New demo files for HCS12 GCC port.

Demo/HCS12_GCC_banked/sys/sio.h

@@ -0,0 +1,80 @@
+/* sys/sio.h -- Utility methods to read/write the SIO
+   Copyright 2000 Free Software Foundation, Inc.
+   Written by Stephane Carrez (stcarrez@worldnet.fr)
+
+This file is part of GEL.
+
+GEL is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GEL is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GEL; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef _SYS_SIO_H
+#define _SYS_SIO_H
+
+#include <sys/param.h>
+#include <sys/ports.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void serial_init (void);
+
+/* Return != 0 if there is something to read on the serial line.  */
+extern unsigned char serial_receive_pending (void);
+
+/* Wait until the SIO has finished to send the character.  */
+extern void serial_flush (void);
+
+/* Return != 0 if serial port is ready to send another char.  */
+extern unsigned char serial_send_ready (void);
+
+/* Send the character on the serial line.  */
+extern void serial_send (char c);
+
+/* Wait for a character on the serial line and return it.  */
+extern unsigned char serial_recv (void);
+
+/** Write the string on the serial line.
+
+    @param msg null terminated string to write.
+
+    @see serial_init, serial_send
+*/
+extern void serial_print (const char *msg);
+
+/** Wait for a string from serial line.
+
+    @param msg buffer that will hold the string.
+
+    @see serial_init, serial_recv
+*/
+extern void serial_getline (char *buf);
+
+#ifdef mc6811
+//# include <asm-m68hc11/sio.h>
+#endif
+
+#ifdef mc68hcs12
+# include <asm-m68hcs12/sio.h>
+#elif defined(mc6812)
+//# include <asm-m68hc12/sio.h>
+#endif
+
+
+#ifdef __cplusplus
+};
+#endif
+#endif /* _SYS_SIO_H */
+