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
29 #include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */
30 #ifdef HAVE_LIBUSB_1_0
33 #ifdef HAVE_LIBSERIALPORT
34 #include <libserialport.h>
40 * libsigrok private header file, only to be used internally.
43 /*--- Macros ----------------------------------------------------------------*/
46 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
49 #ifndef ARRAY_AND_SIZE
50 #define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
54 * Read a 8 bits unsigned integer out of memory.
55 * @param x a pointer to the input memory
56 * @return the corresponding unsigned integer
58 #define R8(x) ((unsigned)((const uint8_t*)(x))[0])
61 * Read a 16 bits big endian unsigned integer out of memory.
62 * @param x a pointer to the input memory
63 * @return the corresponding unsigned integer
65 #define RB16(x) (((unsigned)((const uint8_t*)(x))[0] << 8) | \
66 (unsigned)((const uint8_t*)(x))[1])
69 * Read a 16 bits little endian unsigned integer out of memory.
70 * @param x a pointer to the input memory
71 * @return the corresponding unsigned integer
73 #define RL16(x) (((unsigned)((const uint8_t*)(x))[1] << 8) | \
74 (unsigned)((const uint8_t*)(x))[0])
77 * Read a 16 bits little endian signed integer out of memory.
78 * @param x a pointer to the input memory
79 * @return the corresponding signed integer
81 #define RL16S(x) ((int16_t) \
82 (((unsigned)((const uint8_t*)(x))[1] << 8) | \
83 (unsigned)((const uint8_t*)(x))[0]))
86 * Read a 32 bits big endian unsigned integer out of memory.
87 * @param x a pointer to the input memory
88 * @return the corresponding unsigned integer
90 #define RB32(x) (((unsigned)((const uint8_t*)(x))[0] << 24) | \
91 ((unsigned)((const uint8_t*)(x))[1] << 16) | \
92 ((unsigned)((const uint8_t*)(x))[2] << 8) | \
93 (unsigned)((const uint8_t*)(x))[3])
96 * Read a 32 bits little endian unsigned integer out of memory.
97 * @param x a pointer to the input memory
98 * @return the corresponding unsigned integer
100 #define RL32(x) (((unsigned)((const uint8_t*)(x))[3] << 24) | \
101 ((unsigned)((const uint8_t*)(x))[2] << 16) | \
102 ((unsigned)((const uint8_t*)(x))[1] << 8) | \
103 (unsigned)((const uint8_t*)(x))[0])
106 * Read a 32 bits little endian signed integer out of memory.
107 * @param x a pointer to the input memory
108 * @return the corresponding signed integer
110 #define RL32S(x) ((int32_t) \
111 (((unsigned)((const uint8_t*)(x))[3] << 24) | \
112 ((unsigned)((const uint8_t*)(x))[2] << 16) | \
113 ((unsigned)((const uint8_t*)(x))[1] << 8) | \
114 (unsigned)((const uint8_t*)(x))[0]))
117 * Read a 32 bits big endian float out of memory.
118 * @param x a pointer to the input memory
119 * @return the corresponding float
121 #define RBFL(x) ((union { uint32_t u; float f; }) { .u = RB32(x) }.f)
124 * Read a 32 bits little endian float out of memory.
125 * @param x a pointer to the input memory
126 * @return the corresponding float
128 #define RLFL(x) ((union { uint32_t u; float f; }) { .u = RL32(x) }.f)
131 * Write a 8 bits unsigned integer to memory.
132 * @param p a pointer to the output memory
133 * @param x the input unsigned integer
135 #define W8(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); } while (0)
138 * Write a 16 bits unsigned integer to memory stored as big endian.
139 * @param p a pointer to the output memory
140 * @param x the input unsigned integer
142 #define WB16(p, x) do { ((uint8_t*)(p))[1] = (uint8_t) (x); \
143 ((uint8_t*)(p))[0] = (uint8_t)((x)>>8); } while (0)
146 * Write a 16 bits unsigned integer to memory stored as little endian.
147 * @param p a pointer to the output memory
148 * @param x the input unsigned integer
150 #define WL16(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
151 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); } while (0)
154 * Write a 32 bits unsigned integer to memory stored as big endian.
155 * @param p a pointer to the output memory
156 * @param x the input unsigned integer
158 #define WB32(p, x) do { ((uint8_t*)(p))[3] = (uint8_t) (x); \
159 ((uint8_t*)(p))[2] = (uint8_t)((x)>>8); \
160 ((uint8_t*)(p))[1] = (uint8_t)((x)>>16); \
161 ((uint8_t*)(p))[0] = (uint8_t)((x)>>24); } while (0)
164 * Write a 32 bits unsigned integer to memory stored as little endian.
165 * @param p a pointer to the output memory
166 * @param x the input unsigned integer
168 #define WL32(p, x) do { ((uint8_t*)(p))[0] = (uint8_t) (x); \
169 ((uint8_t*)(p))[1] = (uint8_t)((x)>>8); \
170 ((uint8_t*)(p))[2] = (uint8_t)((x)>>16); \
171 ((uint8_t*)(p))[3] = (uint8_t)((x)>>24); } while (0)
174 * Write a 32 bits float to memory stored as big endian.
175 * @param p a pointer to the output memory
176 * @param x the input float
178 #define WBFL(p, x) WB32(p, (union { uint32_t u; float f; }) { .f = x }.u)
181 * Write a 32 bits float to memory stored as little endian.
182 * @param p a pointer to the output memory
183 * @param x the input float
185 #define WLFL(p, x) WL32(p, (union { uint32_t u; float f; }) { .f = x }.u)
187 /* Portability fixes for FreeBSD. */
189 #define LIBUSB_CLASS_APPLICATION 0xfe
190 #define libusb_has_capability(x) 0
191 #define libusb_handle_events_timeout_completed(ctx, tv, c) \
192 libusb_handle_events_timeout(ctx, tv)
195 /* Static definitions of structs ending with an all-zero entry are a
196 * problem when compiling with -Wmissing-field-initializers: GCC
197 * suppresses the warning only with { 0 }, clang wants { } */
201 #define ALL_ZERO { 0 }
205 struct sr_dev_driver **driver_list;
206 #ifdef HAVE_LIBUSB_1_0
207 libusb_context *libusb_ctx;
211 /** Input module metadata keys. */
212 enum sr_input_meta_keys {
213 /** The input filename, if there is one. */
214 SR_INPUT_META_FILENAME = 0x01,
215 /** The input file's size in bytes. */
216 SR_INPUT_META_FILESIZE = 0x02,
217 /** The first 128 bytes of the file, provided as a GString. */
218 SR_INPUT_META_HEADER = 0x04,
219 /** The file's MIME type. */
220 SR_INPUT_META_MIMETYPE = 0x08,
222 /** The module cannot identify a file without this metadata. */
223 SR_INPUT_META_REQUIRED = 0x80,
226 /** Input (file) module struct. */
229 * A pointer to this input module's 'struct sr_input_module'.
231 const struct sr_input_module *module;
233 struct sr_dev_inst *sdi;
238 /** Input (file) module driver. */
239 struct sr_input_module {
241 * A unique ID for this input module, suitable for use in command-line
242 * clients, [a-z0-9-]. Must not be NULL.
247 * A unique name for this input module, suitable for use in GUI
248 * clients, can contain UTF-8. Must not be NULL.
253 * A short description of the input module. Must not be NULL.
255 * This can be displayed by frontends, e.g. when selecting the input
256 * module for saving a file.
261 * A NULL terminated array of strings containing a list of file name
262 * extensions typical for the input file format, or NULL if there is
263 * no typical extension for this file format.
265 const char *const *exts;
268 * Zero-terminated list of metadata items the module needs to be able
269 * to identify an input stream. Can be all-zero, if the module cannot
270 * identify streams at all, i.e. has to be forced into use.
272 * Each item is one of:
273 * SR_INPUT_META_FILENAME
274 * SR_INPUT_META_FILESIZE
275 * SR_INPUT_META_HEADER
276 * SR_INPUT_META_MIMETYPE
278 * If the high bit (SR_INPUT META_REQUIRED) is set, the module cannot
279 * identify a stream without the given metadata.
281 const uint8_t metadata[8];
284 * Returns a NULL-terminated list of options this module can take.
285 * Can be NULL, if the module has no options.
287 struct sr_option *(*options) (void);
290 * Check if this input module can load and parse the specified stream.
292 * @param[in] metadata Metadata the module can use to identify the stream.
294 * @retval SR_OK This module knows the format.
295 * @retval SR_ERR_NA There wasn't enough data for this module to
296 * positively identify the format.
297 * @retval SR_ERR_DATA This module knows the format, but cannot handle it.
298 * This means the stream is either corrupt, or indicates a feature
299 * that the module does not support.
300 * @retval SR_ERR This module does not know the format.
302 int (*format_match) (GHashTable *metadata);
305 * Initialize the input module.
307 * @retval SR_OK Success
308 * @retval other Negative error code.
310 int (*init) (struct sr_input *in, GHashTable *options);
313 * Send data to the specified input instance.
315 * When an input module instance is created with sr_input_new(), this
316 * function is used to feed data to the instance.
318 * As enough data gets fed into this function to completely populate
319 * the device instance associated with this input instance, this is
320 * guaranteed to return the moment it's ready. This gives the caller
321 * the chance to examine the device instance, attach session callbacks
324 * @retval SR_OK Success
325 * @retval other Negative error code.
327 int (*receive) (struct sr_input *in, GString *buf);
330 * Signal the input module no more data will come.
332 * This will cause the module to process any data it may have buffered.
333 * The SR_DF_END packet will also typically be sent at this time.
335 int (*end) (struct sr_input *in);
338 * This function is called after the caller is finished using
339 * the input module, and can be used to free any internal
340 * resources the module may keep.
342 * This function is optional.
344 * @retval SR_OK Success
345 * @retval other Negative error code.
347 void (*cleanup) (struct sr_input *in);
350 /** Output module instance. */
352 /** A pointer to this output's module. */
353 const struct sr_output_module *module;
356 * The device for which this output module is creating output. This
357 * can be used by the module to find out channel names and numbers.
359 const struct sr_dev_inst *sdi;
362 * The name of the file that the data should be written to.
364 const char *filename;
367 * A generic pointer which can be used by the module to keep internal
368 * state between calls into its callback functions.
370 * For example, the module might store a pointer to a chunk of output
371 * there, and only flush it when it reaches a certain size.
376 /** Output module driver. */
377 struct sr_output_module {
379 * A unique ID for this output module, suitable for use in command-line
380 * clients, [a-z0-9-]. Must not be NULL.
385 * A unique name for this output module, suitable for use in GUI
386 * clients, can contain UTF-8. Must not be NULL.
391 * A short description of the output module. Must not be NULL.
393 * This can be displayed by frontends, e.g. when selecting the output
394 * module for saving a file.
399 * A NULL terminated array of strings containing a list of file name
400 * extensions typical for the input file format, or NULL if there is
401 * no typical extension for this file format.
403 const char *const *exts;
406 * Bitfield containing flags that describe certain properties
407 * this output module may or may not have.
408 * @see sr_output_flags
410 const uint64_t flags;
413 * Returns a NULL-terminated list of options this module can take.
414 * Can be NULL, if the module has no options.
416 const struct sr_option *(*options) (void);
419 * This function is called once, at the beginning of an output stream.
421 * The device struct will be available in the output struct passed in,
422 * as well as the param field -- which may be NULL or an empty string,
423 * if no parameter was passed.
425 * The module can use this to initialize itself, create a struct for
426 * keeping state and storing it in the <code>internal</code> field.
428 * @param o Pointer to the respective 'struct sr_output'.
430 * @retval SR_OK Success
431 * @retval other Negative error code.
433 int (*init) (struct sr_output *o, GHashTable *options);
436 * This function is passed a copy of every packet in the data feed.
437 * Any output generated by the output module in response to the
438 * packet should be returned in a newly allocated GString
439 * <code>out</code>, which will be freed by the caller.
441 * Packets not of interest to the output module can just be ignored,
442 * and the <code>out</code> parameter set to NULL.
444 * @param o Pointer to the respective 'struct sr_output'.
445 * @param sdi The device instance that generated the packet.
446 * @param packet The complete packet.
447 * @param out A pointer where a GString * should be stored if
448 * the module generates output, or NULL if not.
450 * @retval SR_OK Success
451 * @retval other Negative error code.
453 int (*receive) (const struct sr_output *o,
454 const struct sr_datafeed_packet *packet, GString **out);
457 * This function is called after the caller is finished using
458 * the output module, and can be used to free any internal
459 * resources the module may keep.
461 * @retval SR_OK Success
462 * @retval other Negative error code.
464 int (*cleanup) (struct sr_output *o);
467 /** Transform module instance. */
468 struct sr_transform {
469 /** A pointer to this transform's module. */
470 const struct sr_transform_module *module;
473 * The device for which this transform module is used. This
474 * can be used by the module to find out channel names and numbers.
476 const struct sr_dev_inst *sdi;
479 * A generic pointer which can be used by the module to keep internal
480 * state between calls into its callback functions.
485 struct sr_transform_module {
487 * A unique ID for this transform module, suitable for use in
488 * command-line clients, [a-z0-9-]. Must not be NULL.
493 * A unique name for this transform module, suitable for use in GUI
494 * clients, can contain UTF-8. Must not be NULL.
499 * A short description of the transform module. Must not be NULL.
501 * This can be displayed by frontends, e.g. when selecting
502 * which transform module(s) to add.
507 * Returns a NULL-terminated list of options this transform module
508 * can take. Can be NULL, if the transform module has no options.
510 const struct sr_option *(*options) (void);
513 * This function is called once, at the beginning of a stream.
515 * @param t Pointer to the respective 'struct sr_transform'.
516 * @param options Hash table of options for this transform module.
517 * Can be NULL if no options are to be used.
519 * @retval SR_OK Success
520 * @retval other Negative error code.
522 int (*init) (struct sr_transform *t, GHashTable *options);
525 * This function is passed a pointer to every packet in the data feed.
527 * It can either return (in packet_out) a pointer to another packet
528 * (possibly the exact same packet it got as input), or NULL.
530 * @param t Pointer to the respective 'struct sr_transform'.
531 * @param packet_in Pointer to a datafeed packet.
532 * @param packet_out Pointer to the resulting datafeed packet after
533 * this function was run. If NULL, the transform
534 * module intentionally didn't output a new packet.
536 * @retval SR_OK Success
537 * @retval other Negative error code.
539 int (*receive) (const struct sr_transform *t,
540 struct sr_datafeed_packet *packet_in,
541 struct sr_datafeed_packet **packet_out);
544 * This function is called after the caller is finished using
545 * the transform module, and can be used to free any internal
546 * resources the module may keep.
548 * @retval SR_OK Success
549 * @retval other Negative error code.
551 int (*cleanup) (struct sr_transform *t);
554 #ifdef HAVE_LIBUSB_1_0
555 /** USB device instance */
556 struct sr_usb_dev_inst {
559 /** Device address on USB bus */
561 /** libusb device handle */
562 struct libusb_device_handle *devhdl;
566 #ifdef HAVE_LIBSERIALPORT
567 #define SERIAL_PARITY_NONE SP_PARITY_NONE
568 #define SERIAL_PARITY_EVEN SP_PARITY_EVEN
569 #define SERIAL_PARITY_ODD SP_PARITY_ODD
570 struct sr_serial_dev_inst {
571 /** Port name, e.g. '/dev/tty42'. */
573 /** Comm params for serial_set_paramstr(). */
575 /** libserialport port handle */
576 struct sp_port *data;
580 struct sr_usbtmc_dev_inst {
585 /* Private driver context. */
587 /** sigrok context */
588 struct sr_context *sr_ctx;
592 /*--- log.c -----------------------------------------------------------------*/
594 #if defined(G_OS_WIN32) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
596 * On MinGW, we need to specify the gnu_printf format flavor or GCC
597 * will assume non-standard Microsoft printf syntax.
599 SR_PRIV int sr_log(int loglevel, const char *format, ...)
600 __attribute__((__format__ (__gnu_printf__, 2, 3)));
602 SR_PRIV int sr_log(int loglevel, const char *format, ...) G_GNUC_PRINTF(2, 3);
605 /* Message logging helpers with subsystem-specific prefix string. */
606 #define sr_spew(...) sr_log(SR_LOG_SPEW, LOG_PREFIX ": " __VA_ARGS__)
607 #define sr_dbg(...) sr_log(SR_LOG_DBG, LOG_PREFIX ": " __VA_ARGS__)
608 #define sr_info(...) sr_log(SR_LOG_INFO, LOG_PREFIX ": " __VA_ARGS__)
609 #define sr_warn(...) sr_log(SR_LOG_WARN, LOG_PREFIX ": " __VA_ARGS__)
610 #define sr_err(...) sr_log(SR_LOG_ERR, LOG_PREFIX ": " __VA_ARGS__)
612 /*--- device.c --------------------------------------------------------------*/
614 /** Values for the changes argument of sr_dev_driver.config_channel_set. */
616 /** The enabled state of the channel has been changed. */
617 SR_CHANNEL_SET_ENABLED = 1 << 0,
620 SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
621 int index, int type, gboolean enabled, const char *name);
622 SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
623 struct sr_channel *cur_channel);
625 /** Device instance data */
627 /** Device driver. */
628 struct sr_dev_driver *driver;
629 /** Device instance status. SR_ST_NOT_FOUND, etc. */
631 /** Device instance type. SR_INST_USB, etc. */
633 /** Device vendor. */
637 /** Device version. */
639 /** Serial number. */
641 /** Connection string to uniquely identify devices. */
643 /** List of channels. */
645 /** List of sr_channel_group structs */
646 GSList *channel_groups;
647 /** Device instance connection data (used?) */
649 /** Device instance private data (used?) */
651 /** Session to which this device is currently assigned. */
652 struct sr_session *session;
655 /* Generic device instances */
656 SR_PRIV void sr_dev_inst_free(struct sr_dev_inst *sdi);
658 #ifdef HAVE_LIBUSB_1_0
659 /* USB-specific instances */
660 SR_PRIV struct sr_usb_dev_inst *sr_usb_dev_inst_new(uint8_t bus,
661 uint8_t address, struct libusb_device_handle *hdl);
662 SR_PRIV void sr_usb_dev_inst_free(struct sr_usb_dev_inst *usb);
665 #ifdef HAVE_LIBSERIALPORT
666 /* Serial-specific instances */
667 SR_PRIV struct sr_serial_dev_inst *sr_serial_dev_inst_new(const char *port,
668 const char *serialcomm);
669 SR_PRIV void sr_serial_dev_inst_free(struct sr_serial_dev_inst *serial);
672 /* USBTMC-specific instances */
673 SR_PRIV struct sr_usbtmc_dev_inst *sr_usbtmc_dev_inst_new(const char *device);
674 SR_PRIV void sr_usbtmc_dev_inst_free(struct sr_usbtmc_dev_inst *usbtmc);
676 /*--- hwdriver.c ------------------------------------------------------------*/
678 extern SR_PRIV struct sr_dev_driver **drivers_lists[];
680 SR_PRIV const GVariantType *sr_variant_type_get(int datatype);
681 SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *data);
682 SR_PRIV void sr_hw_cleanup_all(const struct sr_context *ctx);
683 SR_PRIV struct sr_config *sr_config_new(uint32_t key, GVariant *data);
684 SR_PRIV void sr_config_free(struct sr_config *src);
685 SR_PRIV int sr_source_remove(int fd);
686 SR_PRIV int sr_source_remove_pollfd(GPollFD *pollfd);
687 SR_PRIV int sr_source_remove_channel(GIOChannel *channel);
688 SR_PRIV int sr_source_add(int fd, int events, int timeout,
689 sr_receive_data_callback cb, void *cb_data);
690 SR_PRIV int sr_source_add_pollfd(GPollFD *pollfd, int timeout,
691 sr_receive_data_callback cb, void *cb_data);
692 SR_PRIV int sr_source_add_channel(GIOChannel *channel, int events, int timeout,
693 sr_receive_data_callback cb, void *cb_data);
695 /*--- session.c -------------------------------------------------------------*/
698 /** Context this session exists in. */
699 struct sr_context *ctx;
700 /** List of struct sr_dev_inst pointers. */
702 /** List of struct sr_dev_inst pointers owned by this session. */
704 /** List of struct datafeed_callback pointers. */
705 GSList *datafeed_callbacks;
707 struct sr_trigger *trigger;
709 /** Mutex protecting the main context pointer and ownership flag. */
711 /** Context of the session main loop. */
712 GMainContext *main_context;
713 /** Whether we are using the thread's default context. */
714 gboolean main_context_is_default;
716 /** Whether the session has been started. */
719 /** Registered event sources for this session. */
720 GHashTable *event_sources;
721 /** Session main loop. */
722 GMainLoop *main_loop;
725 SR_PRIV int sr_session_source_add_internal(struct sr_session *session,
726 void *key, GSource *source);
727 SR_PRIV int sr_session_source_remove_internal(struct sr_session *session,
729 SR_PRIV int sr_session_source_destroyed(struct sr_session *session,
730 void *key, GSource *source);
731 SR_PRIV int sr_session_fd_source_add(struct sr_session *session,
732 void *key, gintptr fd, int events, int timeout,
733 sr_receive_data_callback cb, void *cb_data);
734 SR_PRIV int sr_session_send(const struct sr_dev_inst *sdi,
735 const struct sr_datafeed_packet *packet);
736 SR_PRIV int sr_sessionfile_check(const char *filename);
737 SR_PRIV int sr_packet_copy(const struct sr_datafeed_packet *packet,
738 struct sr_datafeed_packet **copy);
739 SR_PRIV void sr_packet_free(struct sr_datafeed_packet *packet);
741 /*--- analog.c --------------------------------------------------------------*/
743 SR_PRIV int sr_analog_init(struct sr_datafeed_analog2 *analog,
744 struct sr_analog_encoding *encoding,
745 struct sr_analog_meaning *meaning,
746 struct sr_analog_spec *spec,
749 /*--- std.c -----------------------------------------------------------------*/
751 typedef int (*dev_close_callback)(struct sr_dev_inst *sdi);
752 typedef void (*std_dev_clear_callback)(void *priv);
754 SR_PRIV int std_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
756 #ifdef HAVE_LIBSERIALPORT
757 SR_PRIV int std_serial_dev_open(struct sr_dev_inst *sdi);
758 SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
759 void *cb_data, dev_close_callback dev_close_fn,
760 struct sr_serial_dev_inst *serial, const char *prefix);
762 SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
764 SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
765 std_dev_clear_callback clear_private);
766 SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
768 /*--- strutil.c -------------------------------------------------------------*/
770 SR_PRIV int sr_atol(const char *str, long *ret);
771 SR_PRIV int sr_atoi(const char *str, int *ret);
772 SR_PRIV int sr_atod(const char *str, double *ret);
773 SR_PRIV int sr_atof(const char *str, float *ret);
774 SR_PRIV int sr_atof_ascii(const char *str, float *ret);
776 /*--- soft-trigger.c --------------------------------------------------------*/
778 struct soft_trigger_logic {
779 const struct sr_dev_inst *sdi;
780 const struct sr_trigger *trigger;
784 uint8_t *prev_sample;
785 uint8_t *pre_trigger_buffer;
786 uint8_t *pre_trigger_head;
787 int pre_trigger_size;
788 int pre_trigger_fill;
791 SR_PRIV struct soft_trigger_logic *soft_trigger_logic_new(
792 const struct sr_dev_inst *sdi, struct sr_trigger *trigger,
793 int pre_trigger_samples);
794 SR_PRIV void soft_trigger_logic_free(struct soft_trigger_logic *st);
795 SR_PRIV int soft_trigger_logic_check(struct soft_trigger_logic *st, uint8_t *buf,
796 int len, int *pre_trigger_samples);
798 /*--- hardware/serial.c -----------------------------------------------------*/
800 #ifdef HAVE_LIBSERIALPORT
806 typedef gboolean (*packet_valid_callback)(const uint8_t *buf);
808 SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags);
809 SR_PRIV int serial_close(struct sr_serial_dev_inst *serial);
810 SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial);
811 SR_PRIV int serial_drain(struct sr_serial_dev_inst *serial);
812 SR_PRIV int serial_write_blocking(struct sr_serial_dev_inst *serial,
813 const void *buf, size_t count, unsigned int timeout_ms);
814 SR_PRIV int serial_write_nonblocking(struct sr_serial_dev_inst *serial,
815 const void *buf, size_t count);
816 SR_PRIV int serial_read_blocking(struct sr_serial_dev_inst *serial, void *buf,
817 size_t count, unsigned int timeout_ms);
818 SR_PRIV int serial_read_nonblocking(struct sr_serial_dev_inst *serial, void *buf,
820 SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
821 int bits, int parity, int stopbits, int flowcontrol, int rts, int dtr);
822 SR_PRIV int serial_set_paramstr(struct sr_serial_dev_inst *serial,
823 const char *paramstr);
824 SR_PRIV int serial_readline(struct sr_serial_dev_inst *serial, char **buf,
825 int *buflen, gint64 timeout_ms);
826 SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
827 uint8_t *buf, size_t *buflen,
829 packet_valid_callback is_valid,
830 uint64_t timeout_ms, int baudrate);
831 SR_PRIV int sr_serial_extract_options(GSList *options, const char **serial_device,
832 const char **serial_options);
833 SR_PRIV int serial_source_add(struct sr_session *session,
834 struct sr_serial_dev_inst *serial, int events, int timeout,
835 sr_receive_data_callback cb, void *cb_data);
836 SR_PRIV int serial_source_remove(struct sr_session *session,
837 struct sr_serial_dev_inst *serial);
838 SR_PRIV GSList *sr_serial_find_usb(uint16_t vendor_id, uint16_t product_id);
839 SR_PRIV int serial_timeout(struct sr_serial_dev_inst *port, int num_bytes);
842 /*--- hardware/ezusb.c ------------------------------------------------------*/
844 #ifdef HAVE_LIBUSB_1_0
845 SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
846 SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
847 const char *filename);
848 SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
849 const char *filename);
852 /*--- hardware/usb.c --------------------------------------------------------*/
854 #ifdef HAVE_LIBUSB_1_0
855 SR_PRIV GSList *sr_usb_find(libusb_context *usb_ctx, const char *conn);
856 SR_PRIV int sr_usb_open(libusb_context *usb_ctx, struct sr_usb_dev_inst *usb);
857 SR_PRIV void sr_usb_close(struct sr_usb_dev_inst *usb);
858 SR_PRIV int usb_source_add(struct sr_session *session, struct sr_context *ctx,
859 int timeout, sr_receive_data_callback cb, void *cb_data);
860 SR_PRIV int usb_source_remove(struct sr_session *session, struct sr_context *ctx);
861 SR_PRIV int usb_get_port_path(libusb_device *dev, char *path, int path_len);
865 /*--- modbus/modbus.c -------------------------------------------------------*/
867 struct sr_modbus_dev_inst {
871 GSList *(*scan)(int modbusaddr);
872 int (*dev_inst_new)(void *priv, const char *resource,
873 char **params, const char *serialcomm, int modbusaddr);
874 int (*open)(void *priv);
875 int (*source_add)(struct sr_session *session, void *priv, int events,
876 int timeout, sr_receive_data_callback cb, void *cb_data);
877 int (*source_remove)(struct sr_session *session, void *priv);
878 int (*send)(void *priv, const uint8_t *buffer, int buffer_size);
879 int (*read_begin)(void *priv, uint8_t *function_code);
880 int (*read_data)(void *priv, uint8_t *buf, int maxlen);
881 int (*read_end)(void *priv);
882 int (*close)(void *priv);
883 void (*free)(void *priv);
884 unsigned int read_timeout_ms;
888 SR_PRIV GSList *sr_modbus_scan(struct drv_context *drvc, GSList *options,
889 struct sr_dev_inst *(*probe_device)(struct sr_modbus_dev_inst *modbus));
890 SR_PRIV struct sr_modbus_dev_inst *modbus_dev_inst_new(const char *resource,
891 const char *serialcomm, int modbusaddr);
892 SR_PRIV int sr_modbus_open(struct sr_modbus_dev_inst *modbus);
893 SR_PRIV int sr_modbus_source_add(struct sr_session *session,
894 struct sr_modbus_dev_inst *modbus, int events, int timeout,
895 sr_receive_data_callback cb, void *cb_data);
896 SR_PRIV int sr_modbus_source_remove(struct sr_session *session,
897 struct sr_modbus_dev_inst *modbus);
898 SR_PRIV int sr_modbus_request(struct sr_modbus_dev_inst *modbus,
899 uint8_t *request, int request_size);
900 SR_PRIV int sr_modbus_reply(struct sr_modbus_dev_inst *modbus,
901 uint8_t *reply, int reply_size);
902 SR_PRIV int sr_modbus_request_reply(struct sr_modbus_dev_inst *modbus,
903 uint8_t *request, int request_size,
904 uint8_t *reply, int reply_size);
905 SR_PRIV int sr_modbus_read_coils(struct sr_modbus_dev_inst *modbus,
906 int address, int nb_coils, uint8_t *coils);
907 SR_PRIV int sr_modbus_read_holding_registers(struct sr_modbus_dev_inst *modbus,
908 int address, int nb_registers,
909 uint16_t *registers);
910 SR_PRIV int sr_modbus_write_coil(struct sr_modbus_dev_inst *modbus,
911 int address, int value);
912 SR_PRIV int sr_modbus_write_multiple_registers(struct sr_modbus_dev_inst*modbus,
913 int address, int nb_registers,
914 uint16_t *registers);
915 SR_PRIV int sr_modbus_close(struct sr_modbus_dev_inst *modbus);
916 SR_PRIV void sr_modbus_free(struct sr_modbus_dev_inst *modbus);
918 /*--- hardware/dmm/es519xx.c ------------------------------------------------*/
921 * All 11-byte es519xx chips repeat each block twice for each conversion cycle
922 * so always read 2 blocks at a time.
924 #define ES519XX_11B_PACKET_SIZE (11 * 2)
925 #define ES519XX_14B_PACKET_SIZE 14
927 struct es519xx_info {
928 gboolean is_judge, is_voltage, is_auto, is_micro, is_current;
929 gboolean is_milli, is_resistance, is_continuity, is_diode;
930 gboolean is_frequency, is_rpm, is_capacitance, is_duty_cycle;
931 gboolean is_temperature, is_celsius, is_fahrenheit;
932 gboolean is_adp0, is_adp1, is_adp2, is_adp3;
933 gboolean is_sign, is_batt, is_ol, is_pmax, is_pmin, is_apo;
934 gboolean is_dc, is_ac, is_vahz, is_min, is_max, is_rel, is_hold;
935 gboolean is_digit4, is_ul, is_vasel, is_vbar, is_lpf1, is_lpf0, is_rmr;
938 gboolean alt_functions, fivedigits, clampmeter, selectable_lpf;
941 SR_PRIV gboolean sr_es519xx_2400_11b_packet_valid(const uint8_t *buf);
942 SR_PRIV int sr_es519xx_2400_11b_parse(const uint8_t *buf, float *floatval,
943 struct sr_datafeed_analog *analog, void *info);
944 SR_PRIV gboolean sr_es519xx_2400_11b_altfn_packet_valid(const uint8_t *buf);
945 SR_PRIV int sr_es519xx_2400_11b_altfn_parse(const uint8_t *buf,
946 float *floatval, struct sr_datafeed_analog *analog, void *info);
947 SR_PRIV gboolean sr_es519xx_19200_11b_5digits_packet_valid(const uint8_t *buf);
948 SR_PRIV int sr_es519xx_19200_11b_5digits_parse(const uint8_t *buf,
949 float *floatval, struct sr_datafeed_analog *analog, void *info);
950 SR_PRIV gboolean sr_es519xx_19200_11b_clamp_packet_valid(const uint8_t *buf);
951 SR_PRIV int sr_es519xx_19200_11b_clamp_parse(const uint8_t *buf,
952 float *floatval, struct sr_datafeed_analog *analog, void *info);
953 SR_PRIV gboolean sr_es519xx_19200_11b_packet_valid(const uint8_t *buf);
954 SR_PRIV int sr_es519xx_19200_11b_parse(const uint8_t *buf, float *floatval,
955 struct sr_datafeed_analog *analog, void *info);
956 SR_PRIV gboolean sr_es519xx_19200_14b_packet_valid(const uint8_t *buf);
957 SR_PRIV int sr_es519xx_19200_14b_parse(const uint8_t *buf, float *floatval,
958 struct sr_datafeed_analog *analog, void *info);
959 SR_PRIV gboolean sr_es519xx_19200_14b_sel_lpf_packet_valid(const uint8_t *buf);
960 SR_PRIV int sr_es519xx_19200_14b_sel_lpf_parse(const uint8_t *buf,
961 float *floatval, struct sr_datafeed_analog *analog, void *info);
963 /*--- hardware/dmm/fs9922.c -------------------------------------------------*/
965 #define FS9922_PACKET_SIZE 14
968 gboolean is_auto, is_dc, is_ac, is_rel, is_hold, is_bpn, is_z1, is_z2;
969 gboolean is_max, is_min, is_apo, is_bat, is_nano, is_z3, is_micro;
970 gboolean is_milli, is_kilo, is_mega, is_beep, is_diode, is_percent;
971 gboolean is_z4, is_volt, is_ampere, is_ohm, is_hfe, is_hertz, is_farad;
972 gboolean is_celsius, is_fahrenheit;
973 int bargraph_sign, bargraph_value;
976 SR_PRIV gboolean sr_fs9922_packet_valid(const uint8_t *buf);
977 SR_PRIV int sr_fs9922_parse(const uint8_t *buf, float *floatval,
978 struct sr_datafeed_analog *analog, void *info);
979 SR_PRIV void sr_fs9922_z1_diode(struct sr_datafeed_analog *analog, void *info);
981 /*--- hardware/dmm/fs9721.c -------------------------------------------------*/
983 #define FS9721_PACKET_SIZE 14
986 gboolean is_ac, is_dc, is_auto, is_rs232, is_micro, is_nano, is_kilo;
987 gboolean is_diode, is_milli, is_percent, is_mega, is_beep, is_farad;
988 gboolean is_ohm, is_rel, is_hold, is_ampere, is_volt, is_hz, is_bat;
989 gboolean is_c2c1_11, is_c2c1_10, is_c2c1_01, is_c2c1_00, is_sign;
992 SR_PRIV gboolean sr_fs9721_packet_valid(const uint8_t *buf);
993 SR_PRIV int sr_fs9721_parse(const uint8_t *buf, float *floatval,
994 struct sr_datafeed_analog *analog, void *info);
995 SR_PRIV void sr_fs9721_00_temp_c(struct sr_datafeed_analog *analog, void *info);
996 SR_PRIV void sr_fs9721_01_temp_c(struct sr_datafeed_analog *analog, void *info);
997 SR_PRIV void sr_fs9721_10_temp_c(struct sr_datafeed_analog *analog, void *info);
998 SR_PRIV void sr_fs9721_01_10_temp_f_c(struct sr_datafeed_analog *analog, void *info);
999 SR_PRIV void sr_fs9721_max_c_min(struct sr_datafeed_analog *analog, void *info);
1001 /*--- hardware/dmm/m2110.c --------------------------------------------------*/
1003 #define BBCGM_M2110_PACKET_SIZE 9
1005 SR_PRIV gboolean sr_m2110_packet_valid(const uint8_t *buf);
1006 SR_PRIV int sr_m2110_parse(const uint8_t *buf, float *floatval,
1007 struct sr_datafeed_analog *analog, void *info);
1009 /*--- hardware/dmm/metex14.c ------------------------------------------------*/
1011 #define METEX14_PACKET_SIZE 14
1013 struct metex14_info {
1014 gboolean is_ac, is_dc, is_resistance, is_capacity, is_temperature;
1015 gboolean is_diode, is_frequency, is_ampere, is_volt, is_farad;
1016 gboolean is_hertz, is_ohm, is_celsius, is_pico, is_nano, is_micro;
1017 gboolean is_milli, is_kilo, is_mega, is_gain, is_decibel, is_hfe;
1018 gboolean is_unitless, is_logic;
1021 #ifdef HAVE_LIBSERIALPORT
1022 SR_PRIV int sr_metex14_packet_request(struct sr_serial_dev_inst *serial);
1024 SR_PRIV gboolean sr_metex14_packet_valid(const uint8_t *buf);
1025 SR_PRIV int sr_metex14_parse(const uint8_t *buf, float *floatval,
1026 struct sr_datafeed_analog *analog, void *info);
1028 /*--- hardware/dmm/rs9lcd.c -------------------------------------------------*/
1030 #define RS9LCD_PACKET_SIZE 9
1032 /* Dummy info struct. The parser does not use it. */
1033 struct rs9lcd_info { int dummy; };
1035 SR_PRIV gboolean sr_rs9lcd_packet_valid(const uint8_t *buf);
1036 SR_PRIV int sr_rs9lcd_parse(const uint8_t *buf, float *floatval,
1037 struct sr_datafeed_analog *analog, void *info);
1039 /*--- hardware/dmm/bm25x.c --------------------------------------------------*/
1041 #define BRYMEN_BM25X_PACKET_SIZE 15
1043 /* Dummy info struct. The parser does not use it. */
1044 struct bm25x_info { int dummy; };
1046 SR_PRIV gboolean sr_brymen_bm25x_packet_valid(const uint8_t *buf);
1047 SR_PRIV int sr_brymen_bm25x_parse(const uint8_t *buf, float *floatval,
1048 struct sr_datafeed_analog *analog, void *info);
1050 /*--- hardware/dmm/ut71x.c --------------------------------------------------*/
1052 #define UT71X_PACKET_SIZE 11
1055 gboolean is_voltage, is_resistance, is_capacitance, is_temperature;
1056 gboolean is_celsius, is_fahrenheit, is_current, is_continuity;
1057 gboolean is_diode, is_frequency, is_duty_cycle, is_dc, is_ac;
1058 gboolean is_auto, is_manual, is_sign, is_power, is_loop_current;
1061 SR_PRIV gboolean sr_ut71x_packet_valid(const uint8_t *buf);
1062 SR_PRIV int sr_ut71x_parse(const uint8_t *buf, float *floatval,
1063 struct sr_datafeed_analog *analog, void *info);
1065 /*--- hardware/dmm/vc870.c --------------------------------------------------*/
1067 #define VC870_PACKET_SIZE 23
1070 gboolean is_voltage, is_dc, is_ac, is_temperature, is_resistance;
1071 gboolean is_continuity, is_capacitance, is_diode, is_loop_current;
1072 gboolean is_current, is_micro, is_milli, is_power;
1073 gboolean is_power_factor_freq, is_power_apparent_power, is_v_a_eff_value;
1074 gboolean is_sign2, is_sign1, is_batt, is_ol1, is_max, is_min;
1075 gboolean is_maxmin, is_rel, is_ol2, is_open, is_manu, is_hold;
1076 gboolean is_light, is_usb, is_warning, is_auto_power, is_misplug_warn;
1077 gboolean is_lo, is_hi, is_open2;
1079 gboolean is_frequency, is_dual_display, is_auto, is_rms;
1082 SR_PRIV gboolean sr_vc870_packet_valid(const uint8_t *buf);
1083 SR_PRIV int sr_vc870_parse(const uint8_t *buf, float *floatval,
1084 struct sr_datafeed_analog *analog, void *info);
1086 /*--- hardware/lcr/es51919.c ------------------------------------------------*/
1088 SR_PRIV void es51919_serial_clean(void *priv);
1089 SR_PRIV struct sr_dev_inst *es51919_serial_scan(GSList *options,
1092 SR_PRIV int es51919_serial_config_get(uint32_t key, GVariant **data,
1093 const struct sr_dev_inst *sdi,
1094 const struct sr_channel_group *cg);
1095 SR_PRIV int es51919_serial_config_set(uint32_t key, GVariant *data,
1096 const struct sr_dev_inst *sdi,
1097 const struct sr_channel_group *cg);
1098 SR_PRIV int es51919_serial_config_list(uint32_t key, GVariant **data,
1099 const struct sr_dev_inst *sdi,
1100 const struct sr_channel_group *cg);
1101 SR_PRIV int es51919_serial_acquisition_start(const struct sr_dev_inst *sdi,
1103 SR_PRIV int es51919_serial_acquisition_stop(struct sr_dev_inst *sdi,
1106 /*--- hardware/dmm/ut372.c --------------------------------------------------*/
1108 #define UT372_PACKET_SIZE 27
1114 SR_PRIV gboolean sr_ut372_packet_valid(const uint8_t *buf);
1115 SR_PRIV int sr_ut372_parse(const uint8_t *buf, float *floatval,
1116 struct sr_datafeed_analog *analog, void *info);
1118 /*--- hardware/scale/kern.c -------------------------------------------------*/
1121 gboolean is_gram, is_carat, is_ounce, is_pound, is_troy_ounce;
1122 gboolean is_pennyweight, is_grain, is_tael, is_momme, is_tola;
1123 gboolean is_percentage, is_piece, is_unstable, is_stable, is_error;
1127 SR_PRIV gboolean sr_kern_packet_valid(const uint8_t *buf);
1128 SR_PRIV int sr_kern_parse(const uint8_t *buf, float *floatval,
1129 struct sr_datafeed_analog *analog, void *info);