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 * Reset the input module's input handling structures.
407 * Causes the input module to reset its internal state so that we can
408 * re-send the input data from the beginning without having to
409 * re-create the entire input module.
411 * @retval SR_OK Success.
412 * @retval other Negative error code.
414 int (*reset) (struct sr_input *in);
417 * This function is called after the caller is finished using
418 * the input module, and can be used to free any internal
419 * resources the module may keep.
421 * This function is optional.
423 * @retval SR_OK Success
424 * @retval other Negative error code.
426 void (*cleanup) (struct sr_input *in);
429 /** Output module instance. */
431 /** A pointer to this output's module. */
432 const struct sr_output_module *module;
435 * The device for which this output module is creating output. This
436 * can be used by the module to find out channel names and numbers.
438 const struct sr_dev_inst *sdi;
441 * The name of the file that the data should be written to.
443 const char *filename;
446 * A generic pointer which can be used by the module to keep internal
447 * state between calls into its callback functions.
449 * For example, the module might store a pointer to a chunk of output
450 * there, and only flush it when it reaches a certain size.
455 /** Output module driver. */
456 struct sr_output_module {
458 * A unique ID for this output module, suitable for use in command-line
459 * clients, [a-z0-9-]. Must not be NULL.
464 * A unique name for this output module, suitable for use in GUI
465 * clients, can contain UTF-8. Must not be NULL.
470 * A short description of the output module. Must not be NULL.
472 * This can be displayed by frontends, e.g. when selecting the output
473 * module for saving a file.
478 * A NULL terminated array of strings containing a list of file name
479 * extensions typical for the input file format, or NULL if there is
480 * no typical extension for this file format.
482 const char *const *exts;
485 * Bitfield containing flags that describe certain properties
486 * this output module may or may not have.
487 * @see sr_output_flags
489 const uint64_t flags;
492 * Returns a NULL-terminated list of options this module can take.
493 * Can be NULL, if the module has no options.
495 const struct sr_option *(*options) (void);
498 * This function is called once, at the beginning of an output stream.
500 * The device struct will be available in the output struct passed in,
501 * as well as the param field -- which may be NULL or an empty string,
502 * if no parameter was passed.
504 * The module can use this to initialize itself, create a struct for
505 * keeping state and storing it in the <code>internal</code> field.
507 * @param o Pointer to the respective 'struct sr_output'.
509 * @retval SR_OK Success
510 * @retval other Negative error code.
512 int (*init) (struct sr_output *o, GHashTable *options);
515 * This function is passed a copy of every packet in the data feed.
516 * Any output generated by the output module in response to the
517 * packet should be returned in a newly allocated GString
518 * <code>out</code>, which will be freed by the caller.
520 * Packets not of interest to the output module can just be ignored,
521 * and the <code>out</code> parameter set to NULL.
523 * @param o Pointer to the respective 'struct sr_output'.
524 * @param sdi The device instance that generated the packet.
525 * @param packet The complete packet.
526 * @param out A pointer where a GString * should be stored if
527 * the module generates output, or NULL if not.
529 * @retval SR_OK Success
530 * @retval other Negative error code.
532 int (*receive) (const struct sr_output *o,
533 const struct sr_datafeed_packet *packet, GString **out);
536 * This function is called after the caller is finished using
537 * the output module, and can be used to free any internal
538 * resources the module may keep.
540 * @retval SR_OK Success
541 * @retval other Negative error code.
543 int (*cleanup) (struct sr_output *o);
546 /** Transform module instance. */
547 struct sr_transform {
548 /** A pointer to this transform's module. */
549 const struct sr_transform_module *module;
552 * The device for which this transform module is used. This
553 * can be used by the module to find out channel names and numbers.
555 const struct sr_dev_inst *sdi;
558 * A generic pointer which can be used by the module to keep internal
559 * state between calls into its callback functions.
564 struct sr_transform_module {
566 * A unique ID for this transform module, suitable for use in
567 * command-line clients, [a-z0-9-]. Must not be NULL.
572 * A unique name for this transform module, suitable for use in GUI
573 * clients, can contain UTF-8. Must not be NULL.
578 * A short description of the transform module. Must not be NULL.
580 * This can be displayed by frontends, e.g. when selecting
581 * which transform module(s) to add.
586 * Returns a NULL-terminated list of options this transform module
587 * can take. Can be NULL, if the transform module has no options.
589 const struct sr_option *(*options) (void);
592 * This function is called once, at the beginning of a stream.
594 * @param t Pointer to the respective 'struct sr_transform'.
595 * @param options Hash table of options for this transform module.
596 * Can be NULL if no options are to be used.
598 * @retval SR_OK Success
599 * @retval other Negative error code.
601 int (*init) (struct sr_transform *t, GHashTable *options);
604 * This function is passed a pointer to every packet in the data feed.
606 * It can either return (in packet_out) a pointer to another packet
607 * (possibly the exact same packet it got as input), or NULL.
609 * @param t Pointer to the respective 'struct sr_transform'.
610 * @param packet_in Pointer to a datafeed packet.
611 * @param packet_out Pointer to the resulting datafeed packet after
612 * this function was run. If NULL, the transform
613 * module intentionally didn't output a new packet.
615 * @retval SR_OK Success
616 * @retval other Negative error code.
618 int (*receive) (const struct sr_transform *t,
619 struct sr_datafeed_packet *packet_in,
620 struct sr_datafeed_packet **packet_out);
623 * This function is called after the caller is finished using
624 * the transform module, and can be used to free any internal
625 * resources the module may keep.
627 * @retval SR_OK Success
628 * @retval other Negative error code.
630 int (*cleanup) (struct sr_transform *t);
633 #ifdef HAVE_LIBUSB_1_0
634 /** USB device instance */
635 struct sr_usb_dev_inst {
638 /** Device address on USB bus */
640 /** libusb device handle */
641 struct libusb_device_handle *devhdl;
645 #ifdef HAVE_LIBSERIALPORT
646 struct sr_serial_dev_inst {
647 /** Port name, e.g. '/dev/tty42'. */
649 /** Comm params for serial_set_paramstr(). */
651 /** libserialport port handle */
652 struct sp_port *data;
656 struct sr_usbtmc_dev_inst {
661 /* Private driver context. */
663 /** sigrok context */
664 struct sr_context *sr_ctx;
668 /*--- log.c -----------------------------------------------------------------*/
670 #if defined(G_OS_WIN32) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
672 * On MinGW, we need to specify the gnu_printf format flavor or GCC
673 * will assume non-standard Microsoft printf syntax.
675 SR_PRIV int sr_log(int loglevel, const char *format, ...)
676 __attribute__((__format__ (__gnu_printf__, 2, 3)));
678 SR_PRIV int sr_log(int loglevel, const char *format, ...) G_GNUC_PRINTF(2, 3);
681 /* Message logging helpers with subsystem-specific prefix string. */
682 #define sr_spew(...) sr_log(SR_LOG_SPEW, LOG_PREFIX ": " __VA_ARGS__)
683 #define sr_dbg(...) sr_log(SR_LOG_DBG, LOG_PREFIX ": " __VA_ARGS__)
684 #define sr_info(...) sr_log(SR_LOG_INFO, LOG_PREFIX ": " __VA_ARGS__)
685 #define sr_warn(...) sr_log(SR_LOG_WARN, LOG_PREFIX ": " __VA_ARGS__)
686 #define sr_err(...) sr_log(SR_LOG_ERR, LOG_PREFIX ": " __VA_ARGS__)
688 /*--- device.c --------------------------------------------------------------*/
690 /** Scan options supported by a driver. */
691 #define SR_CONF_SCAN_OPTIONS 0x7FFF0000
693 /** Device options for a particular device. */
694 #define SR_CONF_DEVICE_OPTIONS 0x7FFF0001
696 /** Mask for separating config keys from capabilities. */
697 #define SR_CONF_MASK 0x1fffffff
699 /** Values for the changes argument of sr_dev_driver.config_channel_set. */
701 /** The enabled state of the channel has been changed. */
702 SR_CHANNEL_SET_ENABLED = 1 << 0,
705 SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
706 int index, int type, gboolean enabled, const char *name);
707 SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
708 struct sr_channel *cur_channel);
710 /** Device instance data */
712 /** Device driver. */
713 struct sr_dev_driver *driver;
714 /** Device instance status. SR_ST_NOT_FOUND, etc. */
716 /** Device instance type. SR_INST_USB, etc. */
718 /** Device vendor. */
722 /** Device version. */
724 /** Serial number. */
726 /** Connection string to uniquely identify devices. */
728 /** List of channels. */
730 /** List of sr_channel_group structs */
731 GSList *channel_groups;
732 /** Device instance connection data (used?) */
734 /** Device instance private data (used?) */
736 /** Session to which this device is currently assigned. */
737 struct sr_session *session;
740 /* Generic device instances */
741 SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
743 #ifdef HAVE_LIBUSB_1_0
744 /* USB-specific instances */
745 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
746 uint8_t address, struct libusb_device_handle *hdl);
747 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
750 #ifdef HAVE_LIBSERIALPORT
751 /* Serial-specific instances */
752 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
753 const char *serialcomm);
754 SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
757 /* USBTMC-specific instances */
758 SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
759 SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
761 /*--- hwdriver.c ------------------------------------------------------------*/
763 extern SR_PRIV struct sr_dev_driver **drivers_lists[];
765 SR_PRIV const GVariantType *sr_variant_type_get(int datatype);
766 SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *data);
767 SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx);
768 SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data);
769 SR_PRIV void sr_config_free(struct sr_config *src);
771 /*--- session.c -------------------------------------------------------------*/
774 /** Context this session exists in. */
775 struct sr_context *ctx;
776 /** List of struct sr_dev_inst pointers. */
778 /** List of struct sr_dev_inst pointers owned by this session. */
780 /** List of struct datafeed_callback pointers. */
781 GSList *datafeed_callbacks;
783 struct sr_trigger *trigger;
785 /** Callback to invoke on session stop. */
786 sr_session_stopped_callback stopped_callback;
787 /** User data to be passed to the session stop callback. */
788 void *stopped_cb_data;
790 /** Mutex protecting the main context pointer. */
792 /** Context of the session main loop. */
793 GMainContext *main_context;
795 /** Registered event sources for this session. */
796 GHashTable *event_sources;
797 /** Session main loop. */
798 GMainLoop *main_loop;
799 /** ID of idle source for dispatching the session stop notification. */
800 unsigned int stop_check_id;
801 /** Whether the session has been started. */
805 SR_PRIV int sr_session_source_add_internal(struct sr_session *session,
806 void *key, GSource *source);
807 SR_PRIV int sr_session_source_remove_internal(struct sr_session *session,
809 SR_PRIV int sr_session_source_destroyed(struct sr_session *session,
810 void *key, GSource *source);
811 SR_PRIV int sr_session_fd_source_add(struct sr_session *session,
812 void *key, gintptr fd, int events, int timeout,
813 sr_receive_data_callback cb, void *cb_data);
815 SR_PRIV int sr_session_source_add(struct sr_session *session, int fd,
816 int events, int timeout, sr_receive_data_callback cb, void *cb_data);
817 SR_PRIV int sr_session_source_add_pollfd(struct sr_session *session,
818 GPollFD *pollfd, int timeout, sr_receive_data_callback cb,
820 SR_PRIV int sr_session_source_add_channel(struct sr_session *session,
821 GIOChannel *channel, int events, int timeout,
822 sr_receive_data_callback cb, void *cb_data);
823 SR_PRIV int sr_session_source_remove(struct sr_session *session, int fd);
824 SR_PRIV int sr_session_source_remove_pollfd(struct sr_session *session,
826 SR_PRIV int sr_session_source_remove_channel(struct sr_session *session,
827 GIOChannel *channel);
829 SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
830 const struct sr_datafeed_packet *packet);
831 SR_PRIV int sr_sessionfile_check(const char *filename);
832 SR_PRIV struct sr_dev_inst *sr_session_prepare_sdi(const char *filename,
833 struct sr_session **session);
834 SR_PRIV int sr_packet_copy(const struct sr_datafeed_packet *packet,
835 struct sr_datafeed_packet **copy);
836 SR_PRIV void sr_packet_free(struct sr_datafeed_packet *packet);
838 /*--- session_file.c --------------------------------------------------------*/
840 #if !HAVE_ZIP_DISCARD
841 /* Replace zip_discard() if not available. */
842 #define zip_discard(zip) sr_zip_discard(zip)
843 SR_PRIV void sr_zip_discard(struct zip *archive);
846 SR_PRIV GKeyFile *sr_sessionfile_read_metadata(struct zip *archive,
847 const struct zip_stat *entry);
849 /*--- analog.c --------------------------------------------------------------*/
851 SR_PRIV int sr_analog_init(struct sr_datafeed_analog *analog,
852 struct sr_analog_encoding *encoding,
853 struct sr_analog_meaning *meaning,
854 struct sr_analog_spec *spec,
857 /*--- std.c -----------------------------------------------------------------*/
859 typedef int (*dev_close_callback)(struct sr_dev_inst *sdi);
860 typedef void (*std_dev_clear_callback)(void *priv);
862 SR_PRIV int std_init(struct sr_dev_driver *di, struct sr_context *sr_ctx);
863 SR_PRIV int std_cleanup(const struct sr_dev_driver *di);
864 #ifdef HAVE_LIBSERIALPORT
865 SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi);
866 SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
867 dev_close_callback dev_close_fn,
868 struct sr_serial_dev_inst *serial, const char *prefix);
870 SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
872 SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi,
874 SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
875 std_dev_clear_callback clear_private);
876 SR_PRIV GSList *std_dev_list(const struct sr_dev_driver *di);
877 SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
879 /*--- resource.c ------------------------------------------------------------*/
881 SR_PRIV int64_t sr_file_get_size(FILE *file);
883 SR_PRIV int sr_resource_open(struct sr_context *ctx,
884 struct sr_resource *res, int type, const char *name)
885 G_GNUC_WARN_UNUSED_RESULT;
886 SR_PRIV int sr_resource_close(struct sr_context *ctx,
887 struct sr_resource *res);
888 SR_PRIV gssize sr_resource_read(struct sr_context *ctx,
889 const struct sr_resource *res, void *buf, size_t count)
890 G_GNUC_WARN_UNUSED_RESULT;
891 SR_PRIV void *sr_resource_load(struct sr_context *ctx, int type,
892 const char *name, size_t *size, size_t max_size)
893 G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
895 /*--- strutil.c -------------------------------------------------------------*/
897 SR_PRIV int sr_atol(const char *str, long *ret);
898 SR_PRIV int sr_atoi(const char *str, int *ret);
899 SR_PRIV int sr_atod(const char *str, double *ret);
900 SR_PRIV int sr_atof(const char *str, float *ret);
901 SR_PRIV int sr_atof_ascii(const char *str, float *ret);
903 /*--- soft-trigger.c --------------------------------------------------------*/
905 struct soft_trigger_logic {
906 const struct sr_dev_inst *sdi;
907 const struct sr_trigger *trigger;
911 uint8_t *prev_sample;
912 uint8_t *pre_trigger_buffer;
913 uint8_t *pre_trigger_head;
914 int pre_trigger_size;
915 int pre_trigger_fill;
918 SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new(
919 const struct sr_dev_inst *sdi, struct sr_trigger *trigger,
920 int pre_trigger_samples);
921 SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st);
922 SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf,
923 int len, int *pre_trigger_samples);
925 /*--- hardware/serial.c -----------------------------------------------------*/
927 #ifdef HAVE_LIBSERIALPORT
933 typedef gboolean (*packet_valid_callback)(const uint8_t *buf);
935 SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
936 SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
937 SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
938 SR_PRIV int serial_drain(struct sr_serial_dev_inst *serial);
939 SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
940 const void *buf, size_t count, unsigned int timeout_ms);
941 SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
942 const void *buf, size_t count);
943 SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
944 size_t count, unsigned int timeout_ms);
945 SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
947 SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
948 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
949 SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
950 const char *paramstr);
951 SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
952 int *buflen, gint64 timeout_ms);
953 SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
954 uint8_t *buf, size_t *buflen,
956 packet_valid_callback is_valid,
957 uint64_t timeout_ms, int baudrate);
958 SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
959 const char **serial_options);
960 SR_PRIV int serial_source_add(struct sr_session *session,
961 struct sr_serial_dev_inst *serial, int events, int timeout,
962 sr_receive_data_callback cb, void *cb_data);
963 SR_PRIV int serial_source_remove(struct sr_session *session,
964 struct sr_serial_dev_inst *serial);
965 SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id);
966 SR_PRIV int serial_timeout(struct sr_serial_dev_inst *port, int num_bytes);
969 /*--- hardware/ezusb.c ------------------------------------------------------*/
971 #ifdef HAVE_LIBUSB_1_0
972 SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
973 SR_PRIV int ezusb_install_firmware(struct sr_context *ctx, libusb_device_handle *hdl,
975 SR_PRIV int ezusb_upload_firmware(struct sr_context *ctx, libusb_device *dev,
976 int configuration, const char *name);
979 /*--- hardware/usb.c --------------------------------------------------------*/
981 #ifdef HAVE_LIBUSB_1_0
982 SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
983 SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
984 SR_PRIV void sr_usb_close(struct sr_usb_dev_inst *usb);
985 SR_PRIV int usb_source_add(struct sr_session *session, struct sr_context *ctx,
986 int timeout, sr_receive_data_callback cb, void *cb_data);
987 SR_PRIV int usb_source_remove(struct sr_session *session, struct sr_context *ctx);
988 SR_PRIV int usb_get_port_path(libusb_device *dev, char *path, int path_len);
992 /*--- modbus/modbus.c -------------------------------------------------------*/
994 struct sr_modbus_dev_inst {
998 GSList *(*scan)(int modbusaddr);
999 int (*dev_inst_new)(void *priv, const char *resource,
1000 char **params, const char *serialcomm, int modbusaddr);
1001 int (*open)(void *priv);
1002 int (*source_add)(struct sr_session *session, void *priv, int events,
1003 int timeout, sr_receive_data_callback cb, void *cb_data);
1004 int (*source_remove)(struct sr_session *session, void *priv);
1005 int (*send)(void *priv, const uint8_t *buffer, int buffer_size);
1006 int (*read_begin)(void *priv, uint8_t *function_code);
1007 int (*read_data)(void *priv, uint8_t *buf, int maxlen);
1008 int (*read_end)(void *priv);
1009 int (*close)(void *priv);
1010 void (*free)(void *priv);
1011 unsigned int read_timeout_ms;
1015 SR_PRIV GSList *sr_modbus_scan(struct drv_context *drvc, GSList *options,
1016 struct sr_dev_inst *(*probe_device)(struct sr_modbus_dev_inst *modbus));
1017 SR_PRIV struct sr_modbus_dev_inst *modbus_dev_inst_new(const char *resource,
1018 const char *serialcomm, int modbusaddr);
1019 SR_PRIV int sr_modbus_open(struct sr_modbus_dev_inst *modbus);
1020 SR_PRIV int sr_modbus_source_add(struct sr_session *session,
1021 struct sr_modbus_dev_inst *modbus, int events, int timeout,
1022 sr_receive_data_callback cb, void *cb_data);
1023 SR_PRIV int sr_modbus_source_remove(struct sr_session *session,
1024 struct sr_modbus_dev_inst *modbus);
1025 SR_PRIV int sr_modbus_request(struct sr_modbus_dev_inst *modbus,
1026 uint8_t *request, int request_size);
1027 SR_PRIV int sr_modbus_reply(struct sr_modbus_dev_inst *modbus,
1028 uint8_t *reply, int reply_size);
1029 SR_PRIV int sr_modbus_request_reply(struct sr_modbus_dev_inst *modbus,
1030 uint8_t *request, int request_size,
1031 uint8_t *reply, int reply_size);
1032 SR_PRIV int sr_modbus_read_coils(struct sr_modbus_dev_inst *modbus,
1033 int address, int nb_coils, uint8_t *coils);
1034 SR_PRIV int sr_modbus_read_holding_registers(struct sr_modbus_dev_inst *modbus,
1035 int address, int nb_registers,
1036 uint16_t *registers);
1037 SR_PRIV int sr_modbus_write_coil(struct sr_modbus_dev_inst *modbus,
1038 int address, int value);
1039 SR_PRIV int sr_modbus_write_multiple_registers(struct sr_modbus_dev_inst*modbus,
1040 int address, int nb_registers,
1041 uint16_t *registers);
1042 SR_PRIV int sr_modbus_close(struct sr_modbus_dev_inst *modbus);
1043 SR_PRIV void sr_modbus_free(struct sr_modbus_dev_inst *modbus);
1045 /*--- hardware/dmm/es519xx.c ------------------------------------------------*/
1048 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
1049 * so always read 2 blocks at a time.
1051 #define ES519XX_11B_PACKET_SIZE (11 * 2)
1052 #define ES519XX_14B_PACKET_SIZE 14
1054 struct es519xx_info {
1055 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
1056 gboolean is_milli, is_resistance, is_continuity, is_diode;
1057 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
1058 gboolean is_temperature, is_celsius, is_fahrenheit;
1059 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
1060 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
1061 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
1062 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
1065 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
1068 SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
1069 SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
1070 struct sr_datafeed_analog_old *analog, void *info);
1071 SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf);
1072 SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf,
1073 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1074 SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
1075 SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
1076 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1077 SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
1078 SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
1079 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1080 SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
1081 SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
1082 struct sr_datafeed_analog_old *analog, void *info);
1083 SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
1084 SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
1085 struct sr_datafeed_analog_old *analog, void *info);
1086 SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
1087 SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
1088 float *floatval, struct sr_datafeed_analog_old *analog, void *info);
1090 /*--- hardware/dmm/fs9922.c -------------------------------------------------*/
1092 #define FS9922_PACKET_SIZE 14
1094 struct fs9922_info {
1095 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
1096 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
1097 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
1098 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
1099 gboolean is_celsius, is_fahrenheit;
1100 int bargraph_sign, bargraph_value;
1103 SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
1104 SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
1105 struct sr_datafeed_analog_old *analog, void *info);
1106 SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog_old *analog, void *info);
1108 /*--- hardware/dmm/fs9721.c -------------------------------------------------*/
1110 #define FS9721_PACKET_SIZE 14
1112 struct fs9721_info {
1113 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
1114 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
1115 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
1116 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
1119 SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
1120 SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
1121 struct sr_datafeed_analog_old *analog, void *info);
1122 SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1123 SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1124 SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog_old *analog, void *info);
1125 SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog_old *analog, void *info);
1126 SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog_old *analog, void *info);
1128 /*--- hardware/dmm/dtm0660.c ------------------------------------------------*/
1130 #define DTM0660_PACKET_SIZE 15
1132 struct dtm0660_info {
1133 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
1134 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
1135 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
1136 gboolean is_degf, is_degc, is_c2c1_01, is_c2c1_00, is_apo, is_min;
1137 gboolean is_minmax, is_max, is_sign;
1140 SR_PRIV gboolean sr_dtm0660_packet_valid(const uint8_t *buf);
1141 SR_PRIV int sr_dtm0660_parse(const uint8_t *buf, float *floatval,
1142 struct sr_datafeed_analog_old *analog, void *info);
1144 /*--- hardware/dmm/m2110.c --------------------------------------------------*/
1146 #define BBCGM_M2110_PACKET_SIZE 9
1148 SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf);
1149 SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval,
1150 struct sr_datafeed_analog_old *analog, void *info);
1152 /*--- hardware/dmm/metex14.c ------------------------------------------------*/
1154 #define METEX14_PACKET_SIZE 14
1156 struct metex14_info {
1157 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
1158 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
1159 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
1160 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
1161 gboolean is_unitless, is_logic;
1164 #ifdef HAVE_LIBSERIALPORT
1165 SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
1167 SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
1168 SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
1169 struct sr_datafeed_analog_old *analog, void *info);
1171 /*--- hardware/dmm/rs9lcd.c -------------------------------------------------*/
1173 #define RS9LCD_PACKET_SIZE 9
1175 /* Dummy info struct. The parser does not use it. */
1176 struct rs9lcd_info { int dummy; };
1178 SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
1179 SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
1180 struct sr_datafeed_analog_old *analog, void *info);
1182 /*--- hardware/dmm/bm25x.c --------------------------------------------------*/
1184 #define BRYMEN_BM25X_PACKET_SIZE 15
1186 /* Dummy info struct. The parser does not use it. */
1187 struct bm25x_info { int dummy; };
1189 SR_PRIV gboolean sr_brymen_bm25x_packet_valid(const uint8_t *buf);
1190 SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval,
1191 struct sr_datafeed_analog_old *analog, void *info);
1193 /*--- hardware/dmm/ut71x.c --------------------------------------------------*/
1195 #define UT71X_PACKET_SIZE 11
1198 gboolean is_voltage, is_resistance, is_capacitance, is_temperature;
1199 gboolean is_celsius, is_fahrenheit, is_current, is_continuity;
1200 gboolean is_diode, is_frequency, is_duty_cycle, is_dc, is_ac;
1201 gboolean is_auto, is_manual, is_sign, is_power, is_loop_current;
1204 SR_PRIV gboolean sr_ut71x_packet_valid(const uint8_t *buf);
1205 SR_PRIV int sr_ut71x_parse(const uint8_t *buf, float *floatval,
1206 struct sr_datafeed_analog_old *analog, void *info);
1208 /*--- hardware/dmm/vc870.c --------------------------------------------------*/
1210 #define VC870_PACKET_SIZE 23
1213 gboolean is_voltage, is_dc, is_ac, is_temperature, is_resistance;
1214 gboolean is_continuity, is_capacitance, is_diode, is_loop_current;
1215 gboolean is_current, is_micro, is_milli, is_power;
1216 gboolean is_power_factor_freq, is_power_apparent_power, is_v_a_rms_value;
1217 gboolean is_sign2, is_sign1, is_batt, is_ol1, is_max, is_min;
1218 gboolean is_maxmin, is_rel, is_ol2, is_open, is_manu, is_hold;
1219 gboolean is_light, is_usb, is_warning, is_auto_power, is_misplug_warn;
1220 gboolean is_lo, is_hi, is_open2;
1222 gboolean is_frequency, is_dual_display, is_auto;
1225 SR_PRIV gboolean sr_vc870_packet_valid(const uint8_t *buf);
1226 SR_PRIV int sr_vc870_parse(const uint8_t *buf, float *floatval,
1227 struct sr_datafeed_analog_old *analog, void *info);
1229 /*--- hardware/lcr/es51919.c ------------------------------------------------*/
1231 SR_PRIV void es51919_serial_clean(void *priv);
1232 SR_PRIV struct sr_dev_inst *es51919_serial_scan(GSList *options,
1235 SR_PRIV int es51919_serial_config_get(uint32_t key, GVariant **data,
1236 const struct sr_dev_inst *sdi,
1237 const struct sr_channel_group *cg);
1238 SR_PRIV int es51919_serial_config_set(uint32_t key, GVariant *data,
1239 const struct sr_dev_inst *sdi,
1240 const struct sr_channel_group *cg);
1241 SR_PRIV int es51919_serial_config_list(uint32_t key, GVariant **data,
1242 const struct sr_dev_inst *sdi,
1243 const struct sr_channel_group *cg);
1244 SR_PRIV int es51919_serial_acquisition_start(const struct sr_dev_inst *sdi);
1245 SR_PRIV int es51919_serial_acquisition_stop(struct sr_dev_inst *sdi);
1247 /*--- hardware/dmm/ut372.c --------------------------------------------------*/
1249 #define UT372_PACKET_SIZE 27
1255 SR_PRIV gboolean sr_ut372_packet_valid(const uint8_t *buf);
1256 SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
1257 struct sr_datafeed_analog_old *analog, void *info);
1259 /*--- hardware/scale/kern.c -------------------------------------------------*/
1262 gboolean is_gram, is_carat, is_ounce, is_pound, is_troy_ounce;
1263 gboolean is_pennyweight, is_grain, is_tael, is_momme, is_tola;
1264 gboolean is_percentage, is_piece, is_unstable, is_stable, is_error;
1268 SR_PRIV gboolean sr_kern_packet_valid(const uint8_t *buf);
1269 SR_PRIV int sr_kern_parse(const uint8_t *buf, float *floatval,
1270 struct sr_datafeed_analog_old *analog, void *info);
1272 /*--- sw_limits.c -----------------------------------------------------------*/
1274 struct sr_sw_limits {
1275 uint64_t limit_samples;
1276 uint64_t limit_msec;
1277 uint64_t samples_read;
1278 uint64_t start_time;
1281 SR_PRIV int sr_sw_limits_config_get(struct sr_sw_limits *limits, uint32_t key,
1283 SR_PRIV int sr_sw_limits_config_set(struct sr_sw_limits *limits, uint32_t key,
1285 SR_PRIV void sr_sw_limits_acquisition_start(struct sr_sw_limits *limits);
1286 SR_PRIV gboolean sr_sw_limits_check(struct sr_sw_limits *limits);
1287 SR_PRIV void sr_sw_limits_update_samples_read(struct sr_sw_limits *limits,
1288 uint64_t samples_read);
1289 SR_PRIV void sr_sw_limits_init(struct sr_sw_limits *limits);