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<Packet> Context::create_end_packet()
382 auto packet = g_new(struct sr_datafeed_packet, 1);
383 packet->type = SR_DF_END;
384 return shared_ptr<Packet>{new Packet{nullptr, packet},
385 default_delete<Packet>{}};
388 shared_ptr<Session> Context::load_session(string filename)
390 return shared_ptr<Session>{
391 new Session{shared_from_this(), move(filename)},
392 default_delete<Session>{}};
395 shared_ptr<Trigger> Context::create_trigger(string name)
397 return shared_ptr<Trigger>{
398 new Trigger{shared_from_this(), move(name)},
399 default_delete<Trigger>{}};
402 shared_ptr<Input> Context::open_file(string filename)
404 const struct sr_input *input;
406 check(sr_input_scan_file(filename.c_str(), &input));
407 return shared_ptr<Input>{
408 new Input{shared_from_this(), input},
409 default_delete<Input>{}};
412 shared_ptr<Input> Context::open_stream(string header)
414 const struct sr_input *input;
416 auto gstr = g_string_new(header.c_str());
417 auto ret = sr_input_scan_buffer(gstr, &input);
418 g_string_free(gstr, true);
420 return shared_ptr<Input>{
421 new Input{shared_from_this(), input},
422 default_delete<Input>{}};
425 map<string, string> Context::serials(shared_ptr<Driver> driver) const
427 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
428 map<string, string> serials;
430 for (GSList *serial = serial_list; serial; serial = serial->next) {
431 auto *const port = static_cast<sr_serial_port *>(serial->data);
432 serials[string(port->name)] = string(port->description);
435 g_slist_free_full(serial_list,
436 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
440 Driver::Driver(struct sr_dev_driver *structure) :
441 Configurable(structure, nullptr, nullptr),
442 _structure(structure),
451 string Driver::name() const
453 return valid_string(_structure->name);
456 string Driver::long_name() const
458 return valid_string(_structure->longname);
461 set<const ConfigKey *> Driver::scan_options() const
463 GArray *opts = sr_driver_scan_options_list(_structure);
464 set<const ConfigKey *> result;
466 for (guint i = 0; i < opts->len; i++)
467 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
468 g_array_free(opts, TRUE);
473 vector<shared_ptr<HardwareDevice>> Driver::scan(
474 map<const ConfigKey *, Glib::VariantBase> options)
476 /* Initialise the driver if not yet done. */
478 check(sr_driver_init(_parent->_structure, _structure));
482 /* Translate scan options to GSList of struct sr_config pointers. */
483 GSList *option_list = nullptr;
484 for (const auto &entry : options) {
485 const auto &key = entry.first;
486 const auto &value = entry.second;
487 auto *const config = g_new(struct sr_config, 1);
488 config->key = key->id();
489 config->data = const_cast<GVariant*>(value.gobj());
490 option_list = g_slist_append(option_list, config);
494 GSList *device_list = sr_driver_scan(_structure, option_list);
496 /* Free option list. */
497 g_slist_free_full(option_list, g_free);
500 /* Create device objects. */
501 vector<shared_ptr<HardwareDevice>> result;
502 for (GSList *device = device_list; device; device = device->next) {
503 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
504 shared_ptr<HardwareDevice> hwdev {
505 new HardwareDevice{shared_from_this(), sdi},
506 default_delete<HardwareDevice>{}};
507 result.push_back(move(hwdev));
510 /* Free GSList returned from scan. */
511 g_slist_free(device_list);
516 Configurable::Configurable(
517 struct sr_dev_driver *driver,
518 struct sr_dev_inst *sdi,
519 struct sr_channel_group *cg) :
520 config_driver(driver),
522 config_channel_group(cg)
526 Configurable::~Configurable()
530 set<const ConfigKey *> Configurable::config_keys() const
533 set<const ConfigKey *> result;
535 opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
538 for (guint i = 0; i < opts->len; i++)
539 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
540 g_array_free(opts, TRUE);
546 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
550 config_driver, config_sdi, config_channel_group,
552 return Glib::VariantBase(data);
555 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
558 config_sdi, config_channel_group,
559 key->id(), const_cast<GVariant*>(value.gobj())));
562 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
564 int caps = sr_dev_config_capabilities_list(config_sdi,
565 config_channel_group, key->id());
567 set<const Capability *> result;
569 for (auto cap: Capability::values())
570 if (caps & cap->id())
576 bool Configurable::config_check(const ConfigKey *key,
577 const Capability *capability) const
579 int caps = sr_dev_config_capabilities_list(config_sdi,
580 config_channel_group, key->id());
582 return (caps & capability->id());
585 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
588 check(sr_config_list(
589 config_driver, config_sdi, config_channel_group,
591 return Glib::VariantContainerBase(data);
594 Device::Device(struct sr_dev_inst *structure) :
595 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
596 _structure(structure)
598 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
599 auto *const ch = static_cast<struct sr_channel *>(entry->data);
600 unique_ptr<Channel> channel {new Channel{ch}};
601 _channels.emplace(ch, move(channel));
604 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
605 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
606 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
607 _channel_groups.emplace(group->name(), move(group));
615 string Device::vendor() const
617 return valid_string(sr_dev_inst_vendor_get(_structure));
620 string Device::model() const
622 return valid_string(sr_dev_inst_model_get(_structure));
625 string Device::version() const
627 return valid_string(sr_dev_inst_version_get(_structure));
630 string Device::serial_number() const
632 return valid_string(sr_dev_inst_sernum_get(_structure));
635 string Device::connection_id() const
637 return valid_string(sr_dev_inst_connid_get(_structure));
640 vector<shared_ptr<Channel>> Device::channels()
642 vector<shared_ptr<Channel>> result;
643 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
644 auto *const ch = static_cast<struct sr_channel *>(channel->data);
645 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
650 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
652 return _channels[ptr]->share_owned_by(get_shared_from_this());
655 map<string, shared_ptr<ChannelGroup>>
656 Device::channel_groups()
658 map<string, shared_ptr<ChannelGroup>> result;
659 for (const auto &entry: _channel_groups) {
660 const auto &name = entry.first;
661 const auto &channel_group = entry.second;
662 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
669 check(sr_dev_open(_structure));
674 check(sr_dev_close(_structure));
677 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
678 struct sr_dev_inst *structure) :
680 _driver(move(driver))
684 HardwareDevice::~HardwareDevice()
688 shared_ptr<Device> HardwareDevice::get_shared_from_this()
690 return static_pointer_cast<Device>(shared_from_this());
693 shared_ptr<Driver> HardwareDevice::driver()
698 UserDevice::UserDevice(string vendor, string model, string version) :
699 Device(sr_dev_inst_user_new(
700 vendor.c_str(), model.c_str(), version.c_str()))
704 UserDevice::~UserDevice()
708 shared_ptr<Device> UserDevice::get_shared_from_this()
710 return static_pointer_cast<Device>(shared_from_this());
713 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
714 const ChannelType *type, string name)
716 check(sr_dev_inst_channel_add(Device::_structure,
717 index, type->id(), name.c_str()));
718 GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
719 auto *const ch = static_cast<struct sr_channel *>(last->data);
720 unique_ptr<Channel> channel {new Channel{ch}};
721 _channels.emplace(ch, move(channel));
722 return get_channel(ch);
725 Channel::Channel(struct sr_channel *structure) :
726 _structure(structure),
727 _type(ChannelType::get(_structure->type))
735 string Channel::name() const
737 return valid_string(_structure->name);
740 void Channel::set_name(string name)
742 check(sr_dev_channel_name_set(_structure, name.c_str()));
745 const ChannelType *Channel::type() const
747 return ChannelType::get(_structure->type);
750 bool Channel::enabled() const
752 return _structure->enabled;
755 void Channel::set_enabled(bool value)
757 check(sr_dev_channel_enable(_structure, value));
760 unsigned int Channel::index() const
762 return _structure->index;
765 ChannelGroup::ChannelGroup(const Device *device,
766 struct sr_channel_group *structure) :
767 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
769 for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
770 auto *const ch = static_cast<struct sr_channel *>(entry->data);
771 /* Note: This relies on Device::_channels to keep the Channel
772 * objects around over the lifetime of the ChannelGroup. */
773 _channels.push_back(device->_channels.find(ch)->second.get());
777 ChannelGroup::~ChannelGroup()
781 string ChannelGroup::name() const
783 return valid_string(config_channel_group->name);
786 vector<shared_ptr<Channel>> ChannelGroup::channels()
788 vector<shared_ptr<Channel>> result;
789 for (const auto &channel : _channels)
790 result.push_back(channel->share_owned_by(_parent));
794 Trigger::Trigger(shared_ptr<Context> context, string name) :
795 _structure(sr_trigger_new(name.c_str())),
796 _context(move(context))
798 for (auto *stage = _structure->stages; stage; stage = stage->next) {
799 unique_ptr<TriggerStage> ts {new TriggerStage{
800 static_cast<struct sr_trigger_stage *>(stage->data)}};
801 _stages.push_back(move(ts));
807 sr_trigger_free(_structure);
810 string Trigger::name() const
812 return _structure->name;
815 vector<shared_ptr<TriggerStage>> Trigger::stages()
817 vector<shared_ptr<TriggerStage>> result;
818 for (const auto &stage : _stages)
819 result.push_back(stage->share_owned_by(shared_from_this()));
823 shared_ptr<TriggerStage> Trigger::add_stage()
825 unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
826 _stages.push_back(move(stage));
827 return _stages.back()->share_owned_by(shared_from_this());
830 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
831 _structure(structure)
835 TriggerStage::~TriggerStage()
839 int TriggerStage::number() const
841 return _structure->stage;
844 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
846 vector<shared_ptr<TriggerMatch>> result;
847 for (const auto &match : _matches)
848 result.push_back(match->share_owned_by(shared_from_this()));
852 void TriggerStage::add_match(shared_ptr<Channel> channel,
853 const TriggerMatchType *type, float value)
855 check(sr_trigger_match_add(_structure,
856 channel->_structure, type->id(), value));
857 GSList *const last = g_slist_last(_structure->matches);
858 unique_ptr<TriggerMatch> match {new TriggerMatch{
859 static_cast<struct sr_trigger_match *>(last->data),
861 _matches.push_back(move(match));
864 void TriggerStage::add_match(shared_ptr<Channel> channel,
865 const TriggerMatchType *type)
867 add_match(move(channel), type, NAN);
870 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
871 shared_ptr<Channel> channel) :
872 _structure(structure),
873 _channel(move(channel))
877 TriggerMatch::~TriggerMatch()
881 shared_ptr<Channel> TriggerMatch::channel()
886 const TriggerMatchType *TriggerMatch::type() const
888 return TriggerMatchType::get(_structure->match);
891 float TriggerMatch::value() const
893 return _structure->value;
896 DatafeedCallbackData::DatafeedCallbackData(Session *session,
897 DatafeedCallbackFunction callback) :
898 _callback(move(callback)),
903 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
904 const struct sr_datafeed_packet *pkt)
906 auto device = _session->get_device(sdi);
907 shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
908 _callback(move(device), move(packet));
911 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
916 SessionDevice::~SessionDevice()
920 shared_ptr<Device> SessionDevice::get_shared_from_this()
922 return static_pointer_cast<Device>(shared_from_this());
925 Session::Session(shared_ptr<Context> context) :
927 _context(move(context))
929 check(sr_session_new(_context->_structure, &_structure));
930 _context->_session = this;
933 Session::Session(shared_ptr<Context> context, string filename) :
935 _context(move(context)),
936 _filename(move(filename))
938 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
940 check(sr_session_dev_list(_structure, &dev_list));
941 for (GSList *dev = dev_list; dev; dev = dev->next) {
942 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
943 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
944 _owned_devices.emplace(sdi, move(device));
946 _context->_session = this;
947 g_slist_free(dev_list);
952 check(sr_session_destroy(_structure));
955 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
957 if (_owned_devices.count(sdi))
958 return static_pointer_cast<Device>(
959 _owned_devices[sdi]->share_owned_by(shared_from_this()));
960 else if (_other_devices.count(sdi))
961 return _other_devices[sdi];
963 throw Error(SR_ERR_BUG);
966 void Session::add_device(shared_ptr<Device> device)
968 const auto dev_struct = device->_structure;
969 check(sr_session_dev_add(_structure, dev_struct));
970 _other_devices[dev_struct] = move(device);
973 vector<shared_ptr<Device>> Session::devices()
976 check(sr_session_dev_list(_structure, &dev_list));
977 vector<shared_ptr<Device>> result;
978 for (GSList *dev = dev_list; dev; dev = dev->next) {
979 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
980 result.push_back(get_device(sdi));
982 g_slist_free(dev_list);
986 void Session::remove_devices()
988 _other_devices.clear();
989 check(sr_session_dev_remove_all(_structure));
992 void Session::start()
994 check(sr_session_start(_structure));
999 check(sr_session_run(_structure));
1002 void Session::stop()
1004 check(sr_session_stop(_structure));
1007 bool Session::is_running() const
1009 const int ret = sr_session_is_running(_structure);
1015 static void session_stopped_callback(void *data) noexcept
1017 auto *const callback = static_cast<SessionStoppedCallback*>(data);
1021 void Session::set_stopped_callback(SessionStoppedCallback callback)
1023 _stopped_callback = move(callback);
1024 if (_stopped_callback)
1025 check(sr_session_stopped_callback_set(_structure,
1026 &session_stopped_callback, &_stopped_callback));
1028 check(sr_session_stopped_callback_set(_structure,
1032 static void datafeed_callback(const struct sr_dev_inst *sdi,
1033 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
1035 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1036 callback->run(sdi, pkt);
1039 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1041 unique_ptr<DatafeedCallbackData> cb_data
1042 {new DatafeedCallbackData{this, move(callback)}};
1043 check(sr_session_datafeed_callback_add(_structure,
1044 &datafeed_callback, cb_data.get()));
1045 _datafeed_callbacks.push_back(move(cb_data));
1048 void Session::remove_datafeed_callbacks()
1050 check(sr_session_datafeed_callback_remove_all(_structure));
1051 _datafeed_callbacks.clear();
1054 shared_ptr<Trigger> Session::trigger()
1059 void Session::set_trigger(shared_ptr<Trigger> trigger)
1062 // Set NULL trigger, i.e. remove any trigger from the session.
1063 check(sr_session_trigger_set(_structure, nullptr));
1065 check(sr_session_trigger_set(_structure, trigger->_structure));
1066 _trigger = move(trigger);
1069 string Session::filename() const
1074 shared_ptr<Context> Session::context()
1079 Packet::Packet(shared_ptr<Device> device,
1080 const struct sr_datafeed_packet *structure) :
1081 _structure(structure),
1082 _device(move(device))
1084 switch (structure->type)
1087 _payload.reset(new Header{
1088 static_cast<const struct sr_datafeed_header *>(
1089 structure->payload)});
1092 _payload.reset(new Meta{
1093 static_cast<const struct sr_datafeed_meta *>(
1094 structure->payload)});
1097 _payload.reset(new Logic{
1098 static_cast<const struct sr_datafeed_logic *>(
1099 structure->payload)});
1102 _payload.reset(new Analog{
1103 static_cast<const struct sr_datafeed_analog *>(
1104 structure->payload)});
1113 const PacketType *Packet::type() const
1115 return PacketType::get(_structure->type);
1118 shared_ptr<PacketPayload> Packet::payload()
1121 return _payload->share_owned_by(shared_from_this());
1123 throw Error(SR_ERR_NA);
1126 PacketPayload::PacketPayload()
1130 PacketPayload::~PacketPayload()
1134 Header::Header(const struct sr_datafeed_header *structure) :
1136 _structure(structure)
1144 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1146 return static_pointer_cast<PacketPayload>(
1147 ParentOwned::share_owned_by(_parent));
1150 int Header::feed_version() const
1152 return _structure->feed_version;
1155 Glib::TimeVal Header::start_time() const
1157 return Glib::TimeVal(
1158 _structure->starttime.tv_sec,
1159 _structure->starttime.tv_usec);
1162 Meta::Meta(const struct sr_datafeed_meta *structure) :
1164 _structure(structure)
1172 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1174 return static_pointer_cast<PacketPayload>(
1175 ParentOwned::share_owned_by(_parent));
1178 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1180 map<const ConfigKey *, Glib::VariantBase> result;
1181 for (auto l = _structure->config; l; l = l->next) {
1182 auto *const config = static_cast<struct sr_config *>(l->data);
1183 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1188 Logic::Logic(const struct sr_datafeed_logic *structure) :
1190 _structure(structure)
1198 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1200 return static_pointer_cast<PacketPayload>(
1201 ParentOwned::share_owned_by(_parent));
1204 void *Logic::data_pointer()
1206 return _structure->data;
1209 size_t Logic::data_length() const
1211 return _structure->length;
1214 unsigned int Logic::unit_size() const
1216 return _structure->unitsize;
1219 Analog::Analog(const struct sr_datafeed_analog *structure) :
1221 _structure(structure)
1229 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1231 return static_pointer_cast<PacketPayload>(
1232 ParentOwned::share_owned_by(_parent));
1235 void *Analog::data_pointer()
1237 return _structure->data;
1240 void Analog::get_data_as_float(float *dest)
1242 check(sr_analog_to_float(_structure, dest));
1245 unsigned int Analog::num_samples() const
1247 return _structure->num_samples;
1250 vector<shared_ptr<Channel>> Analog::channels()
1252 vector<shared_ptr<Channel>> result;
1253 for (auto l = _structure->meaning->channels; l; l = l->next) {
1254 auto *const ch = static_cast<struct sr_channel *>(l->data);
1255 result.push_back(_parent->_device->get_channel(ch));
1260 unsigned int Analog::unitsize() const
1262 return _structure->encoding->unitsize;
1265 bool Analog::is_signed() const
1267 return _structure->encoding->is_signed;
1270 bool Analog::is_float() const
1272 return _structure->encoding->is_float;
1275 bool Analog::is_bigendian() const
1277 return _structure->encoding->is_bigendian;
1280 int Analog::digits() const
1282 return _structure->encoding->digits;
1285 bool Analog::is_digits_decimal() const
1287 return _structure->encoding->is_digits_decimal;
1290 shared_ptr<Rational> Analog::scale()
1292 unique_ptr<Rational> scale;
1293 scale.reset(new Rational(&(_structure->encoding->scale)));
1296 return scale->share_owned_by(shared_from_this());
1298 throw Error(SR_ERR_NA);
1301 shared_ptr<Rational> Analog::offset()
1303 unique_ptr<Rational> offset;
1304 offset.reset(new Rational(&(_structure->encoding->offset)));
1307 return offset->share_owned_by(shared_from_this());
1309 throw Error(SR_ERR_NA);
1312 const Quantity *Analog::mq() const
1314 return Quantity::get(_structure->meaning->mq);
1317 const Unit *Analog::unit() const
1319 return Unit::get(_structure->meaning->unit);
1322 vector<const QuantityFlag *> Analog::mq_flags() const
1324 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1327 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1328 uint8_t *data_ptr) const
1330 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1331 datafeed->length = num_samples();
1332 datafeed->unitsize = 1;
1335 datafeed->data = data_ptr;
1337 datafeed->data = g_malloc(datafeed->length);
1339 shared_ptr<Logic> logic =
1340 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1342 check(sr_a2l_threshold(_structure, threshold,
1343 (uint8_t*)datafeed->data, datafeed->length));
1348 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1349 float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1351 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1352 datafeed->length = num_samples();
1353 datafeed->unitsize = 1;
1356 datafeed->data = data_ptr;
1358 datafeed->data = g_malloc(datafeed->length);
1360 shared_ptr<Logic> logic =
1361 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1363 check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1364 (uint8_t*)datafeed->data, datafeed->length));
1369 Rational::Rational(const struct sr_rational *structure) :
1370 _structure(structure)
1374 Rational::~Rational()
1378 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1380 return static_pointer_cast<Rational>(
1381 ParentOwned::share_owned_by(_parent));
1384 int64_t Rational::numerator() const
1386 return _structure->p;
1389 uint64_t Rational::denominator() const
1391 return _structure->q;
1394 float Rational::value() const
1396 return (float)(_structure->p) / (float)(_structure->q);
1399 InputFormat::InputFormat(const struct sr_input_module *structure) :
1400 _structure(structure)
1404 InputFormat::~InputFormat()
1408 string InputFormat::name() const
1410 return valid_string(sr_input_id_get(_structure));
1413 string InputFormat::description() const
1415 return valid_string(sr_input_description_get(_structure));
1418 vector<string> InputFormat::extensions() const
1420 vector<string> exts;
1421 for (const char *const *e = sr_input_extensions_get(_structure);
1427 map<string, shared_ptr<Option>> InputFormat::options()
1429 map<string, shared_ptr<Option>> result;
1431 if (const struct sr_option **options = sr_input_options_get(_structure)) {
1432 shared_ptr<const struct sr_option *> option_array
1433 {options, &sr_input_options_free};
1434 for (int i = 0; options[i]; i++) {
1435 shared_ptr<Option> opt {
1436 new Option{options[i], option_array},
1437 default_delete<Option>{}};
1438 result.emplace(opt->id(), move(opt));
1444 shared_ptr<Input> InputFormat::create_input(
1445 map<string, Glib::VariantBase> options)
1447 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1449 throw Error(SR_ERR_ARG);
1450 return shared_ptr<Input>{new Input{_parent, input}, default_delete<Input>{}};
1453 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1454 _structure(structure),
1455 _context(move(context))
1459 shared_ptr<InputDevice> Input::device()
1462 auto sdi = sr_input_dev_inst_get(_structure);
1464 throw Error(SR_ERR_NA);
1465 _device.reset(new InputDevice{shared_from_this(), sdi});
1468 return _device->share_owned_by(shared_from_this());
1471 void Input::send(void *data, size_t length)
1473 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1474 auto ret = sr_input_send(_structure, gstr);
1475 g_string_free(gstr, true);
1481 check(sr_input_end(_structure));
1486 check(sr_input_reset(_structure));
1491 sr_input_free(_structure);
1494 InputDevice::InputDevice(shared_ptr<Input> input,
1495 struct sr_dev_inst *structure) :
1501 InputDevice::~InputDevice()
1505 shared_ptr<Device> InputDevice::get_shared_from_this()
1507 return static_pointer_cast<Device>(shared_from_this());
1510 Option::Option(const struct sr_option *structure,
1511 shared_ptr<const struct sr_option *> structure_array) :
1512 _structure(structure),
1513 _structure_array(move(structure_array))
1521 string Option::id() const
1523 return valid_string(_structure->id);
1526 string Option::name() const
1528 return valid_string(_structure->name);
1531 string Option::description() const
1533 return valid_string(_structure->desc);
1536 Glib::VariantBase Option::default_value() const
1538 return Glib::VariantBase(_structure->def, true);
1541 vector<Glib::VariantBase> Option::values() const
1543 vector<Glib::VariantBase> result;
1544 for (auto l = _structure->values; l; l = l->next) {
1545 auto *const var = static_cast<GVariant *>(l->data);
1546 result.push_back(Glib::VariantBase(var, true));
1551 Glib::VariantBase Option::parse_string(string value)
1553 enum sr_datatype dt;
1554 Glib::VariantBase dflt = default_value();
1555 GVariant *tmpl = dflt.gobj();
1557 if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1559 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1561 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1563 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1565 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1568 throw Error(SR_ERR_BUG);
1570 return ConfigKey::parse_string(value, dt);
1573 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1574 _structure(structure)
1578 OutputFormat::~OutputFormat()
1582 string OutputFormat::name() const
1584 return valid_string(sr_output_id_get(_structure));
1587 string OutputFormat::description() const
1589 return valid_string(sr_output_description_get(_structure));
1592 vector<string> OutputFormat::extensions() const
1594 vector<string> exts;
1595 for (const char *const *e = sr_output_extensions_get(_structure);
1601 map<string, shared_ptr<Option>> OutputFormat::options()
1603 map<string, shared_ptr<Option>> result;
1605 if (const struct sr_option **options = sr_output_options_get(_structure)) {
1606 shared_ptr<const struct sr_option *> option_array
1607 {options, &sr_output_options_free};
1608 for (int i = 0; options[i]; i++) {
1609 shared_ptr<Option> opt {
1610 new Option{options[i], option_array},
1611 default_delete<Option>{}};
1612 result.emplace(opt->id(), move(opt));
1618 shared_ptr<Output> OutputFormat::create_output(
1619 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1621 return shared_ptr<Output>{
1622 new Output{shared_from_this(), move(device), move(options)},
1623 default_delete<Output>{}};
1626 shared_ptr<Output> OutputFormat::create_output(string filename,
1627 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1629 return shared_ptr<Output>{
1630 new Output{move(filename), shared_from_this(), move(device), move(options)},
1631 default_delete<Output>{}};
1634 bool OutputFormat::test_flag(const OutputFlag *flag) const
1636 return sr_output_test_flag(_structure, flag->id());
1639 Output::Output(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, nullptr)),
1643 _format(move(format)),
1644 _device(move(device)),
1645 _options(move(options))
1649 Output::Output(string filename, shared_ptr<OutputFormat> format,
1650 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1651 _structure(sr_output_new(format->_structure,
1652 map_to_hash_variant(options), device->_structure, filename.c_str())),
1653 _format(move(format)),
1654 _device(move(device)),
1655 _options(move(options))
1661 check(sr_output_free(_structure));
1664 string Output::receive(shared_ptr<Packet> packet)
1667 check(sr_output_send(_structure, packet->_structure, &out));
1669 auto result = string(out->str, out->str + out->len);
1670 g_string_free(out, true);
1677 #include <enums.cpp>