Add in interrupt nesting and chache support.
Richard Barry
17 years ago
parent
60da4247dd
commit
bfdbfce22f
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/*
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FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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***************************************************************************
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* *
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* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
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* and even write all or part of your application on your behalf. *
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* See http://www.OpenRTOS.com for details of the services we provide to *
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* expedite your project. *
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* *
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***************************************************************************
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***************************************************************************
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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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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#include "FreeRTOS.h"
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#include "IntQueueTimer.h"
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#include "IntQueue.h"
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#define timerINTERRUPT1_FREQUENCY ( 2000UL )
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#define timerINTERRUPT2_FREQUENCY ( 2001UL )
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#define timerPRESCALE_VALUE ( 2 )
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void vInitialiseTimerForIntQueueTest( void )
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{
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const unsigned portSHORT usCompareMatchValue1 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT1_FREQUENCY );
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const unsigned portSHORT usCompareMatchValue2 = ( unsigned portSHORT ) ( ( configCPU_CLOCK_HZ / timerPRESCALE_VALUE ) / timerINTERRUPT2_FREQUENCY );
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/* Configure interrupt priority and level and unmask interrupt. */
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MCF_INTC0_ICR56 = ( ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 1 ) << 3 );
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MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK56 );
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MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
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MCF_PIT1_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
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MCF_PIT1_PMR = usCompareMatchValue1;
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MCF_INTC0_ICR57 = ( configMAX_SYSCALL_INTERRUPT_PRIORITY << 3 );
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MCF_INTC0_IMRH &= ~( MCF_INTC_IMRH_INT_MASK57 );
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MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
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MCF_PIT2_PCSR = ( MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN );
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MCF_PIT2_PMR = usCompareMatchValue2;
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}
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/*-----------------------------------------------------------*/
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void __attribute__ ((interrupt)) __cs3_isr_interrupt_120( void )
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{
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MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF;
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portEND_SWITCHING_ISR( xFirstTimerHandler() );
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}
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/*-----------------------------------------------------------*/
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void __attribute__ ((interrupt)) __cs3_isr_interrupt_121( void )
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{
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MCF_PIT2_PCSR |= MCF_PIT_PCSR_PIF;
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portEND_SWITCHING_ISR( xSecondTimerHandler() );
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}
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@ -0,0 +1,58 @@
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/*
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FreeRTOS.org V5.0.3 - Copyright (C) 2003-2008 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
|
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 2 of the License, or
|
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(at your option) any later version.
|
||||
|
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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.
|
||||
|
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***************************************************************************
|
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***************************************************************************
|
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* *
|
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* 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 *
|
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* expedite your project. *
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* *
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***************************************************************************
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***************************************************************************
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|
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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|
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http://www.FreeRTOS.org - Documentation, latest information, license and
|
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contact details.
|
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|
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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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|
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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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#ifndef INT_QUEUE_TIMER_H
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#define INT_QUEUE_TIMER_H
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void vInitialiseTimerForIntQueueTest( void );
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portBASE_TYPE xTimer0Handler( void );
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portBASE_TYPE xTimer1Handler( void );
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#endif
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