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// laba1Dlg.cpp : implementation file

//

#include "stdafx.h"

#include "laba1.h"

#include "laba1Dlg.h"

#include "ComPort.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

/////////////////////////////////////////////////////////////////////////////

// CLaba1Dlg dialog

CLaba1Dlg::CLaba1Dlg(CWnd* pParent /*=NULL*/)

: CDialog(CLaba1Dlg::IDD, pParent)

{

//{{AFX_DATA_INIT(CLaba1Dlg)

m_Edit = _T("");

//}}AFX_DATA_INIT

// Note that LoadIcon does not require a subsequent DestroyIcon in Win32

m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}

void CLaba1Dlg::DoDataExchange(CDataExchange* pDX)

{

CDialog::DoDataExchange(pDX);

//{{AFX_DATA_MAP(CLaba1Dlg)

DDX_Text(pDX, IDC_EDIT1, m_Edit);

//}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CLaba1Dlg, CDialog)

//{{AFX_MSG_MAP(CLaba1Dlg)

ON_WM_PAINT()

ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDC_BUTTON1, OnButton1)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////

// CLaba1Dlg message handlers

BOOL CLaba1Dlg::OnInitDialog()

{

CDialog::OnInitDialog();

// Set the icon for this dialog. The framework does this automatically

// when the application's main window is not a dialog

SetIcon(m_hIcon, TRUE); // Set big icon

SetIcon(m_hIcon, FALSE); // Set small icon

// TODO: Add extra initialization here

return TRUE; // return TRUE unless you set the focus to a control

}

// If you add a minimize button to your dialog, you will need the code below

// to draw the icon. For MFC applications using the document/view model,

// this is automatically done for you by the framework.

void CLaba1Dlg::OnPaint()

{

if (IsIconic())

{

CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangle

int cxIcon = GetSystemMetrics(SM_CXICON);

int cyIcon = GetSystemMetrics(SM_CYICON);

CRect rect;

GetClientRect(&rect);

int x = (rect.Width() - cxIcon + 1) / 2;

int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon

dc.DrawIcon(x, y, m_hIcon);

}

else

{

CDialog::OnPaint();

}

}

// The system calls this to obtain the cursor to display while the user drags

// the minimized window.

HCURSOR CLaba1Dlg::OnQueryDragIcon()

{

return (HCURSOR) m_hIcon;

}

int CLaba1Dlg::WriteString(string Str)

{

PurgeComm(hPort,PURGE_TXCLEAR | PURGE_RXCLEAR);

Str = Str + "\r";

DWORD dwError , dwNumBytesWritten;

WriteFile(

hPort,

Str.c_str(),

Str.length(),

&dwNumBytesWritten,

NULL);

return (int)dwNumBytesWritten;

}

int CLaba1Dlg ::Open()

{

hPort = CreateFile(

ComPortName.c_str(),

GENERIC_READ | GENERIC_WRITE,

0,

NULL,

OPEN_EXISTING,

0,

NULL

);

if(hPort == INVALID_HANDLE_VALUE)

{

return 0;

}

DCB PortDCB;

PortDCB.DCBlength = sizeof(DCB);

GetCommState(hPort , &PortDCB);

PortDCB.BaudRate = 9600;

PortDCB.fBinary = true; //!

PortDCB.fParity = true;

PortDCB.fOutxCtsFlow = false;

PortDCB.fOutxDsrFlow = false;

PortDCB.fDtrControl = DTR_CONTROL_ENABLE;

PortDCB.fDsrSensitivity = false;

PortDCB.fTXContinueOnXoff = false;

PortDCB.fOutX = false;

PortDCB.fInX = false;

PortDCB.fErrorChar = true;

PortDCB.fNull = false;

PortDCB.fRtsControl = RTS_CONTROL_ENABLE;

PortDCB.fAbortOnError = false;

PortDCB.ByteSize = 8;

PortDCB.Parity = NOPARITY;

PortDCB.StopBits = ONESTOPBIT;

// PortDCB.EofChar = '!';

if(!SetCommState(hPort , &PortDCB))

{

return 0;

// ShowMessage("Unable to configure the serial port");

}

COMMTIMEOUTS CommTimeouts;

GetCommTimeouts(hPort,&CommTimeouts);

CommTimeouts.ReadIntervalTimeout = 50;

CommTimeouts.ReadTotalTimeoutMultiplier = 1;

CommTimeouts.ReadTotalTimeoutConstant = 50;

CommTimeouts.WriteTotalTimeoutMultiplier = 1;

CommTimeouts.WriteTotalTimeoutConstant = 50;

SetCommTimeouts(hPort,&CommTimeouts);

FlushFileBuffers(hPort);

Opened = true;

return 1;

}

int CLaba1Dlg ::Close()

{

if(Opened)

{

CloseHandle(hPort);

Opened = false;

return 1;

}

else

return 0;

}

void CLaba1Dlg::OnButton1()

{

// TODO: Add your control notification handler code here

Open();

WriteString(m_Edit.LoadString);

Close();

}