portmacro.h

FREE embed os FOR ARM ,51等多种MCU

/*
    FreeRTOS V2.5.2 - Copyright (C) 2003, 2004 Richard Barry.

    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 as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    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

    A special exception to the GPL can be applied should you wish to distribute
    a combined work that includes FreeRTOS, 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.

    ***************************************************************************
    See http://www.FreeRTOS.org for documentation, latest information, license 
    and contact details.  Please ensure to read the configuration and relevant 
    port sections of the online documentation.
    ***************************************************************************
*/

#ifndef PORTMACRO_H
#define PORTMACRO_H

#include <i86.h>
#include <conio.h>

/*-----------------------------------------------------------
 * Port specific definitions for the Flashlite 186 port.
 *----------------------------------------------------------*/

/* These are the only definitions that can be modified!. */

#define portTICK_RATE_HZ        ( ( portTickType ) 1000 )
#define portMAX_PRIORITIES      ( ( unsigned portSHORT ) 10 )
#define portMINIMAL_STACK_SIZE  ( ( unsigned portSHORT ) 128 ) /* This can be made smaller if required. */
#define portTOTAL_HEAP_SIZE		( ( unsigned portSHORT ) ( 32 * 1024 ) )

/* Set the following definitions to 1 to include the component, or zero
to exclude the component. */

/* Include/exclude the stated API function. */
#define INCLUDE_vTaskPrioritySet        0
#define INCLUDE_ucTaskPriorityGet       0
#define INCLUDE_vTaskDelete             1
#define INCLUDE_vTaskCleanUpResources   1
#define INCLUDE_vTaskSuspend            1

/* Use/don't use the trace visualisation. */
#define USE_TRACE_FACILITY              0

/* 
 * The tick count (and times defined in tick count units) can be either a 16bit
 * or a 32 bit value.  See documentation on http://www.FreeRTOS.org to decide
 * which to use.
 */
#define USE_16_BIT_TICKS                1

/*-----------------------------------------------------------
 * Do not modify anything below here. 
 *----------------------------------------------------------*/

#define portCHAR        char
#define portFLOAT       float
#define portDOUBLE      long
#define portLONG        long
#define portSHORT       int
#define portSTACK_TYPE  unsigned portSHORT

#if( USE_16_BIT_TICKS == 1 )
        typedef unsigned portSHORT portTickType;
        #define portMAX_DELAY ( portTickType ) 0xffff
#else
        typedef unsigned portLONG portTickType;
        #define portMAX_DELAY ( portTickType ) 0xffffffff
#endif

/*-----------------------------------------------------------*/

void portENTER_CRITICAL( void );
#pragma aux portENTER_CRITICAL = "pushf" \
                                 "cli";
/*-----------------------------------------------------------*/

void portEXIT_CRITICAL( void );
#pragma aux portEXIT_CRITICAL   = "popf";
/*-----------------------------------------------------------*/

void portDISABLE_INTERRUPTS( void );
#pragma aux portDISABLE_INTERRUPTS = "cli";
/*-----------------------------------------------------------*/

void portENABLE_INTERRUPTS( void );
#pragma aux portENABLE_INTERRUPTS = "sti";
/*-----------------------------------------------------------*/

#define portSTACK_GROWTH        ( -1 )
/*-----------------------------------------------------------*/

#define portSWITCH_INT_NUMBER   0x80
#define portYIELD()             __asm{ int portSWITCH_INT_NUMBER } 
/*-----------------------------------------------------------*/

#define portINPUT_BYTE( xAddr )                 inp( xAddr )
#define portOUTPUT_BYTE( xAddr, ucValue )       outp( xAddr, ucValue )
#define portINPUT_WORD( xAddr )                 inpw( xAddr )
#define portOUTPUT_WORD( xAddr, usValue )       outpw( xAddr, usValue )
/*-----------------------------------------------------------*/

#define portTICK_RATE_MS        ( ( portTickType ) 1000 / portTICK_RATE_HZ )            // This should be called ms_per_tick
#define portBYTE_ALIGNMENT      2

/*-----------------------------------------------------------*/
#define portINITIAL_SW          ( ( portSTACK_TYPE ) 0x0202 )   /* Start the tasks with interrupts enabled. */

#define inline

#endif /* PORTMACRO_H */