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85 lines
3.0 KiB
Plaintext
85 lines
3.0 KiB
Plaintext
;/*
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; FreeRTOS V5.4.1 - Copyright (C) 2009 Real Time Engineers Ltd.
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;
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; This file is part of the FreeRTOS distribution.
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;
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; FreeRTOS is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License (version 2) as published by the
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; Free Software Foundation and modified by the FreeRTOS exception.
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; **NOTE** The exception to the GPL is included to allow you to distribute a
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; combined work that includes FreeRTOS without being obliged to provide the
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; source code for proprietary components outside of the FreeRTOS kernel.
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; Alternative commercial license and support terms are also available upon
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; request. See the licensing section of http://www.FreeRTOS.org for full
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; license details.
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;
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; FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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; more details.
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;
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; You should have received a copy of the GNU General Public License along
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; with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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; Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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;
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;
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; ***************************************************************************
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; * *
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; * Looking for a quick start? Then check out the FreeRTOS eBook! *
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; * See http://www.FreeRTOS.org/Documentation for details *
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; * *
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; ***************************************************************************
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;
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; 1 tab == 4 spaces!
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;
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; Please ensure to read the configuration and relevant port sections of the
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; online documentation.
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;
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; http://www.FreeRTOS.org - Documentation, latest information, license and
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; contact details.
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;
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; http://www.SafeRTOS.com - A version that is certified for use in safety
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; critical systems.
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;
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; http://www.OpenRTOS.com - Commercial support, development, porting,
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; licensing and training services.
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;*/
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;
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; This file defines a wrapper for the interrupt generated each time the button
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; on the target board is pushed. The asm wrapper is used to save and restore
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; the task context as a context switch may occur within the ISR itself.
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; The C portion of the ISR is defined within ButtonTask.c.
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;
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; Include the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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#include "ISR_Support.h"
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PUBLIC vButtonISRWrapper
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EXTERN vButtonISRHandler
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RSEG CODE:CODE
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vButtonISRWrapper:
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; Save the current task context.
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portSAVE_CONTEXT
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; Call the C portion of the ISR.
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call vButtonISRHandler
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; Restore the context of whichever task is to run next - which might be
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; different from the task that was originally interrupted.
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portRESTORE_CONTEXT
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reti
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; Place the ISR into the vector table.
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COMMON INTVEC:CODE:ROOT(1)
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ORG 8
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`??vButtonISRWrapper??INTVEC 8`:
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DW vButtonISRWrapper
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END
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