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 */
22 #define _XOPEN_SOURCE 600
26 #include <libsigrokcxx/libsigrokcxx.hpp>
34 /** Helper function to translate C errors to C++ exceptions. */
35 static void check(int result)
41 /** Helper function to obtain valid strings from possibly null input. */
42 static const char *valid_string(const char *input)
50 /** Helper function to convert between map<string, VariantBase> and GHashTable */
51 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
53 auto output = g_hash_table_new_full(
54 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
55 for (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 throw()
68 return sr_strerror(result);
71 Error::~Error() throw()
75 shared_ptr<Context> Context::create()
77 return shared_ptr<Context>(new Context(), Context::Deleter());
81 UserOwned(_structure),
84 check(sr_init(&_structure));
86 struct sr_dev_driver **driver_list = sr_driver_list(_structure);
88 for (int i = 0; driver_list[i]; i++)
89 _drivers[driver_list[i]->name] =
90 new Driver(driver_list[i]);
91 const struct sr_input_module **input_list = sr_input_list();
93 for (int i = 0; input_list[i]; i++)
94 _input_formats[sr_input_id_get(input_list[i])] =
95 new InputFormat(input_list[i]);
96 const struct sr_output_module **output_list = sr_output_list();
98 for (int i = 0; output_list[i]; i++)
99 _output_formats[sr_output_id_get(output_list[i])] =
100 new OutputFormat(output_list[i]);
103 string Context::package_version()
105 return sr_package_version_string_get();
108 string Context::lib_version()
110 return sr_lib_version_string_get();
113 map<string, shared_ptr<Driver>> Context::drivers()
115 map<string, shared_ptr<Driver>> result;
116 for (auto entry: _drivers)
118 auto name = entry.first;
119 auto driver = entry.second;
120 result[name] = driver->get_shared_pointer(this);
125 map<string, shared_ptr<InputFormat>> Context::input_formats()
127 map<string, shared_ptr<InputFormat>> result;
128 for (auto entry: _input_formats)
130 auto name = entry.first;
131 auto input_format = entry.second;
132 result[name] = input_format->get_shared_pointer(this);
137 map<string, shared_ptr<OutputFormat>> Context::output_formats()
139 map<string, shared_ptr<OutputFormat>> result;
140 for (auto entry: _output_formats)
142 auto name = entry.first;
143 auto output_format = entry.second;
144 result[name] = output_format->get_shared_pointer(this);
151 for (auto entry : _drivers)
153 for (auto entry : _input_formats)
155 for (auto entry : _output_formats)
157 check(sr_exit(_structure));
160 const LogLevel *Context::log_level()
162 return LogLevel::get(sr_log_loglevel_get());
165 void Context::set_log_level(const LogLevel *level)
167 check(sr_log_loglevel_set(level->id()));
170 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
173 va_copy(args_copy, args);
174 int length = vsnprintf(NULL, 0, format, args_copy);
176 char *buf = (char *) g_malloc(length + 1);
177 vsprintf(buf, format, args);
178 string message(buf, length);
181 LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
185 callback(LogLevel::get(loglevel), message);
195 void Context::set_log_callback(LogCallbackFunction callback)
197 _log_callback = callback;
198 check(sr_log_callback_set(call_log_callback, &_log_callback));
201 void Context::set_log_callback_default()
203 check(sr_log_callback_set_default());
204 _log_callback = nullptr;
207 shared_ptr<Session> Context::create_session()
209 return shared_ptr<Session>(
210 new Session(shared_from_this()), Session::Deleter());
213 shared_ptr<UserDevice> Context::create_user_device(
214 string vendor, string model, string version)
216 return shared_ptr<UserDevice>(
217 new UserDevice(vendor, model, version), UserDevice::Deleter());
220 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
222 auto header = g_new(struct sr_datafeed_header, 1);
223 header->feed_version = 1;
224 header->starttime.tv_sec = start_time.tv_sec;
225 header->starttime.tv_usec = start_time.tv_usec;
226 auto packet = g_new(struct sr_datafeed_packet, 1);
227 packet->type = SR_DF_HEADER;
228 packet->payload = header;
229 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
232 shared_ptr<Packet> Context::create_meta_packet(
233 map<const ConfigKey *, Glib::VariantBase> config)
235 auto meta = g_new0(struct sr_datafeed_meta, 1);
236 for (auto input : config)
238 auto key = input.first;
239 auto value = input.second;
240 auto output = g_new(struct sr_config, 1);
241 output->key = key->id();
242 output->data = value.gobj();
243 g_variant_ref(output->data);
244 meta->config = g_slist_append(meta->config, output);
246 auto packet = g_new(struct sr_datafeed_packet, 1);
247 packet->type = SR_DF_META;
248 packet->payload = meta;
249 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
252 shared_ptr<Packet> Context::create_logic_packet(
253 void *data_pointer, size_t data_length, unsigned int unit_size)
255 auto logic = g_new(struct sr_datafeed_logic, 1);
256 logic->length = data_length;
257 logic->unitsize = unit_size;
258 logic->data = data_pointer;
259 auto packet = g_new(struct sr_datafeed_packet, 1);
260 packet->type = SR_DF_LOGIC;
261 packet->payload = logic;
262 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
265 shared_ptr<Packet> Context::create_analog_packet(
266 vector<shared_ptr<Channel> > channels,
267 float *data_pointer, unsigned int num_samples, const Quantity *mq,
268 const Unit *unit, vector<const QuantityFlag *> mqflags)
270 auto analog = g_new0(struct sr_datafeed_analog, 1);
271 for (auto channel : channels)
272 analog->channels = g_slist_append(analog->channels, channel->_structure);
273 analog->num_samples = num_samples;
274 analog->mq = mq->id();
275 analog->unit = unit->id();
276 analog->mqflags = QuantityFlag::mask_from_flags(mqflags);
277 analog->data = data_pointer;
278 auto packet = g_new(struct sr_datafeed_packet, 1);
279 packet->type = SR_DF_ANALOG;
280 packet->payload = analog;
281 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
284 shared_ptr<Session> Context::load_session(string filename)
286 return shared_ptr<Session>(
287 new Session(shared_from_this(), filename), Session::Deleter());
290 shared_ptr<Trigger> Context::create_trigger(string name)
292 return shared_ptr<Trigger>(
293 new Trigger(shared_from_this(), name), Trigger::Deleter());
296 shared_ptr<Input> Context::open_file(string filename)
298 const struct sr_input *input;
300 check(sr_input_scan_file(filename.c_str(), &input));
301 return shared_ptr<Input>(
302 new Input(shared_from_this(), input), Input::Deleter());
305 shared_ptr<Input> Context::open_stream(string header)
307 const struct sr_input *input;
309 auto gstr = g_string_new(header.c_str());
310 auto ret = sr_input_scan_buffer(gstr, &input);
311 g_string_free(gstr, true);
313 return shared_ptr<Input>(
314 new Input(shared_from_this(), input), Input::Deleter());
317 map<string, string> Context::serials(shared_ptr<Driver> driver)
319 GSList *serial_list = sr_serial_list(driver ? driver->_structure : NULL);
320 map<string, string> serials;
322 for (GSList *serial = serial_list; serial; serial = serial->next) {
323 struct sr_serial_port *port = (sr_serial_port *) serial->data;
324 serials[string(port->name)] = string(port->description);
327 g_slist_free_full(serial_list, (GDestroyNotify)sr_serial_free);
331 Driver::Driver(struct sr_dev_driver *structure) :
332 ParentOwned(structure),
333 Configurable(structure, NULL, NULL),
342 string Driver::name()
344 return valid_string(_structure->name);
347 string Driver::long_name()
349 return valid_string(_structure->longname);
352 vector<shared_ptr<HardwareDevice>> Driver::scan(
353 map<const ConfigKey *, Glib::VariantBase> options)
355 /* Initialise the driver if not yet done. */
358 check(sr_driver_init(_parent->_structure, _structure));
362 /* Translate scan options to GSList of struct sr_config pointers. */
363 GSList *option_list = NULL;
364 for (auto entry : options)
366 auto key = entry.first;
367 auto value = entry.second;
368 auto config = g_new(struct sr_config, 1);
369 config->key = key->id();
370 config->data = value.gobj();
371 option_list = g_slist_append(option_list, config);
375 GSList *device_list = sr_driver_scan(_structure, option_list);
377 /* Free option list. */
378 g_slist_free_full(option_list, g_free);
381 /* Create device objects. */
382 vector<shared_ptr<HardwareDevice>> result;
383 for (GSList *device = device_list; device; device = device->next)
385 auto sdi = (struct sr_dev_inst *) device->data;
386 result.push_back(shared_ptr<HardwareDevice>(
387 new HardwareDevice(shared_from_this(), sdi),
388 HardwareDevice::Deleter()));
391 /* Free GSList returned from scan. */
392 g_slist_free(device_list);
397 Configurable::Configurable(
398 struct sr_dev_driver *driver,
399 struct sr_dev_inst *sdi,
400 struct sr_channel_group *cg) :
401 config_driver(driver),
403 config_channel_group(cg)
407 Configurable::~Configurable()
411 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
415 config_driver, config_sdi, config_channel_group,
417 return Glib::VariantBase(data);
420 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
423 config_sdi, config_channel_group,
424 key->id(), value.gobj()));
427 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
430 check(sr_config_list(
431 config_driver, config_sdi, config_channel_group,
433 return Glib::VariantContainerBase(data);
436 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
440 const uint32_t *opts;
441 map<const ConfigKey *, set<Capability>> result;
443 check(sr_config_list(
444 config_driver, config_sdi, config_channel_group,
445 key->id(), &gvar_opts));
447 opts = (const uint32_t *) g_variant_get_fixed_array(
448 gvar_opts, &num_opts, sizeof(uint32_t));
450 for (gsize i = 0; i < num_opts; i++)
452 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
453 set<Capability> capabilities;
454 if (opts[i] & SR_CONF_GET)
455 capabilities.insert(GET);
456 if (opts[i] & SR_CONF_SET)
457 capabilities.insert(SET);
458 if (opts[i] & SR_CONF_LIST)
459 capabilities.insert(LIST);
460 result[key] = capabilities;
463 g_variant_unref(gvar_opts);
468 bool Configurable::config_check(const ConfigKey *key,
469 const ConfigKey *index_key)
473 const uint32_t *opts;
475 if (sr_config_list(config_driver, config_sdi, config_channel_group,
476 index_key->id(), &gvar_opts) != SR_OK)
479 opts = (const uint32_t *) g_variant_get_fixed_array(
480 gvar_opts, &num_opts, sizeof(uint32_t));
482 for (gsize i = 0; i < num_opts; i++)
484 if ((opts[i] & SR_CONF_MASK) == (uint32_t) key->id())
486 g_variant_unref(gvar_opts);
491 g_variant_unref(gvar_opts);
496 Device::Device(struct sr_dev_inst *structure) :
497 Configurable(sr_dev_inst_driver_get(structure), structure, NULL),
498 _structure(structure)
500 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
502 auto channel = (struct sr_channel *) entry->data;
503 _channels[channel] = new Channel(channel);
506 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
508 auto group = (struct sr_channel_group *) entry->data;
509 _channel_groups[group->name] = new ChannelGroup(this, group);
515 for (auto entry : _channels)
517 for (auto entry : _channel_groups)
521 string Device::vendor()
523 return valid_string(sr_dev_inst_vendor_get(_structure));
526 string Device::model()
528 return valid_string(sr_dev_inst_model_get(_structure));
531 string Device::version()
533 return valid_string(sr_dev_inst_version_get(_structure));
536 string Device::serial_number()
538 return valid_string(sr_dev_inst_sernum_get(_structure));
541 string Device::connection_id()
543 return valid_string(sr_dev_inst_connid_get(_structure));
546 vector<shared_ptr<Channel>> Device::channels()
548 vector<shared_ptr<Channel>> result;
549 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next)
551 _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
552 get_shared_from_this()));
556 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
558 return _channels[ptr]->get_shared_pointer(get_shared_from_this());
561 map<string, shared_ptr<ChannelGroup>>
562 Device::channel_groups()
564 map<string, shared_ptr<ChannelGroup>> result;
565 for (auto entry: _channel_groups)
567 auto name = entry.first;
568 auto channel_group = entry.second;
569 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
576 check(sr_dev_open(_structure));
581 check(sr_dev_close(_structure));
584 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
585 struct sr_dev_inst *structure) :
586 UserOwned(structure),
592 HardwareDevice::~HardwareDevice()
596 shared_ptr<Device> HardwareDevice::get_shared_from_this()
598 return static_pointer_cast<Device>(shared_from_this());
601 shared_ptr<Driver> HardwareDevice::driver()
606 UserDevice::UserDevice(string vendor, string model, string version) :
607 UserOwned(sr_dev_inst_user_new(
608 vendor.c_str(), model.c_str(), version.c_str())),
609 Device(UserOwned::_structure)
613 UserDevice::~UserDevice()
617 shared_ptr<Device> UserDevice::get_shared_from_this()
619 return static_pointer_cast<Device>(shared_from_this());
622 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
623 const ChannelType *type, string name)
625 check(sr_dev_inst_channel_add(Device::_structure,
626 index, type->id(), name.c_str()));
627 struct sr_channel *structure = (struct sr_channel *)
628 g_slist_last(sr_dev_inst_channels_get(Device::_structure))->data;
629 Channel *channel = new Channel(structure);
630 _channels[structure] = channel;
631 return get_channel(structure);
634 Channel::Channel(struct sr_channel *structure) :
635 ParentOwned(structure),
636 _type(ChannelType::get(_structure->type))
644 string Channel::name()
646 return valid_string(_structure->name);
649 void Channel::set_name(string name)
651 check(sr_dev_channel_name_set(_structure, name.c_str()));
654 const ChannelType *Channel::type()
656 return ChannelType::get(_structure->type);
659 bool Channel::enabled()
661 return _structure->enabled;
664 void Channel::set_enabled(bool value)
666 check(sr_dev_channel_enable(_structure, value));
669 unsigned int Channel::index()
671 return _structure->index;
674 ChannelGroup::ChannelGroup(Device *device,
675 struct sr_channel_group *structure) :
676 ParentOwned(structure),
677 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
679 for (GSList *entry = structure->channels; entry; entry = entry->next)
680 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
683 ChannelGroup::~ChannelGroup()
687 string ChannelGroup::name()
689 return valid_string(_structure->name);
692 vector<shared_ptr<Channel>> ChannelGroup::channels()
694 vector<shared_ptr<Channel>> result;
695 for (auto channel : _channels)
696 result.push_back(channel->get_shared_pointer(_parent));
700 Trigger::Trigger(shared_ptr<Context> context, string name) :
701 UserOwned(sr_trigger_new(name.c_str())),
704 for (auto stage = _structure->stages; stage; stage = stage->next)
706 new TriggerStage((struct sr_trigger_stage *) stage->data));
711 for (auto stage: _stages)
714 sr_trigger_free(_structure);
717 string Trigger::name()
719 return _structure->name;
722 vector<shared_ptr<TriggerStage>> Trigger::stages()
724 vector<shared_ptr<TriggerStage>> result;
725 for (auto stage : _stages)
726 result.push_back(stage->get_shared_pointer(this));
730 shared_ptr<TriggerStage> Trigger::add_stage()
732 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
733 _stages.push_back(stage);
734 return stage->get_shared_pointer(this);
737 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
738 ParentOwned(structure)
742 TriggerStage::~TriggerStage()
744 for (auto match : _matches)
748 int TriggerStage::number()
750 return _structure->stage;
753 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
755 vector<shared_ptr<TriggerMatch>> result;
756 for (auto match : _matches)
757 result.push_back(match->get_shared_pointer(this));
761 void TriggerStage::add_match(shared_ptr<Channel> channel,
762 const TriggerMatchType *type, float value)
764 check(sr_trigger_match_add(_structure,
765 channel->_structure, type->id(), value));
766 _matches.push_back(new TriggerMatch(
767 (struct sr_trigger_match *) g_slist_last(
768 _structure->matches)->data, channel));
771 void TriggerStage::add_match(shared_ptr<Channel> channel,
772 const TriggerMatchType *type)
774 add_match(channel, type, NAN);
777 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
778 shared_ptr<Channel> channel) :
779 ParentOwned(structure),
784 TriggerMatch::~TriggerMatch()
788 shared_ptr<Channel> TriggerMatch::channel()
793 const TriggerMatchType *TriggerMatch::type()
795 return TriggerMatchType::get(_structure->match);
798 float TriggerMatch::value()
800 return _structure->value;
803 DatafeedCallbackData::DatafeedCallbackData(Session *session,
804 DatafeedCallbackFunction callback) :
810 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
811 const struct sr_datafeed_packet *pkt)
813 auto device = _session->get_device(sdi);
814 auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
815 _callback(device, packet);
818 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
823 bool SourceCallbackData::run(int revents)
825 return _source->_callback((Glib::IOCondition) revents);
828 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
829 int timeout, SourceCallbackFunction callback)
831 auto result = new EventSource(timeout, callback);
832 result->_type = EventSource::SOURCE_FD;
834 result->_events = events;
835 return shared_ptr<EventSource>(result, EventSource::Deleter());
838 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
839 SourceCallbackFunction callback)
841 auto result = new EventSource(timeout, callback);
842 result->_type = EventSource::SOURCE_POLLFD;
843 result->_pollfd = pollfd;
844 return shared_ptr<EventSource>(result, EventSource::Deleter());
847 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
848 Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
850 auto result = new EventSource(timeout, callback);
851 result->_type = EventSource::SOURCE_IOCHANNEL;
852 result->_channel = channel;
853 result->_events = events;
854 return shared_ptr<EventSource>(result, EventSource::Deleter());
857 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
863 EventSource::~EventSource()
867 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
868 ParentOwned(structure),
873 SessionDevice::~SessionDevice()
877 shared_ptr<Device> SessionDevice::get_shared_from_this()
879 return static_pointer_cast<Device>(shared_from_this());
882 Session::Session(shared_ptr<Context> context) :
883 UserOwned(_structure),
887 check(sr_session_new(context->_structure, &_structure));
888 _context->_session = this;
891 Session::Session(shared_ptr<Context> context, string filename) :
892 UserOwned(_structure),
897 check(sr_session_load(context->_structure, filename.c_str(), &_structure));
899 check(sr_session_dev_list(_structure, &dev_list));
900 for (GSList *dev = dev_list; dev; dev = dev->next)
902 auto sdi = (struct sr_dev_inst *) dev->data;
903 _owned_devices[sdi] = new SessionDevice(sdi);
905 _context->_session = this;
910 check(sr_session_destroy(_structure));
912 for (auto callback : _datafeed_callbacks)
915 for (auto entry : _source_callbacks)
918 for (auto entry : _owned_devices)
922 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
924 if (_owned_devices.count(sdi))
925 return static_pointer_cast<Device>(
926 _owned_devices[sdi]->get_shared_pointer(this));
927 else if (_other_devices.count(sdi))
928 return _other_devices[sdi];
930 throw Error(SR_ERR_BUG);
933 void Session::add_device(shared_ptr<Device> device)
935 check(sr_session_dev_add(_structure, device->_structure));
936 _other_devices[device->_structure] = device;
939 vector<shared_ptr<Device>> Session::devices()
942 check(sr_session_dev_list(_structure, &dev_list));
943 vector<shared_ptr<Device>> result;
944 for (GSList *dev = dev_list; dev; dev = dev->next)
946 auto sdi = (struct sr_dev_inst *) dev->data;
947 result.push_back(get_device(sdi));
952 void Session::remove_devices()
954 _other_devices.clear();
955 check(sr_session_dev_remove_all(_structure));
958 void Session::start()
960 check(sr_session_start(_structure));
965 check(sr_session_run(_structure));
970 check(sr_session_stop(_structure));
973 void Session::begin_save(string filename)
976 _save_initialized = false;
977 _save_filename = filename;
978 _save_samplerate = 0;
981 void Session::append(shared_ptr<Packet> packet)
986 switch (packet->_structure->type)
990 auto meta = (const struct sr_datafeed_meta *)
991 packet->_structure->payload;
993 for (auto l = meta->config; l; l = l->next)
995 auto config = (struct sr_config *) l->data;
996 if (config->key == SR_CONF_SAMPLERATE)
997 _save_samplerate = g_variant_get_uint64(config->data);
1004 if (_save_samplerate == 0)
1006 GVariant *samplerate;
1008 check(sr_config_get(sr_dev_inst_driver_get(packet->_device->_structure),
1009 packet->_device->_structure, NULL, SR_CONF_SAMPLERATE,
1012 _save_samplerate = g_variant_get_uint64(samplerate);
1014 g_variant_unref(samplerate);
1017 if (!_save_initialized)
1019 vector<shared_ptr<Channel>> save_channels;
1021 for (auto channel : packet->_device->channels())
1022 if (channel->_structure->enabled &&
1023 channel->_structure->type == SR_CHANNEL_LOGIC)
1024 save_channels.push_back(channel);
1026 auto channels = g_new(char *, save_channels.size());
1029 for (auto channel : save_channels)
1030 channels[i++] = channel->_structure->name;
1033 int ret = sr_session_save_init(_structure, _save_filename.c_str(),
1034 _save_samplerate, channels);
1041 _save_initialized = true;
1044 auto logic = (const struct sr_datafeed_logic *)
1045 packet->_structure->payload;
1047 check(sr_session_append(_structure, _save_filename.c_str(),
1048 (uint8_t *) logic->data, logic->unitsize,
1049 logic->length / logic->unitsize));
1054 void Session::append(void *data, size_t length, unsigned int unit_size)
1056 check(sr_session_append(_structure, _save_filename.c_str(),
1057 (uint8_t *) data, unit_size, length));
1060 static void datafeed_callback(const struct sr_dev_inst *sdi,
1061 const struct sr_datafeed_packet *pkt, void *cb_data)
1063 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1064 callback->run(sdi, pkt);
1067 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1069 auto cb_data = new DatafeedCallbackData(this, callback);
1070 check(sr_session_datafeed_callback_add(_structure,
1071 datafeed_callback, cb_data));
1072 _datafeed_callbacks.push_back(cb_data);
1075 void Session::remove_datafeed_callbacks(void)
1077 check(sr_session_datafeed_callback_remove_all(_structure));
1078 for (auto callback : _datafeed_callbacks)
1080 _datafeed_callbacks.clear();
1083 static int source_callback(int fd, int revents, void *cb_data)
1086 auto callback = (SourceCallbackData *) cb_data;
1087 return callback->run(revents);
1090 void Session::add_source(shared_ptr<EventSource> source)
1092 if (_source_callbacks.count(source) == 1)
1093 throw Error(SR_ERR_ARG);
1095 auto cb_data = new SourceCallbackData(source);
1097 switch (source->_type)
1099 case EventSource::SOURCE_FD:
1100 check(sr_session_source_add(_structure, source->_fd, source->_events,
1101 source->_timeout, source_callback, cb_data));
1103 case EventSource::SOURCE_POLLFD:
1104 check(sr_session_source_add_pollfd(_structure,
1105 source->_pollfd.gobj(), source->_timeout, source_callback,
1108 case EventSource::SOURCE_IOCHANNEL:
1109 check(sr_session_source_add_channel(_structure,
1110 source->_channel->gobj(), source->_events, source->_timeout,
1111 source_callback, cb_data));
1115 _source_callbacks[source] = cb_data;
1118 void Session::remove_source(shared_ptr<EventSource> source)
1120 if (_source_callbacks.count(source) == 0)
1121 throw Error(SR_ERR_ARG);
1123 switch (source->_type)
1125 case EventSource::SOURCE_FD:
1126 check(sr_session_source_remove(_structure, source->_fd));
1128 case EventSource::SOURCE_POLLFD:
1129 check(sr_session_source_remove_pollfd(_structure,
1130 source->_pollfd.gobj()));
1132 case EventSource::SOURCE_IOCHANNEL:
1133 check(sr_session_source_remove_channel(_structure,
1134 source->_channel->gobj()));
1138 delete _source_callbacks[source];
1140 _source_callbacks.erase(source);
1143 shared_ptr<Trigger> Session::trigger()
1148 void Session::set_trigger(shared_ptr<Trigger> trigger)
1151 // Set NULL trigger, i.e. remove any trigger from the session.
1152 check(sr_session_trigger_set(_structure, NULL));
1154 check(sr_session_trigger_set(_structure, trigger->_structure));
1158 string Session::filename()
1163 shared_ptr<Context> Session::context()
1168 Packet::Packet(shared_ptr<Device> device,
1169 const struct sr_datafeed_packet *structure) :
1170 UserOwned(structure),
1173 switch (structure->type)
1176 _payload = new Header(
1177 static_cast<const struct sr_datafeed_header *>(
1178 structure->payload));
1181 _payload = new Meta(
1182 static_cast<const struct sr_datafeed_meta *>(
1183 structure->payload));
1186 _payload = new Logic(
1187 static_cast<const struct sr_datafeed_logic *>(
1188 structure->payload));
1191 _payload = new Analog(
1192 static_cast<const struct sr_datafeed_analog *>(
1193 structure->payload));
1207 const PacketType *Packet::type()
1209 return PacketType::get(_structure->type);
1212 shared_ptr<PacketPayload> Packet::payload()
1215 return _payload->get_shared_pointer(this);
1217 throw Error(SR_ERR_NA);
1220 PacketPayload::PacketPayload()
1224 PacketPayload::~PacketPayload()
1228 Header::Header(const struct sr_datafeed_header *structure) :
1229 ParentOwned(structure),
1238 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1240 return static_pointer_cast<PacketPayload>(
1241 ParentOwned::get_shared_pointer(_parent));
1244 int Header::feed_version()
1246 return _structure->feed_version;
1249 Glib::TimeVal Header::start_time()
1251 return Glib::TimeVal(
1252 _structure->starttime.tv_sec,
1253 _structure->starttime.tv_usec);
1256 Meta::Meta(const struct sr_datafeed_meta *structure) :
1257 ParentOwned(structure),
1266 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1268 return static_pointer_cast<PacketPayload>(
1269 ParentOwned::get_shared_pointer(_parent));
1272 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1274 map<const ConfigKey *, Glib::VariantBase> result;
1275 for (auto l = _structure->config; l; l = l->next)
1277 auto config = (struct sr_config *) l->data;
1278 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1283 Logic::Logic(const struct sr_datafeed_logic *structure) :
1284 ParentOwned(structure),
1293 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1295 return static_pointer_cast<PacketPayload>(
1296 ParentOwned::get_shared_pointer(_parent));
1299 void *Logic::data_pointer()
1301 return _structure->data;
1304 size_t Logic::data_length()
1306 return _structure->length;
1309 unsigned int Logic::unit_size()
1311 return _structure->unitsize;
1314 Analog::Analog(const struct sr_datafeed_analog *structure) :
1315 ParentOwned(structure),
1324 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1326 return static_pointer_cast<PacketPayload>(
1327 ParentOwned::get_shared_pointer(_parent));
1330 float *Analog::data_pointer()
1332 return _structure->data;
1335 unsigned int Analog::num_samples()
1337 return _structure->num_samples;
1340 vector<shared_ptr<Channel>> Analog::channels()
1342 vector<shared_ptr<Channel>> result;
1343 for (auto l = _structure->channels; l; l = l->next)
1344 result.push_back(_parent->_device->get_channel(
1345 (struct sr_channel *)l->data));
1349 const Quantity *Analog::mq()
1351 return Quantity::get(_structure->mq);
1354 const Unit *Analog::unit()
1356 return Unit::get(_structure->unit);
1359 vector<const QuantityFlag *> Analog::mq_flags()
1361 return QuantityFlag::flags_from_mask(_structure->mqflags);
1364 InputFormat::InputFormat(const struct sr_input_module *structure) :
1365 ParentOwned(structure)
1369 InputFormat::~InputFormat()
1373 string InputFormat::name()
1375 return valid_string(sr_input_id_get(_structure));
1378 string InputFormat::description()
1380 return valid_string(sr_input_description_get(_structure));
1383 vector<string> InputFormat::extensions()
1385 vector<string> exts;
1386 for (const char *const *e = sr_input_extensions_get(_structure);
1392 map<string, shared_ptr<Option>> InputFormat::options()
1394 const struct sr_option **options = sr_input_options_get(_structure);
1395 map<string, shared_ptr<Option>> result;
1398 auto option_array = shared_ptr<const struct sr_option *>(
1399 options, sr_input_options_free);
1400 for (int i = 0; options[i]; i++)
1401 result[options[i]->id] = shared_ptr<Option>(
1402 new Option(options[i], option_array), Option::Deleter());
1407 shared_ptr<Input> InputFormat::create_input(
1408 map<string, Glib::VariantBase> options)
1410 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1412 throw Error(SR_ERR_ARG);
1413 return shared_ptr<Input>(
1414 new Input(_parent->shared_from_this(), input), Input::Deleter());
1417 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1418 UserOwned(structure),
1424 shared_ptr<InputDevice> Input::device()
1428 auto sdi = sr_input_dev_inst_get(_structure);
1430 throw Error(SR_ERR_NA);
1431 _device = new InputDevice(shared_from_this(), sdi);
1434 return _device->get_shared_pointer(shared_from_this());
1437 void Input::send(void *data, size_t length)
1439 auto gstr = g_string_new_len((gchar *)data, length);
1440 auto ret = sr_input_send(_structure, gstr);
1441 g_string_free(gstr, false);
1447 check(sr_input_end(_structure));
1454 sr_input_free(_structure);
1457 InputDevice::InputDevice(shared_ptr<Input> input,
1458 struct sr_dev_inst *structure) :
1459 ParentOwned(structure),
1465 InputDevice::~InputDevice()
1469 shared_ptr<Device> InputDevice::get_shared_from_this()
1471 return static_pointer_cast<Device>(shared_from_this());
1474 Option::Option(const struct sr_option *structure,
1475 shared_ptr<const struct sr_option *> structure_array) :
1476 UserOwned(structure),
1477 _structure_array(structure_array)
1487 return valid_string(_structure->id);
1490 string Option::name()
1492 return valid_string(_structure->name);
1495 string Option::description()
1497 return valid_string(_structure->desc);
1500 Glib::VariantBase Option::default_value()
1502 return Glib::VariantBase(_structure->def, true);
1505 vector<Glib::VariantBase> Option::values()
1507 vector<Glib::VariantBase> result;
1508 for (auto l = _structure->values; l; l = l->next)
1509 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1513 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1514 ParentOwned(structure)
1518 OutputFormat::~OutputFormat()
1522 string OutputFormat::name()
1524 return valid_string(sr_output_id_get(_structure));
1527 string OutputFormat::description()
1529 return valid_string(sr_output_description_get(_structure));
1532 vector<string> OutputFormat::extensions()
1534 vector<string> exts;
1535 for (const char *const *e = sr_output_extensions_get(_structure);
1541 map<string, shared_ptr<Option>> OutputFormat::options()
1543 const struct sr_option **options = sr_output_options_get(_structure);
1544 map<string, shared_ptr<Option>> result;
1547 auto option_array = shared_ptr<const struct sr_option *>(
1548 options, sr_output_options_free);
1549 for (int i = 0; options[i]; i++)
1550 result[options[i]->id] = shared_ptr<Option>(
1551 new Option(options[i], option_array), Option::Deleter());
1556 shared_ptr<Output> OutputFormat::create_output(
1557 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1559 return shared_ptr<Output>(
1560 new Output(shared_from_this(), device, options),
1564 shared_ptr<Output> OutputFormat::create_output(string filename,
1565 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1567 return shared_ptr<Output>(
1568 new Output(filename, shared_from_this(), device, options),
1572 bool OutputFormat::test_flag(const OutputFlag *flag)
1574 return sr_output_test_flag(_structure, flag->id());
1577 Output::Output(shared_ptr<OutputFormat> format,
1578 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1579 UserOwned(sr_output_new(format->_structure,
1580 map_to_hash_variant(options), device->_structure, NULL)),
1587 Output::Output(string filename, shared_ptr<OutputFormat> format,
1588 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1589 UserOwned(sr_output_new(format->_structure,
1590 map_to_hash_variant(options), device->_structure, filename.c_str())),
1599 check(sr_output_free(_structure));
1602 string Output::receive(shared_ptr<Packet> packet)
1605 check(sr_output_send(_structure, packet->_structure, &out));
1608 auto result = string(out->str, out->str + out->len);
1609 g_string_free(out, true);
1618 #include <enums.cpp>