serial.cpp

手机上通过蓝牙串口协议读取GPS接收仪的GPS数据。

// Serial.cpp: implementation of the CSerial class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "PocketGPS.h"
#include "Serial.h"
#include <memory.h>

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

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

CSerial::CSerial()
{
	m_hCom = NULL;
	m_strCom = "";
	m_strBuffer = "";
}

CSerial::~CSerial()
{

}

BOOL CSerial::OpenCom(CString strCom)
{
	//打开并设置COM
	m_strCom = strCom;
	m_hCom = CreateFile(m_strCom.GetBuffer(0), GENERIC_READ|GENERIC_WRITE, 0, NULL ,OPEN_EXISTING, 0,NULL);
	if (m_hCom==(HANDLE)-1)
	{
		AfxMessageBox("打开"+m_strCom+"失败");
		return FALSE;
	}
	else
	{
		DCB wdcb;
		GetCommState (m_hCom,&wdcb);
		wdcb.Parity = NOPARITY;
		wdcb.BaudRate = 19200;
		wdcb.StopBits = 1;
		wdcb.ByteSize = 8;
		SetCommState (m_hCom,&wdcb);
		PurgeComm(m_hCom,PURGE_TXCLEAR);
	}
	return TRUE;
}

void CSerial::CloseCom()
{
	if(m_hCom!=NULL){
		CloseHandle(m_hCom);
		m_hCom = NULL;
	}
}

BOOL CSerial::IsOpen()
{
	if(m_hCom==NULL)
		return FALSE;
	else
		return TRUE;
}