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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [MPLAB/] [PIC18F/] [portmacro.h] - Blame information for rev 572

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1 572 jeremybenn
/*
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    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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    ***************************************************************************
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    *                                                                         *
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    * If you are:                                                             *
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    *                                                                         *
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    *    + New to FreeRTOS,                                                   *
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    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
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    *    + Looking for basic training,                                        *
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    *    + Wanting to improve your FreeRTOS skills and productivity           *
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    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                                                                         *
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    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
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    *                  http://www.FreeRTOS.org/Documentation                  *
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    *                                                                         *
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    * A pdf reference manual is also available.  Both are usually delivered   *
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    * to your inbox within 20 minutes to two hours when purchased between 8am *
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    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    * exceptional circumstances).  Thank you for your support!                *
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    *                                                                         *
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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 exception to the GPL is included to allow you to distribute
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    a combined work that includes FreeRTOS without being obliged to provide the
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    source code for proprietary components outside of the FreeRTOS kernel.
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    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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    more details. You should have received a copy of the GNU General Public
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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    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
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    FreeRTOS WEB site.
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    1 tab == 4 spaces!
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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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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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/*-----------------------------------------------------------
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 * Port specific definitions.
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 *
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 * The settings in this file configure FreeRTOS correctly for the
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 * given hardware and compiler.
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 *
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 * These settings should not be altered.
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 *-----------------------------------------------------------
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 */
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/* Type definitions. */
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#define portCHAR                char
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#define portFLOAT               float
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#define portDOUBLE              double
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#define portLONG                long
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#define portSHORT               int
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#define portSTACK_TYPE  unsigned char
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#define portBASE_TYPE   char
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#if( configUSE_16_BIT_TICKS == 1 )
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        typedef unsigned portSHORT portTickType;
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        #define portMAX_DELAY ( portTickType ) 0xffff
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#else
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        typedef unsigned portLONG portTickType;
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        #define portMAX_DELAY ( portTickType ) 0xffffffff
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#endif
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/*-----------------------------------------------------------*/
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/* Hardware specifics. */
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#define portBYTE_ALIGNMENT                      1
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#define portGLOBAL_INT_ENABLE_BIT       0x80
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#define portSTACK_GROWTH                        1
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#define portTICK_RATE_MS                        ( ( portTickType ) 1000 / configTICK_RATE_HZ )          
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/*-----------------------------------------------------------*/
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/* Critical section management. */
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#define portDISABLE_INTERRUPTS()        INTCONbits.GIEH = 0;
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#define portENABLE_INTERRUPTS()         INTCONbits.GIEH = 1;
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/* Push the INTCON register onto the stack, then disable interrupts. */
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#define portENTER_CRITICAL()            POSTINC1 = INTCON;                              \
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                                                                        INTCONbits.GIEH = 0;
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/* Retrieve the INTCON register from the stack, and enable interrupts
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if they were saved as being enabled.  Don't modify any other bits
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within the INTCON register as these may have lagitimately have been
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modified within the critical region. */
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#define portEXIT_CRITICAL()                     _asm                                                                    \
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                                                                                MOVF    POSTDEC1, 1, 0                           \
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                                                                        _endasm                                                                 \
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                                                                        if( INDF1 & portGLOBAL_INT_ENABLE_BIT ) \
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                                                                        {                                                                               \
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                                                                                portENABLE_INTERRUPTS();                        \
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                                                                        }
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/*-----------------------------------------------------------*/
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/* Task utilities. */
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extern void vPortYield( void );
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#define portYIELD()                             vPortYield()
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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/*-----------------------------------------------------------*/
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/* Required by the kernel aware debugger. */
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#ifdef __DEBUG
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        #define portREMOVE_STATIC_QUALIFIER
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#endif
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#define portNOP()                               _asm    \
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                                                                        NOP \
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                                                                _endasm
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#endif /* PORTMACRO_H */
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