/* | |
FreeRTOS.org V5.1.0 - Copyright (C) 2003-2008 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation; either version 2 of the License, or | |
(at your option) any later version. | |
FreeRTOS.org 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.org; if not, write to the Free Software | |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
A special exception to the GPL can be applied should you wish to distribute | |
a combined work that includes FreeRTOS.org, without being obliged to provide | |
the source code for any proprietary components. See the licensing section | |
of http://www.FreeRTOS.org for full details of how and when the exception | |
can be applied. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, * | |
* and even write all or part of your application on your behalf. * | |
* See http://www.OpenRTOS.com for details of the services we provide to * | |
* expedite your project. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
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 timerINTERRUPT1_FREQUENCY ( 2000UL ) | |
#define timerINTERRUPT2_FREQUENCY ( 2001UL ) | |
#define timerPRESCALE_VALUE ( 2 ) | |
void vInitialiseTimerForIntQueueTest( void ) | |
{ | |
const unsigned portSHORT usCompareMatchValue1 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT1_FREQUENCY ); | |
const unsigned portSHORT usCompareMatchValue2 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT2_FREQUENCY ); | |
/* Configure interrupt priority and level and unmask interrupt. */ | |
MCF_INTC0_ICR56 = ( ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) << 3 ); | |
MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK56 ); | |
MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF; | |
MCF_PIT1_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN ); | |
MCF_PIT1_PMR = usCompareMatchValue1; | |
MCF_INTC0_ICR57 = ( configMAX_SYSCALL_INTERRUPT_PRIORITY << 3 ); | |
MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK57 ); | |
MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF; | |
MCF_PIT2_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN ); | |
MCF_PIT2_PMR = usCompareMatchValue2; | |
} | |
/*-----------------------------------------------------------*/ | |
void __attribute__ ((interrupt)) __cs3_isr_interrupt_120( void ) | |
{ | |
MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF; | |
portEND_SWITCHING_ISR( xFirstTimerHandler() ); | |
} | |
/*-----------------------------------------------------------*/ | |
void __attribute__ ((interrupt)) __cs3_isr_interrupt_121( void ) | |
{ | |
MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF; | |
portEND_SWITCHING_ISR( xSecondTimerHandler() ); | |
} |