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DSView/DSView/pv/sigsession.cpp

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/*
* This file is part of the DSView project.
* DSView is based on PulseView.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2013 DreamSourceLab <support@dreamsourcelab.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef ENABLE_DECODE
#include <libsigrokdecode4DSL/libsigrokdecode.h>
#endif
#include "sigsession.h"
#include "mainwindow.h"
#include "devicemanager.h"
#include "device/device.h"
#include "device/file.h"
#include "data/analog.h"
#include "data/analogsnapshot.h"
#include "data/dso.h"
#include "data/dsosnapshot.h"
#include "data/logic.h"
#include "data/logicsnapshot.h"
#include "data/group.h"
#include "data/groupsnapshot.h"
#include "data/decoderstack.h"
#include "data/decode/decoder.h"
#include "data/decodermodel.h"
#include "data/spectrumstack.h"
#include "data/mathstack.h"
#include "view/analogsignal.h"
#include "view/dsosignal.h"
#include "view/logicsignal.h"
#include "view/groupsignal.h"
#include "view/decodetrace.h"
#include "view/spectrumtrace.h"
#include "view/lissajoustrace.h"
#include "view/mathtrace.h"
#include <assert.h>
#include <stdexcept>
#include <sys/stat.h>
#include <QDebug>
#include <QProgressDialog>
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QFuture>
#include <QtConcurrent/QtConcurrent>
#include <boost/foreach.hpp>
#include "data/decode/decoderstatus.h"
//using boost::dynamic_pointer_cast;
//using boost::function;
//using boost::lock_guard;
//using boost::mutex;
//using boost::shared_ptr;
//using std::list;
//using std::map;
//using std::set;
//using std::string;
//using std::vector;
//using std::deque;
//using std::min;
using namespace boost;
using namespace std;
namespace pv {
// TODO: This should not be necessary
SigSession* SigSession::_session = NULL;
SigSession::SigSession(DeviceManager &device_manager) :
_device_manager(device_manager),
_capture_state(Init),
_instant(false),
_error(No_err),
_run_mode(Single),
_repeat_intvl(1),
_repeating(false),
_repeat_hold_prg(0),
_map_zoom(0)
{
// TODO: This should not be necessary
_session = this;
_hot_attach = false;
_hot_detach = false;
_group_cnt = 0;
register_hotplug_callback();
_feed_timer.stop();
_noData_cnt = 0;
_data_lock = false;
_data_updated = false;
#ifdef ENABLE_DECODE
_decoder_model = new pv::data::DecoderModel(this);
#endif
_lissajous_trace = NULL;
_math_trace = NULL;
_saving = false;
_dso_feed = false;
_stop_scale = 1;
// Create snapshots & data containers
_cur_logic_snapshot.reset(new data::LogicSnapshot());
_logic_data.reset(new data::Logic());
_logic_data->push_snapshot(_cur_logic_snapshot);
_cur_dso_snapshot.reset(new data::DsoSnapshot());
_dso_data.reset(new data::Dso());
_dso_data->push_snapshot(_cur_dso_snapshot);
_cur_analog_snapshot.reset(new data::AnalogSnapshot());
_analog_data.reset(new data::Analog());
_analog_data->push_snapshot(_cur_analog_snapshot);
_group_data.reset(new data::Group());
_group_cnt = 0;
connect(&_feed_timer, SIGNAL(timeout()), this, SLOT(feed_timeout()));
}
SigSession::~SigSession()
{
stop_capture();
ds_trigger_destroy();
_dev_inst->release();
// TODO: This should not be necessary
_session = NULL;
if (_hotplug_handle) {
stop_hotplug_proc();
deregister_hotplug_callback();
}
}
boost::shared_ptr<device::DevInst> SigSession::get_device() const
{
return _dev_inst;
}
/*
when be called, it will call 4DSL lib sr_session_new, and create a session struct in the lib
*/
void SigSession::set_device(boost::shared_ptr<device::DevInst> dev_inst)
{
using pv::device::Device;
// Ensure we are not capturing before setting the device
//stop_capture();
if (_dev_inst) {
sr_session_datafeed_callback_remove_all();
_dev_inst->release();
}
_dev_inst = dev_inst;
#ifdef ENABLE_DECODE
_decode_traces.clear();
#endif
_group_traces.clear();
if (_dev_inst) {
try {
_dev_inst->use(this);
_cur_snap_samplerate = _dev_inst->get_sample_rate();
_cur_samplelimits = _dev_inst->get_sample_limit();
if (_dev_inst->dev_inst()->mode == DSO)
set_run_mode(Repetitive);
else
set_run_mode(Single);
} catch(const QString e) {
throw(e);
return;
}
sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
device_setted();
}
}
void SigSession::set_file(QString name)
{
// Deslect the old device, because file type detection in File::create
// destorys the old session inside libsigrok.
try {
set_device(boost::shared_ptr<device::DevInst>());
} catch(const QString e) {
throw(e);
return;
}
try {
set_device(boost::shared_ptr<device::DevInst>(device::File::create(name)));
} catch(const QString e) {
throw(e);
return;
}
}
void SigSession::close_file(boost::shared_ptr<pv::device::DevInst> dev_inst)
{
assert(dev_inst);
try {
dev_inst->device_updated();
set_repeating(false);
stop_capture();
capture_state_changed(SigSession::Stopped);
_device_manager.del_device(dev_inst);
} catch(const QString e) {
throw(e);
return;
}
}
void SigSession::set_default_device(boost::function<void (const QString)> error_handler)
{
boost::shared_ptr<pv::device::DevInst> default_device;
const list<boost::shared_ptr<device::DevInst> > &devices =
_device_manager.devices();
if (!devices.empty()) {
// Fall back to the first device in the list.
default_device = devices.front();
// Try and find the DreamSourceLab device and select that by default
BOOST_FOREACH (boost::shared_ptr<pv::device::DevInst> dev, devices)
if (dev->dev_inst() &&
!dev->name().contains("virtual")) {
default_device = dev;
break;
}
try {
set_device(default_device);
} catch(const QString e) {
error_handler(e);
return;
}
}
}
void SigSession::release_device(device::DevInst *dev_inst)
{
(void)dev_inst;
assert(_dev_inst.get() == dev_inst);
assert(get_capture_state() != Running);
_dev_inst = boost::shared_ptr<device::DevInst>();
//_dev_inst.reset();
}
SigSession::capture_state SigSession::get_capture_state() const
{
boost::lock_guard<boost::mutex> lock(_sampling_mutex);
return _capture_state;
}
uint64_t SigSession::cur_samplelimits() const
{
return _cur_samplelimits;
}
uint64_t SigSession::cur_samplerate() const
{
// samplerate for current viewport
if (_dev_inst->dev_inst()->mode == DSO)
return _dev_inst->get_sample_rate();
else
return cur_snap_samplerate();
}
uint64_t SigSession::cur_snap_samplerate() const
{
// samplerate for current snapshot
return _cur_snap_samplerate;
}
double SigSession::cur_sampletime() const
{
return cur_samplelimits() * 1.0 / cur_samplerate();
}
double SigSession::cur_snap_sampletime() const
{
return cur_samplelimits() * 1.0 / cur_snap_samplerate();
}
double SigSession::cur_view_time() const
{
return _dev_inst->get_time_base() * DS_CONF_DSO_HDIVS * 1.0 / SR_SEC(1);
}
void SigSession::set_cur_snap_samplerate(uint64_t samplerate)
{
assert(samplerate != 0);
_cur_snap_samplerate = samplerate;
// sample rate for all SignalData
// Logic/Analog/Dso
if (_logic_data)
_logic_data->set_samplerate(_cur_snap_samplerate);
if (_analog_data)
_analog_data->set_samplerate(_cur_snap_samplerate);
if (_dso_data)
_dso_data->set_samplerate(_cur_snap_samplerate);
// Group
if (_group_data)
_group_data->set_samplerate(_cur_snap_samplerate);
#ifdef ENABLE_DECODE
// DecoderStack
BOOST_FOREACH(const boost::shared_ptr<view::DecodeTrace> d, _decode_traces)
d->decoder()->set_samplerate(_cur_snap_samplerate);
#endif
// Math
if (_math_trace && _math_trace->enabled())
_math_trace->get_math_stack()->set_samplerate(_dev_inst->get_sample_rate());
// SpectrumStack
BOOST_FOREACH(const boost::shared_ptr<view::SpectrumTrace> m, _spectrum_traces)
m->get_spectrum_stack()->set_samplerate(_cur_snap_samplerate);
cur_snap_samplerate_changed();
}
void SigSession::set_cur_samplelimits(uint64_t samplelimits)
{
assert(samplelimits != 0);
_cur_samplelimits = samplelimits;
}
void SigSession::capture_init()
{
if (!_instant)
set_repeating(get_run_mode() == Repetitive);
// update instant setting
_dev_inst->set_config(NULL, NULL, SR_CONF_INSTANT, g_variant_new_boolean(_instant));
update_capture();
set_cur_snap_samplerate(_dev_inst->get_sample_rate());
set_cur_samplelimits(_dev_inst->get_sample_limit());
set_stop_scale(1);
_data_updated = false;
_trigger_flag = false;
_trigger_ch = 0;
_hw_replied = false;
if (_dev_inst->dev_inst()->mode != LOGIC)
_feed_timer.start(FeedInterval);
else
_feed_timer.stop();
_noData_cnt = 0;
data_unlock();
// container init
container_init();
// update current hw offset
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s))) {
dsoSig->set_zero_ratio(dsoSig->get_zero_ratio());
}
boost::shared_ptr<view::AnalogSignal> analogSig;
if ((analogSig = dynamic_pointer_cast<view::AnalogSignal>(s))) {
analogSig->set_zero_ratio(analogSig->get_zero_ratio());
}
}
}
void SigSession::container_init()
{
// Logic
if (_logic_data)
_logic_data->init();
// Group
if (_group_data)
_group_data->init();
// Dso
if (_analog_data)
_analog_data->init();
// Analog
if (_dso_data)
_dso_data->init();
// SpectrumStack
BOOST_FOREACH(const boost::shared_ptr<view::SpectrumTrace> m, _spectrum_traces)
{
assert(m);
m->get_spectrum_stack()->init();
}
if (_math_trace)
_math_trace->get_math_stack()->init();
#ifdef ENABLE_DECODE
// DecoderModel
//pv::data::DecoderModel *decoder_model = get_decoder_model();
//decoder_model->setDecoderStack(NULL);
// DecoderStack
BOOST_FOREACH(const boost::shared_ptr<view::DecodeTrace> d, _decode_traces)
{
assert(d);
d->decoder()->init();
}
#endif
}
void SigSession::start_capture(bool instant,
boost::function<void (const QString)> error_handler)
{
// Check that a device instance has been selected.
if (!_dev_inst) {
qDebug() << "No device selected";
capture_state_changed(SigSession::Stopped);
return;
}
assert(_dev_inst->dev_inst());
if (!_dev_inst->is_usable()) {
_error = Hw_err;
session_error();
capture_state_changed(SigSession::Stopped);
return;
}
// stop previous capture
stop_capture();
// reset measure of dso signal
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s)))
dsoSig->set_mValid(false);
}
// update setting
if (_dev_inst->name() != "virtual-session")
_instant = instant;
else
_instant = true;
capture_init();
// Check that at least one probe is enabled
const GSList *l;
for (l = _dev_inst->dev_inst()->channels; l; l = l->next) {
sr_channel *const probe = (sr_channel*)l->data;
assert(probe);
if (probe->enabled)
break;
}
if (!l) {
error_handler(tr("No probes enabled."));
data_updated();
set_repeating(false);
capture_state_changed(SigSession::Stopped);
return;
}
// Begin the session
_sampling_thread.reset(new boost::thread(
&SigSession::sample_thread_proc, this, _dev_inst,
error_handler));
}
void SigSession::stop_capture()
{
data_unlock();
#ifdef ENABLE_DECODE
for (vector< boost::shared_ptr<view::DecodeTrace> >::iterator i =
_decode_traces.begin();
i != _decode_traces.end();
i++)
(*i)->decoder()->stop_decode();
#endif
if (get_capture_state() != Running)
return;
sr_session_stop();
// Check that sampling stopped
if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
}
bool SigSession::get_capture_status(bool &triggered, int &progress)
{
uint64_t sample_limits = cur_samplelimits();
sr_status status;
if (sr_status_get(_dev_inst->dev_inst(), &status, true) == SR_OK){
triggered = status.trig_hit & 0x01;
uint64_t captured_cnt = status.trig_hit >> 2;
captured_cnt = ((uint64_t)status.captured_cnt0 +
((uint64_t)status.captured_cnt1 << 8) +
((uint64_t)status.captured_cnt2 << 16) +
((uint64_t)status.captured_cnt3 << 24) +
(captured_cnt << 32));
if (_dev_inst->dev_inst()->mode == DSO)
captured_cnt = captured_cnt * _signals.size() / get_ch_num(SR_CHANNEL_DSO);
if (triggered)
progress = (sample_limits - captured_cnt) * 100.0 / sample_limits;
else
progress = captured_cnt * 100.0 / sample_limits;
return true;
}
return false;
}
vector< boost::shared_ptr<view::Signal> > SigSession::get_signals()
{
//boost::lock_guard<boost::mutex> lock(_signals_mutex);
return _signals;
}
vector< boost::shared_ptr<view::GroupSignal> > SigSession::get_group_signals()
{
//boost::lock_guard<boost::mutex> lock(_signals_mutex);
return _group_traces;
}
set< boost::shared_ptr<data::SignalData> > SigSession::get_data() const
{
//lock_guard<mutex> lock(_signals_mutex);
set< boost::shared_ptr<data::SignalData> > data;
BOOST_FOREACH(const boost::shared_ptr<view::Signal> sig, _signals) {
assert(sig);
data.insert(sig->data());
}
return data;
}
bool SigSession::get_instant()
{
return _instant;
}
void SigSession::set_capture_state(capture_state state)
{
boost::lock_guard<boost::mutex> lock(_sampling_mutex);
_capture_state = state;
data_updated();
capture_state_changed(state);
}
void SigSession::sample_thread_proc(boost::shared_ptr<device::DevInst> dev_inst,
boost::function<void (const QString)> error_handler)
{
assert(dev_inst);
assert(dev_inst->dev_inst());
assert(error_handler);
try {
dev_inst->start();
} catch(const QString e) {
error_handler(e);
return;
}
receive_data(0);
set_capture_state(Running);
dev_inst->run();
set_capture_state(Stopped);
// Confirm that SR_DF_END was received
assert(_cur_logic_snapshot->last_ended());
assert(_cur_dso_snapshot->last_ended());
assert(_cur_analog_snapshot->last_ended());
}
void SigSession::check_update()
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
if (_capture_state != Running)
return;
if (_data_updated) {
data_updated();
_data_updated = false;
_noData_cnt = 0;
data_auto_unlock();
} else {
if (++_noData_cnt >= (WaitShowTime/FeedInterval))
nodata_timeout();
}
}
void SigSession::add_group()
{
std::list<int> probe_index_list;
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if ((*i)->get_type() == SR_CHANNEL_LOGIC && (*i)->selected())
probe_index_list.push_back((*i)->get_index());
i++;
}
if (probe_index_list.size() > 1) {
//_group_data.reset(new data::Group(_last_sample_rate));
// if (_group_data->get_snapshots().empty())
// _group_data->set_samplerate(_dev_inst->get_sample_rate());
_group_data->init();
_group_data->set_samplerate(_cur_snap_samplerate);
const boost::shared_ptr<view::GroupSignal> signal(
new view::GroupSignal("New Group",
_group_data, probe_index_list, _group_cnt));
_group_traces.push_back(signal);
_group_cnt++;
const deque< boost::shared_ptr<data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if (!snapshots.empty()) {
//if (!_cur_group_snapshot)
//{
// Create a new data snapshot
_cur_group_snapshot = boost::shared_ptr<data::GroupSnapshot>(
new data::GroupSnapshot(snapshots.front(), signal->get_index_list()));
//_cur_group_snapshot->append_payload();
_group_data->push_snapshot(_cur_group_snapshot);
_cur_group_snapshot.reset();
//}
}
signals_changed();
data_updated();
}
}
void SigSession::del_group()
{
std::vector< boost::shared_ptr<view::GroupSignal> >::iterator i = _group_traces.begin();
while (i != _group_traces.end()) {
if ((*i)->selected()) {
std::vector< boost::shared_ptr<view::GroupSignal> >::iterator j = _group_traces.begin();
while(j != _group_traces.end()) {
if ((*j)->get_sec_index() > (*i)->get_sec_index())
(*j)->set_sec_index((*j)->get_sec_index() - 1);
j++;
}
std::deque< boost::shared_ptr<data::GroupSnapshot> > &snapshots = _group_data->get_snapshots();
if (!snapshots.empty()) {
_group_data->get_snapshots().at((*i)->get_sec_index()).reset();
std::deque< boost::shared_ptr<data::GroupSnapshot> >::iterator k = snapshots.begin();
k += (*i)->get_sec_index();
_group_data->get_snapshots().erase(k);
}
(*i).reset();
i = _group_traces.erase(i);
_group_cnt--;
continue;
}
i++;
}
signals_changed();
data_updated();
}
void SigSession::init_signals()
{
assert(_dev_inst);
stop_capture();
vector< boost::shared_ptr<view::Signal> > sigs;
boost::shared_ptr<view::Signal> signal;
unsigned int logic_probe_count = 0;
unsigned int dso_probe_count = 0;
unsigned int analog_probe_count = 0;
if (_logic_data)
_logic_data->clear();
if (_dso_data)
_dso_data->clear();
if (_analog_data)
_analog_data->clear();
if (_group_data)
_group_data->clear();
#ifdef ENABLE_DECODE
// Clear the decode traces
_decode_traces.clear();
#endif
// Detect what data types we will receive
if(_dev_inst) {
assert(_dev_inst->dev_inst());
for (const GSList *l = _dev_inst->dev_inst()->channels;
l; l = l->next) {
const sr_channel *const probe = (const sr_channel *)l->data;
switch(probe->type) {
case SR_CHANNEL_LOGIC:
if(probe->enabled)
logic_probe_count++;
break;
case SR_CHANNEL_DSO:
dso_probe_count++;
break;
case SR_CHANNEL_ANALOG:
if(probe->enabled)
analog_probe_count++;
break;
}
}
}
// Make the logic probe list
{
_group_traces.clear();
vector< boost::shared_ptr<view::GroupSignal> >().swap(_group_traces);
for (GSList *l = _dev_inst->dev_inst()->channels; l; l = l->next) {
sr_channel *probe =
( sr_channel *)l->data;
assert(probe);
signal.reset();
switch(probe->type) {
case SR_CHANNEL_LOGIC:
if (probe->enabled)
signal = boost::shared_ptr<view::Signal>(
new view::LogicSignal(_dev_inst, _logic_data, probe));
break;
case SR_CHANNEL_DSO:
signal = boost::shared_ptr<view::Signal>(
new view::DsoSignal(_dev_inst, _dso_data, probe));
break;
case SR_CHANNEL_ANALOG:
if (probe->enabled)
signal = boost::shared_ptr<view::Signal>(
new view::AnalogSignal(_dev_inst, _analog_data, probe));
break;
}
if(signal.get())
sigs.push_back(signal);
}
_signals.clear();
vector< boost::shared_ptr<view::Signal> >().swap(_signals);
_signals = sigs;
}
spectrum_rebuild();
lissajous_disable();
math_disable();
//data_updated();
}
void SigSession::reload()
{
assert(_dev_inst);
if (_capture_state == Running)
stop_capture();
//refresh(0);
vector< boost::shared_ptr<view::Signal> > sigs;
boost::shared_ptr<view::Signal> signal;
// Make the logic probe list
{
for (GSList *l = _dev_inst->dev_inst()->channels; l; l = l->next) {
sr_channel *probe =
(sr_channel *)l->data;
assert(probe);
signal.reset();
switch(probe->type) {
case SR_CHANNEL_LOGIC:
if (probe->enabled) {
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if ((*i)->get_index() == probe->index) {
boost::shared_ptr<view::LogicSignal> logicSig;
if ((logicSig = dynamic_pointer_cast<view::LogicSignal>(*i)))
signal = boost::shared_ptr<view::Signal>(
new view::LogicSignal(logicSig, _logic_data, probe));
break;
}
i++;
}
if (!signal.get())
signal = boost::shared_ptr<view::Signal>(
new view::LogicSignal(_dev_inst, _logic_data, probe));
}
break;
// case SR_CHANNEL_DSO:
// signal = boost::shared_ptr<view::Signal>(
// new view::DsoSignal(_dev_inst,_dso_data, probe));
// break;
case SR_CHANNEL_ANALOG:
if (probe->enabled) {
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if ((*i)->get_index() == probe->index) {
boost::shared_ptr<view::AnalogSignal> analogSig;
if ((analogSig = dynamic_pointer_cast<view::AnalogSignal>(*i)))
signal = boost::shared_ptr<view::Signal>(
new view::AnalogSignal(analogSig, _analog_data, probe));
break;
}
i++;
}
if (!signal.get())
signal = boost::shared_ptr<view::Signal>(
new view::AnalogSignal(_dev_inst, _analog_data, probe));
}
break;
}
if (signal.get())
sigs.push_back(signal);
}
if (!sigs.empty()) {
_signals.clear();
vector< boost::shared_ptr<view::Signal> >().swap(_signals);
_signals = sigs;
}
}
spectrum_rebuild();
}
void SigSession::refresh(int holdtime)
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
data_lock();
if (_logic_data) {
_logic_data->init();
//_cur_logic_snapshot.reset();
#ifdef ENABLE_DECODE
BOOST_FOREACH(const boost::shared_ptr<view::DecodeTrace> d, _decode_traces)
{
assert(d);
d->decoder()->init();
}
#endif
}
if (_dso_data) {
_dso_data->init();
// SpectrumStack
BOOST_FOREACH(const boost::shared_ptr<view::SpectrumTrace> m, _spectrum_traces)
{
assert(m);
m->get_spectrum_stack()->init();
}
if (_math_trace)
_math_trace->get_math_stack()->init();
}
if (_analog_data) {
_analog_data->init();
//_cur_analog_snapshot.reset();
}
QTimer::singleShot(holdtime, this, SLOT(feed_timeout()));
//data_updated();
_data_updated = true;
}
void SigSession::data_lock()
{
_data_lock = true;
}
void SigSession::data_unlock()
{
_data_lock = false;
}
bool SigSession::get_data_lock()
{
return _data_lock;
}
void SigSession::data_auto_lock(int lock) {
_data_auto_lock = lock;
}
void SigSession::data_auto_unlock() {
if (_data_auto_lock > 0)
_data_auto_lock--;
else if (_data_auto_lock < 0)
_data_auto_lock = 0;
}
bool SigSession::get_data_auto_lock() {
return _data_auto_lock != 0;
}
void SigSession::feed_in_header(const sr_dev_inst *sdi)
{
(void)sdi;
_trigger_pos = 0;
receive_header();
}
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;
}
}
}
void SigSession::feed_in_trigger(const ds_trigger_pos &trigger_pos)
{
_hw_replied = true;
if (_dev_inst->dev_inst()->mode != DSO) {
_trigger_flag = (trigger_pos.status & 0x01);
if (_trigger_flag) {
_trigger_pos = trigger_pos.real_pos;
receive_trigger(_trigger_pos);
}
} else {
int probe_count = 0;
int probe_en_count = 0;
for (const GSList *l = _dev_inst->dev_inst()->channels;
l; l = l->next) {
const sr_channel *const probe = (const sr_channel *)l->data;
if (probe->type == SR_CHANNEL_DSO) {
probe_count++;
if (probe->enabled)
probe_en_count++;
}
}
_trigger_pos = trigger_pos.real_pos * probe_count / probe_en_count;
receive_trigger(_trigger_pos);
}
}
void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
{
//boost::lock_guard<boost::mutex> lock(_data_mutex);
if (!_logic_data || _cur_logic_snapshot->memory_failed()) {
qDebug() << "Unexpected logic packet";
return;
}
if (logic.data_error == 1) {
_error = Test_data_err;
_error_pattern = logic.error_pattern;
session_error();
}
if (_cur_logic_snapshot->last_ended()) {
_cur_logic_snapshot->first_payload(logic, _dev_inst->get_sample_limit(), _dev_inst->dev_inst()->channels);
// @todo Putting this here means that only listeners querying
// for logic will be notified. Currently the only user of
// frame_began is DecoderStack, but in future we need to signal
// this after both analog and logic sweeps have begun.
frame_began();
} else {
// Append to the existing data snapshot
_cur_logic_snapshot->append_payload(logic);
}
if (_cur_logic_snapshot->memory_failed()) {
_error = Malloc_err;
session_error();
return;
}
emit receive_data(logic.length * 8 / get_ch_num(SR_CHANNEL_LOGIC));
data_received();
//data_updated();
_data_updated = true;
}
void SigSession::feed_in_dso(const sr_datafeed_dso &dso)
{
//boost::lock_guard<boost::mutex> lock(_data_mutex);
if(!_dso_data || _cur_dso_snapshot->memory_failed())
{
qDebug() << "Unexpected dso packet";
return; // This dso packet was not expected.
}
if (_cur_dso_snapshot->last_ended())
{
std::map<int, bool> sig_enable;
// reset scale of dso signal
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s))) {
dsoSig->set_scale(dsoSig->get_view_rect().height());
sig_enable[dsoSig->get_index()] = dsoSig->enabled();
}
}
// first payload
_cur_dso_snapshot->first_payload(dso, _dev_inst->get_sample_limit(), sig_enable, _instant);
} else {
// Append to the existing data snapshot
_cur_dso_snapshot->append_payload(dso);
}
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals) {
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s)) && (dsoSig->enabled()))
dsoSig->paint_prepare();
}
if (dso.num_samples != 0) {
// update current sample rate
set_cur_snap_samplerate(_dev_inst->get_sample_rate());
// // reset measure of dso signal
// BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
// {
// assert(s);
// boost::shared_ptr<view::DsoSignal> dsoSig;
// if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s)))
// dsoSig->set_mValid(false);
// }
}
if (_cur_dso_snapshot->memory_failed()) {
_error = Malloc_err;
session_error();
return;
}
// calculate related spectrum results
BOOST_FOREACH(const boost::shared_ptr<view::SpectrumTrace> m, _spectrum_traces)
{
assert(m);
if (m->enabled())
m->get_spectrum_stack()->calc_fft();
}
// calculate related math results
if (_math_trace && _math_trace->enabled()) {
_math_trace->get_math_stack()->realloc(_dev_inst->get_sample_limit());
_math_trace->get_math_stack()->calc_math();
}
_trigger_flag = dso.trig_flag;
_trigger_ch = dso.trig_ch;
receive_data(dso.num_samples);
if (!_instant)
data_lock();
_data_updated = true;
}
void SigSession::feed_in_analog(const sr_datafeed_analog &analog)
{
//boost::lock_guard<boost::mutex> lock(_data_mutex);
if(!_analog_data || _cur_analog_snapshot->memory_failed())
{
qDebug() << "Unexpected analog packet";
return; // This analog packet was not expected.
}
if (_cur_analog_snapshot->last_ended())
{
// reset scale of analog signal
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
boost::shared_ptr<view::AnalogSignal> analogSig;
if ((analogSig = dynamic_pointer_cast<view::AnalogSignal>(s))) {
analogSig->set_scale(analogSig->get_totalHeight());
}
}
// first payload
_cur_analog_snapshot->first_payload(analog, _dev_inst->get_sample_limit(), _dev_inst->dev_inst()->channels);
} else {
// Append to the existing data snapshot
_cur_analog_snapshot->append_payload(analog);
}
if (_cur_analog_snapshot->memory_failed()) {
_error = Malloc_err;
session_error();
return;
}
receive_data(analog.num_samples);
//data_updated();
_data_updated = true;
}
void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet)
{
assert(sdi);
assert(packet);
boost::lock_guard<boost::mutex> lock(_data_mutex);
if (_data_lock && packet->type != SR_DF_END)
return;
if (packet->type != SR_DF_END &&
packet->status != SR_PKT_OK) {
_error = Pkt_data_err;
session_error();
return;
}
switch (packet->type) {
case SR_DF_HEADER:
feed_in_header(sdi);
break;
case SR_DF_META:
assert(packet->payload);
feed_in_meta(sdi,
*(const sr_datafeed_meta*)packet->payload);
break;
case SR_DF_TRIGGER:
assert(packet->payload);
feed_in_trigger(*(const ds_trigger_pos*)packet->payload);
break;
case SR_DF_LOGIC:
assert(packet->payload);
feed_in_logic(*(const sr_datafeed_logic*)packet->payload);
break;
case SR_DF_DSO:
assert(packet->payload);
feed_in_dso(*(const sr_datafeed_dso*)packet->payload);
break;
case SR_DF_ANALOG:
assert(packet->payload);
feed_in_analog(*(const sr_datafeed_analog*)packet->payload);
break;
case SR_DF_OVERFLOW:
{
if (_error == No_err) {
_error = Data_overflow;
session_error();
}
break;
}
case SR_DF_END:
{
{
//boost::lock_guard<boost::mutex> lock(_data_mutex);
if (!_cur_logic_snapshot->empty()) {
BOOST_FOREACH(const boost::shared_ptr<view::GroupSignal> g, _group_traces)
{
assert(g);
_cur_group_snapshot = boost::shared_ptr<data::GroupSnapshot>(
new data::GroupSnapshot(_logic_data->get_snapshots().front(), g->get_index_list()));
_group_data->push_snapshot(_cur_group_snapshot);
_cur_group_snapshot.reset();
}
}
_cur_logic_snapshot->capture_ended();
_cur_dso_snapshot->capture_ended();
_cur_analog_snapshot->capture_ended();
#ifdef ENABLE_DECODE
BOOST_FOREACH(const boost::shared_ptr<view::DecodeTrace> d, _decode_traces)
d->frame_ended();
#endif
}
if (packet->status != SR_PKT_OK) {
_error = Pkt_data_err;
session_error();
}
frame_ended();
if (get_device()->dev_inst()->mode != LOGIC)
set_session_time(QDateTime::currentDateTime());
break;
}
}
}
void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet, void *cb_data)
{
(void) cb_data;
assert(_session);
_session->data_feed_in(sdi, packet);
}
/*
* hotplug function
*/
int SigSession::hotplug_callback(struct libusb_context *ctx, struct libusb_device *dev,
libusb_hotplug_event event, void *user_data) {
(void)ctx;
(void)dev;
(void)user_data;
if (LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED == event) {
_session->_hot_attach = true;
qDebug("DreamSourceLab Hardware Attached!\n");
}else if (LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT == event) {
_session->_hot_detach = true;
qDebug("DreamSourceLab Hardware Detached!\n");
}else{
qDebug("Unhandled event %d\n", event);
}
return 0;
}
void SigSession::hotplug_proc(boost::function<void (const QString)> error_handler)
{
struct timeval tv;
(void)error_handler;
if (!_dev_inst)
return;
tv.tv_sec = tv.tv_usec = 0;
try {
while(_session) {
libusb_handle_events_timeout(NULL, &tv);
if (_hot_attach) {
qDebug("DreamSourceLab hardware attached!");
device_attach();
_hot_attach = false;
}
if (_hot_detach) {
qDebug("DreamSourceLab hardware detached!");
device_detach();
_hot_detach = false;
}
boost::this_thread::sleep(boost::posix_time::millisec(100));
}
} catch(...) {
qDebug("Interrupt exception for hotplug thread was thrown.");
}
qDebug("Hotplug thread exit!");
}
void SigSession::register_hotplug_callback()
{
int ret;
ret = libusb_hotplug_register_callback(NULL, (libusb_hotplug_event)(LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED |
LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT),
(libusb_hotplug_flag)LIBUSB_HOTPLUG_ENUMERATE, 0x2A0E, LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY, hotplug_callback, NULL,
&_hotplug_handle);
if (LIBUSB_SUCCESS != ret){
qDebug() << "Error creating a hotplug callback\n";
}
}
void SigSession::deregister_hotplug_callback()
{
libusb_hotplug_deregister_callback(NULL, _hotplug_handle);
}
void SigSession::start_hotplug_proc(boost::function<void (const QString)> error_handler)
{
// Begin the session
qDebug() << "Starting a hotplug thread...\n";
_hot_attach = false;
_hot_detach = false;
_hotplug.reset(new boost::thread(
&SigSession::hotplug_proc, this, error_handler));
}
void SigSession::stop_hotplug_proc()
{
if (_hotplug.get()) {
_hotplug->interrupt();
_hotplug->join();
}
_hotplug.reset();
}
uint16_t SigSession::get_ch_num(int type)
{
uint16_t num_channels = 0;
uint16_t logic_ch_num = 0;
uint16_t dso_ch_num = 0;
uint16_t analog_ch_num = 0;
if (_dev_inst->dev_inst()) {
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
if (dynamic_pointer_cast<view::LogicSignal>(s) && s->enabled()) {
//if (dynamic_pointer_cast<view::LogicSignal>(s)) {
logic_ch_num++;
}
if (dynamic_pointer_cast<view::DsoSignal>(s) && s->enabled()) {
//if (dynamic_pointer_cast<view::DsoSignal>(s)) {
dso_ch_num++;
}
if (dynamic_pointer_cast<view::AnalogSignal>(s) && s->enabled()) {
//if (dynamic_pointer_cast<view::AnalogSignal>(s)) {
analog_ch_num++;
}
}
}
switch(type) {
case SR_CHANNEL_LOGIC:
num_channels = logic_ch_num; break;
case SR_CHANNEL_DSO:
num_channels = dso_ch_num; break;
case SR_CHANNEL_ANALOG:
num_channels = analog_ch_num; break;
default:
num_channels = logic_ch_num+dso_ch_num+analog_ch_num; break;
}
return num_channels;
}
#ifdef ENABLE_DECODE
bool SigSession::add_decoder(srd_decoder *const dec, bool silent, DecoderStatus *dstatus)
{
bool ret = false;
map<const srd_channel*, int> probes;
boost::shared_ptr<data::DecoderStack> decoder_stack;
try {
//lock_guard<mutex> lock(_signals_mutex);
// Create the decoder
decoder_stack = boost::shared_ptr<data::DecoderStack>(
new data::DecoderStack(*this, dec, dstatus));
// Make a list of all the probes
std::vector<const srd_channel*> all_probes;
for(const GSList *i = dec->channels; i; i = i->next)
all_probes.push_back((const srd_channel*)i->data);
for(const GSList *i = dec->opt_channels; i; i = i->next)
all_probes.push_back((const srd_channel*)i->data);
assert(decoder_stack);
assert(!decoder_stack->stack().empty());
assert(decoder_stack->stack().front());
decoder_stack->stack().front()->set_probes(probes);
// Create the decode signal
boost::shared_ptr<view::DecodeTrace> d(
new view::DecodeTrace(*this, decoder_stack,
_decode_traces.size()));
// set view early for decode start/end region setting
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals) {
if (s->get_view()) {
d->set_view(s->get_view());
break;
}
}
if (silent) {
_decode_traces.push_back(d);
ret = true;
} else if (d->create_popup()) {
_decode_traces.push_back(d);
ret = true;
}
} catch(const std::runtime_error &e) {
return false;
}
if (ret) {
signals_changed();
// Do an initial decode
decoder_stack->begin_decode();
data_updated();
}
return ret;
}
vector< boost::shared_ptr<view::DecodeTrace> > SigSession::get_decode_signals() const
{
//lock_guard<mutex> lock(_signals_mutex);
return _decode_traces;
}
void SigSession::remove_decode_signal(view::DecodeTrace *signal)
{
for (vector< boost::shared_ptr<view::DecodeTrace> >::iterator i =
_decode_traces.begin();
i != _decode_traces.end();
i++)
if ((*i).get() == signal)
{
_decode_traces.erase(i);
signals_changed();
return;
}
}
void SigSession::remove_decode_signal(int index)
{
int cur_index = 0;
for (vector< boost::shared_ptr<view::DecodeTrace> >::iterator i =
_decode_traces.begin();
i != _decode_traces.end();
i++)
{
if (cur_index == index)
{
_decode_traces.erase(i);
signals_changed();
return;
}
cur_index++;
}
}
void SigSession::rst_decoder(int index)
{
int cur_index = 0;
for (vector< boost::shared_ptr<view::DecodeTrace> >::iterator i =
_decode_traces.begin();
i != _decode_traces.end();
i++)
{
if (cur_index == index)
{
if ((*i)->create_popup())
{
(*i)->decoder()->stop_decode();
(*i)->decoder()->begin_decode();
data_updated();
}
return;
}
cur_index++;
}
}
void SigSession::rst_decoder(view::DecodeTrace *signal)
{
for (vector< boost::shared_ptr<view::DecodeTrace> >::iterator i =
_decode_traces.begin();
i != _decode_traces.end();
i++)
if ((*i).get() == signal)
{
if ((*i)->create_popup())
{
(*i)->decoder()->stop_decode();
(*i)->decoder()->begin_decode();
data_updated();
}
return;
}
}
pv::data::DecoderModel* SigSession::get_decoder_model() const
{
return _decoder_model;
}
#endif
void SigSession::spectrum_rebuild()
{
bool has_dso_signal = false;
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals) {
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s))) {
has_dso_signal = true;
// check already have
std::vector< boost::shared_ptr<view::SpectrumTrace> >::iterator iter = _spectrum_traces.begin();
for(unsigned int i = 0; i < _spectrum_traces.size(); i++, iter++)
if ((*iter)->get_index() == dsoSig->get_index())
break;
// if not, rebuild
if (iter == _spectrum_traces.end()) {
boost::shared_ptr<data::SpectrumStack> spectrum_stack(
new data::SpectrumStack(*this, dsoSig->get_index()));
boost::shared_ptr<view::SpectrumTrace> spectrum_trace(
new view::SpectrumTrace(*this, spectrum_stack, dsoSig->get_index()));
_spectrum_traces.push_back(spectrum_trace);
}
}
}
if (!has_dso_signal)
_spectrum_traces.clear();
signals_changed();
}
vector< boost::shared_ptr<view::SpectrumTrace> > SigSession::get_spectrum_traces()
{
//lock_guard<mutex> lock(_signals_mutex);
return _spectrum_traces;
}
void SigSession::lissajous_rebuild(bool enable, int xindex, int yindex, double percent)
{
_lissajous_trace.reset(new view::LissajousTrace(enable, _dso_data, xindex, yindex, percent));
signals_changed();
}
void SigSession::lissajous_disable()
{
if (_lissajous_trace)
_lissajous_trace->set_enable(false);
}
boost::shared_ptr<view::LissajousTrace> SigSession::get_lissajous_trace()
{
//lock_guard<mutex> lock(_signals_mutex);
return _lissajous_trace;
}
void SigSession::math_rebuild(bool enable,
boost::shared_ptr<view::DsoSignal> dsoSig1,
boost::shared_ptr<view::DsoSignal> dsoSig2,
data::MathStack::MathType type)
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
boost::shared_ptr<data::MathStack> math_stack(
new data::MathStack(*this, dsoSig1, dsoSig2, type));
_math_trace.reset(new view::MathTrace(enable, math_stack, dsoSig1, dsoSig2));
if (_math_trace && _math_trace->enabled()) {
_math_trace->get_math_stack()->set_samplerate(_dev_inst->get_sample_rate());
_math_trace->get_math_stack()->realloc(_dev_inst->get_sample_limit());
_math_trace->get_math_stack()->calc_math();
}
signals_changed();
}
void SigSession::math_disable()
{
if (_math_trace)
_math_trace->set_enable(false);
}
boost::shared_ptr<view::MathTrace> SigSession::get_math_trace()
{
//lock_guard<mutex> lock(_signals_mutex);
return _math_trace;
}
void SigSession::set_session_time(QDateTime time)
{
_session_time = time;
}
QDateTime SigSession::get_session_time() const
{
return _session_time;
}
uint64_t SigSession::get_trigger_pos() const
{
return _trigger_pos;
}
bool SigSession::trigd() const
{
return _trigger_flag;
}
uint8_t SigSession::trigd_ch() const
{
return _trigger_ch;
}
void SigSession::nodata_timeout()
{
GVariant *gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_TRIGGER_SOURCE);
if (gvar == NULL)
return;
if (g_variant_get_byte(gvar) != DSO_TRIGGER_AUTO) {
show_wait_trigger();
}
}
void SigSession::feed_timeout()
{
data_unlock();
if (!_data_updated) {
if (++_noData_cnt >= (WaitShowTime/FeedInterval))
nodata_timeout();
}
}
boost::shared_ptr<data::Snapshot> SigSession::get_snapshot(int type)
{
if (type == SR_CHANNEL_LOGIC)
return _cur_logic_snapshot;
else if (type == SR_CHANNEL_ANALOG)
return _cur_analog_snapshot;
else if (type == SR_CHANNEL_DSO)
return _cur_dso_snapshot;
else
return NULL;
}
SigSession::error_state SigSession::get_error() const
{
return _error;
}
void SigSession::set_error(error_state state)
{
_error = state;
}
void SigSession::clear_error()
{
_error_pattern = 0;
_error = No_err;
}
uint64_t SigSession::get_error_pattern() const
{
return _error_pattern;
}
SigSession::run_mode SigSession::get_run_mode() const
{
return _run_mode;
}
void SigSession::set_run_mode(run_mode mode)
{
_run_mode = mode;
}
int SigSession::get_repeat_intvl() const
{
return _repeat_intvl;
}
void SigSession::set_repeat_intvl(int interval)
{
_repeat_intvl = interval;
}
void SigSession::set_repeating(bool repeat)
{
_repeating = repeat;
if (!_repeating)
_repeat_hold_prg = 0;
}
bool SigSession::isRepeating() const
{
return _repeating;
}
bool SigSession::repeat_check()
{
if (get_capture_state() != Stopped ||
get_run_mode() != Repetitive ||
!isRepeating()) {
return false;
}
if (_dev_inst->dev_inst()->mode == LOGIC) {
_repeat_hold_prg = 100;
repeat_hold(_repeat_hold_prg);
QTimer::singleShot(_repeat_intvl*1000/RepeatHoldDiv, this, SLOT(repeat_update()));
return true;
} else {
return false;
}
}
void SigSession::repeat_update()
{
if (isRepeating()) {
_repeat_hold_prg -= 100/RepeatHoldDiv;
if (_repeat_hold_prg != 0)
QTimer::singleShot(_repeat_intvl*1000/RepeatHoldDiv, this, SLOT(repeat_update()));
repeat_hold(_repeat_hold_prg);
if (_repeat_hold_prg == 0)
repeat_resume();
}
}
int SigSession::get_repeat_hold() const
{
if (isRepeating())
return _repeat_hold_prg;
else
return 0;
}
void SigSession::set_map_zoom(int index)
{
_map_zoom = index;
}
int SigSession::get_map_zoom() const
{
return _map_zoom;
}
void SigSession::auto_end()
{
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals) {
boost::shared_ptr<view::DsoSignal> dsoSig;
if ((dsoSig = dynamic_pointer_cast<view::DsoSignal>(s))) {
dsoSig->auto_end();
}
}
}
void SigSession::set_save_start(uint64_t start)
{
_save_start = start;
}
void SigSession::set_save_end(uint64_t end)
{
_save_end = end;
}
uint64_t SigSession::get_save_start() const
{
return _save_start;
}
uint64_t SigSession::get_save_end() const
{
return _save_end;
}
bool SigSession::get_saving() const
{
return _saving;
}
void SigSession::set_saving(bool saving)
{
_saving = saving;
}
void SigSession::exit_capture()
{
set_repeating(false);
bool wait_upload = false;
if (get_run_mode() != SigSession::Repetitive) {
GVariant *gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_WAIT_UPLOAD);
if (gvar != NULL) {
wait_upload = g_variant_get_boolean(gvar);
g_variant_unref(gvar);
}
}
if (!wait_upload) {
stop_capture();
capture_state_changed(SigSession::Stopped);
}
}
float SigSession::stop_scale() const
{
return _stop_scale;
}
void SigSession::set_stop_scale(float scale)
{
_stop_scale = scale;
}
} // namespace pv
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