2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013-2014 Martin Ling <martin-sigrok@earth.li>
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/>.
20 /* Needed for isascii(), as used in the GNU libstdc++ headers */
21 /* Needed in strutil.c for POSIX.1-2008 locale functions */
23 #define _XOPEN_SOURCE 700
27 #include <libsigrokcxx/libsigrokcxx.hpp>
37 /** Helper function to translate C errors to C++ exceptions. */
38 static void check(int result)
44 /** Helper function to obtain valid strings from possibly null input. */
45 static inline const char *valid_string(const char *input)
47 return (input) ? input : "";
50 /** Helper function to convert between map<string, VariantBase> and GHashTable */
51 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
53 auto *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
54 reinterpret_cast<GDestroyNotify>(&g_variant_unref));
55 for (const auto &entry : input)
56 g_hash_table_insert(output,
57 g_strdup(entry.first.c_str()),
58 entry.second.gobj_copy());
62 Error::Error(int result) : result(result)
66 const char *Error::what() const noexcept
68 return sr_strerror(result);
71 Error::~Error() noexcept
75 ResourceReader::~ResourceReader()
79 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
80 const char *name, void *cb_data) noexcept
83 auto *const reader = static_cast<ResourceReader*>(cb_data);
84 reader->open(res, name);
85 } catch (const Error &err) {
93 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res,
94 void *cb_data) noexcept
97 auto *const reader = static_cast<ResourceReader*>(cb_data);
99 } catch (const Error &err) {
107 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
108 void *buf, size_t count, void *cb_data) noexcept
111 auto *const reader = static_cast<ResourceReader*>(cb_data);
112 return reader->read(res, buf, count);
113 } catch (const Error &err) {
120 shared_ptr<Context> Context::create()
122 return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
129 check(sr_init(&_structure));
131 if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
132 for (int i = 0; driver_list[i]; i++) {
133 unique_ptr<Driver> driver {new Driver{driver_list[i]}};
134 _drivers.emplace(driver->name(), move(driver));
137 if (const struct sr_input_module **input_list = sr_input_list())
138 for (int i = 0; input_list[i]; i++) {
139 unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
140 _input_formats.emplace(input->name(), move(input));
143 if (const struct sr_output_module **output_list = sr_output_list())
144 for (int i = 0; output_list[i]; i++) {
145 unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
146 _output_formats.emplace(output->name(), move(output));
150 string Context::package_version()
152 return sr_package_version_string_get();
155 string Context::lib_version()
157 return sr_lib_version_string_get();
160 map<string, shared_ptr<Driver>> Context::drivers()
162 map<string, shared_ptr<Driver>> result;
163 for (const auto &entry: _drivers) {
164 const auto &name = entry.first;
165 const auto &driver = entry.second;
166 result.emplace(name, driver->share_owned_by(shared_from_this()));
171 map<string, shared_ptr<InputFormat>> Context::input_formats()
173 map<string, shared_ptr<InputFormat>> result;
174 for (const auto &entry: _input_formats) {
175 const auto &name = entry.first;
176 const auto &input_format = entry.second;
177 result.emplace(name, input_format->share_owned_by(shared_from_this()));
182 shared_ptr<InputFormat> Context::input_format_match(string filename)
184 const struct sr_input *input;
185 const struct sr_input_module *imod;
189 * Have the input module looked up for the specified file.
190 * Failed lookup (or "successful lookup" with an empty result)
191 * are non-fatal. Free the sr_input that was created by the
192 * lookup routine, but grab the input module kind and return an
193 * InputFormat instance to the application. This works because
194 * the application passes a filename, no input data got buffered
195 * in the sr_input that we release.
198 rc = sr_input_scan_file(filename.c_str(), &input);
203 imod = sr_input_module_get(input);
204 sr_input_free(input);
205 return shared_ptr<InputFormat>{new InputFormat{imod}, default_delete<InputFormat>{}};
208 map<string, shared_ptr<OutputFormat>> Context::output_formats()
210 map<string, shared_ptr<OutputFormat>> result;
211 for (const auto &entry: _output_formats) {
212 const auto &name = entry.first;
213 const auto &output_format = entry.second;
214 result.emplace(name, output_format->share_owned_by(shared_from_this()));
221 check(sr_exit(_structure));
224 const LogLevel *Context::log_level() const
226 return LogLevel::get(sr_log_loglevel_get());
229 void Context::set_log_level(const LogLevel *level)
231 check(sr_log_loglevel_set(level->id()));
234 static int call_log_callback(void *cb_data, int loglevel,
235 const char *format, va_list args) noexcept
237 const unique_ptr<char, decltype(&g_free)>
238 message {g_strdup_vprintf(format, args), &g_free};
240 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
243 (*callback)(LogLevel::get(loglevel), message.get());
251 void Context::set_log_callback(LogCallbackFunction callback)
253 _log_callback = move(callback);
254 check(sr_log_callback_set(call_log_callback, &_log_callback));
257 void Context::set_log_callback_default()
259 check(sr_log_callback_set_default());
260 _log_callback = nullptr;
263 void Context::set_resource_reader(ResourceReader *reader)
266 check(sr_resource_set_hooks(_structure,
267 &ResourceReader::open_callback,
268 &ResourceReader::close_callback,
269 &ResourceReader::read_callback, reader));
271 check(sr_resource_set_hooks(_structure,
272 nullptr, nullptr, nullptr, nullptr));
276 shared_ptr<Session> Context::create_session()
278 return shared_ptr<Session>{new Session{shared_from_this()},
279 default_delete<Session>{}};
282 shared_ptr<UserDevice> Context::create_user_device(
283 string vendor, string model, string version)
285 return shared_ptr<UserDevice>{
286 new UserDevice{move(vendor), move(model), move(version)},
287 default_delete<UserDevice>{}};
290 shared_ptr<Packet> Context::create_header_packet(Glib::DateTime start_time)
292 auto header = g_new(struct sr_datafeed_header, 1);
293 header->feed_version = 1;
294 header->starttime.tv_sec = start_time.to_unix();
295 header->starttime.tv_usec = start_time.get_microsecond();
296 auto packet = g_new(struct sr_datafeed_packet, 1);
297 packet->type = SR_DF_HEADER;
298 packet->payload = header;
299 return shared_ptr<Packet>{new Packet{nullptr, packet},
300 default_delete<Packet>{}};
303 shared_ptr<Packet> Context::create_meta_packet(
304 map<const ConfigKey *, Glib::VariantBase> config)
306 auto meta = g_new0(struct sr_datafeed_meta, 1);
307 for (const auto &input : config) {
308 const auto &key = input.first;
309 const auto &value = input.second;
310 auto *const output = g_new(struct sr_config, 1);
311 output->key = key->id();
312 output->data = value.gobj_copy();
313 meta->config = g_slist_append(meta->config, output);
315 auto packet = g_new(struct sr_datafeed_packet, 1);
316 packet->type = SR_DF_META;
317 packet->payload = meta;
318 return shared_ptr<Packet>{new Packet{nullptr, packet},
319 default_delete<Packet>{}};
322 shared_ptr<Packet> Context::create_logic_packet(
323 void *data_pointer, size_t data_length, unsigned int unit_size)
325 auto logic = g_new(struct sr_datafeed_logic, 1);
326 logic->length = data_length;
327 logic->unitsize = unit_size;
328 logic->data = data_pointer;
329 auto packet = g_new(struct sr_datafeed_packet, 1);
330 packet->type = SR_DF_LOGIC;
331 packet->payload = logic;
332 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
335 shared_ptr<Packet> Context::create_analog_packet(
336 vector<shared_ptr<Channel> > channels,
337 const float *data_pointer, unsigned int num_samples, const Quantity *mq,
338 const Unit *unit, vector<const QuantityFlag *> mqflags)
340 auto analog = g_new0(struct sr_datafeed_analog, 1);
341 auto meaning = g_new0(struct sr_analog_meaning, 1);
342 auto encoding = g_new0(struct sr_analog_encoding, 1);
343 auto spec = g_new0(struct sr_analog_spec, 1);
345 analog->meaning = meaning;
347 for (const auto &channel : channels)
348 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
349 meaning->mq = static_cast<sr_mq>(mq->id());
350 meaning->unit = static_cast<sr_unit>(unit->id());
351 meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
353 analog->encoding = encoding;
355 encoding->unitsize = sizeof(float);
356 encoding->is_signed = TRUE;
357 encoding->is_float = TRUE;
358 #ifdef WORDS_BIGENDIAN
359 encoding->is_bigendian = TRUE;
361 encoding->is_bigendian = FALSE;
363 encoding->digits = 0;
364 encoding->is_digits_decimal = FALSE;
365 encoding->scale.p = 1;
366 encoding->scale.q = 1;
367 encoding->offset.p = 0;
368 encoding->offset.q = 1;
372 spec->spec_digits = 0;
374 analog->num_samples = num_samples;
375 analog->data = (float*)data_pointer;
376 auto packet = g_new(struct sr_datafeed_packet, 1);
377 packet->type = SR_DF_ANALOG;
378 packet->payload = analog;
379 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
382 shared_ptr<Packet> Context::create_end_packet()
384 auto packet = g_new(struct sr_datafeed_packet, 1);
385 packet->type = SR_DF_END;
386 return shared_ptr<Packet>{new Packet{nullptr, packet},
387 default_delete<Packet>{}};
390 shared_ptr<Session> Context::load_session(string filename)
392 return shared_ptr<Session>{
393 new Session{shared_from_this(), move(filename)},
394 default_delete<Session>{}};
397 shared_ptr<Trigger> Context::create_trigger(string name)
399 return shared_ptr<Trigger>{
400 new Trigger{shared_from_this(), move(name)},
401 default_delete<Trigger>{}};
404 shared_ptr<Input> Context::open_file(string filename)
406 const struct sr_input *input;
408 check(sr_input_scan_file(filename.c_str(), &input));
409 return shared_ptr<Input>{
410 new Input{shared_from_this(), input},
411 default_delete<Input>{}};
414 shared_ptr<Input> Context::open_stream(string header)
416 const struct sr_input *input;
418 auto gstr = g_string_new(header.c_str());
419 auto ret = sr_input_scan_buffer(gstr, &input);
420 g_string_free(gstr, true);
422 return shared_ptr<Input>{
423 new Input{shared_from_this(), input},
424 default_delete<Input>{}};
427 map<string, string> Context::serials(shared_ptr<Driver> driver) const
429 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
430 map<string, string> serials;
432 for (GSList *serial = serial_list; serial; serial = serial->next) {
433 auto *const port = static_cast<sr_serial_port *>(serial->data);
434 serials[string(port->name)] = string(port->description);
437 g_slist_free_full(serial_list,
438 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
442 Driver::Driver(struct sr_dev_driver *structure) :
443 Configurable(structure, nullptr, nullptr),
444 _structure(structure),
453 string Driver::name() const
455 return valid_string(_structure->name);
458 string Driver::long_name() const
460 return valid_string(_structure->longname);
463 set<const ConfigKey *> Driver::scan_options() const
465 GArray *opts = sr_driver_scan_options_list(_structure);
466 set<const ConfigKey *> result;
468 for (guint i = 0; i < opts->len; i++)
469 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
470 g_array_free(opts, TRUE);
475 vector<shared_ptr<HardwareDevice>> Driver::scan(
476 map<const ConfigKey *, Glib::VariantBase> options)
478 /* Initialise the driver if not yet done. */
480 check(sr_driver_init(_parent->_structure, _structure));
484 /* Translate scan options to GSList of struct sr_config pointers. */
485 GSList *option_list = nullptr;
486 for (const auto &entry : options) {
487 const auto &key = entry.first;
488 const auto &value = entry.second;
489 auto *const config = g_new(struct sr_config, 1);
490 config->key = key->id();
491 config->data = const_cast<GVariant*>(value.gobj());
492 option_list = g_slist_append(option_list, config);
496 GSList *device_list = sr_driver_scan(_structure, option_list);
498 /* Free option list. */
499 g_slist_free_full(option_list, g_free);
502 /* Create device objects. */
503 vector<shared_ptr<HardwareDevice>> result;
504 for (GSList *device = device_list; device; device = device->next) {
505 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
506 shared_ptr<HardwareDevice> hwdev {
507 new HardwareDevice{shared_from_this(), sdi},
508 default_delete<HardwareDevice>{}};
509 result.push_back(move(hwdev));
512 /* Free GSList returned from scan. */
513 g_slist_free(device_list);
518 Configurable::Configurable(
519 struct sr_dev_driver *driver,
520 struct sr_dev_inst *sdi,
521 struct sr_channel_group *cg) :
522 config_driver(driver),
524 config_channel_group(cg)
528 Configurable::~Configurable()
532 set<const ConfigKey *> Configurable::config_keys() const
535 set<const ConfigKey *> result;
537 opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
540 for (guint i = 0; i < opts->len; i++)
541 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
542 g_array_free(opts, TRUE);
548 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
552 config_driver, config_sdi, config_channel_group,
554 return Glib::VariantBase(data);
557 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
560 config_sdi, config_channel_group,
561 key->id(), const_cast<GVariant*>(value.gobj())));
564 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
566 int caps = sr_dev_config_capabilities_list(config_sdi,
567 config_channel_group, key->id());
569 set<const Capability *> result;
571 for (auto cap: Capability::values())
572 if (caps & cap->id())
578 bool Configurable::config_check(const ConfigKey *key,
579 const Capability *capability) const
581 int caps = sr_dev_config_capabilities_list(config_sdi,
582 config_channel_group, key->id());
584 return (caps & capability->id());
587 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
590 check(sr_config_list(
591 config_driver, config_sdi, config_channel_group,
593 return Glib::VariantContainerBase(data);
596 Device::Device(struct sr_dev_inst *structure) :
597 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
598 _structure(structure)
600 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
601 auto *const ch = static_cast<struct sr_channel *>(entry->data);
602 unique_ptr<Channel> channel {new Channel{ch}};
603 _channels.emplace(ch, move(channel));
606 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
607 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
608 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
609 _channel_groups.emplace(group->name(), move(group));
617 string Device::vendor() const
619 return valid_string(sr_dev_inst_vendor_get(_structure));
622 string Device::model() const
624 return valid_string(sr_dev_inst_model_get(_structure));
627 string Device::version() const
629 return valid_string(sr_dev_inst_version_get(_structure));
632 string Device::serial_number() const
634 return valid_string(sr_dev_inst_sernum_get(_structure));
637 string Device::connection_id() const
639 return valid_string(sr_dev_inst_connid_get(_structure));
642 vector<shared_ptr<Channel>> Device::channels()
644 vector<shared_ptr<Channel>> result;
645 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
646 auto *const ch = static_cast<struct sr_channel *>(channel->data);
647 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
652 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
654 return _channels[ptr]->share_owned_by(get_shared_from_this());
657 map<string, shared_ptr<ChannelGroup>>
658 Device::channel_groups()
660 map<string, shared_ptr<ChannelGroup>> result;
661 for (const auto &entry: _channel_groups) {
662 const auto &name = entry.first;
663 const auto &channel_group = entry.second;
664 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
671 check(sr_dev_open(_structure));
676 check(sr_dev_close(_structure));
679 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
680 struct sr_dev_inst *structure) :
682 _driver(move(driver))
686 HardwareDevice::~HardwareDevice()
690 shared_ptr<Device> HardwareDevice::get_shared_from_this()
692 return static_pointer_cast<Device>(shared_from_this());
695 shared_ptr<Driver> HardwareDevice::driver()
700 UserDevice::UserDevice(string vendor, string model, string version) :
701 Device(sr_dev_inst_user_new(
702 vendor.c_str(), model.c_str(), version.c_str()))
706 UserDevice::~UserDevice()
710 shared_ptr<Device> UserDevice::get_shared_from_this()
712 return static_pointer_cast<Device>(shared_from_this());
715 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
716 const ChannelType *type, string name)
718 check(sr_dev_inst_channel_add(Device::_structure,
719 index, type->id(), name.c_str()));
720 GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
721 auto *const ch = static_cast<struct sr_channel *>(last->data);
722 unique_ptr<Channel> channel {new Channel{ch}};
723 _channels.emplace(ch, move(channel));
724 return get_channel(ch);
727 Channel::Channel(struct sr_channel *structure) :
728 _structure(structure),
729 _type(ChannelType::get(_structure->type))
737 string Channel::name() const
739 return valid_string(_structure->name);
742 void Channel::set_name(string name)
744 check(sr_dev_channel_name_set(_structure, name.c_str()));
747 const ChannelType *Channel::type() const
749 return ChannelType::get(_structure->type);
752 bool Channel::enabled() const
754 return _structure->enabled;
757 void Channel::set_enabled(bool value)
759 check(sr_dev_channel_enable(_structure, value));
762 unsigned int Channel::index() const
764 return _structure->index;
767 ChannelGroup::ChannelGroup(const Device *device,
768 struct sr_channel_group *structure) :
769 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
771 for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
772 auto *const ch = static_cast<struct sr_channel *>(entry->data);
773 /* Note: This relies on Device::_channels to keep the Channel
774 * objects around over the lifetime of the ChannelGroup. */
775 _channels.push_back(device->_channels.find(ch)->second.get());
779 ChannelGroup::~ChannelGroup()
783 string ChannelGroup::name() const
785 return valid_string(config_channel_group->name);
788 vector<shared_ptr<Channel>> ChannelGroup::channels()
790 vector<shared_ptr<Channel>> result;
791 for (const auto &channel : _channels)
792 result.push_back(channel->share_owned_by(_parent));
796 Trigger::Trigger(shared_ptr<Context> context, string name) :
797 _structure(sr_trigger_new(name.c_str())),
798 _context(move(context))
800 for (auto *stage = _structure->stages; stage; stage = stage->next) {
801 unique_ptr<TriggerStage> ts {new TriggerStage{
802 static_cast<struct sr_trigger_stage *>(stage->data)}};
803 _stages.push_back(move(ts));
809 sr_trigger_free(_structure);
812 string Trigger::name() const
814 return _structure->name;
817 vector<shared_ptr<TriggerStage>> Trigger::stages()
819 vector<shared_ptr<TriggerStage>> result;
820 for (const auto &stage : _stages)
821 result.push_back(stage->share_owned_by(shared_from_this()));
825 shared_ptr<TriggerStage> Trigger::add_stage()
827 unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
828 _stages.push_back(move(stage));
829 return _stages.back()->share_owned_by(shared_from_this());
832 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
833 _structure(structure)
837 TriggerStage::~TriggerStage()
841 int TriggerStage::number() const
843 return _structure->stage;
846 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
848 vector<shared_ptr<TriggerMatch>> result;
849 for (const auto &match : _matches)
850 result.push_back(match->share_owned_by(shared_from_this()));
854 void TriggerStage::add_match(shared_ptr<Channel> channel,
855 const TriggerMatchType *type, float value)
857 check(sr_trigger_match_add(_structure,
858 channel->_structure, type->id(), value));
859 GSList *const last = g_slist_last(_structure->matches);
860 unique_ptr<TriggerMatch> match {new TriggerMatch{
861 static_cast<struct sr_trigger_match *>(last->data),
863 _matches.push_back(move(match));
866 void TriggerStage::add_match(shared_ptr<Channel> channel,
867 const TriggerMatchType *type)
869 add_match(move(channel), type, NAN);
872 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
873 shared_ptr<Channel> channel) :
874 _structure(structure),
875 _channel(move(channel))
879 TriggerMatch::~TriggerMatch()
883 shared_ptr<Channel> TriggerMatch::channel()
888 const TriggerMatchType *TriggerMatch::type() const
890 return TriggerMatchType::get(_structure->match);
893 float TriggerMatch::value() const
895 return _structure->value;
898 DatafeedCallbackData::DatafeedCallbackData(Session *session,
899 DatafeedCallbackFunction callback) :
900 _callback(move(callback)),
905 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
906 const struct sr_datafeed_packet *pkt)
908 auto device = _session->get_device(sdi);
909 shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
910 _callback(move(device), move(packet));
913 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
918 SessionDevice::~SessionDevice()
922 shared_ptr<Device> SessionDevice::get_shared_from_this()
924 return static_pointer_cast<Device>(shared_from_this());
927 Session::Session(shared_ptr<Context> context) :
929 _context(move(context))
931 check(sr_session_new(_context->_structure, &_structure));
932 _context->_session = this;
935 Session::Session(shared_ptr<Context> context, string filename) :
937 _context(move(context)),
938 _filename(move(filename))
940 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
942 check(sr_session_dev_list(_structure, &dev_list));
943 for (GSList *dev = dev_list; dev; dev = dev->next) {
944 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
945 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
946 _owned_devices.emplace(sdi, move(device));
948 _context->_session = this;
949 g_slist_free(dev_list);
954 check(sr_session_destroy(_structure));
957 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
959 if (_owned_devices.count(sdi))
960 return static_pointer_cast<Device>(
961 _owned_devices[sdi]->share_owned_by(shared_from_this()));
962 else if (_other_devices.count(sdi))
963 return _other_devices[sdi];
965 throw Error(SR_ERR_BUG);
968 void Session::add_device(shared_ptr<Device> device)
970 const auto dev_struct = device->_structure;
971 check(sr_session_dev_add(_structure, dev_struct));
972 _other_devices[dev_struct] = move(device);
975 vector<shared_ptr<Device>> Session::devices()
978 check(sr_session_dev_list(_structure, &dev_list));
979 vector<shared_ptr<Device>> result;
980 for (GSList *dev = dev_list; dev; dev = dev->next) {
981 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
982 result.push_back(get_device(sdi));
984 g_slist_free(dev_list);
988 void Session::remove_devices()
990 _other_devices.clear();
991 check(sr_session_dev_remove_all(_structure));
994 void Session::start()
996 check(sr_session_start(_structure));
1001 check(sr_session_run(_structure));
1004 void Session::stop()
1006 check(sr_session_stop(_structure));
1009 bool Session::is_running() const
1011 const int ret = sr_session_is_running(_structure);
1017 static void session_stopped_callback(void *data) noexcept
1019 auto *const callback = static_cast<SessionStoppedCallback*>(data);
1023 void Session::set_stopped_callback(SessionStoppedCallback callback)
1025 _stopped_callback = move(callback);
1026 if (_stopped_callback)
1027 check(sr_session_stopped_callback_set(_structure,
1028 &session_stopped_callback, &_stopped_callback));
1030 check(sr_session_stopped_callback_set(_structure,
1034 static void datafeed_callback(const struct sr_dev_inst *sdi,
1035 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1037 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1038 callback->run(sdi, pkt);
1041 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1043 unique_ptr<DatafeedCallbackData> cb_data
1044 {new DatafeedCallbackData{this, move(callback)}};
1045 check(sr_session_datafeed_callback_add(_structure,
1046 &datafeed_callback, cb_data.get()));
1047 _datafeed_callbacks.push_back(move(cb_data));
1050 void Session::remove_datafeed_callbacks()
1052 check(sr_session_datafeed_callback_remove_all(_structure));
1053 _datafeed_callbacks.clear();
1056 shared_ptr<Trigger> Session::trigger()
1061 void Session::set_trigger(shared_ptr<Trigger> trigger)
1064 // Set NULL trigger, i.e. remove any trigger from the session.
1065 check(sr_session_trigger_set(_structure, nullptr));
1067 check(sr_session_trigger_set(_structure, trigger->_structure));
1068 _trigger = move(trigger);
1071 string Session::filename() const
1076 shared_ptr<Context> Session::context()
1081 Packet::Packet(shared_ptr<Device> device,
1082 const struct sr_datafeed_packet *structure) :
1083 _structure(structure),
1084 _device(move(device))
1086 switch (structure->type)
1089 _payload.reset(new Header{
1090 static_cast<const struct sr_datafeed_header *>(
1091 structure->payload)});
1094 _payload.reset(new Meta{
1095 static_cast<const struct sr_datafeed_meta *>(
1096 structure->payload)});
1099 _payload.reset(new Logic{
1100 static_cast<const struct sr_datafeed_logic *>(
1101 structure->payload)});
1104 _payload.reset(new Analog{
1105 static_cast<const struct sr_datafeed_analog *>(
1106 structure->payload)});
1115 const PacketType *Packet::type() const
1117 return PacketType::get(_structure->type);
1120 shared_ptr<PacketPayload> Packet::payload()
1123 return _payload->share_owned_by(shared_from_this());
1125 throw Error(SR_ERR_NA);
1128 PacketPayload::PacketPayload()
1132 PacketPayload::~PacketPayload()
1136 Header::Header(const struct sr_datafeed_header *structure) :
1138 _structure(structure)
1146 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1148 return static_pointer_cast<PacketPayload>(
1149 ParentOwned::share_owned_by(_parent));
1152 int Header::feed_version() const
1154 return _structure->feed_version;
1157 Glib::DateTime Header::start_time() const
1159 Glib::DateTime time = Glib::DateTime::create_now_utc(_structure->starttime.tv_sec);
1160 return time.add_seconds(_structure->starttime.tv_usec / 1.0e6);
1163 Meta::Meta(const struct sr_datafeed_meta *structure) :
1165 _structure(structure)
1173 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1175 return static_pointer_cast<PacketPayload>(
1176 ParentOwned::share_owned_by(_parent));
1179 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1181 map<const ConfigKey *, Glib::VariantBase> result;
1182 for (auto l = _structure->config; l; l = l->next) {
1183 auto *const config = static_cast<struct sr_config *>(l->data);
1184 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1189 Logic::Logic(const struct sr_datafeed_logic *structure) :
1191 _structure(structure)
1199 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1201 return static_pointer_cast<PacketPayload>(
1202 ParentOwned::share_owned_by(_parent));
1205 void *Logic::data_pointer()
1207 return _structure->data;
1210 size_t Logic::data_length() const
1212 return _structure->length;
1215 unsigned int Logic::unit_size() const
1217 return _structure->unitsize;
1220 Analog::Analog(const struct sr_datafeed_analog *structure) :
1222 _structure(structure)
1230 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1232 return static_pointer_cast<PacketPayload>(
1233 ParentOwned::share_owned_by(_parent));
1236 void *Analog::data_pointer()
1238 return _structure->data;
1241 void Analog::get_data_as_float(float *dest)
1243 check(sr_analog_to_float(_structure, dest));
1246 unsigned int Analog::num_samples() const
1248 return _structure->num_samples;
1251 vector<shared_ptr<Channel>> Analog::channels()
1253 vector<shared_ptr<Channel>> result;
1254 for (auto l = _structure->meaning->channels; l; l = l->next) {
1255 auto *const ch = static_cast<struct sr_channel *>(l->data);
1256 result.push_back(_parent->_device->get_channel(ch));
1261 unsigned int Analog::unitsize() const
1263 return _structure->encoding->unitsize;
1266 bool Analog::is_signed() const
1268 return _structure->encoding->is_signed;
1271 bool Analog::is_float() const
1273 return _structure->encoding->is_float;
1276 bool Analog::is_bigendian() const
1278 return _structure->encoding->is_bigendian;
1281 int Analog::digits() const
1283 return _structure->encoding->digits;
1286 bool Analog::is_digits_decimal() const
1288 return _structure->encoding->is_digits_decimal;
1291 shared_ptr<Rational> Analog::scale()
1293 unique_ptr<Rational> scale;
1294 scale.reset(new Rational(&(_structure->encoding->scale)));
1297 return scale->share_owned_by(shared_from_this());
1299 throw Error(SR_ERR_NA);
1302 shared_ptr<Rational> Analog::offset()
1304 unique_ptr<Rational> offset;
1305 offset.reset(new Rational(&(_structure->encoding->offset)));
1308 return offset->share_owned_by(shared_from_this());
1310 throw Error(SR_ERR_NA);
1313 const Quantity *Analog::mq() const
1315 return Quantity::get(_structure->meaning->mq);
1318 const Unit *Analog::unit() const
1320 return Unit::get(_structure->meaning->unit);
1323 vector<const QuantityFlag *> Analog::mq_flags() const
1325 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1328 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1329 uint8_t *data_ptr) const
1331 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1332 datafeed->length = num_samples();
1333 datafeed->unitsize = 1;
1336 datafeed->data = data_ptr;
1338 datafeed->data = g_malloc(datafeed->length);
1340 shared_ptr<Logic> logic =
1341 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1343 check(sr_a2l_threshold(_structure, threshold,
1344 (uint8_t*)datafeed->data, datafeed->length));
1349 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1350 float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1352 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1353 datafeed->length = num_samples();
1354 datafeed->unitsize = 1;
1357 datafeed->data = data_ptr;
1359 datafeed->data = g_malloc(datafeed->length);
1361 shared_ptr<Logic> logic =
1362 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1364 check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1365 (uint8_t*)datafeed->data, datafeed->length));
1370 Rational::Rational(const struct sr_rational *structure) :
1371 _structure(structure)
1375 Rational::~Rational()
1379 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1381 return static_pointer_cast<Rational>(
1382 ParentOwned::share_owned_by(_parent));
1385 int64_t Rational::numerator() const
1387 return _structure->p;
1390 uint64_t Rational::denominator() const
1392 return _structure->q;
1395 float Rational::value() const
1397 return (float)(_structure->p) / (float)(_structure->q);
1400 InputFormat::InputFormat(const struct sr_input_module *structure) :
1401 _structure(structure)
1405 InputFormat::~InputFormat()
1409 string InputFormat::name() const
1411 return valid_string(sr_input_id_get(_structure));
1414 string InputFormat::description() const
1416 return valid_string(sr_input_description_get(_structure));
1419 vector<string> InputFormat::extensions() const
1421 vector<string> exts;
1422 for (const char *const *e = sr_input_extensions_get(_structure);
1428 map<string, shared_ptr<Option>> InputFormat::options()
1430 map<string, shared_ptr<Option>> result;
1432 if (const struct sr_option **options = sr_input_options_get(_structure)) {
1433 shared_ptr<const struct sr_option *> option_array
1434 {options, &sr_input_options_free};
1435 for (int i = 0; options[i]; i++) {
1436 shared_ptr<Option> opt {
1437 new Option{options[i], option_array},
1438 default_delete<Option>{}};
1439 result.emplace(opt->id(), move(opt));
1445 shared_ptr<Input> InputFormat::create_input(
1446 map<string, Glib::VariantBase> options)
1448 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1450 throw Error(SR_ERR_ARG);
1451 return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1454 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1455 _structure(structure),
1456 _context(move(context))
1460 shared_ptr<InputDevice> Input::device()
1463 auto sdi = sr_input_dev_inst_get(_structure);
1465 throw Error(SR_ERR_NA);
1466 _device.reset(new InputDevice{shared_from_this(), sdi});
1469 return _device->share_owned_by(shared_from_this());
1472 void Input::send(void *data, size_t length)
1474 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1475 auto ret = sr_input_send(_structure, gstr);
1476 g_string_free(gstr, true);
1482 check(sr_input_end(_structure));
1487 check(sr_input_reset(_structure));
1492 sr_input_free(_structure);
1495 InputDevice::InputDevice(shared_ptr<Input> input,
1496 struct sr_dev_inst *structure) :
1502 InputDevice::~InputDevice()
1506 shared_ptr<Device> InputDevice::get_shared_from_this()
1508 return static_pointer_cast<Device>(shared_from_this());
1511 Option::Option(const struct sr_option *structure,
1512 shared_ptr<const struct sr_option *> structure_array) :
1513 _structure(structure),
1514 _structure_array(move(structure_array))
1522 string Option::id() const
1524 return valid_string(_structure->id);
1527 string Option::name() const
1529 return valid_string(_structure->name);
1532 string Option::description() const
1534 return valid_string(_structure->desc);
1537 Glib::VariantBase Option::default_value() const
1539 return Glib::VariantBase(_structure->def, true);
1542 vector<Glib::VariantBase> Option::values() const
1544 vector<Glib::VariantBase> result;
1545 for (auto l = _structure->values; l; l = l->next) {
1546 auto *const var = static_cast<GVariant *>(l->data);
1547 result.push_back(Glib::VariantBase(var, true));
1552 Glib::VariantBase Option::parse_string(string value)
1554 enum sr_datatype dt;
1555 Glib::VariantBase dflt = default_value();
1556 GVariant *tmpl = dflt.gobj();
1558 if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1560 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1562 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1564 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1566 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1568 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT32)) {
1571 throw Error(SR_ERR_BUG);
1573 return ConfigKey::parse_string(value, dt);
1576 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1577 _structure(structure)
1581 OutputFormat::~OutputFormat()
1585 string OutputFormat::name() const
1587 return valid_string(sr_output_id_get(_structure));
1590 string OutputFormat::description() const
1592 return valid_string(sr_output_description_get(_structure));
1595 vector<string> OutputFormat::extensions() const
1597 vector<string> exts;
1598 for (const char *const *e = sr_output_extensions_get(_structure);
1604 map<string, shared_ptr<Option>> OutputFormat::options()
1606 map<string, shared_ptr<Option>> result;
1608 if (const struct sr_option **options = sr_output_options_get(_structure)) {
1609 shared_ptr<const struct sr_option *> option_array
1610 {options, &sr_output_options_free};
1611 for (int i = 0; options[i]; i++) {
1612 shared_ptr<Option> opt {
1613 new Option{options[i], option_array},
1614 default_delete<Option>{}};
1615 result.emplace(opt->id(), move(opt));
1621 shared_ptr<Output> OutputFormat::create_output(
1622 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1624 return shared_ptr<Output>{
1625 new Output{shared_from_this(), move(device), move(options)},
1626 default_delete<Output>{}};
1629 shared_ptr<Output> OutputFormat::create_output(string filename,
1630 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1632 return shared_ptr<Output>{
1633 new Output{move(filename), shared_from_this(), move(device), move(options)},
1634 default_delete<Output>{}};
1637 bool OutputFormat::test_flag(const OutputFlag *flag) const
1639 return sr_output_test_flag(_structure, flag->id());
1642 Output::Output(shared_ptr<OutputFormat> format,
1643 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1644 _structure(sr_output_new(format->_structure,
1645 map_to_hash_variant(options), device->_structure, nullptr)),
1646 _format(move(format)),
1647 _device(move(device)),
1648 _options(move(options))
1652 Output::Output(string filename, shared_ptr<OutputFormat> format,
1653 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1654 _structure(sr_output_new(format->_structure,
1655 map_to_hash_variant(options), device->_structure, filename.c_str())),
1656 _format(move(format)),
1657 _device(move(device)),
1658 _options(move(options))
1664 check(sr_output_free(_structure));
1667 shared_ptr<OutputFormat> Output::format()
1672 string Output::receive(shared_ptr<Packet> packet)
1675 check(sr_output_send(_structure, packet->_structure, &out));
1677 auto result = string(out->str, out->str + out->len);
1678 g_string_free(out, true);
1685 #include <enums.cpp>