68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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* Copyright (c) 2016, Dr. Ralf Schlatterbeck Open Source Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \brief This module contains PicoRV32-specific code to implement
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* Interrupt handling for Timer and other interrupts
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*
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* \author Ralf Schlatterbeck <rsc@runtux.com>.
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*
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*/
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/** \addtogroup picorv32
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* @{
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*/
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/**
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* \file
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* Interrupt handling for Timer and other interrupts
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*
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*/
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#ifndef IRQ_H_
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#define IRQ_H_
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#include "icosoc.h"
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/* Want to set this higher if we have more than two external interrupts
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* See used interrupts in icosoc.cfg. Don't set lower than 2 (2 is the
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* bus-error interrupt)
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*/
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#define MAXIRQ 4
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#define TIMER_IRQ 0
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void irq_init (void);
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void register_irq (int irq, void (*callback)(void));
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void enable_irq (int irq);
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void disable_irq (int irq);
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#endif /* IRQ_H_ */
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/** @} */
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