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/*

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

    ***************************************************************************

    *                                                                         *

    * If you are:                                                             *

    *                                                                         *

    *    + New to FreeRTOS,                                                   *

    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *

    *    + Looking for basic training,                                        *

    *    + Wanting to improve your FreeRTOS skills and productivity           *

    *                                                                         *

    * then take a look at the FreeRTOS books - available as PDF or paperback  *

    *                                                                         *

    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *

    *                  http://www.FreeRTOS.org/Documentation                  *

    *                                                                         *

    * A pdf reference manual is also available.  Both are usually delivered   *

    * to your inbox within 20 minutes to two hours when purchased between 8am *

    * and 8pm GMT (although please allow up to 24 hours in case of            *

    * exceptional circumstances).  Thank you for your support!                *

    *                                                                         *

    ***************************************************************************

    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

    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.  See the GNU General Public License for

    more details. You should have received a copy of the GNU General Public

    License and the FreeRTOS license exception along with FreeRTOS; if not it

    can be viewed here: http://www.freertos.org/a00114.html and also obtained

    by writing to Richard Barry, contact details for whom are available on the

    FreeRTOS WEB site.

    1 tab == 4 spaces!

    http://www.FreeRTOS.org - Documentation, latest information, license and

    contact details.

    http://www.SafeRTOS.com - A version that is certified for use in safety

    critical systems.

    http://www.OpenRTOS.com - Commercial support, development, porting,

    licensing and training services.

*/

#ifndef PORTMACRO_H

#define PORTMACRO_H

#ifdef __cplusplus

extern "C" {

#endif

//-----------------------------------------------------------

// Port specific definitions

//-----------------------------------------------------------

// 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

#define portTickType    unsigned portLONG

#define portMAX_DELAY   (portTickType)0xffffffff

#if( configUSE_16_BIT_TICKS == 1 )

        #effor "configUSE_16_BIT_TICKS must be 0"

#endif

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

#define portSTACK_GROWTH                        -1

#define portTICK_RATE_MS                        ( (portTickType) 1000 / configTICK_RATE_HZ )

#define portBYTE_ALIGNMENT                      4

#define portCRITICAL_NESTING_IN_TCB             1

#define portINSTRUCTION_SIZE                    ( ( portSTACK_TYPE ) 4 )

#define portNO_CRITICAL_SECTION_NESTING ( ( portSTACK_TYPE ) 0 )

#define portYIELD_FROM_ISR()                    portYIELD()

#define portYIELD()             \

        __asm__ __volatile__ (  "l.nop       \n\t"  \

                                                        "l.sys 0x0FCC\n\t"  \

                                                        "l.nop       \n\t"  \

        );

#define portNOP()               __asm__ __volatile__ ( "l.nop" )

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

#define portDISABLE_INTERRUPTS()        { extern inline void vPortDisableInterrupts( void ); vPortDisableInterrupts(); }

#define portENABLE_INTERRUPTS()         { extern inline void vPortEnableInterrupts( void );  vPortEnableInterrupts();  }

#define portENTER_CRITICAL()            { extern void vTaskEnterCritical( void ); vTaskEnterCritical();  }

#define portEXIT_CRITICAL()                     { extern void vTaskExitCritical( void );  vTaskExitCritical();   }

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

/* 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 )

/*

        Context layout

        0x00    r9

        0x04    r2

        0x08    r3

        0x0C    r4

        0x10    r5

        0x14    r6

        0x18    r7

        0x1C    r8

        0x20    r10

        0x24    r11

        0x28    r12

        0x2C    r13

        0x30    r14

        0x34    r15

        0x38    r16

        0x3C    r17

        0x40    r18

        0x44    r19

        0x48    r20

        0x4C    r21

        0x50    r22

        0x54    r23

        0x58    r24

        0x5C    r25

        0x60    r26

        0x64    r27

        0x68    r28

        0x6C    r29

        0x70    r30

        0x74    r31

        0x78    ESR

        0x7C    EPCR

*/

#define REDZONE_SIZE            (128)

#define CONTEXT_SIZE            (128)

#define STACKFRAME_SIZE         (CONTEXT_SIZE + REDZONE_SIZE)

#ifdef __cplusplus

}

#endif

#endif /* PORTMACRO_H */