FreeRTOSV7.2.0/FreeRTOS/Source/portable/MSVC-MingW/portmacro.h

/*
    FreeRTOS V7.2.0 - 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
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*/

#ifndef PORTMACRO_H
#define PORTMACRO_H

#include <Windows.h>

/******************************************************************************
	Defines
******************************************************************************/
/* 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
#else
    typedef unsigned portLONG portTickType;
    #define portMAX_DELAY ( portTickType ) 0xffffffff
#endif

/* Hardware specifics. */
#define portSTACK_GROWTH			( -1 )
#define portTICK_RATE_MS			( ( portTickType ) 1000 / configTICK_RATE_HZ )	
#define portBYTE_ALIGNMENT			4

#define portYIELD()					vPortGenerateSimulatedInterrupt( portINTERRUPT_YIELD )

void vPortDeleteThread( void *pvThreadToDelete );
#define portCLEAN_UP_TCB( pxTCB )	vPortDeleteThread( pxTCB )
#define portDISABLE_INTERRUPTS()
#define portENABLE_INTERRUPTS()

/* Critical section handling. */
void vPortEnterCritical( void );
void vPortExitCritical( void );

#define portENTER_CRITICAL()		vPortEnterCritical()
#define portEXIT_CRITICAL()			vPortExitCritical()

/* 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 portINTERRUPT_YIELD				( 0UL )
#define portINTERRUPT_TICK				( 1UL )

/* 
 * Raise a simulated interrupt represented by the bit mask in ulInterruptMask.
 * Each bit can be used to represent an individual interrupt - with the first
 * two bits being used for the Yield and Tick interrupts respectively.
*/
void vPortGenerateSimulatedInterrupt( unsigned long ulInterruptNumber );

/*
 * Install an interrupt handler to be called by the simulated interrupt handler 
 * thread.  The interrupt number must be above any used by the kernel itself
 * (at the time of writing the kernel was using interrupt numbers 0, 1, and 2
 * as defined above).  The number must also be lower than 32. 
 *
 * Interrupt handler functions must return a non-zero value if executing the
 * handler resulted in a task switch being required. 
 */
void vPortSetInterruptHandler( unsigned long ulInterruptNumber, unsigned long (*pvHandler)( void ) );

#endif