FreeRTOS/Source/portable/IAR/RX600/portmacro.h

/*
    FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.
	

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*/


#ifndef PORTMACRO_H
#define PORTMACRO_H

#include <intrinsics.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 - these are a bit legacy and not really used now, other than
portSTACK_TYPE and portBASE_TYPE. */
#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
/*-----------------------------------------------------------*/

/* Hardware specifics. */
#define portBYTE_ALIGNMENT			8	/* Could make four, according to manual. */
#define portSTACK_GROWTH			-1
#define portTICK_RATE_MS			( ( portTickType ) 1000 / configTICK_RATE_HZ )		
#define portNOP()					__no_operation()

/* The location of the software interrupt register.  Software interrupts use
vector 27. */
#define portITU_SWINTR			( ( unsigned char * ) 0x000872E0 )
#define portYIELD()				*portITU_SWINTR = ( unsigned char ) 0x01; portNOP(); portNOP(); portNOP(); portNOP(); portNOP()
#define portYIELD_FROM_ISR( x )	if( ( x ) != pdFALSE ) portYIELD()

/*
 * These macros should be called directly, but through the taskENTER_CRITICAL()
 * and taskEXIT_CRITICAL() macros.
 */
#define portENABLE_INTERRUPTS() 	__set_interrupt_level( ( unsigned char ) 0 )
#define portDISABLE_INTERRUPTS() 	__set_interrupt_level( ( unsigned char ) configMAX_SYSCALL_INTERRUPT_PRIORITY )

/* Critical nesting counts are stored in the TCB. */
#define portCRITICAL_NESTING_IN_TCB ( 1 )

/* The critical nesting functions defined within tasks.c. */
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
#define portENTER_CRITICAL()	vTaskEnterCritical()
#define portEXIT_CRITICAL()		vTaskExitCritical()

/* As this port allows interrupt nesting... */
unsigned long ulPortGetIPL( void );
void vPortSetIPL( unsigned long ulNewIPL );
#define portSET_INTERRUPT_MASK_FROM_ISR() __get_interrupt_level(); portDISABLE_INTERRUPTS()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) __set_interrupt_level( ( unsigned char ) ( uxSavedInterruptStatus ) )

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

/* 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 )

#ifdef __cplusplus
}
#endif

#endif /* PORTMACRO_H */