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b63cc00d9e8e0bef8f207455f3bc3d01b431c830
DSView/DSView/pv/sigsession.cpp
dreamsourcelabTAI b63cc00d9e the step 1 of code refactoring
2022-07-14 13:50:40 +08:00

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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
*/
#include <libsigrokdecode.h>
#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 <map>
#include "data/decode/decoderstatus.h"
#include "dsvdef.h"
#include "log.h"
namespace pv {
// TODO: This should not be necessary
SigSession* SigSession::_session = NULL;
SigSession::SigSession(DeviceManager *device_manager)
{
_device_manager = device_manager;
// TODO: This should not be necessary
_session = this;
_hot_attach = false;
_hot_detach = false;
_group_cnt = 0;
_bHotplugStop = false;
_map_zoom = 0;
_repeat_hold_prg = 0;
_repeating = false;
_repeat_intvl = 1;
_run_mode = Single;
_error = No_err;
_instant = false;
_capture_state = Init;
_noData_cnt = 0;
_data_lock = false;
_data_updated = false;
_decoder_model = new pv::data::DecoderModel(NULL);
_lissajous_trace = NULL;
_math_trace = NULL;
_saving = false;
_dso_feed = false;
_stop_scale = 1;
_bDecodeRunning = false;
_bClose = false;
_callback = NULL;
_dev_inst = NULL;
_is_wait_reattch = false;
_wait_reattch_times = 0;
_is_device_reattach = false;
// Create snapshots & data containers
_logic_data = new data::Logic(new data::LogicSnapshot());
_dso_data = new data::Dso(new data::DsoSnapshot());
_analog_data = new data::Analog(new data::AnalogSnapshot());
_group_data = new data::Group();
_group_cnt = 0;
_sr_ctx = NULL;
_feed_timer.Stop();
_feed_timer.SetCallback(std::bind(&SigSession::feed_timeout, this));
}
SigSession::SigSession(SigSession &o){(void)o;}
SigSession::~SigSession()
{
}
DevInst* SigSession::get_device()
{
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(DevInst *dev_inst)
{
// Ensure we are not capturing before setting the device
assert(dev_inst);
if (is_device_re_attach() == false){
clear_all_decoder(false);
}
else{
dsv_dbg("%s", "Keep current decoders");
}
RELEASE_ARRAY(_group_traces);
if (_dev_inst) {
sr_session_datafeed_callback_remove_all();
_dev_inst->release();
_dev_inst = NULL;
}
_dev_inst = dev_inst;
if (_dev_inst) {
QString dev_name = _dev_inst->format_device_title();
if (_last_device_name != dev_name){
_last_device_name = dev_name;
_is_device_reattach = false;
clear_all_decoder(false);
}
else if (is_device_re_attach() == false){
clear_all_decoder(false);
}
if (_dev_inst->is_file())
dsv_info("%s\"%s\"", "Switch to file: ", dev_name.toUtf8().data());
else
dsv_info("%s\"%s\"", "Switch to device: ", dev_name.toUtf8().data());
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);
_callback->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.
clear_all_decoder(false);
RELEASE_ARRAY(_group_traces);
//File::create(name) will get resource, so try to release old file before
if (_dev_inst) {
sr_session_datafeed_callback_remove_all();
_dev_inst->release();
_dev_inst = NULL;
}
try {
set_device(device::File::create(name));
} catch(const QString e) {
throw(e);
return;
}
}
void SigSession::close_file(DevInst *dev_inst)
{
assert(dev_inst);
assert(_device_manager);
try {
clear_all_decoder();
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()
{
assert(_device_manager);
DevInst *default_device = NULL;
const std::list<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
for (DevInst *dev : devices)
if (dev->dev_inst() && !dev->name().contains("virtual")) {
default_device = dev;
break;
}
}
if (default_device != NULL){
try {
set_device(default_device);
} catch(const QString e) {
_callback->show_error(e);
return;
}
}
}
void SigSession::release_device(DevInst *dev_inst)
{
if (_dev_inst == NULL)
return;
assert(dev_inst);
assert(get_capture_state() != Running);
_dev_inst = NULL;
}
SigSession::capture_state SigSession::get_capture_state()
{
std::lock_guard<std::mutex> lock(_sampling_mutex);
return _capture_state;
}
uint64_t SigSession::cur_samplelimits()
{
return _cur_samplelimits;
}
uint64_t SigSession::cur_samplerate()
{
// 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()
{
// samplerate for current snapshot
return _cur_snap_samplerate;
}
double SigSession::cur_sampletime()
{
return cur_samplelimits() * 1.0 / cur_samplerate();
}
double SigSession::cur_snap_sampletime()
{
return cur_samplelimits() * 1.0 / cur_snap_samplerate();
}
double SigSession::cur_view_time()
{
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);
// DecoderStack
for(auto &d : _decode_traces)
d->decoder()->set_samplerate(_cur_snap_samplerate);
// Math
if (_math_trace && _math_trace->enabled())
_math_trace->get_math_stack()->set_samplerate(_dev_inst->get_sample_rate());
// SpectrumStack
for(auto & m : _spectrum_traces)
m->get_spectrum_stack()->set_samplerate(_cur_snap_samplerate);
_callback->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));
_callback->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
for(auto &s : _signals)
{
assert(s);
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_cast<view::DsoSignal*>(s))) {
dsoSig->set_zero_ratio(dsoSig->get_zero_ratio());
}
view::AnalogSignal *analogSig = NULL;
if ((analogSig = dynamic_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
for(auto &m : _spectrum_traces)
{
assert(m);
m->get_spectrum_stack()->init();
}
if (_math_trace)
_math_trace->get_math_stack()->init();
// DecoderModel
//pv::data::DecoderModel *decoder_model = get_decoder_model();
//decoder_model->setDecoderStack(NULL);
// DecoderStack
for(auto &d : _decode_traces)
{
d->decoder()->init();
}
}
void SigSession::start_capture(bool instant)
{
// Check that a device instance has been selected.
if (!_dev_inst) {
dsv_err("%s", "No device selected");
capture_state_changed(SigSession::Stopped);
return;
}
assert(_dev_inst->dev_inst());
if (!_dev_inst->is_usable()) {
_error = Hw_err;
_callback->session_error();
capture_state_changed(SigSession::Stopped);
return;
}
// stop all decode tasks
int run_dex = 0;
clear_all_decode_task(run_dex);
// stop previous capture
stop_capture();
// reset measure of dso signal
for(auto &s : _signals)
{
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_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) {
_callback->show_error("No probes enabled.");
data_updated();
set_repeating(false);
capture_state_changed(SigSession::Stopped);
return;
}
if (_sampling_thread.joinable()){
_sampling_thread.join();
}
if (sr_check_session_start_before() != 0){
assert(false);
}
_sampling_thread = std::thread(&SigSession::sample_thread_proc, this, _dev_inst);
}
void SigSession::sample_thread_proc(DevInst *dev_inst)
{
assert(dev_inst);
assert(dev_inst->dev_inst());
try {
dev_inst->start();
} catch(const QString e) {
_callback->show_error(e);
return;
}
receive_data(0);
set_capture_state(Running);
//session loop
dev_inst->run();
set_capture_state(Stopped);
// Confirm that SR_DF_END was received
assert(_logic_data->snapshot()->last_ended());
assert(_dso_data->snapshot()->last_ended());
assert(_analog_data->snapshot()->last_ended());
}
void SigSession::stop_capture()
{
data_unlock();
if (_dev_inst){
_dev_inst->stop();
}
// Check that sampling stopped
if (_sampling_thread.joinable()){
_sampling_thread.join();
}
}
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;
}
std::vector<view::Signal*>& SigSession::get_signals()
{
return _signals;
}
std::vector<view::GroupSignal*>& SigSession::get_group_signals()
{
return _group_traces;
}
std::set<data::SignalData*> SigSession::get_data()
{
std::set<data::SignalData*> data;
for(auto &sig : _signals) {
assert(sig);
data.insert(sig->data());
}
return data;
}
bool SigSession::get_instant()
{
return _instant;
}
void SigSession::set_capture_state(capture_state state)
{
std::lock_guard<std::mutex> lock(_sampling_mutex);
_capture_state = state;
data_updated();
capture_state_changed(state);
}
void SigSession::check_update()
{
ds_lock_guard 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;
auto 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->init();
_group_data->set_samplerate(_cur_snap_samplerate);
auto signal = new view::GroupSignal("New Group", _group_data, probe_index_list, _group_cnt);
_group_traces.push_back(signal);
_group_cnt++;
const auto &snapshots = _logic_data->get_snapshots();
if (!snapshots.empty())
{
auto p = new data::GroupSnapshot(snapshots.front(), signal->get_index_list());
_group_data->push_snapshot(p);
}
signals_changed();
data_updated();
}
}
void SigSession::del_group()
{
auto i = _group_traces.begin();
while (i != _group_traces.end()) {
pv::view::GroupSignal *psig = *(i);
if (psig->selected()) {
auto j = _group_traces.begin();
while(j != _group_traces.end()) {
if ((*j)->get_sec_index() > psig->get_sec_index())
(*j)->set_sec_index((*j)->get_sec_index() - 1);
j++;
}
auto &snapshots = _group_data->get_snapshots();
if (!snapshots.empty()) {
int dex = psig->get_sec_index();
pv::data::GroupSnapshot *pshot = _group_data->get_snapshots().at(dex);
delete pshot;
auto k = snapshots.begin();
k += (*i)->get_sec_index();
_group_data->get_snapshots().erase(k);
}
delete psig;
i = _group_traces.erase(i);
_group_cnt--;
continue;
}
i++;
}
signals_changed();
data_updated();
}
void SigSession::init_signals()
{
assert(_dev_inst);
stop_capture();
std::vector<view::Signal*> sigs;
view::Signal *signal = NULL;
unsigned int logic_probe_count = 0;
unsigned int dso_probe_count = 0;
unsigned int analog_probe_count = 0;
if (is_device_re_attach() == false){
_logic_data->clear();
_dso_data->clear();
_analog_data->clear();
_group_data->clear();
// Clear the decode traces
clear_all_decoder();
}
else{
dsv_err("%s", "Device loose contact");
}
// 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
RELEASE_ARRAY(_group_traces);
std::vector<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 = NULL;
switch (probe->type)
{
case SR_CHANNEL_LOGIC:
if (probe->enabled)
signal = new view::LogicSignal(_dev_inst, _logic_data, probe);
break;
case SR_CHANNEL_DSO:
signal = new view::DsoSignal(_dev_inst, _dso_data, probe);
break;
case SR_CHANNEL_ANALOG:
if (probe->enabled)
signal = new view::AnalogSignal(_dev_inst, _analog_data, probe);
break;
}
if (signal != NULL)
sigs.push_back(signal);
}
RELEASE_ARRAY(_signals);
std::vector<view::Signal *>().swap(_signals);
_signals = sigs;
spectrum_rebuild();
lissajous_disable();
math_disable();
}
void SigSession::reload()
{
assert(_dev_inst);
if (_capture_state == Running)
stop_capture();
std::vector<view::Signal*> sigs;
view::Signal *signal = NULL;
// 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 = NULL;
switch (probe->type)
{
case SR_CHANNEL_LOGIC:
if (probe->enabled)
{
auto i = _signals.begin();
while (i != _signals.end())
{
if ((*i)->get_index() == probe->index)
{
view::LogicSignal *logicSig = NULL;
if ((logicSig = dynamic_cast<view::LogicSignal *>(*i)))
signal = new view::LogicSignal(logicSig, _logic_data, probe);
break;
}
i++;
}
if (signal == NULL)
{
signal = new view::LogicSignal(_dev_inst, _logic_data, probe);
}
}
break;
case SR_CHANNEL_ANALOG:
if (probe->enabled)
{
auto i = _signals.begin();
while (i != _signals.end())
{
if ((*i)->get_index() == probe->index)
{
view::AnalogSignal *analogSig = NULL;
if ((analogSig = dynamic_cast<view::AnalogSignal *>(*i)))
signal = new view::AnalogSignal(analogSig, _analog_data, probe);
break;
}
i++;
}
if (signal == NULL)
{
signal = new view::AnalogSignal(_dev_inst, _analog_data, probe);
}
}
break;
}
if (signal != NULL)
sigs.push_back(signal);
}
if (!sigs.empty())
{
RELEASE_ARRAY(_signals);
std::vector<view::Signal *>().swap(_signals);
_signals = sigs;
}
spectrum_rebuild();
}
void SigSession::refresh(int holdtime)
{
ds_lock_guard lock(_data_mutex);
data_lock();
if (_logic_data) {
_logic_data->init();
for(auto &d : _decode_traces)
{
d->decoder()->init();
}
}
if (_dso_data) {
_dso_data->init();
// SpectrumStack
for(auto &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();
}
_out_timer.TimeOut(holdtime, std::bind(&SigSession::feed_timeout, this));
_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;
_callback->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;
_callback->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;
_callback->receive_trigger(_trigger_pos);
}
}
void SigSession::feed_in_logic(const sr_datafeed_logic &logic)
{
if (!_logic_data || _logic_data->snapshot()->memory_failed()) {
dsv_err("%s", "Unexpected logic packet");
return;
}
if (logic.data_error == 1) {
_error = Test_data_err;
_error_pattern = logic.error_pattern;
_callback->session_error();
}
if (_logic_data->snapshot()->last_ended()) {
_logic_data->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.
_callback->frame_began();
} else {
// Append to the existing data snapshot
_logic_data->snapshot()->append_payload(logic);
}
if (_logic_data->snapshot()->memory_failed()) {
_error = Malloc_err;
_callback->session_error();
return;
}
receive_data(logic.length * 8 / get_ch_num(SR_CHANNEL_LOGIC));
_callback->data_received();
_data_updated = true;
}
void SigSession::feed_in_dso(const sr_datafeed_dso &dso)
{
if(!_dso_data || _dso_data->snapshot()->memory_failed())
{
dsv_err("%s", "Unexpected dso packet");
return; // This dso packet was not expected.
}
if (_dso_data->snapshot()->last_ended())
{
std::map<int, bool> sig_enable;
// reset scale of dso signal
for(auto &s : _signals)
{
assert(s);
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_cast<view::DsoSignal*>(s))) {
dsoSig->set_scale(dsoSig->get_view_rect().height());
sig_enable[dsoSig->get_index()] = dsoSig->enabled();
}
}
// first payload
_dso_data->snapshot()->first_payload(dso, _dev_inst->get_sample_limit(), sig_enable, _instant);
} else {
// Append to the existing data snapshot
_dso_data->snapshot()->append_payload(dso);
}
for(auto &s : _signals) {
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_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());
}
if (_dso_data->snapshot()->memory_failed()) {
_error = Malloc_err;
_callback->session_error();
return;
}
// calculate related spectrum results
for(auto &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)
{
if(!_analog_data || _analog_data->snapshot()->memory_failed())
{
dsv_err("%s", "Unexpected analog packet");
return; // This analog packet was not expected.
}
if (_analog_data->snapshot()->last_ended())
{
// reset scale of analog signal
for(auto &s : _signals)
{
assert(s);
view::AnalogSignal *analogSig = NULL;
if ((analogSig = dynamic_cast<view::AnalogSignal*>(s))) {
analogSig->set_scale(analogSig->get_totalHeight());
}
}
// first payload
_analog_data->snapshot()->first_payload(analog, _dev_inst->get_sample_limit(), _dev_inst->dev_inst()->channels);
} else {
// Append to the existing data snapshot
_analog_data->snapshot()->append_payload(analog);
}
if (_analog_data->snapshot()->memory_failed()) {
_error = Malloc_err;
_callback->session_error();
return;
}
receive_data(analog.num_samples);
_data_updated = true;
}
void SigSession::data_feed_in(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet)
{
assert(sdi);
assert(packet);
ds_lock_guard 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;
_callback->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;
_callback->session_error();
}
break;
}
case SR_DF_END:
{
if (!_logic_data->snapshot()->empty())
{
for (auto &g : _group_traces)
{
assert(g);
auto p = new data::GroupSnapshot(_logic_data->get_snapshots().front(), g->get_index_list());
_group_data->push_snapshot(p);
}
}
_logic_data->snapshot()->capture_ended();
_dso_data->snapshot()->capture_ended();
_analog_data->snapshot()->capture_ended();
for (auto trace : _decode_traces){
trace->decoder()->frame_ended();
trace->frame_ended();
add_decode_task(trace);
}
if (packet->status != SR_PKT_OK) {
_error = Pkt_data_err;
_callback->session_error();
}
_callback->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
*/
void SigSession::hotplug_callback(void *ctx, void *dev, int event, void *user_data)
{
if (_session != NULL){
_session->on_hotplug_event(ctx, dev, event, user_data);
}
}
void SigSession::on_hotplug_event(void *ctx, void *dev, int event, void *user_data)
{
(void)ctx;
(void)dev;
(void)user_data;
if (USB_EV_HOTPLUG_ATTACH != event && USB_EV_HOTPLUG_DETTACH != event){
dsv_err("%s%d", "Unhandled event", event);
return;
}
if (USB_EV_HOTPLUG_ATTACH == event)
{
_hot_attach = true;
_is_device_reattach = _is_wait_reattch;
_is_wait_reattch = false; //cancel detach event
}
else if (USB_EV_HOTPLUG_DETTACH == event)
{
dsv_dbg("%s", "Device detached, will wait it reattach.");
_wait_reattch_times = 0;
_is_wait_reattch = true; //wait the device reattach.
_is_device_reattach = false;
}
}
void SigSession::hotplug_proc()
{
if (!_dev_inst)
return;
dsv_info("%s", "Hotplug thread start!");
try {
while(_session && !_bHotplugStop) {
sr_hotplug_wait_timout(_sr_ctx);
if (_hot_attach) {
dsv_info("%s", "process event: DreamSourceLab hardware attached!");
_callback->device_attach();
_hot_attach = false;
}
if (_hot_detach) {
dsv_info("%s", "process event: DreamSourceLab hardware detached!");
_callback->device_detach();
_hot_detach = false;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
if (_is_wait_reattch){
_wait_reattch_times++;
// 500ms
if (_wait_reattch_times == 5)
{
dsv_dbg("%s", "Wait the device reattach time out for 500ms");
_hot_detach = true;
_is_wait_reattch = false;
}
}
}
} catch(...) {
dsv_err("%s", "Interrupt exception for hotplug thread was thrown.");
}
dsv_info("%s", "Hotplug thread exit!");
}
void SigSession::register_hotplug_callback()
{
if (sr_listen_hotplug(_sr_ctx, hotplug_callback, NULL) != 0){
dsv_err("%s", "Error creating a hotplug callback!");
}
}
void SigSession::deregister_hotplug_callback()
{
sr_close_hotplug(_sr_ctx);
}
void SigSession::start_hotplug_work()
{
// Begin the session
_hot_attach = false;
_hot_detach = false;
if (_hotplug_thread.joinable()){
return;
}
_hotplug_thread = std::thread(&SigSession::hotplug_proc, this);
}
void SigSession::stop_hotplug_work()
{
_bHotplugStop = true;
if (_hotplug_thread.joinable()){
_hotplug_thread.join();
}
}
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()) {
for(auto &s : _signals)
{
assert(s);
if (dynamic_cast<view::LogicSignal*>(s) && s->enabled()) {
logic_ch_num++;
}
if (dynamic_cast<view::DsoSignal*>(s) && s->enabled()) {
dso_ch_num++;
}
if (dynamic_cast<view::AnalogSignal*>(s) && s->enabled()) {
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;
}
bool SigSession::add_decoder(srd_decoder *const dec, bool silent, DecoderStatus *dstatus,
std::list<pv::data::decode::Decoder*> &sub_decoders){
try {
bool ret = false;
// Create the decoder
std::map<const srd_channel*, int> probes;
data::DecoderStack *decoder_stack = new data::DecoderStack(this, dec, dstatus);
assert(decoder_stack);
// 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);
decoder_stack->stack().front()->set_probes(probes);
// Create the decode signal
view::DecodeTrace *trace = new view::DecodeTrace(this, decoder_stack, _decode_traces.size());
assert(trace);
//add sub decoder
for(auto sub : sub_decoders){
trace->decoder()->add_sub_decoder(sub);
}
sub_decoders.clear();
// set view early for decode start/end region setting
for(auto &s : _signals) {
if (s->get_view()) {
trace->set_view(s->get_view());
break;
}
}
if (silent) {
ret = true;
} else if (trace->create_popup(true)) {
ret = true;
}
if (ret)
{
_decode_traces.push_back(trace);
//add decode task from ui
if (!silent){
add_decode_task(trace);
}
signals_changed();
data_updated();
}
else
{
delete trace;
}
return ret;
} catch(...) {
ds_debug("Starting a hotplug thread...\n");
}
return false;
}
std::vector<view::DecodeTrace*>& SigSession::get_decode_signals()
{
return _decode_traces;
}
int SigSession::get_trace_index_by_key_handel(void *handel)
{
int dex = 0;
for(auto tr : _decode_traces){
if (tr->decoder()->get_key_handel() == handel){
return dex;
}
++dex;
}
return -1;
}
void SigSession::remove_decoder(int index)
{
int size = (int)_decode_traces.size();
assert(index < size);
auto it = _decode_traces.begin() + index;
auto trace = (*it);
_decode_traces.erase(it);
bool isRunning = trace->decoder()->IsRunning();
remove_decode_task(trace);
if (isRunning){
//destroy it in thread
trace->_delete_flag = true;
}
else{
delete trace;
signals_changed();
}
}
void SigSession::remove_decoder_by_key_handel(void *handel)
{
int dex = get_trace_index_by_key_handel(handel);
remove_decoder(dex);
}
void SigSession::rst_decoder(int index)
{
auto trace = get_decoder_trace(index);
if (trace && trace->create_popup(false) ){
remove_decode_task(trace); //remove old task
trace->decoder()->clear();
add_decode_task(trace);
data_updated();
}
}
void SigSession::rst_decoder_by_key_handel(void *handel)
{
int dex = get_trace_index_by_key_handel(handel);
rst_decoder(dex);
}
pv::data::DecoderModel* SigSession::get_decoder_model()
{
return _decoder_model;
}
void SigSession::spectrum_rebuild()
{
bool has_dso_signal = false;
for(auto &s : _signals) {
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_cast<view::DsoSignal*>(s))) {
has_dso_signal = true;
// check already have
auto 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()) {
auto spectrum_stack = new data::SpectrumStack(this, dsoSig->get_index());
auto spectrum_trace = new view::SpectrumTrace(this, spectrum_stack, dsoSig->get_index());
_spectrum_traces.push_back(spectrum_trace);
}
}
}
if (!has_dso_signal){
RELEASE_ARRAY(_spectrum_traces);
}
signals_changed();
}
std::vector<view::SpectrumTrace*>& SigSession::get_spectrum_traces()
{
return _spectrum_traces;
}
void SigSession::lissajous_rebuild(bool enable, int xindex, int yindex, double percent)
{
DESTROY_OBJECT(_lissajous_trace);
_lissajous_trace = new view::LissajousTrace(enable, _dso_data, xindex, yindex, percent);
signals_changed();
}
void SigSession::lissajous_disable()
{
if (_lissajous_trace)
_lissajous_trace->set_enable(false);
}
view::LissajousTrace* SigSession::get_lissajous_trace()
{
return _lissajous_trace;
}
void SigSession::math_rebuild(bool enable,view::DsoSignal *dsoSig1,
view::DsoSignal *dsoSig2,
data::MathStack::MathType type)
{
ds_lock_guard lock(_data_mutex);
auto math_stack = new data::MathStack(this, dsoSig1, dsoSig2, type);
DESTROY_OBJECT(_math_trace);
_math_trace = new view::MathTrace(enable, math_stack, dsoSig1, dsoSig2);
if (_math_trace && _math_trace->enabled()) {
_math_trace->get_math_stack()->set_samplerate(_dso_data->samplerate());
_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);
}
view::MathTrace* SigSession::get_math_trace()
{
return _math_trace;
}
void SigSession::set_session_time(QDateTime time)
{
_session_time = time;
}
QDateTime SigSession::get_session_time()
{
return _session_time;
}
uint64_t SigSession::get_trigger_pos()
{
return _trigger_pos;
}
bool SigSession::trigd()
{
return _trigger_flag;
}
uint8_t SigSession::trigd_ch()
{
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) {
_callback->show_wait_trigger();
}
}
void SigSession::feed_timeout()
{
data_unlock();
if (!_data_updated) {
if (++_noData_cnt >= (WaitShowTime/FeedInterval))
nodata_timeout();
}
}
data::Snapshot* SigSession::get_snapshot(int type)
{
if (type == SR_CHANNEL_LOGIC)
return _logic_data->snapshot();
else if (type == SR_CHANNEL_ANALOG)
return _analog_data->snapshot();
else if (type == SR_CHANNEL_DSO)
return _dso_data->snapshot();
else
return NULL;
}
SigSession::error_state SigSession::get_error()
{
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()
{
return _error_pattern;
}
SigSession::run_mode SigSession::get_run_mode()
{
return _run_mode;
}
void SigSession::set_run_mode(run_mode mode)
{
_run_mode = mode;
}
double SigSession::get_repeat_intvl()
{
return _repeat_intvl;
}
void SigSession::set_repeat_intvl(double interval)
{
_repeat_intvl = interval;
}
void SigSession::set_repeating(bool repeat)
{
_repeating = repeat;
if (!_repeating)
_repeat_hold_prg = 0;
}
bool SigSession::isRepeating()
{
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;
_callback->repeat_hold(_repeat_hold_prg);
_out_timer.TimeOut(_repeat_intvl * 1000 / RepeatHoldDiv, std::bind(&SigSession::repeat_update, this));
return true;
} else {
return false;
}
}
void SigSession::repeat_update()
{
if (isRepeating()) {
_repeat_hold_prg -= 100/RepeatHoldDiv;
if (_repeat_hold_prg != 0){
_out_timer.TimeOut(_repeat_intvl * 1000 / RepeatHoldDiv, std::bind(&SigSession::repeat_update, this));
}
_callback->repeat_hold(_repeat_hold_prg);
if (_repeat_hold_prg == 0)
repeat_resume();
}
}
int SigSession::get_repeat_hold()
{
if (isRepeating())
return _repeat_hold_prg;
else
return 0;
}
void SigSession::set_map_zoom(int index)
{
_map_zoom = index;
}
int SigSession::get_map_zoom()
{
return _map_zoom;
}
void SigSession::auto_end()
{
for(auto &s : _signals) {
view::DsoSignal *dsoSig = NULL;
if ((dsoSig = dynamic_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()
{
return _save_start;
}
uint64_t SigSession::get_save_end()
{
return _save_end;
}
bool SigSession::get_saving()
{
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()
{
return _stop_scale;
}
void SigSession::set_stop_scale(float scale)
{
_stop_scale = scale;
}
sr_dev_inst* SigSession::get_dev_inst_c()
{
if (_dev_inst != NULL){
return _dev_inst->dev_inst();
}
return NULL;
}
void SigSession::Open()
{
register_hotplug_callback();
}
void SigSession::Close()
{
if (_bClose)
return;
_bClose = true;
stop_capture(); //stop capture
clear_all_decoder(); //clear all decode task, and stop decode thread
ds_trigger_destroy();
if (_dev_inst)
{
_dev_inst->release();
}
// TODO: This should not be necessary
_session = NULL;
stop_hotplug_work();
deregister_hotplug_callback();
}
//append a decode task, and try create a thread
void SigSession::add_decode_task(view::DecodeTrace *trace)
{
std::lock_guard<std::mutex> lock(_decode_task_mutex);
_decode_tasks.push_back(trace);
if (!_bDecodeRunning)
{
if (_decode_thread.joinable())
_decode_thread.join();
_decode_thread = std::thread(&SigSession::decode_task_proc, this);
_bDecodeRunning = true;
}
}
void SigSession::remove_decode_task(view::DecodeTrace *trace)
{
std::lock_guard<std::mutex> lock(_decode_task_mutex);
for (auto it = _decode_tasks.begin(); it != _decode_tasks.end(); it++){
if ((*it) == trace){
(*it)->decoder()->stop_decode_work();
_decode_tasks.erase(it);
dsv_info("%s", "remove a waiting decode task");
return;
}
}
//the task maybe is running
trace->decoder()->stop_decode_work();
}
void SigSession::clear_all_decoder(bool bUpdateView)
{
//create the wait task deque
int dex = -1;
clear_all_decode_task(dex);
view::DecodeTrace *runningTrace = NULL;
if (dex != -1){
runningTrace = _decode_traces[dex];
runningTrace->_delete_flag = true; //destroy it in thread
}
for (auto trace : _decode_traces)
{
if (trace != runningTrace){
delete trace;
}
}
_decode_traces.clear();
//wait thread end
if (_decode_thread.joinable())
{
_decode_thread.join();
}
if (!is_closed() && bUpdateView){
signals_changed();
}
}
void SigSession::clear_all_decode_task(int &runningDex)
{
std::lock_guard<std::mutex> lock(_decode_task_mutex);
//remove wait task
for (auto trace : _decode_tasks){
trace->decoder()->stop_decode_work(); //set decode proc stop flag
}
_decode_tasks.clear();
//make sure the running task can stop
runningDex = -1;
int dex = 0;
for (auto trace : _decode_traces)
{
if (trace->decoder()->IsRunning())
{
trace->decoder()->stop_decode_work();
runningDex = dex;
}
dex++;
}
}
view::DecodeTrace* SigSession::get_decoder_trace(int index)
{
if (index >= 0 && index < (int)_decode_traces.size()){
return _decode_traces[index];
}
assert(false);
}
view::DecodeTrace* SigSession::get_top_decode_task()
{
std::lock_guard<std::mutex> lock(_decode_task_mutex);
auto it = _decode_tasks.begin();
if (it != _decode_tasks.end()){
auto p = (*it);
_decode_tasks.erase(it);
return p;
}
return NULL;
}
//the decode task thread proc
void SigSession::decode_task_proc()
{
dsv_info("%s", "------->decode thread start");
auto task = get_top_decode_task();
while (task != NULL)
{
if (!task->_delete_flag){
task->decoder()->begin_decode_work();
}
if (task->_delete_flag){
dsv_info("%s", "destroy a decoder in task thread");
DESTROY_QT_LATER(task);
std::this_thread::sleep_for(std::chrono::milliseconds(100));
if (!_bClose){
signals_changed();
}
}
task = get_top_decode_task();
}
dsv_info("%s", "------->decode thread end");
_bDecodeRunning = false;
}
} // namespace pv
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