example_dps2812m_lan.h

TMS320F2812驱动cs8900A以太网驱动程序

/* =================================================================================
File name:       	Example_DPS2812M_LAN.H                    
                    
Originator:				SEED R&D Group
		
Description: 
Header file containing constants, data type definitions, and 
function prototypes for the External Analog to Digital Example. 

=====================================================================================
 History:
-------------------------------------------------------------------------------------
 1 -31-2005   Release	Rev 1.0        Daizhanbo 
 10-20-2005		Release	Rev 1.1        Jijunhui                                          
------------------------------------------------------------------------------*/
#ifndef __Example_DPS2812M_LAN_H__

#define __Example_DPS2812M_LAN_H__
 
#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);

#endif