lan.h

DPS2812的開發程序,內有多個測試的程序可以讓你明白板子基本的運作

/***************************************************************************
	filename:	lan.h
	designer:	戴展波
	date:		2005/01/31
****************************************************************************/

#define NO_FRAME_TO_SEND	1
#define SIZE_OF_FRAME	200	//WORD

//IO基地址
#define	IO_BASE_ADDRESS	0x300
//PORT 0 读写数据
#define PORT0_DATA	0x00
//PORT 1 读写数据
#define PORT1_DATA	0x01
//transmit command
#define TXCMD		0x02
//transmit length
#define TXLENGTH	0x03
//interrupt status queue
#define INT_STATUS_QUEUE	0x04
//packetpage point
#define PACK_POINTER	0x05
//packetpage data port 0
#define PACK_DATA0	0x06
//packetpage data port 1
#define PACK_DATA1	0x07

volatile unsigned int* LAN_MCS = (volatile unsigned int *) 0x2000;
volatile unsigned int* LAN_SBHE = (volatile unsigned int *) 0x2800;
volatile unsigned int* LAN_IOR = (volatile unsigned int *) 0x2980;
volatile unsigned int* LAN_IOW = (volatile unsigned int *) 0x2980;

unsigned int receive_frame_size;
unsigned int receive_buffer[SIZE_OF_FRAME];

void init_lan(void);
unsigned int transmit_fail(void);
void delay(unsigned int data);
void transmit_frame(void);
void receive_frame(void);