CanFestival: drivers/hcs12/interrupt.c Source File

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 
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