 /**
  * Try to inquire max. available memory by allocating until heap is exhausted.
  */
+#if defined (__AVR__)
 static int availableMemory() {
 
 #if 0

    default: ;
  }
  
  Serial1.listen();
  
  // check if 'Serial1' has data to receive
  if (Serial1.available()) {

    Icom706.read();
    

#include <CATutil.h>
#include <IcomCAT.h>

#if defined (__AVR__)
/**
 * From SoftwareSerialExample:
 
