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/*
* \brief Hardware-interrupt subsystem
* \author Thomas Friebel <tf13@os.inf.tu-dresden.de>
* \author Christian Helmuth <ch12@os.inf.tu-dresden.de>
* \date 2007-01-26
*
* DDEKit supports registration of one handler function per interrupt. If any
* specific DDE implementation needs to register more than one handler,
* multiplexing has to be implemented there!
*/
#ifndef _ddekit_interrupt_h
#define _ddekit_interrupt_h
#include "ddekit/thread.h"
#define DDEKIT_IRQ_PRIO 2
/**
* Attach to hardware interrupt
*
* \param irq IRQ number to attach to
* \param shared set to 1 if interrupt sharing is supported; set to 0
* otherwise
* \param thread_init called just after DDEKit internal init and before any
* other function
* \param handler IRQ handler for interrupt irq
* \param priv private token (argument for thread_init and handler)
*
* \return pointer to interrupt thread created
*/
ddekit_thread_t *ddekit_interrupt_attach(int irq, int shared,
void(*thread_init)(void *),
void(*handler)(void *), void *priv);
/**
* Detach from a previously attached interrupt.
*
* \param irq IRQ number
*/
void ddekit_interrupt_detach(int irq);
/**
* Block interrupt.
*
* \param irq IRQ number to block
*/
void ddekit_interrupt_disable(int irq);
/**
* Enable interrupt.
*
* \param irq IRQ number to block
*/
void ddekit_interrupt_enable(int irq);
#endif
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