blob: 88dc22c05339d13b344ce7c39e2051df312740cc [file] [log] [blame]
/*
FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
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.
Alternative commercial license and support terms are also available upon
request. See the licensing section of http://www.FreeRTOS.org for full
license details.
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 along
with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
***************************************************************************
* *
* The FreeRTOS eBook and reference manual are available to purchase for a *
* small fee. Help yourself get started quickly while also helping the *
* FreeRTOS project! See http://www.FreeRTOS.org/Documentation for details *
* *
***************************************************************************
1 tab == 4 spaces!
Please ensure to read the configuration and relevant port sections of the
online documentation.
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.
*/
#include "FreeRTOS.h"
#include "IntQueueTimer.h"
#include "IntQueue.h"
#define timerINTERRUPT3_FREQUENCY ( 2000UL )
#define timerINTERRUPT4_FREQUENCY ( 2001UL )
void vT3InterruptHandler( void );
void vT4InterruptHandler( void );
void __attribute__( (interrupt(ipl0), vector(_TIMER_3_VECTOR))) vT3InterruptWrapper( void );
void __attribute__( (interrupt(ipl0), vector(_TIMER_4_VECTOR))) vT4InterruptWrapper( void );
void vInitialiseTimerForIntQueueTest( void )
{
/* Timer 1 is used for the tick interrupt, timer 2 is used for the high
frequency interrupt test. This file therefore uses timers 3 and 4. */
T3CON = 0;
TMR3 = 0;
PR3 = ( unsigned portSHORT ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT3_FREQUENCY );
/* Setup timer 3 interrupt priority to be above the kernel priority. */
ConfigIntTimer3( T3_INT_ON | ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) );
/* Clear the interrupt as a starting condition. */
IFS0bits.T3IF = 0;
/* Enable the interrupt. */
IEC0bits.T3IE = 1;
/* Start the timer. */
T3CONbits.TON = 1;
/* Do the same for timer 4. */
T4CON = 0;
TMR4 = 0;
PR4 = ( unsigned portSHORT ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT4_FREQUENCY );
/* Setup timer 4 interrupt priority to be above the kernel priority. */
ConfigIntTimer4( T4_INT_ON | ( configMAX_SYSCALL_INTERRUPT_PRIORITY ) );
/* Clear the interrupt as a starting condition. */
IFS0bits.T4IF = 0;
/* Enable the interrupt. */
IEC0bits.T4IE = 1;
/* Start the timer. */
T4CONbits.TON = 1;
}
/*-----------------------------------------------------------*/
void vT3InterruptHandler( void )
{
IFS0bits.T3IF = 0;
portEND_SWITCHING_ISR( xFirstTimerHandler() );
}
/*-----------------------------------------------------------*/
void vT4InterruptHandler( void )
{
IFS0bits.T4IF = 0;
portEND_SWITCHING_ISR( xSecondTimerHandler() );
}