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DSView/DSLogic-gui/pv/sigsession.cpp
DreamSourceLab 264a094168 Add DSLogic hardware support
2014-04-14 17:46:11 +08:00

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/*
* This file is part of the DSLogic-gui project.
* DSLogic-gui 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
*/
#include "sigsession.h"
#include "devicemanager.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 "view/analogsignal.h"
#include "view/dsosignal.h"
#include "view/logicsignal.h"
#include "view/groupsignal.h"
#include "view/protocolsignal.h"
#include "decoder/decoder.h"
#include "decoder/decoderfactory.h"
#include <assert.h>
#include <QDebug>
#include <QMessageBox>
#include <boost/foreach.hpp>
using namespace boost;
using namespace std;
namespace pv {
const float SigSession::Oversampling = 2.0f;
// TODO: This should not be necessary
SigSession* SigSession::_session = NULL;
SigSession::SigSession(DeviceManager &device_manager) :
_device_manager(device_manager),
_sdi(NULL),
_capture_state(Init),
_last_sample_rate(1),
_total_sample_len(1)
{
// TODO: This should not be necessary
_session = this;
_hot_attach = false;
_hot_detach = false;
_adv_trigger = false;
_group_cnt = 0;
_protocol_cnt = 0;
_decoderFactory = new decoder::DecoderFactory();
ds_trigger_init();
register_hotplug_callback();
}
SigSession::~SigSession()
{
stop_capture();
if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
if (_hotplug_handle) {
stop_hotplug_proc();
deregister_hotplug_callback();
}
ds_trigger_destroy();
// TODO: This should not be necessary
_session = NULL;
}
quint64 SigSession::get_last_sample_rate() const
{
return _last_sample_rate;
}
quint64 SigSession::get_total_sample_len() const
{
return _total_sample_len;
}
void SigSession::set_total_sample_len(quint64 length)
{
if (_sdi->mode == DSO)
_total_sample_len = 8 * 1024;
else
_total_sample_len = length;
}
struct sr_dev_inst* SigSession::get_device() const
{
return _sdi;
}
int SigSession::set_device(struct sr_dev_inst *sdi)
{
int ret = SR_ERR;
if (sdi)
ret = _device_manager.use_device(sdi, this);
if (ret == SR_OK && (sdi != _sdi) && _sdi) {
_device_manager.release_device(_sdi);
}
if (ret == SR_OK)
_sdi = sdi;
set_capture_state(Init);
return ret;
}
void SigSession::release_device(struct sr_dev_inst *sdi)
{
(void)sdi;
assert(_capture_state != Running);
_sdi = NULL;
}
void SigSession::save_file(const std::string &name){
if (_sdi->mode == LOGIC) {
const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if (snapshots.empty())
return;
const shared_ptr<pv::data::LogicSnapshot> &snapshot =
snapshots.front();
sr_session_save(name.c_str(), _sdi,
(unsigned char*)snapshot->get_data(),
snapshot->get_unit_size(),
snapshot->get_sample_count());
} else if (_sdi->mode == DSO){
const deque< shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_dso_data->get_snapshots();
if (snapshots.empty())
return;
const shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
sr_session_save(name.c_str(), _sdi,
(unsigned char*)snapshot->get_data(),
snapshot->get_unit_size(),
snapshot->get_sample_count());
} else {
const deque< shared_ptr<pv::data::AnalogSnapshot> > &snapshots =
_analog_data->get_snapshots();
if (snapshots.empty())
return;
const shared_ptr<pv::data::AnalogSnapshot> &snapshot =
snapshots.front();
sr_session_save(name.c_str(), _sdi,
(unsigned char*)snapshot->get_data(),
snapshot->get_unit_size(),
snapshot->get_sample_count());
}
}
void SigSession::load_file(const string &name,
function<void (const QString)> error_handler)
{
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(_sampling_mutex);
return _capture_state;
}
void SigSession::start_capture(uint64_t record_length,
function<void (const QString)> error_handler)
{
stop_capture();
// Check that a device instance has been selected.
if (!_sdi) {
qDebug() << "No device selected";
return;
}
// 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, error_handler));
}
void SigSession::stop_capture()
{
if (get_capture_state() == Stopped)
return;
sr_session_stop();
// Check that sampling stopped
if (_sampling_thread.get())
_sampling_thread->join();
_sampling_thread.reset();
}
vector< shared_ptr<view::Signal> > SigSession::get_signals()
{
lock_guard<mutex> lock(_signals_mutex);
return _signals;
}
vector< shared_ptr<view::Signal> > SigSession::get_pro_signals()
{
lock_guard<mutex> lock(_signals_mutex);
return _protocol_signals;
}
int SigSession::get_logic_probe_cnt(const sr_dev_inst *sdi)
{
unsigned int logic_probe_cnt = 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_cnt++;
break;
}
}
return logic_probe_cnt;
}
int SigSession::get_dso_probe_cnt(const sr_dev_inst *sdi)
{
unsigned int dso_probe_cnt = 0;
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_DSO:
dso_probe_cnt++;
break;
}
}
return dso_probe_cnt;
}
int SigSession::get_analog_probe_cnt(const sr_dev_inst *sdi)
{
unsigned int analog_probe_cnt = 0;
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_ANALOG:
analog_probe_cnt++;
break;
}
}
return analog_probe_cnt;
}
boost::shared_ptr<data::Logic> SigSession::get_data()
{
return _logic_data;
}
void* SigSession::get_buf(int& unit_size, uint64_t &length)
{
if (_sdi->mode == LOGIC) {
const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots =
_logic_data->get_snapshots();
if (snapshots.empty())
return NULL;
const shared_ptr<pv::data::LogicSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->get_unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
} else if (_sdi->mode == DSO) {
const deque< shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_dso_data->get_snapshots();
if (snapshots.empty())
return NULL;
const shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->get_unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
} else {
const deque< shared_ptr<pv::data::AnalogSnapshot> > &snapshots =
_analog_data->get_snapshots();
if (snapshots.empty())
return NULL;
const shared_ptr<pv::data::AnalogSnapshot> &snapshot =
snapshots.front();
unit_size = snapshot->get_unit_size();
length = snapshot->get_sample_count();
return snapshot->get_data();
}
}
void SigSession::set_capture_state(capture_state state)
{
lock_guard<mutex> lock(_sampling_mutex);
_capture_state = state;
data_updated();
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, NULL);
if (sr_session_start() != SR_OK) {
error_handler(tr("Failed to start session."));
return;
}
set_capture_state(Running);
sr_session_run();
sr_session_destroy();
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::sample_thread_proc(struct sr_dev_inst *sdi,
uint64_t record_length,
function<void (const QString)> error_handler)
{
assert(sdi);
assert(error_handler);
if (!_adv_trigger) {
/* simple trigger check trigger_enable */
ds_trigger_set_en(false);
BOOST_FOREACH(const 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);
}
sr_session_new();
sr_session_datafeed_callback_add(data_feed_in_proc, NULL);
if (sr_session_dev_add(sdi) != SR_OK) {
error_handler(tr("Failed to use device."));
sr_session_destroy();
return;
}
// 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;
}
receive_data(0);
set_capture_state(Running);
if (sr_session_start() != SR_OK) {
error_handler(tr("Failed to start session."));
set_capture_state(Stopped);
return;
}
sr_session_run();
sr_session_destroy();
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::feed_in_header(const sr_dev_inst *sdi)
{
shared_ptr<view::Signal> signal;
GVariant *gvar;
uint64_t sample_rate = 0;
unsigned int logic_probe_count = 0;
unsigned int dso_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;
case SR_PROBE_DSO:
dso_probe_count++;
break;
case SR_PROBE_ANALOG:
analog_probe_count++;
break;
}
}
// Read out the sample rate
assert(sdi->driver);
int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
&gvar, sdi);
if (ret != SR_OK) {
qDebug("Failed to get samplerate\n");
return;
}
sample_rate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
ret = sr_config_get(sdi->driver, SR_CONF_LIMIT_SAMPLES,
&gvar, sdi);
if (ret != SR_OK) {
qDebug("Failed to get total samples");
return;
}
if (g_variant_get_uint64(gvar) != 0)
_total_sample_len = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
if (sample_rate != _last_sample_rate) {
_last_sample_rate = sample_rate;
sample_rate_changed(sample_rate);
}
// Create data containers for the coming data snapshots
{
lock_guard<mutex> data_lock(_data_mutex);
if (logic_probe_count != 0) {
_logic_data.reset(new data::Logic(
logic_probe_count, sample_rate));
assert(_logic_data);
_group_data.reset(new data::Group(logic_probe_count, sample_rate));
assert(_group_data);
}
if (dso_probe_count != 0) {
_dso_data.reset(new data::Dso(dso_probe_count, sample_rate));
assert(_dso_data);
}
if (analog_probe_count != 0) {
_analog_data.reset(new data::Analog(analog_probe_count, sample_rate));
assert(_analog_data);
}
}
// Set Signal data
{
BOOST_FOREACH(const shared_ptr<view::Signal> s, _signals)
{
assert(s);
s->set_data(_logic_data, _dso_data, _analog_data, _group_data);
}
receive_data(0);
//signals_changed();
}
}
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() == view::Signal::DS_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));
const shared_ptr<view::Signal> signal = shared_ptr<view::Signal>(
new view::GroupSignal("New Group",
_group_data, probe_index_list, _signals.size(), _group_cnt));
_signals.push_back(signal);
_group_cnt++;
if (_capture_state == Stopped) {
if (!_cur_group_snapshot)
{
// Create a new data snapshot
_cur_group_snapshot = 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::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if ((*i)->get_type() == view::Signal::DS_GROUP) {
if ((*i)->selected()) {
std::vector< boost::shared_ptr<view::Signal> >::iterator j = _signals.begin();
while(j != _signals.end()) {
if ((*j)->get_order() > (*i)->get_order())
(*j)->set_order((*j)->get_order() - 1);
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 = _signals.erase(i);
_group_cnt--;
continue;
}
}
i++;
}
signals_changed();
data_updated();
}
void SigSession::add_protocol(std::list<int> probe_index_list, decoder::Decoder *decoder)
{
assert(_logic_data);
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
(*i)->set_order((*i)->get_order() + 1);
i++;
}
if (probe_index_list.size() > 0) {
//_group_data.reset(new data::Group(_last_sample_rate));
const shared_ptr<view::Signal> signal = shared_ptr<view::Signal>(
new view::ProtocolSignal(decoder->get_decode_name(),
_logic_data, decoder, probe_index_list, 0, _protocol_cnt));
_signals.push_back(signal);
_protocol_cnt++;
signals_changed();
data_updated();
}
}
void SigSession::del_protocol(int protocol_index)
{
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if ((*i)->get_type() == view::Signal::DS_PROTOCOL) {
if ((*i)->get_sec_index() == protocol_index) {
std::vector< boost::shared_ptr<view::Signal> >::iterator j = _signals.begin();
while(j != _signals.end()) {
if ((*j)->get_order() > (*i)->get_order())
(*j)->set_order((*j)->get_order() - 1);
if ((*j)->get_sec_index() > (*i)->get_sec_index())
(*j)->set_sec_index((*j)->get_sec_index() - 1);
j++;
}
(*i).reset();
i = _signals.erase(i);
_protocol_cnt--;
break;
}
}
i++;
}
signals_changed();
data_updated();
}
void SigSession::del_signal(std::vector< boost::shared_ptr<view::Signal> >::iterator i)
{
std::vector< boost::shared_ptr<view::Signal> >::iterator j = _signals.begin();
while(j != _signals.end()) {
if ((*j)->get_order() > (*i)->get_order())
(*j)->set_order((*j)->get_order() - 1);
j++;
}
(*i).reset();
_signals.erase(i);
}
void SigSession::init_signals(const sr_dev_inst *sdi)
{
shared_ptr<view::Signal> signal;
GVariant *gvar;
uint64_t sample_rate = 0;
unsigned int logic_probe_count = 0;
unsigned int dso_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;
case SR_PROBE_DSO:
dso_probe_count++;
break;
case SR_PROBE_ANALOG:
analog_probe_count++;
break;
}
}
// Read out the sample rate
assert(sdi->driver);
const int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE,
&gvar, sdi);
if (ret != SR_OK) {
qDebug("Failed to get samplerate\n");
return;
}
sample_rate = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
if (sample_rate != _last_sample_rate) {
_last_sample_rate = sample_rate;
sample_rate_changed(sample_rate);
}
// Create data containers for the coming data snapshots
{
if (logic_probe_count != 0) {
_logic_data.reset(new data::Logic(
logic_probe_count, sample_rate));
assert(_logic_data);
_group_data.reset(new data::Group(logic_probe_count, sample_rate));
assert(_group_data);
_group_cnt = 0;
}
if (dso_probe_count != 0) {
_dso_data.reset(new data::Dso(dso_probe_count, sample_rate));
assert(_dso_data);
}
if (analog_probe_count != 0) {
_analog_data.reset(new data::Analog(analog_probe_count, sample_rate));
assert(_analog_data);
}
}
// Make the logic probe list
{
_signals.clear();
for (const GSList *l = sdi->probes; l; l = l->next) {
const sr_probe *const probe =
(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, _signals.size()));
break;
case SR_PROBE_DSO:
signal = shared_ptr<view::Signal>(
new view::DsoSignal(probe->name,
_dso_data, probe->index, _signals.size()));
break;
case SR_PROBE_ANALOG:
signal = shared_ptr<view::Signal>(
new view::AnalogSignal(probe->name,
_analog_data, probe->index, _signals.size()));
break;
}
_signals.push_back(signal);
}
signals_changed();
data_updated();
}
}
void SigSession::update_signals(const sr_dev_inst *sdi)
{
shared_ptr<view::Signal> signal;
QMap<int, bool> probes_en_table;
QMap<int, bool> signals_en_table;
int index = 0;
std::vector< boost::shared_ptr<view::Signal> >::iterator i = _signals.begin();
while (i != _signals.end()) {
if (((*i)->get_type() == view::Signal::DS_LOGIC ||
(*i)->get_type() == view::Signal::DS_DSO ||
(*i)->get_type() == view::Signal::DS_ANALOG))
signals_en_table.insert((*i)->get_index(), 1);
i++;
}
index = 0;
for (const GSList *l = sdi->probes; l; l = l->next) {
const sr_probe *const probe =
(const sr_probe *)l->data;
assert(probe);
probes_en_table.insert(index, probe->enabled);
if (probe->enabled && !signals_en_table.contains(index)) {
i = _signals.begin();
while (i != _signals.end()) {
(*i)->set_order((*i)->get_order() + 1);
i++;
}
switch(probe->type) {
case SR_PROBE_LOGIC:
signal = shared_ptr<view::Signal>(
new view::LogicSignal(probe->name,
_logic_data, probe->index, 0));
break;
case SR_PROBE_DSO:
signal = shared_ptr<view::Signal>(
new view::DsoSignal(probe->name,
_dso_data, probe->index, _signals.size()));
break;
case SR_PROBE_ANALOG:
signal = shared_ptr<view::Signal>(
new view::AnalogSignal(probe->name,
_analog_data, probe->index, 0));
break;
}
_signals.push_back(signal);
}
index++;
}
i = _signals.begin();
while (i != _signals.end()) {
if (((*i)->get_type() == view::Signal::DS_LOGIC ||
(*i)->get_type() == view::Signal::DS_DSO ||
(*i)->get_type() == view::Signal::DS_ANALOG) &&
probes_en_table.value((*i)->get_index()) == false) {
std::vector< boost::shared_ptr<view::Signal> >::iterator j = _signals.begin();
while(j != _signals.end()) {
if ((*j)->get_order() > (*i)->get_order())
(*j)->set_order((*j)->get_order() - 1);
j++;
}
(*i).reset();
i = _signals.erase(i);
continue;
}
i++;
}
signals_changed();
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)
{
receive_trigger(trigger_pos.real_pos);
}
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 (logic.data_error == 1) {
test_data_error();
}
if (!_cur_logic_snapshot)
{
// Create a new data snapshot
_cur_logic_snapshot = shared_ptr<data::LogicSnapshot>(
new data::LogicSnapshot(logic, _total_sample_len, 1));
if (_cur_logic_snapshot->buf_null())
stop_capture();
else
_logic_data->push_snapshot(_cur_logic_snapshot);
}
else
{
// Append to the existing data snapshot
_cur_logic_snapshot->append_payload(logic);
}
receive_data(logic.length/logic.unitsize);
//data_updated();
}
void SigSession::feed_in_dso(const sr_datafeed_dso &dso)
{
lock_guard<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 = shared_ptr<data::DsoSnapshot>(
new data::DsoSnapshot(dso, _total_sample_len, _dso_data->get_num_probes()));
if (_cur_dso_snapshot->buf_null())
stop_capture();
else
_dso_data->push_snapshot(_cur_dso_snapshot);
}
else
{
// Append to the existing data snapshot
_cur_dso_snapshot->append_payload(dso);
}
receive_data(dso.num_samples);
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, _total_sample_len, _analog_data->get_num_probes()));
if (_cur_analog_snapshot->buf_null())
stop_capture();
else
_analog_data->push_snapshot(_cur_analog_snapshot);
}
else
{
// Append to the existing data snapshot
_cur_analog_snapshot->append_payload(analog);
}
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:
{
{
lock_guard<mutex> lock(_data_mutex);
BOOST_FOREACH(const shared_ptr<view::Signal> s, _signals)
{
assert(s);
if (s->get_type() == view::Signal::DS_GROUP) {
_cur_group_snapshot = shared_ptr<data::GroupSnapshot>(
new data::GroupSnapshot(_logic_data->get_snapshots().front(), s->get_index_list()));
//_cur_group_snapshot->append_payload();
_group_data->push_snapshot(_cur_group_snapshot);
_cur_group_snapshot.reset();
}
if (s->get_type() == view::Signal::DS_PROTOCOL) {
s->get_decoder()->decode();
}
}
_cur_logic_snapshot.reset();
_cur_dso_snapshot.reset();
_cur_analog_snapshot.reset();
}
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);
}
QVector<std::pair<decoder::Decoder *, std::list<int> > > SigSession::get_decoders() const
{
return _decoders;
}
void SigSession::add_protocol_analyzer(int decoder_index, std::list <int > _sel_probes,
QMap <QString, QVariant>& _options, QMap <QString, int> _options_index)
{
decoder::Decoder *decoder;
// new different docoder according to protocol_list in decoder.h
decoder = _decoderFactory->createDecoder(decoder_index, _logic_data, _sel_probes, _options, _options_index);
// if current data is valid, do decode
if (_logic_data)
decoder->decode();
_decoders.push_back(std::pair<decoder::Decoder *, std::list<int> >(decoder, _sel_probes));
// // config signal's attribute for display
// BOOST_FOREACH(const int _index, _sel_probes) {
// _signals.at(_index)->set_decoder(decoder);
// }
// add protocol decoder signal
add_protocol(_sel_probes, decoder);
}
void SigSession::rst_protocol_analyzer(int rst_index, std::list <int > _sel_probes,
QMap <QString, QVariant>& _options, QMap <QString, int> _options_index)
{
// if current data is valid, redo decode
if (_logic_data)
_decoders.at(rst_index).first->recode(_sel_probes, _options, _options_index);
BOOST_FOREACH(const shared_ptr<view::Signal> s, _signals)
{
assert(s);
if (s->get_decoder() == _decoders.at(rst_index).first) {
s->set_index_list(s->get_decoder()->get_probes());
break;
}
}
// update protocol signal
signals_changed();
data_updated();
}
void SigSession::del_protocol_analyzer(int protocol_index)
{
assert(protocol_index < _decoders.size());
//delete (_decoders.at(protocol_index)).first;
// BOOST_FOREACH(const int _index, (_decoders.at(protocol_index)).second) {
// _signals.at(_index)->del_decoder();
// }
del_protocol(protocol_index);
_decoders.remove(protocol_index);
}
std::list<int> SigSession::get_decode_probes(int decode_index)
{
assert(decode_index >= 0);
assert(decode_index < _decoders.size());
return _decoders.at(decode_index).first->get_probes();
}
QMap<QString, int> SigSession::get_decode_options_index(int decode_index)
{
assert(decode_index >= 0);
assert(decode_index < _decoders.size());
return _decoders.at(decode_index).first->get_options_index();
}
/*
* 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("DSLogic attaced!\n");
}else if (LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT == event) {
_session->_hot_detach = true;
qDebug("DSLogic 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 (!_sdi)
return;
tv.tv_sec = tv.tv_usec = 0;
try {
while(_session) {
libusb_handle_events_timeout(NULL, &tv);
if (_hot_attach) {
qDebug("DSLogic hardware attached!");
device_attach();
_hot_attach = false;
break;
}
if (_hot_detach) {
qDebug("DSLogic hardware detached!");
device_detach();
_logic_data.reset();
_dso_data.reset();
_analog_data.reset();
_hot_detach = false;
break;
}
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, 0x0001,
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;
}
} // namespace pv
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