Update to include basic audio functionality. Compiles. Need to add more debug checking.

TeensyDSP/TR.cpp

@@ -0,0 +1,45 @@
+//======================================================================
+// TR.cpp
+//======================================================================
+
+#include <Arduino.h>
+#include "TR.h"
+
+UBitxTR TR(DSP);
+
+void UBitxTR::update(bool cw) {
+  updatePTT();
+  updateVOX();
+  updateKey();
+  
+  if (isTX) {
+    // If we are currently transmitting, then ANY T/R release (key
+    // release) will result in exitting transmit... except for VOX
+    // and CAT which can only function as a release if it was enabled.
+    if (pttReleased() || keyReleased() || 
+        (voxEnabled && voxDeactivated()) ||
+        (catEnabled && catDeactivated())) {
+      // first, stop transmitting; then, setup RX audio
+      DBGCMD( setRX()  );
+      DBGCMD( dsp.rx() );
+    }
+  } else {
+    if ((pttEnabled && pttPressed()) || (voxEnabled && voxActivated())) {
+      // first, setup TX audio; then, start transmitting (from Mic)
+      DBGCMD( dsp.txMicIn() );
+      DBGCMD( setTX()       );
+    } else if (keyEnabled && keyPressed()) {
+      // first, setup TX audio; then, start transmitting (from Line In)
+      DBGCMD( dsp.txLineIn() );
+      DBGCMD( setTX()        );
+    } else if (catEnabled && catActivated()) {
+      // first, setup TX audio; then, start transmitting (USB)
+      DBGCMD( dsp.txUSBIn() );
+      DBGCMD( setTX()       );
+    }
+  }    
+}
+
+//======================================================================
+// EOF
+//======================================================================