diff -r 000000000000 -r 4472ee7c6c3e include/hcs12/asm-m68hc12/portsaccess.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/hcs12/asm-m68hc12/portsaccess.h	Wed May 10 16:59:40 2006 +0200
@@ -0,0 +1,49 @@
+/*
+This file is part of CanFestival, a library implementing CanOpen Stack. 
+
+Copyright (C): Edouard TISSERANT and Francis DUPIN
+
+See COPYING file for copyrights details.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+/*
+Variables to access to the io_ports
+*/
+
+
+#ifndef __PORTS_ACCESS__
+#define __PORTS_ACCESS__
+
+/*
+By default the address is 0X0000 on HCS12.
+But the ports can be remaped. See the file ports.h
+*/
+
+
+extern volatile unsigned char _io_ports[];
+
+/* To use for a 8 bits access */
+#define IO_PORTS_8(adr) \
+_io_ports[adr]
+
+/* To use for a 16 bits access */
+/* Example : IO_PORTS_16(CAN0IDAR1)= 0xABCD;
+will put AB at @CAN0IDAR1 and CD at  @CAN0IDAR1 + 1
+*/
+#define IO_PORTS_16(adr) \
+*((unsigned volatile short*) (_io_ports + (adr)))
+
+#endif