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68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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* FreeRTOS V202112.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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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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/*
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* Utility functions required to gather run time statistics. See:
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* https://www.FreeRTOS.org/rtos-run-time-stats.html
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*
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* Note that this is a simulated port, where simulated time is a lot slower than
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* real time, therefore the run time counter values have no real meaningful
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* units.
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*
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* Also note that it is assumed this demo is going to be used for short periods
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* of time only, and therefore timer overflows are not handled.
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*/
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#include <time.h>
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/* FreeRTOS includes. */
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#include <FreeRTOS.h>
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/* Time at start of day (in ns). */
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static unsigned long ulStartTimeNs;
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/*-----------------------------------------------------------*/
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void vConfigureTimerForRunTimeStats( void )
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{
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struct timespec xNow;
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clock_gettime(CLOCK_MONOTONIC, &xNow);
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ulStartTimeNs = xNow.tv_sec * 1000000000ul + xNow.tv_nsec;
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}
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/*-----------------------------------------------------------*/
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unsigned long ulGetRunTimeCounterValue( void )
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{
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struct timespec xNow;
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/* Time at start. */
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clock_gettime(CLOCK_MONOTONIC, &xNow);
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return xNow.tv_sec * 1000000000ul + xNow.tv_nsec - ulStartTimeNs;
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}
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/*-----------------------------------------------------------*/
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