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; FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
;
; This file is part of the FreeRTOS.org distribution.
;
; FreeRTOS.org is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; FreeRTOS.org is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with FreeRTOS.org; if not, write to the Free Software
; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;
; A special exception to the GPL can be applied should you wish to distribute
; a combined work that includes FreeRTOS.org, without being obliged to provide
; the source code for any proprietary components. See the licensing section
; of http://www.FreeRTOS.org for full details of how and when the exception
; can be applied.
;
; ***************************************************************************
; See http://www.FreeRTOS.org for documentation, latest information, license
; and contact details. Please ensure to read the configuration and relevant
; port sections of the online documentation.
; ***************************************************************************
;
;------------------------------------------------------------------------------
;
; This file defines a wrapper for the interrupt generated each time the button
; on the target board is pushed. The asm wrapper is used to save and restore
; the task context as a context switch may occur within the ISR itself.
; The C portion of the ISR is defined within ButtonTask.c.
;
; Include the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
#include "ISR_Support.h"
PUBLIC vButtonISRWrapper
EXTERN vButtonISRHandler
RSEG CODE:CODE
vButtonISRWrapper:
; Save the current task context.
portSAVE_CONTEXT
; Call the C portion of the ISR.
call vButtonISRHandler
; Restore the context of whichever task is to run next - which might be
; different from the task that was originally interrupted.
portRESTORE_CONTEXT
reti
; Place the ISR into the vector table.
COMMON INTVEC:CODE:ROOT(1)
ORG 8
`??vButtonISRWrapper??INTVEC 8`:
DW vButtonISRWrapper
END
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