULL-terminated list of options this transform module
575 * can take. Can be NULL, if the transform module has no options.
577 const struct sr_option *(*options) (void);
580 * This function is called once, at the beginning of a stream.
582 * @param t Pointer to the respective 'struct sr_transform'.
583 * @param options Hash table of options for this transform module.
584 * Can be NULL if no options are to be used.
586 * @retval SR_OK Success
587 * @retval other Negative error code.
589 int (*init) (struct sr_transform *t, GHashTable *options);
592 * This function is passed a pointer to every packet in the data feed.
594 * It can either return (in packet_out) a pointer to another packet
595 * (possibly the exact same packet it got as input), or NULL.
597 * @param t Pointer to the respective 'struct sr_transform'.
598 * @param packet_in Pointer to a datafeed packet.
599 * @param packet_out Pointer to the resulting datafeed packet after
600 * this function was run. If NULL, the transform
601 * module intentionally didn't output a new packet.
603 * @retval SR_OK Success
604 * @retval other Negative error code.
606 int (*receive) (const struct sr_transform *t,
607 struct sr_datafeed_packet *packet_in,
608 struct sr_datafeed_packet **packet_out);
611 * This function is called after the caller is finished using
612 * the transform module, and can be used to free any internal
613 * resources the module may keep.
615 * @retval SR_OK Success
616 * @retval other Negative error code.
618 int (*cleanup) (struct sr_transform *t);
621 #ifdef HAVE_LIBUSB_1_0
622 /** USB device instance */
623 struct sr_usb_dev_inst {
626 /** Device address on USB bus */
628 /** libusb device handle */
629 struct libusb_device_handle *devhdl;
633 #ifdef HAVE_LIBSERIALPORT
634 struct sr_serial_dev_inst {
635 /** Port name, e.g. '/dev/tty42'. */
637 /** Comm params for serial_set_paramstr(). */
639 /** libserialport port handle */
640 struct sp_port *data;
644 struct sr_usbtmc_dev_inst {
649 /* Private driver context. */
651 /** sigrok context */
652 struct sr_context *sr_ctx;
656 /*--- log.c -----------------------------------------------------------------*/
658 #if defined(G_OS_WIN32) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
660 * On MinGW, we need to specify the gnu_printf format flavor or GCC
661 * will assume non-standard Microsoft printf syntax.
663 SR_PRIV int sr_log(int loglevel, const char *format, ...)
664 __attribute__((__format__ (__gnu_printf__, 2, 3)));
666 SR_PRIV int sr_log(int loglevel, const char *format, ...) G_GNUC_PRINTF(2, 3);
669 /* Message logging helpers with subsystem-specific prefix string. */
670 #define sr_spew(...) sr_log(SR_LOG_SPEW, LOG_PREFIX ": " __VA_ARGS__)
671 #define sr_dbg(...) sr_log(SR_LOG_DBG, LOG_PREFIX ": " __VA_ARGS__)
672 #define sr_info(...) sr_log(SR_LOG_INFO, LOG_PREFIX ": " __VA_ARGS__)
673 #define sr_warn(...) sr_log(SR_LOG_WARN, LOG_PREFIX ": " __VA_ARGS__)
674 #define sr_err(...) sr_log(SR_LOG_ERR, LOG_PREFIX ": " __VA_ARGS__)
676 /*--- device.c --------------------------------------------------------------*/
678 /** Scan options supported by a driver. */
679 #define SR_CONF_SCAN_OPTIONS 0x7FFF0000
681 /** Device options for a particular device. */
682 #define SR_CONF_DEVICE_OPTIONS 0x7FFF0001
684 /** Mask for separating config keys from capabilities. */
685 #define SR_CONF_MASK 0x1fffffff
687 /** Values for the changes argument of sr_dev_driver.config_channel_set. */
689 /** The enabled state of the channel has been changed. */
690 SR_CHANNEL_SET_ENABLED = 1 << 0,
693 SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
694 int index, int type, gboolean enabled, const char *name);
695 SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
696 struct sr_channel *cur_channel);
698 /** Device instance data */
700 /** Device driver. */
701 struct sr_dev_driver *driver;
702 /** Device instance status. SR_ST_NOT_FOUND, etc. */
704 /** Device instance type. SR_INST_USB, etc. */
706 /** Device vendor. */
710 /** Device version. */
712 /** Serial number. */
714 /** Connection string to uniquely identify devices. */
716 /** List of channels. */
718 /** List of sr_channel_group structs */
719 GSList *channel_groups;
720 /** Device instance connection data (used?) */
722 /** Device instance private data (used?) */
724 /** Session to which this device is currently assigned. */
725 struct sr_session *session;
728 /* Generic device instances */
729 SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
731 #ifdef HAVE_LIBUSB_1_0
732 /* USB-specific instances */
733 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
734 uint8_t address, struct libusb_device_handle *hdl);
735 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
738 #ifdef HAVE_LIBSERIALPORT
739 /* Serial-specific instances */
740 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
741 const char *serialcomm);
742 SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
745 /* USBTMC-specific instances */
746 SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
747 SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
749 /*--- hwdriver.c ------------------------------------------------------------*/
751 extern SR_PRIV struct sr_dev_driver **drivers_lists[];
753 SR_PRIV const GVariantType *sr_variant_type_get(int datatype);
754 SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *data);
755 SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx);
756 SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data);
757 SR_PRIV void sr_config_free(struct sr_config *src);
759 /*--- session.c -------------------------------------------------------------*/
762 /** Context this session exists in. */
763 struct sr_context *ctx;
764 /** List of struct sr_dev_inst pointers. */
766 /** List of struct sr_dev_inst pointers owned by this session. */
768 /** List of struct datafeed_callback pointers. */
769 GSList *datafeed_callbacks;
771 struct sr_trigger *trigger;
773 /** Callback to invoke on session stop. */
774 sr_session_stopped_callback stopped_callback;
775 /** User data to be passed to the session stop callback. */
776 void *stopped_cb_data;
778 /** Mutex protecting the main context pointer. */
780 /** Context of the session main loop. */
781 GMainContext *main_context;
783 /** Registered event sources for this session. */
784 GHashTable *event_sources;
785 /** Session main loop. */
786 GMainLoop *main_loop;
787 /** ID of idle source for dispatching the session stop notification. */
788 unsigned int stop_check_id;
789 /** Whether the session has been started. */
793 SR_PRIV int sr_session_source_add_internal(struct sr_session *session,
794 void *key, GSource *source);
795 SR_PRIV int sr_session_source_remove_internal(struct sr_session *session,
797 SR_PRIV int sr_session_source_destroyed(struct sr_session *session,
798 void *key, GSource *source);
799 SR_PRIV int sr_session_fd_source_add(struct sr_session *session,
800 void *key, gintptr fd, int events, int timeout,
801 sr_receive_data_callback cb, void *cb_data);
803 SR_PRIV int sr_session_source_add(struct sr_session *session, int fd,
804 int events, int timeout, sr_receive_data_callback cb, void *cb_data);
805 SR_PRIV int sr_session_source_add_pollfd(struct sr_session *session,
806 GPollFD *pollfd, int timeout, sr_receive_data_callback cb,
808 SR_PRIV int sr_session_source_add_channel(struct sr_session *session,
809 GIOChannel *channel, int events, int timeout,
810 sr_receive_data_callback cb, void *cb_data);
811 SR_PRIV int sr_session_source_remove(struct sr_session *session, int fd);
812 SR_PRIV int sr_session_source_remove_pollfd(struct sr_session *session,
814 SR_PRIV int sr_session_source_remove_channel(struct sr_session *session,
815 GIOChannel *channel);
817 SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
818 const struct sr_datafeed_packet *packet);
819 SR_PRIV int sr_sessionfile_check(const char *filename);
820 SR_PRIV int sr_packet_copy(const struct sr_datafeed_packet *packet,
821 struct sr_datafeed_packet **copy);
822 SR_PRIV void sr_packet_free(struct sr_datafeed_packet *packet);
824 /*--- session_file.c --------------------------------------------------------*/
826 #if !HAVE_ZIP_DISCARD
827 /* Replace zip_discard() if not available. */
828 #define zip_discard(zip) sr_zip_discard(zip)
829 SR_PRIV void sr_zip_discard(struct zip *archive);
832 SR_PRIV GKeyFile *sr_sessionfile_read_metadata(struct zip *archive,
833 const struct zip_stat *entry);
835 /*--- analog.c --------------------------------------------------------------*/
837 SR_PRIV int sr_analog_init(struct sr_datafeed_analog *analog,
838 struct sr_analog_encoding *encoding,
839 struct sr_analog_meaning *meaning,
840 struct sr_analog_spec *spec,
843 /*--- std.c -----------------------------------------------------------------*/
845 typedef int (*dev_close_callback)(struct sr_dev_inst *sdi);
846 typedef void (*std_dev_clear_callback)(void *priv);
848 SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
850 #ifdef HAVE_LIBSERIALPORT
851 SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi);
852 SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
853 void *cb_data, dev_close_callback dev_close_fn,
854 struct sr_serial_dev_inst *serial, const char *prefix);
856 SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
858 SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
859 std_dev_clear_callback clear_private);
860 SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
862 /*--- resource.c ------------------------------------------------------------*/
864 SR_PRIV int64_t sr_file_get_size(FILE *file);
866 SR_PRIV int sr_resource_open(struct sr_context *ctx,
867 struct sr_resource *res, int type, const char *name)
868 G_GNUC_WARN_UNUSED_RESULT;
869 SR_PRIV int sr_resource_close(struct sr_context *ctx,
870 struct sr_resource *res);
871 SR_PRIV ssize_t sr_resource_read(struct sr_context *ctx,
872 const struct sr_resource *res, void *buf, size_t count)
873 G_GNUC_WARN_UNUSED_RESULT;
874 SR_PRIV void *sr_resource_load(struct sr_context *ctx, int type,
875 const char *name, size_t *size, size_t max_size)
876 G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
878 /*--- strutil.c -------------------------------------------------------------*/
880 SR_PRIV int sr_atol(const char *str, long *ret);
881 SR_PRIV int sr_atoi(const char *str, int *ret);
882 SR_PRIV int sr_atod(const char *str, double *ret);
883 SR_PRIV int sr_atof(const char *str, float *ret);
884 SR_PRIV int sr_atof_ascii(const char *str, float *ret);
886 /*--- soft-trigger.c --------------------------------------------------------*/
888 struct soft_trigger_logic {
889 const struct sr_dev_inst *sdi;
890 const struct sr_trigger *trigger;
894 uint8_t *prev_sample;
895 uint8_t *pre_trigger_buffer;
896 uint8_t *pre_trigger_head;
897 int pre_trigger_size;
898 int pre_trigger_fill;
901 SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new(
902 const struct sr_dev_inst *sdi, struct sr_trigger *trigger,
903 int pre_trigger_samples);
904 SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st);
905 SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf,
906 int len, int *pre_trigger_samples);
908 /*--- hardware/serial.c -----------------------------------------------------*/
910 #ifdef HAVE_LIBSERIALPORT
916 typedef gboolean (*packet_valid_callback)(const uint8_t *buf);
918 SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
919 SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
920 SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
921 SR_PRIV int serial_drain(struct sr_serial_dev_inst *serial);
922 SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
923 const void *buf, size_t count, unsigned int timeout_ms);
924 SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
925 const void *buf, size_t count);
926 SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
927 size_t count, unsigned int timeout_ms);
928 SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
930 SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
931 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
932 SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
933 const char *paramstr);
934 SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
935 int *buflen, gint64 timeout_ms);
936 SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
937 uint8_t *buf, size_t *buflen,
939 packet_valid_callback is_valid,
940 uint64_t timeout_ms, int baudrate);
941 SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
942 const char **serial_options);
943 SR_PRIV int serial_source_add(struct sr_session *session,
944 struct sr_serial_dev_inst *serial, int events, int timeout,
945 sr_receive_data_callback cb, void *cb_data);
946 SR_PRIV int serial_source_remove(struct sr_session *session,
947 struct sr_serial_dev_inst *serial);
948 SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id);
949 SR_PRIV int serial_timeout(struct sr_serial_dev_inst *port, int num_bytes);
952 /*--- hardware/ezusb.c ------------------------------------------------------*/
954 #ifdef HAVE_LIBUSB_1_0
955 SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
956 SR_PRIV int ezusb_install_firmware(struct sr_context *ctx, libusb_device_handle *hdl,
958 SR_PRIV int ezusb_upload_firmware(struct sr_context *ctx, libusb_device *dev,
959 int configuration, const char *name);
962 /*--- hardware/usb.c --------------------------------------------------------*/
964 #ifdef HAVE_LIBUSB_1_0
965 SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
966 SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
967 SR_PRIV void sr_usb_close(struct sr_usb_dev_inst *usb);
968 SR_PRIV int usb_source_add(struct sr_session *session, struct sr_context *ctx,
969 int timeout, sr_receive_data_callback cb, void *cb_data);
970 SR_PRIV int usb_source_remove(struct sr_session *session, struct sr_context *ctx);
971 SR_PRIV int usb_get_port_path(libusb_device *dev, char *path, int path_len);
975 /*--- modbus/modbus.c -------------------------------------------------------*/
977 struct sr_modbus_dev_inst {
981 GSList *(*scan)(int modbusaddr);
982 int (*dev_inst_new)(void *priv, const char *resource,
983 char **params, const char *serialcomm, int modbusaddr);
984 int (*open)(void *priv);
985 int (*source_add)(struct sr_session *session, void *priv, int events,
986 int timeout, sr_receive_data_callback cb, void *cb_data);
987 int (*source_remove)(struct sr_session *session, void *priv);
988 int (*send)(void *priv, const uint8_t *buffer, int buffer_size);
989 int (*read_begin)(void *priv, uint8_t *function_code);
990 int (*read_data)(void *priv, uint8_t *buf, int maxlen);
991 int (*read_end)(void *priv);
992 int (*close)(void *priv);
993 void (*free)(void *priv);
994 unsigned int read_timeout_ms;
998 SR_PRIV GSList *sr_modbus_scan(struct drv_context *drvc, GSList *options,
999 struct sr_dev_inst *(*probe_device)(struct sr_modbus_dev_inst *modbus));
1000 SR_PRIV struct sr_modbus_dev_inst *modbus_dev_inst_new(const char *resource,
1001 const char *serialcomm, int modbusaddr);
1002 SR_PRIV int sr_modbus_open(struct sr_modbus_dev_inst *modbus);
1003 SR_PRIV int sr_modbus_source_add(struct sr_session *session,
1004 struct sr_modbus_dev_inst *modbus, int events, int timeout,
1005 sr_receive_data_callback cb, void *cb_data);
1006 SR_PRIV int sr_modbus_source_remove(struct sr_session *session,
1007 struct sr_modbus_dev_inst *modbus);
1008 SR_PRIV int sr_modbus_request(struct sr_modbus_dev_inst *modbus,
1009 uint8_t *request, int request_size);
1010 SR_PRIV int sr_modbus_reply(struct sr_modbus_dev_inst *modbus,
1011 uint8_t *reply, int reply_size);
1012 SR_PRIV int sr_modbus_request_reply(struct sr_modbus_dev_inst *modbus,
1013 uint8_t *request, int request_size,
1014 uint8_t *reply, int reply_size);
1015 SR_PRIV int sr_modbus_read_coils(struct sr_modbus_dev_inst *modbus,
1016 int address, int nb_coils, uint8_t *coils);
1017 SR_PRIV int sr_modbus_read_holding_registers(struct sr_modbus_dev_inst *modbus,
1018 int address, int nb_registers,
1019 uint16_t *registers);
1020 SR_PRIV int sr_modbus_write_coil(struct sr_modbus_dev_inst *modbus,
1021 int address, int value);
1022 SR_PRIV int sr_modbus_write_multiple_registers(struct sr_modbus_dev_inst*modbus,
1023 int address, int nb_registers,
1024 uint16_t *registers);
1025 SR_PRIV int sr_modbus_close(struct sr_modbus_dev_inst *modbus);
1026 SR_PRIV void sr_modbus_free(struct sr_modbus_dev_inst *modbus);
1028 /*--- hardware/dmm/es519xx.c ------------------------------------------------*/
1031 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
1032 * so always read 2 blocks at a time.
1034 #define ES519XX_11B_PACKET_SIZE (11 * 2)
1035 #define ES519XX_14B_PACKET_SIZE 14
1037 struct es519xx_info {
1038 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
1039 gboolean is_milli, is_resistance, is_continuity, is_diode;
1040 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
1041 gboolean is_temperature, is_celsius, is_fahrenheit;
1042 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
1043 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
1044 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
1045 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
1048 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
1051 SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
1052 SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
1053 struct sr_datafeed_analog_old *analog, void *info);
1054 SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf);
1055 SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf,
1056 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1057 SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
1058 SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
1059 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1060 SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
1061 SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
1062 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1063 SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
1064 SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
1065 struct sr_datafeed_analog_old *analog, void *info);
1066 SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
1067 SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
1068 struct sr_datafeed_analog_old *analog, void *info);
1069 SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
1070 SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
1071 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1073 /*--- hardware/dmm/fs9922.c -------------------------------------------------*/
1075 #define FS9922_PACKET_SIZE 14
1077 struct fs9922_info {
1078 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
1079 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
1080 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
1081 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
1082 gboolean is_celsius, is_fahrenheit;
1083 int bargraph_sign, bargraph_value;
1086 SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
1087 SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
1088 struct sr_datafeed_analog_old *analog, void *info);
1089 SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog_old *analog, void *info);
1091 /*--- hardware/dmm/fs9721.c -------------------------------------------------*/
1093 #define FS9721_PACKET_SIZE 14
1095 struct fs9721_info {
1096 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
1097 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
1098 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
1099 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
1102 SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
1103 SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
1104 struct sr_datafeed_analog_old *analog, void *info);
1105 SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1106 SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1107 SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1108 SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog_old *analog, void *info);
1109 SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog_old *analog, void *info);
1111 /*--- hardware/dmm/dtm0660.c ------------------------------------------------*/
1113 #define DTM0660_PACKET_SIZE 15
1115 struct dtm0660_info {
1116 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
1117 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
1118 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
1119 gboolean is_degf, is_degc, is_c2c1_01, is_c2c1_00, is_apo, is_min;
1120 gboolean is_minmax, is_max, is_sign;
1123 SR_PRIV gboolean sr_dtm0660_packet_valid(const uint8_t *buf);
1124 SR_PRIV int sr_dtm0660_parse(const uint8_t *buf, float *floatval,
1125 struct sr_datafeed_analog_old *analog, void *info);
1127 /*--- hardware/dmm/m2110.c --------------------------------------------------*/
1129 #define BBCGM_M2110_PACKET_SIZE 9
1131 SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf);
1132 SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval,
1133 struct sr_datafeed_analog_old *analog, void *info);
1135 /*--- hardware/dmm/metex14.c ------------------------------------------------*/
1137 #define METEX14_PACKET_SIZE 14
1139 struct metex14_info {
1140 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
1141 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
1142 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
1143 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
1144 gboolean is_unitless, is_logic;
1147 #ifdef HAVE_LIBSERIALPORT
1148 SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
1150 SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
1151 SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
1152 struct sr_datafeed_analog_old *analog, void *info);
1154 /*--- hardware/dmm/rs9lcd.c -------------------------------------------------*/
1156 #define RS9LCD_PACKET_SIZE 9
1158 /* Dummy info struct. The parser does not use it. */
1159 struct rs9lcd_info { int dummy; };
1161 SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
1162 SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
1163 struct sr_datafeed_analog_old *analog, void *info);
1165 /*--- hardware/dmm/bm25x.c --------------------------------------------------*/
1167 #define BRYMEN_BM25X_PACKET_SIZE 15
1169 /* Dummy info struct. The parser does not use it. */
1170 struct bm25x_info { int dummy; };
1172 SR_PRIV gboolean sr_brymen_bm25x_packet_valid(const uint8_t *buf);
1173 SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval,
1174 struct sr_datafeed_analog_old *analog, void *info);
1176 /*--- hardware/dmm/ut71x.c --------------------------------------------------*/
1178 #define UT71X_PACKET_SIZE 11
1181 gboolean is_voltage, is_resistance, is_capacitance, is_temperature;
1182 gboolean is_celsius, is_fahrenheit, is_current, is_continuity;
1183 gboolean is_diode, is_frequency, is_duty_cycle, is_dc, is_ac;
1184 gboolean is_auto, is_manual, is_sign, is_power, is_loop_current;
1187 SR_PRIV gboolean sr_ut71x_packet_valid(const uint8_t *buf);
1188 SR_PRIV int sr_ut71x_parse(const uint8_t *buf, float *floatval,
1189 struct sr_datafeed_analog_old *analog, void *info);
1191 /*--- hardware/dmm/vc870.c --------------------------------------------------*/
1193 #define VC870_PACKET_SIZE 23
1196 gboolean is_voltage, is_dc, is_ac, is_temperature, is_resistance;
1197 gboolean is_continuity, is_capacitance, is_diode, is_loop_current;
1198 gboolean is_current, is_micro, is_milli, is_power;
1199 gboolean is_power_factor_freq, is_power_apparent_power, is_v_a_eff_value;
1200 gboolean is_sign2, is_sign1, is_batt, is_ol1, is_max, is_min;
1201 gboolean is_maxmin, is_rel, is_ol2, is_open, is_manu, is_hold;
1202 gboolean is_light, is_usb, is_warning, is_auto_power, is_misplug_warn;
1203 gboolean is_lo, is_hi, is_open2;
1205 gboolean is_frequency, is_dual_display, is_auto, is_rms;
1208 SR_PRIV gboolean sr_vc870_packet_valid(const uint8_t *buf);
1209 SR_PRIV int sr_vc870_parse(const uint8_t *buf, float *floatval,
1210 struct sr_datafeed_analog_old *analog, void *info);
1212 /*--- hardware/lcr/es51919.c ------------------------------------------------*/
1214 SR_PRIV void es51919_serial_clean(void *priv);
1215 SR_PRIV struct sr_dev_inst *es51919_serial_scan(GSList *options,
1218 SR_PRIV int es51919_serial_config_get(uint32_t key, GVariant **data,
1219 const struct sr_dev_inst *sdi,
1220 const struct sr_channel_group *cg);
1221 SR_PRIV int es51919_serial_config_set(uint32_t key, GVariant *data,
1222 const struct sr_dev_inst *sdi,
1223 const struct sr_channel_group *cg);
1224 SR_PRIV int es51919_serial_config_list(uint32_t key, GVariant **data,
1225 const struct sr_dev_inst *sdi,
1226 const struct sr_channel_group *cg);
1227 SR_PRIV int es51919_serial_acquisition_start(const struct sr_dev_inst *sdi,
1229 SR_PRIV int es51919_serial_acquisition_stop(struct sr_dev_inst *sdi,
1232 /*--- hardware/dmm/ut372.c --------------------------------------------------*/
1234 #define UT372_PACKET_SIZE 27
1240 SR_PRIV gboolean sr_ut372_packet_valid(const uint8_t *buf);
1241 SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
1242 struct sr_datafeed_analog_old *analog, void *info);
1244 /*--- hardware/scale/kern.c -------------------------------------------------*/
1247 gboolean is_gram, is_carat, is_ounce, is_pound, is_troy_ounce;
1248 gboolean is_pennyweight, is_grain, is_tael, is_momme, is_tola;
1249 gboolean is_percentage, is_piece, is_unstable, is_stable, is_error;
1253 SR_PRIV gboolean sr_kern_packet_valid(const uint8_t *buf);
1254 SR_PRIV int sr_kern_parse(const uint8_t *buf, float *floatval,
1255 struct sr_datafeed_analog_old *analog, void *info);