first commit
This commit is contained in:
liyp
@@ -0,0 +1,140 @@
|
||||
/*
|
||||
FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
|
||||
All rights reserved
|
||||
|
||||
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
|
||||
|
||||
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. Full license text is available on the following
|
||||
link: http://www.freertos.org/a00114.html
|
||||
|
||||
***************************************************************************
|
||||
* *
|
||||
* FreeRTOS provides completely free yet professionally developed, *
|
||||
* robust, strictly quality controlled, supported, and cross *
|
||||
* platform software that is more than just the market leader, it *
|
||||
* is the industry's de facto standard. *
|
||||
* *
|
||||
* Help yourself get started quickly while simultaneously helping *
|
||||
* to support the FreeRTOS project by purchasing a FreeRTOS *
|
||||
* tutorial book, reference manual, or both: *
|
||||
* http://www.FreeRTOS.org/Documentation *
|
||||
* *
|
||||
***************************************************************************
|
||||
|
||||
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
|
||||
the FAQ page "My application does not run, what could be wrong?". Have you
|
||||
defined configASSERT()?
|
||||
|
||||
http://www.FreeRTOS.org/support - In return for receiving this top quality
|
||||
embedded software for free we request you assist our global community by
|
||||
participating in the support forum.
|
||||
|
||||
http://www.FreeRTOS.org/training - Investing in training allows your team to
|
||||
be as productive as possible as early as possible. Now you can receive
|
||||
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
|
||||
Ltd, and the world's leading authority on the world's leading RTOS.
|
||||
|
||||
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
|
||||
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
|
||||
compatible FAT file system, and our tiny thread aware UDP/IP stack.
|
||||
|
||||
http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
|
||||
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
|
||||
|
||||
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
|
||||
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
|
||||
licenses offer ticketed support, indemnification and commercial middleware.
|
||||
|
||||
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
|
||||
engineered and independently SIL3 certified version for use in safety and
|
||||
mission critical applications that require provable dependability.
|
||||
|
||||
1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#include "FreeRTOS.h"
|
||||
#include "IntQueueTimer.h"
|
||||
#include "IntQueue.h"
|
||||
|
||||
#define timerINTERRUPT3_FREQUENCY ( 2000UL )
|
||||
#define timerINTERRUPT4_FREQUENCY ( 2001UL )
|
||||
|
||||
void vT3InterruptHandler( void );
|
||||
void vT4InterruptHandler( void );
|
||||
|
||||
/* As these interrupts use the FreeRTOS interrupt entry point, the IPL settings
|
||||
in the following prototypes have no effect. The interrupt priorities are set
|
||||
by the ConfigIntTimerX() library calls in vInitialiseTimerForIntQueueTest(). */
|
||||
void __attribute__( (interrupt(IPL0AUTO), vector(_TIMER_3_VECTOR))) vT3InterruptWrapper( void );
|
||||
void __attribute__( (interrupt(IPL0AUTO), 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 short ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT3_FREQUENCY );
|
||||
|
||||
/* Setup timer 3 interrupt priority to be above the kernel priority. */
|
||||
IPC3bits.T3IP = ( 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 short ) ( configPERIPHERAL_CLOCK_HZ / timerINTERRUPT4_FREQUENCY );
|
||||
|
||||
/* Setup timer 4 interrupt priority to be above the kernel priority. */
|
||||
IPC4bits.T4IP = 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 )
|
||||
{
|
||||
IFS0CLR = _IFS0_T3IF_MASK;
|
||||
portEND_SWITCHING_ISR( xFirstTimerHandler() );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vT4InterruptHandler( void )
|
||||
{
|
||||
IFS0CLR = _IFS0_T4IF_MASK;
|
||||
portEND_SWITCHING_ISR( xSecondTimerHandler() );
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user