2 ; FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
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4 ; This file is part of the FreeRTOS distribution.
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6 ; FreeRTOS is free software; you can redistribute it and/or modify it under
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7 ; the terms of the GNU General Public License (version 2) as published by the
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8 ; Free Software Foundation and modified by the FreeRTOS exception.
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9 ; **NOTE** The exception to the GPL is included to allow you to distribute a
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10 ; combined work that includes FreeRTOS without being obliged to provide the
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11 ; source code for proprietary components outside of the FreeRTOS kernel.
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12 ; Alternative commercial license and support terms are also available upon
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13 ; request. See the licensing section of http://www.FreeRTOS.org for full
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16 ; FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 ; You should have received a copy of the GNU General Public License along
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22 ; with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 ; Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ; ***************************************************************************
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28 ; * The FreeRTOS eBook and reference manual are available to purchase for a *
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29 ; * small fee. Help yourself get started quickly while also helping the *
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30 ; * FreeRTOS project! See http://www.FreeRTOS.org/Documentation for details *
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32 ; ***************************************************************************
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34 ; 1 tab == 4 spaces!
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36 ; Please ensure to read the configuration and relevant port sections of the
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37 ; online documentation.
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39 ; http://www.FreeRTOS.org - Documentation, latest information, license and
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42 ; http://www.SafeRTOS.com - A version that is certified for use in safety
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45 ; http://www.OpenRTOS.com - Commercial support, development, porting,
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46 ; licensing and training services.
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50 ; This file defines a wrapper for the interrupt generated each time the button
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51 ; on the target board is pushed. The asm wrapper is used to save and restore
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52 ; the task context as a context switch may occur within the ISR itself.
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53 ; The C portion of the ISR is defined within ButtonTask.c.
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56 ; Include the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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57 #include "ISR_Support.h"
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59 PUBLIC vButtonISRWrapper
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60 EXTERN vButtonISRHandler
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65 ; Save the current task context.
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68 ; Call the C portion of the ISR.
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69 call vButtonISRHandler
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71 ; Restore the context of whichever task is to run next - which might be
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72 ; different from the task that was originally interrupted.
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78 ; Place the ISR into the vector table.
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79 COMMON INTVEC:CODE:ROOT(1)
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81 `??vButtonISRWrapper??INTVEC 8`:
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82 DW vButtonISRWrapper
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