mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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153 lines
6.2 KiB
C
153 lines
6.2 KiB
C
/*
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FreeRTOS V7.5.2 - Copyright (C) 2013 Real Time Engineers Ltd.
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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>>! NOTE: The modification to the GPL is included to allow you to distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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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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long lEMACSend( char *pcFrom, unsigned long ulLength, long 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( char *pcTo, unsigned long ulSectionLength, unsigned long 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 long ulEMACInputLength( void );
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#endif
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