@c @c COPYRIGHT (c) 1988-2002. @c On-Line Applications Research Corporation (OAR). @c All rights reserved. @c @c This is the chapter from the RTEMS ITRON User's Guide that @c documents the services provided by the interrupt @c manager. @c @c $Id$ @c @chapter Interrupt Manager @section Introduction The interrupt manager is ... The services provided by the interrupt manager are: @itemize @bullet @item @code{def_int} - Define Interrupt Handler @item @code{ret_int} - Return from Interrupt Handler @item @code{ret_wup} - Return and Wakeup Task @item @code{loc_cpu} - Lock CPU @item @code{unl_cpu} - Unlock CPU @item @code{dis_int} - Disable Interrupt @item @code{ena_int} - Enable Interrupt @item @code{chg_iXX} - Change Interrupt Mask(Level or Priority) @item @code{ref_iXX} - Reference Interrupt Mask(Level or Priority) @end itemize @section Background @section Operations @section System Calls This section details the interrupt manager's services. A subsection is dedicated to each of this manager's services and describes the calling sequence, related constants, usage, and status codes. @c @c def_int @c @page @subsection def_int - Define Interrupt Handler @subheading CALLING SEQUENCE: @ifset is-C @example ER def_int( UINT dintno, T_DINT *pk_dint ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c ret_int @c @page @subsection ret_int - Return from Interrupt Handler @subheading CALLING SEQUENCE: @ifset is-C @example void ret_int( ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c ret_wup @c @page @subsection ret_wup - Return and Wakeup Task @subheading CALLING SEQUENCE: @ifset is-C @example void ret_wup( ID tskid ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c loc_cpu @c @page @subsection loc_cpu - Lock CPU @subheading CALLING SEQUENCE: @ifset is-C @example ER loc_cpu( ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c unl_cpu @c @page @subsection unl_cpu - Unlock CPU @subheading CALLING SEQUENCE: @ifset is-C @example ER unl_cpu( ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c dis_int @c @page @subsection dis_int - Disable Interrupt @subheading CALLING SEQUENCE: @ifset is-C @example ER dis_int( UINT eintno ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c ena_int @c @page @subsection ena_int - Enable Interrupt @subheading CALLING SEQUENCE: @ifset is-C @example ER ena_int( UINT eintno ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c chg_iXX @c @page @subsection chg_iXX - Change Interrupt Mask(Level or Priority) @subheading CALLING SEQUENCE: @ifset is-C @example ER chg_iXX( UINT iXXXX ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: @c @c ref_iXX @c @page @subsection ref_iXX - Reference Interrupt Mask(Level or Priority) @subheading CALLING SEQUENCE: @ifset is-C @example ER ref_iXX( UINT *p_iXXXX ); @end example @end ifset @ifset is-Ada @end ifset @subheading STATUS CODES: @code{EXXX} - @subheading DESCRIPTION: @subheading NOTES: