etisserant@0: /*
etisserant@0: This file is part of CanFestival, a library implementing CanOpen Stack. 
etisserant@0: 
etisserant@0: Copyright (C): Edouard TISSERANT and Francis DUPIN
etisserant@0: 
etisserant@0: See COPYING file for copyrights details.
etisserant@0: 
etisserant@0: This library is free software; you can redistribute it and/or
etisserant@0: modify it under the terms of the GNU Lesser General Public
etisserant@0: License as published by the Free Software Foundation; either
etisserant@0: version 2.1 of the License, or (at your option) any later version.
etisserant@0: 
etisserant@0: This library is distributed in the hope that it will be useful,
etisserant@0: but WITHOUT ANY WARRANTY; without even the implied warranty of
etisserant@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
etisserant@0: Lesser General Public License for more details.
etisserant@0: 
etisserant@0: You should have received a copy of the GNU Lesser General Public
etisserant@0: License along with this library; if not, write to the Free Software
etisserant@0: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
etisserant@0: */
etisserant@0: /*
etisserant@0: Variables to access to the io_ports
etisserant@0: */
etisserant@0: 
etisserant@0: 
etisserant@0: #ifndef __PORTS_ACCESS__
etisserant@0: #define __PORTS_ACCESS__
etisserant@0: 
etisserant@0: /*
etisserant@0: By default the address is 0X0000 on HCS12.
etisserant@0: But the ports can be remaped. See the file ports.h
etisserant@0: */
etisserant@0: 
etisserant@0: 
etisserant@0: extern volatile unsigned char _io_ports[];
etisserant@0: 
etisserant@0: /* To use for a 8 bits access */
etisserant@0: #define IO_PORTS_8(adr) \
etisserant@0: _io_ports[adr]
etisserant@0: 
etisserant@0: /* To use for a 16 bits access */
etisserant@0: /* Example : IO_PORTS_16(CAN0IDAR1)= 0xABCD;
etisserant@0: will put AB at @CAN0IDAR1 and CD at  @CAN0IDAR1 + 1
etisserant@0: */
etisserant@0: #define IO_PORTS_16(adr) \
etisserant@0: *((unsigned volatile short*) (_io_ports + (adr)))
etisserant@0: 
etisserant@0: #endif