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Kizarm 2024-11-10 21:33:20 +01:00
parent 2359fe5aca
commit 63813f9590
3 changed files with 73 additions and 25 deletions
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86
V203/usb/scope/software/displaywidget.cpp
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@ -20,6 +20,7 @@ static const double ChannelsSteps [] = {
};
static constexpr double REF_Y = 3.3; // maximum napětí převodníku
static constexpr double MAX_Y = double (1 << 12); // 12. bit rozlišení - 4096 steps
static constexpr double HALF_Y = 0.5 * MAX_Y;
static constexpr double STEP_Y = REF_Y / MAX_Y; // jeden krok ve Voltech
static constexpr unsigned T_SIZE = 1u << 10;
static constexpr unsigned T_MASK = T_SIZE - 1u;
@ -29,13 +30,14 @@ DisplayWidget::DisplayWidget(QWidget * p) : QWidget(p), pcol(), ACopy(), BCopy()
x_lenght = T_SIZE;
m_time.a = 200.0;
m_time.b = 300.0;
m_volt.a = 1.0 / STEP_Y;
m_volt.b = 2.0 / STEP_Y;
m_volt.a = -1.0 / STEP_Y;
m_volt.b = +1.0 / STEP_Y;
m_channels.a = ChannelsSteps[3];
m_channels.b = ChannelsSteps[3];
m_offset.a = 0.0;
m_offset.b = 0.0;
m_offset.a = 0;
m_offset.b = 0;
marker_type = MARKER_TIME;
m_TrgSource = 0;
int n = 0;
for (QPointF & e : ChA) { const QPointF p (n++, 0); e = p; }
n = 0;
@ -43,6 +45,12 @@ DisplayWidget::DisplayWidget(QWidget * p) : QWidget(p), pcol(), ACopy(), BCopy()
}
DisplayWidget::~DisplayWidget() {
}
void DisplayWidget::SendTrigerChan(int n) {
m_TrgSource = n;
drawBackground();
update();
}
void DisplayWidget::MarkerChanged (int n, bool b) {
if (!b) return;
// qDebug ("Marker : %d -> %s", n, b ? "true" : "false"); // OK
@ -90,6 +98,10 @@ void DisplayWidget::wheelEvent(QWheelEvent * event) {
m_inverse = m_forward.inverted();
}
} break;
case OFSET_A: {
} break;
case OFSET_B: {
} break;
default : {
qDebug ("wheelEvent : %d", int (m_items));
} break;
@ -101,10 +113,12 @@ void DisplayWidget::wheelEvent(QWheelEvent * event) {
void DisplayWidget::mousePressEvent(QMouseEvent * event) {
if (m_ts == nullptr) return;
const QPointF dp = m_inverse.map (event->pos ());
// qDebug ("dp:[%g, %g]", dp.x(), dp.y());
const double ofs = m_TrgSource ? m_offset.b : m_offset.a;
// qDebug ("dp:[%g, %g] %g", dp.x(), dp.y(), ofs);
switch (m_items) {
case MOVE_VALUE: {
m_ts->value = dp.y();
m_ts->value = dp.y() - ofs + HALF_Y;
// qDebug("Set Triger : %d", m_ts->value);
emit SettingsChanged (m_items);
} break;
case MOVE_OFSET: {
@ -119,6 +133,12 @@ void DisplayWidget::mousePressEvent(QMouseEvent * event) {
if (marker_type == MARKER_TIME) m_time.b = dp.x();
else m_volt.b = dp.y();
} break;
case OFSET_A: {
m_offset.a = dp.y();
} break;
case OFSET_B: {
m_offset.b = dp.y();
} break;
case TIME_ZOOM: QWidget::mousePressEvent(event); return;
default : {
qDebug ("mousePressEvent : %d", int (m_items));
@ -143,9 +163,13 @@ void DisplayWidget::paintEvent(QPaintEvent * event) {
QPen pa (pcol.colA, 2);
QPen pb (pcol.colB, 2);
p.setPen(pb);
p.drawPolyline (m_forward.map(ChB));
QMatrix mb (m_forward);
mb.translate(0, m_offset.b - HALF_Y);
p.drawPolyline (mb.map(ChB));
p.setPen(pa);
p.drawPolyline (m_forward.map(ChA));
QMatrix ma (m_forward);
ma.translate(0, m_offset.a - HALF_Y);
p.drawPolyline (ma.map(ChA));
}
void DisplayWidget::setTrigger(TrigerSettings * ts) {
m_ts = ts;
@ -189,7 +213,7 @@ void DisplayWidget::reloadMatrix(const QSize & sz) {
const double ym = sz.height();
const double xz = xm / (x_lenght); // převod zpět ma pixely
const double yz = ym / (MAX_Y);
const QMatrix tm (xz,0,0,-yz, 0, ym);
const QMatrix tm (xz,0,0,-yz, 0, 0.5 * ym);
m_forward = tm;
m_inverse = m_forward.inverted();
}
@ -213,36 +237,43 @@ void DisplayWidget::drawBackground() {
QRect r = background.rect();
p.fillRect (r, QBrush(Qt::black, Qt::SolidPattern));
if (!m_ts) return;
const double yb = 0.0, ye = MAX_Y;
const double yb = 0.0, ye = HALF_Y;
const double xb = 0.0, xe = x_lenght;
// rastr
QPen pg (QColor(64,64,64), 1);
p.setPen(pg);
const double dx = 100.0;
for (double x=xb; x<xe; x+=dx) {
const QLineF yline (x, yb, x, ye);
const QLineF yline (x, -ye, x, +ye);
p.drawLine (m_forward.map(yline));
}
const double dv = 0.5;
const double dy = dv / STEP_Y;
for (double y=yb; y<ye; y+=dy) {
const QLineF xline (xb, y, xe, y);
p.drawLine (m_forward.map(xline));
const QLineF xlinep (xb, +y, xe, +y);
p.drawLine (m_forward.map(xlinep));
const QLineF xlinem (xb, -y, xe, -y);
p.drawLine (m_forward.map(xlinem));
}
QPen pg0 (QColor(128,128,128), 2);
p.setPen(pg0);
const QLineF hline0 (xb, 0, xe, 0);
p.drawLine (m_forward.map(hline0));
// triger
QPointF trg (m_ts->offset, m_ts->value);
const double ofs = (m_TrgSource ? m_offset.b : m_offset.a) - HALF_Y;
QPointF trg (m_ts->offset, m_ts->value + ofs);
QPen pc (QColor(0,0,255), 1);
p.setPen(pc);
const QLineF hline (xb, trg.y(), xe, trg.y());
const QLineF vline (trg.x(), yb, trg.x(), ye);
const QLineF vline (trg.x(), -ye, trg.x(), ye);
p.drawLine (m_forward.map(hline));
p.drawLine (m_forward.map(vline));
// markers
QPen pm (QColor(255,255,0,196), 2);
p.setPen(pm);
if (marker_type == MARKER_TIME) {
const QLineF ma (m_time.a, yb, m_time.a, ye);
const QLineF mb (m_time.b, yb, m_time.b, ye);
const QLineF ma (m_time.a, -ye, m_time.a, ye);
const QLineF mb (m_time.b, -ye, m_time.b, ye);
p.drawLine (m_forward.map(ma));
p.drawLine (m_forward.map(mb));
} else {
@ -251,6 +282,18 @@ void DisplayWidget::drawBackground() {
p.drawLine (m_forward.map(ma));
p.drawLine (m_forward.map(mb));
}
// offsets
QPen ofpen(pcol.colA);
QVector<qreal>dashes;
dashes << 5 << 5 << 1 << 5;
ofpen.setDashPattern(dashes);
p.setPen (ofpen);
const QLineF oa (xb, m_offset.a, xe, m_offset.a);
p.drawLine (m_forward.map(oa));
ofpen.setColor(pcol.colB);
p.setPen (ofpen);
const QLineF ob (xb, m_offset.b, xe, m_offset.b);
p.drawLine (m_forward.map(ob));
// text
p.setPen (QPen (pcol.colT));
QFont font = p.font();
@ -268,13 +311,14 @@ void DisplayWidget::drawBackground() {
desc.sprintf("Marker A: %ss, Marker B: %ss, Δ=%ss, f=%sHz", ing_fmt(xz * m_time.a).c_str(), ing_fmt(xz * m_time.b).c_str(),
ing_fmt(delta).c_str(), ing_fmt(freq).c_str());
} else {
double scl = 0.0;
const double ofs = 0;// HALF_Y + (marker_type == MARKER_VOLT_A ? m_offset.a : m_offset.b);
double scl = 0.0; // TODO - ofset to text
if (marker_type == MARKER_VOLT_A) { p.setPen (QPen (pcol.colA)); scl = m_channels.a; }
else { p.setPen (QPen (pcol.colB)); scl = m_channels.b; }
// qDebug("scl = %g", scl);
//qDebug("scl = %g, a=%g, b=%g, oa=%g, ob=%g", scl, m_volt.a, m_volt.b, m_offset.a, m_offset.b);
const double yz = STEP_Y * scl;
const double delta = yz * (m_volt.b - m_volt.a);
desc.sprintf("Marker A: %sV, Marker B: %sV, Δ=%sV", ing_fmt(yz * m_volt.a).c_str(), ing_fmt(yz * m_volt.b).c_str(),
const double delta = yz * (m_volt.b - m_volt.a), va = m_volt.a + ofs, vb = m_volt.b + ofs;
desc.sprintf("Marker A: %sV, Marker B: %sV, Δ=%sV", ing_fmt(yz * va).c_str(), ing_fmt(yz * vb).c_str(),
ing_fmt(delta).c_str());
}
p.drawText(10,my, desc);

2
V203/usb/scope/software/displaywidget.h
View file

@ -28,6 +28,7 @@ class DisplayWidget : public QWidget {
MOVE_ITEMS m_items;
int m_timeBase;
int m_ChBase;
int m_TrgSource;
double x_lenght;
struct MarkSetting {
double a,b;
@ -55,6 +56,7 @@ class DisplayWidget : public QWidget {
void reloadChRange (int a, int b);
void saveSettings (QSettings & setting);
void restSettings (QSettings & setting);
void SendTrigerChan(int n);
void resizeEvent (QResizeEvent * event) override;
void paintEvent (QPaintEvent * event) override;

2
V203/usb/scope/software/mainwindow.cpp
View file

@ -91,6 +91,7 @@ void MainWindow::SetSelections(AllSettings as) {
ui->comboVB ->setCurrentIndex(as.part.bsc);
ui->Display->TimeBaseRange (as.part.tim);
ui->Display->reloadChRange (as.part.asc, as.part.bsc);
ui->Display->SendTrigerChan(as.part.trg.channel);
}
MainWindow::~MainWindow () {
@ -134,6 +135,7 @@ void MainWindow::SendTrigerEdge (int n) {
}
void MainWindow::SendTrigerChan (int n) {
firmware.SendTrigerChan (n);
ui->Display->SendTrigerChan(n);
}
void MainWindow::TimeBaseRange (int n) {
firmware.SendBaseRange(n);