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>
35 /** Helper function to translate C errors to C++ exceptions. */
36 static void check(int result)
42 /** Helper function to obtain valid strings from possibly null input. */
43 static inline const char *valid_string(const char *input)
45 return (input) ? input : "";
48 /** Helper function to convert between map<string, VariantBase> and GHashTable */
49 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
51 auto *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
52 reinterpret_cast<GDestroyNotify>(&g_variant_unref));
53 for (const auto &entry : input)
54 g_hash_table_insert(output,
55 g_strdup(entry.first.c_str()),
56 entry.second.gobj_copy());
60 Error::Error(int result) : result(result)
64 const char *Error::what() const noexcept
66 return sr_strerror(result);
69 Error::~Error() noexcept
73 ResourceReader::~ResourceReader()
77 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
78 const char *name, void *cb_data) noexcept
81 auto *const reader = static_cast<ResourceReader*>(cb_data);
82 reader->open(res, name);
83 } catch (const Error &err) {
91 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res,
92 void *cb_data) noexcept
95 auto *const reader = static_cast<ResourceReader*>(cb_data);
97 } catch (const Error &err) {
105 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
106 void *buf, size_t count, void *cb_data) noexcept
109 auto *const reader = static_cast<ResourceReader*>(cb_data);
110 return reader->read(res, buf, count);
111 } catch (const Error &err) {
118 shared_ptr<Context> Context::create()
120 return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
127 check(sr_init(&_structure));
129 if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
130 for (int i = 0; driver_list[i]; i++) {
131 unique_ptr<Driver> driver {new Driver{driver_list[i]}};
132 _drivers.emplace(driver->name(), move(driver));
135 if (const struct sr_input_module **input_list = sr_input_list())
136 for (int i = 0; input_list[i]; i++) {
137 unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
138 _input_formats.emplace(input->name(), move(input));
141 if (const struct sr_output_module **output_list = sr_output_list())
142 for (int i = 0; output_list[i]; i++) {
143 unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
144 _output_formats.emplace(output->name(), move(output));
148 string Context::package_version()
150 return sr_package_version_string_get();
153 string Context::lib_version()
155 return sr_lib_version_string_get();
158 map<string, shared_ptr<Driver>> Context::drivers()
160 map<string, shared_ptr<Driver>> result;
161 for (const auto &entry: _drivers) {
162 const auto &name = entry.first;
163 const auto &driver = entry.second;
164 result.emplace(name, driver->share_owned_by(shared_from_this()));
169 map<string, shared_ptr<InputFormat>> Context::input_formats()
171 map<string, shared_ptr<InputFormat>> result;
172 for (const auto &entry: _input_formats) {
173 const auto &name = entry.first;
174 const auto &input_format = entry.second;
175 result.emplace(name, input_format->share_owned_by(shared_from_this()));
180 shared_ptr<InputFormat> Context::input_format_match(string filename)
182 const struct sr_input *input;
183 const struct sr_input_module *imod;
187 * Have the input module looked up for the specified file.
188 * Failed lookup (or "successful lookup" with an empty result)
189 * are non-fatal. Free the sr_input that was created by the
190 * lookup routine, but grab the input module kind and return an
191 * InputFormat instance to the application. This works because
192 * the application passes a filename, no input data got buffered
193 * in the sr_input that we release.
196 rc = sr_input_scan_file(filename.c_str(), &input);
201 imod = sr_input_module_get(input);
202 sr_input_free(input);
203 return shared_ptr<InputFormat>{new InputFormat{imod}, default_delete<InputFormat>{}};
206 map<string, shared_ptr<OutputFormat>> Context::output_formats()
208 map<string, shared_ptr<OutputFormat>> result;
209 for (const auto &entry: _output_formats) {
210 const auto &name = entry.first;
211 const auto &output_format = entry.second;
212 result.emplace(name, output_format->share_owned_by(shared_from_this()));
219 check(sr_exit(_structure));
222 const LogLevel *Context::log_level() const
224 return LogLevel::get(sr_log_loglevel_get());
227 void Context::set_log_level(const LogLevel *level)
229 check(sr_log_loglevel_set(level->id()));
232 static int call_log_callback(void *cb_data, int loglevel,
233 const char *format, va_list args) noexcept
235 const unique_ptr<char, decltype(&g_free)>
236 message {g_strdup_vprintf(format, args), &g_free};
238 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
241 (*callback)(LogLevel::get(loglevel), message.get());
249 void Context::set_log_callback(LogCallbackFunction callback)
251 _log_callback = move(callback);
252 check(sr_log_callback_set(call_log_callback, &_log_callback));
255 void Context::set_log_callback_default()
257 check(sr_log_callback_set_default());
258 _log_callback = nullptr;
261 void Context::set_resource_reader(ResourceReader *reader)
264 check(sr_resource_set_hooks(_structure,
265 &ResourceReader::open_callback,
266 &ResourceReader::close_callback,
267 &ResourceReader::read_callback, reader));
269 check(sr_resource_set_hooks(_structure,
270 nullptr, nullptr, nullptr, nullptr));
274 shared_ptr<Session> Context::create_session()
276 return shared_ptr<Session>{new Session{shared_from_this()},
277 default_delete<Session>{}};
280 shared_ptr<UserDevice> Context::create_user_device(
281 string vendor, string model, string version)
283 return shared_ptr<UserDevice>{
284 new UserDevice{move(vendor), move(model), move(version)},
285 default_delete<UserDevice>{}};
288 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
290 auto header = g_new(struct sr_datafeed_header, 1);
291 header->feed_version = 1;
292 header->starttime.tv_sec = start_time.tv_sec;
293 header->starttime.tv_usec = start_time.tv_usec;
294 auto packet = g_new(struct sr_datafeed_packet, 1);
295 packet->type = SR_DF_HEADER;
296 packet->payload = header;
297 return shared_ptr<Packet>{new Packet{nullptr, packet},
298 default_delete<Packet>{}};
301 shared_ptr<Packet> Context::create_meta_packet(
302 map<const ConfigKey *, Glib::VariantBase> config)
304 auto meta = g_new0(struct sr_datafeed_meta, 1);
305 for (const auto &input : config) {
306 const auto &key = input.first;
307 const auto &value = input.second;
308 auto *const output = g_new(struct sr_config, 1);
309 output->key = key->id();
310 output->data = value.gobj_copy();
311 meta->config = g_slist_append(meta->config, output);
313 auto packet = g_new(struct sr_datafeed_packet, 1);
314 packet->type = SR_DF_META;
315 packet->payload = meta;
316 return shared_ptr<Packet>{new Packet{nullptr, packet},
317 default_delete<Packet>{}};
320 shared_ptr<Packet> Context::create_logic_packet(
321 void *data_pointer, size_t data_length, unsigned int unit_size)
323 auto logic = g_new(struct sr_datafeed_logic, 1);
324 logic->length = data_length;
325 logic->unitsize = unit_size;
326 logic->data = data_pointer;
327 auto packet = g_new(struct sr_datafeed_packet, 1);
328 packet->type = SR_DF_LOGIC;
329 packet->payload = logic;
330 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
333 shared_ptr<Packet> Context::create_analog_packet(
334 vector<shared_ptr<Channel> > channels,
335 const float *data_pointer, unsigned int num_samples, const Quantity *mq,
336 const Unit *unit, vector<const QuantityFlag *> mqflags)
338 auto analog = g_new0(struct sr_datafeed_analog, 1);
339 auto meaning = g_new0(struct sr_analog_meaning, 1);
340 auto encoding = g_new0(struct sr_analog_encoding, 1);
341 auto spec = g_new0(struct sr_analog_spec, 1);
343 analog->meaning = meaning;
345 for (const auto &channel : channels)
346 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
347 meaning->mq = static_cast<sr_mq>(mq->id());
348 meaning->unit = static_cast<sr_unit>(unit->id());
349 meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
351 analog->encoding = encoding;
353 encoding->unitsize = sizeof(float);
354 encoding->is_signed = TRUE;
355 encoding->is_float = TRUE;
356 #ifdef WORDS_BIGENDIAN
357 encoding->is_bigendian = TRUE;
359 encoding->is_bigendian = FALSE;
361 encoding->digits = 0;
362 encoding->is_digits_decimal = FALSE;
363 encoding->scale.p = 1;
364 encoding->scale.q = 1;
365 encoding->offset.p = 0;
366 encoding->offset.q = 1;
370 spec->spec_digits = 0;
372 analog->num_samples = num_samples;
373 analog->data = (float*)data_pointer;
374 auto packet = g_new(struct sr_datafeed_packet, 1);
375 packet->type = SR_DF_ANALOG;
376 packet->payload = analog;
377 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
380 shared_ptr<Session> Context::load_session(string filename)
382 return shared_ptr<Session>{
383 new Session{shared_from_this(), move(filename)},
384 default_delete<Session>{}};
387 shared_ptr<Trigger> Context::create_trigger(string name)
389 return shared_ptr<Trigger>{
390 new Trigger{shared_from_this(), move(name)},
391 default_delete<Trigger>{}};
394 shared_ptr<Input> Context::open_file(string filename)
396 const struct sr_input *input;
398 check(sr_input_scan_file(filename.c_str(), &input));
399 return shared_ptr<Input>{
400 new Input{shared_from_this(), input},
401 default_delete<Input>{}};
404 shared_ptr<Input> Context::open_stream(string header)
406 const struct sr_input *input;
408 auto gstr = g_string_new(header.c_str());
409 auto ret = sr_input_scan_buffer(gstr, &input);
410 g_string_free(gstr, true);
412 return shared_ptr<Input>{
413 new Input{shared_from_this(), input},
414 default_delete<Input>{}};
417 map<string, string> Context::serials(shared_ptr<Driver> driver) const
419 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
420 map<string, string> serials;
422 for (GSList *serial = serial_list; serial; serial = serial->next) {
423 auto *const port = static_cast<sr_serial_port *>(serial->data);
424 serials[string(port->name)] = string(port->description);
427 g_slist_free_full(serial_list,
428 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
432 Driver::Driver(struct sr_dev_driver *structure) :
433 Configurable(structure, nullptr, nullptr),
434 _structure(structure),
443 string Driver::name() const
445 return valid_string(_structure->name);
448 string Driver::long_name() const
450 return valid_string(_structure->longname);
453 set<const ConfigKey *> Driver::scan_options() const
455 GArray *opts = sr_driver_scan_options_list(_structure);
456 set<const ConfigKey *> result;
458 for (guint i = 0; i < opts->len; i++)
459 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
460 g_array_free(opts, TRUE);
465 vector<shared_ptr<HardwareDevice>> Driver::scan(
466 map<const ConfigKey *, Glib::VariantBase> options)
468 /* Initialise the driver if not yet done. */
470 check(sr_driver_init(_parent->_structure, _structure));
474 /* Translate scan options to GSList of struct sr_config pointers. */
475 GSList *option_list = nullptr;
476 for (const auto &entry : options) {
477 const auto &key = entry.first;
478 const auto &value = entry.second;
479 auto *const config = g_new(struct sr_config, 1);
480 config->key = key->id();
481 config->data = const_cast<GVariant*>(value.gobj());
482 option_list = g_slist_append(option_list, config);
486 GSList *device_list = sr_driver_scan(_structure, option_list);
488 /* Free option list. */
489 g_slist_free_full(option_list, g_free);
492 /* Create device objects. */
493 vector<shared_ptr<HardwareDevice>> result;
494 for (GSList *device = device_list; device; device = device->next) {
495 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
496 shared_ptr<HardwareDevice> hwdev {
497 new HardwareDevice{shared_from_this(), sdi},
498 default_delete<HardwareDevice>{}};
499 result.push_back(move(hwdev));
502 /* Free GSList returned from scan. */
503 g_slist_free(device_list);
508 Configurable::Configurable(
509 struct sr_dev_driver *driver,
510 struct sr_dev_inst *sdi,
511 struct sr_channel_group *cg) :
512 config_driver(driver),
514 config_channel_group(cg)
518 Configurable::~Configurable()
522 set<const ConfigKey *> Configurable::config_keys() const
525 set<const ConfigKey *> result;
527 opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
530 for (guint i = 0; i < opts->len; i++)
531 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
532 g_array_free(opts, TRUE);
538 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
542 config_driver, config_sdi, config_channel_group,
544 return Glib::VariantBase(data);
547 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
550 config_sdi, config_channel_group,
551 key->id(), const_cast<GVariant*>(value.gobj())));
554 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
556 int caps = sr_dev_config_capabilities_list(config_sdi,
557 config_channel_group, key->id());
559 set<const Capability *> result;
561 for (auto cap: Capability::values())
562 if (caps & cap->id())
568 bool Configurable::config_check(const ConfigKey *key,
569 const Capability *capability) const
571 int caps = sr_dev_config_capabilities_list(config_sdi,
572 config_channel_group, key->id());
574 return (caps & capability->id());
577 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
580 check(sr_config_list(
581 config_driver, config_sdi, config_channel_group,
583 return Glib::VariantContainerBase(data);
586 Device::Device(struct sr_dev_inst *structure) :
587 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
588 _structure(structure)
590 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
591 auto *const ch = static_cast<struct sr_channel *>(entry->data);
592 unique_ptr<Channel> channel {new Channel{ch}};
593 _channels.emplace(ch, move(channel));
596 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
597 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
598 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
599 _channel_groups.emplace(group->name(), move(group));
607 string Device::vendor() const
609 return valid_string(sr_dev_inst_vendor_get(_structure));
612 string Device::model() const
614 return valid_string(sr_dev_inst_model_get(_structure));
617 string Device::version() const
619 return valid_string(sr_dev_inst_version_get(_structure));
622 string Device::serial_number() const
624 return valid_string(sr_dev_inst_sernum_get(_structure));
627 string Device::connection_id() const
629 return valid_string(sr_dev_inst_connid_get(_structure));
632 vector<shared_ptr<Channel>> Device::channels()
634 vector<shared_ptr<Channel>> result;
635 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
636 auto *const ch = static_cast<struct sr_channel *>(channel->data);
637 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
642 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
644 return _channels[ptr]->share_owned_by(get_shared_from_this());
647 map<string, shared_ptr<ChannelGroup>>
648 Device::channel_groups()
650 map<string, shared_ptr<ChannelGroup>> result;
651 for (const auto &entry: _channel_groups) {
652 const auto &name = entry.first;
653 const auto &channel_group = entry.second;
654 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
661 check(sr_dev_open(_structure));
666 check(sr_dev_close(_structure));
669 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
670 struct sr_dev_inst *structure) :
672 _driver(move(driver))
676 HardwareDevice::~HardwareDevice()
680 shared_ptr<Device> HardwareDevice::get_shared_from_this()
682 return static_pointer_cast<Device>(shared_from_this());
685 shared_ptr<Driver> HardwareDevice::driver()
690 UserDevice::UserDevice(string vendor, string model, string version) :
691 Device(sr_dev_inst_user_new(
692 vendor.c_str(), model.c_str(), version.c_str()))
696 UserDevice::~UserDevice()
700 shared_ptr<Device> UserDevice::get_shared_from_this()
702 return static_pointer_cast<Device>(shared_from_this());
705 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
706 const ChannelType *type, string name)
708 check(sr_dev_inst_channel_add(Device::_structure,
709 index, type->id(), name.c_str()));
710 GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
711 auto *const ch = static_cast<struct sr_channel *>(last->data);
712 unique_ptr<Channel> channel {new Channel{ch}};
713 _channels.emplace(ch, move(channel));
714 return get_channel(ch);
717 Channel::Channel(struct sr_channel *structure) :
718 _structure(structure),
719 _type(ChannelType::get(_structure->type))
727 string Channel::name() const
729 return valid_string(_structure->name);
732 void Channel::set_name(string name)
734 check(sr_dev_channel_name_set(_structure, name.c_str()));
737 const ChannelType *Channel::type() const
739 return ChannelType::get(_structure->type);
742 bool Channel::enabled() const
744 return _structure->enabled;
747 void Channel::set_enabled(bool value)
749 check(sr_dev_channel_enable(_structure, value));
752 unsigned int Channel::index() const
754 return _structure->index;
757 ChannelGroup::ChannelGroup(const Device *device,
758 struct sr_channel_group *structure) :
759 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
761 for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
762 auto *const ch = static_cast<struct sr_channel *>(entry->data);
763 /* Note: This relies on Device::_channels to keep the Channel
764 * objects around over the lifetime of the ChannelGroup. */
765 _channels.push_back(device->_channels.find(ch)->second.get());
769 ChannelGroup::~ChannelGroup()
773 string ChannelGroup::name() const
775 return valid_string(config_channel_group->name);
778 vector<shared_ptr<Channel>> ChannelGroup::channels()
780 vector<shared_ptr<Channel>> result;
781 for (const auto &channel : _channels)
782 result.push_back(channel->share_owned_by(_parent));
786 Trigger::Trigger(shared_ptr<Context> context, string name) :
787 _structure(sr_trigger_new(name.c_str())),
788 _context(move(context))
790 for (auto *stage = _structure->stages; stage; stage = stage->next) {
791 unique_ptr<TriggerStage> ts {new TriggerStage{
792 static_cast<struct sr_trigger_stage *>(stage->data)}};
793 _stages.push_back(move(ts));
799 sr_trigger_free(_structure);
802 string Trigger::name() const
804 return _structure->name;
807 vector<shared_ptr<TriggerStage>> Trigger::stages()
809 vector<shared_ptr<TriggerStage>> result;
810 for (const auto &stage : _stages)
811 result.push_back(stage->share_owned_by(shared_from_this()));
815 shared_ptr<TriggerStage> Trigger::add_stage()
817 unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
818 _stages.push_back(move(stage));
819 return _stages.back()->share_owned_by(shared_from_this());
822 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
823 _structure(structure)
827 TriggerStage::~TriggerStage()
831 int TriggerStage::number() const
833 return _structure->stage;
836 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
838 vector<shared_ptr<TriggerMatch>> result;
839 for (const auto &match : _matches)
840 result.push_back(match->share_owned_by(shared_from_this()));
844 void TriggerStage::add_match(shared_ptr<Channel> channel,
845 const TriggerMatchType *type, float value)
847 check(sr_trigger_match_add(_structure,
848 channel->_structure, type->id(), value));
849 GSList *const last = g_slist_last(_structure->matches);
850 unique_ptr<TriggerMatch> match {new TriggerMatch{
851 static_cast<struct sr_trigger_match *>(last->data),
853 _matches.push_back(move(match));
856 void TriggerStage::add_match(shared_ptr<Channel> channel,
857 const TriggerMatchType *type)
859 add_match(move(channel), type, NAN);
862 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
863 shared_ptr<Channel> channel) :
864 _structure(structure),
865 _channel(move(channel))
869 TriggerMatch::~TriggerMatch()
873 shared_ptr<Channel> TriggerMatch::channel()
878 const TriggerMatchType *TriggerMatch::type() const
880 return TriggerMatchType::get(_structure->match);
883 float TriggerMatch::value() const
885 return _structure->value;
888 DatafeedCallbackData::DatafeedCallbackData(Session *session,
889 DatafeedCallbackFunction callback) :
890 _callback(move(callback)),
895 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
896 const struct sr_datafeed_packet *pkt)
898 auto device = _session->get_device(sdi);
899 shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
900 _callback(move(device), move(packet));
903 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
908 SessionDevice::~SessionDevice()
912 shared_ptr<Device> SessionDevice::get_shared_from_this()
914 return static_pointer_cast<Device>(shared_from_this());
917 Session::Session(shared_ptr<Context> context) :
919 _context(move(context))
921 check(sr_session_new(_context->_structure, &_structure));
922 _context->_session = this;
925 Session::Session(shared_ptr<Context> context, string filename) :
927 _context(move(context)),
928 _filename(move(filename))
930 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
932 check(sr_session_dev_list(_structure, &dev_list));
933 for (GSList *dev = dev_list; dev; dev = dev->next) {
934 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
935 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
936 _owned_devices.emplace(sdi, move(device));
938 _context->_session = this;
943 check(sr_session_destroy(_structure));
946 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
948 if (_owned_devices.count(sdi))
949 return static_pointer_cast<Device>(
950 _owned_devices[sdi]->share_owned_by(shared_from_this()));
951 else if (_other_devices.count(sdi))
952 return _other_devices[sdi];
954 throw Error(SR_ERR_BUG);
957 void Session::add_device(shared_ptr<Device> device)
959 const auto dev_struct = device->_structure;
960 check(sr_session_dev_add(_structure, dev_struct));
961 _other_devices[dev_struct] = move(device);
964 vector<shared_ptr<Device>> Session::devices()
967 check(sr_session_dev_list(_structure, &dev_list));
968 vector<shared_ptr<Device>> result;
969 for (GSList *dev = dev_list; dev; dev = dev->next) {
970 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
971 result.push_back(get_device(sdi));
976 void Session::remove_devices()
978 _other_devices.clear();
979 check(sr_session_dev_remove_all(_structure));
982 void Session::start()
984 check(sr_session_start(_structure));
989 check(sr_session_run(_structure));
994 check(sr_session_stop(_structure));
997 bool Session::is_running() const
999 const int ret = sr_session_is_running(_structure);
1005 static void session_stopped_callback(void *data) noexcept
1007 auto *const callback = static_cast<SessionStoppedCallback*>(data);
1011 void Session::set_stopped_callback(SessionStoppedCallback callback)
1013 _stopped_callback = move(callback);
1014 if (_stopped_callback)
1015 check(sr_session_stopped_callback_set(_structure,
1016 &session_stopped_callback, &_stopped_callback));
1018 check(sr_session_stopped_callback_set(_structure,
1022 static void datafeed_callback(const struct sr_dev_inst *sdi,
1023 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1025 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1026 callback->run(sdi, pkt);
1029 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1031 unique_ptr<DatafeedCallbackData> cb_data
1032 {new DatafeedCallbackData{this, move(callback)}};
1033 check(sr_session_datafeed_callback_add(_structure,
1034 &datafeed_callback, cb_data.get()));
1035 _datafeed_callbacks.push_back(move(cb_data));
1038 void Session::remove_datafeed_callbacks()
1040 check(sr_session_datafeed_callback_remove_all(_structure));
1041 _datafeed_callbacks.clear();
1044 shared_ptr<Trigger> Session::trigger()
1049 void Session::set_trigger(shared_ptr<Trigger> trigger)
1052 // Set NULL trigger, i.e. remove any trigger from the session.
1053 check(sr_session_trigger_set(_structure, nullptr));
1055 check(sr_session_trigger_set(_structure, trigger->_structure));
1056 _trigger = move(trigger);
1059 string Session::filename() const
1064 shared_ptr<Context> Session::context()
1069 Packet::Packet(shared_ptr<Device> device,
1070 const struct sr_datafeed_packet *structure) :
1071 _structure(structure),
1072 _device(move(device))
1074 switch (structure->type)
1077 _payload.reset(new Header{
1078 static_cast<const struct sr_datafeed_header *>(
1079 structure->payload)});
1082 _payload.reset(new Meta{
1083 static_cast<const struct sr_datafeed_meta *>(
1084 structure->payload)});
1087 _payload.reset(new Logic{
1088 static_cast<const struct sr_datafeed_logic *>(
1089 structure->payload)});
1092 _payload.reset(new Analog{
1093 static_cast<const struct sr_datafeed_analog *>(
1094 structure->payload)});
1103 const PacketType *Packet::type() const
1105 return PacketType::get(_structure->type);
1108 shared_ptr<PacketPayload> Packet::payload()
1111 return _payload->share_owned_by(shared_from_this());
1113 throw Error(SR_ERR_NA);
1116 PacketPayload::PacketPayload()
1120 PacketPayload::~PacketPayload()
1124 Header::Header(const struct sr_datafeed_header *structure) :
1126 _structure(structure)
1134 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1136 return static_pointer_cast<PacketPayload>(
1137 ParentOwned::share_owned_by(_parent));
1140 int Header::feed_version() const
1142 return _structure->feed_version;
1145 Glib::TimeVal Header::start_time() const
1147 return Glib::TimeVal(
1148 _structure->starttime.tv_sec,
1149 _structure->starttime.tv_usec);
1152 Meta::Meta(const struct sr_datafeed_meta *structure) :
1154 _structure(structure)
1162 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1164 return static_pointer_cast<PacketPayload>(
1165 ParentOwned::share_owned_by(_parent));
1168 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1170 map<const ConfigKey *, Glib::VariantBase> result;
1171 for (auto l = _structure->config; l; l = l->next) {
1172 auto *const config = static_cast<struct sr_config *>(l->data);
1173 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1178 Logic::Logic(const struct sr_datafeed_logic *structure) :
1180 _structure(structure)
1188 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1190 return static_pointer_cast<PacketPayload>(
1191 ParentOwned::share_owned_by(_parent));
1194 void *Logic::data_pointer()
1196 return _structure->data;
1199 size_t Logic::data_length() const
1201 return _structure->length;
1204 unsigned int Logic::unit_size() const
1206 return _structure->unitsize;
1209 Analog::Analog(const struct sr_datafeed_analog *structure) :
1211 _structure(structure)
1219 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1221 return static_pointer_cast<PacketPayload>(
1222 ParentOwned::share_owned_by(_parent));
1225 void *Analog::data_pointer()
1227 return _structure->data;
1230 void Analog::get_data_as_float(float *dest)
1232 check(sr_analog_to_float(_structure, dest));
1235 unsigned int Analog::num_samples() const
1237 return _structure->num_samples;
1240 vector<shared_ptr<Channel>> Analog::channels()
1242 vector<shared_ptr<Channel>> result;
1243 for (auto l = _structure->meaning->channels; l; l = l->next) {
1244 auto *const ch = static_cast<struct sr_channel *>(l->data);
1245 result.push_back(_parent->_device->get_channel(ch));
1250 unsigned int Analog::unitsize() const
1252 return _structure->encoding->unitsize;
1255 bool Analog::is_signed() const
1257 return _structure->encoding->is_signed;
1260 bool Analog::is_float() const
1262 return _structure->encoding->is_float;
1265 bool Analog::is_bigendian() const
1267 return _structure->encoding->is_bigendian;
1270 int Analog::digits() const
1272 return _structure->encoding->digits;
1275 bool Analog::is_digits_decimal() const
1277 return _structure->encoding->is_digits_decimal;
1280 shared_ptr<Rational> Analog::scale()
1282 unique_ptr<Rational> scale;
1283 scale.reset(new Rational(&(_structure->encoding->scale)));
1286 return scale->share_owned_by(shared_from_this());
1288 throw Error(SR_ERR_NA);
1291 shared_ptr<Rational> Analog::offset()
1293 unique_ptr<Rational> offset;
1294 offset.reset(new Rational(&(_structure->encoding->offset)));
1297 return offset->share_owned_by(shared_from_this());
1299 throw Error(SR_ERR_NA);
1302 const Quantity *Analog::mq() const
1304 return Quantity::get(_structure->meaning->mq);
1307 const Unit *Analog::unit() const
1309 return Unit::get(_structure->meaning->unit);
1312 vector<const QuantityFlag *> Analog::mq_flags() const
1314 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1317 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1318 uint8_t *data_ptr) const
1320 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1321 datafeed->length = num_samples();
1322 datafeed->unitsize = 1;
1325 datafeed->data = data_ptr;
1327 datafeed->data = g_malloc(datafeed->length);
1329 shared_ptr<Logic> logic =
1330 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1332 check(sr_a2l_threshold(_structure, threshold,
1333 (uint8_t*)datafeed->data, datafeed->length));
1338 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1339 float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1341 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1342 datafeed->length = num_samples();
1343 datafeed->unitsize = 1;
1346 datafeed->data = data_ptr;
1348 datafeed->data = g_malloc(datafeed->length);
1350 shared_ptr<Logic> logic =
1351 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1353 check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1354 (uint8_t*)datafeed->data, datafeed->length));
1359 Rational::Rational(const struct sr_rational *structure) :
1360 _structure(structure)
1364 Rational::~Rational()
1368 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1370 return static_pointer_cast<Rational>(
1371 ParentOwned::share_owned_by(_parent));
1374 int64_t Rational::numerator() const
1376 return _structure->p;
1379 uint64_t Rational::denominator() const
1381 return _structure->q;
1384 float Rational::value() const
1386 return (float)(_structure->p) / (float)(_structure->q);
1389 InputFormat::InputFormat(const struct sr_input_module *structure) :
1390 _structure(structure)
1394 InputFormat::~InputFormat()
1398 string InputFormat::name() const
1400 return valid_string(sr_input_id_get(_structure));
1403 string InputFormat::description() const
1405 return valid_string(sr_input_description_get(_structure));
1408 vector<string> InputFormat::extensions() const
1410 vector<string> exts;
1411 for (const char *const *e = sr_input_extensions_get(_structure);
1417 map<string, shared_ptr<Option>> InputFormat::options()
1419 map<string, shared_ptr<Option>> result;
1421 if (const struct sr_option **options = sr_input_options_get(_structure)) {
1422 shared_ptr<const struct sr_option *> option_array
1423 {options, &sr_input_options_free};
1424 for (int i = 0; options[i]; i++) {
1425 shared_ptr<Option> opt {
1426 new Option{options[i], option_array},
1427 default_delete<Option>{}};
1428 result.emplace(opt->id(), move(opt));
1434 shared_ptr<Input> InputFormat::create_input(
1435 map<string, Glib::VariantBase> options)
1437 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1439 throw Error(SR_ERR_ARG);
1440 return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1443 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1444 _structure(structure),
1445 _context(move(context))
1449 shared_ptr<InputDevice> Input::device()
1452 auto sdi = sr_input_dev_inst_get(_structure);
1454 throw Error(SR_ERR_NA);
1455 _device.reset(new InputDevice{shared_from_this(), sdi});
1458 return _device->share_owned_by(shared_from_this());
1461 void Input::send(void *data, size_t length)
1463 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1464 auto ret = sr_input_send(_structure, gstr);
1465 g_string_free(gstr, true);
1471 check(sr_input_end(_structure));
1476 check(sr_input_reset(_structure));
1481 sr_input_free(_structure);
1484 InputDevice::InputDevice(shared_ptr<Input> input,
1485 struct sr_dev_inst *structure) :
1491 InputDevice::~InputDevice()
1495 shared_ptr<Device> InputDevice::get_shared_from_this()
1497 return static_pointer_cast<Device>(shared_from_this());
1500 Option::Option(const struct sr_option *structure,
1501 shared_ptr<const struct sr_option *> structure_array) :
1502 _structure(structure),
1503 _structure_array(move(structure_array))
1511 string Option::id() const
1513 return valid_string(_structure->id);
1516 string Option::name() const
1518 return valid_string(_structure->name);
1521 string Option::description() const
1523 return valid_string(_structure->desc);
1526 Glib::VariantBase Option::default_value() const
1528 return Glib::VariantBase(_structure->def, true);
1531 vector<Glib::VariantBase> Option::values() const
1533 vector<Glib::VariantBase> result;
1534 for (auto l = _structure->values; l; l = l->next) {
1535 auto *const var = static_cast<GVariant *>(l->data);
1536 result.push_back(Glib::VariantBase(var, true));
1541 Glib::VariantBase Option::parse_string(string value)
1543 enum sr_datatype dt;
1544 Glib::VariantBase dflt = default_value();
1545 GVariant *tmpl = dflt.gobj();
1547 if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1549 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1551 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1553 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1555 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1558 throw Error(SR_ERR_BUG);
1560 return ConfigKey::parse_string(value, dt);
1563 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1564 _structure(structure)
1568 OutputFormat::~OutputFormat()
1572 string OutputFormat::name() const
1574 return valid_string(sr_output_id_get(_structure));
1577 string OutputFormat::description() const
1579 return valid_string(sr_output_description_get(_structure));
1582 vector<string> OutputFormat::extensions() const
1584 vector<string> exts;
1585 for (const char *const *e = sr_output_extensions_get(_structure);
1591 map<string, shared_ptr<Option>> OutputFormat::options()
1593 map<string, shared_ptr<Option>> result;
1595 if (const struct sr_option **options = sr_output_options_get(_structure)) {
1596 shared_ptr<const struct sr_option *> option_array
1597 {options, &sr_output_options_free};
1598 for (int i = 0; options[i]; i++) {
1599 shared_ptr<Option> opt {
1600 new Option{options[i], option_array},
1601 default_delete<Option>{}};
1602 result.emplace(opt->id(), move(opt));
1608 shared_ptr<Output> OutputFormat::create_output(
1609 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1611 return shared_ptr<Output>{
1612 new Output{shared_from_this(), move(device), move(options)},
1613 default_delete<Output>{}};
1616 shared_ptr<Output> OutputFormat::create_output(string filename,
1617 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1619 return shared_ptr<Output>{
1620 new Output{move(filename), shared_from_this(), move(device), move(options)},
1621 default_delete<Output>{}};
1624 bool OutputFormat::test_flag(const OutputFlag *flag) const
1626 return sr_output_test_flag(_structure, flag->id());
1629 Output::Output(shared_ptr<OutputFormat> format,
1630 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1631 _structure(sr_output_new(format->_structure,
1632 map_to_hash_variant(options), device->_structure, nullptr)),
1633 _format(move(format)),
1634 _device(move(device)),
1635 _options(move(options))
1639 Output::Output(string filename, shared_ptr<OutputFormat> format,
1640 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1641 _structure(sr_output_new(format->_structure,
1642 map_to_hash_variant(options), device->_structure, filename.c_str())),
1643 _format(move(format)),
1644 _device(move(device)),
1645 _options(move(options))
1651 check(sr_output_free(_structure));
1654 string Output::receive(shared_ptr<Packet> packet)
1657 check(sr_output_send(_structure, packet->_structure, &out));
1659 auto result = string(out->str, out->str + out->len);
1660 g_string_free(out, true);
1667 #include <enums.cpp>