Add a spinner control for scaling of I/Q input level.

map65/devsetup.cpp

@@ -106,8 +106,8 @@ void DevSetup::initDlg()
   ui.comboBoxSndOut->setCurrentIndex(m_nDevOut);
   ui.sbPort->setValue(m_udpPort);
   ui.cbIQswap->setChecked(m_IQswap);
-  ui.cb10db->setChecked(m_10db);
   ui.cbInitIQplus->setChecked(m_initIQplus);
+  ui.sb_dB->setValue(m_dB);
   ui.mult570SpinBox->setValue(m_mult570);
   ui.mult570TxSpinBox->setValue(m_mult570Tx);
   ui.cal570SpinBox->setValue(m_cal570);
@@ -176,8 +176,8 @@ void DevSetup::accept()
   m_paOutDevice=m_outDevList[m_nDevOut];
   m_udpPort=ui.sbPort->value();
   m_IQswap=ui.cbIQswap->isChecked();
-  m_10db=ui.cb10db->isChecked();
   m_initIQplus=ui.cbInitIQplus->isChecked();
+  m_dB=ui.sb_dB->value();
   m_mult570=ui.mult570SpinBox->value();
   m_mult570Tx=ui.mult570TxSpinBox->value();
   m_cal570=ui.cal570SpinBox->value();
@@ -195,7 +195,7 @@ void DevSetup::on_soundCardRadioButton_toggled(bool checked)
   ui.label_Port->setEnabled(!checked);
   ui.sbPort->setEnabled(!checked);
   ui.cbIQswap->setEnabled(checked);
-  ui.cb10db->setEnabled(checked);
+  ui.sb_dB->setEnabled(checked);
 }
 
 void DevSetup::on_cbXpol_stateChanged(int n)
@@ -217,6 +217,11 @@ void DevSetup::on_mult570SpinBox_valueChanged(int mult)
   m_mult570=mult;
 }
 
+void DevSetup::on_sb_dB_valueChanged(int n)
+{
+  m_dB=n;
+}
+
 void DevSetup::updateColorLabels()
 {
   QString t;

map65/devsetup.h

@@ -27,6 +27,7 @@ public:
   qint32  m_astroFont;
   qint32  m_mult570;
   qint32  m_mult570Tx;
+  qint32  m_dB;
 
   double  m_fAdd;
   double  m_cal570;
@@ -39,7 +40,6 @@ public:
   bool    m_IQswap;
   bool    m_restartSoundIn;
   bool    m_restartSoundOut;
-  bool    m_10db;
   bool    m_initIQplus;
   bool    m_bIQxt;
 
@@ -81,6 +81,7 @@ private slots:
   void on_mult570TxSpinBox_valueChanged(int arg1);
   void on_rbIQXT_toggled(bool checked);  
   void on_sbTxOffset_valueChanged(double f);
+  void on_sb_dB_valueChanged(int n);
 
 private:
   int r,g,b,r0,g0,b0,r1,g1,b1,r2,g2,b2,r3,g3,b3;

map65/devsetup.ui

@@ -698,12 +698,21 @@
                </widget>
               </item>
               <item>
-               <widget class="QCheckBox" name="cb10db">
-                <property name="enabled">
-                 <bool>false</bool>
+               <widget class="QSpinBox" name="sb_dB">
+                <property name="suffix">
+                 <string>  dB</string>
                 </property>
-                <property name="text">
-                 <string>+10 dB</string>
+                <property name="prefix">
+                 <string>  </string>
+                </property>
+                <property name="minimum">
+                 <number>-50</number>
+                </property>
+                <property name="maximum">
+                 <number>10</number>
+                </property>
+                <property name="singleStep">
+                 <number>5</number>
                 </property>
                </widget>
               </item>
@@ -1772,8 +1781,8 @@
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>248</x>
-     <y>254</y>
+     <x>257</x>
+     <y>380</y>
     </hint>
     <hint type="destinationlabel">
      <x>157</x>
@@ -1788,8 +1797,8 @@
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>316</x>
-     <y>260</y>
+     <x>325</x>
+     <y>380</y>
     </hint>
     <hint type="destinationlabel">
      <x>286</x>

map65/mainwindow.cpp

@@ -372,7 +372,7 @@ void MainWindow::writeSettings()
   settings.setValue("SoundOutIndex",m_nDevOut);
   settings.setValue("paOutDevice",m_paOutDevice);
   settings.setValue("IQswap",m_IQswap);
-  settings.setValue("Plus10dB",m_10db);
+  settings.setValue("Scale_dB",m_dB);
   settings.setValue("IQxt",m_bIQxt);
   settings.setValue("InitIQplus",m_initIQplus);
   settings.setValue("UDPport",m_udpPort);
@@ -447,12 +447,12 @@ void MainWindow::readSettings()
   m_nDevOut = settings.value("SoundOutIndex", 0).toInt();
   m_paOutDevice = settings.value("paOutDevice",0).toInt();
   m_IQswap = settings.value("IQswap",false).toBool();
-  m_10db = settings.value("Plus10dB",false).toBool();
+  m_dB = settings.value("Scale_dB",0).toInt();
   m_initIQplus = settings.value("InitIQplus",false).toBool();
   m_bIQxt = settings.value("IQxt",false).toBool();
   m_udpPort = settings.value("UDPport",50004).toInt();
   soundInThread.setSwapIQ(m_IQswap);
-  soundInThread.set10db(m_10db);
+  soundInThread.setScale(m_dB);
   soundInThread.setPort(m_udpPort);
   ui->actionCuteSDR->setChecked(settings.value(
                                   "PaletteCuteSDR",true).toBool());
@@ -682,7 +682,7 @@ void MainWindow::on_actionDeviceSetup_triggered()               //Setup Dialog
   dlg.m_nDevOut=m_nDevOut;
   dlg.m_udpPort=m_udpPort;
   dlg.m_IQswap=m_IQswap;
-  dlg.m_10db=m_10db;
+  dlg.m_dB=m_dB;
   dlg.m_initIQplus=m_initIQplus;
   dlg.m_bIQxt=m_bIQxt;
   dlg.m_cal570=m_cal570;
@@ -719,7 +719,7 @@ void MainWindow::on_actionDeviceSetup_triggered()               //Setup Dialog
     m_paOutDevice=dlg.m_paOutDevice;
     m_udpPort=dlg.m_udpPort;
     m_IQswap=dlg.m_IQswap;
-    m_10db=dlg.m_10db;
+    m_dB=dlg.m_dB;
     m_initIQplus=dlg.m_initIQplus;
     m_bIQxt=dlg.m_bIQxt;
     m_colors=dlg.m_colors;
@@ -732,7 +732,7 @@ void MainWindow::on_actionDeviceSetup_triggered()               //Setup Dialog
     m_wide_graph_window->m_mult570Tx=m_mult570Tx;
     m_wide_graph_window->m_cal570=m_cal570;
     soundInThread.setSwapIQ(m_IQswap);
-    soundInThread.set10db(m_10db);
+    soundInThread.setScale(m_dB);
 
     if(dlg.m_restartSoundIn) {
       soundInThread.quit();

map65/mainwindow.h

@@ -192,6 +192,7 @@ private:
   qint32  m_modeJT65;
   qint32  m_modeQ65;
   qint32  m_RxState;
+  qint32  m_dB;
 
 
   double  m_fAdd;
@@ -220,7 +221,6 @@ private:
   bool    m_NB;
   bool    m_fs96000;
   bool    m_IQswap;
-  bool    m_10db;
   bool    m_initIQplus;
   bool    m_bIQxt;
 

map65/soundin.cpp

@@ -1,4 +1,5 @@
 #include "soundin.h"
+#include <math.h>
 
 #ifdef Q_OS_WIN32
 #include <windows.h>
@@ -53,9 +54,9 @@ typedef struct
 {
   int kin;          //Parameters sent to/from the portaudio callback function
   int nrx;
+  int dB;
   bool bzero;
   bool iqswap;
-  bool b10db;
 } paUserData;
 
 //--------------------------------------------------------------- a2dCallback
@@ -91,8 +92,7 @@ extern "C" int a2dCallback( const void *inputBuffer, void *outputBuffer,
   nbytes=udata->nrx*8*framesToProcess;        //Bytes per frame
   memcpy(d4,inputBuffer,nbytes);              //Copy all samples to d4
 
-  fac=32767.0;
-  if(udata->b10db) fac=103618.35;
+  fac=32767.0 * pow(10.0,0.05*udata->dB);
 
   if(udata->nrx==2) {
     for(i=0; i<4*int(framesToProcess); i++) {     //Negate odd-numbered frames
@@ -185,7 +185,7 @@ void SoundInThread::run()                           //SoundInThread::run()
   udata.bzero=false;                        //Flag to request reset of kin
   udata.nrx=m_nrx;                          //Number of polarizations
   udata.iqswap=m_IQswap;
-  udata.b10db=m_10db;
+  udata.dB=m_dB;
 
   auto device_info = Pa_GetDeviceInfo (m_nDevIn);
 
@@ -251,7 +251,7 @@ void SoundInThread::run()                           //SoundInThread::run()
     }
     k=udata.kin;
     udata.iqswap=m_IQswap;
-    udata.b10db=m_10db;
+    udata.dB=m_dB;
     if(m_monitoring) {
       if(m_bForceCenterFreq) {
         datcom_.fcenter=m_dForceCenterFreq;
@@ -281,9 +281,9 @@ void SoundInThread::setSwapIQ(bool b)
   m_IQswap=b;
 }
 
-void SoundInThread::set10db(bool b)
+void SoundInThread::setScale(qint32 n)
 {
-  m_10db=b;
+  m_dB=n;
 }
 void SoundInThread::setPort(int n)                              //setPort()
 {

map65/soundin.h

@@ -30,7 +30,7 @@ public:
   }
 
   void setSwapIQ(bool b);
-  void set10db(bool b);
+  void setScale(qint32 n);
   void setPort(qint32 n);
   void setInputDevice(qint32 n);
   void setRate(double rate);
@@ -62,7 +62,6 @@ private:
   bool   m_monitoring;
   bool   m_bForceCenterFreq;
   bool   m_IQswap;
-  bool   m_10db;
   double m_dForceCenterFreq;
   qint32 m_nrx;
   qint32 m_hsym;
@@ -70,6 +69,7 @@ private:
   qint32 m_udpPort;
   qint32 m_TRperiod;
   qint32 m_TRperiod0;
+  qint32 m_dB;
 
   QUdpSocket *udpSocket;
 };