#ifndef _ENC28J60_H_#define _ENC28J60_H_#include "config.h"#include "io/clock.h"#include "io/led.h"#include <avr/delay.h>#include <avr/pgmspace.h>#define ENC28J60_CS_LO()    ENC28J60_PORT &= ~(1<<ENC28J60_PIN_CS);#define ENC28J60_CS_HI()    ENC28J60_PORT |= (1<<ENC28J60_PIN_CS);#define ENC28J60_RESET_LO()    ENC28J60_PORT &= ~(1<<ENC28J60_PIN_RESET);#define ENC28J60_RESET_HI()    ENC28J60_PORT |= (1<<ENC28J60_PIN_RESET);#define ENC28J60_OP_BFC    0xA0#define ENC28J60_OP_BFS    0x80#define ENC28J60_OP_READ_CTRL_REG  0x00#define ENC28J60_OP_WRITE_CTRL_REG 0x40#define ENC28J60_OP_READ_BUF_MEM   0x3A#define ENC28J60_OP_WRITE_BUF_MEM  0x7A//bank0#define ENC28J60_REG_ERDPTL   0x00#define ENC28J60_REG_ERDPTH   0x01#define ENC28J60_REG_EWRPTL   0x02#define ENC28J60_REG_EWRPTH   0x03#define ENC28J60_REG_ETXSTL   0x04#define ENC28J60_REG_ETXSTH   0x05#define ENC28J60_REG_ETXNDL   0x06#define ENC28J60_REG_ETXNDH   0x07#define ENC28J60_REG_ERXSTL   0x08#define ENC28J60_REG_ERXSTH   0x09#define ENC28J60_REG_ERXNDL   0x0A#define ENC28J60_REG_ERXNDH   0x0B#define ENC28J60_REG_ERXRDPTL 0x0C#define ENC28J60_REG_ERXRDPTH 0x0D#define ENC28J60_REG_ERXWRPTL 0x0E#define ENC28J60_REG_ERXWRPTH 0x0F#define ENC28J60_REG_EREVID   (0x12|0x60)#define ENC28J60_REG_ECON1    0x1F#define ENC28J60_REG_ECON2    0x1E#define ENC28J60_REG_EIE      0x1B#define ENC28J60_REG_EIR      0x1C#define ENC28J60_REG_ESTAT    0x1D//bank1#define ENC28J60_REG_EPKTCNT   0x39//bank2#define ENC28J60_REG_MACON1   (0x40 | 0x80)#define ENC28J60_REG_MACON2   (0x41 | 0x80)#define ENC28J60_REG_MACON3   (0x42 | 0x80)#define ENC28J60_REG_MACON4   (0x43 | 0x80)#define ENC28J60_REG_MABBIPG  (0x44 | 0x80)#define ENC28J60_REG_MAIPGL   (0x46 | 0x80)#define ENC28J60_REG_MAIPGH   (0x47 | 0x80)#define ENC28J60_REG_MAMXFLL  (0x4A | 0x80)#define ENC28J60_REG_MAMXFLH  (0x4B | 0x80)#define ENC28J60_REG_MICMD    (0x52 | 0x80)#define ENC28J60_REG_MIREGADR (0x54 | 0x80)#define ENC28J60_REG_MIWRL    (0x56 | 0x80)#define ENC28J60_REG_MIWRH    (0x57 | 0x80)#define ENC28J60_REG_MIRDL    (0x58 | 0x80)#define ENC28J60_REG_MIRDH    (0x59 | 0x80)//bank3#define ENC28J60_REG_MAADR1   (0x60 | 0x80)#define ENC28J60_REG_MAADR0   (0x61 | 0x80)#define ENC28J60_REG_MAADR3   (0x62 | 0x80)#define ENC28J60_REG_MAADR2   (0x63 | 0x80)#define ENC28J60_REG_MAADR5   (0x64 | 0x80)#define ENC28J60_REG_MAADR4   (0x65 | 0x80)#define ENC28J60_REG_MISTAT   (0x6A | 0x80)#define ENC28J60_BIT_ECON1_BSEL0 0#define ENC28J60_BIT_ECON1_BSEL1 1#define ENC28J60_BIT_MIIRD       0#define ENC28J60_BIT_MISTAT_BUSY 0#define ENC28J60_BIT_MARXEN   0#define ENC28J60_BIT_PASSALL  1#define ENC28J60_BIT_TXPAUS   3#define ENC28J60_BIT_RXPAUS   2#define ENC28J60_BIT_LOOPBACK 4#define ENC28J60_BIT_PADCFG2  7#define ENC28J60_BIT_PADCFG1  6#define ENC28J60_BIT_PADCFG0  5#define ENC28J60_BIT_TXCRCEN  4#define ENC28J60_BIT_PHDRLEN  3#define ENC28J60_BIT_HFRMEN   2#define ENC28J60_BIT_FRMLNEN  1#define ENC28J60_BIT_FULDPX   0	#define ENC28J60_BIT_HDLDIS   8#define ENC28J60_BIT_RXEN     2#define ENC28J60_BIT_TXRTS    3#define ENC28J60_BIT_PKTIF    6#define ENC28J60_BIT_TXRST    7#define ENC28J60_PHY_PHCON1   0x00#define ENC28J60_PHY_PHCON2   0x10#define ENC28J60_PHY_PHLCON   0x14#define ENC28J60_BIT_PKTDEC 6//use 0x0000-0x0600 (=1 ethernetframe) as tx buffer //(we can only send one packet at one time)//#define ENC28J60_TX_BUFFER_START ((unsigned int)0x0000)//#define ENC28J60_TX_BUFFER_LEN   ((unsigned int)0x0600)//#define ENC28J60_TX_BUFFER_END   ((unsigned int)(ENC28J60_TX_BUFFER_START+ENC28J60_TX_BUFFER_LEN))//rx buffer gets the rest://#define ENC28J60_RX_BUFFER_START ((unsigned int)(ENC28J60_TX_BUFFER_END+2))//#define ENC28J60_RX_BUFFER_END   ((unsigned int)0x1FFF)//rx buffer gets the rest:#define ENC28J60_RX_BUFFER_START ((unsigned int)0x0000)#define ENC28J60_RX_BUFFER_END   ((unsigned int)0x19FF)#define ENC28J60_TX_BUFFER_START ((unsigned int)0x1A00)#define ENC28J60_TX_BUFFER_LEN   ((unsigned int)0x0600)#define ENC28J60_TX_BUFFER_END   ((unsigned int)0x1FFF)//store config bank0 reg0x00-reg0x0F in progmemextern unsigned char enc28j60_config[] PROGMEM;extern unsigned char enc28j60_revision;//initialise spi & enc28j60void enc28j60_init(void);unsigned int enc28j60_receive_packet(unsigned char *buffer, unsigned int maxlen);void enc28j60_send_packet(unsigned char *buffer, unsigned int len);unsigned int enc28j60_read_phy(unsigned char addr);void enc28j60_write_phy(unsigned char address, unsigned int data);void enc28j60_read_buffer(unsigned char *buffer, unsigned int len);void enc28j60_write_buffer(unsigned char *buffer, unsigned int len);unsigned char enc28j60_read_address(unsigned char address);void enc28j60_write_address(unsigned char address, unsigned char data);void enc28j60_select_bank(unsigned char bank);unsigned char enc28j60_spi_read_byte(unsigned char op, unsigned char addr);void enc28j60_spi_write_word(unsigned char hi, unsigned char lo);#endif