msgpkt.h

为了满足每个项目终端的需求

/***************************************************************************
*
*		FileName:       msgpkt.h
*		Revision:       2008/07/25
*		Author:			Du Biao
*****************************************************************************
* DESCRIPTION:
	message types definition and other pkt structures
*
* COPYRIGHT:
	(C) HEBEI FAR-EAST HARRIS COMMUNICATIONS COMPANY LTD.

* HISTORY:
	08/07/25:
		Initial verison by Du Biao
*
*/





#ifndef MSGPKT_H
#define MSGPKT_H

/* Command from PC */
#define	CMD_HELLO				0x0F
#define	CMD_ERASE_BLOCK			0x01
#define	CMD_WRITE_BLOCK			0x02
#define	CMD_READ_BLOCK			0x03
#define	CMD_PPCBOOT_DATA		0x04
#define	CMD_KERNEL_DATA			0x05
#define	CMD_RAMDISK_DATA		0x06
#define	CMD_CFG_DATA			0x07
#define	CMD_READCFG_ACK			0x08
#define	CMD_CUT_LINK			0x09
#define CMD_RESTART_ACK			0x0A
/* Status to PC */
#define STA_PACKET_ERR          0x2A
#define STA_HELLO_ACK			0x1F
#define STA_PPCBOOTFILE_OK		0x14
#define STA_PPCBOOTFILE_ERR		0x24
#define STA_KERNELFILE_OK		0x15
#define STA_KERNELFILE_ERR		0x25
#define STA_RAMDISKFILE_OK		0x16
#define STA_RAMDISKFILE_ERR		0x26
#define STA_ERASEBLOCK_OK		0x11
#define STA_ERASEBLOCK_ERR		0x21
#define STA_WRITEBLOCK_OK		0x12
#define STA_WRITEBLOCK_ERR		0x22
#define STA_READCFG_ERR			0x28
#define STA_READCFG_OK			0x18
#define STA_REVCFG_ERR			0x27
#define STA_REVCFG_OK			0x17
#define STA_CUTLINK_OK			0x19



#define MAX_FILE_DATA_LEN  		512
#define ARM_PROGRAM_PORT 		2101



#define	START_BYTE				0x7E
#define	RESERVED_BYTE			0xFF

#define NAND_FLASH				0x01
#define INTEL28F160C3B			0x02

#define DEV_CZT_CFG				0x01
#define DEV_GDT_CFG				0x02

#define ADDR_CZT				"/yaf/cfgdata/mboxcztsys.cfg"
#define ADDR_GDT				"/yaf/cfgdata/mboxgdtsys.cfg"

#define TIME_LENGTH				6
#define DATE_LENGTH 			8
#define ALLTIME_LENGTH			14
#define MAX_CFG_LENGTH			78
#define CZT_CFG_LENGTH			56
#define GDT_CFG_LENGTH			64


/* use dynamic allocation */
#define MAX_BUFFER_SIZE		0x440000 /* > 4MB*/
#define BLOCK_SIZE			0x4000   /*16k*/
#define MAX_PKTSUM			8200     /*8200 pkt*/



/* All the len in the following structure should use ascii
cause PC will process the data as string.
*/
#define 	PACKED        __attribute__((packed))
typedef struct PACKED
{
	U32	TotalSize;
	U32	UsedSize;
	U32	ReadSize;
	U32 SentSize;
	U32	WritenSize;
	U8*	Buffer;
	U8*	BufferBak;
	int DataPktIndexBak;
}RAM_BUFFER;

typedef struct PACKED
{
	U16	Index;
	U16	Sum;
	U8	BCC;
	U16	DataLen;
	U8	Data[MAX_FILE_DATA_LEN+1];
}FILE_DATA;

typedef struct PACKED
{
	U8	Start;
	U8	MsgType;
	FILE_DATA  Msg ;
}PKT;

typedef struct PACKED
{
	U8	Version;
	U8	ResBYTE;
}HELLO_DATA;






/************************************************************
    PUBLIC FUNCTIONS
************************************************************/
extern int ReadPkt(int dev, PKT* pkt, U32 infolen);
extern int SendPkt(int dev, U8 event, FILE_DATA* info,U32 infolen);
extern U8 CheckPkt(PKT *pkt) ;
extern unsigned char PktCalcCRC(unsigned char *pData,int iDataLength) ;



#endif /*MSGPKT_H*/