www.gusucode.com > 串口测试程序，用于调试rs485接口 串口通信的程序 > 串口测试程序，用于调试rs485接口 串口通信的程序/commtest/MyCom.cpp

    // MyCom.cpp: implementation of the CMyCom class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "stdafx.h"
#include "CommTest.h"
#include "MyCom.h"
#include "CommTestDlg.h"
#define  LINELBYTES  25
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CMyCom::CMyCom()
{
	pCommTestDlg = FALSE;
}

CMyCom::~CMyCom()
{

}

CMyCom::CMyCom(CCommTestDlg *pDlg)
{
	pCommTestDlg = pDlg;
}

BOOL CMyCom::OnReceive()
{
	BYTE buff[1024];
	time_ttc1 = ::GetTickCount() - time_ttc;
	
	GetSystemTime( &m_time );

	DWORD Len = Read( buff, sizeof(buff));
	
	if( Len > 0)
		DisplayCommunicateCode(buff, Len, TRUE);
	return Len;
}

BOOL CMyCom::DisplayCommunicateCode(BYTE *buff, DWORD Len, BOOL Flags)
{
	DWORD i = 0;
	CString str;
	char temp[LINELBYTES] = {0};
	if(pCommTestDlg == NULL || Len == 0)
		return FALSE;
	if(!pCommTestDlg ->m_hex)
	{
		str ="";
		for(i = 0; i < Len; i++)
		{
			sprintf(temp,"%02x ",buff[i]);
			str = str + temp;
			if((i + 1) % LINELBYTES == 0)
				str += "\r\n";
		}
	}
	else
	{
		str ="";
		for(i = 0; i < Len / LINELBYTES; i++)
		{
			strncpy(temp,(char *)&buff[i * LINELBYTES],LINELBYTES);
			str += temp;
			str += "\r\n";
		}
		memset(temp,0,LINELBYTES);
		strncpy(temp,(char *)&buff[i * LINELBYTES],Len % LINELBYTES);
		str += temp;
	}
	pCommTestDlg->m_display += "\r\n";
	if(Flags)
	{
		char tmp[20] = {0};
		sprintf( tmp,"\n time = %d mis = %d \n", time_ttc1, m_time.wMilliseconds);
		pCommTestDlg->m_display += tmp;
		if(m_send)
		{
			m_send = false;
			pCommTestDlg->m_display += "接收:";
		}

	}
	else
		pCommTestDlg->m_display += "发送:";
	pCommTestDlg->m_display += "\r\n";
	str.MakeUpper();
	pCommTestDlg->m_display += str;
	pCommTestDlg->SendMessage(WM_USER + 100,0,0);
	return TRUE;
}

DWORD CMyCom::Write(BYTE *buff, DWORD bufflen)
{
	DWORD Len = CAsyncCom::Write(buff, bufflen,FALSE);
	DisplayCommunicateCode(buff, bufflen,FALSE);
	time_ttc = ::GetTickCount();
	m_send = true;
	return Len;
}
BOOL CMyCom::SetCom(COMM_STRUCT &t)
{
	StopBits = t.stbit + 1;

	Parity   = t.parity ;
	//##ModelId=3BDCCE3D03B4
	ByteSize = t.dabit + 6;
	//##ModelId=3BDCCE3D03BD
	BaudRate = 1200;

	sComName.Format("\\\\.\\COM%d",t.comno + 1);
//	sComName.Format("\\\\.\\LPT1");	
	return TRUE;
}
//"LD_LIBRARY_PATH", "/lib:/usr/lib:/home/et1000"

//export  LD_LIBRARY_PATH="/lib:/usr/lib:/home/et1000"
//insmod  /data0/serial.o
//fopen