#include "sigsession.h"
-#include "logicdata.h"
-#include "logicdatasnapshot.h"
+#include "data/analog.h"
+#include "data/analogsnapshot.h"
+#include "data/logic.h"
+#include "data/logicsnapshot.h"
+#include "view/analogsignal.h"
#include "view/logicsignal.h"
-#include <QDebug>
-
#include <assert.h>
+#include <QDebug>
+
using namespace boost;
using namespace std;
{
stop_capture();
- if(_sampling_thread.get())
+ if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
_session = NULL;
}
-void SigSession::load_file(const std::string &name)
+void SigSession::load_file(const string &name,
+ function<void (const QString)> error_handler)
{
- if (sr_session_load(name.c_str()) == SR_OK) {
- /* sigrok session file */
- sr_session_datafeed_callback_add(data_feed_in_proc);
- sr_session_start();
- sr_session_run();
- sr_session_stop();
- }
+ stop_capture();
+ _sampling_thread.reset(new boost::thread(
+ &SigSession::load_thread_proc, this, name,
+ error_handler));
}
SigSession::capture_state SigSession::get_capture_state() const
{
- lock_guard<mutex> lock(_state_mutex);
+ lock_guard<mutex> lock(_sampling_mutex);
return _capture_state;
}
void SigSession::start_capture(struct sr_dev_inst *sdi,
- uint64_t record_length, uint64_t sample_rate)
+ uint64_t record_length,
+ function<void (const QString)> error_handler)
{
stop_capture();
+ // Check that at least one probe is enabled
+ const GSList *l;
+ for (l = sdi->probes; l; l = l->next) {
+ sr_probe *const probe = (sr_probe*)l->data;
+ assert(probe);
+ if (probe->enabled)
+ break;
+ }
+
+ if (!l) {
+ error_handler(tr("No probes enabled."));
+ return;
+ }
+ // Begin the session
_sampling_thread.reset(new boost::thread(
&SigSession::sample_thread_proc, this, sdi,
- record_length, sample_rate));
+ record_length, error_handler));
}
void SigSession::stop_capture()
{
- if(get_capture_state() == Stopped)
+ if (get_capture_state() == Stopped)
return;
sr_session_stop();
// Check that sampling stopped
- if(_sampling_thread.get())
+ if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
-
- _capture_state = Stopped;
}
vector< shared_ptr<view::Signal> > SigSession::get_signals()
return _signals;
}
-boost::shared_ptr<LogicData> SigSession::get_data()
+boost::shared_ptr<data::Logic> SigSession::get_data()
{
return _logic_data;
}
-void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
- uint64_t record_length, uint64_t sample_rate)
+void SigSession::set_capture_state(capture_state state)
{
- sr_session_new();
+ lock_guard<mutex> lock(_sampling_mutex);
+ _capture_state = state;
+ capture_state_changed(state);
+}
+
+void SigSession::load_thread_proc(const string name,
+ function<void (const QString)> error_handler)
+{
+ if (sr_session_load(name.c_str()) != SR_OK) {
+ error_handler(tr("Failed to load file."));
+ return;
+ }
+
sr_session_datafeed_callback_add(data_feed_in_proc);
- if (sr_session_dev_add(sdi) != SR_OK) {
- qDebug() << "Failed to use device.";
- sr_session_destroy();
+ if (sr_session_start() != SR_OK) {
+ error_handler(tr("Failed to start session."));
return;
}
- if (sr_dev_config_set(sdi, SR_HWCAP_LIMIT_SAMPLES,
- &record_length) != SR_OK) {
- qDebug() << "Failed to configure time-based sample limit.";
+ set_capture_state(Running);
+
+ sr_session_run();
+ sr_session_stop();
+
+ set_capture_state(Stopped);
+}
+
+void SigSession::sample_thread_proc(struct sr_dev_inst *sdi,
+ uint64_t record_length,
+ function<void (const QString)> error_handler)
+{
+ assert(sdi);
+ assert(error_handler);
+
+ sr_session_new();
+ sr_session_datafeed_callback_add(data_feed_in_proc);
+
+ if (sr_session_dev_add(sdi) != SR_OK) {
+ error_handler(tr("Failed to use device."));
sr_session_destroy();
return;
}
- if (sr_dev_config_set(sdi, SR_HWCAP_SAMPLERATE,
- &sample_rate) != SR_OK) {
- qDebug() << "Failed to configure samplerate.";
+ // Set the sample limit
+ if (sr_config_set(sdi, SR_CONF_LIMIT_SAMPLES,
+ g_variant_new_uint64(record_length)) != SR_OK) {
+ error_handler(tr("Failed to configure "
+ "time-based sample limit."));
sr_session_destroy();
return;
}
if (sr_session_start() != SR_OK) {
- qDebug() << "Failed to start session.";
+ error_handler(tr("Failed to start session."));
return;
}
- {
- lock_guard<mutex> lock(_state_mutex);
- _capture_state = Running;
- }
+ set_capture_state(Running);
sr_session_run();
sr_session_destroy();
+
+ set_capture_state(Stopped);
}
-void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
- struct sr_datafeed_packet *packet)
+void SigSession::feed_in_header(const sr_dev_inst *sdi)
{
- using view::LogicSignal;
-
- assert(sdi);
- assert(packet);
+ shared_ptr<view::Signal> signal;
+ GVariant *gvar;
+ uint64_t sample_rate = 0;
+ unsigned int logic_probe_count = 0;
+ unsigned int analog_probe_count = 0;
+
+ // Detect what data types we will receive
+ for (const GSList *l = sdi->probes; l; l = l->next) {
+ const sr_probe *const probe = (const sr_probe *)l->data;
+ if (!probe->enabled)
+ continue;
+
+ switch(probe->type) {
+ case SR_PROBE_LOGIC:
+ logic_probe_count++;
+ break;
- switch (packet->type) {
- case SR_DF_HEADER:
- {
- lock_guard<mutex> lock(_signals_mutex);
- _signals.clear();
- break;
+ case SR_PROBE_ANALOG:
+ analog_probe_count++;
+ break;
+ }
}
- case SR_DF_META_LOGIC:
- {
- assert(packet->payload);
- const sr_datafeed_meta_logic &meta_logic =
- *(sr_datafeed_meta_logic*)packet->payload;
+ // Read out the sample rate
+ assert(sdi->driver);
+
+ const int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
+ &gvar, sdi);
+ assert(ret == SR_OK);
+ sample_rate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
+ // Create data containers for the coming data snapshots
{
- lock_guard<mutex> lock(_data_mutex);
+ lock_guard<mutex> data_lock(_data_mutex);
- // Create an empty LogiData for coming data snapshots
- _logic_data.reset(new LogicData(meta_logic));
- assert(_logic_data);
- if(!_logic_data)
- break;
+ if (logic_probe_count != 0) {
+ _logic_data.reset(new data::Logic(
+ logic_probe_count, sample_rate));
+ assert(_logic_data);
+ }
+
+ if (analog_probe_count != 0) {
+ _analog_data.reset(new data::Analog(sample_rate));
+ assert(_analog_data);
+ }
}
+ // Make the logic probe list
{
lock_guard<mutex> lock(_signals_mutex);
- // Add the signals
- for (int i = 0; i < meta_logic.num_probes; i++)
- {
+ _signals.clear();
+
+ for (const GSList *l = sdi->probes; l; l = l->next) {
const sr_probe *const probe =
- (const sr_probe*)g_slist_nth_data(
- sdi->probes, i);
- if(probe->enabled)
- {
- shared_ptr<LogicSignal> signal(
- new LogicSignal(probe->name,
- _logic_data,
- probe->index));
- _signals.push_back(signal);
+ (const sr_probe *)l->data;
+ assert(probe);
+ if (!probe->enabled)
+ continue;
+
+ switch(probe->type) {
+ case SR_PROBE_LOGIC:
+ signal = shared_ptr<view::Signal>(
+ new view::LogicSignal(probe->name,
+ _logic_data, probe->index));
+ break;
+
+ case SR_PROBE_ANALOG:
+ signal = shared_ptr<view::Signal>(
+ new view::AnalogSignal(probe->name,
+ _analog_data, probe->index));
+ break;
}
+
+ _signals.push_back(signal);
}
signals_changed();
- break;
}
+}
+
+void SigSession::feed_in_meta(const sr_dev_inst *sdi,
+ const sr_datafeed_meta &meta)
+{
+ (void)sdi;
+
+ for (const GSList *l = meta.config; l; l = l->next) {
+ const sr_config *const src = (const sr_config*)l->data;
+ switch (src->key) {
+ case SR_CONF_SAMPLERATE:
+ /// @todo handle samplerate changes
+ /// samplerate = (uint64_t *)src->value;
+ break;
+ default:
+ // Unknown metadata is not an error.
+ break;
+ }
}
+}
- case SR_DF_LOGIC:
+void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
+{
+ lock_guard<mutex> lock(_data_mutex);
+
+ if (!_logic_data)
+ {
+ qDebug() << "Unexpected logic packet";
+ return;
+ }
+
+ if (!_cur_logic_snapshot)
+ {
+ // Create a new data snapshot
+ _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>(
+ new data::LogicSnapshot(logic));
+ _logic_data->push_snapshot(_cur_logic_snapshot);
+ }
+ else
{
- lock_guard<mutex> lock(_data_mutex);
+ // Append to the existing data snapshot
+ _cur_logic_snapshot->append_payload(logic);
+ }
+
+ data_updated();
+}
+
+void SigSession::feed_in_analog(const sr_datafeed_analog &analog)
+{
+ lock_guard<mutex> lock(_data_mutex);
+
+ if(!_analog_data)
+ {
+ qDebug() << "Unexpected analog packet";
+ return; // This analog packet was not expected.
+ }
+
+ if (!_cur_analog_snapshot)
+ {
+ // Create a new data snapshot
+ _cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>(
+ new data::AnalogSnapshot(analog));
+ _analog_data->push_snapshot(_cur_analog_snapshot);
+ }
+ else
+ {
+ // Append to the existing data snapshot
+ _cur_analog_snapshot->append_payload(analog);
+ }
+
+ data_updated();
+}
+
+void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
+ const struct sr_datafeed_packet *packet)
+{
+ assert(sdi);
+ assert(packet);
+
+ switch (packet->type) {
+ case SR_DF_HEADER:
+ feed_in_header(sdi);
+ break;
+
+ case SR_DF_META:
assert(packet->payload);
- if(!_cur_logic_snapshot)
- {
- // Create a new data snapshot
- _cur_logic_snapshot = shared_ptr<LogicDataSnapshot>(
- new LogicDataSnapshot(
- *(sr_datafeed_logic*)packet->payload));
- _logic_data->push_snapshot(_cur_logic_snapshot);
- }
- else
- {
- // Append to the existing data snapshot
- _cur_logic_snapshot->append_payload(
- *(sr_datafeed_logic*)packet->payload);
- }
+ feed_in_meta(sdi,
+ *(const sr_datafeed_meta*)packet->payload);
+ break;
- data_updated();
+ case SR_DF_LOGIC:
+ assert(packet->payload);
+ feed_in_logic(*(const sr_datafeed_logic*)packet->payload);
+ break;
+
+ case SR_DF_ANALOG:
+ assert(packet->payload);
+ feed_in_analog(*(const sr_datafeed_analog*)packet->payload);
break;
- }
case SR_DF_END:
{
{
lock_guard<mutex> lock(_data_mutex);
_cur_logic_snapshot.reset();
+ _cur_analog_snapshot.reset();
}
data_updated();
break;
}
void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi,
- struct sr_datafeed_packet *packet)
+ const struct sr_datafeed_packet *packet)
{
assert(_session);
_session->data_feed_in(sdi, packet);
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