You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
4.0 KiB
Plaintext
91 lines
4.0 KiB
Plaintext
;/*
|
|
; FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
|
|
;
|
|
; ***************************************************************************
|
|
; * *
|
|
; * If you are: *
|
|
; * *
|
|
; * + New to FreeRTOS, *
|
|
; * + Wanting to learn FreeRTOS or multitasking in general quickly *
|
|
; * + Looking for basic training, *
|
|
; * + Wanting to improve your FreeRTOS skills and productivity *
|
|
; * *
|
|
; * then take a look at the FreeRTOS books - available as PDF or paperback *
|
|
; * *
|
|
; * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
|
|
; * http://www.FreeRTOS.org/Documentation *
|
|
; * *
|
|
; * A pdf reference manual is also available. Both are usually delivered *
|
|
; * to your inbox within 20 minutes to two hours when purchased between 8am *
|
|
; * and 8pm GMT (although please allow up to 24 hours in case of *
|
|
; * exceptional circumstances). Thank you for your support! *
|
|
; * *
|
|
; ***************************************************************************
|
|
;
|
|
; This file is part of the FreeRTOS distribution.
|
|
;
|
|
; FreeRTOS is free software; you can redistribute it and/or modify it under
|
|
; the terms of the GNU General Public License (version 2) as published by the
|
|
; Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
|
; ***NOTE*** The exception to the GPL is included to allow you to distribute
|
|
; a combined work that includes FreeRTOS without being obliged to provide the
|
|
; source code for proprietary components outside of the FreeRTOS kernel.
|
|
; FreeRTOS 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 and the FreeRTOS license exception along with FreeRTOS; if not it
|
|
; can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
|
; by writing to Richard Barry, contact details for whom are available on the
|
|
; FreeRTOS WEB site.
|
|
;
|
|
; 1 tab == 4 spaces!
|
|
;
|
|
; http://www.FreeRTOS.org - Documentation, latest information, license and
|
|
; contact details.
|
|
;
|
|
; http://www.SafeRTOS.com - A version that is certified for use in safety
|
|
; critical systems.
|
|
;
|
|
; http://www.OpenRTOS.com - Commercial support, development, porting,
|
|
; licensing and training services.
|
|
;*/
|
|
|
|
;
|
|
; 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
|