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79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2010 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \author Francesco Sacchi <batt@develer.com>
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*
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* \brief Vectored Interrupt Controller VIC driver.
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*/
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#ifndef DRV_VIC_LPC2_H
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#define DRV_VIC_LPC2_H
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#include <cfg/compiler.h>
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#include <cpu/irq.h>
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#if CPU_ARM_LPC2378
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#include <io/lpc23xx.h>
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#define vic_vector(i) (*(&VICVectAddr0 + i))
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#define vic_priority(i) (*(&VICVectCntl0 + i))
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#define VIC_SRC_CNT 32
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#define vic_enable(i) do { ASSERT(i < VIC_SRC_CNT); VICIntEnable = BV(i); } while (0)
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#define vic_disable(i) do { ASSERT(i < VIC_SRC_CNT); VICIntEnClr = BV(i); } while (0)
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typedef void vic_handler_t(void);
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void vic_defaultHandler(void);
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INLINE void vic_init(void)
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{
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IRQ_DISABLE;
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/* Assign all sources to IRQ (not to FIQ) */
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VICIntSelect = 0;
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/* Disable all sw interrupts */
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VICSoftIntClr = 0xFFFFFFFF;
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/* Disable all interrupts */
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VICIntEnClr = 0xFFFFFFFF;
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for (int i = 0; i < VIC_SRC_CNT; i++)
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vic_vector(i) = (reg32_t)vic_defaultHandler;
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}
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INLINE void vic_setVector(int id, vic_handler_t *handler)
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{
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ASSERT(id < VIC_SRC_CNT);
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vic_vector(id) = (reg32_t)handler;
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}
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#else
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#error Unknown CPU
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#endif
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#endif /* DRV_VIC_LPC2_H */
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