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 #include "libsigrokcxx/libsigrokcxx.hpp"
28 /** Helper function to translate C errors to C++ exceptions. */
29 static void check(int result)
35 /** Helper function to obtain valid strings from possibly null input. */
36 static const char *valid_string(const char *input)
44 /** Helper function to convert between map<string, VariantBase> and GHashTable */
45 static GHashTable *map_to_hash_variant(map<string, Glib::VariantBase> input)
47 auto output = g_hash_table_new_full(
48 g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_variant_unref);
49 for (auto entry : input)
50 g_hash_table_insert(output,
51 g_strdup(entry.first.c_str()),
52 entry.second.gobj_copy());
56 Error::Error(int result) : result(result)
60 const char *Error::what() const throw()
62 return sr_strerror(result);
65 Error::~Error() throw()
69 shared_ptr<Context> Context::create()
71 return shared_ptr<Context>(new Context(), Context::Deleter());
75 UserOwned(_structure),
78 check(sr_init(&_structure));
80 struct sr_dev_driver **driver_list = sr_driver_list();
82 for (int i = 0; driver_list[i]; i++)
83 _drivers[driver_list[i]->name] =
84 new Driver(driver_list[i]);
85 const struct sr_input_module **input_list = sr_input_list();
87 for (int i = 0; input_list[i]; i++)
88 _input_formats[sr_input_id_get(input_list[i])] =
89 new InputFormat(input_list[i]);
90 const struct sr_output_module **output_list = sr_output_list();
92 for (int i = 0; output_list[i]; i++)
93 _output_formats[sr_output_id_get(output_list[i])] =
94 new OutputFormat(output_list[i]);
97 string Context::package_version()
99 return sr_package_version_string_get();
102 string Context::lib_version()
104 return sr_lib_version_string_get();
107 map<string, shared_ptr<Driver>> Context::drivers()
109 map<string, shared_ptr<Driver>> result;
110 for (auto entry: _drivers)
112 auto name = entry.first;
113 auto driver = entry.second;
114 result[name] = driver->get_shared_pointer(this);
119 map<string, shared_ptr<InputFormat>> Context::input_formats()
121 map<string, shared_ptr<InputFormat>> result;
122 for (auto entry: _input_formats)
124 auto name = entry.first;
125 auto input_format = entry.second;
126 result[name] = input_format->get_shared_pointer(this);
131 map<string, shared_ptr<OutputFormat>> Context::output_formats()
133 map<string, shared_ptr<OutputFormat>> result;
134 for (auto entry: _output_formats)
136 auto name = entry.first;
137 auto output_format = entry.second;
138 result[name] = output_format->get_shared_pointer(this);
145 for (auto entry : _drivers)
147 for (auto entry : _input_formats)
149 for (auto entry : _output_formats)
151 check(sr_exit(_structure));
154 const LogLevel *Context::log_level()
156 return LogLevel::get(sr_log_loglevel_get());
159 void Context::set_log_level(const LogLevel *level)
161 check(sr_log_loglevel_set(level->id()));
164 string Context::log_domain()
166 return valid_string(sr_log_logdomain_get());
169 void Context::set_log_domain(string value)
171 check(sr_log_logdomain_set(value.c_str()));
174 static int call_log_callback(void *cb_data, int loglevel, const char *format, va_list args)
177 va_copy(args_copy, args);
178 int length = vsnprintf(NULL, 0, format, args_copy);
180 char *buf = (char *) g_malloc(length + 1);
181 vsprintf(buf, format, args);
182 string message(buf, length);
185 LogCallbackFunction callback = *((LogCallbackFunction *) cb_data);
189 callback(LogLevel::get(loglevel), message);
199 void Context::set_log_callback(LogCallbackFunction callback)
201 _log_callback = callback;
202 check(sr_log_callback_set(call_log_callback, &_log_callback));
205 void Context::set_log_callback_default()
207 check(sr_log_callback_set_default());
208 _log_callback = nullptr;
211 shared_ptr<Session> Context::create_session()
213 return shared_ptr<Session>(
214 new Session(shared_from_this()), Session::Deleter());
217 shared_ptr<UserDevice> Context::create_user_device(
218 string vendor, string model, string version)
220 return shared_ptr<UserDevice>(
221 new UserDevice(vendor, model, version), UserDevice::Deleter());
224 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
226 auto header = g_new(struct sr_datafeed_header, 1);
227 header->feed_version = 1;
228 header->starttime.tv_sec = start_time.tv_sec;
229 header->starttime.tv_usec = start_time.tv_usec;
230 auto packet = g_new(struct sr_datafeed_packet, 1);
231 packet->type = SR_DF_HEADER;
232 packet->payload = header;
233 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
236 shared_ptr<Packet> Context::create_meta_packet(
237 map<const ConfigKey *, Glib::VariantBase> config)
239 auto meta = g_new0(struct sr_datafeed_meta, 1);
240 for (auto input : config)
242 auto key = input.first;
243 auto value = input.second;
244 auto output = g_new(struct sr_config, 1);
245 output->key = key->id();
246 output->data = value.gobj();
247 g_variant_ref(output->data);
248 meta->config = g_slist_append(meta->config, output);
250 auto packet = g_new(struct sr_datafeed_packet, 1);
251 packet->type = SR_DF_META;
252 packet->payload = meta;
253 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
256 shared_ptr<Packet> Context::create_logic_packet(
257 void *data_pointer, size_t data_length, unsigned int unit_size)
259 auto logic = g_new(struct sr_datafeed_logic, 1);
260 logic->length = data_length;
261 logic->unitsize = unit_size;
262 logic->data = data_pointer;
263 auto packet = g_new(struct sr_datafeed_packet, 1);
264 packet->type = SR_DF_LOGIC;
265 packet->payload = logic;
266 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
269 shared_ptr<Packet> Context::create_analog_packet(
270 vector<shared_ptr<Channel> > channels,
271 float *data_pointer, unsigned int num_samples, const Quantity *mq,
272 const Unit *unit, vector<const QuantityFlag *> mqflags)
274 auto analog = g_new0(struct sr_datafeed_analog, 1);
275 for (auto channel : channels)
276 analog->channels = g_slist_append(analog->channels, channel->_structure);
277 analog->num_samples = num_samples;
278 analog->mq = mq->id();
279 analog->unit = unit->id();
280 analog->mqflags = QuantityFlag::mask_from_flags(mqflags);
281 analog->data = data_pointer;
282 auto packet = g_new(struct sr_datafeed_packet, 1);
283 packet->type = SR_DF_ANALOG;
284 packet->payload = analog;
285 return shared_ptr<Packet>(new Packet(nullptr, packet), Packet::Deleter());
288 shared_ptr<Session> Context::load_session(string filename)
290 return shared_ptr<Session>(
291 new Session(shared_from_this(), filename), Session::Deleter());
294 shared_ptr<Trigger> Context::create_trigger(string name)
296 return shared_ptr<Trigger>(
297 new Trigger(shared_from_this(), name), Trigger::Deleter());
300 shared_ptr<Input> Context::open_file(string filename)
302 const struct sr_input *input;
304 check(sr_input_scan_file(filename.c_str(), &input));
305 return shared_ptr<Input>(
306 new Input(shared_from_this(), input), Input::Deleter());
309 shared_ptr<Input> Context::open_stream(string header)
311 const struct sr_input *input;
313 auto gstr = g_string_new(header.c_str());
314 auto ret = sr_input_scan_buffer(gstr, &input);
315 g_string_free(gstr, true);
317 return shared_ptr<Input>(
318 new Input(shared_from_this(), input), Input::Deleter());
321 map<string, string> Context::serials(shared_ptr<Driver> driver)
323 GSList *serial_list = sr_serial_list(driver ? driver->_structure : NULL);
324 map<string, string> serials;
326 for (GSList *serial = serial_list; serial; serial = serial->next) {
327 struct sr_serial_port *port = (sr_serial_port *) serial->data;
328 serials[string(port->name)] = string(port->description);
331 g_slist_free_full(serial_list, (GDestroyNotify)sr_serial_free);
335 Driver::Driver(struct sr_dev_driver *structure) :
336 ParentOwned(structure),
337 Configurable(structure, NULL, NULL),
346 string Driver::name()
348 return valid_string(_structure->name);
351 string Driver::long_name()
353 return valid_string(_structure->longname);
356 vector<shared_ptr<HardwareDevice>> Driver::scan(
357 map<const ConfigKey *, Glib::VariantBase> options)
359 /* Initialise the driver if not yet done. */
362 check(sr_driver_init(_parent->_structure, _structure));
366 /* Translate scan options to GSList of struct sr_config pointers. */
367 GSList *option_list = NULL;
368 for (auto entry : options)
370 auto key = entry.first;
371 auto value = entry.second;
372 auto config = g_new(struct sr_config, 1);
373 config->key = key->id();
374 config->data = value.gobj();
375 option_list = g_slist_append(option_list, config);
379 GSList *device_list = sr_driver_scan(_structure, option_list);
381 /* Free option list. */
382 g_slist_free_full(option_list, g_free);
385 /* Create device objects. */
386 vector<shared_ptr<HardwareDevice>> result;
387 for (GSList *device = device_list; device; device = device->next)
389 auto sdi = (struct sr_dev_inst *) device->data;
390 result.push_back(shared_ptr<HardwareDevice>(
391 new HardwareDevice(shared_from_this(), sdi),
392 HardwareDevice::Deleter()));
395 /* Free GSList returned from scan. */
396 g_slist_free(device_list);
401 Configurable::Configurable(
402 struct sr_dev_driver *driver,
403 struct sr_dev_inst *sdi,
404 struct sr_channel_group *cg) :
405 config_driver(driver),
407 config_channel_group(cg)
411 Configurable::~Configurable()
415 Glib::VariantBase Configurable::config_get(const ConfigKey *key)
419 config_driver, config_sdi, config_channel_group,
421 return Glib::VariantBase(data);
424 void Configurable::config_set(const ConfigKey *key, Glib::VariantBase value)
427 config_sdi, config_channel_group,
428 key->id(), value.gobj()));
431 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
434 check(sr_config_list(
435 config_driver, config_sdi, config_channel_group,
437 return Glib::VariantContainerBase(data);
440 map<const ConfigKey *, set<Capability>> Configurable::config_keys(const ConfigKey *key)
444 const uint32_t *opts;
445 map<const ConfigKey *, set<Capability>> result;
447 check(sr_config_list(
448 config_driver, config_sdi, config_channel_group,
449 key->id(), &gvar_opts));
451 opts = (const uint32_t *) g_variant_get_fixed_array(
452 gvar_opts, &num_opts, sizeof(uint32_t));
454 for (gsize i = 0; i < num_opts; i++)
456 auto key = ConfigKey::get(opts[i] & SR_CONF_MASK);
457 set<Capability> capabilities;
458 if (opts[i] & SR_CONF_GET)
459 capabilities.insert(GET);
460 if (opts[i] & SR_CONF_SET)
461 capabilities.insert(SET);
462 if (opts[i] & SR_CONF_LIST)
463 capabilities.insert(LIST);
464 result[key] = capabilities;
467 g_variant_unref(gvar_opts);
472 bool Configurable::config_check(const ConfigKey *key,
473 const ConfigKey *index_key)
477 const uint32_t *opts;
479 if (sr_config_list(config_driver, config_sdi, config_channel_group,
480 index_key->id(), &gvar_opts) != SR_OK)
483 opts = (const uint32_t *) g_variant_get_fixed_array(
484 gvar_opts, &num_opts, sizeof(uint32_t));
486 for (gsize i = 0; i < num_opts; i++)
488 if ((opts[i] & SR_CONF_MASK) == (uint32_t) key->id())
490 g_variant_unref(gvar_opts);
495 g_variant_unref(gvar_opts);
500 Device::Device(struct sr_dev_inst *structure) :
501 Configurable(sr_dev_inst_driver_get(structure), structure, NULL),
502 _structure(structure)
504 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next)
506 auto channel = (struct sr_channel *) entry->data;
507 _channels[channel] = new Channel(channel);
510 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next)
512 auto group = (struct sr_channel_group *) entry->data;
513 _channel_groups[group->name] = new ChannelGroup(this, group);
519 for (auto entry : _channels)
521 for (auto entry : _channel_groups)
525 string Device::vendor()
527 return valid_string(sr_dev_inst_vendor_get(_structure));
530 string Device::model()
532 return valid_string(sr_dev_inst_model_get(_structure));
535 string Device::version()
537 return valid_string(sr_dev_inst_version_get(_structure));
540 string Device::serial_number()
542 return valid_string(sr_dev_inst_sernum_get(_structure));
545 string Device::connection_id()
547 return valid_string(sr_dev_inst_connid_get(_structure));
550 vector<shared_ptr<Channel>> Device::channels()
552 vector<shared_ptr<Channel>> result;
553 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next)
555 _channels[(struct sr_channel *) channel->data]->get_shared_pointer(
556 get_shared_from_this()));
560 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
562 return _channels[ptr]->get_shared_pointer(get_shared_from_this());
565 map<string, shared_ptr<ChannelGroup>>
566 Device::channel_groups()
568 map<string, shared_ptr<ChannelGroup>> result;
569 for (auto entry: _channel_groups)
571 auto name = entry.first;
572 auto channel_group = entry.second;
573 result[name] = channel_group->get_shared_pointer(get_shared_from_this());
580 check(sr_dev_open(_structure));
585 check(sr_dev_close(_structure));
588 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
589 struct sr_dev_inst *structure) :
590 UserOwned(structure),
596 HardwareDevice::~HardwareDevice()
600 shared_ptr<Device> HardwareDevice::get_shared_from_this()
602 return static_pointer_cast<Device>(shared_from_this());
605 shared_ptr<Driver> HardwareDevice::driver()
610 UserDevice::UserDevice(string vendor, string model, string version) :
611 UserOwned(sr_dev_inst_user_new(
612 vendor.c_str(), model.c_str(), version.c_str())),
613 Device(UserOwned::_structure)
617 UserDevice::~UserDevice()
621 shared_ptr<Device> UserDevice::get_shared_from_this()
623 return static_pointer_cast<Device>(shared_from_this());
626 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
627 const ChannelType *type, string name)
629 check(sr_dev_inst_channel_add(Device::_structure,
630 index, type->id(), name.c_str()));
631 struct sr_channel *structure = (struct sr_channel *)
632 g_slist_last(sr_dev_inst_channels_get(Device::_structure))->data;
633 Channel *channel = new Channel(structure);
634 _channels[structure] = channel;
635 return get_channel(structure);
638 Channel::Channel(struct sr_channel *structure) :
639 ParentOwned(structure),
640 _type(ChannelType::get(_structure->type))
648 string Channel::name()
650 return valid_string(_structure->name);
653 void Channel::set_name(string name)
655 check(sr_dev_channel_name_set(_structure, name.c_str()));
658 const ChannelType *Channel::type()
660 return ChannelType::get(_structure->type);
663 bool Channel::enabled()
665 return _structure->enabled;
668 void Channel::set_enabled(bool value)
670 check(sr_dev_channel_enable(_structure, value));
673 unsigned int Channel::index()
675 return _structure->index;
678 ChannelGroup::ChannelGroup(Device *device,
679 struct sr_channel_group *structure) :
680 ParentOwned(structure),
681 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
683 for (GSList *entry = structure->channels; entry; entry = entry->next)
684 _channels.push_back(device->_channels[(struct sr_channel *)entry->data]);
687 ChannelGroup::~ChannelGroup()
691 string ChannelGroup::name()
693 return valid_string(_structure->name);
696 vector<shared_ptr<Channel>> ChannelGroup::channels()
698 vector<shared_ptr<Channel>> result;
699 for (auto channel : _channels)
700 result.push_back(channel->get_shared_pointer(_parent));
704 Trigger::Trigger(shared_ptr<Context> context, string name) :
705 UserOwned(sr_trigger_new(name.c_str())),
708 for (auto stage = _structure->stages; stage; stage = stage->next)
710 new TriggerStage((struct sr_trigger_stage *) stage->data));
715 for (auto stage: _stages)
718 sr_trigger_free(_structure);
721 string Trigger::name()
723 return _structure->name;
726 vector<shared_ptr<TriggerStage>> Trigger::stages()
728 vector<shared_ptr<TriggerStage>> result;
729 for (auto stage : _stages)
730 result.push_back(stage->get_shared_pointer(this));
734 shared_ptr<TriggerStage> Trigger::add_stage()
736 auto stage = new TriggerStage(sr_trigger_stage_add(_structure));
737 _stages.push_back(stage);
738 return stage->get_shared_pointer(this);
741 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
742 ParentOwned(structure)
746 TriggerStage::~TriggerStage()
748 for (auto match : _matches)
752 int TriggerStage::number()
754 return _structure->stage;
757 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
759 vector<shared_ptr<TriggerMatch>> result;
760 for (auto match : _matches)
761 result.push_back(match->get_shared_pointer(this));
765 void TriggerStage::add_match(shared_ptr<Channel> channel,
766 const TriggerMatchType *type, float value)
768 check(sr_trigger_match_add(_structure,
769 channel->_structure, type->id(), value));
770 _matches.push_back(new TriggerMatch(
771 (struct sr_trigger_match *) g_slist_last(
772 _structure->matches)->data, channel));
775 void TriggerStage::add_match(shared_ptr<Channel> channel,
776 const TriggerMatchType *type)
778 add_match(channel, type, NAN);
781 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
782 shared_ptr<Channel> channel) :
783 ParentOwned(structure),
788 TriggerMatch::~TriggerMatch()
792 shared_ptr<Channel> TriggerMatch::channel()
797 const TriggerMatchType *TriggerMatch::type()
799 return TriggerMatchType::get(_structure->match);
802 float TriggerMatch::value()
804 return _structure->value;
807 DatafeedCallbackData::DatafeedCallbackData(Session *session,
808 DatafeedCallbackFunction callback) :
814 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
815 const struct sr_datafeed_packet *pkt)
817 auto device = _session->get_device(sdi);
818 auto packet = shared_ptr<Packet>(new Packet(device, pkt), Packet::Deleter());
819 _callback(device, packet);
822 SourceCallbackData::SourceCallbackData(shared_ptr<EventSource> source) :
827 bool SourceCallbackData::run(int revents)
829 return _source->_callback((Glib::IOCondition) revents);
832 shared_ptr<EventSource> EventSource::create(int fd, Glib::IOCondition events,
833 int timeout, SourceCallbackFunction callback)
835 auto result = new EventSource(timeout, callback);
836 result->_type = EventSource::SOURCE_FD;
838 result->_events = events;
839 return shared_ptr<EventSource>(result, EventSource::Deleter());
842 shared_ptr<EventSource> EventSource::create(Glib::PollFD pollfd, int timeout,
843 SourceCallbackFunction callback)
845 auto result = new EventSource(timeout, callback);
846 result->_type = EventSource::SOURCE_POLLFD;
847 result->_pollfd = pollfd;
848 return shared_ptr<EventSource>(result, EventSource::Deleter());
851 shared_ptr<EventSource> EventSource::create(Glib::RefPtr<Glib::IOChannel> channel,
852 Glib::IOCondition events, int timeout, SourceCallbackFunction callback)
854 auto result = new EventSource(timeout, callback);
855 result->_type = EventSource::SOURCE_IOCHANNEL;
856 result->_channel = channel;
857 result->_events = events;
858 return shared_ptr<EventSource>(result, EventSource::Deleter());
861 EventSource::EventSource(int timeout, SourceCallbackFunction callback) :
867 EventSource::~EventSource()
871 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
872 ParentOwned(structure),
877 SessionDevice::~SessionDevice()
881 shared_ptr<Device> SessionDevice::get_shared_from_this()
883 return static_pointer_cast<Device>(shared_from_this());
886 Session::Session(shared_ptr<Context> context) :
887 UserOwned(_structure),
891 check(sr_session_new(&_structure));
892 _context->_session = this;
895 Session::Session(shared_ptr<Context> context, string filename) :
896 UserOwned(_structure),
901 check(sr_session_load(filename.c_str(), &_structure));
903 check(sr_session_dev_list(_structure, &dev_list));
904 for (GSList *dev = dev_list; dev; dev = dev->next)
906 auto sdi = (struct sr_dev_inst *) dev->data;
907 _owned_devices[sdi] = new SessionDevice(sdi);
909 _context->_session = this;
914 check(sr_session_destroy(_structure));
916 for (auto callback : _datafeed_callbacks)
919 for (auto entry : _source_callbacks)
922 for (auto entry : _owned_devices)
926 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
928 if (_owned_devices.count(sdi))
929 return static_pointer_cast<Device>(
930 _owned_devices[sdi]->get_shared_pointer(this));
931 else if (_other_devices.count(sdi))
932 return _other_devices[sdi];
934 throw Error(SR_ERR_BUG);
937 void Session::add_device(shared_ptr<Device> device)
939 check(sr_session_dev_add(_structure, device->_structure));
940 _other_devices[device->_structure] = device;
943 vector<shared_ptr<Device>> Session::devices()
946 check(sr_session_dev_list(_structure, &dev_list));
947 vector<shared_ptr<Device>> result;
948 for (GSList *dev = dev_list; dev; dev = dev->next)
950 auto sdi = (struct sr_dev_inst *) dev->data;
951 result.push_back(get_device(sdi));
956 void Session::remove_devices()
958 _other_devices.clear();
959 check(sr_session_dev_remove_all(_structure));
962 void Session::start()
964 check(sr_session_start(_structure));
969 check(sr_session_run(_structure));
974 check(sr_session_stop(_structure));
977 void Session::begin_save(string filename)
980 _save_initialized = false;
981 _save_filename = filename;
982 _save_samplerate = 0;
985 void Session::append(shared_ptr<Packet> packet)
990 switch (packet->_structure->type)
994 auto meta = (const struct sr_datafeed_meta *)
995 packet->_structure->payload;
997 for (auto l = meta->config; l; l = l->next)
999 auto config = (struct sr_config *) l->data;
1000 if (config->key == SR_CONF_SAMPLERATE)
1001 _save_samplerate = g_variant_get_uint64(config->data);
1008 if (_save_samplerate == 0)
1010 GVariant *samplerate;
1012 check(sr_config_get(sr_dev_inst_driver_get(packet->_device->_structure),
1013 packet->_device->_structure, NULL, SR_CONF_SAMPLERATE,
1016 _save_samplerate = g_variant_get_uint64(samplerate);
1018 g_variant_unref(samplerate);
1021 if (!_save_initialized)
1023 vector<shared_ptr<Channel>> save_channels;
1025 for (auto channel : packet->_device->channels())
1026 if (channel->_structure->enabled &&
1027 channel->_structure->type == SR_CHANNEL_LOGIC)
1028 save_channels.push_back(channel);
1030 auto channels = g_new(char *, save_channels.size());
1033 for (auto channel : save_channels)
1034 channels[i++] = channel->_structure->name;
1037 int ret = sr_session_save_init(_structure, _save_filename.c_str(),
1038 _save_samplerate, channels);
1045 _save_initialized = true;
1048 auto logic = (const struct sr_datafeed_logic *)
1049 packet->_structure->payload;
1051 check(sr_session_append(_structure, _save_filename.c_str(),
1052 (uint8_t *) logic->data, logic->unitsize,
1053 logic->length / logic->unitsize));
1058 void Session::append(void *data, size_t length, unsigned int unit_size)
1060 check(sr_session_append(_structure, _save_filename.c_str(),
1061 (uint8_t *) data, unit_size, length));
1064 static void datafeed_callback(const struct sr_dev_inst *sdi,
1065 const struct sr_datafeed_packet *pkt, void *cb_data)
1067 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
1068 callback->run(sdi, pkt);
1071 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1073 auto cb_data = new DatafeedCallbackData(this, callback);
1074 check(sr_session_datafeed_callback_add(_structure,
1075 datafeed_callback, cb_data));
1076 _datafeed_callbacks.push_back(cb_data);
1079 void Session::remove_datafeed_callbacks(void)
1081 check(sr_session_datafeed_callback_remove_all(_structure));
1082 for (auto callback : _datafeed_callbacks)
1084 _datafeed_callbacks.clear();
1087 static int source_callback(int fd, int revents, void *cb_data)
1090 auto callback = (SourceCallbackData *) cb_data;
1091 return callback->run(revents);
1094 void Session::add_source(shared_ptr<EventSource> source)
1096 if (_source_callbacks.count(source) == 1)
1097 throw Error(SR_ERR_ARG);
1099 auto cb_data = new SourceCallbackData(source);
1101 switch (source->_type)
1103 case EventSource::SOURCE_FD:
1104 check(sr_session_source_add(_structure, source->_fd, source->_events,
1105 source->_timeout, source_callback, cb_data));
1107 case EventSource::SOURCE_POLLFD:
1108 check(sr_session_source_add_pollfd(_structure,
1109 source->_pollfd.gobj(), source->_timeout, source_callback,
1112 case EventSource::SOURCE_IOCHANNEL:
1113 check(sr_session_source_add_channel(_structure,
1114 source->_channel->gobj(), source->_events, source->_timeout,
1115 source_callback, cb_data));
1119 _source_callbacks[source] = cb_data;
1122 void Session::remove_source(shared_ptr<EventSource> source)
1124 if (_source_callbacks.count(source) == 0)
1125 throw Error(SR_ERR_ARG);
1127 switch (source->_type)
1129 case EventSource::SOURCE_FD:
1130 check(sr_session_source_remove(_structure, source->_fd));
1132 case EventSource::SOURCE_POLLFD:
1133 check(sr_session_source_remove_pollfd(_structure,
1134 source->_pollfd.gobj()));
1136 case EventSource::SOURCE_IOCHANNEL:
1137 check(sr_session_source_remove_channel(_structure,
1138 source->_channel->gobj()));
1142 delete _source_callbacks[source];
1144 _source_callbacks.erase(source);
1147 shared_ptr<Trigger> Session::trigger()
1152 void Session::set_trigger(shared_ptr<Trigger> trigger)
1155 // Set NULL trigger, i.e. remove any trigger from the session.
1156 check(sr_session_trigger_set(_structure, NULL));
1158 check(sr_session_trigger_set(_structure, trigger->_structure));
1162 string Session::filename()
1167 shared_ptr<Context> Session::context()
1172 Packet::Packet(shared_ptr<Device> device,
1173 const struct sr_datafeed_packet *structure) :
1174 UserOwned(structure),
1177 switch (structure->type)
1180 _payload = new Header(
1181 static_cast<const struct sr_datafeed_header *>(
1182 structure->payload));
1185 _payload = new Meta(
1186 static_cast<const struct sr_datafeed_meta *>(
1187 structure->payload));
1190 _payload = new Logic(
1191 static_cast<const struct sr_datafeed_logic *>(
1192 structure->payload));
1195 _payload = new Analog(
1196 static_cast<const struct sr_datafeed_analog *>(
1197 structure->payload));
1211 const PacketType *Packet::type()
1213 return PacketType::get(_structure->type);
1216 shared_ptr<PacketPayload> Packet::payload()
1219 return _payload->get_shared_pointer(this);
1221 throw Error(SR_ERR_NA);
1224 PacketPayload::PacketPayload()
1228 PacketPayload::~PacketPayload()
1232 Header::Header(const struct sr_datafeed_header *structure) :
1233 ParentOwned(structure),
1242 shared_ptr<PacketPayload> Header::get_shared_pointer(Packet *_parent)
1244 return static_pointer_cast<PacketPayload>(
1245 ParentOwned::get_shared_pointer(_parent));
1248 int Header::feed_version()
1250 return _structure->feed_version;
1253 Glib::TimeVal Header::start_time()
1255 return Glib::TimeVal(
1256 _structure->starttime.tv_sec,
1257 _structure->starttime.tv_usec);
1260 Meta::Meta(const struct sr_datafeed_meta *structure) :
1261 ParentOwned(structure),
1270 shared_ptr<PacketPayload> Meta::get_shared_pointer(Packet *_parent)
1272 return static_pointer_cast<PacketPayload>(
1273 ParentOwned::get_shared_pointer(_parent));
1276 map<const ConfigKey *, Glib::VariantBase> Meta::config()
1278 map<const ConfigKey *, Glib::VariantBase> result;
1279 for (auto l = _structure->config; l; l = l->next)
1281 auto config = (struct sr_config *) l->data;
1282 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data);
1287 Logic::Logic(const struct sr_datafeed_logic *structure) :
1288 ParentOwned(structure),
1297 shared_ptr<PacketPayload> Logic::get_shared_pointer(Packet *_parent)
1299 return static_pointer_cast<PacketPayload>(
1300 ParentOwned::get_shared_pointer(_parent));
1303 void *Logic::data_pointer()
1305 return _structure->data;
1308 size_t Logic::data_length()
1310 return _structure->length;
1313 unsigned int Logic::unit_size()
1315 return _structure->unitsize;
1318 Analog::Analog(const struct sr_datafeed_analog *structure) :
1319 ParentOwned(structure),
1328 shared_ptr<PacketPayload> Analog::get_shared_pointer(Packet *_parent)
1330 return static_pointer_cast<PacketPayload>(
1331 ParentOwned::get_shared_pointer(_parent));
1334 float *Analog::data_pointer()
1336 return _structure->data;
1339 unsigned int Analog::num_samples()
1341 return _structure->num_samples;
1344 vector<shared_ptr<Channel>> Analog::channels()
1346 vector<shared_ptr<Channel>> result;
1347 for (auto l = _structure->channels; l; l = l->next)
1348 result.push_back(_parent->_device->get_channel(
1349 (struct sr_channel *)l->data));
1353 const Quantity *Analog::mq()
1355 return Quantity::get(_structure->mq);
1358 const Unit *Analog::unit()
1360 return Unit::get(_structure->unit);
1363 vector<const QuantityFlag *> Analog::mq_flags()
1365 return QuantityFlag::flags_from_mask(_structure->mqflags);
1368 InputFormat::InputFormat(const struct sr_input_module *structure) :
1369 ParentOwned(structure)
1373 InputFormat::~InputFormat()
1377 string InputFormat::name()
1379 return valid_string(sr_input_id_get(_structure));
1382 string InputFormat::description()
1384 return valid_string(sr_input_description_get(_structure));
1387 vector<string> InputFormat::extensions()
1389 vector<string> exts;
1390 for (const char *const *e = sr_input_extensions_get(_structure);
1396 map<string, shared_ptr<Option>> InputFormat::options()
1398 const struct sr_option **options = sr_input_options_get(_structure);
1399 map<string, shared_ptr<Option>> result;
1402 auto option_array = shared_ptr<const struct sr_option *>(
1403 options, sr_input_options_free);
1404 for (int i = 0; options[i]; i++)
1405 result[options[i]->id] = shared_ptr<Option>(
1406 new Option(options[i], option_array), Option::Deleter());
1411 shared_ptr<Input> InputFormat::create_input(
1412 map<string, Glib::VariantBase> options)
1414 auto input = sr_input_new(_structure, map_to_hash_variant(options));
1416 throw Error(SR_ERR_ARG);
1417 return shared_ptr<Input>(
1418 new Input(_parent->shared_from_this(), input), Input::Deleter());
1421 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1422 UserOwned(structure),
1428 shared_ptr<InputDevice> Input::device()
1432 auto sdi = sr_input_dev_inst_get(_structure);
1434 throw Error(SR_ERR_NA);
1435 _device = new InputDevice(shared_from_this(), sdi);
1438 return _device->get_shared_pointer(shared_from_this());
1441 void Input::send(string data)
1443 auto gstr = g_string_new(data.c_str());
1444 auto ret = sr_input_send(_structure, gstr);
1445 g_string_free(gstr, false);
1451 check(sr_input_end(_structure));
1458 sr_input_free(_structure);
1461 InputDevice::InputDevice(shared_ptr<Input> input,
1462 struct sr_dev_inst *structure) :
1463 ParentOwned(structure),
1469 InputDevice::~InputDevice()
1473 shared_ptr<Device> InputDevice::get_shared_from_this()
1475 return static_pointer_cast<Device>(shared_from_this());
1478 Option::Option(const struct sr_option *structure,
1479 shared_ptr<const struct sr_option *> structure_array) :
1480 UserOwned(structure),
1481 _structure_array(structure_array)
1491 return valid_string(_structure->id);
1494 string Option::name()
1496 return valid_string(_structure->name);
1499 string Option::description()
1501 return valid_string(_structure->desc);
1504 Glib::VariantBase Option::default_value()
1506 return Glib::VariantBase(_structure->def, true);
1509 vector<Glib::VariantBase> Option::values()
1511 vector<Glib::VariantBase> result;
1512 for (auto l = _structure->values; l; l = l->next)
1513 result.push_back(Glib::VariantBase((GVariant *) l->data, true));
1517 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1518 ParentOwned(structure)
1522 OutputFormat::~OutputFormat()
1526 string OutputFormat::name()
1528 return valid_string(sr_output_id_get(_structure));
1531 string OutputFormat::description()
1533 return valid_string(sr_output_description_get(_structure));
1536 vector<string> OutputFormat::extensions()
1538 vector<string> exts;
1539 for (const char *const *e = sr_output_extensions_get(_structure);
1545 map<string, shared_ptr<Option>> OutputFormat::options()
1547 const struct sr_option **options = sr_output_options_get(_structure);
1548 map<string, shared_ptr<Option>> result;
1551 auto option_array = shared_ptr<const struct sr_option *>(
1552 options, sr_output_options_free);
1553 for (int i = 0; options[i]; i++)
1554 result[options[i]->id] = shared_ptr<Option>(
1555 new Option(options[i], option_array), Option::Deleter());
1560 shared_ptr<Output> OutputFormat::create_output(
1561 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1563 return shared_ptr<Output>(
1564 new Output(shared_from_this(), device, options),
1568 Output::Output(shared_ptr<OutputFormat> format,
1569 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1570 UserOwned(sr_output_new(format->_structure,
1571 map_to_hash_variant(options), device->_structure)),
1580 check(sr_output_free(_structure));
1583 string Output::receive(shared_ptr<Packet> packet)
1586 check(sr_output_send(_structure, packet->_structure, &out));
1589 auto result = string(out->str, out->str + out->len);
1590 g_string_free(out, true);
1599 #include "enums.cpp"