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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
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FreeRTOS.org V4.7.0 - Copyright (C) 2003-2007 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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See http://www.FreeRTOS.org for documentation, latest information, license
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and contact details. Please ensure to read the configuration and relevant
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port sections of the online documentation.
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Also see http://www.SafeRTOS.com a version that has been certified for use
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in safety critical systems, plus commercial licensing, development and
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support options.
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***************************************************************************
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*/
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/*
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Changes from V3.0.0
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+ ISRcode pulled inline to reduce stack-usage.
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+ Added functionality to only call vTaskSwitchContext() once
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when handling multiple interruptsources in a single interruptcall.
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+ Filename changed to a .c extension to allow stepping through code
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using F7.
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Changes from V3.0.1
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*/
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/*
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* ISR for the tick.
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* This increments the tick count and, if using the preemptive scheduler,
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* performs a context switch. This must be identical to the manual
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* context switch in how it stores the context of a task.
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*/
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#ifndef _FREERTOS_DRIVERS_TICK_ISRTICK_C
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#define _FREERTOS_DRIVERS_TICK_ISRTICK_C
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{
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/*
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* Was the interrupt the SystemClock?
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*/
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if( bCCP1IF && bCCP1IE )
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{
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/*
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* Reset the interrupt flag
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*/
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bCCP1IF = 0;
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/*
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* Maintain the tick count.
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*/
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vTaskIncrementTick();
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#if configUSE_PREEMPTION == 1
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{
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/*
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* Ask for a switch to the highest priority task
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* that is ready to run.
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*/
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uxSwitchRequested = pdTRUE;
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}
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#endif
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}
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}
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#pragma wizcpp uselib "$__PATHNAME__/Tick.c"
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#endif /* _FREERTOS_DRIVERS_TICK_ISRTICK_C */
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