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chenxin
2026-04-23 10:50:18 +08:00
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IAPV1.1/Driver/ENC28J602/enc28j60.c Normal file
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#include "spi.h"
//#include "delay.h"
//#include "timerx.h"
#include <stdio.h>
#include "enc28j60.h"
//////////////////////////////////////////////////////////////////////////////////
//ALIENTEKս<4B><D5BD>STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ENC28J60<36><30><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F>޸<EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>:2012/9/28
//<2F>汾<EFBFBD><E6B1BE>V1.0
//////////////////////////////////////////////////////////////////////////////////
static u8 ENC28J60BANK;
static u32 NextPacketPtr;
//<2F><>λENC28J60
//<2F><><EFBFBD><EFBFBD>SPI<50><49>ʼ<EFBFBD><CABC>/IO<49><4F>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
static void ENC28J60_SPI2_Init(void)
{
// SPI_InitTypeDef SPI_InitStructure;
// GPIO_InitTypeDef GPIO_InitStructure;
// RCC_APB1PeriphClockCmd( RCC_APB1Periph_SPI2, ENABLE );//SPI2ʱ<32><CAB1>ʹ<EFBFBD><CAB9>
// RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE );//PORTB,D,Gʱ<47><CAB1>ʹ<EFBFBD><CAB9>
//
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // <20>˿<EFBFBD><CBBF><EFBFBD><EFBFBD><EFBFBD>
// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO<49><4F><EFBFBD>ٶ<EFBFBD>Ϊ50MHz
// GPIO_Init(GPIOD, &GPIO_InitStructure); //<2F><><EFBFBD><EFBFBD><EFBFBD>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>GPIOD.2
// GPIO_SetBits(GPIOD,GPIO_Pin_2); //PD.2<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//
// //<2F><><EFBFBD><EFBFBD>PG7<47><37>PB12<31><32><EFBFBD><EFBFBD>,<2C><>Ϊ<EFBFBD>˷<EFBFBD>ֹNRF24L01<30><31>SPI FLASHӰ<48><D3B0>.
// //<2F><>Ϊ<EFBFBD><CEAA><EFBFBD>ǹ<EFBFBD><C7B9><EFBFBD>һ<EFBFBD><D2BB>SPI<50><49>.
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; // PB12 <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
// GPIO_Init(GPIOB, &GPIO_InitStructure); //<2F><><EFBFBD><EFBFBD><EFBFBD>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>GPIOB.12
// GPIO_SetBits(GPIOB,GPIO_Pin_12); //PB.12<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8;//PG6/7/8 <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
// GPIO_Init(GPIOG, &GPIO_InitStructure); //<2F><><EFBFBD><EFBFBD><EFBFBD>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>//PG6/7/8
// GPIO_SetBits(GPIOG,GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8);//PG6/7/8<><38><EFBFBD><EFBFBD>
//
// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //PB13/14/15<31><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
// GPIO_Init(GPIOB, &GPIO_InitStructure);//<2F><>ʼ<EFBFBD><CABC>GPIOB
// GPIO_SetBits(GPIOB,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PB13/14/15<31><35><EFBFBD><EFBFBD>
// SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //<2F><><EFBFBD><EFBFBD>SPI<50><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˫<EFBFBD><CBAB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ:SPI<50><49><EFBFBD><EFBFBD>Ϊ˫<CEAA><CBAB>˫<EFBFBD><CBAB>ȫ˫<C8AB><CBAB>
// SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //<2F><><EFBFBD><EFBFBD>SPI<50><49><EFBFBD><EFBFBD>ģʽ:<3A><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>SPI
// SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //<2F><><EFBFBD><EFBFBD>SPI<50><49><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С:SPI<50><49><EFBFBD>ͽ<EFBFBD><CDBD><EFBFBD>8λ֡<CEBB>ṹ
// SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //<2F><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>ʱ<EFBFBD>ӵĿ<D3B5><C4BF><EFBFBD>״̬Ϊ<CCAC>͵<EFBFBD>ƽ
// SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; //<2F><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>ʱ<EFBFBD>ӵĵ<D3B5>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><DDB1><EFBFBD><EFBFBD><EFBFBD>
// SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //NSS<53>ź<EFBFBD><C5BA><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD>NSS<53>ܽţ<DCBD><C5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>SSIλ<49><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:<3A>ڲ<EFBFBD>NSS<53>ź<EFBFBD><C5BA><EFBFBD>SSIλ<49><CEBB><EFBFBD><EFBFBD>
// SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256; //<2F><><EFBFBD>岨<EFBFBD><E5B2A8><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>Ƶ<EFBFBD><C6B5>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>ƵֵΪ256
// SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD>MSBλ<42><CEBB><EFBFBD><EFBFBD>LSBλ<42><CEBB>ʼ:<3A><><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD>MSBλ<42><CEBB>ʼ
// SPI_InitStructure.SPI_CRCPolynomial = 7; //CRCֵ<43><D6B5><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><C4B6><EFBFBD>ʽ
// SPI_Init(SPI2, &SPI_InitStructure); //<2F><><EFBFBD><EFBFBD>SPI_InitStruct<63><74>ָ<EFBFBD><D6B8><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SPIx<49>Ĵ<EFBFBD><C4B4><EFBFBD>
//
// SPI_Cmd(SPI2, ENABLE); //ʹ<><CAB9>SPI<50><49><EFBFBD><EFBFBD>
//
// SPI2_ReadWriteByte(0xff);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
void ENC28J60_Reset(void)
{
// ENC28J60_SPI2_Init();//SPI2<49><32>ʼ<EFBFBD><CABC>
// SPI2_SetSpeed(SPI_BaudRatePrescaler_4); //SPI2 SCKƵ<4B><C6B5>Ϊ36M/4=9Mhz
// TIM6_Int_Init(1000,719);//100Khz<68><7A><EFBFBD><EFBFBD>Ƶ<EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1000Ϊ10ms
// ENC28J60_RST=0; //<2F><>λENC28J60
// delay_ms(10);
// ENC28J60_RST=1; //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>
// delay_ms(10);
}
//<2F><>ȡENC28J60<36>Ĵ<EFBFBD><C4B4><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
//op<6F><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//addr:<3A>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ/<2F><><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 ENC28J60_Read_Op(u8 op,u8 addr)
{
u8 dat=0;
ENC28J60_CSL ;
dat=op|(addr&ADDR_MASK);
SPI1_ReadWrite(dat);
dat=SPI1_ReadWrite(0xFF);
//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD>ȡMAC/MII<49>Ĵ<EFBFBD><C4B4><EFBFBD>,<2C><><EFBFBD>ڶ<EFBFBD><DAB6>ζ<EFBFBD><CEB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7>,<2C><><EFBFBD>ֲ<EFBFBD>29ҳ
if(addr&0x80)dat=SPI1_ReadWrite(0xFF);
ENC28J60_CSH;
return dat;
}
//<2F><>ȡENC28J60<36>Ĵ<EFBFBD><C4B4><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
//op<6F><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//addr:<3A>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ
//data:<3A><><EFBFBD><EFBFBD>
void ENC28J60_Write_Op(u8 op,u8 addr,u8 data)
{
u8 dat = 0;
ENC28J60_CSL;
dat=op|(addr&ADDR_MASK);
SPI1_ReadWrite(dat);
SPI1_ReadWrite(data);
ENC28J60_CSH;
}
//<2F><>ȡENC28J60<36><30><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//len:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
//data:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>(ĩβ<C4A9>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD><EFBFBD>)
void ENC28J60_Read_Buf(u32 len,u8* data)
{
ENC28J60_CSL;
SPI1_ReadWrite(ENC28J60_READ_BUF_MEM);
while(len)
{
len--;
*data=(u8)SPI1_ReadWrite(0);
data++;
}
*data='\0';
ENC28J60_CSL;
}
//<2F><>ENC28J60д<30><D0B4><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//len:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
//data:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
void ENC28J60_Write_Buf(u32 len,u8* data)
{
ENC28J60_CSL;
SPI1_ReadWrite(ENC28J60_WRITE_BUF_MEM);
while(len)
{
len--;
SPI1_ReadWrite(*data);
data++;
}
ENC28J60_CSH;
}
//<2F><><EFBFBD><EFBFBD>ENC28J60<36>Ĵ<EFBFBD><C4B4><EFBFBD>Bank
//ban:Ҫ<><D2AA><EFBFBD>õ<EFBFBD>bank
void ENC28J60_Set_Bank(u8 bank)
{
if((bank&BANK_MASK)!=ENC28J60BANK)//<2F>͵<EFBFBD>ǰbank<6E><6B>һ<EFBFBD>µ<EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_CLR,ECON1,(ECON1_BSEL1|ECON1_BSEL0));
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,ECON1,(bank&BANK_MASK)>>5);
ENC28J60BANK=(bank&BANK_MASK);
}
}
//<2F><>ȡENC28J60ָ<30><D6B8><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>
//addr:<3A>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 ENC28J60_Read(u8 addr)
{
ENC28J60_Set_Bank(addr);//<2F><><EFBFBD><EFBFBD>BANK
return ENC28J60_Read_Op(ENC28J60_READ_CTRL_REG,addr);
}
//<2F><>ENC28J60ָ<30><D6B8><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
//addr:<3A>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ
//data:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void ENC28J60_Write(u8 addr,u8 data)
{
ENC28J60_Set_Bank(addr);
ENC28J60_Write_Op(ENC28J60_WRITE_CTRL_REG,addr,data);
}
//<2F><>ENC28J60<36><30>PHY<48>Ĵ<EFBFBD><C4B4><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//addr:<3A>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ
//data:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void ENC28J60_PHY_Write(u8 addr,u32 data)
{
u16 retry=0;
ENC28J60_Write(MIREGADR,addr); //<2F><><EFBFBD><EFBFBD>PHY<48>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ
ENC28J60_Write(MIWRL,data); //д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write(MIWRH,data>>8);
while((ENC28J60_Read(MISTAT)&MISTAT_BUSY)&&retry<0XFFF)retry++;//<2F>ȴ<EFBFBD>д<EFBFBD><D0B4>PHY<48><59><EFBFBD><EFBFBD>
}
//<2F><>ʼ<EFBFBD><CABC>ENC28J60
//macaddr:MAC<41><43>ַ
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>;
// 1,<2C><>ʼ<EFBFBD><CABC>ʧ<EFBFBD><CAA7>;
u8 ENC28J60_Init(u8* macaddr)
{
u16 retry=0;
ENC28J60_Reset();
ENC28J60_Write_Op(ENC28J60_SOFT_RESET,0,ENC28J60_SOFT_RESET);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
while(!(ENC28J60_Read(ESTAT)&ESTAT_CLKRDY)&&retry<500)//<2F>ȴ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ȶ<EFBFBD>
{
retry++;
// delay_ms(1);
};
if(retry>=500)return 1;//ENC28J60<36><30>ʼ<EFBFBD><CABC>ʧ<EFBFBD><CAA7>
// do bank 0 stuff
// initialize receive buffer
// 16-bit transfers,must write low byte first
// set receive buffer start address <20><><EFBFBD>ý<EFBFBD><C3BD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ 8K<38>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>
NextPacketPtr=RXSTART_INIT;
// Rx start
//<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD>FIFO <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
//<2F>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ERXSTH:ERXSTL <20><>ERXNDH:ERXNDL <20><>
//Ϊָ<CEAA>룬<EFBFBD><EBA3AC><EFBFBD>建<EFBFBD><E5BBBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ洢<DAB4><E6B4A2><EFBFBD>е<EFBFBD>λ<EFBFBD>á<EFBFBD>
//ERXST<53><54>ERXNDָ<44><D6B8><EFBFBD><EFBFBD><EFBFBD>ֽھ<D6BD><DABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FIFO<46><4F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڡ<EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̫<EFBFBD><CCAB><EFBFBD>ӿڽ<D3BF><DABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Щ<EFBFBD>ֽڱ<D6BD>˳<EFBFBD><CBB3>д<EFBFBD><D0B4>
//<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ǵ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ERXND ָ<><D6B8><EFBFBD>Ĵ洢<C4B4><E6B4A2>Ԫ
//<2F><><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD>һ<EFBFBD>ֽ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ERXST ָ<><D6B8>
//<2F>Ĵ洢<C4B4><E6B4A2>Ԫ<EFBFBD><D4AA> <20><><EFBFBD>˽<EFBFBD><CBBD><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>FIFO <20><><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>
//Ԫ<><D4AA>
//<2F><><EFBFBD>ý<EFBFBD><C3BD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ֽ<EFBFBD>
ENC28J60_Write(ERXSTL,RXSTART_INIT&0xFF);
ENC28J60_Write(ERXSTH,RXSTART_INIT>>8);
//ERXWRPTH:ERXWRPTL <20>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD>FIFO <20><>
//<2F><><EFBFBD>ĸ<EFBFBD>λ<EFBFBD><CEBB>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD>ֽڡ<D6BD> ָ<><D6B8><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD>ģ<EFBFBD><C4A3>ڳ<EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>롣 ָ<><D6B8><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>FIFO <20><>ʣ<EFBFBD><CAA3><EFBFBD>ռ<EFBFBD><D5BC>Ĵ<EFBFBD>С 8K-1500<30><30>
//<2F><><EFBFBD>ý<EFBFBD><C3BD>ն<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>ֽ<EFBFBD>
ENC28J60_Write(ERXRDPTL,RXSTART_INIT&0xFF);
ENC28J60_Write(ERXRDPTH,RXSTART_INIT>>8);
//<2F><><EFBFBD>ý<EFBFBD><C3BD>ս<EFBFBD><D5BD><EFBFBD><EFBFBD>ֽ<EFBFBD>
ENC28J60_Write(ERXNDL,RXSTOP_INIT&0xFF);
ENC28J60_Write(ERXNDH,RXSTOP_INIT>>8);
//<2F><><EFBFBD>÷<EFBFBD><C3B7><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ֽ<EFBFBD>
ENC28J60_Write(ETXSTL,TXSTART_INIT&0xFF);
ENC28J60_Write(ETXSTH,TXSTART_INIT>>8);
//<2F><><EFBFBD>÷<EFBFBD><C3B7>ͽ<EFBFBD><CDBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
ENC28J60_Write(ETXNDL,TXSTOP_INIT&0xFF);
ENC28J60_Write(ETXNDH,TXSTOP_INIT>>8);
// do bank 1 stuff,packet filter:
// For broadcast packets we allow only ARP packtets
// All other packets should be unicast only for our mac (MAADR)
//
// The pattern to match on is therefore
// Type ETH.DST
// ARP BROADCAST
// 06 08 -- ff ff ff ff ff ff -> ip checksum for theses bytes=f7f9
// in binary these poitions are:11 0000 0011 1111
// This is hex 303F->EPMM0=0x3f,EPMM1=0x30
//<2F><><EFBFBD>չ<EFBFBD><D5B9><EFBFBD><EFBFBD><EFBFBD>
//UCEN<45><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//<2F><>ANDOR = 1 ʱ<><CAB1>
//1 = Ŀ<><C4BF><EFBFBD><EFBFBD>ַ<EFBFBD>뱾<EFBFBD><EBB1BE>MAC <20><>ַ<EFBFBD><D6B7>ƥ<EFBFBD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ANDOR = 0 ʱ<><CAB1>
//1 = Ŀ<><C4BF><EFBFBD><EFBFBD>ַ<EFBFBD>뱾<EFBFBD><EBB1BE>MAC <20><>ַƥ<D6B7><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0>ᱻ<EFBFBD><E1B1BB><EFBFBD><EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//CRCEN<45><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRC У<><D0A3>ʹ<EFBFBD><CAB9>λ
//1 = <20><><EFBFBD><EFBFBD>CRC <20><>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRC <20>Ƿ<EFBFBD><C7B7><EFBFBD>Ч
//PMEN<45><4E><EFBFBD><EFBFBD>ʽƥ<CABD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//<2F><>ANDOR = 1 ʱ<><CAB1>
//1 = <20><><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD>ʽƥ<CABD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򽫱<EFBFBD><F2BDABB1><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ANDOR = 0 ʱ<><CAB1>
//1 = <20><><EFBFBD>ϸ<EFBFBD>ʽƥ<CABD><C6A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write(ERXFCON,ERXFCON_UCEN|ERXFCON_CRCEN|ERXFCON_PMEN);
ENC28J60_Write(EPMM0,0x3f);
ENC28J60_Write(EPMM1,0x30);
ENC28J60_Write(EPMCSL,0xf9);
ENC28J60_Write(EPMCSH,0xf7);
// do bank 2 stuff
// enable MAC receive
//bit 0 MARXEN<45><4E>MAC <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//1 = <20><><EFBFBD><EFBFBD>MAC <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD>
//bit 3 TXPAUS<55><53><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//1 = <20><><EFBFBD><EFBFBD>MAC <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ˫<C8AB><CBAB>ģʽ<C4A3>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9>ͣ֡<CDA3><D6A1><EFBFBD><EFBFBD>
//bit 2 RXPAUS<55><53><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//1 = <20><><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>֡ʱ<D6A1><CAB1><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><><EFBFBD>Խ<EFBFBD><D4BD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD>֡
ENC28J60_Write(MACON1,MACON1_MARXEN|MACON1_TXPAUS|MACON1_RXPAUS);
// bring MAC out of reset
//<2F><>MACON2 <20>е<EFBFBD>MARST λ<><CEBB><EFBFBD>㣬ʹMAC <20>˳<EFBFBD><CBB3><EFBFBD>λ״̬<D7B4><CCAC>
ENC28J60_Write(MACON2,0x00);
// enable automatic padding to 60bytes and CRC operations
//bit 7-5 PADCFG2:PACDFG0<47><30><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRC <20><><EFBFBD><EFBFBD>λ
//111 = <20><>0 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>֡<EFBFBD><D6A1>64 <20>ֽڳ<D6BD><DAB3><EFBFBD><EFBFBD><EFBFBD>׷<EFBFBD><D7B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC
//110 = <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
//101 = MAC <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8100h <20><><EFBFBD><EFBFBD><EFBFBD>ֶε<D6B6>VLAN Э<><D0AD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>䵽64 <20>ֽڳ<D6BD><DAB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>VLAN ֡<><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>60 <20>ֽڳ<D6BD><DAB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ׷<D2AA><D7B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC
//100 = <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
//011 = <20><>0 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>֡<EFBFBD><D6A1>64 <20>ֽڳ<D6BD><DAB3><EFBFBD><EFBFBD><EFBFBD>׷<EFBFBD><D7B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC
//010 = <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
//001 = <20><>0 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>֡<EFBFBD><D6A1>60 <20>ֽڳ<D6BD><DAB3><EFBFBD><EFBFBD><EFBFBD>׷<EFBFBD><D7B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC
//000 = <20><><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
//bit 4 TXCRCEN<45><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CRC ʹ<><CAB9>λ
//1 = <20><><EFBFBD><EFBFBD>PADCFG<46><47><EFBFBD>Σ<EFBFBD>MAC<41><43><EFBFBD><EFBFBD><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD>֡<EFBFBD><D6A1>ĩβ׷<CEB2><D7B7>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC<52><43> <20><><EFBFBD><EFBFBD>PADCFG<46>涨Ҫ
//׷<><D7B7><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC<52><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뽫TXCRCEN <20><>1<EFBFBD><31>
//0 = MAC<41><43><EFBFBD><EFBFBD>׷<EFBFBD><D7B7>CRC<52><43> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4 <20><><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>CRC <20>򱨸<EFBFBD><F2B1A8B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//bit 0 FULDPX<50><58>MAC ȫ˫<C8AB><CBAB>ʹ<EFBFBD><CAB9>λ
//1 = MAC<41><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ˫<C8AB><CBAB>ģʽ<C4A3>¡<EFBFBD> PHCON1.PDPXMD λ<><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31>
//0 = MAC<41><43><EFBFBD><EFBFBD><EFBFBD>ڰ<EFBFBD>˫<EFBFBD><CBAB>ģʽ<C4A3>¡<EFBFBD> PHCON1.PDPXMD λ<><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㡣
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,MACON3,MACON3_PADCFG0|MACON3_TXCRCEN|MACON3_FRMLNEN|MACON3_FULDPX);
// set inter-frame gap (non-back-to-back)
//<2F><><EFBFBD>÷DZ<C3B7><C7B1>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5>ֽ<EFBFBD>
//MAIPGL<47><4C> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ʹ<EFBFBD><CAB9>12h <20><><EFBFBD≯üĴ<C3BC><C4B4><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD>ð<EFBFBD>˫<EFBFBD><CBAB>ģʽ<C4A3><CABD>Ӧ<EFBFBD><D3A6><EFBFBD>̷DZ<CCB7><C7B1>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8>ֽ<EFBFBD>MAIPGH<47><48> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ʹ<EFBFBD><CAB9>0Ch
//<2F><><EFBFBD≯üĴ<C3BC><C4B4><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write(MAIPGL,0x12);
ENC28J60_Write(MAIPGH,0x0C);
// set inter-frame gap (back-to-back)
//<2F><><EFBFBD>ñ<EFBFBD><C3B1>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>MABBIPG<50><47><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
//ȫ˫<C8AB><CBAB>ģʽʱ<CABD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ʹ<EFBFBD><CAB9>15h <20><><EFBFBD≯üĴ<C3BC>
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ð<EFBFBD>˫<EFBFBD><CBAB>ģʽʱ<CABD><CAB1>ʹ<EFBFBD><CAB9>12h <20><><EFBFBD>б<EFBFBD><D0B1>̡<EFBFBD>
ENC28J60_Write(MABBIPG,0x15);
// Set the maximum packet size which the controller will accept
// Do not send packets longer than MAX_FRAMELEN:
// <20><><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD> 1500
ENC28J60_Write(MAMXFLL,MAX_FRAMELEN&0xFF);
ENC28J60_Write(MAMXFLH,MAX_FRAMELEN>>8);
// do bank 3 stuff
// write MAC address
// NOTE: MAC address in ENC28J60 is byte-backward
//<2F><><EFBFBD><EFBFBD>MAC<41><43>ַ
ENC28J60_Write(MAADR5,macaddr[0]);
ENC28J60_Write(MAADR4,macaddr[1]);
ENC28J60_Write(MAADR3,macaddr[2]);
ENC28J60_Write(MAADR2,macaddr[3]);
ENC28J60_Write(MAADR1,macaddr[4]);
ENC28J60_Write(MAADR0,macaddr[5]);
//<2F><><EFBFBD><EFBFBD>PHYΪȫ˫<C8AB><CBAB> LEDBΪ<42><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_PHY_Write(PHCON1,PHCON1_PDPXMD);
// no loopback of transmitted frames <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
//HDLDIS<49><53>PHY <20><>˫<EFBFBD><CBAB><EFBFBD><EFBFBD><EFBFBD>ؽ<EFBFBD>ֹλ
//<2F><>PHCON1.PDPXMD = 1 <20><>PHCON1.PLOOPBK = 1 ʱ<><CAB1>
//<2F><>λ<EFBFBD>ɱ<EFBFBD><C9B1><EFBFBD><EFBFBD>ԡ<EFBFBD>
//<2F><>PHCON1.PDPXMD = 0 <20><>PHCON1.PLOOPBK = 0 ʱ<><CAB1>
//1 = Ҫ<><D2AA><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>ݽ<EFBFBD>ͨ<EFBFBD><CDA8>˫<EFBFBD><CBAB><EFBFBD>߽ӿڷ<D3BF><DAB7><EFBFBD>
//0 = Ҫ<><D2AA><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>ݻỷ<DDBB>ص<EFBFBD>MAC <20><>ͨ<EFBFBD><CDA8>˫<EFBFBD><CBAB><EFBFBD>߽ӿڷ<D3BF><DAB7><EFBFBD>
ENC28J60_PHY_Write(PHCON2,PHCON2_HDLDIS);
// switch to bank 0
//ECON1 <20>Ĵ<EFBFBD><C4B4><EFBFBD>
//<2F>Ĵ<EFBFBD><C4B4><EFBFBD>3-1 <20><>ʾΪECON1 <20>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD>
//ENC28J60 <20><><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ܡ<EFBFBD> ECON1 <20>а<EFBFBD><D0B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ܡ<EFBFBD><DCA1><EFBFBD>
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DMA <20><><EFBFBD>ƺʹ洢<CDB4><E6B4A2>ѡ<EFBFBD><D1A1>λ<EFBFBD><CEBB>
ENC28J60_Set_Bank(ECON1);
// enable interrutps
//EIE<49><45> <20><>̫<EFBFBD><CCAB><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>
//bit 7 INTIE<49><45> ȫ<><C8AB>INT <20>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>λ
//1 = <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD>INT <20><><EFBFBD><EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>INT <20><><EFBFBD>ŵĻ<C4BB><EEB6AF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>ձ<EFBFBD><D5B1><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD><C6BD>
//bit 6 PKTIE<49><45> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>λ
//1 = <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
//0 = <20><>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,EIE,EIE_INTIE|EIE_PKTIE);
// enable packet reception
//bit 2 RXEN<45><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ
//1 = ͨ<><CDA8><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD>
//0 = <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD>ݰ<EFBFBD>
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,ECON1,ECON1_RXEN);
if(ENC28J60_Read(MAADR5)== macaddr[0])return 0;//<2F><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>
else return 1;
}
//<2F><>ȡEREVID
u8 ENC28J60_Get_EREVID(void)
{
//<2F><>EREVID <20><>Ҳ<EFBFBD>洢<EFBFBD>˰汾<CBB0><E6B1BE>Ϣ<EFBFBD><CFA2> EREVID <20><>һ<EFBFBD><D2BB>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>
//<2F>ƼĴ<C6BC><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>5 λ<><CEBB>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><D8B6><EFBFBD>Ƭ
//<2F>İ汾<C4B0><E6B1BE>
return ENC28J60_Read(EREVID);
}
//#include "uip.h"
//ͨ<><CDA8>ENC28J60<36><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//len:<3A><><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD>С
//packet:<3A><><EFBFBD>ݰ<EFBFBD>
void ENC28J60_Packet_Send(u32 len,u8* packet)
{
//<2F><><EFBFBD>÷<EFBFBD><C3B7>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַдָ<D0B4><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write(EWRPTL,TXSTART_INIT&0xFF);
ENC28J60_Write(EWRPTH,TXSTART_INIT>>8);
//<2F><><EFBFBD><EFBFBD>TXNDָ<44>룬<EFBFBD>Զ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD>С
ENC28J60_Write(ETXNDL,(TXSTART_INIT+len)&0xFF);
ENC28J60_Write(ETXNDH,(TXSTART_INIT+len)>>8);
//дÿ<D0B4><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڣ<D6BD>0x00<30><30>ʾʹ<CABE><CAB9>macon3<6E><33><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>
ENC28J60_Write_Op(ENC28J60_WRITE_BUF_MEM,0,0x00);
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>
//printf("len:%d\r\n",len); //<2F><><EFBFBD>ӷ<EFBFBD><D3B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
ENC28J60_Write_Buf(len,packet);
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,ECON1,ECON1_TXRTS);
//<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⡣<EFBFBD>μ<EFBFBD>Rev. B4 Silicon Errata point 12.
if((ENC28J60_Read(EIR)&EIR_TXERIF))ENC28J60_Write_Op(ENC28J60_BIT_FIELD_CLR,ECON1,ECON1_TXRTS);
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡһ<C8A1><D2BB><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD>
//maxlen:<3A><><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ճ<EFBFBD><D5B3><EFBFBD>
//packet:<3A><><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD>(<28>ֽ<EFBFBD>)
u32 ENC28J60_Packet_Receive(u32 maxlen,u8* packet)
{
u32 rxstat;
u32 len;
if(ENC28J60_Read(EPKTCNT)==0)return 0; //<2F>Ƿ<EFBFBD><C7B7>յ<EFBFBD><D5B5><EFBFBD><EFBFBD>ݰ<EFBFBD>?
//<2F><><EFBFBD>ý<EFBFBD><C3BD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
ENC28J60_Write(ERDPTL,(NextPacketPtr));
ENC28J60_Write(ERDPTH,(NextPacketPtr)>>8);
// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
NextPacketPtr=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0);
NextPacketPtr|=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0)<<8;
//<2F><><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><C4B3><EFBFBD>
len=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0);
len|=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0)<<8;
len-=4; //ȥ<><C8A5>CRC<52><43><EFBFBD><EFBFBD>
//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>״̬
rxstat=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0);
rxstat|=ENC28J60_Read_Op(ENC28J60_READ_BUF_MEM,0)<<8;
//<2F><><EFBFBD>ƽ<EFBFBD><C6BD>ճ<EFBFBD><D5B3><EFBFBD>
if (len>maxlen-1)len=maxlen-1;
//<2F><><EFBFBD><EFBFBD>CRC<52>ͷ<EFBFBD><CDB7>Ŵ<EFBFBD><C5B4><EFBFBD>
// ERXFCON.CRCENΪĬ<CEAA><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,һ<><D2BB><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><C7B2><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>.
if((rxstat&0x80)==0)len=0;//<2F><>Ч
else ENC28J60_Read_Buf(len,packet);//<2F>ӽ<EFBFBD><D3BD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><D0B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD>
//RX<52><58>ָ<EFBFBD><D6B8><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0>Ŀ<EFBFBD>ʼλ<CABC><CEBB>
//<2F><><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>ǸղŶ<D5B2><C5B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
ENC28J60_Write(ERXRDPTL,(NextPacketPtr));
ENC28J60_Write(ERXRDPTH,(NextPacketPtr)>>8);
//<2F>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ENC28J60_Write_Op(ENC28J60_BIT_FIELD_SET,ECON2,ECON2_PKTDEC);
return(len);
}