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FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
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 exception 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.
Alternative commercial license and support terms are also available upon
request. See the licensing section of for full
license details.
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 along
with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
* *
* Looking for a quick start? Then check out the FreeRTOS eBook! *
* See for details *
* *
1 tab == 4 spaces!
Please ensure to read the configuration and relevant port sections of the
online documentation. - Documentation, latest information, license and
contact details. - A version that is certified for use in safety
critical systems. - Commercial support, development, porting,
licensing and training services.
#include "xexception_l.h"
#ifdef __cplusplus
extern "C" {
* Port specific definitions.
* 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 portLONG
#if( configUSE_16_BIT_TICKS == 1 )
typedef unsigned portSHORT portTickType;
#define portMAX_DELAY ( portTickType ) 0xffff
typedef unsigned portLONG portTickType;
#define portMAX_DELAY ( portTickType ) 0xffffffff
/* This port uses the critical nesting count from the TCB rather than
maintaining a separate value and then saving this value in the task stack. */
/* Interrupt control macros. */
#define portDISABLE_INTERRUPTS() XExc_mDisableExceptions( XEXC_NON_CRITICAL );
#define portENABLE_INTERRUPTS() XExc_mEnableExceptions( XEXC_NON_CRITICAL );
/* Critical section macros. */
void vTaskEnterCritical( void );
void vTaskExitCritical( void );
#define portENTER_CRITICAL() vTaskEnterCritical()
#define portEXIT_CRITICAL() vTaskExitCritical()
/* Task utilities. */
void vPortYield( void );
#define portYIELD() asm volatile ( "SC \n\t NOP" )
#define portYIELD_FROM_ISR() vTaskSwitchContext()
/* Hardware specifics. */
#define portBYTE_ALIGNMENT 8
#define portSTACK_GROWTH ( -1 )
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portNOP() asm volatile ( "NOP" )
/* There are 32 * 32bit floating point regieters, plus the FPSCR to save. */
#define portNO_FLOP_REGISTERS_TO_SAVE ( 32 + 1 )
/* Task function macros as described on the WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
/* Port specific interrupt handling functions. */
void vPortSetupInterruptController( void );
portBASE_TYPE xPortInstallInterruptHandler( unsigned portCHAR ucInterruptID, XInterruptHandler pxHandler, void *pvCallBackRef );
#ifdef __cplusplus
#endif /* PORTMACRO_H */