2 FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 See http://www.FreeRTOS.org for documentation, latest information, license
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28 and contact details. Please ensure to read the configuration and relevant
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29 port sections of the online documentation.
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30 ***************************************************************************
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36 + Modified the default MAC address as the one used previously was not liked
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41 #ifndef SAM_7_EMAC_H
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42 #define SAM_7_EMAC_H
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44 /* MAC address definition. The MAC address must be unique on the network. */
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45 #define emacETHADDR0 0
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46 #define emacETHADDR1 0xbd
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47 #define emacETHADDR2 0x33
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48 #define emacETHADDR3 0x06
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49 #define emacETHADDR4 0x68
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50 #define emacETHADDR5 0x22
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52 /* The IP address being used. */
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53 #define emacIPADDR0 172
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54 #define emacIPADDR1 25
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55 #define emacIPADDR2 218
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56 #define emacIPADDR3 205
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58 /* The gateway address being used. */
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59 #define emacGATEWAY_ADDR0 172
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60 #define emacGATEWAY_ADDR1 25
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61 #define emacGATEWAY_ADDR2 218
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62 #define emacGATEWAY_ADDR3 3
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64 /* The network mask being used. */
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65 #define emacNET_MASK0 255
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66 #define emacNET_MASK1 255
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67 #define emacNET_MASK2 0
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68 #define emacNET_MASK3 0
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71 * Initialise the EMAC driver. If successful a semaphore is returned that
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72 * is used by the EMAC ISR to indicate that Rx packets have been received.
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73 * If the initialisation fails then NULL is returned.
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75 xSemaphoreHandle xEMACInit( void );
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78 * Send ulLength bytes from pcFrom. This copies the buffer to one of the
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79 * EMAC Tx buffers, then indicates to the EMAC that the buffer is ready.
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80 * If lEndOfFrame is true then the data being copied is the end of the frame
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81 * and the frame can be transmitted.
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83 portLONG lEMACSend( portCHAR *pcFrom, unsigned portLONG ulLength, portLONG lEndOfFrame );
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86 * Frames can be read from the EMAC in multiple sections.
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87 * Read ulSectionLength bytes from the EMAC receive buffers to pcTo.
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88 * ulTotalFrameLength is the size of the entire frame. Generally vEMACRead
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89 * will be repetedly called until the sum of all the ulSectionLenths totals
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90 * the value of ulTotalFrameLength.
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92 void vEMACRead( portCHAR *pcTo, unsigned portLONG ulSectionLength, unsigned portLONG ulTotalFrameLength );
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95 * The EMAC driver and interrupt service routines are defined in different
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96 * files as the driver is compiled to THUMB, and the ISR to ARM. This function
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97 * simply passes the semaphore used to communicate between the two.
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99 void vPassEMACSemaphore( xSemaphoreHandle xCreatedSemaphore );
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102 * Called by the Tx interrupt, this function traverses the buffers used to
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103 * hold the frame that has just completed transmission and marks each as
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106 void vClearEMACTxBuffer( void );
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109 * Suspend on a semaphore waiting either for the semaphore to be obtained
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110 * or a timeout. The semaphore is used by the EMAC ISR to indicate that
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111 * data has been received and is ready for processing.
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113 void vEMACWaitForInput( void );
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116 * Return the length of the next frame in the receive buffers.
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118 unsigned portLONG ulEMACInputLength( void );
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