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/>.
21 #include <libsigrokcxx/libsigrokcxx.hpp>
29 /** Helper function to translate C errors to C++ exceptions. */
30 static void check(int result)
36 /** Helper function to obtain valid strings from possibly null input. */
37 static const char *valid_string(const char *input)
45 /** Helper function to convert between map<string, VariantBase> and GHashTable */
46 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
48 auto output = g_hash_table_new_full(
49 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
50 for (auto entry : input)
51 g_hash_table_insert(output,
52 g_strdup(entry.first.c_str()),
53 entry.second.gobj_copy());
57 Error::Error(int result) : result(result)
61 const char *Error::what() const throw()
63 return sr_strerror(result);
66 Error::~Error() throw()
70 shared_ptr<Context> Context::create()
72 return shared_ptr<Context>(new Context(), Context::Deleter());
76 UserOwned(_structure),
79 check(sr_init(&_structure));
81 struct sr_dev_driver **driver_list = sr_driver_list(_structure);
83 for (int i = 0; driver_list[i]; i++)
84 _drivers[driver_list[i]->name] =
85 new Driver(driver_list[i]);
86 const struct sr_input_module **input_list = sr_input_list();
88 for (int i = 0; input_list[i]; i++)
89 _input_formats[sr_input_id_get(input_list[i])] =
90 new InputFormat(input_list[i]);
91 const struct sr_output_module **output_list = sr_output_list();
93 for (int i = 0; output_list[i]; i++)
94 _output_formats[sr_output_id_get(output_list[i])] =
95 new OutputFormat(output_list[i]);
98 string Context::package_version()
100 return sr_package_version_string_get();
103 string Context::lib_version()
105 return sr_lib_version_string_get();
108 map<string, shared_ptr<Driver>> Context::drivers()
110 map<string, shared_ptr<Driver>> result;
111 for (auto entry: _drivers)
113 auto name = entry.first;
114 auto driver = entry.second;
115 result[name] = driver->get_shared_pointer(this);
120 map<string, shared_ptr<InputFormat>> Context::input_formats()
122 map<string, shared_ptr<InputFormat>> result;
123 for (auto entry: _input_formats)
125 auto name = entry.first;
126 auto input_format = entry.second;
127 result[name] = input_format->get_shared_pointer(this);
132 map<string, shared_ptr<OutputFormat>> Context::output_formats()
134 map<string, shared_ptr<OutputFormat>> result;
135 for (auto entry: _output_formats)
137 auto name = entry.first;
138 auto output_format = entry.second;
139 result[name] = output_format->get_shared_pointer(this);
146 for (auto entry : _drivers)
148 for (auto entry : _input_formats)
150 for (auto entry : _output_formats)
152 check(sr_exit(_structure));
155 const LogLevel *Context::log_level()
157 return LogLevel::get(sr_log_loglevel_get());
160 void Context::set_log_level(const LogLevel *level)
162 check(sr_log_loglevel_set(level->id()));
165 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
168 va_copy(args_copy, args);
169 int length = vsnprintf(NULL, 0, format, args_copy);
171 char *buf = (char *) g_malloc(length + 1);
172 vsprintf(buf, format, args);
173 string message(buf, length);
176 LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
180 callback(LogLevel::get(loglevel), message);
190 void Context::set_log_callback(LogCallbackFunction callback)
192 _log_callback = callback;
193 check(sr_log_callback_set(call_log_callback, &_log_callback));
196 void Context::set_log_callback_default()
198 check(sr_log_callback_set_default());
199 _log_callback = nullptr;
202 shared_ptr<Session> Context::create_session()
204 return shared_ptr<Session>(
205 new Session(shared_from_this()), Session::Deleter());
208 shared_ptr<UserDevice> Context::create_user_device(
209 string vendor, string model, string version)
211 return shared_ptr<UserDevice>(
212 new UserDevice(vendor, model, version), UserDevice::Deleter());
215 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
217 auto header = g_new(struct sr_datafeed_header, 1);
218 header->feed_version = 1;
219 header->starttime.tv_sec = start_time.tv_sec;
220 header->starttime.tv_usec = start_time.tv_usec;
221 auto packet = g_new(struct sr_datafeed_packet, 1);
222 packet->type = SR_DF_HEADER;
223 packet->payload = header;
224 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
227 shared_ptr<Packet> Context::create_meta_packet(
228 map<const ConfigKey *, Glib::VariantBase> config)
230 auto meta = g_new0(struct sr_datafeed_meta, 1);
231 for (auto input : config)
233 auto key = input.first;
234 auto value = input.second;
235 auto output = g_new(struct sr_config, 1);
236 output->key = key->id();
237 output->data = value.gobj();
238 g_variant_ref(output->data);
239 meta->config = g_slist_append(meta->config, output);
241 auto packet = g_new(struct sr_datafeed_packet, 1);
242 packet->type = SR_DF_META;
243 packet->payload = meta;
244 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
247 shared_ptr<Packet> Context::create_logic_packet(
248 void *data_pointer, size_t data_length, unsigned int unit_size)
250 auto logic = g_new(struct sr_datafeed_logic, 1);
251 logic->length = data_length;
252 logic->unitsize = unit_size;
253 logic->data = data_pointer;
254 auto packet = g_new(struct sr_datafeed_packet, 1);
255 packet->type = SR_DF_LOGIC;
256 packet->payload = logic;
257 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
260 shared_ptr<Packet> Context::create_analog_packet(
261 vector<shared_ptr<Channel> > channels,
262 float *data_pointer, unsigned int num_samples, const Quantity *mq,
263 const Unit *unit, vector<const QuantityFlag *> mqflags)
265 auto analog = g_new0(struct sr_datafeed_analog, 1);
266 for (auto channel : channels)
267 analog->channels = g_slist_append(analog->channels, channel->_structure);
268 analog->num_samples = num_samples;
269 analog->mq = mq->id();
270 analog->unit = unit->id();
271 analog->mqflags = QuantityFlag::mask_from_flags(mqflags);
272 analog->data = data_pointer;
273 auto packet = g_new(struct sr_datafeed_packet, 1);
274 packet->type = SR_DF_ANALOG;
275 packet->payload = analog;
276 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
279 shared_ptr<Session> Context::load_session(string filename)
281 return shared_ptr<Session>(
282 new Session(shared_from_this(), filename), Session::Deleter());
285 shared_ptr<Trigger> Context::create_trigger(string name)
287 return shared_ptr<Trigger>(
288 new Trigger(shared_from_this(), name), Trigger::Deleter());
291 shared_ptr<Input> Context::open_file(string filename)
293 const struct sr_input *input;
295 check(sr_input_scan_file(filename.c_str(), &input));
296 return shared_ptr<Input>(
297 new Input(shared_from_this(), input), Input::Deleter());
300 shared_ptr<Input> Context::open_stream(string header)
302 const struct sr_input *input;
304 auto gstr = g_string_new(header.c_str());
305 auto ret = sr_input_scan_buffer(gstr, &input);
306 g_string_free(gstr, true);
308 return shared_ptr<Input>(
309 new Input(shared_from_this(), input), Input::Deleter());
312 map<string, string> Context::serials(shared_ptr<Driver> driver)
314 GSList *serial_list = sr_serial_list(driver ? driver->_structure : NULL);
315 map<string, string> serials;
317 for (GSList *serial = serial_list; serial; serial = serial->next) {
318 struct sr_serial_port *port = (sr_serial_port *) serial->data;
319 serials[string(port->name)] = string(port->description);
322 g_slist_free_full(serial_list, (GDestroyNotify)sr_serial_free);
326 Driver::Driver(struct sr_dev_driver *structure) :
327 ParentOwned(structure),
328 Configurable(structure, NULL, NULL),
337 string Driver::name()
339 return valid_string(_structure->name);
342 string Driver::long_name()
344 return valid_string(_structure->longname);
347 vector<shared_ptr<HardwareDevice>> Driver::scan(
348 map<const ConfigKey *, Glib::VariantBase> options)
350 /* Initialise the driver if not yet done. */
353 check(sr_driver_init(_parent->_structure, _structure));
357 /* Translate scan options to GSList of struct sr_config pointers. */
358 GSList *option_list = NULL;
359 for (auto entry : options)
361 auto key = entry.first;
362 auto value = entry.second;
363 auto config = g_new(struct sr_config, 1);
364 config->key = key->id();
365 config->data = value.gobj();
366 option_list = g_slist_append(option_list, config);
370 GSList *device_list = sr_driver_scan(_structure, option_list);
372 /* Free option list. */
373 g_slist_free_full(option_list, g_free);
376 /* Create device objects. */
377 vector<shared_ptr<HardwareDevice>> result;
378 for (GSList *device = device_list; device; device = device->next)
380 auto sdi = (struct sr_dev_inst *) device->data;
381 result.push_back(shared_ptr<HardwareDevice>(
382 new HardwareDevice(shared_from_this(), sdi),
383 HardwareDevice::Deleter()));
386 /* Free GSList returned from scan. */
387 g_slist_free(device_list);
392 Configurable::Configurable(
393 struct sr_dev_driver *driver,
394 struct sr_dev_inst *sdi,
395 struct sr_channel_group *cg) :
396 config_driver(driver),
398 config_channel_group(cg)
402 Configurable::~Configurable()
406 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
410 config_driver, config_sdi, config_channel_group,
412 return Glib::VariantBase(data);
415 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
418 config_sdi, config_channel_group,
419 key->id(), value.gobj()));
422 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
425 check(sr_config_list(
426 config_driver, config_sdi, config_channel_group,
428 return Glib::VariantContainerBase(data);
431 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
435 const uint32_t *opts;
436 map<const ConfigKey *, set<Capability>> result;
438 check(sr_config_list(
439 config_driver, config_sdi, config_channel_group,
440 key->id(), &gvar_opts));
442 opts = (const uint32_t *) g_variant_get_fixed_array(
443 gvar_opts, &num_opts, sizeof(uint32_t));
445 for (gsize i = 0; i < num_opts; i++)
447 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
448 set<Capability> capabilities;
449 if (opts[i] & SR_CONF_GET)
450 capabilities.insert(GET);
451 if (opts[i] & SR_CONF_SET)
452 capabilities.insert(SET);
453 if (opts[i] & SR_CONF_LIST)
454 capabilities.insert(LIST);
455 result[key] = capabilities;
458 g_variant_unref(gvar_opts);
463 bool Configurable::config_check(const ConfigKey *key,
464 const ConfigKey *index_key)
468 const uint32_t *opts;
470 if (sr_config_list(config_driver, config_sdi, config_channel_group,
471 index_key->id(), &gvar_opts) != SR_OK)
474 opts = (const uint32_t *) g_variant_get_fixed_array(
475 gvar_opts, &num_opts, sizeof(uint32_t));
477 for (gsize i = 0; i < num_opts; i++)
479 if ((opts[i] & SR_CONF_MASK) == (uint32_t) key->id())
481 g_variant_unref(gvar_opts);
486 g_variant_unref(gvar_opts);
491 Device::Device(struct sr_dev_inst *structure) :
492 Configurable(sr_dev_inst_driver_get(structure), structure, NULL),
493 _structure(structure)
495 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
497 auto channel = (struct sr_channel *) entry->data;
498 _channels[channel] = new Channel(channel);
501 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
503 auto group = (struct sr_channel_group *) entry->data;
504 _channel_groups[group->name] = new ChannelGroup(this, group);
510 for (auto entry : _channels)
512 for (auto entry : _channel_groups)
516 string Device::vendor()
518 return valid_string(sr_dev_inst_vendor_get(_structure));
521 string Device::model()
523 return valid_string(sr_dev_inst_model_get(_structure));
526 string Device::version()
528 return valid_string(sr_dev_inst_version_get(_structure));
531 string Device::serial_number()
533 return valid_string(sr_dev_inst_sernum_get(_structure));
536 string Device::connection_id()
538 return valid_string(sr_dev_inst_connid_get(_structure));
541 vector<shared_ptr<Channel>> Device::channels()
543 vector<shared_ptr<Channel>> result;
544 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next)
546 _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
547 get_shared_from_this()));
551 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
553 return _channels[ptr]->get_shared_pointer(get_shared_from_this());
556 map<string, shared_ptr<ChannelGroup>>
557 Device::channel_groups()
559 map<string, shared_ptr<ChannelGroup>> result;
560 for (auto entry: _channel_groups)
562 auto name = entry.first;
563 auto channel_group = entry.second;
564 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
571 check(sr_dev_open(_structure));
576 check(sr_dev_close(_structure));
579 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
580 struct sr_dev_inst *structure) :
581 UserOwned(structure),
587 HardwareDevice::~HardwareDevice()
591 shared_ptr<Device> HardwareDevice::get_shared_from_this()
593 return static_pointer_cast<Device>(shared_from_this());
596 shared_ptr<Driver> HardwareDevice::driver()
601 UserDevice::UserDevice(string vendor, string model, string version) :
602 UserOwned(sr_dev_inst_user_new(
603 vendor.c_str(), model.c_str(), version.c_str())),
604 Device(UserOwned::_structure)
608 UserDevice::~UserDevice()
612 shared_ptr<Device> UserDevice::get_shared_from_this()
614 return static_pointer_cast<Device>(shared_from_this());
617 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
618 const ChannelType *type, string name)
620 check(sr_dev_inst_channel_add(Device::_structure,
621 index, type->id(), name.c_str()));
622 struct sr_channel *structure = (struct sr_channel *)
623 g_slist_last(sr_dev_inst_channels_get(Device::_structure))->data;
624 Channel *channel = new Channel(structure);
625 _channels[structure] = channel;
626 return get_channel(structure);
629 Channel::Channel(struct sr_channel *structure) :
630 ParentOwned(structure),
631 _type(ChannelType::get(_structure->type))
639 string Channel::name()
641 return valid_string(_structure->name);
644 void Channel::set_name(string name)
646 check(sr_dev_channel_name_set(_structure, name.c_str()));
649 const ChannelType *Channel::type()
651 return ChannelType::get(_structure->type);
654 bool Channel::enabled()
656 return _structure->enabled;
659 void Channel::set_enabled(bool value)
661 check(sr_dev_channel_enable(_structure, value));
664 unsigned int Channel::index()
666 return _structure->index;
669 ChannelGroup::ChannelGroup(Device *device,
670 struct sr_channel_group *structure) :
671 ParentOwned(structure),
672 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
674 for (GSList *entry = structure->channels; entry; entry = entry->next)
675 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
678 ChannelGroup::~ChannelGroup()
682 string ChannelGroup::name()
684 return valid_string(_structure->name);
687 vector<shared_ptr<Channel>> ChannelGroup::channels()
689 vector<shared_ptr<Channel>> result;
690 for (auto channel : _channels)
691 result.push_back(channel->get_shared_pointer(_parent));
695 Trigger::Trigger(shared_ptr<Context> context, string name) :
696 UserOwned(sr_trigger_new(name.c_str())),
699 for (auto stage = _structure->stages; stage; stage = stage->next)
701 new TriggerStage((struct sr_trigger_stage *) stage->data));
706 for (auto stage: _stages)
709 sr_trigger_free(_structure);
712 string Trigger::name()
714 return _structure->name;
717 vector<shared_ptr<TriggerStage>> Trigger::stages()
719 vector<shared_ptr<TriggerStage>> result;
720 for (auto stage : _stages)
721 result.push_back(stage->get_shared_pointer(this));
725 shared_ptr<TriggerStage> Trigger::add_stage()
727 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
728 _stages.push_back(stage);
729 return stage->get_shared_pointer(this);
732 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
733 ParentOwned(structure)
737 TriggerStage::~TriggerStage()
739 for (auto match : _matches)
743 int TriggerStage::number()
745 return _structure->stage;
748 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
750 vector<shared_ptr<TriggerMatch>> result;
751 for (auto match : _matches)
752 result.push_back(match->get_shared_pointer(this));
756 void TriggerStage::add_match(shared_ptr<Channel> channel,
757 const TriggerMatchType *type, float value)
759 check(sr_trigger_match_add(_structure,
760 channel->_structure, type->id(), value));
761 _matches.push_back(new TriggerMatch(
762 (struct sr_trigger_match *) g_slist_last(
763 _structure->matches)->data, channel));
766 void TriggerStage::add_match(shared_ptr<Channel> channel,
767 const TriggerMatchType *type)
769 add_match(channel, type, NAN);
772 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
773 shared_ptr<Channel> channel) :
774 ParentOwned(structure),
779 TriggerMatch::~TriggerMatch()
783 shared_ptr<Channel> TriggerMatch::channel()
788 const TriggerMatchType *TriggerMatch::type()
790 return TriggerMatchType::get(_structure->match);
793 float TriggerMatch::value()
795 return _structure->value;
798 DatafeedCallbackData::DatafeedCallbackData(Session *session,
799 DatafeedCallbackFunction callback) :
805 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
806 const struct sr_datafeed_packet *pkt)
808 auto device = _session->get_device(sdi);
809 auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
810 _callback(device, packet);
813 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
818 bool SourceCallbackData::run(int revents)
820 return _source->_callback((Glib::IOCondition) revents);
823 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
824 int timeout, SourceCallbackFunction callback)
826 auto result = new EventSource(timeout, callback);
827 result->_type = EventSource::SOURCE_FD;
829 result->_events = events;
830 return shared_ptr<EventSource>(result, EventSource::Deleter());
833 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
834 SourceCallbackFunction callback)
836 auto result = new EventSource(timeout, callback);
837 result->_type = EventSource::SOURCE_POLLFD;
838 result->_pollfd = pollfd;
839 return shared_ptr<EventSource>(result, EventSource::Deleter());
842 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
843 Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
845 auto result = new EventSource(timeout, callback);
846 result->_type = EventSource::SOURCE_IOCHANNEL;
847 result->_channel = channel;
848 result->_events = events;
849 return shared_ptr<EventSource>(result, EventSource::Deleter());
852 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
858 EventSource::~EventSource()
862 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
863 ParentOwned(structure),
868 SessionDevice::~SessionDevice()
872 shared_ptr<Device> SessionDevice::get_shared_from_this()
874 return static_pointer_cast<Device>(shared_from_this());
877 Session::Session(shared_ptr<Context> context) :
878 UserOwned(_structure),
882 check(sr_session_new(context->_structure, &_structure));
883 _context->_session = this;
886 Session::Session(shared_ptr<Context> context, string filename) :
887 UserOwned(_structure),
892 check(sr_session_load(context->_structure, filename.c_str(), &_structure));
894 check(sr_session_dev_list(_structure, &dev_list));
895 for (GSList *dev = dev_list; dev; dev = dev->next)
897 auto sdi = (struct sr_dev_inst *) dev->data;
898 _owned_devices[sdi] = new SessionDevice(sdi);
900 _context->_session = this;
905 check(sr_session_destroy(_structure));
907 for (auto callback : _datafeed_callbacks)
910 for (auto entry : _source_callbacks)
913 for (auto entry : _owned_devices)
917 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
919 if (_owned_devices.count(sdi))
920 return static_pointer_cast<Device>(
921 _owned_devices[sdi]->get_shared_pointer(this));
922 else if (_other_devices.count(sdi))
923 return _other_devices[sdi];
925 throw Error(SR_ERR_BUG);
928 void Session::add_device(shared_ptr<Device> device)
930 check(sr_session_dev_add(_structure, device->_structure));
931 _other_devices[device->_structure] = device;
934 vector<shared_ptr<Device>> Session::devices()
937 check(sr_session_dev_list(_structure, &dev_list));
938 vector<shared_ptr<Device>> result;
939 for (GSList *dev = dev_list; dev; dev = dev->next)
941 auto sdi = (struct sr_dev_inst *) dev->data;
942 result.push_back(get_device(sdi));
947 void Session::remove_devices()
949 _other_devices.clear();
950 check(sr_session_dev_remove_all(_structure));
953 void Session::start()
955 check(sr_session_start(_structure));
960 check(sr_session_run(_structure));
965 check(sr_session_stop(_structure));
968 void Session::begin_save(string filename)
971 _save_initialized = false;
972 _save_filename = filename;
973 _save_samplerate = 0;
976 void Session::append(shared_ptr<Packet> packet)
981 switch (packet->_structure->type)
985 auto meta = (const struct sr_datafeed_meta *)
986 packet->_structure->payload;
988 for (auto l = meta->config; l; l = l->next)
990 auto config = (struct sr_config *) l->data;
991 if (config->key == SR_CONF_SAMPLERATE)
992 _save_samplerate = g_variant_get_uint64(config->data);
999 if (_save_samplerate == 0)
1001 GVariant *samplerate;
1003 check(sr_config_get(sr_dev_inst_driver_get(packet->_device->_structure),
1004 packet->_device->_structure, NULL, SR_CONF_SAMPLERATE,
1007 _save_samplerate = g_variant_get_uint64(samplerate);
1009 g_variant_unref(samplerate);
1012 if (!_save_initialized)
1014 vector<shared_ptr<Channel>> save_channels;
1016 for (auto channel : packet->_device->channels())
1017 if (channel->_structure->enabled &&
1018 channel->_structure->type == SR_CHANNEL_LOGIC)
1019 save_channels.push_back(channel);
1021 auto channels = g_new(char *, save_channels.size());
1024 for (auto channel : save_channels)
1025 channels[i++] = channel->_structure->name;
1028 int ret = sr_session_save_init(_structure, _save_filename.c_str(),
1029 _save_samplerate, channels);
1036 _save_initialized = true;
1039 auto logic = (const struct sr_datafeed_logic *)
1040 packet->_structure->payload;
1042 check(sr_session_append(_structure, _save_filename.c_str(),
1043 (uint8_t *) logic->data, logic->unitsize,
1044 logic->length / logic->unitsize));
1049 void Session::append(void *data, size_t length, unsigned int unit_size)
1051 check(sr_session_append(_structure, _save_filename.c_str(),
1052 (uint8_t *) data, unit_size, length));
1055 static void datafeed_callback(const struct sr_dev_inst *sdi,
1056 const struct sr_datafeed_packet *pkt, void *cb_data)
1058 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1059 callback->run(sdi, pkt);
1062 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1064 auto cb_data = new DatafeedCallbackData(this, callback);
1065 check(sr_session_datafeed_callback_add(_structure,
1066 datafeed_callback, cb_data));
1067 _datafeed_callbacks.push_back(cb_data);
1070 void Session::remove_datafeed_callbacks(void)
1072 check(sr_session_datafeed_callback_remove_all(_structure));
1073 for (auto callback : _datafeed_callbacks)
1075 _datafeed_callbacks.clear();
1078 static int source_callback(int fd, int revents, void *cb_data)
1081 auto callback = (SourceCallbackData *) cb_data;
1082 return callback->run(revents);
1085 void Session::add_source(shared_ptr<EventSource> source)
1087 if (_source_callbacks.count(source) == 1)
1088 throw Error(SR_ERR_ARG);
1090 auto cb_data = new SourceCallbackData(source);
1092 switch (source->_type)
1094 case EventSource::SOURCE_FD:
1095 check(sr_session_source_add(_structure, source->_fd, source->_events,
1096 source->_timeout, source_callback, cb_data));
1098 case EventSource::SOURCE_POLLFD:
1099 check(sr_session_source_add_pollfd(_structure,
1100 source->_pollfd.gobj(), source->_timeout, source_callback,
1103 case EventSource::SOURCE_IOCHANNEL:
1104 check(sr_session_source_add_channel(_structure,
1105 source->_channel->gobj(), source->_events, source->_timeout,
1106 source_callback, cb_data));
1110 _source_callbacks[source] = cb_data;
1113 void Session::remove_source(shared_ptr<EventSource> source)
1115 if (_source_callbacks.count(source) == 0)
1116 throw Error(SR_ERR_ARG);
1118 switch (source->_type)
1120 case EventSource::SOURCE_FD:
1121 check(sr_session_source_remove(_structure, source->_fd));
1123 case EventSource::SOURCE_POLLFD:
1124 check(sr_session_source_remove_pollfd(_structure,
1125 source->_pollfd.gobj()));
1127 case EventSource::SOURCE_IOCHANNEL:
1128 check(sr_session_source_remove_channel(_structure,
1129 source->_channel->gobj()));
1133 delete _source_callbacks[source];
1135 _source_callbacks.erase(source);
1138 shared_ptr<Trigger> Session::trigger()
1143 void Session::set_trigger(shared_ptr<Trigger> trigger)
1146 // Set NULL trigger, i.e. remove any trigger from the session.
1147 check(sr_session_trigger_set(_structure, NULL));
1149 check(sr_session_trigger_set(_structure, trigger->_structure));
1153 string Session::filename()
1158 shared_ptr<Context> Session::context()
1163 Packet::Packet(shared_ptr<Device> device,
1164 const struct sr_datafeed_packet *structure) :
1165 UserOwned(structure),
1168 switch (structure->type)
1171 _payload = new Header(
1172 static_cast<const struct sr_datafeed_header *>(
1173 structure->payload));
1176 _payload = new Meta(
1177 static_cast<const struct sr_datafeed_meta *>(
1178 structure->payload));
1181 _payload = new Logic(
1182 static_cast<const struct sr_datafeed_logic *>(
1183 structure->payload));
1186 _payload = new Analog(
1187 static_cast<const struct sr_datafeed_analog *>(
1188 structure->payload));
1202 const PacketType *Packet::type()
1204 return PacketType::get(_structure->type);
1207 shared_ptr<PacketPayload> Packet::payload()
1210 return _payload->get_shared_pointer(this);
1212 throw Error(SR_ERR_NA);
1215 PacketPayload::PacketPayload()
1219 PacketPayload::~PacketPayload()
1223 Header::Header(const struct sr_datafeed_header *structure) :
1224 ParentOwned(structure),
1233 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1235 return static_pointer_cast<PacketPayload>(
1236 ParentOwned::get_shared_pointer(_parent));
1239 int Header::feed_version()
1241 return _structure->feed_version;
1244 Glib::TimeVal Header::start_time()
1246 return Glib::TimeVal(
1247 _structure->starttime.tv_sec,
1248 _structure->starttime.tv_usec);
1251 Meta::Meta(const struct sr_datafeed_meta *structure) :
1252 ParentOwned(structure),
1261 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1263 return static_pointer_cast<PacketPayload>(
1264 ParentOwned::get_shared_pointer(_parent));
1267 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1269 map<const ConfigKey *, Glib::VariantBase> result;
1270 for (auto l = _structure->config; l; l = l->next)
1272 auto config = (struct sr_config *) l->data;
1273 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1278 Logic::Logic(const struct sr_datafeed_logic *structure) :
1279 ParentOwned(structure),
1288 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1290 return static_pointer_cast<PacketPayload>(
1291 ParentOwned::get_shared_pointer(_parent));
1294 void *Logic::data_pointer()
1296 return _structure->data;
1299 size_t Logic::data_length()
1301 return _structure->length;
1304 unsigned int Logic::unit_size()
1306 return _structure->unitsize;
1309 Analog::Analog(const struct sr_datafeed_analog *structure) :
1310 ParentOwned(structure),
1319 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1321 return static_pointer_cast<PacketPayload>(
1322 ParentOwned::get_shared_pointer(_parent));
1325 float *Analog::data_pointer()
1327 return _structure->data;
1330 unsigned int Analog::num_samples()
1332 return _structure->num_samples;
1335 vector<shared_ptr<Channel>> Analog::channels()
1337 vector<shared_ptr<Channel>> result;
1338 for (auto l = _structure->channels; l; l = l->next)
1339 result.push_back(_parent->_device->get_channel(
1340 (struct sr_channel *)l->data));
1344 const Quantity *Analog::mq()
1346 return Quantity::get(_structure->mq);
1349 const Unit *Analog::unit()
1351 return Unit::get(_structure->unit);
1354 vector<const QuantityFlag *> Analog::mq_flags()
1356 return QuantityFlag::flags_from_mask(_structure->mqflags);
1359 InputFormat::InputFormat(const struct sr_input_module *structure) :
1360 ParentOwned(structure)
1364 InputFormat::~InputFormat()
1368 string InputFormat::name()
1370 return valid_string(sr_input_id_get(_structure));
1373 string InputFormat::description()
1375 return valid_string(sr_input_description_get(_structure));
1378 vector<string> InputFormat::extensions()
1380 vector<string> exts;
1381 for (const char *const *e = sr_input_extensions_get(_structure);
1387 map<string, shared_ptr<Option>> InputFormat::options()
1389 const struct sr_option **options = sr_input_options_get(_structure);
1390 map<string, shared_ptr<Option>> result;
1393 auto option_array = shared_ptr<const struct sr_option *>(
1394 options, sr_input_options_free);
1395 for (int i = 0; options[i]; i++)
1396 result[options[i]->id] = shared_ptr<Option>(
1397 new Option(options[i], option_array), Option::Deleter());
1402 shared_ptr<Input> InputFormat::create_input(
1403 map<string, Glib::VariantBase> options)
1405 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1407 throw Error(SR_ERR_ARG);
1408 return shared_ptr<Input>(
1409 new Input(_parent->shared_from_this(), input), Input::Deleter());
1412 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1413 UserOwned(structure),
1419 shared_ptr<InputDevice> Input::device()
1423 auto sdi = sr_input_dev_inst_get(_structure);
1425 throw Error(SR_ERR_NA);
1426 _device = new InputDevice(shared_from_this(), sdi);
1429 return _device->get_shared_pointer(shared_from_this());
1432 void Input::send(void *data, size_t length)
1434 auto gstr = g_string_new_len((gchar *)data, length);
1435 auto ret = sr_input_send(_structure, gstr);
1436 g_string_free(gstr, false);
1442 check(sr_input_end(_structure));
1449 sr_input_free(_structure);
1452 InputDevice::InputDevice(shared_ptr<Input> input,
1453 struct sr_dev_inst *structure) :
1454 ParentOwned(structure),
1460 InputDevice::~InputDevice()
1464 shared_ptr<Device> InputDevice::get_shared_from_this()
1466 return static_pointer_cast<Device>(shared_from_this());
1469 Option::Option(const struct sr_option *structure,
1470 shared_ptr<const struct sr_option *> structure_array) :
1471 UserOwned(structure),
1472 _structure_array(structure_array)
1482 return valid_string(_structure->id);
1485 string Option::name()
1487 return valid_string(_structure->name);
1490 string Option::description()
1492 return valid_string(_structure->desc);
1495 Glib::VariantBase Option::default_value()
1497 return Glib::VariantBase(_structure->def, true);
1500 vector<Glib::VariantBase> Option::values()
1502 vector<Glib::VariantBase> result;
1503 for (auto l = _structure->values; l; l = l->next)
1504 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1508 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1509 ParentOwned(structure)
1513 OutputFormat::~OutputFormat()
1517 string OutputFormat::name()
1519 return valid_string(sr_output_id_get(_structure));
1522 string OutputFormat::description()
1524 return valid_string(sr_output_description_get(_structure));
1527 vector<string> OutputFormat::extensions()
1529 vector<string> exts;
1530 for (const char *const *e = sr_output_extensions_get(_structure);
1536 map<string, shared_ptr<Option>> OutputFormat::options()
1538 const struct sr_option **options = sr_output_options_get(_structure);
1539 map<string, shared_ptr<Option>> result;
1542 auto option_array = shared_ptr<const struct sr_option *>(
1543 options, sr_output_options_free);
1544 for (int i = 0; options[i]; i++)
1545 result[options[i]->id] = shared_ptr<Option>(
1546 new Option(options[i], option_array), Option::Deleter());
1551 shared_ptr<Output> OutputFormat::create_output(
1552 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1554 return shared_ptr<Output>(
1555 new Output(shared_from_this(), device, options),
1559 shared_ptr<Output> OutputFormat::create_output(string filename,
1560 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1562 return shared_ptr<Output>(
1563 new Output(filename, shared_from_this(), device, options),
1567 bool OutputFormat::test_flag(const OutputFlag *flag)
1569 return sr_output_test_flag(_structure, flag->id());
1572 Output::Output(shared_ptr<OutputFormat> format,
1573 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1574 UserOwned(sr_output_new(format->_structure,
1575 map_to_hash_variant(options), device->_structure, NULL)),
1582 Output::Output(string filename, shared_ptr<OutputFormat> format,
1583 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1584 UserOwned(sr_output_new(format->_structure,
1585 map_to_hash_variant(options), device->_structure, filename.c_str())),
1594 check(sr_output_free(_structure));
1597 string Output::receive(shared_ptr<Packet> packet)
1600 check(sr_output_send(_structure, packet->_structure, &out));
1603 auto result = string(out->str, out->str + out->len);
1604 g_string_free(out, true);
1613 #include <enums.cpp>