51单片机上网 RTL8019AS 寄放器配置C源代码

本文格式为Word版，下载可任意编辑——51单片机上网RTL8019AS寄放器配置C源代码#include#include#include\

sbitRESET=P4^0;

typedefunsignedcharuchar;typedefunsignedintuint;

#defineTX_PAGES6

#defineNE_START_PG0x40//发送寄放器的首页地址#defineTX_START_PGNE_START_PG

#defineNE_STOP_PG0x60//接收寄放器环的末地址＋1#defineRX_STOP_PGNE_STOP_PG//

#defineRX_START_PGNE_START_PG+TX_PAGES#defineRX_CURR_PGRX_START_PG+1//下面定义的是RTL8019AS特别寄放器#defineBASE_ADDRESS0x8000

#defineCRXBYTE[BASE_ADDRESS+0x0000]//设置CR寄放器地址#defineDMA_PORTXBYTE[BASE_ADDRESS+0x1000]//设置远程DMA端口#defineRESET_PORTXBYTE[BASE_ADDRESS+0x1800]//设置复位端口

//定义//定义PAGE0中的只读寄放器

#definePG0_CLDA0XBYTE[BASE_ADDRESS+0x0100]#definePG0_CLDA1XBYTE[BASE_ADDRESS+0x0200]#definePG0_BNRYXBYTE[BASE_ADDRESS+0x0300]#definePG0_TSRXBYTE[BASE_ADDRESS+0x0400]#definePG0_NCRXBYTE[BASE_ADDRESS+0x0500]#definePG0_FIFOXBYTE[BASE_ADDRESS+0x0600]#definePG0_ISRXBYTE[BASE_ADDRESS+0x0700]#definePG0_CRDA0XBYTE[BASE_ADDRESS+0x0800]#definePG0_CRDA1XBYTE[BASE_ADDRESS+0x0900]#definePG0_8019D0XBYTE[BASE_ADDRESS+0x0A00]#definePG0_8019D1XBYTE[BASE_ADDRESS+0x0B00]#definePG0_RSRXBYTE[BASE_ADDRESS+0x0C00]#definePG0_CNTR0XBYTE[BASE_ADDRESS+0x0D00]#definePG0_CNTR1XBYTE[BASE_ADDRESS+0x0E00]#definePG0_CNTR2XBYTE[BASE_ADDRESS+0x0F00]

//定义PAGE0中的只写寄放器

#definePG0_PSTARTXBYTE[BASE_ADDRESS+0x0100]#definePG0_PSTOPXBYTE[BASE_ADDRESS+0x0200]#definePG0_BNRYXBYTE[BASE_ADDRESS+0x0300]#definePG0_TPSRXBYTE[BASE_ADDRESS+0x0400]

#definePG0_TBCR0XBYTE[BASE_ADDRESS+0x0500]#definePG0_TBCR1XBYTE[BASE_ADDRESS+0x0600]#definePG0_ISRXBYTE[BASE_ADDRESS+0x0700]#definePG0_RSAR0XBYTE[BASE_ADDRESS+0x0800]#definePG0_RSAR1XBYTE[BASE_ADDRESS+0x0900]#definePG0_RBCR0XBYTE[BASE_ADDRESS+0x0A00]#definePG0_RBCR1XBYTE[BASE_ADDRESS+0x0B00]#definePG0_RCRXBYTE[BASE_ADDRESS+0x0C00]#definePG0_TCRXBYTE[BASE_ADDRESS+0x0D00]#definePG0_DCRXBYTE[BASE_ADDRESS+0x0E00]#definePG0_IMRXBYTE[BASE_ADDRESS+0x0F00]

//定义PAGE1读写寄放器

#definePG1_PAR0XBYTE[BASE_ADDRESS+0x0100]#definePG1_PAR1XBYTE[BASE_ADDRESS+0x0200]#definePG1_PAR2XBYTE[BASE_ADDRESS+0x0300]#definePG1_PAR3XBYTE[BASE_ADDRESS+0x0400]#definePG1_PAR4XBYTE[BASE_ADDRESS+0x0500]#definePG1_PAR5XBYTE[BASE_ADDRESS+0x0600]#definePG1_CURRXBYTE[BASE_ADDRESS+0x0700]#definePG1_MAR0XBYTE[BASE_ADDRESS+0x0800]#definePG1_MAR1XBYTE[BASE_ADDRESS+0x0900]#definePG1_MAR2XBYTE[BASE_ADDRESS+0x0A00]#definePG1_MAR3XBYTE[BASE_ADDRESS+0x0B00]#definePG1_MAR4XBYTE[BASE_ADDRESS+0x0C00]#definePG1_MAR5XBYTE[BASE_ADDRESS+0x0D00]#definePG1_MAR6XBYTE[BASE_ADDRESS+0x0E00]#definePG1_MAR7XBYTE[BASE_ADDRESS+0x0F00]

//定义PAGE2只读寄放器

#definePG2_PSTARTXBYTE[BASE_ADDRESS+0x0100]#definePG2_PSTOPXBYTE[BASE_ADDRESS+0x0200]#definePG2_TPSRXBYTE[BASE_ADDRESS+0x0400]#definePG2_RCRXBYTE[BASE_ADDRESS+0x0C00]#definePG2_TCRXBYTE[BASE_ADDRESS+0x0D00]#definePG2_DCRXBYTE[BASE_ADDRESS+0x0E00]#definePG2_IMRXBYTE[BASE_ADDRESS+0x0F00]//定义PAGE3寄放器

#definePG3_9346CRXBYTE[BASE_ADDRESS+0x0100]#definePG3_CONFIG0XBYTE[BASE_ADDRESS+0x0300]#definePG3_CONFIG1XBYTE[BASE_ADDRESS+0x0400]#definePG3_CONFIG2XBYTE[BASE_ADDRESS+0x0500]#definePG3_CONFIG3XBYTE[BASE_ADDRESS+0x0600]#definePG3_CONFIG4XBYTE[BASE_ADDRESS+0x0D00]

//以下是特别寄放器的位定义//CR寄放器

#definestop_cmd0x01//中止接受或发送数据#definestart_cmd0x02//启动接受或发送数据#definetxp0x04//发送数据#defineno_dma0x00//阻止DMA

#defineread_dma0x08//允许远程DMA读#definewrite_dma0x10//允许远程DMA写#definesend_pck0x18//发送数据

#defineabort_dma0x20//退出/完成远程DMA#definepage00x00//PAGE0选择#definepage10x40//PAGE1选择#definepage20x80//PAGE2选择#definepage30xc0//PAGE3选择

//ISR中断状态寄放器

#defineisr_prx0x01//无错误接受数据包#defineisr_ptx0x02//无错误发送数据包

#definerxe0x04//接受数据包带有如下错误：CRC错误、包丢失错误以及帧队列错误

#definetxe0x08//过分冲突导致传输错误#defineovw0x10//接受缓冲器溢出

#definecnt0x20//当一个或多个网络计数器的MSB设置完成时该位被设置。#definerdc0x40//远程DMA操作完成#definerst0x80//复位

//DCR数据结构寄放器

#definewts0x01//字长的DMA传送

#definebos0x02//传送过程中高位放到MD15-8，低位放到MD7-0#definelas0x04//16位DMA传送模式#definels0x08//回路检测，正常操作

#definearm0x10//自动初始化远程操作，发送包命令执行#definefifo000x00//2字节#definefifo010x20//4字节#definefifo100x40//8字节#definefifo110x60//12字节

//TCR传输配置寄放器

#definetcr_config0x00//设置将要配置TCR寄放器的值#definetcr_crc0x00//CRC正常操作#definelb000x00//正常操作

#definelb010x02//内部LOOKBACK

#definelb100x04//外部LOOKBACK#definelb110x06//外部LOOKBACK#defineatd0x08//多播地址混乱接受#defineofst0x10//冲突补偿

//TSR传送状态寄放器

#definetsr_ptx0x01//无错误接收数据

#definecol0x04//数据传输过程中出现冲突#defineabt0x08//超频导致传送失败

#definecrs0x10//传送数据包时，有包丢失#definecdh0x40//#defineowc0x80//

//RCR接受配置寄放器

#definercr_config0x04//设置将要配置的RCR寄放器的值#definesep0x01//允许错误数据包被接受

#definear0x02//允许帧长度小于64bytes的数据包被接受#defineab0x04//允许广播地址帧数据包被接收#defineam0x08//允大量播地址数据包被被接收

#definepro0x10//允许所有具有目的地址数据包被接收#definemon0x20//

//RSR接受状态寄放器

#definersr_prx0x01//无错误接受数据标志#definers