rt-thread-official/bsp/ck802/libraries/common/eth/ethernet_enc28j60.h

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2018-06-05 14:36:29 +08:00
/****************************************************************************
* csky/hardware/bsp/common/ethernet_enc28j60/ethernet_enc28j60.h
*
* Copyright (C) 2016 The YunOS Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
****************************************************************************/
#ifndef _ETHERNET_ENC28J60_H__
#define _ETHERNET_ENC28J60_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/* ****** ETH ****** */
#define ETH_HEADER_LEN 14
/* values of certain bytes: */
#define ETHTYPE_ARP_H_V 0x08
#define ETHTYPE_ARP_L_V 0x06
#define ETHTYPE_IP_H_V 0x08
#define ETHTYPE_IP_L_V 0x00
/* byte positions in the ethernet frame:
Ethernet type field (2bytes): */
#define ETH_TYPE_H_P 12
#define ETH_TYPE_L_P 13
#define ETH_DST_MAC 0
#define ETH_SRC_MAC 6
/* ******* ARP ******* */
#define ETH_ARP_OPCODE_REPLY_H_V 0x0
#define ETH_ARP_OPCODE_REPLY_L_V 0x02
#define ETHTYPE_ARP_L_V 0x06
/* arp.dst.ip */
#define ETH_ARP_DST_IP_P 0x26
/* arp.opcode */
#define ETH_ARP_OPCODE_H_P 0x14
#define ETH_ARP_OPCODE_L_P 0x15
/* arp.src.mac */
#define ETH_ARP_SRC_MAC_P 0x16
#define ETH_ARP_SRC_IP_P 0x1c
#define ETH_ARP_DST_MAC_P 0x20
#define ETH_ARP_DST_IP_P 0x26
/* ******* IP ******* */
#define IP_HEADER_LEN 20
/* ip.src */
#define IP_SRC_P 0x1a
#define IP_DST_P 0x1e
#define IP_HEADER_LEN_VER_P 0xe
#define IP_CHECKSUM_P 0x18
#define IP_TTL_P 0x16
#define IP_FLAGS_P 0x14
#define IP_P 0xe
#define IP_TOTLEN_H_P 0x10
#define IP_TOTLEN_L_P 0x11
#define IP_PROTO_P 0x17
#define IP_PROTO_ICMP_V 1
#define IP_PROTO_TCP_V 6
/* 17=0x11 */
#define IP_PROTO_UDP_V 17
/* ******* ICMP ******* */
#define ICMP_TYPE_ECHOREPLY_V 0
#define ICMP_TYPE_ECHOREQUEST_V 8
#define ICMP_TYPE_P 0x22
#define ICMP_CHECKSUM_P 0x24
/* ******* UDP ******* */
#define UDP_HEADER_LEN 8
#define UDP_SRC_PORT_H_P 0x22
#define UDP_SRC_PORT_L_P 0x23
#define UDP_DST_PORT_H_P 0x24
#define UDP_DST_PORT_L_P 0x25
#define UDP_LEN_H_P 0x26
#define UDP_LEN_L_P 0x27
#define UDP_CHECKSUM_H_P 0x28
#define UDP_CHECKSUM_L_P 0x29
#define UDP_DATA_P 0x2a
/* ******* TCP ******* */
#define TCP_SRC_PORT_H_P 0x22
#define TCP_SRC_PORT_L_P 0x23
#define TCP_DST_PORT_H_P 0x24
#define TCP_DST_PORT_L_P 0x25
/* the tcp seq number is 4 bytes 0x26-0x29 */
#define TCP_SEQ_H_P 0x26
#define TCP_SEQACK_H_P 0x2a
/* flags: SYN=2 */
#define TCP_FLAGS_P 0x2f
#define TCP_FLAGS_SYN_V 2
#define TCP_FLAGS_FIN_V 1
#define TCP_FLAGS_PUSH_V 8
#define TCP_FLAGS_SYNACK_V 0x12
#define TCP_FLAGS_ACK_V 0x10
#define TCP_FLAGS_PSHACK_V 0x18
/* plain len without the options: */
#define TCP_HEADER_LEN_PLAIN 20
#define TCP_HEADER_LEN_P 0x2e
#define TCP_CHECKSUM_H_P 0x32
#define TCP_CHECKSUM_L_P 0x33
#define TCP_OPTIONS_P 0x36
/* ENC28J60 Control Registers
Control register definitions are a combination of address,
bank number, and Ethernet/MAC/PHY indicator bits.
- Register address (bits 0-4)
- Bank number (bits 5-6)
- MAC/PHY indicator (bit 7) */
#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
#define EIE_ALLCLOSE 0xff
/* 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
#define EIR_ALLINTS 0x7b /* All interrupts */
/* 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 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 PHY PHIE Register Bit Definitions */
#define PHIE_PLNKIE 0x0010
#define PHIE_PGEIE 0x0002
/* 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
start with recbuf at 0/ */
#define RXSTART_INIT 0x0
/* receive buffer end */
#define RXSTOP_INIT (0x1FFF-0x0600-1)
/* start TX buffer at 0x1FFF-0x0600, pace for one full ethernet frame (~1500 bytes) */
#define TXSTART_INIT (0x1FFF-0x0600)
/* stp TX buffer at end of mem */
#define TXSTOP_INIT 0x1FFF
/* max frame length which the conroller will accept: */
#define MAX_FRAMELEN 1518 /* (note: maximum ethernet frame length would be 1518) */
void enc28j60_spi_cs_status_change(int status);
#if 1//defined CONFIG_PHOBOS_GENERAL
#define PA5_A8 15
#define PA1 12
#define ENC28J60_CSL() enc28j60_spi_cs_status_change(0); //yunos_bsp_gpio_set_value(20, GPIO_VALUE_LOW); /* SPI_CS_LOW */
#define ENC28J60_CSH() enc28j60_spi_cs_status_change(1); //yunos_bsp_gpio_set_value(20, GPIO_VALUE_HIGH); /* SPI_CS_HIGH */
#else
#define PA5_A8 47
#define ENC28J60_CSL() enc28j60_spi_cs_status_change(0); //yunos_bsp_gpio_set_value(44, GPIO_VALUE_LOW); /* SPI_CS_LOW */
#define ENC28J60_CSH() enc28j60_spi_cs_status_change(1); //yunos_bsp_gpio_set_value(44, GPIO_VALUE_HIGH); /* SPI_CS_HIGH */
#endif
typedef struct _spi_net_ops_t {
int (*init)(const uint8_t *macaddr);
int (*recv)(uint8_t *, uint16_t);
int (*send)(uint8_t *, uint16_t);
int (*reset)(void);
int (*irq_enable)(int);
int (*set_macaddr)(const uint8_t *macaddr);
int (*get_link_status)(void);
} net_ops_t;
enum enc28j60_reset {
RST_ENC28J60_ALL,
RST_ENC28J60_TX,
RST_ENC28J60_RX
};
int yunos_bsp_enc28j60_init(const uint8_t *macaddr);
int yunos_bsp_enc28j60_reset(void);
int yunos_bsp_enc28j60_get_link_status(void);
int yunos_bsp_enc28j60_set_irq_enable(int enable);
int yunos_bsp_enc28j60_get_interrupt_status(void);
int yunos_bsp_enc28j60_set_interrupt_status(int status);
//int yunos_bsp_enc28j60_set_interrupt(gpio_interrupt_t interrupt_cb);
int yunos_bsp_enc28j60_get_pkt_cnt(void);
int yunos_bsp_enc28j60_net_init(void);
int yunos_bsp_enc28j60_set_macaddr(const uint8_t *macaddr);
net_ops_t *yunos_bsp_spi_net_get_ctrl_ops(void);
int yunos_bsp_enc28j60_handle_int_error(int status);
int yunos_bsp_enc28j60_send_start(uint16_t len);
void yunos_bsp_enc28j60_send_data(uint8_t *packet, uint16_t len);
void yunos_bsp_enc28j60_send_end(void);
int yunos_bsp_enc28j60_recv_start(uint16_t maxlen);
int yunos_bsp_enc28j60_recv_data(uint8_t *packet, uint16_t len);
void yunos_bsp_enc28j60_recv_end(void);
void yunos_bsp_enc28j60_hard_reset(void);
#ifdef __cplusplus
}
#endif
#endif /* _ETHERNET_ENC28J60_H__ */