/*
    FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS provides completely free yet professionally developed,    *
     *    robust, strictly quality controlled, supported, and cross          *
     *    platform software that has become a de facto standard.             *
     *                                                                       *
     *    Help yourself get started quickly and support the FreeRTOS         *
     *    project by purchasing a FreeRTOS tutorial book, reference          *
     *    manual, or both from: http://www.FreeRTOS.org/Documentation        *
     *                                                                       *
     *    Thank you!                                                         *
     *                                                                       *
    ***************************************************************************

    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 from the following
    link: http://www.freertos.org/a00114.html

    1 tab == 4 spaces!

    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
     *    not run, what could be wrong?"                                     *
     *                                                                       *
     *    http://www.FreeRTOS.org/FAQHelp.html                               *
     *                                                                       *
    ***************************************************************************

    http://www.FreeRTOS.org - Documentation, books, training, latest versions,
    license and Real Time Engineers Ltd. contact details.

    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
    including FreeRTOS+Trace - an indispensable productivity tool, a DOS
    compatible FAT file system, and our tiny thread aware UDP/IP stack.

    http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
    Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS
    licenses offer ticketed support, indemnification and 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

#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.
 *-----------------------------------------------------------
 */

#if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__
	#warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.
#endif

#if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__
	#warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.
#endif

/* Type definitions. */

#define portCHAR        char
#define portFLOAT       float
#define portDOUBLE      double
#define portLONG        long
#define portSHORT       short
#define portSTACK_TYPE  unsigned short
#define portBASE_TYPE   short

#if __DATA_MODEL__ == __DATA_MODEL_FAR__
	#define portPOINTER_SIZE_TYPE unsigned long
#else
	#define portPOINTER_SIZE_TYPE unsigned short
#endif


#if ( configUSE_16_BIT_TICKS == 1 )
	typedef unsigned int portTickType;
	#define portMAX_DELAY ( portTickType ) 0xffff
#else
	typedef unsigned long portTickType;
	#define portMAX_DELAY ( portTickType ) 0xffffffff
#endif
/*-----------------------------------------------------------*/

/* Interrupt control macros. */
#define portDISABLE_INTERRUPTS() __asm ( "DI" )
#define portENABLE_INTERRUPTS()	 __asm ( "EI" )
/*-----------------------------------------------------------*/

/* Critical section control macros. */
#define portNO_CRITICAL_SECTION_NESTING		( ( unsigned portSHORT ) 0 )

#define portENTER_CRITICAL()													\
{																				\
extern volatile unsigned short usCriticalNesting;								\
																				\
	portDISABLE_INTERRUPTS();													\
																				\
	/* Now interrupts are disabled ulCriticalNesting can be accessed */			\
	/* directly.  Increment ulCriticalNesting to keep a count of how many */	\
	/* times portENTER_CRITICAL() has been called. */							\
	usCriticalNesting++;														\
}

#define portEXIT_CRITICAL()														\
{																				\
extern volatile unsigned short usCriticalNesting;								\
																				\
	if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )					\
	{																			\
		/* Decrement the nesting count as we are leaving a critical section. */	\
		usCriticalNesting--;													\
																				\
		/* If the nesting level has reached zero then interrupts should be */	\
		/* re-enabled. */														\
		if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )				\
		{																		\
			portENABLE_INTERRUPTS();											\
		}																		\
	}																			\
}
/*-----------------------------------------------------------*/

/* Task utilities. */
#define portYIELD()	__asm( "BRK" )
#define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()
#define portNOP()	__asm( "NOP" )
/*-----------------------------------------------------------*/

/* Hardwware specifics. */
#define portBYTE_ALIGNMENT	2
#define portSTACK_GROWTH	( -1 )
#define portTICK_RATE_MS	( ( portTickType ) 1000 / configTICK_RATE_HZ )
/*-----------------------------------------------------------*/

/* 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 */