Demo/CORTEX_STM32F107_GCC_Rowley/webserver/emac.h

/*
    FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
	

    ***************************************************************************
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     *    professional grade, cross platform, de facto standard solutions    *
     *    for microcontrollers - completely free of charge!                  *
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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
    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.  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
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    FreeRTOS WEB site.

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*/

#ifndef EMAC__H
#define EMAC__H

/*
 * Initialise all IO and peripherals required for Ethernet communication.
 */
portBASE_TYPE xEthInitialise( void );

/*
 * Look for new received data.  If any is found then set uip_buf to point to the
 * data and return the length of the data.  If no data is found then 0 is
 * returned, and uip_buf is left pointing to a spare data buffer.
 */
unsigned short usGetMACRxData( void );

/*
 * Send usDataLen bytes from uip_buf to the MAC for transmission.
 */
void vSendMACData( unsigned short usDataLen );

/*
 * Return a buffer to the pool of free buffers.
 */
void vReturnBuffer( unsigned char *pucBuffer );

#endif