/* | |
FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and 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 modification 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. | |
*/ | |
#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() ); | |
} |