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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@60 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2007-10-23 18:44:38 +00:00
parent 4674513d38
commit e682c3ea88
2 changed files with 76 additions and 0 deletions
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50
ports/ARM7-LPC214x/GCC/vic.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ch.h>
#include "lpc214x.h"
/*
* VIC Initialization.
* NOTE: Better reset everything in the VIC, it is a HUGE source of trouble.
*/
void InitVIC(void) {
int i;
VIC *vic = VICBase;
vic->VIC_IntSelect = 0; /* All sources assigned to IRQ. */
vic->VIC_SoftIntClear = ALLINTMASK; /* No interrupts enforced */
vic->VIC_IntEnClear = ALLINTMASK; /* All sources disabled. */
for (i = 0; i < 16; i++) {
vic->VIC_VectCntls[i] = 0;
vic->VIC_VectAddrs[i] = 0;
vic->VIC_VectAddr = 0;
}
}
/*
* Set a vector for an interrupt source, the vector is enabled too.
*/
void SetVICVector(void *handler, int vector, int source) {
VIC *vicp = VICBase;
vicp->VIC_VectAddrs[vector] = (IOREG32)handler;
vicp->VIC_VectCntls[vector] = (IOREG32)(source | 0x20);
}

26
ports/ARM7-LPC214x/GCC/vic.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _VIC_H_
#define _VIC_H_
void InitVIC(void);
void SetVICVector(void *handler, int vector, int source);
#endif /* _VIC_H_*/