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 inline const char *valid_string(const char *input)
44 return (input) ? input : "";
47 /** Helper function to convert between map<string, VariantBase> and GHashTable */
48 static GHashTable *map_to_hash_variant(const map<string, Glib::VariantBase> &input)
50 auto *const output = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
51 reinterpret_cast<GDestroyNotify>(&g_variant_unref));
52 for (const auto &entry : input)
53 g_hash_table_insert(output,
54 g_strdup(entry.first.c_str()),
55 entry.second.gobj_copy());
59 Error::Error(int result) : result(result)
63 const char *Error::what() const noexcept
65 return sr_strerror(result);
68 Error::~Error() noexcept
72 ResourceReader::~ResourceReader()
76 SR_PRIV int ResourceReader::open_callback(struct sr_resource *res,
77 const char *name, void *cb_data) noexcept
80 auto *const reader = static_cast<ResourceReader*>(cb_data);
81 reader->open(res, name);
82 } catch (const Error &err) {
90 SR_PRIV int ResourceReader::close_callback(struct sr_resource *res,
91 void *cb_data) noexcept
94 auto *const reader = static_cast<ResourceReader*>(cb_data);
96 } catch (const Error &err) {
104 SR_PRIV gssize ResourceReader::read_callback(const struct sr_resource *res,
105 void *buf, size_t count, void *cb_data) noexcept
108 auto *const reader = static_cast<ResourceReader*>(cb_data);
109 return reader->read(res, buf, count);
110 } catch (const Error &err) {
117 shared_ptr<Context> Context::create()
119 return shared_ptr<Context>{new Context{}, default_delete<Context>{}};
126 check(sr_init(&_structure));
128 if (struct sr_dev_driver **driver_list = sr_driver_list(_structure))
129 for (int i = 0; driver_list[i]; i++) {
130 unique_ptr<Driver> driver {new Driver{driver_list[i]}};
131 _drivers.emplace(driver->name(), move(driver));
134 if (const struct sr_input_module **input_list = sr_input_list())
135 for (int i = 0; input_list[i]; i++) {
136 unique_ptr<InputFormat> input {new InputFormat{input_list[i]}};
137 _input_formats.emplace(input->name(), move(input));
140 if (const struct sr_output_module **output_list = sr_output_list())
141 for (int i = 0; output_list[i]; i++) {
142 unique_ptr<OutputFormat> output {new OutputFormat{output_list[i]}};
143 _output_formats.emplace(output->name(), move(output));
147 string Context::package_version()
149 return sr_package_version_string_get();
152 string Context::lib_version()
154 return sr_lib_version_string_get();
157 map<string, shared_ptr<Driver>> Context::drivers()
159 map<string, shared_ptr<Driver>> result;
160 for (const auto &entry: _drivers) {
161 const auto &name = entry.first;
162 const auto &driver = entry.second;
163 result.emplace(name, driver->share_owned_by(shared_from_this()));
168 map<string, shared_ptr<InputFormat>> Context::input_formats()
170 map<string, shared_ptr<InputFormat>> result;
171 for (const auto &entry: _input_formats) {
172 const auto &name = entry.first;
173 const auto &input_format = entry.second;
174 result.emplace(name, input_format->share_owned_by(shared_from_this()));
179 map<string, shared_ptr<OutputFormat>> Context::output_formats()
181 map<string, shared_ptr<OutputFormat>> result;
182 for (const auto &entry: _output_formats) {
183 const auto &name = entry.first;
184 const auto &output_format = entry.second;
185 result.emplace(name, output_format->share_owned_by(shared_from_this()));
192 check(sr_exit(_structure));
195 const LogLevel *Context::log_level() const
197 return LogLevel::get(sr_log_loglevel_get());
200 void Context::set_log_level(const LogLevel *level)
202 check(sr_log_loglevel_set(level->id()));
205 static int call_log_callback(void *cb_data, int loglevel,
206 const char *format, va_list args) noexcept
208 const unique_ptr<char, decltype(&g_free)>
209 message {g_strdup_vprintf(format, args), &g_free};
211 auto *const callback = static_cast<LogCallbackFunction *>(cb_data);
214 (*callback)(LogLevel::get(loglevel), message.get());
222 void Context::set_log_callback(LogCallbackFunction callback)
224 _log_callback = move(callback);
225 check(sr_log_callback_set(call_log_callback, &_log_callback));
228 void Context::set_log_callback_default()
230 check(sr_log_callback_set_default());
231 _log_callback = nullptr;
234 void Context::set_resource_reader(ResourceReader *reader)
237 check(sr_resource_set_hooks(_structure,
238 &ResourceReader::open_callback,
239 &ResourceReader::close_callback,
240 &ResourceReader::read_callback, reader));
242 check(sr_resource_set_hooks(_structure,
243 nullptr, nullptr, nullptr, nullptr));
247 shared_ptr<Session> Context::create_session()
249 return shared_ptr<Session>{new Session{shared_from_this()},
250 default_delete<Session>{}};
253 shared_ptr<UserDevice> Context::create_user_device(
254 string vendor, string model, string version)
256 return shared_ptr<UserDevice>{
257 new UserDevice{move(vendor), move(model), move(version)},
258 default_delete<UserDevice>{}};
261 shared_ptr<Packet> Context::create_header_packet(Glib::TimeVal start_time)
263 auto header = g_new(struct sr_datafeed_header, 1);
264 header->feed_version = 1;
265 header->starttime.tv_sec = start_time.tv_sec;
266 header->starttime.tv_usec = start_time.tv_usec;
267 auto packet = g_new(struct sr_datafeed_packet, 1);
268 packet->type = SR_DF_HEADER;
269 packet->payload = header;
270 return shared_ptr<Packet>{new Packet{nullptr, packet},
271 default_delete<Packet>{}};
274 shared_ptr<Packet> Context::create_meta_packet(
275 map<const ConfigKey *, Glib::VariantBase> config)
277 auto meta = g_new0(struct sr_datafeed_meta, 1);
278 for (const auto &input : config) {
279 const auto &key = input.first;
280 const auto &value = input.second;
281 auto *const output = g_new(struct sr_config, 1);
282 output->key = key->id();
283 output->data = value.gobj_copy();
284 meta->config = g_slist_append(meta->config, output);
286 auto packet = g_new(struct sr_datafeed_packet, 1);
287 packet->type = SR_DF_META;
288 packet->payload = meta;
289 return shared_ptr<Packet>{new Packet{nullptr, packet},
290 default_delete<Packet>{}};
293 shared_ptr<Packet> Context::create_logic_packet(
294 void *data_pointer, size_t data_length, unsigned int unit_size)
296 auto logic = g_new(struct sr_datafeed_logic, 1);
297 logic->length = data_length;
298 logic->unitsize = unit_size;
299 logic->data = data_pointer;
300 auto packet = g_new(struct sr_datafeed_packet, 1);
301 packet->type = SR_DF_LOGIC;
302 packet->payload = logic;
303 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
306 shared_ptr<Packet> Context::create_analog_packet(
307 vector<shared_ptr<Channel> > channels,
308 const float *data_pointer, unsigned int num_samples, const Quantity *mq,
309 const Unit *unit, vector<const QuantityFlag *> mqflags)
311 auto analog = g_new0(struct sr_datafeed_analog, 1);
312 auto meaning = g_new0(struct sr_analog_meaning, 1);
313 auto encoding = g_new0(struct sr_analog_encoding, 1);
314 auto spec = g_new0(struct sr_analog_spec, 1);
316 analog->meaning = meaning;
318 for (const auto &channel : channels)
319 meaning->channels = g_slist_append(meaning->channels, channel->_structure);
320 meaning->mq = static_cast<sr_mq>(mq->id());
321 meaning->unit = static_cast<sr_unit>(unit->id());
322 meaning->mqflags = static_cast<sr_mqflag>(QuantityFlag::mask_from_flags(move(mqflags)));
324 analog->encoding = encoding;
326 encoding->unitsize = sizeof(float);
327 encoding->is_signed = TRUE;
328 encoding->is_float = TRUE;
329 #ifdef WORDS_BIGENDIAN
330 encoding->is_bigendian = TRUE;
332 encoding->is_bigendian = FALSE;
334 encoding->digits = 0;
335 encoding->is_digits_decimal = FALSE;
336 encoding->scale.p = 1;
337 encoding->scale.q = 1;
338 encoding->offset.p = 0;
339 encoding->offset.q = 1;
343 spec->spec_digits = 0;
345 analog->num_samples = num_samples;
346 analog->data = (float*)data_pointer;
347 auto packet = g_new(struct sr_datafeed_packet, 1);
348 packet->type = SR_DF_ANALOG;
349 packet->payload = analog;
350 return shared_ptr<Packet>{new Packet{nullptr, packet}, default_delete<Packet>{}};
353 shared_ptr<Session> Context::load_session(string filename)
355 return shared_ptr<Session>{
356 new Session{shared_from_this(), move(filename)},
357 default_delete<Session>{}};
360 shared_ptr<Trigger> Context::create_trigger(string name)
362 return shared_ptr<Trigger>{
363 new Trigger{shared_from_this(), move(name)},
364 default_delete<Trigger>{}};
367 shared_ptr<Input> Context::open_file(string filename)
369 const struct sr_input *input;
371 check(sr_input_scan_file(filename.c_str(), &input));
372 return shared_ptr<Input>{
373 new Input{shared_from_this(), input},
374 default_delete<Input>{}};
377 shared_ptr<Input> Context::open_stream(string header)
379 const struct sr_input *input;
381 auto gstr = g_string_new(header.c_str());
382 auto ret = sr_input_scan_buffer(gstr, &input);
383 g_string_free(gstr, true);
385 return shared_ptr<Input>{
386 new Input{shared_from_this(), input},
387 default_delete<Input>{}};
390 map<string, string> Context::serials(shared_ptr<Driver> driver) const
392 GSList *serial_list = sr_serial_list(driver ? driver->_structure : nullptr);
393 map<string, string> serials;
395 for (GSList *serial = serial_list; serial; serial = serial->next) {
396 auto *const port = static_cast<sr_serial_port *>(serial->data);
397 serials[string(port->name)] = string(port->description);
400 g_slist_free_full(serial_list,
401 reinterpret_cast<GDestroyNotify>(&sr_serial_free));
405 Driver::Driver(struct sr_dev_driver *structure) :
406 Configurable(structure, nullptr, nullptr),
407 _structure(structure),
416 string Driver::name() const
418 return valid_string(_structure->name);
421 string Driver::long_name() const
423 return valid_string(_structure->longname);
426 set<const ConfigKey *> Driver::scan_options() const
428 GArray *opts = sr_driver_scan_options_list(_structure);
429 set<const ConfigKey *> result;
431 for (guint i = 0; i < opts->len; i++)
432 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
433 g_array_free(opts, TRUE);
438 vector<shared_ptr<HardwareDevice>> Driver::scan(
439 map<const ConfigKey *, Glib::VariantBase> options)
441 /* Initialise the driver if not yet done. */
443 check(sr_driver_init(_parent->_structure, _structure));
447 /* Translate scan options to GSList of struct sr_config pointers. */
448 GSList *option_list = nullptr;
449 for (const auto &entry : options) {
450 const auto &key = entry.first;
451 const auto &value = entry.second;
452 auto *const config = g_new(struct sr_config, 1);
453 config->key = key->id();
454 config->data = const_cast<GVariant*>(value.gobj());
455 option_list = g_slist_append(option_list, config);
459 GSList *device_list = sr_driver_scan(_structure, option_list);
461 /* Free option list. */
462 g_slist_free_full(option_list, g_free);
465 /* Create device objects. */
466 vector<shared_ptr<HardwareDevice>> result;
467 for (GSList *device = device_list; device; device = device->next) {
468 auto *const sdi = static_cast<struct sr_dev_inst *>(device->data);
469 shared_ptr<HardwareDevice> hwdev {
470 new HardwareDevice{shared_from_this(), sdi},
471 default_delete<HardwareDevice>{}};
472 result.push_back(move(hwdev));
475 /* Free GSList returned from scan. */
476 g_slist_free(device_list);
481 Configurable::Configurable(
482 struct sr_dev_driver *driver,
483 struct sr_dev_inst *sdi,
484 struct sr_channel_group *cg) :
485 config_driver(driver),
487 config_channel_group(cg)
491 Configurable::~Configurable()
495 set<const ConfigKey *> Configurable::config_keys() const
498 set<const ConfigKey *> result;
500 opts = sr_dev_options(config_driver, config_sdi, config_channel_group);
503 for (guint i = 0; i < opts->len; i++)
504 result.insert(ConfigKey::get(g_array_index(opts, uint32_t, i)));
505 g_array_free(opts, TRUE);
511 Glib::VariantBase Configurable::config_get(const ConfigKey *key) const
515 config_driver, config_sdi, config_channel_group,
517 return Glib::VariantBase(data);
520 void Configurable::config_set(const ConfigKey *key, const Glib::VariantBase &value)
523 config_sdi, config_channel_group,
524 key->id(), const_cast<GVariant*>(value.gobj())));
527 set<const Capability *> Configurable::config_capabilities(const ConfigKey *key) const
529 int caps = sr_dev_config_capabilities_list(config_sdi,
530 config_channel_group, key->id());
532 set<const Capability *> result;
534 for (auto cap: Capability::values())
535 if (caps & cap->id())
541 bool Configurable::config_check(const ConfigKey *key,
542 const Capability *capability) const
544 int caps = sr_dev_config_capabilities_list(config_sdi,
545 config_channel_group, key->id());
547 return (caps & capability->id());
550 Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key) const
553 check(sr_config_list(
554 config_driver, config_sdi, config_channel_group,
556 return Glib::VariantContainerBase(data);
559 Device::Device(struct sr_dev_inst *structure) :
560 Configurable(sr_dev_inst_driver_get(structure), structure, nullptr),
561 _structure(structure)
563 for (GSList *entry = sr_dev_inst_channels_get(structure); entry; entry = entry->next) {
564 auto *const ch = static_cast<struct sr_channel *>(entry->data);
565 unique_ptr<Channel> channel {new Channel{ch}};
566 _channels.emplace(ch, move(channel));
569 for (GSList *entry = sr_dev_inst_channel_groups_get(structure); entry; entry = entry->next) {
570 auto *const cg = static_cast<struct sr_channel_group *>(entry->data);
571 unique_ptr<ChannelGroup> group {new ChannelGroup{this, cg}};
572 _channel_groups.emplace(group->name(), move(group));
580 string Device::vendor() const
582 return valid_string(sr_dev_inst_vendor_get(_structure));
585 string Device::model() const
587 return valid_string(sr_dev_inst_model_get(_structure));
590 string Device::version() const
592 return valid_string(sr_dev_inst_version_get(_structure));
595 string Device::serial_number() const
597 return valid_string(sr_dev_inst_sernum_get(_structure));
600 string Device::connection_id() const
602 return valid_string(sr_dev_inst_connid_get(_structure));
605 vector<shared_ptr<Channel>> Device::channels()
607 vector<shared_ptr<Channel>> result;
608 for (auto channel = sr_dev_inst_channels_get(_structure); channel; channel = channel->next) {
609 auto *const ch = static_cast<struct sr_channel *>(channel->data);
610 result.push_back(_channels[ch]->share_owned_by(get_shared_from_this()));
615 shared_ptr<Channel> Device::get_channel(struct sr_channel *ptr)
617 return _channels[ptr]->share_owned_by(get_shared_from_this());
620 map<string, shared_ptr<ChannelGroup>>
621 Device::channel_groups()
623 map<string, shared_ptr<ChannelGroup>> result;
624 for (const auto &entry: _channel_groups) {
625 const auto &name = entry.first;
626 const auto &channel_group = entry.second;
627 result.emplace(name, channel_group->share_owned_by(get_shared_from_this()));
634 check(sr_dev_open(_structure));
639 check(sr_dev_close(_structure));
642 HardwareDevice::HardwareDevice(shared_ptr<Driver> driver,
643 struct sr_dev_inst *structure) :
645 _driver(move(driver))
649 HardwareDevice::~HardwareDevice()
653 shared_ptr<Device> HardwareDevice::get_shared_from_this()
655 return static_pointer_cast<Device>(shared_from_this());
658 shared_ptr<Driver> HardwareDevice::driver()
663 UserDevice::UserDevice(string vendor, string model, string version) :
664 Device(sr_dev_inst_user_new(
665 vendor.c_str(), model.c_str(), version.c_str()))
669 UserDevice::~UserDevice()
673 shared_ptr<Device> UserDevice::get_shared_from_this()
675 return static_pointer_cast<Device>(shared_from_this());
678 shared_ptr<Channel> UserDevice::add_channel(unsigned int index,
679 const ChannelType *type, string name)
681 check(sr_dev_inst_channel_add(Device::_structure,
682 index, type->id(), name.c_str()));
683 GSList *const last = g_slist_last(sr_dev_inst_channels_get(Device::_structure));
684 auto *const ch = static_cast<struct sr_channel *>(last->data);
685 unique_ptr<Channel> channel {new Channel{ch}};
686 _channels.emplace(ch, move(channel));
687 return get_channel(ch);
690 Channel::Channel(struct sr_channel *structure) :
691 _structure(structure),
692 _type(ChannelType::get(_structure->type))
700 string Channel::name() const
702 return valid_string(_structure->name);
705 void Channel::set_name(string name)
707 check(sr_dev_channel_name_set(_structure, name.c_str()));
710 const ChannelType *Channel::type() const
712 return ChannelType::get(_structure->type);
715 bool Channel::enabled() const
717 return _structure->enabled;
720 void Channel::set_enabled(bool value)
722 check(sr_dev_channel_enable(_structure, value));
725 unsigned int Channel::index() const
727 return _structure->index;
730 ChannelGroup::ChannelGroup(const Device *device,
731 struct sr_channel_group *structure) :
732 Configurable(sr_dev_inst_driver_get(device->_structure), device->_structure, structure)
734 for (GSList *entry = config_channel_group->channels; entry; entry = entry->next) {
735 auto *const ch = static_cast<struct sr_channel *>(entry->data);
736 /* Note: This relies on Device::_channels to keep the Channel
737 * objects around over the lifetime of the ChannelGroup. */
738 _channels.push_back(device->_channels.find(ch)->second.get());
742 ChannelGroup::~ChannelGroup()
746 string ChannelGroup::name() const
748 return valid_string(config_channel_group->name);
751 vector<shared_ptr<Channel>> ChannelGroup::channels()
753 vector<shared_ptr<Channel>> result;
754 for (const auto &channel : _channels)
755 result.push_back(channel->share_owned_by(_parent));
759 Trigger::Trigger(shared_ptr<Context> context, string name) :
760 _structure(sr_trigger_new(name.c_str())),
761 _context(move(context))
763 for (auto *stage = _structure->stages; stage; stage = stage->next) {
764 unique_ptr<TriggerStage> ts {new TriggerStage{
765 static_cast<struct sr_trigger_stage *>(stage->data)}};
766 _stages.push_back(move(ts));
772 sr_trigger_free(_structure);
775 string Trigger::name() const
777 return _structure->name;
780 vector<shared_ptr<TriggerStage>> Trigger::stages()
782 vector<shared_ptr<TriggerStage>> result;
783 for (const auto &stage : _stages)
784 result.push_back(stage->share_owned_by(shared_from_this()));
788 shared_ptr<TriggerStage> Trigger::add_stage()
790 unique_ptr<TriggerStage> stage {new TriggerStage{sr_trigger_stage_add(_structure)}};
791 _stages.push_back(move(stage));
792 return _stages.back()->share_owned_by(shared_from_this());
795 TriggerStage::TriggerStage(struct sr_trigger_stage *structure) :
796 _structure(structure)
800 TriggerStage::~TriggerStage()
804 int TriggerStage::number() const
806 return _structure->stage;
809 vector<shared_ptr<TriggerMatch>> TriggerStage::matches()
811 vector<shared_ptr<TriggerMatch>> result;
812 for (const auto &match : _matches)
813 result.push_back(match->share_owned_by(shared_from_this()));
817 void TriggerStage::add_match(shared_ptr<Channel> channel,
818 const TriggerMatchType *type, float value)
820 check(sr_trigger_match_add(_structure,
821 channel->_structure, type->id(), value));
822 GSList *const last = g_slist_last(_structure->matches);
823 unique_ptr<TriggerMatch> match {new TriggerMatch{
824 static_cast<struct sr_trigger_match *>(last->data),
826 _matches.push_back(move(match));
829 void TriggerStage::add_match(shared_ptr<Channel> channel,
830 const TriggerMatchType *type)
832 add_match(move(channel), type, NAN);
835 TriggerMatch::TriggerMatch(struct sr_trigger_match *structure,
836 shared_ptr<Channel> channel) :
837 _structure(structure),
838 _channel(move(channel))
842 TriggerMatch::~TriggerMatch()
846 shared_ptr<Channel> TriggerMatch::channel()
851 const TriggerMatchType *TriggerMatch::type() const
853 return TriggerMatchType::get(_structure->match);
856 float TriggerMatch::value() const
858 return _structure->value;
861 DatafeedCallbackData::DatafeedCallbackData(Session *session,
862 DatafeedCallbackFunction callback) :
863 _callback(move(callback)),
868 void DatafeedCallbackData::run(const struct sr_dev_inst *sdi,
869 const struct sr_datafeed_packet *pkt)
871 auto device = _session->get_device(sdi);
872 shared_ptr<Packet> packet {new Packet{device, pkt}, default_delete<Packet>{}};
873 _callback(move(device), move(packet));
876 SessionDevice::SessionDevice(struct sr_dev_inst *structure) :
881 SessionDevice::~SessionDevice()
885 shared_ptr<Device> SessionDevice::get_shared_from_this()
887 return static_pointer_cast<Device>(shared_from_this());
890 Session::Session(shared_ptr<Context> context) :
892 _context(move(context))
894 check(sr_session_new(_context->_structure, &_structure));
895 _context->_session = this;
898 Session::Session(shared_ptr<Context> context, string filename) :
900 _context(move(context)),
901 _filename(move(filename))
903 check(sr_session_load(_context->_structure, _filename.c_str(), &_structure));
905 check(sr_session_dev_list(_structure, &dev_list));
906 for (GSList *dev = dev_list; dev; dev = dev->next) {
907 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
908 unique_ptr<SessionDevice> device {new SessionDevice{sdi}};
909 _owned_devices.emplace(sdi, move(device));
911 _context->_session = this;
916 check(sr_session_destroy(_structure));
919 shared_ptr<Device> Session::get_device(const struct sr_dev_inst *sdi)
921 if (_owned_devices.count(sdi))
922 return static_pointer_cast<Device>(
923 _owned_devices[sdi]->share_owned_by(shared_from_this()));
924 else if (_other_devices.count(sdi))
925 return _other_devices[sdi];
927 throw Error(SR_ERR_BUG);
930 void Session::add_device(shared_ptr<Device> device)
932 const auto dev_struct = device->_structure;
933 check(sr_session_dev_add(_structure, dev_struct));
934 _other_devices[dev_struct] = move(device);
937 vector<shared_ptr<Device>> Session::devices()
940 check(sr_session_dev_list(_structure, &dev_list));
941 vector<shared_ptr<Device>> result;
942 for (GSList *dev = dev_list; dev; dev = dev->next) {
943 auto *const sdi = static_cast<struct sr_dev_inst *>(dev->data);
944 result.push_back(get_device(sdi));
949 void Session::remove_devices()
951 _other_devices.clear();
952 check(sr_session_dev_remove_all(_structure));
955 void Session::start()
957 check(sr_session_start(_structure));
962 check(sr_session_run(_structure));
967 check(sr_session_stop(_structure));
970 bool Session::is_running() const
972 const int ret = sr_session_is_running(_structure);
978 static void session_stopped_callback(void *data) noexcept
980 auto *const callback = static_cast<SessionStoppedCallback*>(data);
984 void Session::set_stopped_callback(SessionStoppedCallback callback)
986 _stopped_callback = move(callback);
987 if (_stopped_callback)
988 check(sr_session_stopped_callback_set(_structure,
989 &session_stopped_callback, &_stopped_callback));
991 check(sr_session_stopped_callback_set(_structure,
995 static void datafeed_callback(const struct sr_dev_inst *sdi,
996 const struct sr_datafeed_packet *pkt, void *cb_data) noexcept
998 auto callback = static_cast<DatafeedCallbackData *>(cb_data);
999 callback->run(sdi, pkt);
1002 void Session::add_datafeed_callback(DatafeedCallbackFunction callback)
1004 unique_ptr<DatafeedCallbackData> cb_data
1005 {new DatafeedCallbackData{this, move(callback)}};
1006 check(sr_session_datafeed_callback_add(_structure,
1007 &datafeed_callback, cb_data.get()));
1008 _datafeed_callbacks.push_back(move(cb_data));
1011 void Session::remove_datafeed_callbacks()
1013 check(sr_session_datafeed_callback_remove_all(_structure));
1014 _datafeed_callbacks.clear();
1017 shared_ptr<Trigger> Session::trigger()
1022 void Session::set_trigger(shared_ptr<Trigger> trigger)
1025 // Set NULL trigger, i.e. remove any trigger from the session.
1026 check(sr_session_trigger_set(_structure, nullptr));
1028 check(sr_session_trigger_set(_structure, trigger->_structure));
1029 _trigger = move(trigger);
1032 string Session::filename() const
1037 shared_ptr<Context> Session::context()
1042 Packet::Packet(shared_ptr<Device> device,
1043 const struct sr_datafeed_packet *structure) :
1044 _structure(structure),
1045 _device(move(device))
1047 switch (structure->type)
1050 _payload.reset(new Header{
1051 static_cast<const struct sr_datafeed_header *>(
1052 structure->payload)});
1055 _payload.reset(new Meta{
1056 static_cast<const struct sr_datafeed_meta *>(
1057 structure->payload)});
1060 _payload.reset(new Logic{
1061 static_cast<const struct sr_datafeed_logic *>(
1062 structure->payload)});
1065 _payload.reset(new Analog{
1066 static_cast<const struct sr_datafeed_analog *>(
1067 structure->payload)});
1076 const PacketType *Packet::type() const
1078 return PacketType::get(_structure->type);
1081 shared_ptr<PacketPayload> Packet::payload()
1084 return _payload->share_owned_by(shared_from_this());
1086 throw Error(SR_ERR_NA);
1089 PacketPayload::PacketPayload()
1093 PacketPayload::~PacketPayload()
1097 Header::Header(const struct sr_datafeed_header *structure) :
1099 _structure(structure)
1107 shared_ptr<PacketPayload> Header::share_owned_by(shared_ptr<Packet> _parent)
1109 return static_pointer_cast<PacketPayload>(
1110 ParentOwned::share_owned_by(_parent));
1113 int Header::feed_version() const
1115 return _structure->feed_version;
1118 Glib::TimeVal Header::start_time() const
1120 return Glib::TimeVal(
1121 _structure->starttime.tv_sec,
1122 _structure->starttime.tv_usec);
1125 Meta::Meta(const struct sr_datafeed_meta *structure) :
1127 _structure(structure)
1135 shared_ptr<PacketPayload> Meta::share_owned_by(shared_ptr<Packet> _parent)
1137 return static_pointer_cast<PacketPayload>(
1138 ParentOwned::share_owned_by(_parent));
1141 map<const ConfigKey *, Glib::VariantBase> Meta::config() const
1143 map<const ConfigKey *, Glib::VariantBase> result;
1144 for (auto l = _structure->config; l; l = l->next) {
1145 auto *const config = static_cast<struct sr_config *>(l->data);
1146 result[ConfigKey::get(config->key)] = Glib::VariantBase(config->data, true);
1151 Logic::Logic(const struct sr_datafeed_logic *structure) :
1153 _structure(structure)
1161 shared_ptr<PacketPayload> Logic::share_owned_by(shared_ptr<Packet> _parent)
1163 return static_pointer_cast<PacketPayload>(
1164 ParentOwned::share_owned_by(_parent));
1167 void *Logic::data_pointer()
1169 return _structure->data;
1172 size_t Logic::data_length() const
1174 return _structure->length;
1177 unsigned int Logic::unit_size() const
1179 return _structure->unitsize;
1182 Analog::Analog(const struct sr_datafeed_analog *structure) :
1184 _structure(structure)
1192 shared_ptr<PacketPayload> Analog::share_owned_by(shared_ptr<Packet> _parent)
1194 return static_pointer_cast<PacketPayload>(
1195 ParentOwned::share_owned_by(_parent));
1198 void *Analog::data_pointer()
1200 return _structure->data;
1203 void Analog::get_data_as_float(float *dest)
1205 check(sr_analog_to_float(_structure, dest));
1208 unsigned int Analog::num_samples() const
1210 return _structure->num_samples;
1213 vector<shared_ptr<Channel>> Analog::channels()
1215 vector<shared_ptr<Channel>> result;
1216 for (auto l = _structure->meaning->channels; l; l = l->next) {
1217 auto *const ch = static_cast<struct sr_channel *>(l->data);
1218 result.push_back(_parent->_device->get_channel(ch));
1223 unsigned int Analog::unitsize() const
1225 return _structure->encoding->unitsize;
1228 bool Analog::is_signed() const
1230 return _structure->encoding->is_signed;
1233 bool Analog::is_float() const
1235 return _structure->encoding->is_float;
1238 bool Analog::is_bigendian() const
1240 return _structure->encoding->is_bigendian;
1243 int Analog::digits() const
1245 return _structure->encoding->digits;
1248 bool Analog::is_digits_decimal() const
1250 return _structure->encoding->is_digits_decimal;
1253 shared_ptr<Rational> Analog::scale()
1255 unique_ptr<Rational> scale;
1256 scale.reset(new Rational(&(_structure->encoding->scale)));
1259 return scale->share_owned_by(shared_from_this());
1261 throw Error(SR_ERR_NA);
1264 shared_ptr<Rational> Analog::offset()
1266 unique_ptr<Rational> offset;
1267 offset.reset(new Rational(&(_structure->encoding->offset)));
1270 return offset->share_owned_by(shared_from_this());
1272 throw Error(SR_ERR_NA);
1275 const Quantity *Analog::mq() const
1277 return Quantity::get(_structure->meaning->mq);
1280 const Unit *Analog::unit() const
1282 return Unit::get(_structure->meaning->unit);
1285 vector<const QuantityFlag *> Analog::mq_flags() const
1287 return QuantityFlag::flags_from_mask(_structure->meaning->mqflags);
1290 shared_ptr<Logic> Analog::get_logic_via_threshold(float threshold,
1291 uint8_t *data_ptr) const
1293 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1294 datafeed->length = num_samples();
1295 datafeed->unitsize = 1;
1298 datafeed->data = data_ptr;
1300 datafeed->data = g_malloc(datafeed->length);
1302 shared_ptr<Logic> logic =
1303 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1305 check(sr_a2l_threshold(_structure, threshold,
1306 (uint8_t*)datafeed->data, datafeed->length));
1311 shared_ptr<Logic> Analog::get_logic_via_schmitt_trigger(float lo_thr,
1312 float hi_thr, uint8_t *state, uint8_t *data_ptr) const
1314 auto datafeed = g_new(struct sr_datafeed_logic, 1);
1315 datafeed->length = num_samples();
1316 datafeed->unitsize = 1;
1319 datafeed->data = data_ptr;
1321 datafeed->data = g_malloc(datafeed->length);
1323 shared_ptr<Logic> logic =
1324 shared_ptr<Logic>{new Logic{datafeed}, default_delete<Logic>{}};
1326 check(sr_a2l_schmitt_trigger(_structure, lo_thr, hi_thr, state,
1327 (uint8_t*)datafeed->data, datafeed->length));
1332 Rational::Rational(const struct sr_rational *structure) :
1333 _structure(structure)
1337 Rational::~Rational()
1341 shared_ptr<Rational> Rational::share_owned_by(shared_ptr<Analog> _parent)
1343 return static_pointer_cast<Rational>(
1344 ParentOwned::share_owned_by(_parent));
1347 int64_t Rational::numerator() const
1349 return _structure->p;
1352 uint64_t Rational::denominator() const
1354 return _structure->q;
1357 float Rational::value() const
1359 return (float)(_structure->p) / (float)(_structure->q);
1362 InputFormat::InputFormat(const struct sr_input_module *structure) :
1363 _structure(structure)
1367 InputFormat::~InputFormat()
1371 string InputFormat::name() const
1373 return valid_string(sr_input_id_get(_structure));
1376 string InputFormat::description() const
1378 return valid_string(sr_input_description_get(_structure));
1381 vector<string> InputFormat::extensions() const
1383 vector<string> exts;
1384 for (const char *const *e = sr_input_extensions_get(_structure);
1390 map<string, shared_ptr<Option>> InputFormat::options()
1392 map<string, shared_ptr<Option>> result;
1394 if (const struct sr_option **options = sr_input_options_get(_structure)) {
1395 shared_ptr<const struct sr_option *> option_array
1396 {options, &sr_input_options_free};
1397 for (int i = 0; options[i]; i++) {
1398 shared_ptr<Option> opt {
1399 new Option{options[i], option_array},
1400 default_delete<Option>{}};
1401 result.emplace(opt->id(), move(opt));
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>{new Input{_parent, input}, default_delete<Input>{}};
1416 Input::Input(shared_ptr<Context> context, const struct sr_input *structure) :
1417 _structure(structure),
1418 _context(move(context))
1422 shared_ptr<InputDevice> Input::device()
1425 auto sdi = sr_input_dev_inst_get(_structure);
1427 throw Error(SR_ERR_NA);
1428 _device.reset(new InputDevice{shared_from_this(), sdi});
1431 return _device->share_owned_by(shared_from_this());
1434 void Input::send(void *data, size_t length)
1436 auto gstr = g_string_new_len(static_cast<char *>(data), length);
1437 auto ret = sr_input_send(_structure, gstr);
1438 g_string_free(gstr, true);
1444 check(sr_input_end(_structure));
1449 check(sr_input_reset(_structure));
1454 sr_input_free(_structure);
1457 InputDevice::InputDevice(shared_ptr<Input> input,
1458 struct sr_dev_inst *structure) :
1464 InputDevice::~InputDevice()
1468 shared_ptr<Device> InputDevice::get_shared_from_this()
1470 return static_pointer_cast<Device>(shared_from_this());
1473 Option::Option(const struct sr_option *structure,
1474 shared_ptr<const struct sr_option *> structure_array) :
1475 _structure(structure),
1476 _structure_array(move(structure_array))
1484 string Option::id() const
1486 return valid_string(_structure->id);
1489 string Option::name() const
1491 return valid_string(_structure->name);
1494 string Option::description() const
1496 return valid_string(_structure->desc);
1499 Glib::VariantBase Option::default_value() const
1501 return Glib::VariantBase(_structure->def, true);
1504 vector<Glib::VariantBase> Option::values() const
1506 vector<Glib::VariantBase> result;
1507 for (auto l = _structure->values; l; l = l->next) {
1508 auto *const var = static_cast<GVariant *>(l->data);
1509 result.push_back(Glib::VariantBase(var, true));
1514 Glib::VariantBase Option::parse_string(string value)
1516 enum sr_datatype dt;
1517 Glib::VariantBase dflt = default_value();
1518 GVariant *tmpl = dflt.gobj();
1520 if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_UINT64)) {
1522 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_STRING)) {
1524 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_BOOLEAN)) {
1526 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_DOUBLE)) {
1528 } else if (g_variant_is_of_type(tmpl, G_VARIANT_TYPE_INT32)) {
1531 throw Error(SR_ERR_BUG);
1533 return ConfigKey::parse_string(value, dt);
1536 OutputFormat::OutputFormat(const struct sr_output_module *structure) :
1537 _structure(structure)
1541 OutputFormat::~OutputFormat()
1545 string OutputFormat::name() const
1547 return valid_string(sr_output_id_get(_structure));
1550 string OutputFormat::description() const
1552 return valid_string(sr_output_description_get(_structure));
1555 vector<string> OutputFormat::extensions() const
1557 vector<string> exts;
1558 for (const char *const *e = sr_output_extensions_get(_structure);
1564 map<string, shared_ptr<Option>> OutputFormat::options()
1566 map<string, shared_ptr<Option>> result;
1568 if (const struct sr_option **options = sr_output_options_get(_structure)) {
1569 shared_ptr<const struct sr_option *> option_array
1570 {options, &sr_output_options_free};
1571 for (int i = 0; options[i]; i++) {
1572 shared_ptr<Option> opt {
1573 new Option{options[i], option_array},
1574 default_delete<Option>{}};
1575 result.emplace(opt->id(), move(opt));
1581 shared_ptr<Output> OutputFormat::create_output(
1582 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1584 return shared_ptr<Output>{
1585 new Output{shared_from_this(), move(device), move(options)},
1586 default_delete<Output>{}};
1589 shared_ptr<Output> OutputFormat::create_output(string filename,
1590 shared_ptr<Device> device, map<string, Glib::VariantBase> options)
1592 return shared_ptr<Output>{
1593 new Output{move(filename), shared_from_this(), move(device), move(options)},
1594 default_delete<Output>{}};
1597 bool OutputFormat::test_flag(const OutputFlag *flag) const
1599 return sr_output_test_flag(_structure, flag->id());
1602 Output::Output(shared_ptr<OutputFormat> format,
1603 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1604 _structure(sr_output_new(format->_structure,
1605 map_to_hash_variant(options), device->_structure, nullptr)),
1606 _format(move(format)),
1607 _device(move(device)),
1608 _options(move(options))
1612 Output::Output(string filename, shared_ptr<OutputFormat> format,
1613 shared_ptr<Device> device, map<string, Glib::VariantBase> options) :
1614 _structure(sr_output_new(format->_structure,
1615 map_to_hash_variant(options), device->_structure, filename.c_str())),
1616 _format(move(format)),
1617 _device(move(device)),
1618 _options(move(options))
1624 check(sr_output_free(_structure));
1627 string Output::receive(shared_ptr<Packet> packet)
1630 check(sr_output_send(_structure, packet->_structure, &out));
1632 auto result = string(out->str, out->str + out->len);
1633 g_string_free(out, true);
1640 #include <enums.cpp>