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ef6bbc34fa
1. Add ENC28J60 Ethernet controller driver 2. Add lwIP support (Please read "Readme.txt") 3. Add simple Http server demo application 4. Modify USART device write function to avoid sleep in ISR 5. Fix a bug in USART driver when using compiler optimization 6. Modify to make use the start-up code in libraries 7. Change the default build option for squeezing the executable file size 8. Modify source code alignment git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1622 bbd45198-f89e-11dd-88c7-29a3b14d5316
314 lines
10 KiB
C
314 lines
10 KiB
C
/*
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* File : enc28j60.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-01-05 Bernard the first version
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*/
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#ifndef __ENC28J60_H__
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#define __ENC28J60_H__
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#include <rtthread.h>
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// ENC28J60 Control Registers
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// Control register definitions are a combination of address,
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// bank number, and Ethernet/MAC/PHY indicator bits.
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// - Register address (bits 0-4)
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// - Bank number (bits 5-6)
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// - MAC/PHY indicator (bit 7)
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#define ADDR_MASK 0x1F
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#define BANK_MASK 0x60
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#define SPRD_MASK 0x80
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#define ADDR_SHIFT (0)
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#define BANK_SHIFT (5)
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#define SPRD_SHIFT (7)
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// All-bank registers
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#define EIE 0x1B
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#define EIR 0x1C
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#define ESTAT 0x1D
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#define ECON2 0x1E
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#define ECON1 0x1F
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// Bank 0 registers
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#define ERDPTL (0x00|0x00)
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#define ERDPTH (0x01|0x00)
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#define EWRPTL (0x02|0x00)
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#define EWRPTH (0x03|0x00)
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#define ETXSTL (0x04|0x00)
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#define ETXSTH (0x05|0x00)
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#define ETXNDL (0x06|0x00)
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#define ETXNDH (0x07|0x00)
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#define ERXSTL (0x08|0x00)
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#define ERXSTH (0x09|0x00)
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#define ERXNDL (0x0A|0x00)
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#define ERXNDH (0x0B|0x00)
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#define ERXRDPTL (0x0C|0x00)
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#define ERXRDPTH (0x0D|0x00)
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#define ERXWRPTL (0x0E|0x00)
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#define ERXWRPTH (0x0F|0x00)
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#define EDMASTL (0x10|0x00)
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#define EDMASTH (0x11|0x00)
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#define EDMANDL (0x12|0x00)
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#define EDMANDH (0x13|0x00)
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#define EDMADSTL (0x14|0x00)
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#define EDMADSTH (0x15|0x00)
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#define EDMACSL (0x16|0x00)
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#define EDMACSH (0x17|0x00)
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// Bank 1 registers
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#define EHT0 (0x00|0x20)
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#define EHT1 (0x01|0x20)
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#define EHT2 (0x02|0x20)
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#define EHT3 (0x03|0x20)
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#define EHT4 (0x04|0x20)
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#define EHT5 (0x05|0x20)
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#define EHT6 (0x06|0x20)
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#define EHT7 (0x07|0x20)
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#define EPMM0 (0x08|0x20)
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#define EPMM1 (0x09|0x20)
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#define EPMM2 (0x0A|0x20)
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#define EPMM3 (0x0B|0x20)
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#define EPMM4 (0x0C|0x20)
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#define EPMM5 (0x0D|0x20)
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#define EPMM6 (0x0E|0x20)
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#define EPMM7 (0x0F|0x20)
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#define EPMCSL (0x10|0x20)
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#define EPMCSH (0x11|0x20)
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#define EPMOL (0x14|0x20)
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#define EPMOH (0x15|0x20)
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#define ERXFCON (0x18|0x20)
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#define EPKTCNT (0x19|0x20)
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// Bank 2 registers
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#define MACON1 (0x00|0x40|0x80)
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#define MACON3 (0x02|0x40|0x80)
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#define MACON4 (0x03|0x40|0x80)
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#define MABBIPG (0x04|0x40|0x80)
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#define MAIPGL (0x06|0x40|0x80)
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#define MAIPGH (0x07|0x40|0x80)
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#define MACLCON1 (0x08|0x40|0x80)
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#define MACLCON2 (0x09|0x40|0x80)
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#define MAMXFLL (0x0A|0x40|0x80)
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#define MAMXFLH (0x0B|0x40|0x80)
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#define MICMD (0x12|0x40|0x80)
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#define MIREGADR (0x14|0x40|0x80)
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#define MIWRL (0x16|0x40|0x80)
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#define MIWRH (0x17|0x40|0x80)
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#define MIRDL (0x18|0x40|0x80)
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#define MIRDH (0x19|0x40|0x80)
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// Bank 3 registers
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#define MAADR5 (0x00|0x60|0x80)
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#define MAADR6 (0x01|0x60|0x80)
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#define MAADR3 (0x02|0x60|0x80)
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#define MAADR4 (0x03|0x60|0x80)
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#define MAADR1 (0x04|0x60|0x80)
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#define MAADR2 (0x05|0x60|0x80)
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#define EBSTSD (0x06|0x60)
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#define EBSTCON (0x07|0x60)
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#define EBSTCSL (0x08|0x60)
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#define EBSTCSH (0x09|0x60)
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#define MISTAT (0x0A|0x60|0x80)
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#define EREVID (0x12|0x60)
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#define ECOCON (0x15|0x60)
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#define EFLOCON (0x17|0x60)
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#define EPAUSL (0x18|0x60)
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#define EPAUSH (0x19|0x60)
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// PHY registers
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#define PHCON1 0x00
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#define PHSTAT1 0x01
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#define PHHID1 0x02
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#define PHHID2 0x03
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#define PHCON2 0x10
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#define PHSTAT2 0x11
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#define PHIE 0x12
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#define PHIR 0x13
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#define PHLCON 0x14
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// ENC28J60 ERXFCON Register Bit Definitions
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#define ERXFCON_UCEN 0x80
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#define ERXFCON_ANDOR 0x40
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#define ERXFCON_CRCEN 0x20
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#define ERXFCON_PMEN 0x10
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#define ERXFCON_MPEN 0x08
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#define ERXFCON_HTEN 0x04
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#define ERXFCON_MCEN 0x02
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#define ERXFCON_BCEN 0x01
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// ENC28J60 EIE Register Bit Definitions
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#define EIE_INTIE 0x80
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#define EIE_PKTIE 0x40
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#define EIE_DMAIE 0x20
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#define EIE_LINKIE 0x10
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#define EIE_TXIE 0x08
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#define EIE_WOLIE 0x04
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#define EIE_TXERIE 0x02
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#define EIE_RXERIE 0x01
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// ENC28J60 EIR Register Bit Definitions
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#define EIR_PKTIF 0x40
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#define EIR_DMAIF 0x20
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#define EIR_LINKIF 0x10
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#define EIR_TXIF 0x08
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#define EIR_WOLIF 0x04
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#define EIR_TXERIF 0x02
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#define EIR_RXERIF 0x01
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// ENC28J60 ESTAT Register Bit Definitions
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#define ESTAT_INT 0x80
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#define ESTAT_LATECOL 0x10
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#define ESTAT_RXBUSY 0x04
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#define ESTAT_TXABRT 0x02
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#define ESTAT_CLKRDY 0x01
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// ENC28J60 ECON2 Register Bit Definitions
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#define ECON2_AUTOINC 0x80
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#define ECON2_PKTDEC 0x40
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#define ECON2_PWRSV 0x20
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#define ECON2_VRPS 0x08
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// ENC28J60 ECON1 Register Bit Definitions
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#define ECON1_TXRST 0x80
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#define ECON1_RXRST 0x40
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#define ECON1_DMAST 0x20
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#define ECON1_CSUMEN 0x10
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#define ECON1_TXRTS 0x08
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#define ECON1_RXEN 0x04
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#define ECON1_BSEL1 0x02
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#define ECON1_BSEL0 0x01
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// ENC28J60 MACON1 Register Bit Definitions
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#define MACON1_LOOPBK 0x10
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#define MACON1_TXPAUS 0x08
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#define MACON1_RXPAUS 0x04
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#define MACON1_PASSALL 0x02
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#define MACON1_MARXEN 0x01
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// ENC28J60 MACON2 Register Bit Definitions
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#define MACON2_MARST 0x80
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#define MACON2_RNDRST 0x40
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#define MACON2_MARXRST 0x08
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#define MACON2_RFUNRST 0x04
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#define MACON2_MATXRST 0x02
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#define MACON2_TFUNRST 0x01
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// ENC28J60 MACON3 Register Bit Definitions
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#define MACON3_PADCFG2 0x80
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#define MACON3_PADCFG1 0x40
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#define MACON3_PADCFG0 0x20
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#define MACON3_TXCRCEN 0x10
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#define MACON3_PHDRLEN 0x08
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#define MACON3_HFRMLEN 0x04
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#define MACON3_FRMLNEN 0x02
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#define MACON3_FULDPX 0x01
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// ENC28J60 MACON4 Register Bit Definitions
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#define MACON4_DEFER (1<<6)
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#define MACON4_BPEN (1<<5)
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#define MACON4_NOBKOFF (1<<4)
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// ENC28J60 MICMD Register Bit Definitions
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#define MICMD_MIISCAN 0x02
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#define MICMD_MIIRD 0x01
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// ENC28J60 MISTAT Register Bit Definitions
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#define MISTAT_NVALID 0x04
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#define MISTAT_SCAN 0x02
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#define MISTAT_BUSY 0x01
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// ENC28J60 PHY PHCON1 Register Bit Definitions
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#define PHCON1_PRST 0x8000
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#define PHCON1_PLOOPBK 0x4000
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#define PHCON1_PPWRSV 0x0800
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#define PHCON1_PDPXMD 0x0100
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// ENC28J60 PHY PHSTAT1 Register Bit Definitions
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#define PHSTAT1_PFDPX 0x1000
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#define PHSTAT1_PHDPX 0x0800
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#define PHSTAT1_LLSTAT 0x0004
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#define PHSTAT1_JBSTAT 0x0002
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/* ENC28J60 PHY PHSTAT2 Register Bit Definitions */
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#define PHSTAT2_TXSTAT (1 << 13)
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#define PHSTAT2_RXSTAT (1 << 12)
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#define PHSTAT2_COLSTAT (1 << 11)
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#define PHSTAT2_LSTAT (1 << 10)
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#define PHSTAT2_DPXSTAT (1 << 9)
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#define PHSTAT2_PLRITY (1 << 5)
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// ENC28J60 PHY PHCON2 Register Bit Definitions
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#define PHCON2_FRCLINK 0x4000
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#define PHCON2_TXDIS 0x2000
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#define PHCON2_JABBER 0x0400
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#define PHCON2_HDLDIS 0x0100
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// ENC28J60 Packet Control Byte Bit Definitions
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#define PKTCTRL_PHUGEEN 0x08
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#define PKTCTRL_PPADEN 0x04
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#define PKTCTRL_PCRCEN 0x02
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#define PKTCTRL_POVERRIDE 0x01
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/* ENC28J60 Transmit Status Vector */
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#define TSV_TXBYTECNT 0
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#define TSV_TXCOLLISIONCNT 16
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#define TSV_TXCRCERROR 20
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#define TSV_TXLENCHKERROR 21
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#define TSV_TXLENOUTOFRANGE 22
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#define TSV_TXDONE 23
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#define TSV_TXMULTICAST 24
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#define TSV_TXBROADCAST 25
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#define TSV_TXPACKETDEFER 26
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#define TSV_TXEXDEFER 27
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#define TSV_TXEXCOLLISION 28
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#define TSV_TXLATECOLLISION 29
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#define TSV_TXGIANT 30
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#define TSV_TXUNDERRUN 31
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#define TSV_TOTBYTETXONWIRE 32
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#define TSV_TXCONTROLFRAME 48
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#define TSV_TXPAUSEFRAME 49
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#define TSV_BACKPRESSUREAPP 50
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#define TSV_TXVLANTAGFRAME 51
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#define TSV_SIZE 7
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#define TSV_BYTEOF(x) ((x) / 8)
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#define TSV_BITMASK(x) (1 << ((x) % 8))
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#define TSV_GETBIT(x, y) (((x)[TSV_BYTEOF(y)] & TSV_BITMASK(y)) ? 1 : 0)
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/* ENC28J60 Receive Status Vector */
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#define RSV_RXLONGEVDROPEV 16
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#define RSV_CARRIEREV 18
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#define RSV_CRCERROR 20
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#define RSV_LENCHECKERR 21
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#define RSV_LENOUTOFRANGE 22
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#define RSV_RXOK 23
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#define RSV_RXMULTICAST 24
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#define RSV_RXBROADCAST 25
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#define RSV_DRIBBLENIBBLE 26
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#define RSV_RXCONTROLFRAME 27
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#define RSV_RXPAUSEFRAME 28
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#define RSV_RXUNKNOWNOPCODE 29
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#define RSV_RXTYPEVLAN 30
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#define RSV_SIZE 6
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#define RSV_BITMASK(x) (1 << ((x) - 16))
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#define RSV_GETBIT(x, y) (((x) & RSV_BITMASK(y)) ? 1 : 0)
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// SPI operation codes
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#define ENC28J60_READ_CTRL_REG (0x00)
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#define ENC28J60_READ_BUF_MEM (0x20 | 0x1A)
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#define ENC28J60_WRITE_CTRL_REG (0x40)
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#define ENC28J60_WRITE_BUF_MEM (0x60 | 0x1A)
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#define ENC28J60_BIT_FIELD_SET (0x80)
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#define ENC28J60_BIT_FIELD_CLR (0xA0)
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#define ENC28J60_SOFT_RESET (0xE0 | 0x1F)
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// The RXSTART_INIT should be zero. See Rev. B4 Silicon Errata
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// buffer boundaries applied to internal 8K ram
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// the entire available packet buffer space is allocated
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//
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// start with recbuf at 0/
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#define RXSTART_INIT 0x0
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// receive buffer end
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#define RXSTOP_INIT (0x1FFF - 0x0600 - 1)
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// start TX buffer at 0x1FFF-0x0600, pace for one full ethernet frame (~1500 bytes)
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#define TXSTART_INIT (0x1FFF - 0x0600)
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// stp TX buffer at end of mem
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#define TXSTOP_INIT 0x1FFF
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// max frame length which the conroller will accept:
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#define MAX_FRAMELEN 1518
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void rt_hw_enc28j60_init(void);
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#endif
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