;/* ; * FreeRTOS Kernel V10.3.0 ; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. ; * ; * Permission is hereby granted, free of charge, to any person obtaining a copy of ; * this software and associated documentation files (the "Software"), to deal in ; * the Software without restriction, including without limitation the rights to ; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of ; * the Software, and to permit persons to whom the Software is furnished to do so, ; * subject to the following conditions: ; * ; * The above copyright notice and this permission notice shall be included in all ; * copies or substantial portions of the Software. ; * ; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS ; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR ; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER ; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN ; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ; * ; * http://www.FreeRTOS.org ; * http://aws.amazon.com/freertos ; * ; * 1 tab == 4 spaces! ; */ ; ; 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