FreeRTOS-Kernel/Source/portable/RVDS/ARM_CM3/portmacro.h

/*
    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.

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    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
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*/


#ifndef PORTMACRO_H
#define PORTMACRO_H

#ifdef __cplusplus
extern "C" {
#endif

/*-----------------------------------------------------------
 * 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	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 )		
#define portBYTE_ALIGNMENT			8
/*-----------------------------------------------------------*/	


/* Scheduler utilities. */
extern void vPortYield( void );
extern void vPortYieldFromISR( void );

#define portYIELD()					vPortYieldFromISR()
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYieldFromISR()
/*-----------------------------------------------------------*/


/* Critical section management. */

extern void vPortSetInterruptMask( void );
extern void vPortClearInterruptMask( void );
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );

#define portDISABLE_INTERRUPTS()				vPortSetInterruptMask()
#define portENABLE_INTERRUPTS()					vPortClearInterruptMask()
#define portENTER_CRITICAL()					vPortEnterCritical()
#define portEXIT_CRITICAL()						vPortExitCritical()
#define portSET_INTERRUPT_MASK_FROM_ISR()		0;vPortSetInterruptMask()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)	vPortClearInterruptMask();(void)x

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

/* 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()

#ifdef __cplusplus
}
#endif

#endif /* PORTMACRO_H */