drivers/hcs12/interrupt.c
author dejoigny
Tue, 16 May 2006 17:21:14 +0200
changeset 7 126e37bcca0f
parent 0 4472ee7c6c3e
child 9 49f701f3dca7
permissions -rw-r--r--
ajout filtrage msgs
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/*
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This file is part of CanFestival, a library implementing CanOpen Stack. 
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Copyright (C): Edouard TISSERANT and Francis DUPIN
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See COPYING file for copyrights details.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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/*
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Functions called by interrupts vectors.
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*/
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/*
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This is a part of the driver, of course !
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But you have to put your code in this functions,
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if you plan to use interruptions.
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*/
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#include "../include/hcs12/applicfg.h"
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#include "../include/hcs12/error.h"
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#include "../include/hcs12/candriver.h"
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#include "../include/hcs12/asm-m68hc12/regs.h"
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#include "../include/hcs12/asm-m68hc12/portsaccess.h"
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#include "../include/hcs12/asm-m68hc12/ports_def.h"
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#include "../include/hcs12/asm-m68hc12/ports.h"
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#include "../include/hcs12/interrupt.h"
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extern volatile char msgRecu;
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extern volatile Message canMsgRcv;
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/* Inhibe les interruptions */
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void lock (void)
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{
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   unsigned short mask;
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   __asm__ __volatile__ ("tpa\n\tsei" : "=d"(mask));
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}
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/* Autorise les interruptions */
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void unlock (void)
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{ 
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   __asm__ __volatile__ ("cli");
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}
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