plotdatastream.h

一个通过USB->UART读取C8051F060的程序

// PlotDataStream.h: interface for the CPlotDataStream class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PLOTDATASTREAM_H__E69759E1_873E_49BE_A517_2B7D3DB7D5B7__INCLUDED_)
#define AFX_PLOTDATASTREAM_H__E69759E1_873E_49BE_A517_2B7D3DB7D5B7__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class  CPlotDataStream;
typedef   void  (*pfnCallBack)(double *dbValue[]/*通道数据*/, ULONG arrWfmSize[]/*每通道数据大小*/, int nCount/*通道数目*/);
typedef   void  (*pfnCBRealData)(int nSize, UINT IndPtArr[], double dbDCValue[]/*直流通道数据*/, double dbACValue[]/*交流通道数据*/);
class CPlotDataStream  
{
public:
	CPlotDataStream();
	virtual ~CPlotDataStream();

	//初始化文件
    BOOL   InitFile(LPCTSTR  szFile);

	//写入文件
	void   Stream(char cVal[], ULONG nChnlNum);

	//连续回读显示
	static   void   ContShowData(pfnCallBack  fpShowData, LPCTSTR  szFile);
	
	//读取实时电压
	static   void   FetchRealData(int nSize, UINT IndPtArr[], double *dbDCValue[2]/*直流通道数据*/, 
									double *dbACValue[2], LPCTSTR  szFile);

	static   ULONG  FetchSize(LPCTSTR  szFile);
	//关闭
	virtual  void   Cleanup();
	
protected:	
	CFile			 m_sDataFile;
	CString			 m_szTmpFile;
	BOOL			 m_bFileOpened;
};

#endif // !defined(AFX_PLOTDATASTREAM_H__E69759E1_873E_49BE_A517_2B7D3DB7D5B7__INCLUDED_)