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DSView/DSView/pv/view/dsosignal.cpp
DreamSourceLab ba34aeb95f Fix vertical scale issue after stop capturing @dso mode
2020-01-14 22:38:01 +08:00

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/*
* This file is part of the DSView project.
* DSView is based on PulseView.
*
* 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 <extdef.h>
#include <math.h>
#include "../../extdef.h"
#include "dsosignal.h"
#include "pv/data/dso.h"
#include "pv/data/dsosnapshot.h"
#include "view.h"
#include "../sigsession.h"
#include "../device/devinst.h"
#include <boost/foreach.hpp>
#include <QDebug>
#include <QTimer>
using namespace boost;
using namespace std;
namespace pv {
namespace view {
const QString DsoSignal::vDialUnit[DsoSignal::vDialUnitCount] = {
"mV",
"V",
};
const QColor DsoSignal::SignalColours[4] = {
QColor(238, 178, 17, 255), // dsYellow
QColor(0, 153, 37, 255), // dsGreen
QColor(213, 15, 37, 255), // dsRed
QColor(17, 133, 209, 255) // dsBlue
};
const float DsoSignal::EnvelopeThreshold = 256.0f;
DsoSignal::DsoSignal(boost::shared_ptr<pv::device::DevInst> dev_inst,
boost::shared_ptr<data::Dso> data,
sr_channel *probe):
Signal(dev_inst, probe),
_data(data),
_scale(0),
_en_lock(false),
_show(true),
_vDialActive(false),
_mValid(false),
_level_valid(false),
_autoV(false),
_autoH(false),
_autoV_over(false),
_auto_cnt(0),
_hover_en(false),
_hover_index(0),
_hover_point(QPointF(0, 0)),
_hover_value(0)
{
QVector<uint64_t> vValue;
QVector<QString> vUnit;
for(uint64_t i = 0; i < vDialUnitCount; i++)
vUnit.append(vDialUnit[i]);
GVariant *gvar_list, *gvar_list_vdivs;
if (sr_config_list(dev_inst->dev_inst()->driver, dev_inst->dev_inst(),
NULL, SR_CONF_PROBE_VDIV, &gvar_list) == SR_OK) {
assert(gvar_list);
if ((gvar_list_vdivs = g_variant_lookup_value(gvar_list,
"vdivs", G_VARIANT_TYPE("at")))) {
GVariant *gvar;
GVariantIter iter;
g_variant_iter_init(&iter, gvar_list_vdivs);
while(NULL != (gvar = g_variant_iter_next_value(&iter))) {
vValue.push_back(g_variant_get_uint64(gvar));
g_variant_unref(gvar);
}
g_variant_unref(gvar_list_vdivs);
g_variant_unref(gvar_list);
}
}
_vDial = new dslDial(vValue.count(), vDialValueStep, vValue, vUnit);
_colour = SignalColours[probe->index % countof(SignalColours)];
load_settings();
}
DsoSignal::~DsoSignal()
{
}
boost::shared_ptr<pv::data::SignalData> DsoSignal::data() const
{
return _data;
}
boost::shared_ptr<pv::data::Dso> DsoSignal::dso_data() const
{
return _data;
}
void DsoSignal::set_scale(int height)
{
_scale = height / (_ref_max - _ref_min) * _view->session().stop_scale();
}
float DsoSignal::get_scale()
{
return _scale;
}
uint8_t DsoSignal::get_bits()
{
return _bits;
}
double DsoSignal::get_ref_min() const
{
return _ref_min;
}
double DsoSignal::get_ref_max() const
{
return _ref_max;
}
int DsoSignal::get_name_width() const
{
return 0;
}
void DsoSignal::set_enable(bool enable)
{
if (_dev_inst->name() == "DSLogic" &&
get_index() == 0)
return;
_en_lock = true;
GVariant* gvar;
bool cur_enable;
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_EN);
if (gvar != NULL) {
cur_enable = g_variant_get_boolean(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_EN failed.";
_en_lock = false;
return;
}
if (cur_enable == enable) {
_en_lock = false;
return;
}
bool running = false;
if (_view->session().get_capture_state() == SigSession::Running) {
running = true;
_view->session().stop_capture();
}
while(_view->session().get_capture_state() == SigSession::Running)
QCoreApplication::processEvents();
set_vDialActive(false);
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_EN,
g_variant_new_boolean(enable));
_view->update_hori_res();
if (running) {
_view->session().repeat_resume();
}
_view->set_update(_viewport, true);
_view->update();
_en_lock = false;
}
bool DsoSignal::get_vDialActive() const
{
return _vDialActive;
}
void DsoSignal::set_vDialActive(bool active)
{
if (enabled())
_vDialActive = active;
}
bool DsoSignal::go_vDialPre(bool manul)
{
if (_autoV && manul)
autoV_end();
if (enabled() && !_vDial->isMin()) {
if (_view->session().get_capture_state() == SigSession::Running)
_view->session().refresh(RefreshShort);
const double pre_vdiv = _vDial->get_value();
_vDial->set_sel(_vDial->get_sel() - 1);
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_VDIV,
g_variant_new_uint64(_vDial->get_value()));
if (_view->session().get_capture_state() == SigSession::Stopped) {
_view->session().set_stop_scale(_view->session().stop_scale() * (pre_vdiv/_vDial->get_value()));
set_scale(get_view_rect().height());
}
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_OFFSET,
g_variant_new_uint16(_zero_offset));
_view->vDial_updated();
_view->set_update(_viewport, true);
_view->update();
return true;
} else {
if (_autoV && !_autoV_over)
autoV_end();
return false;
}
}
bool DsoSignal::go_vDialNext(bool manul)
{
if (_autoV && manul)
autoV_end();
if (enabled() && !_vDial->isMax()) {
if (_view->session().get_capture_state() == SigSession::Running)
_view->session().refresh(RefreshShort);
const double pre_vdiv = _vDial->get_value();
_vDial->set_sel(_vDial->get_sel() + 1);
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_VDIV,
g_variant_new_uint64(_vDial->get_value()));
if (_view->session().get_capture_state() == SigSession::Stopped) {
_view->session().set_stop_scale(_view->session().stop_scale() * (pre_vdiv/_vDial->get_value()));
set_scale(get_view_rect().height());
}
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_OFFSET,
g_variant_new_uint16(_zero_offset));
_view->vDial_updated();
_view->set_update(_viewport, true);
_view->update();
return true;
} else {
if (_autoV && !_autoV_over)
autoV_end();
return false;
}
}
bool DsoSignal::load_settings()
{
GVariant* gvar;
// -- enable
// bool enable;
// gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_EN);
// if (gvar != NULL) {
// enable = g_variant_get_boolean(gvar);
// g_variant_unref(gvar);
// } else {
// qDebug() << "ERROR: config_get SR_CONF_PROBE_EN failed.";
// return false;
// }
// dso channel bits
gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_UNIT_BITS);
if (gvar != NULL) {
_bits = g_variant_get_byte(gvar);
g_variant_unref(gvar);
} else {
_bits = DefaultBits;
qDebug("Warning: config_get SR_CONF_UNIT_BITS failed, set to %d(default).", DefaultBits);
if (strncmp(_dev_inst->name().toLocal8Bit(), "virtual", 7))
return false;
}
gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_REF_MIN);
if (gvar != NULL) {
_ref_min = g_variant_get_uint32(gvar);
g_variant_unref(gvar);
} else {
_ref_min = 1;
}
gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_REF_MAX);
if (gvar != NULL) {
_ref_max = g_variant_get_uint32(gvar);
g_variant_unref(gvar);
} else {
_ref_max = ((1 << _bits) - 1);
}
// -- vdiv
uint64_t vdiv;
uint64_t vfactor;
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_VDIV);
if (gvar != NULL) {
vdiv = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_VDIV failed.";
return false;
}
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_FACTOR);
if (gvar != NULL) {
vfactor = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_FACTOR failed.";
return false;
}
_vDial->set_value(vdiv);
_vDial->set_factor(vfactor);
// _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_VDIV,
// g_variant_new_uint64(_vDial->get_value()));
// -- coupling
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_COUPLING);
if (gvar != NULL) {
_acCoupling = g_variant_get_byte(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_COUPLING failed.";
return false;
}
// _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_COUPLING,
// g_variant_new_byte(_acCoupling));
// -- vpos
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_OFFSET);
if (gvar != NULL) {
_zero_offset = g_variant_get_uint16(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_OFFSET failed.";
return false;
}
// -- trig_value
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_TRIGGER_VALUE);
if (gvar != NULL) {
_trig_value = g_variant_get_byte(gvar);
_trig_delta = get_trig_vrate() - get_zero_ratio();
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_TRIGGER_VALUE failed.";
if (strncmp(_dev_inst->name().toLocal8Bit(), "virtual", 7))
return false;
}
if (_view) {
_view->set_update(_viewport, true);
_view->update();
}
return true;
}
int DsoSignal::commit_settings()
{
int ret;
// -- enable
ret = _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_EN,
g_variant_new_boolean(enabled()));
// -- vdiv
ret = _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_VDIV,
g_variant_new_uint64(_vDial->get_value()));
ret = _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_FACTOR,
g_variant_new_uint64(_vDial->get_factor()));
// -- coupling
ret = _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_COUPLING,
g_variant_new_byte(_acCoupling));
// -- offset
ret = _dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_OFFSET,
g_variant_new_uint16(_zero_offset));
// -- trig_value
_dev_inst->set_config(_probe, NULL, SR_CONF_TRIGGER_VALUE,
g_variant_new_byte(_trig_value));
return ret;
}
dslDial * DsoSignal::get_vDial() const
{
return _vDial;
}
uint64_t DsoSignal::get_vDialValue() const
{
return _vDial->get_value();
}
uint16_t DsoSignal::get_vDialSel() const
{
return _vDial->get_sel();
}
uint8_t DsoSignal::get_acCoupling() const
{
return _acCoupling;
}
void DsoSignal::set_acCoupling(uint8_t coupling)
{
if (enabled()) {
_acCoupling = coupling;
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_COUPLING,
g_variant_new_byte(_acCoupling));
}
}
int DsoSignal::ratio2value(double ratio) const
{
return ratio * (_ref_max - _ref_min) + _ref_min;
}
int DsoSignal::ratio2pos(double ratio) const
{
return ratio * get_view_rect().height() + get_view_rect().top();
}
double DsoSignal::value2ratio(int value) const
{
return max(0.0, (value - _ref_min) / (_ref_max - _ref_min));
}
double DsoSignal::pos2ratio(int pos) const
{
return min(max(pos - get_view_rect().top(), 0), get_view_rect().height()) * 1.0 / get_view_rect().height();
}
double DsoSignal::get_trig_vrate() const
{
if (_dev_inst->name() == "DSLogic")
return value2ratio(_trig_value - ratio2value(0.5)) + get_zero_ratio();
else
return value2ratio(_trig_value);
}
void DsoSignal::set_trig_vpos(int pos, bool delta_change)
{
assert(_view);
if (enabled()) {
set_trig_ratio(pos2ratio(pos), delta_change);
}
}
void DsoSignal::set_trig_ratio(double ratio, bool delta_change)
{
double delta = ratio;
if (_dev_inst->name() == "DSLogic") {
delta = delta - get_zero_ratio();
delta = min(delta, 0.5);
delta = max(delta, -0.5);
_trig_value = ratio2value(delta + 0.5);
} else {
_trig_value = ratio2value(delta);
}
int margin = TrigMargin;
_trig_value = std::min(std::max(_trig_value, margin), (ratio2value(1) - margin));
if (delta_change)
_trig_delta = get_trig_vrate() - get_zero_ratio();
_dev_inst->set_config(_probe, NULL, SR_CONF_TRIGGER_VALUE,
g_variant_new_byte(_trig_value));
}
int DsoSignal::get_zero_vpos() const
{
return ratio2pos(get_zero_ratio());
}
double DsoSignal::get_zero_ratio() const
{
return value2ratio(_zero_offset);
}
int DsoSignal::get_hw_offset() const
{
int hw_offset = 0;
GVariant *gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_HW_OFFSET);
if (gvar != NULL) {
hw_offset = g_variant_get_uint16(gvar);
g_variant_unref(gvar);
}
return hw_offset;
}
void DsoSignal::set_zero_vpos(int pos)
{
if (enabled()) {
set_zero_ratio(pos2ratio(pos));
set_trig_ratio(_trig_delta + get_zero_ratio(), false);
}
}
void DsoSignal::set_zero_ratio(double ratio)
{
_zero_offset = ratio2value(ratio);
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_OFFSET,
g_variant_new_uint16(_zero_offset));
}
void DsoSignal::set_factor(uint64_t factor)
{
if (enabled()) {
GVariant* gvar;
uint64_t prefactor = 0;
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_FACTOR);
if (gvar != NULL) {
prefactor = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_FACTOR failed.";
return;
}
if (prefactor != factor) {
_dev_inst->set_config(_probe, NULL, SR_CONF_PROBE_FACTOR,
g_variant_new_uint64(factor));
_vDial->set_factor(factor);
_view->set_update(_viewport, true);
_view->update();
}
}
}
uint64_t DsoSignal::get_factor()
{
GVariant* gvar;
uint64_t factor;
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_FACTOR);
if (gvar != NULL) {
factor = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
return factor;
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_FACTOR failed.";
return 1;
}
}
void DsoSignal::set_show(bool show)
{
_show = show;
}
bool DsoSignal::show() const
{
return _show;
}
void DsoSignal::set_mValid(bool valid)
{
_mValid = valid;
}
QString DsoSignal::get_measure(enum DSO_MEASURE_TYPE type)
{
const QString mNone = "--";
QString mString;
if (_mValid) {
const int hw_offset = get_hw_offset();
switch(type) {
case DSO_MS_AMPT:
if (_level_valid)
mString = get_voltage(_high - _low, 2);
else
mString = mNone;
break;
case DSO_MS_VHIG:
if (_level_valid)
mString = get_voltage(hw_offset - _low, 2);
else
mString = mNone;
break;
case DSO_MS_VLOW:
if (_level_valid)
mString = get_voltage(hw_offset - _high, 2);
else
mString = mNone;
break;
case DSO_MS_VP2P:
mString = get_voltage(_max - _min, 2);
break;
case DSO_MS_VMAX:
mString = get_voltage(hw_offset - _min, 2);
break;
case DSO_MS_VMIN:
mString = get_voltage(hw_offset - _max, 2);
break;
case DSO_MS_PERD:
mString = get_time(_period);
break;
case DSO_MS_FREQ:
mString = (abs(_period) > 1000000 ? QString::number(1000000000/_period, 'f', 2) + "Hz" :
abs(_period) > 1000 ? QString::number(1000000/_period, 'f', 2) + "kHz" : QString::number(1000/_period, 'f', 2) + "MHz");
break;
case DSO_MS_VRMS:
mString = get_voltage(_rms, 2);
break;
case DSO_MS_VMEA:
mString = get_voltage(_mean, 2);
break;
case DSO_MS_NOVR:
if (_level_valid)
mString = QString::number((_max - _high) * 100.0 / (_high - _low), 'f', 2) + "%";
else
mString = mNone;
break;
case DSO_MS_POVR:
if (_level_valid)
mString = QString::number((_low - _min) * 100.0 / (_high - _low), 'f', 2) + "%";
else
mString = mNone;
break;
case DSO_MS_PDUT:
if (_level_valid)
mString = QString::number(_high_time/_period*100, 'f', 2)+"%";
else
mString = mNone;
break;
case DSO_MS_NDUT:
if (_level_valid)
mString = QString::number(100 - _high_time/_period*100, 'f', 2)+"%";
else
mString = mNone;
break;
case DSO_MS_PWDT:
if (_level_valid)
mString = get_time(_high_time);
else
mString = mNone;
break;
case DSO_MS_NWDT:
if (_level_valid)
mString = get_time(_period - _high_time);
else
mString = mNone;
break;
case DSO_MS_RISE:
if (_level_valid)
mString = get_time(_rise_time);
else
mString = mNone;
break;
case DSO_MS_FALL:
if (_level_valid)
mString = get_time(_fall_time);
else
mString = mNone;
break;
case DSO_MS_BRST:
if (_level_valid)
mString = get_time(_burst_time);
else
mString = mNone;
break;
case DSO_MS_PCNT:
if (_level_valid)
mString = (_pcount > 1000000 ? QString::number(_pcount/1000000, 'f', 6) + "M" :
_pcount > 1000 ? QString::number(_pcount/1000, 'f', 3) + "K" : QString::number(_pcount, 'f', 0));
else
mString = mNone;
break;
default:
mString = "Error";
break;
}
} else {
mString = mNone;
}
return mString;
}
QRect DsoSignal::get_view_rect() const
{
assert(_viewport);
return QRect(0, UpMargin,
_viewport->width() - RightMargin,
_viewport->height() - UpMargin - DownMargin);
}
void DsoSignal::paint_prepare()
{
assert(_view);
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if (snapshot->empty())
return;
if (!snapshot->has_data(get_index()))
return;
const uint16_t enabled_channels = snapshot->get_channel_num();
if (_view->session().trigd()) {
if (get_index() == _view->session().trigd_ch()) {
uint8_t slope = DSO_TRIGGER_RISING;
GVariant *gvar = _view->session().get_device()->get_config(NULL, NULL, SR_CONF_TRIGGER_SLOPE);
if (gvar != NULL) {
slope = g_variant_get_byte(gvar);
g_variant_unref(gvar);
}
int64_t trig_index = _view->get_trig_cursor()->index();
if (trig_index >= (int64_t)snapshot->get_sample_count())
return;
const uint8_t *const trig_samples = snapshot->get_samples(0, 0, get_index());
for (uint16_t i = 0; i < TrigHRng; i++) {
const int64_t i0 = (trig_index - i - 1)*enabled_channels;
const int64_t i1 = (trig_index - i)*enabled_channels;
if (i1 < 0)
break;
const uint8_t t0 = trig_samples[i0];
const uint8_t t1 = trig_samples[i1];
if((slope == DSO_TRIGGER_RISING && t0 >= _trig_value && t1 <= _trig_value) ||
(slope == DSO_TRIGGER_FALLING && t0 <= _trig_value && t1 >= _trig_value)) {
const double xoff = (t1 == t0) ? 0 : (_trig_value - t0) * 1.0 / (t1 - t0);
_view->set_trig_hoff(i + 1 - xoff);
break;
}
}
}
//if (_view->trig_hoff() == 0 && trig_samples[3] != _trig_value)
// _view->set_trig_hoff(0);
} else {
_view->set_trig_hoff(0);
}
}
void DsoSignal::paint_back(QPainter &p, int left, int right, QColor fore, QColor back)
{
assert(_view);
if (!_show)
return;
int i, j;
const int height = get_view_rect().height();
const int width = right - left;
fore.setAlpha(View::BackAlpha);
QPen solidPen(fore);
solidPen.setStyle(Qt::SolidLine);
p.setPen(solidPen);
p.setBrush(back.black() > 0x80 ? back.darker() : back.lighter());
p.drawRect(left, UpMargin, width, height);
// draw zoom region
fore.setAlpha(View::ForeAlpha);
p.setPen(fore);
const uint64_t sample_len = _view->session().cur_samplelimits();
const double samplerate = _view->session().cur_snap_samplerate();
const double samples_per_pixel = samplerate * _view->scale();
const double shown_rate = min(samples_per_pixel * width * 1.0 / sample_len, 1.0);
const double start = _view->offset() * samples_per_pixel;
const double shown_offset = min(start / sample_len, 1.0) * width;
const double shown_len = max(shown_rate * width, 6.0);
const QPointF left_edge[] = {QPoint(shown_offset + 3, UpMargin/2 - 6),
QPoint(shown_offset, UpMargin/2 - 6),
QPoint(shown_offset, UpMargin/2 + 6),
QPoint(shown_offset + 3, UpMargin/2 + 6)};
const QPointF right_edge[] = {QPoint(shown_offset + shown_len - 3, UpMargin/2 - 6),
QPoint(shown_offset + shown_len , UpMargin/2 - 6),
QPoint(shown_offset + shown_len , UpMargin/2 + 6),
QPoint(shown_offset + shown_len - 3, UpMargin/2 + 6)};
p.drawLine(left, UpMargin/2, shown_offset, UpMargin/2);
p.drawLine(shown_offset + shown_len, UpMargin/2, left + width, UpMargin/2);
p.drawPolyline(left_edge, countof(left_edge));
p.drawPolyline(right_edge, countof(right_edge));
p.setBrush(fore);
p.drawRect(shown_offset, UpMargin/2 - 3, shown_len, 6);
// draw divider
fore.setAlpha(View::BackAlpha);
QPen dashPen(fore);
dashPen.setStyle(Qt::DashLine);
p.setPen(dashPen);
const double spanY =height * 1.0 / DS_CONF_DSO_VDIVS;
for (i = 1; i <= DS_CONF_DSO_VDIVS; i++) {
const double posY = spanY * i + UpMargin;
if (i != DS_CONF_DSO_VDIVS)
p.drawLine(left, posY, right, posY);
const double miniSpanY = spanY / 5;
for (j = 1; j < 5; j++) {
p.drawLine(width / 2.0f - 5, posY - miniSpanY * j,
width / 2.0f + 5, posY - miniSpanY * j);
}
}
const double spanX = width * 1.0 / DS_CONF_DSO_HDIVS;
for (i = 1; i <= DS_CONF_DSO_HDIVS; i++) {
const double posX = spanX * i;
if (i != DS_CONF_DSO_HDIVS)
p.drawLine(posX, UpMargin,posX, height + UpMargin);
const double miniSpanX = spanX / 5;
for (j = 1; j < 5; j++) {
p.drawLine(posX - miniSpanX * j, height / 2.0f + UpMargin - 5,
posX - miniSpanX * j, height / 2.0f + UpMargin + 5);
}
}
_view->set_back(true);
}
void DsoSignal::paint_mid(QPainter &p, int left, int right, QColor fore, QColor back)
{
(void)fore;
(void)back;
if (!_show)
return;
assert(_data);
assert(_view);
assert(right >= left);
if (enabled()) {
const int index = get_index();
const int width = right - left;
const float zeroY = get_zero_vpos();
const double scale = _view->scale();
assert(scale > 0);
const int64_t offset = _view->offset();
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if (snapshot->empty())
return;
if (!snapshot->has_data(index))
return;
const uint16_t enabled_channels = snapshot->get_channel_num();
const double pixels_offset = offset;
const double samplerate = _data->samplerate();
//const double samplerate = _dev_inst->get_sample_rate();
//const double samplerate = _view->session().cur_snap_samplerate();
const int64_t last_sample = max((int64_t)(snapshot->get_sample_count() - 1), (int64_t)0);
const double samples_per_pixel = samplerate * scale;
const double start = offset * samples_per_pixel - _view->trig_hoff();
const double end = start + samples_per_pixel * width;
const int64_t start_sample = min(max((int64_t)floor(start),
(int64_t)0), last_sample);
const int64_t end_sample = min(max((int64_t)ceil(end) + 1,
(int64_t)0), last_sample);
const int hw_offset = get_hw_offset();
if (samples_per_pixel < EnvelopeThreshold) {
snapshot->enable_envelope(false);
paint_trace(p, snapshot, zeroY, left,
start_sample, end_sample, hw_offset,
pixels_offset, samples_per_pixel, enabled_channels);
} else {
snapshot->enable_envelope(true);
paint_envelope(p, snapshot, zeroY, left,
start_sample, end_sample, hw_offset,
pixels_offset, samples_per_pixel, enabled_channels);
}
sr_status status;
if (sr_status_get(_dev_inst->dev_inst(), &status, false) == SR_OK) {
_mValid = true;
if (status.measure_valid) {
_min = (index == 0) ? status.ch0_min : status.ch1_min;
_max = (index == 0) ? status.ch0_max : status.ch1_max;
_level_valid = (index == 0) ? status.ch0_level_valid : status.ch1_level_valid;
_low = (index == 0) ? status.ch0_low_level : status.ch1_low_level;
_high = (index == 0) ? status.ch0_high_level : status.ch1_high_level;
const uint32_t count = (index == 0) ? status.ch0_cyc_cnt : status.ch1_cyc_cnt;
const bool plevel = (index == 0) ? status.ch0_plevel : status.ch1_plevel;
const bool startXORend = (index == 0) ? (status.ch0_cyc_llen == 0) : (status.ch1_cyc_llen == 0);
const uint16_t total_channels = g_slist_length(_dev_inst->dev_inst()->channels);
const double tfactor = (total_channels / enabled_channels) * SR_GHZ(1) * 1.0 / samplerate;
double samples = (index == 0) ? status.ch0_cyc_tlen : status.ch1_cyc_tlen;
_period = ((count == 0) ? 0 : samples / count) * tfactor;
samples = (index == 0) ? status.ch0_cyc_flen : status.ch1_cyc_flen;
_rise_time = ((count == 0) ? 0 : samples / ((plevel && startXORend) ? count : count + 1)) * tfactor;
samples = (index == 0) ? status.ch0_cyc_rlen : status.ch1_cyc_rlen;
_fall_time = ((count == 0) ? 0 : samples / ((!plevel && startXORend) ? count : count + 1)) * tfactor;
samples = (index == 0) ? (status.ch0_plevel ? status.ch0_cyc_plen - status.ch0_cyc_llen :
status.ch0_cyc_tlen - status.ch0_cyc_plen + status.ch0_cyc_llen) :
(status.ch1_plevel ? status.ch1_cyc_plen - status.ch1_cyc_llen :
status.ch1_cyc_tlen - status.ch1_cyc_plen + status.ch1_cyc_llen);
_high_time = ((count == 0) ? 0 : samples / count) * tfactor;
samples = (index == 0) ? status.ch0_cyc_tlen + status.ch0_cyc_llen : status.ch1_cyc_flen + status.ch1_cyc_llen;
_burst_time = samples * tfactor;
_pcount = count + (plevel & !startXORend);
_rms = (index == 0) ? status.ch0_acc_square : status.ch1_acc_square;
_rms = sqrt(_rms / snapshot->get_sample_count());
_mean = (index == 0) ? status.ch0_acc_mean : status.ch1_acc_mean;
_mean = hw_offset - _mean / snapshot->get_sample_count();
}
}
}
}
void DsoSignal::paint_fore(QPainter &p, int left, int right, QColor fore, QColor back)
{
if (!_show)
return;
assert(_view);
fore.setAlpha(View::BackAlpha);
QPen pen(fore);
pen.setStyle(Qt::DotLine);
p.setPen(pen);
p.drawLine(left, get_zero_vpos(), right, get_zero_vpos());
fore.setAlpha(View::ForeAlpha);
if(enabled()) {
const QPointF mouse_point = _view->hover_point();
const QRectF label_rect = get_trig_rect(left, right);
const bool hover = label_rect.contains(mouse_point);
// Paint the trig line
const QPointF points[] = {
QPointF(right, ratio2pos(get_trig_vrate())),
label_rect.topLeft(),
label_rect.topRight(),
label_rect.bottomRight(),
label_rect.bottomLeft()
};
p.setPen(Qt::transparent);
p.setBrush(_colour);
p.drawPolygon(points, countof(points));
p.setPen(fore);
const QPointF arrow_points[] = {
QPoint(label_rect.left(), label_rect.center().y()),
QPoint(label_rect.left(), label_rect.center().y()-1),
QPoint(label_rect.left(), label_rect.center().y()+1),
QPoint(label_rect.left(), label_rect.center().y()-2),
QPoint(label_rect.left(), label_rect.center().y()+2),
QPoint(label_rect.left(), label_rect.center().y()-3),
QPoint(label_rect.left(), label_rect.center().y()+3),
QPoint(label_rect.left(), label_rect.center().y()-4),
QPoint(label_rect.left(), label_rect.center().y()+4),
QPoint(label_rect.left()-1, label_rect.center().y()-3),
QPoint(label_rect.left()-1, label_rect.center().y()+3),
QPoint(label_rect.left()+1, label_rect.center().y()-3),
QPoint(label_rect.left()+1, label_rect.center().y()+3),
QPoint(label_rect.left()-1, label_rect.center().y()-2),
QPoint(label_rect.left()-1, label_rect.center().y()+2),
QPoint(label_rect.left()+1, label_rect.center().y()-2),
QPoint(label_rect.left()+1, label_rect.center().y()+2),
QPoint(label_rect.left()-2, label_rect.center().y()-2),
QPoint(label_rect.left()-2, label_rect.center().y()+2),
QPoint(label_rect.left()+2, label_rect.center().y()-2),
QPoint(label_rect.left()+2, label_rect.center().y()+2),
};
if (hover || selected())
p.drawPoints(arrow_points, countof(arrow_points));
// paint the trig voltage
int trigp = ratio2pos(get_trig_vrate());
QString t_vol_s = get_voltage(get_zero_vpos() - trigp, 2, true);
int vol_width = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, t_vol_s).width();
const QRectF t_vol_rect = QRectF(right-vol_width, trigp-10, vol_width, 20);
p.setPen(fore);
p.drawText(t_vol_rect, Qt::AlignRight | Qt::AlignVCenter, t_vol_s);
// paint the _trig_vpos line
if (_view->get_dso_trig_moved()) {
p.setPen(QPen(_colour, 1, Qt::DotLine));
p.drawLine(left, trigp, right - p.boundingRect(t_vol_rect, Qt::AlignLeft, t_vol_s).width(), trigp);
}
// Paint the text
p.setPen(fore);
p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, "T");
// Paint measure
if (_view->session().get_capture_state() == SigSession::Stopped)
paint_hover_measure(p, fore, back);
// autoset
auto_set();
}
}
QRectF DsoSignal::get_trig_rect(int left, int right) const
{
(void)left;
return QRectF(right + SquareWidth / 2,
ratio2pos(get_trig_vrate()) - SquareWidth / 2,
SquareWidth, SquareWidth);
}
void DsoSignal::paint_trace(QPainter &p,
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot,
int zeroY, int left, const int64_t start, const int64_t end, int hw_offset,
const double pixels_offset, const double samples_per_pixel, uint64_t num_channels)
{
const int64_t sample_count = end - start + 1;
if (sample_count > 0) {
const uint8_t *const samples = snapshot->get_samples(start, end, get_index());
assert(samples);
QColor trace_colour = _colour;
trace_colour.setAlpha(View::ForeAlpha);
p.setPen(trace_colour);
QPointF *points = new QPointF[sample_count];
QPointF *point = points;
float top = get_view_rect().top();
float bottom = get_view_rect().bottom();
double pixels_per_sample = 1.0/samples_per_pixel;
uint8_t value;
int64_t sample_end = sample_count*num_channels;
float x = (start / samples_per_pixel - pixels_offset) + left + _view->trig_hoff()*pixels_per_sample;
for (int64_t sample = 0; sample < sample_end; sample+=num_channels) {
value = samples[sample];
const float y = min(max(top, zeroY + (value - hw_offset) * _scale), bottom);
*point++ = QPointF(x, y);
x += pixels_per_sample;
}
p.drawPolyline(points, point - points);
p.eraseRect(get_view_rect().right()+1, get_view_rect().top(),
_view->viewport()->width() - get_view_rect().width(), get_view_rect().height());
delete[] points;
}
}
void DsoSignal::paint_envelope(QPainter &p,
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot,
int zeroY, int left, const int64_t start, const int64_t end, int hw_offset,
const double pixels_offset, const double samples_per_pixel, uint64_t num_channels)
{
using namespace Qt;
using pv::data::DsoSnapshot;
DsoSnapshot::EnvelopeSection e;
const uint16_t index = get_index() % num_channels;
snapshot->get_envelope_section(e, start, end, samples_per_pixel, index);
if (e.length < 2)
return;
p.setPen(QPen(NoPen));
//p.setPen(QPen(_colour, 2, Qt::SolidLine));
QColor envelope_colour = _colour;
envelope_colour.setAlpha(View::ForeAlpha);
p.setBrush(envelope_colour);
QRectF *const rects = new QRectF[e.length];
QRectF *rect = rects;
float top = get_view_rect().top();
float bottom = get_view_rect().bottom();
for(uint64_t sample = 0; sample < e.length-1; sample++) {
const float x = ((e.scale * sample + e.start) /
samples_per_pixel - pixels_offset) + left + _view->trig_hoff()/samples_per_pixel;
const DsoSnapshot::EnvelopeSample *const s =
e.samples + sample;
// We overlap this sample with the next so that vertical
// gaps do not appear during steep rising or falling edges
const float b = min(max(top, ((max(s->max, (s+1)->min) - hw_offset) * _scale + zeroY)), bottom);
const float t = min(max(top, ((min(s->min, (s+1)->max) - hw_offset) * _scale + zeroY)), bottom);
float h = b - t;
if(h >= 0.0f && h <= 1.0f)
h = 1.0f;
if(h <= 0.0f && h >= -1.0f)
h = -1.0f;
*rect++ = QRectF(x, t, 1.0f, h);
}
p.drawRects(rects, e.length);
delete[] rects;
//delete[] e.samples;
}
void DsoSignal::paint_type_options(QPainter &p, int right, const QPoint pt, QColor fore)
{
p.setRenderHint(QPainter::Antialiasing, true);
QColor foreBack = fore;
foreBack.setAlpha(View::BackAlpha);
int y = get_y();
const QRectF vDial_rect = get_rect(DSO_VDIAL, y, right);
const QRectF x1_rect = get_rect(DSO_X1, y, right);
const QRectF x10_rect = get_rect(DSO_X10, y, right);
const QRectF x100_rect = get_rect(DSO_X100, y, right);
const QRectF acdc_rect = get_rect(DSO_ACDC, y, right);
const QRectF chEn_rect = get_rect(DSO_CHEN, y, right);
const QRectF auto_rect = get_rect(DSO_AUTO, y, right);
QString pText;
_vDial->paint(p, vDial_rect, _colour, pt, pText);
QFontMetrics fm(p.font());
const QRectF valueRect = QRectF(chEn_rect.left(), vDial_rect.top()-fm.height()-10, right, fm.height());
p.drawText(valueRect, Qt::AlignCenter, pText);
const char *strings[6] = {
QT_TR_NOOP("EN"),
QT_TR_NOOP("DIS"),
QT_TR_NOOP("GND"),
QT_TR_NOOP("DC"),
QT_TR_NOOP("AC"),
QT_TR_NOOP("AUTO"),
};
p.setPen(Qt::transparent);
p.setBrush(chEn_rect.contains(pt) ? _colour.darker() : _colour);
p.drawRect(chEn_rect);
p.setPen(Qt::white);
p.drawText(chEn_rect, Qt::AlignCenter | Qt::AlignVCenter, enabled() ? tr(strings[0]) : tr(strings[1]));
p.setPen(Qt::transparent);
p.setBrush(enabled() ? (acdc_rect.contains(pt) ? _colour.darker() : _colour) : foreBack);
p.drawRect(acdc_rect);
p.setPen(Qt::white);
p.drawText(acdc_rect, Qt::AlignCenter | Qt::AlignVCenter, (_acCoupling == SR_GND_COUPLING) ? tr(strings[2]):
(_acCoupling == SR_DC_COUPLING) ? tr(strings[3]) : tr(strings[4]));
if (!_dev_inst->name().contains("virtual")) {
p.setPen(Qt::transparent);
p.setBrush(enabled() ? (auto_rect.contains(pt) ? _colour.darker() : _colour) : foreBack);
p.drawRect(auto_rect);
p.setPen(Qt::white);
p.drawText(auto_rect, Qt::AlignCenter | Qt::AlignVCenter, tr(strings[5]));
}
// paint the probe factor selector
GVariant* gvar;
uint64_t factor;
gvar = _dev_inst->get_config(_probe, NULL, SR_CONF_PROBE_FACTOR);
if (gvar != NULL) {
factor = g_variant_get_uint64(gvar);
g_variant_unref(gvar);
} else {
qDebug() << "ERROR: config_get SR_CONF_PROBE_FACTOR failed.";
return;
}
p.setPen(Qt::transparent);
p.setBrush((enabled() && (factor == 100)) ? (x100_rect.contains(pt) ? _colour.darker() : _colour) : (x100_rect.contains(pt) ? _colour.darker() : foreBack));
p.drawRect(x100_rect);
p.setBrush((enabled() && (factor == 10)) ? (x10_rect.contains(pt) ? _colour.darker() : _colour) : (x10_rect.contains(pt) ? _colour.darker() : foreBack));
p.drawRect(x10_rect);
p.setBrush((enabled() && (factor == 1)) ? (x1_rect.contains(pt) ? _colour.darker() : _colour) : (x1_rect.contains(pt) ? _colour.darker() : foreBack));
p.drawRect(x1_rect);
p.setPen(Qt::white);
p.drawText(x100_rect, Qt::AlignCenter | Qt::AlignVCenter, "x100");
p.drawText(x10_rect, Qt::AlignCenter | Qt::AlignVCenter, "x10");
p.drawText(x1_rect, Qt::AlignCenter | Qt::AlignVCenter, "x1");
p.setRenderHint(QPainter::Antialiasing, false);
}
bool DsoSignal::mouse_press(int right, const QPoint pt)
{
int y = get_y();
const QRectF vDial_rect = get_rect(DSO_VDIAL, y, right);
const QRectF chEn_rect = get_rect(DSO_CHEN, y, right);
const QRectF acdc_rect = get_rect(DSO_ACDC, y, right);
const QRectF auto_rect = get_rect(DSO_AUTO, y, right);
const QRectF x1_rect = get_rect(DSO_X1, y, right);
const QRectF x10_rect = get_rect(DSO_X10, y, right);
const QRectF x100_rect = get_rect(DSO_X100, y, right);
if (chEn_rect.contains(pt)) {
if (_dev_inst->name() != "virtual-session" &&
!_en_lock) {
set_enable(!enabled());
}
return true;
} else if (enabled()) {
if (vDial_rect.contains(pt) && pt.x() > vDial_rect.center().x()) {
if (pt.y() > vDial_rect.center().y())
go_vDialNext(true);
else
go_vDialPre(true);
} else if (_dev_inst->name() != "virtual-session" &&
acdc_rect.contains(pt)) {
if (_dev_inst->name() == "DSLogic")
set_acCoupling((get_acCoupling()+1)%2);
else
set_acCoupling((get_acCoupling()+1)%2);
} else if (auto_rect.contains(pt)) {
if (!_dev_inst->name().contains("virtual"))
auto_start();
} else if (x1_rect.contains(pt)) {
set_factor(1);
} else if (x10_rect.contains(pt)) {
set_factor(10);
} else if (x100_rect.contains(pt)) {
set_factor(100);
} else {
return false;
}
return true;
}
return false;
}
bool DsoSignal::mouse_wheel(int right, const QPoint pt, const int shift)
{
int y = get_y();
const QRectF vDial_rect = get_rect(DSO_VDIAL, y, right);
if (vDial_rect.contains(pt)) {
if (shift > 0.5)
go_vDialPre(true);
else if (shift < -0.5)
go_vDialNext(true);
return true;
} else {
return false;
}
return true;
}
QRectF DsoSignal::get_rect(DsoSetRegions type, int y, int right)
{
(void)right;
if (type == DSO_VDIAL)
return QRectF(
get_leftWidth() + SquareWidth*0.5 + Margin,
y - SquareWidth * SquareNum + SquareWidth * 3,
SquareWidth * (SquareNum-1), SquareWidth * (SquareNum-1));
else if (type == DSO_X1)
return QRectF(
get_leftWidth() + SquareWidth*0.5,
y - SquareWidth * 2 - SquareWidth * (SquareNum-2) * 1 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else if (type == DSO_X10)
return QRectF(
get_leftWidth() + SquareWidth*0.5,
y - SquareWidth * 2 - SquareWidth * (SquareNum-2) * 0.5 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else if (type == DSO_X100)
return QRectF(
get_leftWidth() + SquareWidth*0.5,
y - SquareWidth * 2 - SquareWidth * (SquareNum-2) * 0 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else if (type == DSO_CHEN)
return QRectF(
2,
y - SquareWidth / 2 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else if (type == DSO_ACDC)
return QRectF(
2+SquareWidth*1.75 + Margin,
y - SquareWidth / 2 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else if (type == DSO_AUTO)
return QRectF(
2+SquareWidth*3.5 + Margin*2,
y - SquareWidth / 2 + SquareWidth * 3,
SquareWidth * 1.75, SquareWidth);
else
return QRectF(0, 0, 0, 0);
}
void DsoSignal::paint_hover_measure(QPainter &p, QColor fore, QColor back)
{
const int hw_offset = get_hw_offset();
// Hover measure
if (_hover_en) {
QString hover_str = get_voltage(hw_offset - _hover_value, 2);
const int hover_width = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, hover_str).width() + 10;
const int hover_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, hover_str).height();
QRectF hover_rect(_hover_point.x(), _hover_point.y()-hover_height/2, hover_width, hover_height);
if (hover_rect.right() > get_view_rect().right())
hover_rect.moveRight(_hover_point.x());
if (hover_rect.top() < get_view_rect().top())
hover_rect.moveTop(_hover_point.y());
if (hover_rect.bottom() > get_view_rect().bottom())
hover_rect.moveBottom(_hover_point.y());
p.setPen(fore);
p.setBrush(back);
p.drawRect(_hover_point.x()-1, _hover_point.y()-1, HoverPointSize, HoverPointSize);
p.drawText(hover_rect, Qt::AlignCenter | Qt::AlignTop | Qt::TextDontClip, hover_str);
}
list<Cursor*>::iterator i = _view->get_cursorList().begin();
while (i != _view->get_cursorList().end()) {
float pt_value;
const QPointF pt = get_point((*i)->index(), pt_value);
QString pt_str = get_voltage(hw_offset - pt_value, 2);
const int pt_width = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, pt_str).width() + 10;
const int pt_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
Qt::AlignLeft | Qt::AlignTop, pt_str).height();
QRectF pt_rect(pt.x(), pt.y()-pt_height/2, pt_width, pt_height);
if (pt_rect.right() > get_view_rect().right())
pt_rect.moveRight(pt.x());
if (pt_rect.top() < get_view_rect().top())
pt_rect.moveTop(pt.y());
if (pt_rect.bottom() > get_view_rect().bottom())
pt_rect.moveBottom(pt.y());
p.drawRect(pt.x()-1, pt.y()-1, 2, 2);
p.drawLine(pt.x()-2, pt.y()-2, pt.x()+2, pt.y()+2);
p.drawLine(pt.x()+2, pt.y()-2, pt.x()-2, pt.y()+2);
p.drawText(pt_rect, Qt::AlignCenter | Qt::AlignTop | Qt::TextDontClip, pt_str);
i++;
}
}
void DsoSignal::auto_set()
{
if (_view->session().get_capture_state() == SigSession::Stopped) {
if (_autoV)
autoV_end();
if (_autoH)
autoH_end();
} else {
if (_autoH && _autoV && get_zero_ratio() != 0.5) {
set_zero_ratio(0.5);
}
if (_mValid && !_view->session().get_data_auto_lock()) {
if (_autoH) {
bool roll = false;
GVariant *gvar = _dev_inst->get_config(NULL, NULL, SR_CONF_ROLL);
if (gvar != NULL) {
roll = g_variant_get_boolean(gvar);
g_variant_unref(gvar);
}
const double hori_res = _view->get_hori_res();
if (_level_valid && ((!roll && _pcount < 3) || _period > 4*hori_res)) {
_view->zoom(-1);
} else if (_level_valid && _pcount > 6 && _period < 1.5*hori_res) {
_view->zoom(1);
} else if (_level_valid) {
autoH_end();
}
}
if (_autoV) {
const bool over_flag = _max == 0xff || _min == 0x0;
const bool out_flag = _max >= 0xE0 || _min <= 0x20;
const bool under_flag = _max <= 0xA0 && _min >= 0x60;
if (over_flag) {
if (!_autoV_over)
_auto_cnt = 0;
_autoV_over = true;
go_vDialNext(false);
} else if (out_flag) {
go_vDialNext(false);
} else if (!_autoV_over && under_flag) {
go_vDialPre(false);
} else if (!_autoH) {
autoV_end();
}
if (_autoV_over && under_flag) {
if (_auto_cnt++ > 16)
_autoV_over = false;
} else {
_auto_cnt = 0;
}
if (_level_valid) {
_trig_value = (_min+_max)/2;
set_trig_vpos(ratio2pos(get_trig_vrate()));
}
}
if (_autoH || _autoV)
_view->session().data_auto_lock(AutoLock);
}
}
}
void DsoSignal::autoV_end()
{
_autoV = false;
_autoV_over = false;
_view->auto_trig(get_index());
_trig_value = (_min+_max)/2;
set_trig_vpos(ratio2pos(get_trig_vrate()));
_view->set_update(_viewport, true);
_view->update();
}
void DsoSignal::autoH_end()
{
_autoH = false;
_view->set_update(_viewport, true);
_view->update();
}
void DsoSignal::auto_end()
{
if (_autoV)
autoV_end();
if (_autoH)
autoH_end();
}
void DsoSignal::auto_start()
{
if (_autoV || _autoH)
return;
if (_view->session().get_capture_state() == SigSession::Running) {
_view->session().data_auto_lock(AutoLock);
_autoV = true;
_autoH = true;
_view->auto_trig(get_index());
QTimer::singleShot(AutoTime, &_view->session(), SLOT(auto_end()));
}
}
bool DsoSignal::measure(const QPointF &p)
{
_hover_en = false;
if (!enabled() || !show())
return false;
if (_view->session().get_capture_state() != SigSession::Stopped)
return false;
const QRectF window = get_view_rect();
if (!window.contains(p))
return false;
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return false;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if (snapshot->empty())
return false;
_hover_index = _view->pixel2index(p.x());
if (_hover_index >= snapshot->get_sample_count())
return false;
_hover_point = get_point(_hover_index, _hover_value);
_hover_en = true;
return true;
}
bool DsoSignal::get_hover(uint64_t &index, QPointF &p, double &value)
{
if (_hover_en) {
index = _hover_index;
p = _hover_point;
value = _hover_value;
return true;
}
return false;
}
QPointF DsoSignal::get_point(uint64_t index, float &value)
{
QPointF pt = QPointF(0, 0);
if (!enabled())
return pt;
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return pt;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if (snapshot->empty())
return pt;
if (index >= snapshot->get_sample_count())
return pt;
value = *snapshot->get_samples(index, index, get_index());
const float top = get_view_rect().top();
const float bottom = get_view_rect().bottom();
const int hw_offset = get_hw_offset();
const float x = _view->index2pixel(index);
const float y = min(max(top, get_zero_vpos() + (value - hw_offset)* _scale), bottom);
pt = QPointF(x, y);
return pt;
}
double DsoSignal::get_voltage(uint64_t index)
{
if (!enabled())
return 1;
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return 1;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if (snapshot->empty())
return 1;
if (index >= snapshot->get_sample_count())
return 1;
const double value = *snapshot->get_samples(index, index, get_index());
const int hw_offset = get_hw_offset();
return (hw_offset - value) * _scale *
_vDial->get_value() * _vDial->get_factor() *
DS_CONF_DSO_VDIVS / get_view_rect().height();
}
QString DsoSignal::get_voltage(double v, int p, bool scaled)
{
if (scaled)
v = v * _vDial->get_value() * _vDial->get_factor() * DS_CONF_DSO_VDIVS / get_view_rect().height();
else
v = v * _scale * _vDial->get_value() * _vDial->get_factor() * DS_CONF_DSO_VDIVS / get_view_rect().height();
return abs(v) >= 1000 ? QString::number(v/1000.0, 'f', p) + "V" : QString::number(v, 'f', p) + "mV";
}
QString DsoSignal::get_time(double t)
{
QString str = (abs(t) > 1000000000 ? QString::number(t/1000000000, 'f', 2) + "S" :
abs(t) > 1000000 ? QString::number(t/1000000, 'f', 2) + "mS" :
abs(t) > 1000 ? QString::number(t/1000, 'f', 2) + "uS" : QString::number(t, 'f', 2) + "nS");
return str;
}
} // namespace view
} // namespace pv
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