ethernet_bak.c

来自「包含了st710x开发板的所有源程序代码」· C语言 代码 · 共 50 行

#include "Ethernet.h"
#include "rccu.h"


u8 next_packet;
u8 curr_recv;
u8 net_overlow;
u8 flagresend;//sometimes need resend  the packet
u8 curr_use,next_use;

u8 local_eth_addr[6] = {0x44,0x22,0x88,0x66,0xCC,0xAA};

//u16 local_eth_addr[3] = {0x4422, 0x8866, 0xCCAA};
#define REG32(x)		*((volatile unsigned int *)(x))
#define REG16(x)		*((volatile unsigned short *)(x))
#define REG8(x)			*((volatile unsigned char *)(x))

void  WriteToNet(u16 ADDR_16,u16 WRITEDATA)
//void  WriteToNet(u8 ADDR_16,u8 WRITEDATA)
{
	
	(*((volatile unsigned short *) NET_BASE_ADDR+ADDR_16))=WRITEDATA;//0x83400000	 
	//unsigned long addr;
	//addr = 0x66400000+ADDR_16*2;
	//REG8(addr)=WRITEDATA;
	
}


/****************************************************************************
* 名称：ReadFromNet()
* 功能：从RTL8019AS把数据读出
* 入口参数：	ADDR		读出地址

  * 出口参数：	READDATA   	读出数据
****************************************************************************/
u16  ReadFromNet(u16 ADDR_16)
//u8  ReadFromNet(u8 ADDR_16)
{
	u16 temp;
	temp=(*((volatile unsigned short *) NET_BASE_ADDR+ADDR_16));//0x83400000
	//u8 temp;
	//unsigned long addr;
	//addr = 0x66400000+ADDR_16*2;
	//temp = REG8(addr);
	return (temp);
}
/**********************************************************************
**函数原型：    void  page(u8 pagenumber)
**入口参数: