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// H7 ServerDlg.cpp : implementation file
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//
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#include "stdafx.h"
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#include "H7 Server.h"
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#include "H7 ServerDlg.h"
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#include ".\h7 serverdlg.h"
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#include <vector>
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#endif
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void WriteLastError(char *format)
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{
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LPVOID lpMsgBuf;
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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printf(format, lpMsgBuf);
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CString Tmp;
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Tmp.Format( "%s", lpMsgBuf);
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MessageBox(0,Tmp,"",MB_OK);
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}
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std::vector<CString> GetAvailableComPorts()
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{
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std::vector<CString> ports;
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for (int i = 1; i < 20; i++)
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{
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CString port;
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port.Format("COM%d", i);
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HANDLE handle = CreateFile(port,
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GENERIC_READ | GENERIC_WRITE,
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0,
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0,
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OPEN_EXISTING,
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0,
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NULL);
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if (handle != INVALID_HANDLE_VALUE)
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{
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CloseHandle(handle);
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ports.push_back(port);
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}
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}
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return ports;
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}
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// CAboutDlg dialog used for App About
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class CAboutDlg : public CDialog
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{
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public:
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CAboutDlg();
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// Dialog Data
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enum { IDD = IDD_ABOUTBOX };
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protected:
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virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
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// Implementation
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protected:
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DECLARE_MESSAGE_MAP()
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};
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CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
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{
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}
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void CAboutDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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}
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BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
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END_MESSAGE_MAP()
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// CH7ServerDlg dialog
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CH7ServerDlg::CH7ServerDlg(CWnd* pParent /*=NULL*/)
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: CDialog(CH7ServerDlg::IDD, pParent)
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, m_Start(0)
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{
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m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
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}
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void CH7ServerDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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DDX_Control(pDX, IDC_STATUS, m_Status);
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DDX_Control(pDX, IDC_BaudRate, m_BaudRate);
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DDX_Control(pDX, IDC_SERIAL, m_Serial);
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DDX_Control(pDX, IDC_STOP, m_Stop);
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DDX_Control(pDX, IDC_PORT, m_Port);
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DDX_Control(pDX, IDC_RESTART, m_Restart);
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}
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BEGIN_MESSAGE_MAP(CH7ServerDlg, CDialog)
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ON_WM_SYSCOMMAND()
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ON_WM_PAINT()
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ON_WM_QUERYDRAGICON()
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//}}AFX_MSG_MAP
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ON_BN_CLICKED(IDC_Start, OnBnClickedStart)
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ON_BN_CLICKED(IDC_TEST, OnBnClickedTest)
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ON_BN_CLICKED(IDC_RESTART, OnBnClickedRestart)
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END_MESSAGE_MAP()
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// CH7ServerDlg message handlers
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BOOL CH7ServerDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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// Add "About..." menu item to system menu.
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// IDM_ABOUTBOX must be in the system command range.
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ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
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ASSERT(IDM_ABOUTBOX < 0xF000);
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CMenu* pSysMenu = GetSystemMenu(FALSE);
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if (pSysMenu != NULL)
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{
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CString strAboutMenu;
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strAboutMenu.LoadString(IDS_ABOUTBOX);
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if (!strAboutMenu.IsEmpty())
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{
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pSysMenu->AppendMenu(MF_SEPARATOR);
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pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
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}
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}
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// Set the icon for this dialog. The framework does this automatically
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// when the application's main window is not a dialog
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SetIcon(m_hIcon, TRUE); // Set big icon
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SetIcon(m_hIcon, FALSE); // Set small icon
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/**********************************************************************/
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// TODO: Add extra initialization here
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// if there is no free com ports, the program shut down.
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if (!ServerInit() )
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{
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OnOK();
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return false;
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}
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/**********************************************************************/
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return TRUE; // return TRUE unless you set the focus to a control
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}
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void CH7ServerDlg::OnSysCommand(UINT nID, LPARAM lParam)
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{
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if ((nID & 0xFFF0) == IDM_ABOUTBOX)
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{
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CAboutDlg dlgAbout;
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dlgAbout.DoModal();
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}
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else
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{
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CDialog::OnSysCommand(nID, lParam);
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}
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}
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// If you add a minimize button to your dialog, you will need the code below
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// to draw the icon. For MFC applications using the document/view model,
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// this is automatically done for you by the framework.
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void CH7ServerDlg::OnPaint()
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{
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if (IsIconic())
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{
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CPaintDC dc(this); // device context for painting
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SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
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// Center icon in client rectangle
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int cxIcon = GetSystemMetrics(SM_CXICON);
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int cyIcon = GetSystemMetrics(SM_CYICON);
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CRect rect;
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GetClientRect(&rect);
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int x = (rect.Width() - cxIcon + 1) / 2;
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int y = (rect.Height() - cyIcon + 1) / 2;
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// Draw the icon
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dc.DrawIcon(x, y, m_hIcon);
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}
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else
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{
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CDialog::OnPaint();
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}
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}
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// The system calls this function to obtain the cursor to display while the user drags
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// the minimized window.
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HCURSOR CH7ServerDlg::OnQueryDragIcon()
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{
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return static_cast<HCURSOR>(m_hIcon);
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}
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void CH7ServerDlg::OnBnClickedStart()
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{
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// Add's user defined Baud-Rate to regedit before the server start.
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CRegKey reg;
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CString Baud;
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m_BaudRate.GetWindowText(Baud);
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.SetDWORDValue("BaudRate", atoi(Baud) );
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StartTcp();
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StartSerial();
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}
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int CH7ServerDlg::StartTcp(void)
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{
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// Get the TCP Port number from regedit.
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unsigned long Port;
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CRegKey reg;
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.QueryDWORDValue("Port", Port);
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reg.Close();
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// Restats the TCP Connection
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TcpServer.Close();
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TcpServer.Create(Port);
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TcpServer.Listen();
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// Prints TCP Port number to the status box.
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CString tmp;
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tmp.Format("%d", Port);
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m_Port.SetWindowText(tmp);
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return 0;
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}
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void CH7ServerDlg::OnBnClickedRestart()
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{
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CWaitCursor wait; // Musen viser timeglas.
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CString Port;
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m_Port.GetWindowText(Port);
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CRegKey reg;
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.SetDWORDValue("Port", atoi(Port) );
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CString tmp;
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m_Serial.GetWindowText(tmp);
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reg.SetStringValue("Serial",tmp);
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reg.Close();
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StartTcp();
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}
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void CH7ServerDlg::OnBnClickedTest()
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{
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}
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bool CH7ServerDlg::ServerInit(void)
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{
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unsigned int i;
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CRegKey reg;
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// Sets values in baud-rate combo box
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m_BaudRate.AddString("1200");
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m_BaudRate.AddString("2400");
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m_BaudRate.AddString("4800"); // Don't work, used for error test.
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m_BaudRate.AddString("9600");
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m_BaudRate.AddString("19200");
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unsigned long Baud;
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CString GetBaud;
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.QueryDWORDValue("BaudRate", Baud);
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switch (Baud)
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{
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case 1200:
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m_BaudRate.SetCurSel(0);
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break;
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case 2400:
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m_BaudRate.SetCurSel(1);
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break;
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case 4800:
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m_BaudRate.SetCurSel(2);
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break;
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case 9600:
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m_BaudRate.SetCurSel(3);
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break;
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case 19200:
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m_BaudRate.SetCurSel(4);
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break;
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default:
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m_BaudRate.SetCurSel(3);
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break;
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}
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m_BaudRate.GetWindowText(GetBaud);
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reg.SetDWORDValue("BaudRate", atoi(GetBaud) );
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// Checks how many COM ports there are.
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std::vector<CString> Serial = GetAvailableComPorts();
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for (i=0; i<Serial.size(); i++)
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m_Serial.AddString(Serial[i]);
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// Load saved settings from regedit.
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unsigned long Port;
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unsigned long BaudRate;
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// Used to format the loaded values.
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CString TPort;
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CString TBaudRate;
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.QueryDWORDValue("Port", Port);
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reg.QueryDWORDValue("BaudRate", BaudRate);
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char LoadCom[20];
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unsigned long size = 20;
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reg.QueryStringValue("Serial", LoadCom, &size);
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TPort.Format("%d", Port);
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TBaudRate.Format("%d", BaudRate);
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m_Port.SetWindowText(TPort);
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m_BaudRate.SetWindowText(TBaudRate);
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m_Serial.SetWindowText(LoadCom);
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if( Serial.size() == 0 ){
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MessageBox( "No (free) serial port's found" );
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return false;
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}
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// Checks for valid COM port in regedit.
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for (i=0; i< Serial.size() ; i++)
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{
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if (LoadCom == Serial[i])
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{
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m_Serial.SetCurSel(i);
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break;
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}
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}
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if (i == Serial.size() )
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{
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m_Serial.SetCurSel(0);
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reg.SetStringValue("Serial", Serial[0]);
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}
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reg.Close();
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return true;
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}
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int CH7ServerDlg::StartSerial(void)
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{
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char SerialPort[6];
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unsigned long size = 6;
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unsigned long Baud;
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CRegKey reg;
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reg.Create(HKEY_LOCAL_MACHINE, "SOFTWARE\\Projekt\\Server");
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reg.QueryStringValue("Serial", SerialPort, &size);
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reg.QueryDWORDValue("BaudRate", Baud);
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HANDLE hComPort;
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hComPort = CreateFile( "COM1",
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GENERIC_READ | GENERIC_WRITE,
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0,
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0,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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0
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);
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// Error check.
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if( hComPort == INVALID_HANDLE_VALUE ){
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WriteLastError("Fail\n%s\n");
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return 1;
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}
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DCB dcb, dcb_restore;
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// DCB structure for com port setup
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dcb.DCBlength = sizeof(DCB);
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dcb_restore.DCBlength = sizeof(DCB);
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// Error check.
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if( (!GetCommState(hComPort, &dcb)) ||
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(!GetCommState(hComPort, &dcb_restore)) ){
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WriteLastError("Fail\n%s\n");
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return 2;
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}
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// Init com port setup
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dcb.BaudRate = Baud;
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dcb.ByteSize = 8;
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dcb.Parity = NOPARITY;
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dcb.StopBits = ONESTOPBIT;
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dcb.fDtrControl = DTR_CONTROL_DISABLE;
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dcb.fRtsControl = RTS_CONTROL_DISABLE;
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dcb.fParity = FALSE;
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dcb.fDsrSensitivity = FALSE;
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if( !SetCommState(hComPort,&dcb) ){
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WriteLastError("Fail\n%s\n");
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return 3;
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}
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// ready to send stuff...
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unsigned char receive;
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unsigned long rSize;
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CString Tmp;
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ReadFile(hComPort,&receive,1,&rSize,0);
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if( rSize != 1 ){
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MessageBox( "Error when trying to receive date from serial port" );
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return false;
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}
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Tmp.Format( "%s", &receive );
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m_Status.SetWindowText(Tmp);
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if( !SetCommState( hComPort, &dcb_restore ) ){
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WriteLastError("Fail\n%s\n");
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return 4;
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}
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return 0;
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}
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