;/* ; FreeRTOS V6.1.0 - Copyright (C) 2010 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