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c23c8659 ML |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013-2014 Martin Ling <martin-sigrok@earth.li> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
07443fd2 ML |
20 | /** |
21 | ||
22 | @mainpage API Reference | |
23 | ||
24 | Introduction | |
25 | ------------ | |
26 | ||
52ff4f6a UH |
27 | The libsigrokcxx API provides an object-oriented C++ interface to the |
28 | functionality in libsigrok, including automatic memory and resource management. | |
07443fd2 ML |
29 | |
30 | It is built on top of the public libsigrok C API, and is designed to be used as | |
31 | a standalone alternative API. Programs should not mix usage of the C and C++ | |
32 | APIs; the C++ interface code needs to have full control of all C API calls for | |
33 | resources to be managed correctly. | |
34 | ||
35 | Memory management | |
36 | ----------------- | |
37 | ||
38 | All runtime objects created through the C++ API are passed and accessed via | |
39 | shared pointers, using the C++11 std::shared_ptr implementation. This means | |
40 | that a reference count is kept for each object. | |
41 | ||
42 | Shared pointers can be copied and assigned in a user's program, automatically | |
43 | updating their reference count and deleting objects when they are no longer in | |
44 | use. The C++ interface code also keeps track of internal dependencies between | |
45 | libsigrok resources, and ensures that objects are not prematurely deleted when | |
46 | their resources are in use by other objects. | |
47 | ||
52ff4f6a UH |
48 | This means that management of libsigrokcxx objects and their underlying |
49 | libsigrok resources can be treated as fully automatic. As long as all shared | |
50 | pointers to objects are deleted or reassigned when no longer in use, all | |
51 | underlying resources will be released at the right time. | |
07443fd2 ML |
52 | |
53 | Getting started | |
54 | --------------- | |
55 | ||
56 | Usage of the C++ API needs to begin with a call to sigrok::Context::create(). | |
57 | This will create the global libsigrok context and returns a shared pointer to | |
58 | the sigrok::Context object. Methods on this object provide access to the | |
59 | hardware drivers, input and output formats supported by the library, as well | |
60 | as means of creating other objects such as sessions and triggers. | |
61 | ||
62 | Error handling | |
63 | -------------- | |
64 | ||
65 | When any libsigrok C API call returns an error, a sigrok::Error exception is | |
66 | raised, which provides access to the error code and description. | |
67 | ||
68 | */ | |
69 | ||
1b40fdb8 UH |
70 | #ifndef LIBSIGROKCXX_HPP |
71 | #define LIBSIGROKCXX_HPP | |
c23c8659 | 72 | |
8b2a1843 | 73 | #include <libsigrok/libsigrok.h> |
cea8c312 DE |
74 | |
75 | /* Suppress warnings due to glibmm's use of std::auto_ptr<> in a public | |
76 | * header file. To be removed once glibmm is fixed. */ | |
77 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS | |
e0e6aecc | 78 | #include <glibmm.h> |
cea8c312 | 79 | G_GNUC_END_IGNORE_DEPRECATIONS |
c23c8659 | 80 | |
5652085a | 81 | #include <functional> |
c23c8659 ML |
82 | #include <stdexcept> |
83 | #include <memory> | |
84 | #include <vector> | |
85 | #include <map> | |
4c7c4194 | 86 | #include <set> |
c23c8659 ML |
87 | |
88 | namespace sigrok | |
89 | { | |
90 | ||
c23c8659 ML |
91 | /* Forward declarations */ |
92 | class SR_API Error; | |
93 | class SR_API Context; | |
94 | class SR_API Driver; | |
95 | class SR_API Device; | |
96 | class SR_API HardwareDevice; | |
97 | class SR_API Channel; | |
c23c8659 ML |
98 | class SR_API Session; |
99 | class SR_API ConfigKey; | |
12f2f640 | 100 | class SR_API Capability; |
c23c8659 ML |
101 | class SR_API InputFormat; |
102 | class SR_API OutputFormat; | |
3cd4b381 | 103 | class SR_API OutputFlag; |
c23c8659 ML |
104 | class SR_API LogLevel; |
105 | class SR_API ChannelGroup; | |
106 | class SR_API Trigger; | |
107 | class SR_API TriggerStage; | |
108 | class SR_API TriggerMatch; | |
109 | class SR_API TriggerMatchType; | |
110 | class SR_API ChannelType; | |
111 | class SR_API Packet; | |
112 | class SR_API PacketPayload; | |
113 | class SR_API PacketType; | |
114 | class SR_API Quantity; | |
115 | class SR_API Unit; | |
116 | class SR_API QuantityFlag; | |
0cee3a3e | 117 | class SR_API Rational; |
ca3291e3 ML |
118 | class SR_API Input; |
119 | class SR_API InputDevice; | |
c23c8659 ML |
120 | class SR_API Output; |
121 | class SR_API DataType; | |
58aa1f83 | 122 | class SR_API Option; |
9fa5b426 | 123 | class SR_API UserDevice; |
c23c8659 ML |
124 | |
125 | /** Exception thrown when an error code is returned by any libsigrok call. */ | |
6c6dd732 | 126 | class SR_API Error: public std::exception |
c23c8659 ML |
127 | { |
128 | public: | |
6c11b496 | 129 | explicit Error(int result); |
15914cdb | 130 | ~Error() noexcept; |
c23c8659 | 131 | const int result; |
15914cdb | 132 | const char *what() const noexcept; |
c23c8659 ML |
133 | }; |
134 | ||
541c855e | 135 | /* Base template for classes whose resources are owned by a parent object. */ |
d5d7b09e | 136 | template <class Class, class Parent> |
541c855e | 137 | class SR_API ParentOwned |
c23c8659 | 138 | { |
21d1bec6 DE |
139 | private: |
140 | /* Weak pointer for shared_from_this() implementation. */ | |
6c6dd732 | 141 | std::weak_ptr<Class> _weak_this; |
21d1bec6 DE |
142 | |
143 | static void reset_parent(Class *object) | |
144 | { | |
145 | if (!object->_parent) | |
146 | throw Error(SR_ERR_BUG); | |
147 | object->_parent.reset(); | |
148 | } | |
149 | ||
7649683c | 150 | protected: |
07443fd2 | 151 | /* Parent object which owns this child object's underlying structure. |
c23c8659 ML |
152 | |
153 | This shared pointer will be null when this child is unused, but | |
154 | will be assigned to point to the parent before any shared pointer | |
155 | to this child is handed out to the user. | |
156 | ||
157 | When the reference count of this child falls to zero, this shared | |
158 | pointer to its parent is reset by a custom deleter on the child's | |
159 | shared pointer. | |
160 | ||
161 | This strategy ensures that the destructors for both the child and | |
162 | the parent are called at the correct time, i.e. only when all | |
163 | references to both the parent and all its children are gone. */ | |
6c6dd732 | 164 | std::shared_ptr<Parent> _parent; |
7649683c | 165 | |
d5d7b09e | 166 | ParentOwned() {} |
0d0170ae | 167 | |
0d0170ae | 168 | /* Note, this implementation will create a new smart_ptr if none exists. */ |
6c6dd732 | 169 | std::shared_ptr<Class> shared_from_this() |
0d0170ae | 170 | { |
6c6dd732 | 171 | std::shared_ptr<Class> shared = _weak_this.lock(); |
0d0170ae | 172 | |
67b82fc9 | 173 | if (!shared) |
0d0170ae | 174 | { |
67b82fc9 | 175 | shared.reset(static_cast<Class *>(this), &reset_parent); |
3b161085 | 176 | _weak_this = shared; |
0d0170ae ML |
177 | } |
178 | ||
179 | return shared; | |
180 | } | |
181 | ||
6c6dd732 | 182 | std::shared_ptr<Class> share_owned_by(std::shared_ptr<Parent> parent) |
7649683c | 183 | { |
78132e2a ML |
184 | if (!parent) |
185 | throw Error(SR_ERR_BUG); | |
3b161085 | 186 | this->_parent = parent; |
0d0170ae | 187 | return shared_from_this(); |
7649683c | 188 | } |
0d0170ae | 189 | |
67b82fc9 DE |
190 | public: |
191 | /* Get parent object that owns this object. */ | |
6c6dd732 | 192 | std::shared_ptr<Parent> parent() |
7649683c | 193 | { |
67b82fc9 | 194 | return _parent; |
7649683c | 195 | } |
c23c8659 ML |
196 | }; |
197 | ||
90e89c2a | 198 | /* Base template for classes whose resources are owned by the user. */ |
d5d7b09e | 199 | template <class Class> |
6c6dd732 | 200 | class SR_API UserOwned : public std::enable_shared_from_this<Class> |
90e89c2a | 201 | { |
90e89c2a | 202 | protected: |
d5d7b09e | 203 | UserOwned() {} |
b4ed33a7 | 204 | |
6c6dd732 | 205 | std::shared_ptr<Class> shared_from_this() |
67b82fc9 | 206 | { |
6c6dd732 | 207 | auto shared = std::enable_shared_from_this<Class>::shared_from_this(); |
67b82fc9 DE |
208 | if (!shared) |
209 | throw Error(SR_ERR_BUG); | |
210 | return shared; | |
211 | } | |
90e89c2a ML |
212 | }; |
213 | ||
c23c8659 | 214 | /** Type of log callback */ |
6c6dd732 | 215 | typedef std::function<void(const LogLevel *, std::string message)> LogCallbackFunction; |
c23c8659 | 216 | |
e2eaf858 DE |
217 | /** Resource reader delegate. */ |
218 | class SR_API ResourceReader | |
219 | { | |
220 | public: | |
221 | ResourceReader() {} | |
222 | virtual ~ResourceReader(); | |
223 | private: | |
224 | /** Resource open hook. */ | |
6c6dd732 | 225 | virtual void open(struct sr_resource *res, std::string name) = 0; |
e2eaf858 DE |
226 | /** Resource close hook. */ |
227 | virtual void close(struct sr_resource *res) = 0; | |
228 | /** Resource read hook. */ | |
229 | virtual size_t read(const struct sr_resource *res, void *buf, size_t count) = 0; | |
230 | ||
231 | static SR_PRIV int open_callback(struct sr_resource *res, | |
0ab8e5d2 | 232 | const char *name, void *cb_data) noexcept; |
e2eaf858 | 233 | static SR_PRIV int close_callback(struct sr_resource *res, |
0ab8e5d2 | 234 | void *cb_data) noexcept; |
32ba0d80 | 235 | static SR_PRIV gssize read_callback(const struct sr_resource *res, |
0ab8e5d2 | 236 | void *buf, size_t count, void *cb_data) noexcept; |
e2eaf858 DE |
237 | friend class Context; |
238 | }; | |
239 | ||
07443fd2 | 240 | /** The global libsigrok context */ |
d5d7b09e | 241 | class SR_API Context : public UserOwned<Context> |
c23c8659 ML |
242 | { |
243 | public: | |
244 | /** Create new context */ | |
6c6dd732 | 245 | static std::shared_ptr<Context> create(); |
c23c8659 | 246 | /** libsigrok package version. */ |
6c6dd732 | 247 | static std::string package_version(); |
c23c8659 | 248 | /** libsigrok library version. */ |
6c6dd732 | 249 | static std::string lib_version(); |
c23c8659 | 250 | /** Available hardware drivers, indexed by name. */ |
6c6dd732 | 251 | std::map<std::string, std::shared_ptr<Driver> > drivers(); |
c23c8659 | 252 | /** Available input formats, indexed by name. */ |
6c6dd732 | 253 | std::map<std::string, std::shared_ptr<InputFormat> > input_formats(); |
092843eb | 254 | /** Lookup the responsible input module for an input file. */ |
6c6dd732 | 255 | std::shared_ptr<InputFormat> input_format_match(std::string filename); |
c23c8659 | 256 | /** Available output formats, indexed by name. */ |
6c6dd732 | 257 | std::map<std::string, std::shared_ptr<OutputFormat> > output_formats(); |
c23c8659 | 258 | /** Current log level. */ |
15bebf57 | 259 | const LogLevel *log_level() const; |
b6f411ac ML |
260 | /** Set the log level. |
261 | * @param level LogLevel to use. */ | |
c23c8659 | 262 | void set_log_level(const LogLevel *level); |
b6f411ac ML |
263 | /** Set the log callback. |
264 | * @param callback Callback of the form callback(LogLevel, string). */ | |
c23c8659 ML |
265 | void set_log_callback(LogCallbackFunction callback); |
266 | /** Set the log callback to the default handler. */ | |
267 | void set_log_callback_default(); | |
e2eaf858 DE |
268 | /** Install a delegate for reading resource files. |
269 | * @param reader The resource reader delegate, or nullptr to unset. */ | |
270 | void set_resource_reader(ResourceReader *reader); | |
c23c8659 | 271 | /** Create a new session. */ |
6c6dd732 | 272 | std::shared_ptr<Session> create_session(); |
9fa5b426 | 273 | /** Create a new user device. */ |
6c6dd732 DA |
274 | std::shared_ptr<UserDevice> create_user_device( |
275 | std::string vendor, std::string model, std::string version); | |
304be4a7 | 276 | /** Create a header packet. */ |
6c6dd732 | 277 | std::shared_ptr<Packet> create_header_packet(Glib::TimeVal start_time); |
304be4a7 | 278 | /** Create a meta packet. */ |
6c6dd732 DA |
279 | std::shared_ptr<Packet> create_meta_packet( |
280 | std::map<const ConfigKey *, Glib::VariantBase> config); | |
304be4a7 | 281 | /** Create a logic packet. */ |
6c6dd732 | 282 | std::shared_ptr<Packet> create_logic_packet( |
304be4a7 ML |
283 | void *data_pointer, size_t data_length, unsigned int unit_size); |
284 | /** Create an analog packet. */ | |
6c6dd732 DA |
285 | std::shared_ptr<Packet> create_analog_packet( |
286 | std::vector<std::shared_ptr<Channel> > channels, | |
895cbcdd | 287 | const float *data_pointer, unsigned int num_samples, const Quantity *mq, |
6c6dd732 | 288 | const Unit *unit, std::vector<const QuantityFlag *> mqflags); |
a9ed2eb0 | 289 | /** Create an end packet. */ |
6c6dd732 | 290 | std::shared_ptr<Packet> create_end_packet(); |
b6f411ac ML |
291 | /** Load a saved session. |
292 | * @param filename File name string. */ | |
6c6dd732 | 293 | std::shared_ptr<Session> load_session(std::string filename); |
b6f411ac ML |
294 | /** Create a new trigger. |
295 | * @param name Name string for new trigger. */ | |
6c6dd732 | 296 | std::shared_ptr<Trigger> create_trigger(std::string name); |
ca3291e3 ML |
297 | /** Open an input file. |
298 | * @param filename File name string. */ | |
6c6dd732 | 299 | std::shared_ptr<Input> open_file(std::string filename); |
ca3291e3 ML |
300 | /** Open an input stream based on header data. |
301 | * @param header Initial data from stream. */ | |
6c6dd732 DA |
302 | std::shared_ptr<Input> open_stream(std::string header); |
303 | std::map<std::string, std::string> serials(std::shared_ptr<Driver> driver) const; | |
21d1bec6 | 304 | private: |
d5d7b09e | 305 | struct sr_context *_structure; |
6c6dd732 DA |
306 | std::map<std::string, std::unique_ptr<Driver> > _drivers; |
307 | std::map<std::string, std::unique_ptr<InputFormat> > _input_formats; | |
308 | std::map<std::string, std::unique_ptr<OutputFormat> > _output_formats; | |
3b161085 ML |
309 | Session *_session; |
310 | LogCallbackFunction _log_callback; | |
c23c8659 ML |
311 | Context(); |
312 | ~Context(); | |
c23c8659 ML |
313 | friend class Session; |
314 | friend class Driver; | |
01451225 | 315 | friend struct std::default_delete<Context>; |
c23c8659 ML |
316 | }; |
317 | ||
c23c8659 ML |
318 | /** An object that can be configured. */ |
319 | class SR_API Configurable | |
320 | { | |
321 | public: | |
36bb818d | 322 | /** Supported configuration keys. */ |
6c6dd732 | 323 | std::set<const ConfigKey *> config_keys() const; |
b6f411ac ML |
324 | /** Read configuration for the given key. |
325 | * @param key ConfigKey to read. */ | |
15bebf57 | 326 | Glib::VariantBase config_get(const ConfigKey *key) const; |
b6f411ac ML |
327 | /** Set configuration for the given key to a specified value. |
328 | * @param key ConfigKey to set. | |
329 | * @param value Value to set. */ | |
d370545d | 330 | void config_set(const ConfigKey *key, const Glib::VariantBase &value); |
b6f411ac ML |
331 | /** Enumerate available values for the given configuration key. |
332 | * @param key ConfigKey to enumerate values for. */ | |
15bebf57 | 333 | Glib::VariantContainerBase config_list(const ConfigKey *key) const; |
36bb818d ML |
334 | /** Enumerate configuration capabilities for the given configuration key. |
335 | * @param key ConfigKey to enumerate capabilities for. */ | |
6c6dd732 | 336 | std::set<const Capability *> config_capabilities(const ConfigKey *key) const; |
36bb818d ML |
337 | /** Check whether a configuration capability is supported for a given key. |
338 | * @param key ConfigKey to check. | |
e7eb2968 | 339 | * @param capability Capability to check for. */ |
36bb818d | 340 | bool config_check(const ConfigKey *key, const Capability *capability) const; |
c23c8659 ML |
341 | protected: |
342 | Configurable( | |
343 | struct sr_dev_driver *driver, | |
344 | struct sr_dev_inst *sdi, | |
345 | struct sr_channel_group *channel_group); | |
346 | virtual ~Configurable(); | |
347 | struct sr_dev_driver *config_driver; | |
348 | struct sr_dev_inst *config_sdi; | |
349 | struct sr_channel_group *config_channel_group; | |
350 | }; | |
351 | ||
59b74d28 | 352 | /** A hardware driver provided by the library */ |
36bb818d | 353 | class SR_API Driver : public ParentOwned<Driver, Context>, public Configurable |
59b74d28 ML |
354 | { |
355 | public: | |
356 | /** Name of this driver. */ | |
6c6dd732 | 357 | std::string name() const; |
59b74d28 | 358 | /** Long name for this driver. */ |
6c6dd732 | 359 | std::string long_name() const; |
36bb818d | 360 | /** Scan options supported by this driver. */ |
6c6dd732 | 361 | std::set<const ConfigKey *> scan_options() const; |
59b74d28 ML |
362 | /** Scan for devices and return a list of devices found. |
363 | * @param options Mapping of (ConfigKey, value) pairs. */ | |
6c6dd732 DA |
364 | std::vector<std::shared_ptr<HardwareDevice> > scan(std::map<const ConfigKey *, Glib::VariantBase> |
365 | options = std::map<const ConfigKey *, Glib::VariantBase>()); | |
21d1bec6 | 366 | private: |
d5d7b09e | 367 | struct sr_dev_driver *_structure; |
3b161085 | 368 | bool _initialized; |
6c6dd732 | 369 | std::vector<HardwareDevice *> _devices; |
6c11b496 | 370 | explicit Driver(struct sr_dev_driver *structure); |
59b74d28 ML |
371 | ~Driver(); |
372 | friend class Context; | |
373 | friend class HardwareDevice; | |
374 | friend class ChannelGroup; | |
01451225 | 375 | friend struct std::default_delete<Driver>; |
59b74d28 ML |
376 | }; |
377 | ||
07443fd2 | 378 | /** A generic device, either hardware or virtual */ |
d01d2314 | 379 | class SR_API Device : public Configurable |
c23c8659 ML |
380 | { |
381 | public: | |
382 | /** Vendor name for this device. */ | |
6c6dd732 | 383 | std::string vendor() const; |
c23c8659 | 384 | /** Model name for this device. */ |
6c6dd732 | 385 | std::string model() const; |
c23c8659 | 386 | /** Version string for this device. */ |
6c6dd732 | 387 | std::string version() const; |
d1075e5a | 388 | /** Serial number for this device. */ |
6c6dd732 | 389 | std::string serial_number() const; |
d1075e5a | 390 | /** Connection ID for this device. */ |
6c6dd732 | 391 | std::string connection_id() const; |
c23c8659 | 392 | /** List of the channels available on this device. */ |
6c6dd732 | 393 | std::vector<std::shared_ptr<Channel> > channels(); |
6be7a7f2 | 394 | /** Channel groups available on this device, indexed by name. */ |
6c6dd732 | 395 | std::map<std::string, std::shared_ptr<ChannelGroup> > channel_groups(); |
c23c8659 ML |
396 | /** Open device. */ |
397 | void open(); | |
398 | /** Close device. */ | |
399 | void close(); | |
400 | protected: | |
6c11b496 | 401 | explicit Device(struct sr_dev_inst *structure); |
c23c8659 | 402 | ~Device(); |
6c6dd732 DA |
403 | virtual std::shared_ptr<Device> get_shared_from_this() = 0; |
404 | std::shared_ptr<Channel> get_channel(struct sr_channel *ptr); | |
21d1bec6 | 405 | |
3b161085 | 406 | struct sr_dev_inst *_structure; |
6c6dd732 | 407 | std::map<struct sr_channel *, std::unique_ptr<Channel> > _channels; |
21d1bec6 | 408 | private: |
6c6dd732 | 409 | std::map<std::string, std::unique_ptr<ChannelGroup> > _channel_groups; |
a98729a7 | 410 | |
c23c8659 ML |
411 | friend class Session; |
412 | friend class Channel; | |
413 | friend class ChannelGroup; | |
414 | friend class Output; | |
dd13d47a | 415 | friend class Analog; |
01451225 | 416 | friend struct std::default_delete<Device>; |
c23c8659 ML |
417 | }; |
418 | ||
07443fd2 | 419 | /** A real hardware device, connected via a driver */ |
6e5240f4 | 420 | class SR_API HardwareDevice : |
d5d7b09e | 421 | public UserOwned<HardwareDevice>, |
6e5240f4 | 422 | public Device |
c23c8659 ML |
423 | { |
424 | public: | |
425 | /** Driver providing this device. */ | |
6c6dd732 | 426 | std::shared_ptr<Driver> driver(); |
21d1bec6 | 427 | private: |
6c6dd732 | 428 | HardwareDevice(std::shared_ptr<Driver> driver, struct sr_dev_inst *structure); |
c23c8659 | 429 | ~HardwareDevice(); |
6c6dd732 DA |
430 | std::shared_ptr<Device> get_shared_from_this(); |
431 | std::shared_ptr<Driver> _driver; | |
a98729a7 | 432 | |
c23c8659 ML |
433 | friend class Driver; |
434 | friend class ChannelGroup; | |
01451225 | 435 | friend struct std::default_delete<HardwareDevice>; |
c23c8659 ML |
436 | }; |
437 | ||
9fa5b426 ML |
438 | /** A virtual device, created by the user */ |
439 | class SR_API UserDevice : | |
d5d7b09e | 440 | public UserOwned<UserDevice>, |
9fa5b426 ML |
441 | public Device |
442 | { | |
443 | public: | |
444 | /** Add a new channel to this device. */ | |
6c6dd732 | 445 | std::shared_ptr<Channel> add_channel(unsigned int index, const ChannelType *type, std::string name); |
21d1bec6 | 446 | private: |
6c6dd732 | 447 | UserDevice(std::string vendor, std::string model, std::string version); |
9fa5b426 | 448 | ~UserDevice(); |
6c6dd732 | 449 | std::shared_ptr<Device> get_shared_from_this(); |
a98729a7 | 450 | |
9fa5b426 | 451 | friend class Context; |
01451225 | 452 | friend struct std::default_delete<UserDevice>; |
9fa5b426 ML |
453 | }; |
454 | ||
07443fd2 | 455 | /** A channel on a device */ |
bf52cc8c | 456 | class SR_API Channel : |
d5d7b09e | 457 | public ParentOwned<Channel, Device> |
c23c8659 ML |
458 | { |
459 | public: | |
460 | /** Current name of this channel. */ | |
6c6dd732 | 461 | std::string name() const; |
b6f411ac ML |
462 | /** Set the name of this channel. * |
463 | * @param name Name string to set. */ | |
6c6dd732 | 464 | void set_name(std::string name); |
c23c8659 | 465 | /** Type of this channel. */ |
15bebf57 | 466 | const ChannelType *type() const; |
c23c8659 | 467 | /** Enabled status of this channel. */ |
15bebf57 | 468 | bool enabled() const; |
b6f411ac ML |
469 | /** Set the enabled status of this channel. |
470 | * @param value Boolean value to set. */ | |
c23c8659 | 471 | void set_enabled(bool value); |
06bd935e | 472 | /** Get the index number of this channel. */ |
15bebf57 | 473 | unsigned int index() const; |
21d1bec6 | 474 | private: |
6c11b496 | 475 | explicit Channel(struct sr_channel *structure); |
c23c8659 | 476 | ~Channel(); |
d5d7b09e | 477 | struct sr_channel *_structure; |
3b161085 | 478 | const ChannelType * const _type; |
c23c8659 | 479 | friend class Device; |
9fa5b426 | 480 | friend class UserDevice; |
c23c8659 ML |
481 | friend class ChannelGroup; |
482 | friend class Session; | |
483 | friend class TriggerStage; | |
304be4a7 | 484 | friend class Context; |
01451225 | 485 | friend struct std::default_delete<Channel>; |
c23c8659 ML |
486 | }; |
487 | ||
07443fd2 | 488 | /** A group of channels on a device, which share some configuration */ |
c23c8659 | 489 | class SR_API ChannelGroup : |
d5d7b09e | 490 | public ParentOwned<ChannelGroup, Device>, |
c23c8659 ML |
491 | public Configurable |
492 | { | |
493 | public: | |
494 | /** Name of this channel group. */ | |
6c6dd732 | 495 | std::string name() const; |
c23c8659 | 496 | /** List of the channels in this group. */ |
6c6dd732 | 497 | std::vector<std::shared_ptr<Channel> > channels(); |
21d1bec6 | 498 | private: |
f17b4546 | 499 | ChannelGroup(const Device *device, struct sr_channel_group *structure); |
c23c8659 | 500 | ~ChannelGroup(); |
6c6dd732 | 501 | std::vector<Channel *> _channels; |
6be7a7f2 | 502 | friend class Device; |
01451225 | 503 | friend struct std::default_delete<ChannelGroup>; |
c23c8659 ML |
504 | }; |
505 | ||
07443fd2 | 506 | /** A trigger configuration */ |
d5d7b09e | 507 | class SR_API Trigger : public UserOwned<Trigger> |
c23c8659 ML |
508 | { |
509 | public: | |
b6f411ac | 510 | /** Name of this trigger configuration. */ |
6c6dd732 | 511 | std::string name() const; |
b6f411ac | 512 | /** List of the stages in this trigger. */ |
6c6dd732 | 513 | std::vector<std::shared_ptr<TriggerStage> > stages(); |
b6f411ac | 514 | /** Add a new stage to this trigger. */ |
6c6dd732 | 515 | std::shared_ptr<TriggerStage> add_stage(); |
21d1bec6 | 516 | private: |
6c6dd732 | 517 | Trigger(std::shared_ptr<Context> context, std::string name); |
c23c8659 | 518 | ~Trigger(); |
d5d7b09e | 519 | struct sr_trigger *_structure; |
6c6dd732 DA |
520 | std::shared_ptr<Context> _context; |
521 | std::vector<std::unique_ptr<TriggerStage> > _stages; | |
c23c8659 | 522 | friend class Context; |
6fa0eb86 | 523 | friend class Session; |
01451225 | 524 | friend struct std::default_delete<Trigger>; |
c23c8659 ML |
525 | }; |
526 | ||
07443fd2 | 527 | /** A stage in a trigger configuration */ |
bf52cc8c | 528 | class SR_API TriggerStage : |
d5d7b09e | 529 | public ParentOwned<TriggerStage, Trigger> |
c23c8659 ML |
530 | { |
531 | public: | |
b6f411ac | 532 | /** Index number of this stage. */ |
15bebf57 | 533 | int number() const; |
b6f411ac | 534 | /** List of match conditions on this stage. */ |
6c6dd732 | 535 | std::vector<std::shared_ptr<TriggerMatch> > matches(); |
b6f411ac ML |
536 | /** Add a new match condition to this stage. |
537 | * @param channel Channel to match on. | |
538 | * @param type TriggerMatchType to apply. */ | |
6c6dd732 | 539 | void add_match(std::shared_ptr<Channel> channel, const TriggerMatchType *type); |
b6f411ac ML |
540 | /** Add a new match condition to this stage. |
541 | * @param channel Channel to match on. | |
542 | * @param type TriggerMatchType to apply. | |
543 | * @param value Threshold value. */ | |
6c6dd732 | 544 | void add_match(std::shared_ptr<Channel> channel, const TriggerMatchType *type, float value); |
21d1bec6 | 545 | private: |
d5d7b09e | 546 | struct sr_trigger_stage *_structure; |
6c6dd732 | 547 | std::vector<std::unique_ptr<TriggerMatch> > _matches; |
6c11b496 | 548 | explicit TriggerStage(struct sr_trigger_stage *structure); |
c23c8659 ML |
549 | ~TriggerStage(); |
550 | friend class Trigger; | |
01451225 | 551 | friend struct std::default_delete<TriggerStage>; |
c23c8659 ML |
552 | }; |
553 | ||
07443fd2 | 554 | /** A match condition in a trigger configuration */ |
bf52cc8c | 555 | class SR_API TriggerMatch : |
d5d7b09e | 556 | public ParentOwned<TriggerMatch, TriggerStage> |
c23c8659 ML |
557 | { |
558 | public: | |
b6f411ac | 559 | /** Channel this condition matches on. */ |
6c6dd732 | 560 | std::shared_ptr<Channel> channel(); |
b6f411ac | 561 | /** Type of match. */ |
15bebf57 | 562 | const TriggerMatchType *type() const; |
b6f411ac | 563 | /** Threshold value. */ |
15bebf57 | 564 | float value() const; |
21d1bec6 | 565 | private: |
6c6dd732 | 566 | TriggerMatch(struct sr_trigger_match *structure, std::shared_ptr<Channel> channel); |
c23c8659 | 567 | ~TriggerMatch(); |
d5d7b09e | 568 | struct sr_trigger_match *_structure; |
6c6dd732 | 569 | std::shared_ptr<Channel> _channel; |
c23c8659 | 570 | friend class TriggerStage; |
01451225 | 571 | friend struct std::default_delete<TriggerMatch>; |
c23c8659 ML |
572 | }; |
573 | ||
f91cf612 | 574 | /** Type of session stopped callback */ |
6c6dd732 | 575 | typedef std::function<void()> SessionStoppedCallback; |
f91cf612 | 576 | |
c23c8659 | 577 | /** Type of datafeed callback */ |
6c6dd732 | 578 | typedef std::function<void(std::shared_ptr<Device>, std::shared_ptr<Packet>)> |
c23c8659 ML |
579 | DatafeedCallbackFunction; |
580 | ||
07443fd2 | 581 | /* Data required for C callback function to call a C++ datafeed callback */ |
c23c8659 ML |
582 | class SR_PRIV DatafeedCallbackData |
583 | { | |
584 | public: | |
585 | void run(const struct sr_dev_inst *sdi, | |
586 | const struct sr_datafeed_packet *pkt); | |
21d1bec6 | 587 | private: |
3b161085 | 588 | DatafeedCallbackFunction _callback; |
c23c8659 ML |
589 | DatafeedCallbackData(Session *session, |
590 | DatafeedCallbackFunction callback); | |
3b161085 | 591 | Session *_session; |
c23c8659 ML |
592 | friend class Session; |
593 | }; | |
594 | ||
cac58676 ML |
595 | /** A virtual device associated with a stored session */ |
596 | class SR_API SessionDevice : | |
d5d7b09e | 597 | public ParentOwned<SessionDevice, Session>, |
cac58676 ML |
598 | public Device |
599 | { | |
21d1bec6 | 600 | private: |
6c11b496 | 601 | explicit SessionDevice(struct sr_dev_inst *sdi); |
cac58676 | 602 | ~SessionDevice(); |
6c6dd732 | 603 | std::shared_ptr<Device> get_shared_from_this(); |
a98729a7 | 604 | |
cac58676 | 605 | friend class Session; |
01451225 | 606 | friend struct std::default_delete<SessionDevice>; |
cac58676 ML |
607 | }; |
608 | ||
07443fd2 | 609 | /** A sigrok session */ |
d5d7b09e | 610 | class SR_API Session : public UserOwned<Session> |
c23c8659 ML |
611 | { |
612 | public: | |
b6f411ac ML |
613 | /** Add a device to this session. |
614 | * @param device Device to add. */ | |
6c6dd732 | 615 | void add_device(std::shared_ptr<Device> device); |
c23c8659 | 616 | /** List devices attached to this session. */ |
6c6dd732 | 617 | std::vector<std::shared_ptr<Device> > devices(); |
c23c8659 ML |
618 | /** Remove all devices from this session. */ |
619 | void remove_devices(); | |
b6f411ac ML |
620 | /** Add a datafeed callback to this session. |
621 | * @param callback Callback of the form callback(Device, Packet). */ | |
c23c8659 ML |
622 | void add_datafeed_callback(DatafeedCallbackFunction callback); |
623 | /** Remove all datafeed callbacks from this session. */ | |
624 | void remove_datafeed_callbacks(); | |
c23c8659 ML |
625 | /** Start the session. */ |
626 | void start(); | |
627 | /** Run the session event loop. */ | |
628 | void run(); | |
629 | /** Stop the session. */ | |
630 | void stop(); | |
f91cf612 DE |
631 | /** Return whether the session is running. */ |
632 | bool is_running() const; | |
633 | /** Set callback to be invoked on session stop. */ | |
634 | void set_stopped_callback(SessionStoppedCallback callback); | |
6fa0eb86 | 635 | /** Get current trigger setting. */ |
6c6dd732 | 636 | std::shared_ptr<Trigger> trigger(); |
624d1610 | 637 | /** Get the context. */ |
6c6dd732 | 638 | std::shared_ptr<Context> context(); |
b6f411ac ML |
639 | /** Set trigger setting. |
640 | * @param trigger Trigger object to use. */ | |
6c6dd732 | 641 | void set_trigger(std::shared_ptr<Trigger> trigger); |
1411f7d8 | 642 | /** Get filename this session was loaded from. */ |
6c6dd732 | 643 | std::string filename() const; |
21d1bec6 | 644 | private: |
6c6dd732 DA |
645 | explicit Session(std::shared_ptr<Context> context); |
646 | Session(std::shared_ptr<Context> context, std::string filename); | |
c23c8659 | 647 | ~Session(); |
6c6dd732 | 648 | std::shared_ptr<Device> get_device(const struct sr_dev_inst *sdi); |
d5d7b09e | 649 | struct sr_session *_structure; |
6c6dd732 DA |
650 | const std::shared_ptr<Context> _context; |
651 | std::map<const struct sr_dev_inst *, std::unique_ptr<SessionDevice> > _owned_devices; | |
652 | std::map<const struct sr_dev_inst *, std::shared_ptr<Device> > _other_devices; | |
653 | std::vector<std::unique_ptr<DatafeedCallbackData> > _datafeed_callbacks; | |
f91cf612 | 654 | SessionStoppedCallback _stopped_callback; |
6c6dd732 DA |
655 | std::string _filename; |
656 | std::shared_ptr<Trigger> _trigger; | |
a98729a7 | 657 | |
c23c8659 ML |
658 | friend class Context; |
659 | friend class DatafeedCallbackData; | |
98d39b91 | 660 | friend class SessionDevice; |
01451225 | 661 | friend struct std::default_delete<Session>; |
c23c8659 ML |
662 | }; |
663 | ||
07443fd2 | 664 | /** A packet on the session datafeed */ |
d5d7b09e | 665 | class SR_API Packet : public UserOwned<Packet> |
c23c8659 ML |
666 | { |
667 | public: | |
90ba83f2 | 668 | /** Type of this packet. */ |
15bebf57 | 669 | const PacketType *type() const; |
c23c8659 | 670 | /** Payload of this packet. */ |
6c6dd732 | 671 | std::shared_ptr<PacketPayload> payload(); |
21d1bec6 | 672 | private: |
6c6dd732 | 673 | Packet(std::shared_ptr<Device> device, |
2928f47d | 674 | const struct sr_datafeed_packet *structure); |
c23c8659 | 675 | ~Packet(); |
d5d7b09e | 676 | const struct sr_datafeed_packet *_structure; |
6c6dd732 DA |
677 | std::shared_ptr<Device> _device; |
678 | std::unique_ptr<PacketPayload> _payload; | |
a98729a7 | 679 | |
c23c8659 ML |
680 | friend class Session; |
681 | friend class Output; | |
682 | friend class DatafeedCallbackData; | |
2928f47d ML |
683 | friend class Header; |
684 | friend class Meta; | |
685 | friend class Logic; | |
dd13d47a | 686 | friend class Analog; |
304be4a7 | 687 | friend class Context; |
01451225 | 688 | friend struct std::default_delete<Packet>; |
c23c8659 ML |
689 | }; |
690 | ||
07443fd2 | 691 | /** Abstract base class for datafeed packet payloads */ |
c23c8659 ML |
692 | class SR_API PacketPayload |
693 | { | |
694 | protected: | |
695 | PacketPayload(); | |
696 | virtual ~PacketPayload() = 0; | |
67b82fc9 | 697 | private: |
6c6dd732 | 698 | virtual std::shared_ptr<PacketPayload> share_owned_by(std::shared_ptr<Packet> parent) = 0; |
21d1bec6 | 699 | |
c23c8659 ML |
700 | friend class Packet; |
701 | friend class Output; | |
01451225 | 702 | friend struct std::default_delete<PacketPayload>; |
c23c8659 ML |
703 | }; |
704 | ||
2928f47d | 705 | /** Payload of a datafeed header packet */ |
4cd883a7 | 706 | class SR_API Header : |
d5d7b09e | 707 | public ParentOwned<Header, Packet>, |
4cd883a7 | 708 | public PacketPayload |
2928f47d ML |
709 | { |
710 | public: | |
b6f411ac | 711 | /* Feed version number. */ |
15bebf57 | 712 | int feed_version() const; |
b6f411ac | 713 | /* Start time of this session. */ |
15bebf57 | 714 | Glib::TimeVal start_time() const; |
21d1bec6 | 715 | private: |
6c11b496 | 716 | explicit Header(const struct sr_datafeed_header *structure); |
2928f47d | 717 | ~Header(); |
6c6dd732 | 718 | std::shared_ptr<PacketPayload> share_owned_by(std::shared_ptr<Packet> parent); |
d5d7b09e DE |
719 | |
720 | const struct sr_datafeed_header *_structure; | |
721 | ||
2928f47d ML |
722 | friend class Packet; |
723 | }; | |
724 | ||
725 | /** Payload of a datafeed metadata packet */ | |
4cd883a7 | 726 | class SR_API Meta : |
d5d7b09e | 727 | public ParentOwned<Meta, Packet>, |
4cd883a7 | 728 | public PacketPayload |
2928f47d ML |
729 | { |
730 | public: | |
b6f411ac | 731 | /* Mapping of (ConfigKey, value) pairs. */ |
6c6dd732 | 732 | std::map<const ConfigKey *, Glib::VariantBase> config() const; |
21d1bec6 | 733 | private: |
6c11b496 | 734 | explicit Meta(const struct sr_datafeed_meta *structure); |
2928f47d | 735 | ~Meta(); |
6c6dd732 | 736 | std::shared_ptr<PacketPayload> share_owned_by(std::shared_ptr<Packet> parent); |
d5d7b09e DE |
737 | |
738 | const struct sr_datafeed_meta *_structure; | |
6c6dd732 | 739 | std::map<const ConfigKey *, Glib::VariantBase> _config; |
d5d7b09e | 740 | |
2928f47d ML |
741 | friend class Packet; |
742 | }; | |
743 | ||
07443fd2 | 744 | /** Payload of a datafeed packet with logic data */ |
4cd883a7 | 745 | class SR_API Logic : |
d5d7b09e | 746 | public ParentOwned<Logic, Packet>, |
4cd883a7 | 747 | public PacketPayload |
c23c8659 | 748 | { |
2928f47d ML |
749 | public: |
750 | /* Pointer to data. */ | |
3b161085 | 751 | void *data_pointer(); |
2928f47d | 752 | /* Data length in bytes. */ |
15bebf57 | 753 | size_t data_length() const; |
2928f47d | 754 | /* Size of each sample in bytes. */ |
15bebf57 | 755 | unsigned int unit_size() const; |
21d1bec6 | 756 | private: |
6c11b496 | 757 | explicit Logic(const struct sr_datafeed_logic *structure); |
c23c8659 | 758 | ~Logic(); |
6c6dd732 | 759 | std::shared_ptr<PacketPayload> share_owned_by(std::shared_ptr<Packet> parent); |
d5d7b09e DE |
760 | |
761 | const struct sr_datafeed_logic *_structure; | |
762 | ||
c23c8659 | 763 | friend class Packet; |
6ad2fbaa SA |
764 | friend class Analog; |
765 | friend struct std::default_delete<Logic>; | |
c23c8659 ML |
766 | }; |
767 | ||
07443fd2 | 768 | /** Payload of a datafeed packet with analog data */ |
dd13d47a | 769 | class SR_API Analog : |
d5d7b09e | 770 | public ParentOwned<Analog, Packet>, |
4cd883a7 | 771 | public PacketPayload |
c23c8659 ML |
772 | { |
773 | public: | |
2928f47d | 774 | /** Pointer to data. */ |
dd13d47a | 775 | void *data_pointer(); |
c5d081f7 SA |
776 | /** |
777 | * Fills dest pointer with the analog data converted to float. | |
778 | * The pointer must have space for num_samples() floats. | |
779 | */ | |
780 | void get_data_as_float(float *dest); | |
c23c8659 | 781 | /** Number of samples in this packet. */ |
15bebf57 | 782 | unsigned int num_samples() const; |
2928f47d | 783 | /** Channels for which this packet contains data. */ |
6c6dd732 | 784 | std::vector<std::shared_ptr<Channel> > channels(); |
0cee3a3e SA |
785 | /** Size of a single sample in bytes. */ |
786 | unsigned int unitsize() const; | |
787 | /** Samples use a signed data type. */ | |
788 | bool is_signed() const; | |
789 | /** Samples use float. */ | |
790 | bool is_float() const; | |
791 | /** Samples are stored in big-endian order. */ | |
792 | bool is_bigendian() const; | |
793 | /** | |
794 | * Number of significant digits after the decimal point if positive, | |
795 | * or number of non-significant digits before the decimal point if negative | |
796 | * (refers to the value we actually read on the wire). | |
797 | */ | |
798 | int digits() const; | |
799 | /** TBD */ | |
800 | bool is_digits_decimal() const; | |
801 | /** TBD */ | |
6c6dd732 | 802 | std::shared_ptr<Rational> scale(); |
0cee3a3e | 803 | /** TBD */ |
6c6dd732 | 804 | std::shared_ptr<Rational> offset(); |
c23c8659 | 805 | /** Measured quantity of the samples in this packet. */ |
15bebf57 | 806 | const Quantity *mq() const; |
c23c8659 | 807 | /** Unit of the samples in this packet. */ |
15bebf57 | 808 | const Unit *unit() const; |
c23c8659 | 809 | /** Measurement flags associated with the samples in this packet. */ |
6c6dd732 | 810 | std::vector<const QuantityFlag *> mq_flags() const; |
6ad2fbaa SA |
811 | /** |
812 | * Provides a Logic packet that contains a conversion of the analog | |
813 | * data using a simple threshold. | |
814 | * | |
815 | * @param threshold Threshold to use. | |
816 | * @param data_ptr Pointer to num_samples() bytes where the logic | |
817 | * samples are stored. When nullptr, memory for | |
818 | * logic->data_pointer() will be allocated and must | |
819 | * be freed by the caller. | |
820 | */ | |
6c6dd732 | 821 | std::shared_ptr<Logic> get_logic_via_threshold(float threshold, |
6ad2fbaa SA |
822 | uint8_t *data_ptr=nullptr) const; |
823 | /** | |
824 | * Provides a Logic packet that contains a conversion of the analog | |
825 | * data using a Schmitt-Trigger. | |
826 | * | |
827 | * @param lo_thr Low threshold to use (anything below this is low). | |
828 | * @param hi_thr High threshold to use (anything above this is high). | |
829 | * @param state Points to a byte that contains the current state of the | |
830 | * converter. For best results, set to value of logic | |
831 | * sample n-1. | |
832 | * @param data_ptr Pointer to num_samples() bytes where the logic | |
833 | * samples are stored. When nullptr, memory for | |
834 | * logic->data_pointer() will be allocated and must be | |
835 | * freed by the caller. | |
836 | */ | |
6c6dd732 | 837 | std::shared_ptr<Logic> get_logic_via_schmitt_trigger(float lo_thr, |
6ad2fbaa | 838 | float hi_thr, uint8_t *state, uint8_t *data_ptr=nullptr) const; |
21d1bec6 | 839 | private: |
6c11b496 | 840 | explicit Analog(const struct sr_datafeed_analog *structure); |
dd13d47a | 841 | ~Analog(); |
6c6dd732 | 842 | std::shared_ptr<PacketPayload> share_owned_by(std::shared_ptr<Packet> parent); |
d5d7b09e DE |
843 | |
844 | const struct sr_datafeed_analog *_structure; | |
845 | ||
c23c8659 ML |
846 | friend class Packet; |
847 | }; | |
848 | ||
0cee3a3e SA |
849 | /** Number represented by a numerator/denominator integer pair */ |
850 | class SR_API Rational : | |
851 | public ParentOwned<Rational, Analog> | |
852 | { | |
853 | public: | |
854 | /** Numerator, i.e. the dividend. */ | |
855 | int64_t numerator() const; | |
856 | /** Denominator, i.e. the divider. */ | |
857 | uint64_t denominator() const; | |
858 | /** Actual (lossy) value. */ | |
859 | float value() const; | |
860 | private: | |
861 | explicit Rational(const struct sr_rational *structure); | |
862 | ~Rational(); | |
6c6dd732 | 863 | std::shared_ptr<Rational> share_owned_by(std::shared_ptr<Analog> parent); |
0cee3a3e SA |
864 | |
865 | const struct sr_rational *_structure; | |
866 | ||
867 | friend class Analog; | |
868 | friend struct std::default_delete<Rational>; | |
869 | }; | |
870 | ||
07443fd2 | 871 | /** An input format supported by the library */ |
c23c8659 | 872 | class SR_API InputFormat : |
d5d7b09e | 873 | public ParentOwned<InputFormat, Context> |
c23c8659 ML |
874 | { |
875 | public: | |
876 | /** Name of this input format. */ | |
6c6dd732 | 877 | std::string name() const; |
c23c8659 | 878 | /** Description of this input format. */ |
6c6dd732 | 879 | std::string description() const; |
c7bc82ff | 880 | /** A list of preferred file name extensions for this file format. |
e7eb2968 | 881 | * @note This list is a recommendation only. */ |
6c6dd732 | 882 | std::vector<std::string> extensions() const; |
ca3291e3 | 883 | /** Options supported by this input format. */ |
6c6dd732 | 884 | std::map<std::string, std::shared_ptr<Option> > options(); |
ca3291e3 ML |
885 | /** Create an input using this input format. |
886 | * @param options Mapping of (option name, value) pairs. */ | |
6c6dd732 DA |
887 | std::shared_ptr<Input> create_input(std::map<std::string, Glib::VariantBase> |
888 | options = std::map<std::string, Glib::VariantBase>()); | |
21d1bec6 | 889 | private: |
6c11b496 | 890 | explicit InputFormat(const struct sr_input_module *structure); |
c23c8659 | 891 | ~InputFormat(); |
d5d7b09e DE |
892 | |
893 | const struct sr_input_module *_structure; | |
894 | ||
c23c8659 | 895 | friend class Context; |
ca3291e3 | 896 | friend class InputDevice; |
01451225 | 897 | friend struct std::default_delete<InputFormat>; |
c23c8659 ML |
898 | }; |
899 | ||
ca3291e3 | 900 | /** An input instance (an input format applied to a file or stream) */ |
d5d7b09e | 901 | class SR_API Input : public UserOwned<Input> |
c23c8659 ML |
902 | { |
903 | public: | |
ca3291e3 | 904 | /** Virtual device associated with this input. */ |
6c6dd732 | 905 | std::shared_ptr<InputDevice> device(); |
ca3291e3 | 906 | /** Send next stream data. |
2b51d48b ML |
907 | * @param data Next stream data. |
908 | * @param length Length of data. */ | |
909 | void send(void *data, size_t length); | |
9c51e8ec ML |
910 | /** Signal end of input data. */ |
911 | void end(); | |
b6b4f03e | 912 | void reset(); |
21d1bec6 | 913 | private: |
6c6dd732 | 914 | Input(std::shared_ptr<Context> context, const struct sr_input *structure); |
ca3291e3 | 915 | ~Input(); |
d5d7b09e | 916 | const struct sr_input *_structure; |
6c6dd732 DA |
917 | std::shared_ptr<Context> _context; |
918 | std::unique_ptr<InputDevice> _device; | |
a98729a7 | 919 | |
ca3291e3 | 920 | friend class Context; |
c23c8659 | 921 | friend class InputFormat; |
01451225 | 922 | friend struct std::default_delete<Input>; |
c23c8659 ML |
923 | }; |
924 | ||
ca3291e3 | 925 | /** A virtual device associated with an input */ |
6e5240f4 | 926 | class SR_API InputDevice : |
d5d7b09e | 927 | public ParentOwned<InputDevice, Input>, |
6e5240f4 | 928 | public Device |
ca3291e3 | 929 | { |
21d1bec6 | 930 | private: |
6c6dd732 | 931 | InputDevice(std::shared_ptr<Input> input, struct sr_dev_inst *sdi); |
ca3291e3 | 932 | ~InputDevice(); |
6c6dd732 DA |
933 | std::shared_ptr<Device> get_shared_from_this(); |
934 | std::shared_ptr<Input> _input; | |
ca3291e3 | 935 | friend class Input; |
01451225 | 936 | friend struct std::default_delete<InputDevice>; |
ca3291e3 ML |
937 | }; |
938 | ||
58aa1f83 | 939 | /** An option used by an output format */ |
d5d7b09e | 940 | class SR_API Option : public UserOwned<Option> |
58aa1f83 ML |
941 | { |
942 | public: | |
943 | /** Short name of this option suitable for command line usage. */ | |
6c6dd732 | 944 | std::string id() const; |
58aa1f83 | 945 | /** Short name of this option suitable for GUI usage. */ |
6c6dd732 | 946 | std::string name() const; |
58aa1f83 | 947 | /** Description of this option in a sentence. */ |
6c6dd732 | 948 | std::string description() const; |
58aa1f83 | 949 | /** Default value for this option. */ |
15bebf57 | 950 | Glib::VariantBase default_value() const; |
58aa1f83 | 951 | /** Possible values for this option, if a limited set. */ |
6c6dd732 | 952 | std::vector<Glib::VariantBase> values() const; |
61a6d983 | 953 | /** Parse a string argument into the appropriate type for this option. */ |
6c6dd732 | 954 | Glib::VariantBase parse_string(std::string value); |
21d1bec6 | 955 | private: |
58aa1f83 | 956 | Option(const struct sr_option *structure, |
6c6dd732 | 957 | std::shared_ptr<const struct sr_option *> structure_array); |
58aa1f83 | 958 | ~Option(); |
d5d7b09e | 959 | const struct sr_option *_structure; |
6c6dd732 | 960 | std::shared_ptr<const struct sr_option *> _structure_array; |
a98729a7 | 961 | |
43942280 | 962 | friend class InputFormat; |
58aa1f83 | 963 | friend class OutputFormat; |
01451225 | 964 | friend struct std::default_delete<Option>; |
58aa1f83 ML |
965 | }; |
966 | ||
07443fd2 | 967 | /** An output format supported by the library */ |
c23c8659 | 968 | class SR_API OutputFormat : |
d5d7b09e | 969 | public ParentOwned<OutputFormat, Context> |
c23c8659 ML |
970 | { |
971 | public: | |
972 | /** Name of this output format. */ | |
6c6dd732 | 973 | std::string name() const; |
c23c8659 | 974 | /** Description of this output format. */ |
6c6dd732 | 975 | std::string description() const; |
8a174d23 | 976 | /** A list of preferred file name extensions for this file format. |
e7eb2968 | 977 | * @note This list is a recommendation only. */ |
6c6dd732 | 978 | std::vector<std::string> extensions() const; |
58aa1f83 | 979 | /** Options supported by this output format. */ |
6c6dd732 | 980 | std::map<std::string, std::shared_ptr<Option> > options(); |
b6f411ac ML |
981 | /** Create an output using this format. |
982 | * @param device Device to output for. | |
983 | * @param options Mapping of (option name, value) pairs. */ | |
6c6dd732 DA |
984 | std::shared_ptr<Output> create_output(std::shared_ptr<Device> device, |
985 | std::map<std::string, Glib::VariantBase> options = std::map<std::string, Glib::VariantBase>()); | |
81b3ce37 SA |
986 | /** Create an output using this format. |
987 | * @param filename Name of destination file. | |
988 | * @param device Device to output for. | |
989 | * @param options Mapping of (option name, value) pairs. */ | |
6c6dd732 DA |
990 | std::shared_ptr<Output> create_output(std::string filename, |
991 | std::shared_ptr<Device> device, | |
992 | std::map<std::string, Glib::VariantBase> options = std::map<std::string, Glib::VariantBase>()); | |
3cd4b381 SA |
993 | /** |
994 | * Checks whether a given flag is set. | |
995 | * @param flag Flag to check | |
996 | * @return true if flag is set for this module | |
997 | * @see sr_output_flags | |
998 | */ | |
15bebf57 | 999 | bool test_flag(const OutputFlag *flag) const; |
21d1bec6 | 1000 | private: |
6c11b496 | 1001 | explicit OutputFormat(const struct sr_output_module *structure); |
c23c8659 | 1002 | ~OutputFormat(); |
d5d7b09e DE |
1003 | |
1004 | const struct sr_output_module *_structure; | |
1005 | ||
c23c8659 ML |
1006 | friend class Context; |
1007 | friend class Output; | |
01451225 | 1008 | friend struct std::default_delete<OutputFormat>; |
c23c8659 ML |
1009 | }; |
1010 | ||
07443fd2 | 1011 | /** An output instance (an output format applied to a device) */ |
d5d7b09e | 1012 | class SR_API Output : public UserOwned<Output> |
c23c8659 ML |
1013 | { |
1014 | public: | |
b6f411ac ML |
1015 | /** Update output with data from the given packet. |
1016 | * @param packet Packet to handle. */ | |
6c6dd732 | 1017 | std::string receive(std::shared_ptr<Packet> packet); |
ea7a83a4 | 1018 | /** Output format in use for this output */ |
6c6dd732 | 1019 | std::shared_ptr<OutputFormat> format(); |
21d1bec6 | 1020 | private: |
6c6dd732 DA |
1021 | Output(std::shared_ptr<OutputFormat> format, std::shared_ptr<Device> device); |
1022 | Output(std::shared_ptr<OutputFormat> format, | |
1023 | std::shared_ptr<Device> device, std::map<std::string, Glib::VariantBase> options); | |
1024 | Output(std::string filename, std::shared_ptr<OutputFormat> format, | |
1025 | std::shared_ptr<Device> device, std::map<std::string, Glib::VariantBase> options); | |
c23c8659 | 1026 | ~Output(); |
d5d7b09e DE |
1027 | |
1028 | const struct sr_output *_structure; | |
6c6dd732 DA |
1029 | const std::shared_ptr<OutputFormat> _format; |
1030 | const std::shared_ptr<Device> _device; | |
1031 | const std::map<std::string, Glib::VariantBase> _options; | |
d5d7b09e | 1032 | |
c23c8659 | 1033 | friend class OutputFormat; |
01451225 | 1034 | friend struct std::default_delete<Output>; |
c23c8659 ML |
1035 | }; |
1036 | ||
1037 | /** Base class for objects which wrap an enumeration value from libsigrok */ | |
9d229ecb | 1038 | template <class Class, typename Enum> class SR_API EnumValue |
c23c8659 ML |
1039 | { |
1040 | public: | |
9d229ecb ML |
1041 | /** The integer constant associated with this value. */ |
1042 | int id() const | |
1043 | { | |
1044 | return static_cast<int>(_id); | |
1045 | } | |
c23c8659 | 1046 | /** The name associated with this value. */ |
6c6dd732 | 1047 | std::string name() const |
9d229ecb ML |
1048 | { |
1049 | return _name; | |
1050 | } | |
1051 | /** Get value associated with a given integer constant. */ | |
1052 | static const Class *get(int id) | |
1053 | { | |
15bebf57 DE |
1054 | const auto pos = _values.find(static_cast<Enum>(id)); |
1055 | if (pos == _values.end()) | |
9d229ecb | 1056 | throw Error(SR_ERR_ARG); |
15bebf57 | 1057 | return pos->second; |
9d229ecb ML |
1058 | } |
1059 | /** Get possible values. */ | |
1060 | static std::vector<const Class *> values() | |
1061 | { | |
1062 | std::vector<const Class *> result; | |
1063 | for (auto entry : _values) | |
1064 | result.push_back(entry.second); | |
1065 | return result; | |
1066 | } | |
c23c8659 | 1067 | protected: |
9d229ecb ML |
1068 | EnumValue(Enum id, const char name[]) : _id(id), _name(name) |
1069 | { | |
1070 | } | |
1071 | ~EnumValue() | |
1072 | { | |
1073 | } | |
21d1bec6 | 1074 | private: |
9d229ecb ML |
1075 | static const std::map<const Enum, const Class * const> _values; |
1076 | const Enum _id; | |
6c6dd732 | 1077 | const std::string _name; |
c23c8659 ML |
1078 | }; |
1079 | ||
c23c8659 ML |
1080 | } |
1081 | ||
ace872d5 ML |
1082 | #include <libsigrokcxx/enums.hpp> |
1083 | ||
1b40fdb8 | 1084 | #endif |