drivers/hcs12/interrupt.c
author greg
Mon, 27 Jul 2009 09:18:04 +0200
changeset 578 eb67d9aa714f
parent 9 49f701f3dca7
permissions -rw-r--r--
add install/uninstall rules in Makefile.in
0
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     1
/*
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     2
This file is part of CanFestival, a library implementing CanOpen Stack. 
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     3
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     4
Copyright (C): Edouard TISSERANT and Francis DUPIN
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     5
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     6
See COPYING file for copyrights details.
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     7
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     8
This library is free software; you can redistribute it and/or
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
     9
modify it under the terms of the GNU Lesser General Public
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    10
License as published by the Free Software Foundation; either
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    11
version 2.1 of the License, or (at your option) any later version.
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    12
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    13
This library is distributed in the hope that it will be useful,
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    14
but WITHOUT ANY WARRANTY; without even the implied warranty of
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    15
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    16
Lesser General Public License for more details.
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    17
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    18
You should have received a copy of the GNU Lesser General Public
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    19
License along with this library; if not, write to the Free Software
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    20
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    21
*/
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    22
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    23
/*
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    24
Functions called by interrupts vectors.
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    25
*/
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    26
/*
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    27
This is a part of the driver, of course !
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    28
But you have to put your code in this functions,
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    29
if you plan to use interruptions.
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    30
*/
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    31
9
49f701f3dca7 data.h manquant
dejoigny
parents: 0
diff changeset
    32
#include "../include/data.h"
0
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    33
#include "../include/hcs12/applicfg.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    34
#include "../include/hcs12/error.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    35
#include "../include/hcs12/candriver.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    36
#include "../include/hcs12/asm-m68hc12/regs.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    37
#include "../include/hcs12/asm-m68hc12/portsaccess.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    38
#include "../include/hcs12/asm-m68hc12/ports_def.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    39
#include "../include/hcs12/asm-m68hc12/ports.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    40
#include "../include/hcs12/interrupt.h"
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    41
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    42
extern volatile char msgRecu;
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    43
extern volatile Message canMsgRcv;
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    44
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    45
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    46
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    47
/* Inhibe les interruptions */
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    48
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    49
void lock (void)
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    50
{
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    51
   unsigned short mask;
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    52
   __asm__ __volatile__ ("tpa\n\tsei" : "=d"(mask));
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    53
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    54
}
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    55
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    56
/* Autorise les interruptions */
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    57
void unlock (void)
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    58
{ 
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    59
   __asm__ __volatile__ ("cli");
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    60
}
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    61
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    62
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    63
4472ee7c6c3e Commit a new cvs repo.
etisserant
parents:
diff changeset
    64