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105 lines
4.5 KiB
C
105 lines
4.5 KiB
C
/*
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FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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/* Hardware includes. */
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#include "msp430.h"
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#include "hal_MSP-EXP430F5438.h"
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/* This demo uses Timer A1 to generate the time base for gathering run time
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statistics information. Run time statistics show much processing time has
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been allocated to each task since the application booted. */
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/* The time base for the run time stats is generated by a 16 bit timer. Each
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time the timer overflows ulStatsOverflowCount is incremented. Therefore,
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when converting the total run time to a 32 bit number, the most significant two
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bytes are given by ulStatsOverflowCount and the least significant two bytes are
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given by the current timer counter value. Care must be taken with data
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consistency when combining the two in case a timer overflow occurs as the
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value is being read. */
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volatile unsigned long ulStatsOverflowCount = 0;
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/*-----------------------------------------------------------*/
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void vConfigureTimerForRunTimeStats( void )
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{
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/* Ensure the timer is stopped. */
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TA1CTL = 0;
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/* Run the timer from the ACLK/2. */
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TA1CTL = TASSEL_1 | ID__2;
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/* Clear everything to start with. */
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TA1CTL |= TACLR;
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/* Enable the interrupts. */
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TA1CCTL0 = CCIE;
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/* Start up clean. */
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TA1CTL |= TACLR;
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/* Continuous mode. */
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TA1CTL |= MC__CONTINOUS;
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}
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/*-----------------------------------------------------------*/
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#pragma vector=TIMER1_A0_VECTOR
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interrupt void prvRunTimeStatsOverflowISR( void )
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{
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ulStatsOverflowCount++;
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}
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/*-----------------------------------------------------------*/
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