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 /* +00024 Functions called by interrupts vectors. +00025 */ +00026 /* +00027 This is a part of the driver, of course ! +00028 But you have to put your code in this functions, +00029 if you plan to use interruptions. +00030 */ +00031 +00032 #include "../include/data.h" +00033 #include "../include/hcs12/applicfg.h" +00034 #include "../include/hcs12/error.h" +00035 #include "../include/hcs12/candriver.h" +00036 #include "../include/hcs12/asm-m68hc12/regs.h" +00037 #include "../include/hcs12/asm-m68hc12/portsaccess.h" +00038 #include "../include/hcs12/asm-m68hc12/ports_def.h" +00039 #include "../include/hcs12/asm-m68hc12/ports.h" +00040 #include "../include/hcs12/interrupt.h" +00041 +00042 extern volatile char msgRecu; +00043 extern volatile Message canMsgRcv; +00044 +00045 +00046 +00047 /* Inhibe les interruptions */ +00048 +00049 void lock (void) +00050 { +00051 unsigned short mask; +00052 __asm__ __volatile__ ("tpa\n\tsei" : "=d"(mask)); +00053 +00054 } +00055 +00056 /* Autorise les interruptions */ +00057 void unlock (void) +00058 { +00059 __asm__ __volatile__ ("cli"); +00060 } +00061 +00062 +00063 +00064 +
1.5.1
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