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/*
    FreeRTOS V8.2.2 - Copyright (C) 2015 Real Time Engineers Ltd.
    All rights reserved

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    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 modification to the GPL is included to allow you to     !<<
    >>!   distribute a combined work that includes FreeRTOS without being   !<<
    >>!   obliged to provide the source code for proprietary components     !<<
    >>!   outside of the FreeRTOS kernel.                                   !<<
    ***************************************************************************

    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.  Full license text is available on the following
    link: http://www.freertos.org/a00114.html

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS provides completely free yet professionally developed,    *
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     *    tutorial book, reference manual, or both:                          *
     *    http://www.FreeRTOS.org/Documentation                              *
     *                                                                       *
    ***************************************************************************

    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading
    the FAQ page "My application does not run, what could be wrong?".  Have you
    defined configASSERT()?

    http://www.FreeRTOS.org/support - In return for receiving this top quality
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    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.

    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS
    licenses offer ticketed support, indemnification and commercial middleware.

    http://www.SafeRTOS.com - High Integrity Systems also provide a safety
    engineered and independently SIL3 certified version for use in safety and
    mission critical applications that require provable dependability.

    1 tab == 4 spaces!
*/

#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	size_t
#define portBASE_TYPE	long
#define portPOINTER_SIZE_TYPE size_t

typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;


#if( configUSE_16_BIT_TICKS == 1 )
    typedef uint16_t TickType_t;
    #define portMAX_DELAY ( TickType_t ) 0xffff
#else
    typedef uint32_t TickType_t;
    #define portMAX_DELAY ( TickType_t ) 0xffffffffUL

	/* 32/64-bit tick type on a 32/64-bit architecture, so reads of the tick
	count do not need to be guarded with a critical section. */
	#define portTICK_TYPE_IS_ATOMIC 1
#endif

/* Hardware specifics. */
#define portSTACK_GROWTH			( -1 )
#define portTICK_PERIOD_MS			( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portINLINE __inline

#if defined( __x86_64__) || defined( _M_X64 )
	#define portBYTE_ALIGNMENT		8
#else
	#define portBYTE_ALIGNMENT		4
#endif

#define portYIELD()					vPortGenerateSimulatedInterrupt( portINTERRUPT_YIELD )

/* Simulated interrupts return pdFALSE if no context switch should be performed,
or a non-zero number if a context switch should be performed. */
#define portYIELD_FROM_ISR( x ) return x

void vPortCloseRunningThread( void *pvTaskToDelete, volatile BaseType_t *pxPendYield );
void vPortDeleteThread( void *pvThreadToDelete );
#define portCLEAN_UP_TCB( pxTCB )	vPortDeleteThread( pxTCB )
#define portPRE_TASK_DELETE_HOOK( pvTaskToDelete, pxPendYield ) vPortCloseRunningThread( ( pvTaskToDelete ), ( pxPendYield ) )
#define portDISABLE_INTERRUPTS() vPortEnterCritical()
#define portENABLE_INTERRUPTS() vPortExitCritical()

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

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

#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
	#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
#endif

#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1

	/* Check the configuration. */
	#if( configMAX_PRIORITIES > 32 )
		#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32.  It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
	#endif

	/* Store/clear the ready priorities in a bit map. */
	#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
	#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )


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

	#ifdef __GNUC__
		#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities )	\
			__asm volatile(	"bsr %1, %0\n\t" 									\
							:"=r"(uxTopPriority) : "rm"(uxReadyPriorities) : "cc" )
	#else
		/* BitScanReverse returns the bit position of the most significant '1'
		in the word. */
		#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) _BitScanReverse( ( DWORD * ) &( uxTopPriority ), ( uxReadyPriorities ) )
	#endif /* __GNUC__ */

#endif /* taskRECORD_READY_PRIORITY */

#ifndef __GNUC__
	__pragma( warning( disable:4211 ) ) /* Nonstandard extension used, as extern is only nonstandard to MSVC. */
#endif


/* 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( uint32_t 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( uint32_t ulInterruptNumber, uint32_t (*pvHandler)( void ) );

#endif