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/*
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  intr.h,v 1.2 1999/11/17 16:47:15 jennifer Exp
 */
 
#ifndef __ITRON_INTERRUPT_h_
#define __ITRON_INTERRUPT_h_
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 *  Define Interrupt (def_int) Structure
 */
 
typedef struct t_dint {
  ATR   intatr;   /* interrupt handler attributes */
  FP    inthdr;   /* interrupt handler address */
  /* additional information may be included depending on the implementation */
} T_DINT;
 
/*
 *  Interrupt Functions
 */
 
/*
 *  def_int - Define Interrupt Handler
 */
 
ER def_int(
  UINT dintno,
  T_DINT *pk_dint
);
 
/*
 *  ret_int - Return from Interrupt Handler
 */
 
void ret_int( void );
 
/*
 *  ret_wup - Return and Wakeup Task
 */
 
void ret_wup(
  ID tskid
);
 
/*
 *  loc_cpu - Lock CPU
 */
 
ER loc_cpu( void );
 
/*
 *  unl_cpu - Unlock CPU
 */
 
ER unl_cpu( void );
 
/*
 *  dis_int - Disable Interrupt
 */
 
ER dis_int(
  UINT eintno
);
 
/*
 *  ena_int - Enable Interrupt 
 */
 
ER ena_int(
  UINT eintno
);
 
/*
 *  chg_iXX - Change Interrupt Mask(Level or Priority)
 */
 
ER chg_iXX(
  UINT iXXXX
);
 
/*
 *  ref_iXX - Reference Interrupt Mask(Level or Priority)
 */
 
ER ref_iXX(
  UINT *p_iXXXX
);
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */