begriffs open source - cmsis-freertos/blob - Demo/lwIP_Demo_Rowley

1 //*----------------------------------------------------------------------------

2 //* ATMEL Microcontroller Software Support - ROUSSET -

3 //*----------------------------------------------------------------------------

4 //* The software is delivered "AS IS" without warranty or condition of any

5 //* kind, either express, implied or statutory. This includes without

6 //* limitation any warranty or condition with respect to merchantability or

7 //* fitness for any particular purpose, or against the infringements of

8 //* intellectual property rights of others.

9 //*----------------------------------------------------------------------------

10 //* File Name : Emac.h

11 //* Object : Emac header file

12 //* Creation : Hi 11/18/2002

13 //*

14 //*----------------------------------------------------------------------------

15 #ifndef AT91C_EMAC_H

16 #define AT91C_EMAC_H

17

18 #include "lwipopts.h"

19

20

21 /* Number of receive buffers */

22 #define NB_RX_BUFFERS 20

23

24 /* Size of each receive buffer - DO NOT CHANGE. */

25 #define ETH_RX_BUFFER_SIZE 128

26

27 /* Number of Transmit buffers */

28 #define NB_TX_BUFFERS ( MEMP_NUM_PBUF / 2 )

29

30 /* Size of each Transmit buffer. */

31 #define ETH_TX_BUFFER_SIZE ( PBUF_POOL_BUFSIZE )

32

33 /* Receive Transfer descriptor structure */

34 typedef struct _AT91S_RxTdDescriptor {

35 unsigned int addr;

36 union

37 {

38 unsigned int status;

39 struct {

40 unsigned int Length:11;

41 unsigned int Res0:1;

42 unsigned int Rxbuf_off:2;

43 unsigned int StartOfFrame:1;

44 unsigned int EndOfFrame:1;

45 unsigned int Cfi:1;

46 unsigned int VlanPriority:3;

47 unsigned int PriorityTag:1;

48 unsigned int VlanTag:1;

49 unsigned int TypeID:1;

50 unsigned int Sa4Match:1;

51 unsigned int Sa3Match:1;

52 unsigned int Sa2Match:1;

53 unsigned int Sa1Match:1;

54 unsigned int Res1:1;

55 unsigned int ExternalAdd:1;

56 unsigned int UniCast:1;

57 unsigned int MultiCast:1;

58 unsigned int BroadCast:1;

59 }S_Status;

60 }U_Status;

61 }AT91S_RxTdDescriptor, *AT91PS_RxTdDescriptor;

62

63

64 /* Transmit Transfer descriptor structure */

65 typedef struct _AT91S_TxTdDescriptor {

66 unsigned int addr;

67 union

68 {

69 unsigned int status;

70 struct {

71 unsigned int Length:11;

72 unsigned int Res0:4;

73 unsigned int LastBuff:1;

74 unsigned int NoCrc:1;

75 unsigned int Res1:10;

76 unsigned int BufExhausted:1;

77 unsigned int TransmitUnderrun:1;

78 unsigned int TransmitError:1;

79 unsigned int Wrap:1;

80 unsigned int BuffUsed:1;

81 }S_Status;

82 }U_Status;

83 }AT91S_TxTdDescriptor, *AT91PS_TxTdDescriptor;

84

85 #define AT91C_OWNERSHIP_BIT 0x00000001

86

87 /* Receive status defintion */

88 #define AT91C_BROADCAST_ADDR ((unsigned int) (1 << 31)) //* Broadcat address detected

89 #define AT91C_MULTICAST_HASH ((unsigned int) (1 << 30)) //* MultiCast hash match

90 #define AT91C_UNICAST_HASH ((unsigned int) (1 << 29)) //* UniCast hash match

91 #define AT91C_EXTERNAL_ADDR ((unsigned int) (1 << 28)) //* External Address match

92 #define AT91C_SA1_ADDR ((unsigned int) (1 << 26)) //* Specific address 1 match

93 #define AT91C_SA2_ADDR ((unsigned int) (1 << 25)) //* Specific address 2 match

94 #define AT91C_SA3_ADDR ((unsigned int) (1 << 24)) //* Specific address 3 match

95 #define AT91C_SA4_ADDR ((unsigned int) (1 << 23)) //* Specific address 4 match

96 #define AT91C_TYPE_ID ((unsigned int) (1 << 22)) //* Type ID match

97 #define AT91C_VLAN_TAG ((unsigned int) (1 << 21)) //* VLAN tag detected

98 #define AT91C_PRIORITY_TAG ((unsigned int) (1 << 20)) //* PRIORITY tag detected

99 #define AT91C_VLAN_PRIORITY ((unsigned int) (7 << 17)) //* PRIORITY Mask

100 #define AT91C_CFI_IND ((unsigned int) (1 << 16)) //* CFI indicator

101 #define AT91C_EOF ((unsigned int) (1 << 15)) //* EOF

102 #define AT91C_SOF ((unsigned int) (1 << 14)) //* SOF

103 #define AT91C_RBF_OFFSET ((unsigned int) (3 << 12)) //* Receive Buffer Offset Mask

104 #define AT91C_LENGTH_FRAME ((unsigned int) 0x07FF) //* Length of frame

105

106 /* Transmit Status definition */

107 #define AT91C_TRANSMIT_OK ((unsigned int) (1 << 31)) //*

108 #define AT91C_TRANSMIT_WRAP ((unsigned int) (1 << 30)) //* Wrap bit: mark the last descriptor

109 #define AT91C_TRANSMIT_ERR ((unsigned int) (1 << 29)) //* RLE:transmit error

110 #define AT91C_TRANSMIT_UND ((unsigned int) (1 << 28)) //* Transmit Underrun

111 #define AT91C_BUF_EX ((unsigned int) (1 << 27)) //* Buffers exhausted in mid frame

112 #define AT91C_TRANSMIT_NO_CRC ((unsigned int) (1 << 16)) //* No CRC will be appended to the current frame

113 #define AT91C_LAST_BUFFER ((unsigned int) (1 << 15)) //*

114

115 #define AT91C_EMAC_CLKEN 0x2

116

117 #endif //* AT91C_EMAC_H