📄 enc28j60.h
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#ifndef IN_ENC28J60
#define IN_ENC28J60
typedef union _WORD_BYTES
{
u16_t word;
u8_t bytes[2];
struct
{
u8_t low;
u8_t high;
} byte;
}WORD_BYTES;
typedef union _DWORD_BYTE
{
u32_t dword;
u16_t words[2];
u8_t bytes[4];
struct
{
u16_t low;
u16_t high;
} word;
struct
{
u8_t LB;
u8_t HB;
u8_t UB;
u8_t MB;
} byte;
} DWORD_BYTES;
// mac address structure
typedef struct _MAC_ADDR
{
u8_t byte[6];
}MAC_ADDR;
// IP address structure
typedef struct _IP_ADDR
{
u8_t byte[4];
}IP_ADDR;
// ethernet header structure
typedef struct _ETH_HEADER
{
MAC_ADDR dest_mac;
MAC_ADDR src_mac;
WORD_BYTES type;
}ETH_HEADER;
// IP header structure
typedef struct _IP_HEADER
{
u8_t version_hlen;
u8_t type_of_service;
WORD_BYTES total_length;
WORD_BYTES indentificaton;
WORD_BYTES flagment;
u8_t time_to_live;
u8_t protocol;
WORD_BYTES checksum;
IP_ADDR src_ip;
IP_ADDR dest_ip;
}IP_HEADER;
// TCP Header
typedef struct _TCP_HEADER
{
WORD_BYTES src_port;
WORD_BYTES dest_port;
DWORD_BYTES sequence_number;
DWORD_BYTES seqack_number;
union
{
// struct
// {
// u8_t reserved:4;
// u8_t value:4;
// }nibble;
u8_t byte;
}data_offset;
union
{
// struct
// {
// u8_t FIN:1;
// u8_t SYN:1;
// u8_t RST:1;
// u8_t PSH:1;
// u8_t ACK:1;
// u8_t URG:1;
// u8_t reserved:2;
// } bits;
u8_t byte;
} flags;
WORD_BYTES window;
WORD_BYTES checksum;
WORD_BYTES urgent_pointer;
} TCP_HEADER;
// UDP Header
typedef struct _UDP_HEADER
{
WORD_BYTES src_port;
WORD_BYTES dest_port;
WORD_BYTES udp_length;
WORD_BYTES checksum;
} UDP_HEADER;
// ARP packet structure
typedef struct _ARP_PACKET
{
WORD_BYTES hardware_type;
WORD_BYTES protocol_type;
u8_t hardware_length;
u8_t protocol_length;
WORD_BYTES opcode;
MAC_ADDR src_mac;
IP_ADDR src_ip;
MAC_ADDR dest_mac;
IP_ADDR dest_ip;
} ARP_PACKET;
// ICMP packet structure
#define ICMP_MAX_DATA 32
typedef struct _ICMP_PACKET
{
u8_t type;
u8_t code;
WORD_BYTES checksum;
WORD_BYTES identifier;
WORD_BYTES sequence_number;
u8_t data[ICMP_MAX_DATA];
} ICMP_PACKET;
#define LOW(uint) (uint&0xFF)
#define HIGH(uint) ((uint>>8)&0xFF)
#define RST_ENC28J60() IO0CLR |= (1 << 15)
#define RLS_ENC28J60() IO0SET |= (1 << 15)
#define ADDR_MASK 0x1F
#define BANK_MASK 0x60
#define SPRD_MASK 0x80
// All-bank registers
#define EIE 0x1B
#define EIR 0x1C
#define ESTAT 0x1D
#define ECON2 0x1E
#define ECON1 0x1F
// Bank 0 registers
#define ERDPTL (0x00|0x00)
#define ERDPTH (0x01|0x00)
#define EWRPTL (0x02|0x00)
#define EWRPTH (0x03|0x00)
#define ETXSTL (0x04|0x00)
#define ETXSTH (0x05|0x00)
#define ETXNDL (0x06|0x00)
#define ETXNDH (0x07|0x00)
#define ERXSTL (0x08|0x00)
#define ERXSTH (0x09|0x00)
#define ERXNDL (0x0A|0x00)
#define ERXNDH (0x0B|0x00)
#define ERXRDPTL (0x0C|0x00)
#define ERXRDPTH (0x0D|0x00)
#define ERXWRPTL (0x0E|0x00)
#define ERXWRPTH (0x0F|0x00)
#define EDMASTL (0x10|0x00)
#define EDMASTH (0x11|0x00)
#define EDMANDL (0x12|0x00)
#define EDMANDH (0x13|0x00)
#define EDMADSTL (0x14|0x00)
#define EDMADSTH (0x15|0x00)
#define EDMACSL (0x16|0x00)
#define EDMACSH (0x17|0x00)
// Bank 1 registers
#define EHT0 (0x00|0x20)
#define EHT1 (0x01|0x20)
#define EHT2 (0x02|0x20)
#define EHT3 (0x03|0x20)
#define EHT4 (0x04|0x20)
#define EHT5 (0x05|0x20)
#define EHT6 (0x06|0x20)
#define EHT7 (0x07|0x20)
#define EPMM0 (0x08|0x20)
#define EPMM1 (0x09|0x20)
#define EPMM2 (0x0A|0x20)
#define EPMM3 (0x0B|0x20)
#define EPMM4 (0x0C|0x20)
#define EPMM5 (0x0D|0x20)
#define EPMM6 (0x0E|0x20)
#define EPMM7 (0x0F|0x20)
#define EPMCSL (0x10|0x20)
#define EPMCSH (0x11|0x20)
#define EPMOL (0x14|0x20)
#define EPMOH (0x15|0x20)
#define EWOLIE (0x16|0x20)
#define EWOLIR (0x17|0x20)
#define ERXFCON (0x18|0x20)
#define EPKTCNT (0x19|0x20)
// Bank 2 registers
#define MACON1 (0x00|0x40|0x80)
#define MACON2 (0x01|0x40|0x80)
#define MACON3 (0x02|0x40|0x80)
#define MACON4 (0x03|0x40|0x80)
#define MABBIPG (0x04|0x40|0x80)
#define MAIPGL (0x06|0x40|0x80)
#define MAIPGH (0x07|0x40|0x80)
#define MACLCON1 (0x08|0x40|0x80)
#define MACLCON2 (0x09|0x40|0x80)
#define MAMXFLL (0x0A|0x40|0x80)
#define MAMXFLH (0x0B|0x40|0x80)
#define MAPHSUP (0x0D|0x40|0x80)
#define MICON (0x11|0x40|0x80)
#define MICMD (0x12|0x40|0x80)
#define MIREGADR (0x14|0x40|0x80)
#define MIWRL (0x16|0x40|0x80)
#define MIWRH (0x17|0x40|0x80)
#define MIRDL (0x18|0x40|0x80)
#define MIRDH (0x19|0x40|0x80)
// Bank 3 registers
#define MAADR1 (0x00|0x60|0x80)
#define MAADR0 (0x01|0x60|0x80)
#define MAADR3 (0x02|0x60|0x80)
#define MAADR2 (0x03|0x60|0x80)
#define MAADR5 (0x04|0x60|0x80)
#define MAADR4 (0x05|0x60|0x80)
#define EBSTSD (0x06|0x60)
#define EBSTCON (0x07|0x60)
#define EBSTCSL (0x08|0x60)
#define EBSTCSH (0x09|0x60)
#define MISTAT (0x0A|0x60|0x80)
#define EREVID (0x12|0x60)
#define ECOCON (0x15|0x60)
#define EFLOCON (0x17|0x60)
#define EPAUSL (0x18|0x60)
#define EPAUSH (0x19|0x60)
// PHY registers
#define PHCON1 0x00
#define PHSTAT1 0x01
#define PHHID1 0x02
#define PHHID2 0x03
#define PHCON2 0x10
#define PHSTAT2 0x11
#define PHIE 0x12
#define PHIR 0x13
#define PHLCON 0x14
// ENC28J60 ERXFCON Register Bit Definitions
#define ERXFCON_UCEN 0x80
#define ERXFCON_ANDOR 0x40
#define ERXFCON_CRCEN 0x20
#define ERXFCON_PMEN 0x10
#define ERXFCON_MPEN 0x08
#define ERXFCON_HTEN 0x04
#define ERXFCON_MCEN 0x02
#define ERXFCON_BCEN 0x01
// ENC28J60 EIE Register Bit Definitions
#define EIE_INTIE 0x80
#define EIE_PKTIE 0x40
#define EIE_DMAIE 0x20
#define EIE_LINKIE 0x10
#define EIE_TXIE 0x08
#define EIE_WOLIE 0x04
#define EIE_TXERIE 0x02
#define EIE_RXERIE 0x01
// ENC28J60 EIR Register Bit Definitions
#define EIR_PKTIF 0x40
#define EIR_DMAIF 0x20
#define EIR_LINKIF 0x10
#define EIR_TXIF 0x08
#define EIR_WOLIF 0x04
#define EIR_TXERIF 0x02
#define EIR_RXERIF 0x01
// ENC28J60 ESTAT Register Bit Definitions
#define ESTAT_INT 0x80
#define ESTAT_LATECOL 0x10
#define ESTAT_RXBUSY 0x04
#define ESTAT_TXABRT 0x02
#define ESTAT_CLKRDY 0x01
// ENC28J60 ECON2 Register Bit Definitions
#define ECON2_AUTOINC 0x80
#define ECON2_PKTDEC 0x40
#define ECON2_PWRSV 0x20
#define ECON2_VRPS 0x08
// ENC28J60 ECON1 Register Bit Definitions
#define ECON1_TXRST 0x80
#define ECON1_RXRST 0x40
#define ECON1_DMAST 0x20
#define ECON1_CSUMEN 0x10
#define ECON1_TXRTS 0x08
#define ECON1_RXEN 0x04
#define ECON1_BSEL1 0x02
#define ECON1_BSEL0 0x01
// ENC28J60 MACON1 Register Bit Definitions
#define MACON1_LOOPBK 0x10
#define MACON1_TXPAUS 0x08
#define MACON1_RXPAUS 0x04
#define MACON1_PASSALL 0x02
#define MACON1_MARXEN 0x01
// ENC28J60 MACON2 Register Bit Definitions
#define MACON2_MARST 0x80
#define MACON2_RNDRST 0x40
#define MACON2_MARXRST 0x08
#define MACON2_RFUNRST 0x04
#define MACON2_MATXRST 0x02
#define MACON2_TFUNRST 0x01
// ENC28J60 MACON3 Register Bit Definitions
#define MACON3_PADCFG2 0x80
#define MACON3_PADCFG1 0x40
#define MACON3_PADCFG0 0x20
#define MACON3_TXCRCEN 0x10
#define MACON3_PHDRLEN 0x08
#define MACON3_HFRMLEN 0x04
#define MACON3_FRMLNEN 0x02
#define MACON3_FULDPX 0x01
// ENC28J60 MACON4 Register Bit Definitions
#define MACON4_DEFER (1<<6)
#define MACON4_BPEN (1<<5)
#define MACON4_NOBKOFF (1<<4)
// ENC28J60 MICMD Register Bit Definitions
#define MICMD_MIISCAN 0x02
#define MICMD_MIIRD 0x01
// ENC28J60 MISTAT Register Bit Definitions
#define MISTAT_NVALID 0x04
#define MISTAT_SCAN 0x02
#define MISTAT_BUSY 0x01
// ENC28J60 PHY PHCON1 Register Bit Definitions
#define PHCON1_PRST 0x8000
#define PHCON1_PLOOPBK 0x4000
#define PHCON1_PPWRSV 0x0800
#define PHCON1_PDPXMD 0x0100
// ENC28J60 PHY PHSTAT1 Register Bit Definitions
#define PHSTAT1_PFDPX 0x1000
#define PHSTAT1_PHDPX 0x0800
#define PHSTAT1_LLSTAT 0x0004
#define PHSTAT1_JBSTAT 0x0002
// ENC28J60 PHY PHCON2 Register Bit Definitions
#define PHCON2_FRCLINK 0x4000
#define PHCON2_TXDIS 0x2000
#define PHCON2_JABBER 0x0400
#define PHCON2_HDLDIS 0x0100
// ENC28J60 Packet Control Byte Bit Definitions
#define PKTCTRL_PHUGEEN 0x08
#define PKTCTRL_PPADEN 0x04
#define PKTCTRL_PCRCEN 0x02
#define PKTCTRL_POVERRIDE 0x01
// SPI operation codes
#define ENC28J60_READ_CTRL_REG 0x00
#define ENC28J60_READ_BUF_MEM 0x3A
#define ENC28J60_WRITE_CTRL_REG 0x40
#define ENC28J60_WRITE_BUF_MEM 0x7A
#define ENC28J60_BIT_FIELD_SET 0x80
#define ENC28J60_BIT_FIELD_CLR 0xA0
#define ENC28J60_SOFT_RESET 0xFF
// The RXSTART_INIT should be zero. See Rev. B4 Silicon Errata
// buffer boundaries applied to internal 8K ram
// the entire available packet buffer space is allocated
//
#define MAX_TX_BUFFER 1500
#define MAX_RX_BUFFER 1500
// start with recbuf at 0/
#define RXSTART_INIT 0x0000
#define RXSTOP_INIT (8192-1500-1)
#define TXSTART_INIT (8192-1500)
#define TXSTOP_INIT 8192
//
// max frame length which the conroller will accept:
#define MAX_FRAMELEN (1500+sizeof(ETH_HEADER)+4) // maximum ethernet frame length
u8_t ENC28J60ReadOp (u8_t op, u8_t address);
void ENC28J60WriteOp (u8_t op, u8_t address,u8_t data);
void ENC28J60SetBank (u8_t address);
u8_t ENC28J60Read (u8_t address);
void ENC28J60Write (u8_t address, u8_t data);
u16_t ENC28J60ReadPhy (u8_t address);
void ENC28J60WritePhy (u8_t address, WORD_BYTES data);
void ENC28J60Init (void);
void ENC28J60ReadBuf (u8_t *buf,u16_t length);
void ENC28J60WriteBuf (u8_t *buf,u16_t length);
void ENC28J60PacketSend ( u8_t *buffer, u16_t length );
u16_t ENC28J60PacketReceive ( u8_t *buffer, u16_t max_length );
u16_t ENC28J60PacketLength ( u16_t max_length );
void _ENC28J60Init( void );
void ENC28J60SC(void);
u8_t IsTxReady(void);
void ENC28J60CheckRxPtr ( void );
#endif⌨️ 快捷键说明
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