1 //*----------------------------------------------------------------------------
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2 //* ATMEL Microcontroller Software Support - ROUSSET -
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3 //*----------------------------------------------------------------------------
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4 //* The software is delivered "AS IS" without warranty or condition of any
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5 //* kind, either express, implied or statutory. This includes without
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6 //* limitation any warranty or condition with respect to merchantability or
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7 //* fitness for any particular purpose, or against the infringements of
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8 //* intellectual property rights of others.
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9 //*----------------------------------------------------------------------------
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10 //* File Name : Emac.h
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11 //* Object : Emac header file
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12 //* Creation : Hi 11/18/2002
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14 //*----------------------------------------------------------------------------
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15 #ifndef AT91C_EMAC_H
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16 #define AT91C_EMAC_H
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18 #include "lwipopts.h"
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21 /* Number of receive buffers */
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22 #define NB_RX_BUFFERS 20
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24 /* Size of each receive buffer - DO NOT CHANGE. */
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25 #define ETH_RX_BUFFER_SIZE 128
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27 /* Number of Transmit buffers */
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28 #define NB_TX_BUFFERS ( MEMP_NUM_PBUF / 2 )
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30 /* Size of each Transmit buffer. */
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31 #define ETH_TX_BUFFER_SIZE ( PBUF_POOL_BUFSIZE )
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33 /* Receive Transfer descriptor structure */
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34 typedef struct _AT91S_RxTdDescriptor {
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38 unsigned int status;
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40 unsigned int Length:11;
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41 unsigned int Res0:1;
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42 unsigned int Rxbuf_off:2;
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43 unsigned int StartOfFrame:1;
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44 unsigned int EndOfFrame:1;
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46 unsigned int VlanPriority:3;
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47 unsigned int PriorityTag:1;
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48 unsigned int VlanTag:1;
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49 unsigned int TypeID:1;
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50 unsigned int Sa4Match:1;
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51 unsigned int Sa3Match:1;
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52 unsigned int Sa2Match:1;
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53 unsigned int Sa1Match:1;
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54 unsigned int Res1:1;
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55 unsigned int ExternalAdd:1;
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56 unsigned int UniCast:1;
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57 unsigned int MultiCast:1;
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58 unsigned int BroadCast:1;
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61 }AT91S_RxTdDescriptor, *AT91PS_RxTdDescriptor;
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64 /* Transmit Transfer descriptor structure */
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65 typedef struct _AT91S_TxTdDescriptor {
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69 unsigned int status;
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71 unsigned int Length:11;
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72 unsigned int Res0:4;
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73 unsigned int LastBuff:1;
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74 unsigned int NoCrc:1;
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75 unsigned int Res1:10;
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76 unsigned int BufExhausted:1;
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77 unsigned int TransmitUnderrun:1;
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78 unsigned int TransmitError:1;
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79 unsigned int Wrap:1;
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80 unsigned int BuffUsed:1;
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83 }AT91S_TxTdDescriptor, *AT91PS_TxTdDescriptor;
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85 #define AT91C_OWNERSHIP_BIT 0x00000001
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87 /* Receive status defintion */
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88 #define AT91C_BROADCAST_ADDR ((unsigned int) (1 << 31)) //* Broadcat address detected
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89 #define AT91C_MULTICAST_HASH ((unsigned int) (1 << 30)) //* MultiCast hash match
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90 #define AT91C_UNICAST_HASH ((unsigned int) (1 << 29)) //* UniCast hash match
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91 #define AT91C_EXTERNAL_ADDR ((unsigned int) (1 << 28)) //* External Address match
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92 #define AT91C_SA1_ADDR ((unsigned int) (1 << 26)) //* Specific address 1 match
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93 #define AT91C_SA2_ADDR ((unsigned int) (1 << 25)) //* Specific address 2 match
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94 #define AT91C_SA3_ADDR ((unsigned int) (1 << 24)) //* Specific address 3 match
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95 #define AT91C_SA4_ADDR ((unsigned int) (1 << 23)) //* Specific address 4 match
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96 #define AT91C_TYPE_ID ((unsigned int) (1 << 22)) //* Type ID match
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97 #define AT91C_VLAN_TAG ((unsigned int) (1 << 21)) //* VLAN tag detected
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98 #define AT91C_PRIORITY_TAG ((unsigned int) (1 << 20)) //* PRIORITY tag detected
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99 #define AT91C_VLAN_PRIORITY ((unsigned int) (7 << 17)) //* PRIORITY Mask
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100 #define AT91C_CFI_IND ((unsigned int) (1 << 16)) //* CFI indicator
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101 #define AT91C_EOF ((unsigned int) (1 << 15)) //* EOF
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102 #define AT91C_SOF ((unsigned int) (1 << 14)) //* SOF
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103 #define AT91C_RBF_OFFSET ((unsigned int) (3 << 12)) //* Receive Buffer Offset Mask
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104 #define AT91C_LENGTH_FRAME ((unsigned int) 0x07FF) //* Length of frame
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106 /* Transmit Status definition */
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107 #define AT91C_TRANSMIT_OK ((unsigned int) (1 << 31)) //*
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108 #define AT91C_TRANSMIT_WRAP ((unsigned int) (1 << 30)) //* Wrap bit: mark the last descriptor
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109 #define AT91C_TRANSMIT_ERR ((unsigned int) (1 << 29)) //* RLE:transmit error
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110 #define AT91C_TRANSMIT_UND ((unsigned int) (1 << 28)) //* Transmit Underrun
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111 #define AT91C_BUF_EX ((unsigned int) (1 << 27)) //* Buffers exhausted in mid frame
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112 #define AT91C_TRANSMIT_NO_CRC ((unsigned int) (1 << 16)) //* No CRC will be appended to the current frame
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113 #define AT91C_LAST_BUFFER ((unsigned int) (1 << 15)) //*
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115 #define AT91C_EMAC_CLKEN 0x2
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117 #endif //* AT91C_EMAC_H
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