2 FreeRTOS.org V5.2.0 - Copyright (C) 2003-2009 Richard Barry.
\r
4 This file is part of the FreeRTOS.org distribution.
\r
6 FreeRTOS.org is free software; you can redistribute it and/or modify it
\r
7 under the terms of the GNU General Public License (version 2) as published
\r
8 by the Free Software Foundation and modified by the FreeRTOS exception.
\r
10 FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT
\r
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
\r
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
\r
15 You should have received a copy of the GNU General Public License along
\r
16 with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59
\r
17 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\r
19 A special exception to the GPL is included to allow you to distribute a
\r
20 combined work that includes FreeRTOS.org without being obliged to provide
\r
21 the source code for any proprietary components. See the licensing section
\r
22 of http://www.FreeRTOS.org for full details.
\r
25 ***************************************************************************
\r
27 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
\r
29 * This is a concise, step by step, 'hands on' guide that describes both *
\r
30 * general multitasking concepts and FreeRTOS specifics. It presents and *
\r
31 * explains numerous examples that are written using the FreeRTOS API. *
\r
32 * Full source code for all the examples is provided in an accompanying *
\r
35 ***************************************************************************
\r
39 Please ensure to read the configuration and relevant port sections of the
\r
40 online documentation.
\r
42 http://www.FreeRTOS.org - Documentation, latest information, license and
\r
45 http://www.SafeRTOS.com - A version that is certified for use in safety
\r
48 http://www.OpenRTOS.com - Commercial support, development, porting,
\r
49 licensing and training services.
\r
55 + Modified the default MAC address as the one used previously was not liked
\r
60 #ifndef SAM_7_EMAC_H
\r
61 #define SAM_7_EMAC_H
\r
63 /* MAC address definition. The MAC address must be unique on the network. */
\r
64 #define emacETHADDR0 0
\r
65 #define emacETHADDR1 0xbd
\r
66 #define emacETHADDR2 0x33
\r
67 #define emacETHADDR3 0x06
\r
68 #define emacETHADDR4 0x68
\r
69 #define emacETHADDR5 0x22
\r
71 /* The IP address being used. */
\r
72 #define emacIPADDR0 172
\r
73 #define emacIPADDR1 25
\r
74 #define emacIPADDR2 218
\r
75 #define emacIPADDR3 205
\r
77 /* The gateway address being used. */
\r
78 #define emacGATEWAY_ADDR0 172
\r
79 #define emacGATEWAY_ADDR1 25
\r
80 #define emacGATEWAY_ADDR2 218
\r
81 #define emacGATEWAY_ADDR3 3
\r
83 /* The network mask being used. */
\r
84 #define emacNET_MASK0 255
\r
85 #define emacNET_MASK1 255
\r
86 #define emacNET_MASK2 0
\r
87 #define emacNET_MASK3 0
\r
90 * Initialise the EMAC driver. If successful a semaphore is returned that
\r
91 * is used by the EMAC ISR to indicate that Rx packets have been received.
\r
92 * If the initialisation fails then NULL is returned.
\r
94 xSemaphoreHandle xEMACInit( void );
\r
97 * Send ulLength bytes from pcFrom. This copies the buffer to one of the
\r
98 * EMAC Tx buffers, then indicates to the EMAC that the buffer is ready.
\r
99 * If lEndOfFrame is true then the data being copied is the end of the frame
\r
100 * and the frame can be transmitted.
\r
102 portLONG lEMACSend( portCHAR *pcFrom, unsigned portLONG ulLength, portLONG lEndOfFrame );
\r
105 * Frames can be read from the EMAC in multiple sections.
\r
106 * Read ulSectionLength bytes from the EMAC receive buffers to pcTo.
\r
107 * ulTotalFrameLength is the size of the entire frame. Generally vEMACRead
\r
108 * will be repetedly called until the sum of all the ulSectionLenths totals
\r
109 * the value of ulTotalFrameLength.
\r
111 void vEMACRead( portCHAR *pcTo, unsigned portLONG ulSectionLength, unsigned portLONG ulTotalFrameLength );
\r
114 * The EMAC driver and interrupt service routines are defined in different
\r
115 * files as the driver is compiled to THUMB, and the ISR to ARM. This function
\r
116 * simply passes the semaphore used to communicate between the two.
\r
118 void vPassEMACSemaphore( xSemaphoreHandle xCreatedSemaphore );
\r
121 * Called by the Tx interrupt, this function traverses the buffers used to
\r
122 * hold the frame that has just completed transmission and marks each as
\r
125 void vClearEMACTxBuffer( void );
\r
128 * Suspend on a semaphore waiting either for the semaphore to be obtained
\r
129 * or a timeout. The semaphore is used by the EMAC ISR to indicate that
\r
130 * data has been received and is ready for processing.
\r
132 void vEMACWaitForInput( void );
\r
135 * Return the length of the next frame in the receive buffers.
\r
137 unsigned portLONG ulEMACInputLength( void );
\r