/* | |
* FreeRTOS+UDP V1.0.4 | |
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy of | |
* this software and associated documentation files (the "Software"), to deal in | |
* the Software without restriction, including without limitation the rights to | |
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
* the Software, and to permit persons to whom the Software is furnished to do so, | |
* subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in all | |
* copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
* | |
* http://www.FreeRTOS.org | |
* http://aws.amazon.com/freertos | |
* | |
* 1 tab == 4 spaces! | |
*/ | |
#ifndef LPC18xx_43xx_EMAC_H | |
#define LPC18xx_43xx_EMAC_H | |
/* | |
* Initialise the MAC and PHY. | |
*/ | |
BaseType_t xEMACInit( uint8_t ucMACAddress[ 6 ] ); | |
/* | |
* Return pdTRUE if there is a FreeRTOS Tx descriptor. Return pdFALSE if all | |
* Tx descriptors are already in use. | |
*/ | |
BaseType_t 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. | |
*/ | |
BaseType_t xEMACRxDataAvailable( void ); | |
void vEMACSwapEmptyBufferForRxedData( xNetworkBufferDescriptor_t *pxNetworkBuffer ); | |
#endif /* LPC18xx_43xx_EMAC_H */ | |