portable.h

FreeRTOS source code as bundled with the book "Using FreeRTOS Real-Time Kernel - A Practical Approac

/*
	FreeRTOS.org V5.0.4 - Copyright (C) 2003-2008 Richard Barry.

	This file is part of the FreeRTOS.org distribution.

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	along with FreeRTOS.org; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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	the source code for any proprietary components.  See the licensing section
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	Please ensure to read the configuration and relevant port sections of the
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*/

/*-----------------------------------------------------------
 * Portable layer API.  Each function must be defined for each port.
 *----------------------------------------------------------*/

#ifndef PORTABLE_H
#define PORTABLE_H

/* Include the macro file relevant to the port being used. */
#include "portmacro.h"
typedef void ( __interrupt __far *pxISR )();

#ifdef __cplusplus
extern "C" {
#endif
/*
 * Setup the stack of a new task so it is ready to be placed under the
 * scheduler control.  The registers have to be placed on the stack in
 * the order that the port expects to find them.
 */
portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters );

/*
 * Map to the memory management routines required for the port.
 */
void *pvPortMalloc( size_t xSize );
void vPortFree( void *pv );
void vPortInitialiseBlocks( void );

/*
 * Setup the hardware ready for the scheduler to take control.  This generally
 * sets up a tick interrupt and sets timers for the correct tick frequency.
 */
portBASE_TYPE xPortStartScheduler( void );

/*
 * Undo any hardware/ISR setup that was performed by xPortStartScheduler() so
 * the hardware is left in its original condition after the scheduler stops
 * executing.
 */
void vPortEndScheduler( void );

#ifdef __cplusplus
}
#endif

#endif /* PORTABLE_H */