From 0a3505cec36ef58fc60553806d74901ae19f99d6 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sat, 16 Oct 2021 11:33:56 +0200
Subject: [PATCH] Metis MISO: set absolute maximum frequency to 500 MHz. Fixes
 #1014

---
 plugins/samplemimo/metismiso/metismisogui.cpp | 10 +++++-----
 plugins/samplemimo/metismiso/metismisogui.h   |  1 +
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/plugins/samplemimo/metismiso/metismisogui.cpp b/plugins/samplemimo/metismiso/metismisogui.cpp
index dab5f5844..bfda504f5 100644
--- a/plugins/samplemimo/metismiso/metismisogui.cpp
+++ b/plugins/samplemimo/metismiso/metismisogui.cpp
@@ -60,7 +60,7 @@ MetisMISOGui::MetisMISOGui(DeviceUISet *deviceUISet, QWidget* parent) :
 
     ui->setupUi(this);
     ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
-    ui->centerFrequency->setValueRange(7, 0, 61440000);
+    ui->centerFrequency->setValueRange(7, 0, m_absMaxFreq);
 
     displaySettings();
 
@@ -483,19 +483,19 @@ void MetisMISOGui::displayFrequency()
     {
         int subsamplingIndex = m_settings.m_rxSubsamplingIndexes[m_streamIndex];
         centerFrequency = m_settings.m_rxCenterFrequencies[m_streamIndex];
-        fBaseLow = subsamplingIndex*61440;
-        fBaseHigh = (subsamplingIndex+1)*61440;
+        fBaseLow = subsamplingIndex*m_absMaxFreq;
+        fBaseHigh = (subsamplingIndex+1)*m_absMaxFreq;
     }
     else if (m_streamIndex == MetisMISOSettings::m_maxReceivers)
     {
         centerFrequency = m_settings.m_txCenterFrequency;
         fBaseLow = 0;
-        fBaseHigh = 61440;
+        fBaseHigh = m_absMaxFreq;
     }
     else
     {
         fBaseLow = 0;
-        fBaseHigh = 61440;
+        fBaseHigh = m_absMaxFreq;
         centerFrequency = 0;
     }
 
diff --git a/plugins/samplemimo/metismiso/metismisogui.h b/plugins/samplemimo/metismiso/metismisogui.h
index 96a33bfcb..69b649dce 100644
--- a/plugins/samplemimo/metismiso/metismisogui.h
+++ b/plugins/samplemimo/metismiso/metismisogui.h
@@ -65,6 +65,7 @@ private:
     std::vector<quint64> m_deviceCenterFrequencies; //!< Center frequency in device
 	int m_lastEngineState;
 	MessageQueue m_inputMessageQueue;
+    static const int m_absMaxFreq = 500000; // kHz
 
 	void blockApplySettings(bool block) { m_doApplySettings = !block; }
 	void displaySettings();