net.h

用于DSP下摄像机的图像抓取、图像处理和传输、以及与上位机TCP/IP通信的工程文件。基于Texas Instruments Code Composer Studio实现。

#ifndef _OCRDM642_NET_H
#define _OCRDM642_NET_H
#include <csl.h>
#include <csl_cache.h>
#include <netmain.h>
#include "CommonDef.h"

#define MAXPACKET 128
#define CONFIG_GETIP_REQ 		0xcf00
#define CONFIG_IP_REQ			0xcf01
#define CONFIG_DHCP_REQ			0xcf02
#define CONFIG_REPLY_OK			0xcf03
#define CONFIG_REPLY_FAIL		0xcf04
#define CONFIG_COMPLETE			0xcf05

//Ethernet config 
typedef struct _tagETH_INFO
{
	char strLocalIPAddr[20];       
	char strLocalIPMask[20];    
	char strGatewayIP[20];      
	char strDomainName[20];
	char strHostName[20];
	unsigned char bMacAddr[8];
	char reserved1;
	char reserved2;
}ETH_INFO;

typedef struct _tagIpHeader{
	unsigned int h_len:4;          // length of the header
	unsigned int version:4;        // Version of IP
	unsigned char tos;             // Type of service
	unsigned short total_len;      // total length of the packet
	unsigned short ident;          // unique identifier
	unsigned short frag_and_flags; // flags
	unsigned char  ttl; 
	unsigned char proto;           // protocol (TCP, UDP etc)
	unsigned short checksum;       // IP checksum
	unsigned int sourceIP;
	unsigned int destIP;
}IP_HDR;

typedef struct _tagConfigHeader{
	unsigned int c_ip;
	unsigned int c_gate;
	unsigned int c_mask;
	unsigned char c_mac[8];
	unsigned short c_mode;
	unsigned short c_id;
	unsigned short c_reserve;
	unsigned short c_cksum;
}CONFIG_HDR;

#ifdef __cplusplus
extern "C" {
#endif

void DM642EMAC_getConfig( unsigned char *pMacAddr, unsigned int *pIntVector );
void DM642EMAC_linkStatus( unsigned int phy, unsigned int linkStatus );
void NetworkOpen();
void NetworkClose();
void NetworkIPAddr( IPN IPAddr, unsigned int IfIdx, unsigned int fAdd );
void NetInit();

extern volatile int g_nNormStatus;
extern volatile int g_nPrioStatus;
extern volatile int g_nNeedReply;
extern volatile int g_nMakeCfgStatus;
extern volatile int g_nNetStackStoped;
extern volatile int	g_nDhcpEnable;
//extern volatile int g_nDhcpStatus;
extern volatile unsigned int g_nDhcpIpAddress;
extern volatile int g_nNetOK;
extern ETH_INFO* g_pEthInfo;
extern CONFIG_HDR g_cfgIPHeader;
extern far char dataBuf[5242880];
extern volatile int g_nNetLinkStatus;
#ifdef __cplusplus
}
#endif

#endif