Added ability to display when we receive the final transmission frame of a message

mainwindow.cpp

@@ -3176,6 +3176,7 @@ void MainWindow::readFromStdout()                             //readFromStdout
             ActivityDetail d;
             d.isLowConfidence = decodedtext.isLowConfidence();
             d.isFree = !decodedtext.isStandardMessage();
+            d.bits = decodedtext.bits();
             d.firstCall = decodedtext.CQersCall();
             if(d.firstCall.isEmpty()){
                 auto words = decodedtext.messageWords();
@@ -3333,6 +3334,7 @@ void MainWindow::readFromStdout()                             //readFromStdout
         // TODO: jsherer - parse decode...
         RXDetail d;
         d.isFree = !decodedtext.isStandardMessage();
+        d.bits = decodedtext.bits();
         d.freq = audioFreq;
         d.text = decodedtext.message();
         d.utcTimestamp = QDateTime::currentDateTimeUtc();
@@ -5546,6 +5548,7 @@ bool MainWindow::prepareNextMessageFrame()
 {
   QString frame = popMessageFrame();
   if(frame.isEmpty()){
+    m_i3bit = Varicode::FT8;
     ui->nextFreeTextMsg->clear();
     return false;
   } else {
@@ -5553,6 +5556,12 @@ bool MainWindow::prepareNextMessageFrame()
 
     int count = m_txFrameCount;
     int sent = count - m_txFrameQueue.count();
+
+    m_i3bit = Varicode::FT8Call;
+    if(count == sent){
+        m_i3bit = Varicode::FT8CallLast;
+    }
+
     ui->startTxButton->setText(QString("Sending (%1/%2)").arg(sent).arg(count));
 
     if(ui->beaconButton->isChecked()){
@@ -7959,6 +7968,9 @@ void MainWindow::displayActivity(bool force){
               if(item.isLowConfidence){
                   item.text = QString("[%1]").arg(item.text);
               }
+              if(item.bits == Varicode::FT8CallLast){
+                  item.text = QString("%1 \u220E ").arg(item.text);
+              }
               text.append(item.text);
               snr = item.snr;
               age = since(item.utcTimestamp);
@@ -8063,6 +8075,10 @@ void MainWindow::displayActivity(bool force){
       RXDetail d = m_rxFrameQueue.first();
       m_rxFrameQueue.removeFirst();
 
+      if(d.bits == Varicode::FT8CallLast){
+          d.text = QString("%1 \u220E ").arg(d.text);
+      }
+
       int freq = d.freq/10*10;
       int block = m_rxFrameBlockNumbers.contains(freq) ? m_rxFrameBlockNumbers[freq] : -1;
       block = logRxTxMessageText(d.utcTimestamp, d.isFree, d.text, d.freq, false, block);

mainwindow.h

@@ -656,6 +656,7 @@ private:
   {
     bool isFree;
     bool isLowConfidence;
+    int bits;
     QString firstCall;
     QString secondCall;
     int freq;
@@ -667,6 +668,8 @@ private:
   struct RXDetail
   {
       bool isFree;
+      bool isLowConfidence;
+      int bits;
       int freq;
       QString text;
       QDateTime utcTimestamp;

varicode.h

@@ -15,6 +15,17 @@
 class Varicode
 {
 public:
+    enum FrameType{
+        FT8              = 0, // [000]
+        FT8Fox           = 1, // [001]
+        FT8Call          = 2, // [010]
+        FT8CallLast      = 3, // [011] <- used to indicate last frame in transmission
+        FT8CallReservedA = 4, // [100]
+        FT8CallReservedB = 5, // [101]
+        FT8CallReservedC = 6, // [110]
+        FT8CallReservedD = 7, // [111]
+    };
+
     //Varicode();
 
     static QStringList parseCallsigns(QString const &input);