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sdrangel/plugins/samplesource/v4l-rtl/v4lgui.cpp
2015-03-31 18:46:29 +01:00

146 lines
3.0 KiB
C++

#include "v4lgui.h"
#include "ui_v4lgui.h"
#include "plugin/pluginapi.h"
V4LGui::V4LGui(PluginAPI* pluginAPI, QWidget* parent) :
QWidget(parent),
ui(new Ui::V4LGui),
m_pluginAPI(pluginAPI),
m_settings(),
m_sampleSource(NULL)
{
ui->setupUi(this);
ui->centerFrequency->setValueRange(7, 20000U, 2200000U);
connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
displaySettings();
m_sampleSource = new V4LInput(m_pluginAPI->getMainWindowMessageQueue());
m_pluginAPI->setSampleSource(m_sampleSource);
}
V4LGui::~V4LGui()
{
delete ui;
}
void V4LGui::destroy()
{
delete this;
}
void V4LGui::setName(const QString& name)
{
setObjectName(name);
}
void V4LGui::resetToDefaults()
{
m_generalSettings.resetToDefaults();
m_settings.resetToDefaults();
displaySettings();
sendSettings();
}
QByteArray V4LGui::serializeGeneral() const
{
return m_generalSettings.serialize();
}
bool V4LGui::deserializeGeneral(const QByteArray&data)
{
if(m_generalSettings.deserialize(data)) {
displaySettings();
sendSettings();
return true;
} else {
resetToDefaults();
return false;
}
}
quint64 V4LGui::getCenterFrequency() const
{
return m_generalSettings.m_centerFrequency;
}
QByteArray V4LGui::serialize() const
{
return m_settings.serialize();
}
bool V4LGui::deserialize(const QByteArray& data)
{
if(m_settings.deserialize(data)) {
displaySettings();
sendSettings();
return true;
} else {
resetToDefaults();
return false;
}
}
bool V4LGui::handleMessage(Message* message)
{
if(V4LInput::MsgReportV4L::match(message)) {
m_gains = ((V4LInput::MsgReportV4L*)message)->getGains();
displaySettings();
message->completed();
return true;
} else {
return false;
}
}
void V4LGui::displaySettings()
{
ui->centerFrequency->setValue(m_generalSettings.m_centerFrequency / 1000);
if(m_gains.size() > 0) {
int dist = abs(m_settings.m_gain - m_gains[0]);
int pos = 0;
for(uint i = 1; i < m_gains.size(); i++) {
if(abs(m_settings.m_gain - m_gains[i]) < dist) {
dist = abs(m_settings.m_gain - m_gains[i]);
pos = i;
}
}
ui->gainText->setText(tr("%1.%2").arg(m_gains[pos] / 10).arg(abs(m_gains[pos] % 10)));
ui->gain->setMaximum(m_gains.size() - 1);
ui->gain->setEnabled(true);
ui->gain->setValue(pos);
} else {
ui->gain->setMaximum(0);
ui->gain->setEnabled(false);
ui->gain->setValue(0);
}
}
void V4LGui::sendSettings()
{
if(!m_updateTimer.isActive())
m_updateTimer.start(100);
}
void V4LGui::on_centerFrequency_changed(quint64 value)
{
m_generalSettings.m_centerFrequency = value * 1000;
sendSettings();
}
void V4LGui::on_gain_valueChanged(int value)
{
if(value > (int)m_gains.size())
return;
int gain = m_gains[value];
ui->gainText->setText(tr("%1.%2").arg(gain / 10).arg(abs(gain % 10)));
m_settings.m_gain = gain;
sendSettings();
}
void V4LGui::updateHardware()
{
V4LInput::MsgConfigureV4L* message = V4LInput::MsgConfigureV4L::create(m_generalSettings, m_settings);
message->submit(m_pluginAPI->getDSPEngineMessageQueue());
m_updateTimer.stop();
}