SW/DSView
2
0
Fork 0
forked from Ivasoft/DSView
Code Pull Requests Activity
Files
5626a9ba81d68c083d96a7578ac18ab4e19157d3
DSView/DSView/pv/sigsession.cpp
DreamSourceLab 5626a9ba81 add session load/store funtion
2015-06-06 22:24:00 +08:00

1334 lines
38 KiB
C++
Raw Blame History

/*
* 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 <dreamsourcelab@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 <libsigrokdecode/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 "view/analogsignal.h"
#include "view/dsosignal.h"
#include "view/logicsignal.h"
#include "view/groupsignal.h"
#include "view/decodetrace.h"
#include <assert.h>
#include <stdexcept>
#include <sys/stat.h>
#include <QDebug>
#include <QMessageBox>
#include <QProgressDialog>
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QtConcurrent/QtConcurrent>
#include <boost/foreach.hpp>
//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)
{
// TODO: This should not be necessary
_session = this;
_hot_attach = false;
_hot_detach = false;
_adv_trigger = false;
_group_cnt = 0;
ds_trigger_init();
register_hotplug_callback();
_view_timer.stop();
_view_timer.setSingleShot(true);
connect(this, SIGNAL(start_timer(int)), &_view_timer, SLOT(start(int)));
connect(&_view_timer, SIGNAL(timeout()), this, SLOT(refresh()));
}
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;
}
void SigSession::set_device(boost::shared_ptr<device::DevInst> dev_inst) throw(QString)
{
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);
} catch(const QString e) {
throw(e);
return;
}
sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
device_setted();
}
}
void SigSession::set_file(const string &name) throw(QString)
{
// 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::save_file(const std::string &name){
const deque< boost::shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if (snapshots.empty())
return;
const boost::shared_ptr<pv::data::LogicSnapshot> &snapshot =
snapshots.front();
sr_session_save(name.c_str(), _dev_inst->dev_inst(),
(unsigned char*)snapshot->get_data(),
snapshot->unit_size(),
snapshot->get_sample_count());
}
QList<QString> SigSession::getSuportedExportFormats(){
const struct sr_output_module** supportedModules = sr_output_list();
QList<QString> list;
while(*supportedModules){
if(*supportedModules == NULL)
break;
if (_dev_inst->dev_inst()->mode == DSO && strcmp((*supportedModules)->id, "csv"))
break;
QString format((*supportedModules)->desc);
format.append(" (*.");
format.append((*supportedModules)->id);
format.append(")");
list.append(format);
*supportedModules++;
}
return list;
}
void SigSession::cancelSaveFile(){
saveFileThreadRunning = false;
}
void SigSession::export_file(const std::string &name, QWidget* parent, const std::string &ext){
boost::shared_ptr<pv::data::Snapshot> snapshot;
int channel_type;
if (_dev_inst->dev_inst()->mode == LOGIC) {
const deque< boost::shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if(snapshots.empty())
return;
snapshot = snapshots.front();
channel_type = SR_CHANNEL_LOGIC;
} else if (_dev_inst->dev_inst()->mode == DSO) {
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_dso_data->get_snapshots();
if(snapshots.empty())
return;
snapshot = snapshots.front();
channel_type = SR_CHANNEL_DSO;
} else {
return;
}
const struct sr_output_module** supportedModules = sr_output_list();
const struct sr_output_module* outModule = NULL;
while(*supportedModules){
if(*supportedModules == NULL)
break;
if(!strcmp((*supportedModules)->id, ext.c_str())){
outModule = *supportedModules;
break;
}
*supportedModules++;
}
if(outModule == NULL)
return;
GHashTable *params = g_hash_table_new(g_str_hash, g_str_equal);
GVariant* filenameGVariant = g_variant_new_string(name.c_str());
g_hash_table_insert(params, (char*)"filename", filenameGVariant);
GVariant* typeGVariant = g_variant_new_int16(channel_type);
g_hash_table_insert(params, (char*)"type", typeGVariant);
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals) {
boost::shared_ptr<view::DsoSignal> dsoSig;
if (dsoSig = dynamic_pointer_cast<view::DsoSignal>(s)) {
GVariant* timebaseGVariant = g_variant_new_uint64(dsoSig->get_hDialValue());
g_hash_table_insert(params, (char*)"timebase", timebaseGVariant);
break;
}
}
struct sr_output output;
output.module = (sr_output_module*) outModule;
output.sdi = _dev_inst->dev_inst();
output.param = NULL;
if(outModule->init)
outModule->init(&output, params);
QFile file(name.c_str());
file.open(QIODevice::WriteOnly | QIODevice::Text);
QTextStream out(&file);
QFuture<void> future;
if (_dev_inst->dev_inst()->mode == LOGIC) {
future = QtConcurrent::run([&]{
saveFileThreadRunning = true;
unsigned char* datat = (unsigned char*)snapshot->get_data();
unsigned int numsamples = snapshot->get_sample_count()*snapshot->unit_size();
GString *data_out;
int usize = 8192;
int size = usize;
struct sr_datafeed_logic lp;
struct sr_datafeed_packet p;
for(uint64_t i = 0; i < numsamples; i+=usize){
if(numsamples - i < usize)
size = numsamples - i;
lp.data = &datat[i];
lp.length = size;
lp.unitsize = snapshot->unit_size();
p.type = SR_DF_LOGIC;
p.payload = &lp;
outModule->receive(&output, &p, &data_out);
if(data_out){
out << (char*) data_out->str;
g_string_free(data_out,TRUE);
}
emit progressSaveFileValueChanged(i*100/numsamples);
if(!saveFileThreadRunning)
break;
}
});
} else if (_dev_inst->dev_inst()->mode == DSO) {
future = QtConcurrent::run([&]{
saveFileThreadRunning = true;
unsigned char* datat = (unsigned char*)snapshot->get_data();
unsigned int numsamples = snapshot->get_sample_count();
GString *data_out;
int usize = 8192;
int size = usize;
struct sr_datafeed_dso dp;
struct sr_datafeed_packet p;
for(uint64_t i = 0; i < numsamples; i+=usize){
if(numsamples - i < usize)
size = numsamples - i;
dp.data = &datat[i*snapshot->get_channel_num()];
dp.num_samples = size;
p.type = SR_DF_DSO;
p.payload = &dp;
outModule->receive(&output, &p, &data_out);
if(data_out){
out << (char*) data_out->str;
g_string_free(data_out,TRUE);
}
emit progressSaveFileValueChanged(i*100/numsamples);
if(!saveFileThreadRunning)
break;
}
});
}
QFutureWatcher<void> watcher;
Qt::WindowFlags flags = Qt::CustomizeWindowHint;
QProgressDialog dlg(QString::fromUtf8("Exporting data... It can take a while."),
QString::fromUtf8("Cancel"),0,100,parent,flags);
dlg.setWindowModality(Qt::WindowModal);
watcher.setFuture(future);
connect(&watcher,SIGNAL(finished()),&dlg,SLOT(cancel()));
connect(this,SIGNAL(progressSaveFileValueChanged(int)),&dlg,SLOT(setValue(int)));
connect(&dlg,SIGNAL(canceled()),this,SLOT(cancelSaveFile()));
dlg.exec();
future.waitForFinished();
// optional, as QFile destructor will already do it:
file.close();
outModule->cleanup(&output);
g_hash_table_destroy(params);
g_variant_unref(filenameGVariant);
}
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() &&
strcmp(dev->dev_inst()->driver->name,
"demo") != 0) {
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(_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;
}
void SigSession::start_capture(bool instant,
boost::function<void (const QString)> error_handler)
{
stop_capture();
// Check that a device instance has been selected.
if (!_dev_inst) {
qDebug() << "No device selected";
return;
}
assert(_dev_inst->dev_inst());
// 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."));
capture_state_changed(_capture_state);
return;
}
// update setting
_instant = instant;
if (~_instant)
_view_timer.blockSignals(false);
// Begin the session
_sampling_thread.reset(new boost::thread(
&SigSession::sample_thread_proc, this, _dev_inst,
error_handler));
}
void SigSession::stop_capture()
{
if (get_capture_state() != Running)
return;
sr_session_stop();
_view_timer.blockSignals(true);
// Check that sampling stopped
if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
}
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::get_buf(int& unit_size, uint64_t &length)
{
if (_dev_inst->dev_inst()->mode == LOGIC) {
const deque< boost::shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if (snapshots.empty())
return NULL;
const boost::shared_ptr<pv::data::LogicSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
} else if (_dev_inst->dev_inst()->mode == DSO) {
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_dso_data->get_snapshots();
if (snapshots.empty())
return NULL;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
} else {
const deque< boost::shared_ptr<pv::data::AnalogSnapshot> > &snapshots =
_analog_data->get_snapshots();
if (snapshots.empty())
return NULL;
const boost::shared_ptr<pv::data::AnalogSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
}
}
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);
if (_instant) {
/* disable trigger under instant mode */
ds_trigger_set_en(false);
} else if (!_adv_trigger) {
/* simple trigger check trigger_enable */
ds_trigger_set_en(false);
BOOST_FOREACH(const boost::shared_ptr<view::Signal> s, _signals)
{
assert(s);
if (s->get_trig() != 0) {
ds_trigger_set_en(true);
s->set_trig(s->get_trig());
}
}
} else {
/* advanced trigger check trigger_enable */
ds_trigger_set_en(true);
}
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);
assert(!_cur_dso_snapshot);
assert(!_cur_analog_snapshot);
}
void SigSession::read_sample_rate(const sr_dev_inst *const sdi)
{
GVariant *gvar;
uint64_t sample_rate = 0;
// Read out the sample rate
if(sdi->driver)
{
const int ret = sr_config_get(sdi->driver, sdi, NULL, NULL, SR_CONF_SAMPLERATE, &gvar);
if (ret != SR_OK) {
qDebug("Failed to get samplerate\n");
return;
}
sample_rate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
}
// Set the sample rate of all data
const set< boost::shared_ptr<data::SignalData> > data_set = get_data();
BOOST_FOREACH(boost::shared_ptr<data::SignalData> data, data_set) {
assert(data);
data->set_samplerate(sample_rate);
}
}
void SigSession::feed_in_header(const sr_dev_inst *sdi)
{
read_sample_rate(sdi);
//receive_data(0);
}
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());
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++;
if (_capture_state == Stopped) {
if (!_cur_group_snapshot)
{
// Create a new data snapshot
_cur_group_snapshot = boost::shared_ptr<data::GroupSnapshot>(
new data::GroupSnapshot(_logic_data->get_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++;
}
_group_data->get_snapshots().at((*i)->get_sec_index()).reset();
std::deque< boost::shared_ptr<data::GroupSnapshot> >::iterator k = _group_data->get_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;
#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;
}
}
}
// Create data containers for the coming data snapshots
{
if (logic_probe_count != 0) {
_logic_data.reset(new data::Logic());
assert(_logic_data);
_group_data.reset(new data::Group());
assert(_group_data);
_group_cnt = 0;
}
if (dso_probe_count != 0) {
_dso_data.reset(new data::Dso());
assert(_dso_data);
}
if (analog_probe_count != 0) {
_analog_data.reset(new data::Analog());
assert(_analog_data);
}
}
// Make the logic probe list
{
for (const GSList *l = _dev_inst->dev_inst()->channels; l; l = l->next) {
const sr_channel *const probe =
(const 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;
signals_changed();
data_updated();
}
}
void SigSession::reload()
{
assert(_dev_inst);
if (_capture_state == Running)
stop_capture();
vector< boost::shared_ptr<view::Signal> > sigs;
boost::shared_ptr<view::Signal> signal;
// Make the logic probe list
{
for (const GSList *l = _dev_inst->dev_inst()->channels; l; l = l->next) {
const sr_channel *const probe =
(const sr_channel *)l->data;
assert(probe);
signal.reset();
switch(probe->type) {
case SR_CHANNEL_LOGIC:
if (probe->enabled && probe->index < _signals.size())
signal = boost::shared_ptr<view::Signal>(
new view::LogicSignal(*_signals[probe->index].get(), _logic_data, probe));
else 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;
}
signals_changed();
}
void SigSession::refresh()
{
if (_logic_data) {
_logic_data->clear();
_cur_logic_snapshot.reset();
}
if (_dso_data) {
_dso_data->clear();
_cur_dso_snapshot.reset();
}
if (_analog_data) {
_analog_data->clear();
_cur_analog_snapshot.reset();
}
data_updated();
}
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)
{
if (_dev_inst->dev_inst()->mode != DSO) {
receive_trigger(trigger_pos.real_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++;
}
}
receive_trigger(trigger_pos.real_pos * probe_count / probe_en_count);
}
}
void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
if (!_logic_data)
{
qDebug() << "Unexpected logic packet";
return;
}
if (logic.data_error == 1) {
test_data_error();
}
if (!_cur_logic_snapshot)
{
// Create a new data snapshot
_cur_logic_snapshot = boost::shared_ptr<data::LogicSnapshot>(
new data::LogicSnapshot(logic, _dev_inst->get_sample_limit(), 1));
if (_cur_logic_snapshot->buf_null())
{
malloc_error();
return;
} else {
_logic_data->push_snapshot(_cur_logic_snapshot);
}
// @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 if(!_cur_logic_snapshot->buf_null()) {
// Append to the existing data snapshot
_cur_logic_snapshot->append_payload(logic);
} else {
return;
}
emit receive_data(logic.length/logic.unitsize);
data_received();
//data_updated();
}
void SigSession::feed_in_dso(const sr_datafeed_dso &dso)
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
if(!_dso_data)
{
qDebug() << "Unexpected dso packet";
return; // This dso packet was not expected.
}
if (!_cur_dso_snapshot)
{
// Create a new data snapshot
_cur_dso_snapshot = boost::shared_ptr<data::DsoSnapshot>(
new data::DsoSnapshot(dso, _dev_inst->get_sample_limit(), get_ch_num(SR_CHANNEL_DSO), _instant));
if (_cur_dso_snapshot->buf_null())
{
malloc_error();
return;
} else {
_dso_data->push_snapshot(_cur_dso_snapshot);
}
} else if(!_cur_dso_snapshot->buf_null()) {
// Append to the existing data snapshot
_cur_dso_snapshot->append_payload(dso);
} else {
return;
}
receive_data(dso.num_samples);
data_updated();
if (!_instant)
start_timer(ViewTime);
}
void SigSession::feed_in_analog(const sr_datafeed_analog &analog)
{
boost::lock_guard<boost::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 = boost::shared_ptr<data::AnalogSnapshot>(
new data::AnalogSnapshot(analog, _dev_inst->get_sample_limit(), get_ch_num(SR_CHANNEL_ANALOG)));
if (_cur_analog_snapshot->buf_null())
{
return;
} else if(!_cur_analog_snapshot->buf_null()) {
_analog_data->push_snapshot(_cur_analog_snapshot);
}
} else if(!_cur_analog_snapshot->buf_null()) {
// Append to the existing data snapshot
_cur_analog_snapshot->append_payload(analog);
} else {
return;
}
receive_data(analog.num_samples);
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);
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_END:
{
{
boost::lock_guard<boost::mutex> lock(_data_mutex);
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_logic_snapshot.reset();
_cur_dso_snapshot.reset();
_cur_analog_snapshot.reset();
}
#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
frame_ended();
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 Attaced!\n");
}else if (LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT == event) {
_session->_hot_detach = true;
qDebug("DreamSourceLab Hardware Dettaced!\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();
_logic_data.reset();
_dso_data.reset();
_analog_data.reset();
_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();
}
/*
* Tigger
*/
void SigSession::set_adv_trigger(bool adv_trigger)
{
_adv_trigger = adv_trigger;
}
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 ret = false;
map<const srd_channel*, boost::shared_ptr<view::LogicSignal> > 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));
// 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()));
if (d->create_popup()) {
_decode_traces.push_back(d);
ret = true;
}
}
catch(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;
}
}
#endif
} // namespace pv
View Git Blame Copy Permalink