Use a timer to establish length of an FT2 (to be FT4?) transmission.

CMakeLists.txt

@@ -459,6 +459,7 @@ set (wsjt_FSRCS
   lib/gen65.f90
   lib/gen9.f90
   lib/geniscat.f90
+  lib/fsk4hf/genft2.f90
   lib/ft8/genft8.f90
   lib/genmsk_128_90.f90
   lib/genmsk40.f90

Modulator.cpp

@@ -47,8 +47,6 @@ void Modulator::start (unsigned symbolsLength, double framesPerSymbol,
                        SoundOutput * stream, Channel channel,
                        bool synchronize, bool fastMode, double dBSNR, int TRperiod)
 {
-//  qDebug() << "Mod AA" << symbolsLength << framesPerSymbol << frequency
-//           << toneSpacing << synchronize << fastMode << dBSNR << TRperiod;
   Q_ASSERT (stream);
 // Time according to this computer which becomes our base time
   qint64 ms0 = QDateTime::currentMSecsSinceEpoch() % 86400000;
@@ -319,6 +317,8 @@ qint64 Modulator::readData (char * data, qint64 maxSize)
 
         m_frequency0 = m_frequency;
         // done for this chunk - continue on next call
+//        qint64 ms1=QDateTime::currentMSecsSinceEpoch() - m_ms0;
+//        if(m_ic>=4*144*160) qDebug() << "Modulator finished" << m_ic << 0.001*ms1;
         return framesGenerated * bytesPerFrame ();
       }
       // fall through

Modulator.hpp

@@ -33,6 +33,7 @@ public:
   void setSpread(double s) {m_fSpread=s;}
   void setTRPeriod(unsigned p) {m_period=p;}
   void set_nsym(int n) {m_symbolsLength=n;}
+  void set_ms0(qint64 ms) {m_ms0=ms;}
 
   Q_SLOT void start (unsigned symbolsLength, double framesPerSymbol, double frequency,
                      double toneSpacing, SoundOutput *, Channel = Mono,
@@ -73,6 +74,7 @@ private:
   double m_fSpread;
 
   qint64 m_silentFrames;
+  qint64 m_ms0;
   qint32 m_TRperiod;
   qint16 m_ramp;
 

widgets/displaytext.cpp

@@ -463,7 +463,7 @@ void DisplayText::displayTransmittedText(QString text, QString modeTx, qint32 tx
     QString t2;
     t2.sprintf("%4d",txFreq);
     QString t;
-    if(bFastMode or modeTx=="FT8") {
+    if(bFastMode or modeTx=="FT8" or modeTx=="FT2") {
       t = QDateTime::currentDateTimeUtc().toString("hhmmss") + \
         "  Tx      " + t2 + t1 + text;
     } else if(modeTx.mid(0,6)=="FT8fox") {

widgets/mainwindow.cpp

@@ -727,6 +727,10 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
   connect(&m_guiTimer, &QTimer::timeout, this, &MainWindow::guiUpdate);
   m_guiTimer.start(100);   //### Don't change the 100 ms! ###
 
+
+  FT2_TxTimer.setSingleShot(true);
+  connect(&FT2_TxTimer, &QTimer::timeout, this, &MainWindow::stopTx);
+
   ptt0Timer.setSingleShot(true);
   connect(&ptt0Timer, &QTimer::timeout, this, &MainWindow::stopTx2);
 
@@ -3553,7 +3557,7 @@ void MainWindow::guiUpdate()
       Q_EMIT m_config.transceiver_ptt (true);            //Assert the PTT
       m_tx_when_ready = true;
     }
-    if(!m_bTxTime and !m_tune) m_btxok=false;       //Time to stop transmitting
+    if(!m_bTxTime and !m_tune and m_mode!="FT2") m_btxok=false;       //Time to stop transmitting
   }
 
   if(m_mode.startsWith ("WSPR") and
@@ -3695,7 +3699,7 @@ void MainWindow::guiUpdate()
       }
     }
 
-    m_currentMessage = QString::fromLatin1(msgsent);
+    if(m_mode!="FT2") m_currentMessage = QString::fromLatin1(msgsent);
     m_bCallingCQ = CALLING == m_QSOProgress
       || m_currentMessage.contains (QRegularExpression {"^(CQ|QRZ) "});
     if(m_mode=="FT8") {
@@ -3925,6 +3929,7 @@ void MainWindow::guiUpdate()
           if(SpecOp::FOX==m_config.special_op_id() and ui->tabWidget->currentIndex()==2 and foxcom_.nslots==1) {
               t=m_fm1.trimmed();
           }
+          if(m_mode=="FT2") t="Tx: "+ m_currentMessage;
           tx_status_label.setText(t.trimmed());
         }
       }
@@ -4000,7 +4005,6 @@ void MainWindow::startTx2()
         ui->decodedTextBrowser->appendText(t);
       }
       write_all("Tx",m_currentMessage);
-//      write_transmit_entry ("ALL_WSPR.TXT");
     }
   }
 }
@@ -7217,7 +7221,8 @@ void MainWindow::replyToCQ (QTime time, qint32 snr, float delta_time, quint32 de
     }
 
   QString format_string {"%1 %2 %3 %4 %5 %6"};
-  auto const& time_string = time.toString ("~" == mode || "&" == mode ? "hhmmss" : "hhmm");
+  auto const& time_string = time.toString ("~" == mode || "&" == mode
+                                           || "+" == mode ? "hhmmss" : "hhmm");
   auto message_line = format_string
     .arg (time_string)
     .arg (snr, 3)
@@ -8650,7 +8655,10 @@ void MainWindow::ft2_tx(int ntx)
   int itype=-1;
   genft2_(message, &ichk, msgsent, const_cast<int *>(itone), &itype, 37, 37);
   msgsent[37]=0;
-  m_currentMessage = QString::fromLatin1(msgsent);
+  m_currentMessage = QString::fromLatin1(msgsent).trimmed();
+  tx_status_label.setStyleSheet("QLabel{background-color: #ffff33}");
+  tx_status_label.setText("TX: " + m_currentMessage);
+
   on_txb6_clicked();
   auto_tx_mode(true);
 
@@ -8660,6 +8668,9 @@ void MainWindow::ft2_tx(int ntx)
   setXIT (ui->TxFreqSpinBox->value ());
   Q_EMIT m_config.transceiver_ptt (true);            //Assert the PTT
   m_tx_when_ready = true;
+  qint64 ms=QDateTime::currentMSecsSinceEpoch();
+  m_modulator->set_ms0(ms);
+  FT2_TxTimer.start(2200);      //Slightly more than FT2 transmission length
 
   if (g_iptt == 1 && m_iptt0 == 0) {
     auto const& current_message = QString::fromLatin1 (msgsent);

widgets/mainwindow.h

@@ -581,6 +581,7 @@ private:
   QTimer minuteTimer;
   QTimer splashTimer;
   QTimer p1Timer;
+  QTimer FT2_TxTimer;
 
   QString m_path;
   QString m_baseCall;