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LimeSDR: clamp NCO lower limit to 0

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This commit is contained in:
f4exb
2017-08-04 09:33:25 +02:00
parent c29d9623f4
commit 50c39b90a1
4 changed files with 8 additions and 4 deletions
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plugins/samplesource/limesdrinput/limesdrinputgui.cpp
+4 -1
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@@ -19,6 +19,8 @@
#include <QDebug>
#include <QMessageBox>
#include <algorithm>
#include "ui_limesdrinputgui.h"
#include "gui/colormapper.h"
#include "gui/glspectrum.h"
@@ -313,8 +315,9 @@ void LimeSDRInputGUI::displaySettings()
void LimeSDRInputGUI::setNCODisplay()
{
int ncoHalfRange = (m_settings.m_devSampleRate * (1<<(m_settings.m_log2HardDecim)))/2;
int lowBoundary = std::max(0, (int) m_settings.m_centerFrequency - ncoHalfRange);
ui->ncoFrequency->setValueRange(7,
(m_settings.m_centerFrequency - ncoHalfRange)/1000,
lowBoundary/1000,
(m_settings.m_centerFrequency + ncoHalfRange)/1000); // frequency dial is in kHz
ui->ncoFrequency->setValue((m_settings.m_centerFrequency + m_settings.m_ncoFrequency)/1000);
}