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/*
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FreeRTOS V7 .2 .0 - Copyright ( C ) 2012 Real Time Engineers Ltd .
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
* 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 ! *
* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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This file is part of the FreeRTOS distribution .
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FreeRTOS is free software ; you can redistribute it and / or modify it under
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the terms of the GNU General Public License ( version 2 ) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception .
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> > > 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
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by writing to Richard Barry , contact details for whom are available on the
FreeRTOS WEB site .
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1 tab = = 4 spaces !
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Having a problem ? Start by reading the FAQ " My application does *
* not run , what could be wrong ? *
* *
* http : //www.FreeRTOS.org/FAQHelp.html *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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http : //www.FreeRTOS.org - Documentation, training, latest information,
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license and contact details .
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http : //www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS + Trace - an indispensable productivity tool .
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Real Time Engineers ltd license FreeRTOS to High Integrity Systems , who sell
the code with commercial support , indemnification , and middleware , under
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the OpenRTOS brand : http : //www.OpenRTOS.com. High Integrity Systems also
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provide a safety engineered and independently SIL3 certified version under
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the SafeRTOS brand : http : //www.SafeRTOS.com.
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*/
# ifndef PORTMACRO_H
# define PORTMACRO_H
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# ifdef __cplusplus
extern " C " {
# endif
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/*-----------------------------------------------------------
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* Port specific definitions .
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*
* The settings in this file configure FreeRTOS correctly for the
* given hardware and compiler .
*
* These settings should not be altered .
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
*/
/* Type definitions. */
# define portCHAR char
# define portFLOAT float
# define portDOUBLE double
# define portLONG long
# define portSHORT short
# define portSTACK_TYPE unsigned portLONG
# define portBASE_TYPE long
# if( configUSE_16_BIT_TICKS == 1 )
typedef unsigned portSHORT portTickType ;
# define portMAX_DELAY ( portTickType ) 0xffff
# else
typedef unsigned portLONG portTickType ;
# define portMAX_DELAY ( portTickType ) 0xffffffff
# endif
/*-----------------------------------------------------------*/
/* Architecture specifics. */
# define portSTACK_GROWTH ( -1 )
# define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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# define portBYTE_ALIGNMENT 8
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/*-----------------------------------------------------------*/
/* Scheduler utilities. */
extern void vPortYieldFromISR ( void ) ;
# define portYIELD() vPortYieldFromISR()
# define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYieldFromISR()
/*-----------------------------------------------------------*/
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# if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
/* Check the configuration. */
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# if( configMAX_PRIORITIES > 32 )
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# error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
# endif
/* Store/clear the ready priorities in a bit map. */
# define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
# define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/
# include <intrinsics.h>
# define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __CLZ( ( uxReadyPriorities ) ) )
# endif /* taskRECORD_READY_PRIORITY */
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/* Critical section management. */
extern void vPortEnterCritical ( void ) ;
extern void vPortExitCritical ( void ) ;
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extern void vPortSetInterruptMask ( void ) ;
extern void vPortClearInterruptMask ( void ) ;
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# define portDISABLE_INTERRUPTS() vPortSetInterruptMask()
# define portENABLE_INTERRUPTS() vPortClearInterruptMask()
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# define portENTER_CRITICAL() vPortEnterCritical()
# define portEXIT_CRITICAL() vPortExitCritical()
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/* FAQ: Setting BASEPRI to 0 is not a bug. Please see
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http : //www.FreeRTOS.org/RTOS-Cortex-M3-M4.html before disagreeing. */
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# define portSET_INTERRUPT_MASK_FROM_ISR() 0;vPortSetInterruptMask()
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# define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortClearInterruptMask();(void)x
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/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
# define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
# define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
# define portNOP()
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# ifdef __cplusplus
}
# endif
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# endif /* PORTMACRO_H */