usercom.cpp

该程序实现FIRE足球机器人竞赛中的3：3比赛源码

// UserCOM.cpp: implementation of the CUserCOM class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
//#include "ugp_3000.h"
#include "UserCOM.h"
#include "memory.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

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

CUserCOM::CUserCOM()
{
	m_uCOMPort = 0;
	m_hComm = NULL;
	::memset(&m_Timeouts, 0, sizeof(COMMTIMEOUTS));
	m_Timeouts.ReadIntervalTimeout = MAXDWORD;
}

CUserCOM::~CUserCOM()
{
	if (m_hComm)
	{
		::CloseHandle(m_hComm);
		m_hComm = NULL;
	}
	m_uCOMPort = 0;
}

BOOL CUserCOM::Init(unsigned uPort)
{
	if (m_uCOMPort == uPort)
		return TRUE;
	if (m_hComm)
	{
		::CloseHandle(m_hComm);
		m_hComm = NULL;
	}
	if (uPort == 0)
	{
		m_hComm = NULL;
		m_uCOMPort = 0;
		return TRUE;
	}
	static char* PortName[5] =
	{
		"",
		"COM1",
		"COM2",
		"COM3",
		"COM4"
	};
	m_hComm = ::CreateFile(PortName[uPort],
		GENERIC_READ | GENERIC_WRITE,
		NULL, NULL,
		OPEN_EXISTING,
		0,
		NULL);
	if (m_hComm == INVALID_HANDLE_VALUE)
	{
		m_hComm = NULL;
		m_uCOMPort = 0;
		return FALSE;
	}
	else
	{
		m_uCOMPort = uPort;
		DCB dcb;
		::GetCommState(m_hComm, &dcb);
		switch(m_uCOMPort)
		{
		case 1:
	
		     dcb.BaudRate=57600;
			 dcb.ByteSize=8;
			 dcb.Parity=0;
		     dcb.fParity=0;
			 dcb.StopBits=0;
			break;

		case 2:
			//::BuildCommDCB("COM2:1200,N,8,1",&dcb);
			break;

		case 3:
			//::BuildCommDCB("COM3:1200,N,8,1",&dcb);
			break;

		case 4:
			::BuildCommDCB("COM4:1200,N,8,1",&dcb);
			break;

		default:
			m_hComm = NULL;
			m_uCOMPort = 0;
			return FALSE;
			break;
		}
        //::GetCommState(m_hComm,&dcb);
		::SetCommState(m_hComm,&dcb);
		::SetCommTimeouts(m_hComm, &m_Timeouts);
		return TRUE;
	}
}

BOOL CUserCOM::Read()
{
	if (!m_uCOMPort)
		return FALSE;
	return ::ReadFile(m_hComm, m_chRead, 256, &m_dwBytesRead, NULL);
}

BOOL CUserCOM::Write(char* chWrite)
{
	if (!m_uCOMPort)
		return FALSE;
	DWORD dw;
	return ::WriteFile(m_hComm, chWrite,1, &dw, NULL);
}