1. Implement PTT control via HRD.

2. Fix two more g95 compiler warnings.
3. Remove some unused code in getfile.cpp.


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3305 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

getfile.cpp

@@ -121,50 +121,6 @@ float gran()
   return v2*fac;
 }
 
-/*
-int ptt(int nport, int ntx, int *iptt)
-{
-#ifdef WIN32
-  static HANDLE hFile;
-  static int open=0;
-  char s[10];
-  int i3=1,i4=1,i5=1,i6=1,i9=1,i00=1;
-
-  if(nport==0) {
-    *iptt=ntx;
-    return(0);
-  }
-
-  if(ntx && (!open)) {
-    sprintf(s,"\\\\.\\COM%d",nport);
-    hFile=CreateFile(TEXT(s),GENERIC_WRITE,0,NULL,OPEN_EXISTING,
-                     FILE_ATTRIBUTE_NORMAL,NULL);
-    if(hFile==INVALID_HANDLE_VALUE) {
-      //      printf("PTT: Cannot open COM port %d.\n",nport);
-      return 1;
-    }
-    open=1;
-  }
-
-  if(ntx && open) {
-    i3=EscapeCommFunction(hFile,SETRTS);
-    i5=EscapeCommFunction(hFile,SETDTR);
-    *iptt=1;
-  }
-
-  else {
-    i4=EscapeCommFunction(hFile,CLRRTS);
-    i6=EscapeCommFunction(hFile,CLRDTR);
-    i9=EscapeCommFunction(hFile,CLRBREAK);
-    i00=CloseHandle(hFile);
-    *iptt=0;
-    open=0;
-  }
-  return 0;
-#endif
-}
-*/
-
 int ptt(int nport, int ntx, int* iptt, int* nopen)
 {
 #ifdef WIN32
@@ -206,8 +162,3 @@ int ptt(int nport, int ntx, int* iptt, int* nopen)
   return 0;
 #endif
 }
-
-int hamlibError(int retcode)
-{
-  qDebug() << "Hamlib error" << retcode;
-}