2 ; FreeRTOS.org V5.3.0 - Copyright (C) 2003-2009 Richard Barry.
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22 ; Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ; ***************************************************************************
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27 ; * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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29 ; * This is a concise, step by step, 'hands on' guide that describes both *
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30 ; * general multitasking concepts and FreeRTOS specifics. It presents and *
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31 ; * explains numerous examples that are written using the FreeRTOS API. *
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32 ; * Full source code for all the examples is provided in an accompanying *
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35 ; ***************************************************************************
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37 ; 1 tab == 4 spaces!
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39 ; Please ensure to read the configuration and relevant port sections of the
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40 ; online documentation.
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42 ; http://www.FreeRTOS.org - Documentation, latest information, license and
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45 ; http://www.SafeRTOS.com - A version that is certified for use in safety
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48 ; http://www.OpenRTOS.com - Commercial support, development, porting,
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49 ; licensing and training services.
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53 ; This file defines a wrapper for the interrupt generated each time the button
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54 ; on the target board is pushed. The asm wrapper is used to save and restore
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55 ; the task context as a context switch may occur within the ISR itself.
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56 ; The C portion of the ISR is defined within ButtonTask.c.
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59 ; Include the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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60 #include "ISR_Support.h"
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62 PUBLIC vButtonISRWrapper
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63 EXTERN vButtonISRHandler
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68 ; Save the current task context.
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71 ; Call the C portion of the ISR.
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72 call vButtonISRHandler
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74 ; Restore the context of whichever task is to run next - which might be
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75 ; different from the task that was originally interrupted.
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81 ; Place the ISR into the vector table.
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82 COMMON INTVEC:CODE:ROOT(1)
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84 `??vButtonISRWrapper??INTVEC 8`:
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85 DW vButtonISRWrapper
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