/* | |
FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* If you are: * | |
* * | |
* + New to FreeRTOS, * | |
* + Wanting to learn FreeRTOS or multitasking in general quickly * | |
* + Looking for basic training, * | |
* + Wanting to improve your FreeRTOS skills and productivity * | |
* * | |
* then take a look at the FreeRTOS books - available as PDF or paperback * | |
* * | |
* "Using the FreeRTOS Real Time Kernel - a Practical Guide" * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
* A pdf reference manual is also available. Both are usually delivered * | |
* to your inbox within 20 minutes to two hours when purchased between 8am * | |
* and 8pm GMT (although please allow up to 24 hours in case of * | |
* exceptional circumstances). Thank you for your support! * | |
* * | |
*************************************************************************** | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS is free software; you can redistribute it and/or modify it under | |
the terms of the GNU General Public License (version 2) as published by the | |
Free Software Foundation AND MODIFIED BY the FreeRTOS exception. | |
***NOTE*** The exception to the GPL is included to allow you to distribute | |
a combined work that includes FreeRTOS without being obliged to provide the | |
source code for proprietary components outside of the FreeRTOS kernel. | |
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT | |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
more details. You should have received a copy of the GNU General Public | |
License and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
/* FreeRTOS includes. */ | |
#include "FreeRTOS.h" | |
/* Hardware includes. */ | |
#include "msp430.h" | |
#include "hal_MSP-EXP430F5438.h" | |
/* This demo uses Timer A1 to generate the time base for gathering run time | |
statistics information. Run time statistics show much processing time has | |
been allocated to each task since the application booted. */ | |
/* The time base for the run time stats is generated by a 16 bit timer. Each | |
time the timer overflows ulStatsOverflowCount is incremented. Therefore, | |
when converting the total run time to a 32 bit number, the most significant two | |
bytes are given by ulStatsOverflowCount and the least significant two bytes are | |
given by the current timer counter value. Care must be taken with data | |
consistency when combining the two in case a timer overflow occurs as the | |
value is being read. */ | |
volatile unsigned long ulStatsOverflowCount = 0; | |
/*-----------------------------------------------------------*/ | |
void vConfigureTimerForRunTimeStats( void ) | |
{ | |
/* Ensure the timer is stopped. */ | |
TA1CTL = 0; | |
/* Run the timer from the ACLK/2. */ | |
TA1CTL = TASSEL_1 | ID__2; | |
/* Clear everything to start with. */ | |
TA1CTL |= TACLR; | |
/* Enable the interrupts. */ | |
TA1CCTL0 = CCIE; | |
/* Start up clean. */ | |
TA1CTL |= TACLR; | |
/* Continuous mode. */ | |
TA1CTL |= MC__CONTINOUS; | |
} | |
/*-----------------------------------------------------------*/ | |
#pragma vector=TIMER1_A0_VECTOR | |
static __interrupt void prvRunTimeStatsOverflowISR( void ) | |
{ | |
ulStatsOverflowCount++; | |
} | |
/*-----------------------------------------------------------*/ | |