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124 lines
4.4 KiB
C
124 lines
4.4 KiB
C
/*
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FreeRTOS.org V4.4.0 - Copyright (C) 2003-2007 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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See http://www.FreeRTOS.org for documentation, latest information, license
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and contact details. Please ensure to read the configuration and relevant
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port sections of the online documentation.
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Also see http://www.SafeRTOS.com for an IEC 61508 compliant version along
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with commercial development and support options.
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***************************************************************************
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*/
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/*
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Changes from V3.2.4
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+ Modified the default MAC address as the one used previously was not liked
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by some routers.
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*/
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#ifndef SAM_7_EMAC_H
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#define SAM_7_EMAC_H
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/* MAC address definition. The MAC address must be unique on the network. */
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#define emacETHADDR0 0
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#define emacETHADDR1 0xbd
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#define emacETHADDR2 0x33
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#define emacETHADDR3 0x06
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#define emacETHADDR4 0x68
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#define emacETHADDR5 0x22
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/* The IP address being used. */
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#define emacIPADDR0 172
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#define emacIPADDR1 25
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#define emacIPADDR2 218
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#define emacIPADDR3 205
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/* The gateway address being used. */
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#define emacGATEWAY_ADDR0 172
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#define emacGATEWAY_ADDR1 25
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#define emacGATEWAY_ADDR2 218
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#define emacGATEWAY_ADDR3 3
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/* The network mask being used. */
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#define emacNET_MASK0 255
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#define emacNET_MASK1 255
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#define emacNET_MASK2 0
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#define emacNET_MASK3 0
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/*
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* Initialise the EMAC driver. If successful a semaphore is returned that
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* is used by the EMAC ISR to indicate that Rx packets have been received.
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* If the initialisation fails then NULL is returned.
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*/
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xSemaphoreHandle xEMACInit( void );
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/*
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* Send ulLength bytes from pcFrom. This copies the buffer to one of the
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* EMAC Tx buffers, then indicates to the EMAC that the buffer is ready.
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* If lEndOfFrame is true then the data being copied is the end of the frame
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* and the frame can be transmitted.
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*/
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portLONG lEMACSend( portCHAR *pcFrom, unsigned portLONG ulLength, portLONG lEndOfFrame );
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/*
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* Frames can be read from the EMAC in multiple sections.
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* Read ulSectionLength bytes from the EMAC receive buffers to pcTo.
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* ulTotalFrameLength is the size of the entire frame. Generally vEMACRead
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* will be repetedly called until the sum of all the ulSectionLenths totals
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* the value of ulTotalFrameLength.
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*/
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void vEMACRead( portCHAR *pcTo, unsigned portLONG ulSectionLength, unsigned portLONG ulTotalFrameLength );
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/*
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* The EMAC driver and interrupt service routines are defined in different
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* files as the driver is compiled to THUMB, and the ISR to ARM. This function
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* simply passes the semaphore used to communicate between the two.
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*/
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void vPassEMACSemaphore( xSemaphoreHandle xCreatedSemaphore );
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/*
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* Called by the Tx interrupt, this function traverses the buffers used to
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* hold the frame that has just completed transmission and marks each as
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* free again.
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*/
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void vClearEMACTxBuffer( void );
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/*
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* Suspend on a semaphore waiting either for the semaphore to be obtained
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* or a timeout. The semaphore is used by the EMAC ISR to indicate that
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* data has been received and is ready for processing.
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*/
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void vEMACWaitForInput( void );
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/*
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* Return the length of the next frame in the receive buffers.
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*/
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unsigned portLONG ulEMACInputLength( void );
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#endif
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