00001 /* 00002 This file is part of CanFestival, a library implementing CanOpen Stack. 00003 00004 Copyright (C): Edouard TISSERANT and Francis DUPIN 00005 00006 See COPYING file for copyrights details. 00007 00008 This library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Lesser General Public 00010 License as published by the Free Software Foundation; either 00011 version 2.1 of the License, or (at your option) any later version. 00012 00013 This library is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Lesser General Public License for more details. 00017 00018 You should have received a copy of the GNU Lesser General Public 00019 License along with this library; if not, write to the Free Software 00020 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00021 */ 00022 /* 00023 Variables to access to the io_ports 00024 */ 00025 00026 00027 #ifndef __PORTS_ACCESS__ 00028 #define __PORTS_ACCESS__ 00029 00030 /* 00031 By default the address is 0X0000 on HCS12. 00032 But the ports can be remaped. See the file ports.h 00033 */ 00034 00035 00036 extern volatile unsigned char _io_ports[]; 00037 00038 /* To use for a 8 bits access */ 00039 #define IO_PORTS_8(adr) \ 00040 _io_ports[adr] 00041 00042 /* To use for a 16 bits access */ 00043 /* Example : IO_PORTS_16(CAN0IDAR1)= 0xABCD; 00044 will put AB at @CAN0IDAR1 and CD at @CAN0IDAR1 + 1 00045 */ 00046 #define IO_PORTS_16(adr) \ 00047 *((unsigned volatile short*) (_io_ports + (adr))) 00048 00049 #endif
1.5.1