dbsfile.h

C51访问西门子MC55做的透传模块, 支持远程注册和配置, 仅支持TCP协议, 其他请参考MC55说明书.

#ifndef _CLASS_CDbsFile_H__
#define _CLASS_CDbsFile_H__
#include "AfxHead.h"
#include "Memory.h"
#include "SwpFile.h"
extern unsigned long GetFileDataCrc(const void *aData, const unsigned long aSize);
extern unsigned long int  GetPWDLongIntValue(const void *aData,unsigned long aSize);
//内存表结构，不要改变顺序
struct CMemMeter
{	
	unsigned short int  MeterNo;        	//表号2
	unsigned short int	uFileIndex;			//在文件中索引位置，即第几个192字节,从1开始,第0位置为中继信息
	unsigned short int	TransformerId;		//区号：台变标识
	unsigned short int	uArea;				//片号：片区号,该表所在片区号
	unsigned long  int	ReadingTime;		//抄表时间
	float				Reading;    		//表读数	
	short int 			ReadOK:1;				//本批次读表是否成功
	short int			SpecialMeter:1; 
	unsigned char  uRelay[5];				//中继信息：最高位＝0无效，1＝有效，低四位为中继水平。
};
class CDbsFile:protected CSwpFile 
{
public:
	int GetCurMeterCount() const;
	int GetErrorCode() const; 
	CDbsFile();
	virtual ~CDbsFile();
protected:
	void DeleteMeter(const unsigned short int delMeterNo);
	void AppendORModifyMeter(const char *Data);
	void EmptyAllMeter();
	unsigned short int FindMeterMemoryIndex(unsigned short MeterNo);
	struct CMemMeter *GetMeterMemoryAddr(long nMemIndex);
	struct CMemMeter *FindMeterMemoryAddr(unsigned short MeterNo);
	void ReadDBS();
private:
	void WriteBasicMeterDataToFile(unsigned char  data[192],int Position);
	int CheckDBSFileHead(FILE *fp);//文件错误，0＝文件OK；
	int CreateNewDbs();//1=失败 0＝成功
	unsigned char m_HubMsgData[192];//保存数据库的所有信息，使用是先校验一下数据
	long  m_DataOffset;
	unsigned short m_CurMeterCount;
	unsigned short m_MaxMeterCount;
	char m_ErrorCode;
	CMemory<struct CMemMeter> m_Dbs;
	FILE *m_DBSFile;
};
inline CDbsFile::CDbsFile()
{
	m_ErrorCode=0;
}
inline CDbsFile::~CDbsFile()
{

}
inline int CDbsFile::GetErrorCode() const 
{
	return m_ErrorCode;
}
inline int CDbsFile::GetCurMeterCount() const
{
	return m_CurMeterCount;
}
inline struct CMemMeter *CDbsFile::FindMeterMemoryAddr(unsigned short MeterNo)
{
	unsigned short int Index=FindMeterMemoryIndex(MeterNo);
	if(Index==0) return NULL;
	return m_Dbs.GetAddr(Index);
}
inline struct CMemMeter *CDbsFile::GetMeterMemoryAddr(long nMemIndex)
{
	return m_Dbs.GetAddr(nMemIndex);
}
#endif