73 lines
2.4 KiB
C
73 lines
2.4 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 2007 Develer S.r.l. (http://www.develer.com/)
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*
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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 System irq handler for Atmel AT91 ARM7 processors (interface).
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*/
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#ifndef DRV_AT91_SYSIRQ_H
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#define DRV_AT91_SYSIRQ_H
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#include <cfg/compiler.h>
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typedef void (* sysirq_handler_t)(void); ///< Type for system irq handler.
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typedef void (* sysirq_setEnable_t)(bool); ///< Type for system irq enable/disable function.
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/**
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* Structure used to define a system interrupt source.
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*/
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typedef struct SysIrq
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{
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bool enabled; ///< Getter for irq enable/disable state.
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sysirq_setEnable_t setEnable; ///< Setter for irq enable/disable state.
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sysirq_handler_t handler; ///< IRQ handler.
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} SysIrq;
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/**
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* System IRQ ID list.
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*/
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typedef enum sysirq_t
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{
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SYSIRQ_PIT, ///< Periodic Interval Timer
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/* TODO: add all system irqs */
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SYSIRQ_CNT
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} sysirq_t;
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void sysirq_init(void);
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void sysirq_setHandler(sysirq_t irq, sysirq_handler_t handler);
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void sysirq_setEnable(sysirq_t irq, bool enable);
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bool sysirq_enabled(sysirq_t irq);
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#endif /* ARCH_ARM_SYSIRQ_H */
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