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/*
* FreeRTOS+UDP V1.0.3 (C) 2014 Real Time Engineers ltd.
* All rights reserved
*
* This file is part of the FreeRTOS+UDP distribution. The FreeRTOS+UDP license
* terms are different to the FreeRTOS license terms.
*
* FreeRTOS+UDP uses a dual license model that allows the software to be used
* under a standard GPL open source license, or a commercial license. The
* standard GPL license (unlike the modified GPL license under which FreeRTOS
* itself is distributed) requires that all software statically linked with
* FreeRTOS+UDP is also distributed under the same GPL V2 license terms.
* Details of both license options follow:
*
* - Open source licensing -
* FreeRTOS+UDP is a free download and may be used, modified, evaluated and
* distributed without charge provided the user adheres to version two of the
* GNU General Public License (GPL) and does not remove the copyright notice or
* this text. The GPL V2 text is available on the gnu.org web site, and on the
* following URL: http://www.FreeRTOS.org/gpl-2.0.txt.
*
* - Commercial licensing -
* Businesses and individuals that for commercial or other reasons cannot comply
* with the terms of the GPL V2 license must obtain a commercial license before
* incorporating FreeRTOS+UDP into proprietary software for distribution in any
* form. Commercial licenses can be purchased from http://shop.freertos.org/udp
* and do not require any source files to be changed.
*
* FreeRTOS+UDP is distributed in the hope that it will be useful. You cannot
* use FreeRTOS+UDP unless you agree that you use the software 'as is'.
* FreeRTOS+UDP is provided WITHOUT ANY WARRANTY; without even the implied
* warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. Real Time Engineers Ltd. disclaims all conditions and terms, be they
* implied, expressed, or statutory.
*
* 1 tab == 4 spaces!
*
* http://www.FreeRTOS.org
* http://www.FreeRTOS.org/udp
*
*/
#ifndef LPC18xx_43xx_EMAC_H
#define LPC18xx_43xx_EMAC_H
/*
* Initialise the MAC and PHY.
*/
portBASE_TYPE xEMACInit( uint8_t ucMACAddress[ 6 ] );
/*
* Return pdTRUE if there is a FreeRTOS Tx descriptor. Return pdFALSE if all
* Tx descriptors are already in use.
*/
portBASE_TYPE xEMACIsTxDescriptorAvailable( void );
/*
* Assign a buffer to a Tx descriptor so it is ready to be transmitted, but
* don't start the transmission yet.
*/
void vEMACAssignBufferToDescriptor( uint8_t * pucBuffer );
/*
* Start transmitting the buffer pointed to by the next Tx descriptor. The
* buffer must have first been allocated to the Tx descriptor using a call to
* vEMACAssignBufferToDescriptor().
*/
void vEMACStartNextTransmission( uint32_t ulLength );
/*
* The data pointed to by the Rx descriptor has been consumed, and the Rx
* descriptor can be returned to the control of the DMS.
*/
void vEMACReturnRxDescriptor( void );
/*
* Returns pdTRUE if the next Rx descriptor contains received data. Returns
* pdFLASE fi the next Rx descriptor is still under the control of the DMA.
*/
portBASE_TYPE xEMACRxDataAvailable( void );
void vEMACSwapEmptyBufferForRxedData( xNetworkBufferDescriptor_t *pxNetworkBuffer );
#endif /* LPC18xx_43xx_EMAC_H */
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