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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#include "FreeRTOS.h"
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#include "task.h"
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BaseType_t xPortStartScheduler( void )
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{
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return pdTRUE;
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}
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void vPortEndScheduler( void )
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{
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}
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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{
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return NULL;
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}
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void vPortYield( void )
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{
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/* Save the current Context */
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/* Switch to the highest priority task that is ready to run. */
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vTaskSwitchContext();
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/* Start executing the task we have just switched to. */
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}
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static void prvTickISR( void )
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{
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/* Interrupts must have been enabled for the ISR to fire, so we have to
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* save the context with interrupts enabled. */
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/* Maintain the tick count. */
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if( xTaskIncrementTick() != pdFALSE )
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{
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/* Switch to the highest priority task that is ready to run. */
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vTaskSwitchContext();
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}
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/* start executing the new task */
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}
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