robotdoc.cpp

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// robotDoc.cpp : implementation of the CRobotDoc class
//

#include "stdafx.h"
#include "robot.h"
#include"SetupDlg.h"
#include "robotDoc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CRobotDoc

IMPLEMENT_DYNCREATE(CRobotDoc, CDocument)

BEGIN_MESSAGE_MAP(CRobotDoc, CDocument)
	//{{AFX_MSG_MAP(CRobotDoc)
	ON_COMMAND(ID_SETUPCOMM, OnSetupcomm)
	ON_COMMAND(ID_CLOSECOMM, OnClosecomm)
	ON_COMMAND(ID_OPENCOMM, OnOpencomm)
	ON_UPDATE_COMMAND_UI(ID_OPENCOMM, OnUpdateOpencomm)
	ON_UPDATE_COMMAND_UI(ID_CLOSECOMM, OnUpdateClosecomm)
	ON_COMMAND(ID_ANJIANCTRL, OnAnjianctrl)
	ON_UPDATE_COMMAND_UI(ID_ANJIANCTRL, OnUpdateAnjianctrl)
	ON_COMMAND(ID_VOICECTRL, OnVoicectrl)
	ON_UPDATE_COMMAND_UI(ID_VOICECTRL, OnUpdateVoicectrl)
	ON_COMMAND(ID_HELP, OnHelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRobotDoc construction/destruction

CRobotDoc::CRobotDoc()
{
	// TODO: add one-time construction code here
	m_bConnected=FALSE;
	m_pThread=NULL;
	m_nBaud =244;
	m_nDataBits = 8;
	m_nParity = 1;
	m_sPort = "COM1";
	m_nStopBits = 0;
	m_bctrlmodal=FALSE;
	m_uCurrentBtn=ID_CLOSECOMM;
}

CRobotDoc::~CRobotDoc()
{
	if(m_bConnected)
	CloseConnection();
	// 删除事件句柄
	if(m_hPostMsgEvent)
	CloseHandle(m_hPostMsgEvent);
	if(m_osRead.hEvent)
	CloseHandle(m_osRead.hEvent);
	if(m_osWrite.hEvent)
	CloseHandle(m_osWrite.hEvent);
}

BOOL CRobotDoc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)
	// 为WM_COMMNOTIFY消息创建事件对象，手工重置，初始化为有信号的
	if((m_hPostMsgEvent=CreateEvent(NULL, TRUE, TRUE, NULL))==NULL)
		return FALSE;
	memset(&m_osRead, 0, sizeof(OVERLAPPED));
	memset(&m_osWrite, 0, sizeof(OVERLAPPED));
	// 为重叠读创建事件对象，手工重置，初始化为无信号的
	if((m_osRead.hEvent=CreateEvent(NULL, TRUE, FALSE, NULL))==NULL)
		return FALSE;
	// 为重叠写创建事件对象，手工重置，初始化为无信号的
	if((m_osWrite.hEvent=CreateEvent(NULL, TRUE, FALSE, NULL))==NULL)
		return FALSE;
	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CRobotDoc serialization

void CRobotDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CRobotDoc diagnostics

#ifdef _DEBUG
void CRobotDoc::AssertValid() const
{
	CDocument::AssertValid();
}

void CRobotDoc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CRobotDoc commands

void CRobotDoc::OnSetupcomm() 
{
	// TODO: Add your command handler code here
	CSetupDlg dlg;
	CString str;
	dlg.m_bConnected=m_bConnected;
	dlg.m_sPort=m_sPort;
	str.Format("%d",m_nBaud);
	dlg.m_sBaud=str;
	str.Format("%d",m_nDataBits);
	dlg.m_sDataBits=str;
	dlg.m_nParity=m_nParity;
	dlg.m_nStopBits=m_nStopBits;
	//dlg.m_nFlowCtrl=m_nFlowCtrl;
	//dlg.m_bEcho=m_bEcho;
//	dlg.m_bNewLine=m_bNewLine;
	if(dlg.DoModal()==IDOK)
	{
		m_sPort=dlg.m_sPort;
		m_nBaud=atoi(dlg.m_sBaud);
		m_nDataBits=atoi(dlg.m_sDataBits);
		m_nParity=dlg.m_nParity;
		m_nStopBits=dlg.m_nStopBits;
	//	m_nFlowCtrl=dlg.m_nFlowCtrl;
	//	m_bEcho=dlg.m_bEcho;
	//	m_bNewLine=dlg.m_bNewLine;
		if(m_bConnected)
			if(!ConfigConnection())
				AfxMessageBox("Can't realize the settings!");
	}
}

void CRobotDoc::OnClosecomm() 
{
	// TODO: Add your command handler code here
	m_uCurrentBtn=ID_CLOSECOMM;
	CloseConnection();
}

void CRobotDoc::OnOpencomm() 
{
	// TODO: Add your command handler code here
	m_uCurrentBtn=ID_OPENCOMM;
	if(!OpenConnection())
		AfxMessageBox("Can't open connection");
}

void CRobotDoc::OnUpdateOpencomm(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	//pCmdUI->Enable(!m_bConnected);
		pCmdUI->SetRadio(pCmdUI->m_nID == m_uCurrentBtn);
}

void CRobotDoc::OnUpdateClosecomm(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
//	pCmdUI->Enable(m_bConnected);
	pCmdUI->SetRadio(pCmdUI->m_nID == m_uCurrentBtn);
}

void CRobotDoc::OnAnjianctrl() 
{
	// TODO: Add your command handler code here
	
}

void CRobotDoc::OnUpdateAnjianctrl(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	
}

void CRobotDoc::OnVoicectrl() 
{
	// TODO: Add your command handler code here
//	WinExec(NULL,NULL,_T("dutty.exe"),NULL,_T("D:\\Program Files\\Dutty\\Dutty.exe"),NULL);
	WinExec(_T("D:\\Program Files\\Dutty\\Dutty.exe"),SW_SHOW);
	m_bctrlmodal=TRUE;
	//STARTUPINFO stinfo;   //启动窗口的信息 
      //PROCESSINFO procinfo;  //进程的信息    
	   //CreateProcess(NULL,_T("dutty.exe"),NULL,NULL.FALSE, NORMAL_PRIORITY_ CLASS,NULL,NULL, &stinfo,&procinfo); 
}

void CRobotDoc::OnUpdateVoicectrl(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->Enable(!m_bctrlmodal);
}
UINT CommProc(LPVOID pParam)
{
	OVERLAPPED os;
	DWORD dwMask, dwTrans;
	COMSTAT ComStat;
	DWORD dwErrorFlags;
	CRobotDoc *pDoc=(CRobotDoc*)pParam;
	memset(&os, 0, sizeof(OVERLAPPED));
	os.hEvent=CreateEvent(NULL, TRUE, FALSE, NULL);
	if(os.hEvent==NULL)
	{
		AfxMessageBox("Can't create event object!");
		return (UINT)-1;
	}
	while(pDoc->m_bConnected)
	{
		ClearCommError(pDoc->m_hCom,&dwErrorFlags,&ComStat);
		if(ComStat.cbInQue)         //查询输入缓冲区中是否有字符 ,若有
		{
			// 等待WM_COMMNOTIFY消息被处理完
			WaitForSingleObject(pDoc->m_hPostMsgEvent, INFINITE);
			ResetEvent(pDoc->m_hPostMsgEvent);
			PostMessage(pDoc->m_hTermWnd, WM_COMMNOTIFY, EV_RXCHAR, 0);
			// 通知视图
			continue;
		}
		dwMask=0;
		if(!WaitCommEvent(pDoc->m_hCom, &dwMask, &os)) // 重叠操作
		{
			//通信事件
			if(GetLastError()==ERROR_IO_PENDING)
				// 无限等待重叠操作结果
				GetOverlappedResult(pDoc->m_hCom, &os, &dwTrans, TRUE);
			else
			{
				CloseHandle(os.hEvent);
				return (UINT)-1;
			}
		}
	}
	CloseHandle(os.hEvent);
	return 0;
}
BOOL CRobotDoc::OpenConnection()
{
	COMMTIMEOUTS TimeOuts;
	POSITION firstViewPos;
	CView *pView;
	firstViewPos=GetFirstViewPosition();
	pView=GetNextView(firstViewPos);
	m_hTermWnd=pView->GetSafeHwnd();
	if(m_bConnected)
		return FALSE;
	m_hCom=CreateFile(m_sPort, GENERIC_READ|GENERIC_WRITE,0,NULL,
		OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED, 
		NULL); // 重叠方式
	if(m_hCom==INVALID_HANDLE_VALUE)
		//AfxMessageBox("dfhksdjfhsjkfhks",MB_OK);
		return FALSE;
	SetupComm(m_hCom,1024,1024);
	SetCommMask(m_hCom, EV_RXCHAR);///////////////////!!!!!!!!!!!
	// 把间隔超时设为最大，把总超时设为0将导致ReadFile立即返回并完成操作
	TimeOuts.ReadIntervalTimeout=MAXDWORD; 
	TimeOuts.ReadTotalTimeoutMultiplier=0; 
	TimeOuts.ReadTotalTimeoutConstant=0; 
	/* 设置写超时以指定WriteComm成员函数中的
	GetOverlappedResult函数的等待时间*/
	TimeOuts.WriteTotalTimeoutMultiplier=50; 
	TimeOuts.WriteTotalTimeoutConstant=2000;
	SetCommTimeouts(m_hCom, &TimeOuts);
	if(ConfigConnection())
	{
		m_pThread=AfxBeginThread(CommProc, this, THREAD_PRIORITY_NORMAL, 
			0, CREATE_SUSPENDED, NULL); // 创建并挂起线程
		if(m_pThread==NULL)
		{
			CloseHandle(m_hCom);
			return FALSE;
		}
		else
		{
			m_bConnected=TRUE;
			m_pThread->ResumeThread(); // 恢复线程运行
		}
	}
	else
	{
		CloseHandle(m_hCom);
		return FALSE;
	}
	return TRUE;
}
void CRobotDoc::CloseConnection()
{
	if(!m_bConnected) return;
	m_bConnected=FALSE;
	//结束CommProc线程中WaitSingleObject函数的等待
	SetEvent(m_hPostMsgEvent); 
	//结束CommProc线程中WaitCommEvent的等待
	SetCommMask(m_hCom, 0); 
	//等待辅助线程终止
	WaitForSingleObject(m_pThread->m_hThread, INFINITE);
	m_pThread=NULL;
	CloseHandle(m_hCom);
}
BOOL CRobotDoc::ConfigConnection()///设置DCB
{
	DCB dcb;
	if(!GetCommState(m_hCom, &dcb))
		return FALSE;
	dcb.fBinary=TRUE;
	dcb.BaudRate=m_nBaud; // 波特率
	dcb.ByteSize=m_nDataBits; // 每字节位数
	dcb.fParity=TRUE;
	switch(m_nParity) // 校验设置
	{
	case 0: dcb.Parity=NOPARITY;
		break;
	case 1: dcb.Parity=EVENPARITY;
		break;
	case 2: dcb.Parity=ODDPARITY;
		break;
	default:;
	}
	switch(m_nStopBits) // 停止位
	{
	case 0: dcb.StopBits=ONESTOPBIT;
		break;
	case 1: dcb.StopBits=ONE5STOPBITS;
		break;
	case 2: dcb.StopBits=TWOSTOPBITS;
		break;
	default:;
	}
	// 硬件流控制设置
//	dcb.fOutxCtsFlow=m_nFlowCtrl==1;
//	dcb.fRtsControl=m_nFlowCtrl==1?RTS_CONTROL_HANDSHAKE:RTS_CONTROL_ENABLE;
	// XON/XOFF流控制设置
//	dcb.fInX=dcb.fOutX=m_nFlowCtrl==2;
//	dcb.XonChar=XON;
//	dcb.XoffChar=XOFF;
//	dcb.XonLim=50;
//	dcb.XoffLim=50;
	return SetCommState(m_hCom, &dcb);
}
DWORD CRobotDoc::ReadComm(unsigned char *buf,DWORD dwLength)
{
	DWORD length=0;
	COMSTAT ComStat;
	DWORD dwErrorFlags;
	ClearCommError(m_hCom,&dwErrorFlags,&ComStat); // 清除错误标志
	length=min(dwLength, ComStat.cbInQue);
	ReadFile(m_hCom,buf,length,&length,&m_osRead);// 将指定数量的字符从串行口输出
	return length;
}
// 将指定数量的字符从串行口输出
DWORD CRobotDoc::WriteComm(unsigned char *buf,DWORD dwLength)
{
	BOOL fState;
	DWORD length=dwLength;
	COMSTAT ComStat;
	DWORD dwErrorFlags;
	ClearCommError(m_hCom,&dwErrorFlags,&ComStat); // 清除错误标志
	fState=WriteFile(m_hCom,buf,length,&length,&m_osWrite);
	if(!fState){
		if(GetLastError()==ERROR_IO_PENDING)
		{
			GetOverlappedResult(m_hCom,&m_osWrite,&length,TRUE);// 等待
		}
		else
			length=0;
	}
	return length;
}
// 工作者线程，负责监视串行口

void CRobotDoc::OnHelp() 
{
	// TODO: Add your command handler code here
      //ShellExecute(NULL,NULL,_T("Jqrhelp.chm"),NULL,_T("e:\\机器人"),NULL);
}