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v0.3

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DreamSourceLab
2014-06-29 19:27:43 +08:00
parent a6a3024de0
commit 95f2bf8964
70 changed files with 7233 additions and 58648 deletions
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42
DSLogic-gui/pv/view/dsosignal.cpp
View File

@@ -35,21 +35,26 @@ namespace pv {
namespace view {
const QColor DsoSignal::SignalColours[4] = {
QColor(17, 133, 209, 255), // dsBlue
QColor(238, 178, 17, 255), // dsYellow
QColor(213, 15, 37, 255), // dsRed
QColor(0, 153, 37, 255) // dsGreen
QColor(238, 178, 17, 200), // dsYellow
QColor(0, 153, 37, 200), // dsGreen
QColor(213, 15, 37, 200), // dsRed
QColor(17, 133, 209, 200) // dsBlue
};
const float DsoSignal::EnvelopeThreshold = 256.0f;
DsoSignal::DsoSignal(QString name, boost::shared_ptr<data::Dso> data,
int probe_index, int order) :
int probe_index, int order, uint64_t vdiv, uint64_t timebase, bool coupling, bool active) :
Signal(name, probe_index, DS_DSO, order),
_data(data)
{
_colour = SignalColours[probe_index % countof(SignalColours)];
_scale = _signalHeight * 1.0f / 256;
_scale = _windowHeight * 1.0f / 256;
_vDial->set_value(vdiv);
_hDial->set_value(timebase);
_acCoupling = coupling;
_active = active;
}
DsoSignal::~DsoSignal()
@@ -76,28 +81,27 @@ void DsoSignal::set_scale(float scale)
}
void DsoSignal::paint(QPainter &p, int y, int left, int right, double scale,
double offset)
double offset)
{
assert(scale > 0);
assert(_data);
assert(right >= left);
//paint_axis(p, y, left, right);
const deque< boost::shared_ptr<pv::data::DsoSnapshot> > &snapshots =
_data->get_snapshots();
if (snapshots.empty())
return;
_scale = _signalHeight * 1.0f / 256;
_scale = _windowHeight * 1.0f / 256;
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot =
snapshots.front();
if ((unsigned int)get_index() >= snapshot->get_channel_num())
const uint16_t number_channels = snapshot->get_channel_num();
if ((unsigned int)get_index() >= number_channels)
return;
const double pixels_offset = offset / scale;
const double samplerate = _data->get_samplerate();
const double samplerate = _data->get_samplerate();
const double start_time = _data->get_start_time();
const int64_t last_sample = max((int64_t)(snapshot->get_sample_count() - 1), (int64_t)0);
const double samples_per_pixel = samplerate * scale;
@@ -112,7 +116,7 @@ void DsoSignal::paint(QPainter &p, int y, int left, int right, double scale,
if (samples_per_pixel < EnvelopeThreshold)
paint_trace(p, snapshot, y, left,
start_sample, end_sample,
pixels_offset, samples_per_pixel);
pixels_offset, samples_per_pixel, number_channels);
else
paint_envelope(p, snapshot, y, left,
start_sample, end_sample,
@@ -121,13 +125,13 @@ void DsoSignal::paint(QPainter &p, int y, int left, int right, double scale,
void DsoSignal::paint_trace(QPainter &p,
const boost::shared_ptr<pv::data::DsoSnapshot> &snapshot,
int y, int left, const int64_t start, const int64_t end,
const double pixels_offset, const double samples_per_pixel)
int y, int left, const int64_t start, const int64_t end,
const double pixels_offset, const double samples_per_pixel, uint64_t num_channels)
{
const int64_t sample_count = end - start;
if (sample_count > 0) {
const uint16_t *const samples = snapshot->get_samples(start, end);
const uint8_t *const samples = snapshot->get_samples(start, end, get_index());
assert(samples);
p.setPen(_colour);
@@ -136,11 +140,11 @@ void DsoSignal::paint_trace(QPainter &p,
QPointF *points = new QPointF[sample_count];
QPointF *point = points;
for (int64_t sample = start; sample != end; sample++) {
for (int64_t sample = start; sample < end; sample++) {
const float x = (sample / samples_per_pixel - pixels_offset) + left;
uint16_t offset = samples[sample - start];
uint8_t offset = samples[(sample - start)*num_channels];
*point++ = QPointF(x,
y - ((get_index() == 0) ? offset & 0x00ff : offset >> 8) * _scale);
y - offset * _scale);
}
p.drawPolyline(points, point - points);