Windows CE for >

 

Windows CE for <<RAS 拨号编程>>
#include "stdafx.h"
#include "ras.h"

HANDLE hPort = INVALID_HANDLE_VALUE;
HRASCONN hRasConn = NULL;
BOOL CreatePort()
{
    DWORD dwNumBytesWritten;
    BOOL fRet;
    BYTE Bytes[]={'A','T','+','C','G','D','C','O','N','T','=','1',',','"','I','P','"',',',                                     '"','C','M','N','E','T','"',0x0D,'A','T','D','T','*','9','9','#',0x0D};
    //open the serial port
    hPort = CreateFile(TEXT("COM8:"),GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);

    if ( hPort == INVALID_HANDLE_VALUE )
    {
        // Could not open the port.
        //printf("Open the serial port failed/n/r");
        return FALSE;
    }
    //BYTE Bytes[]={'A','T',0x0D};
    //DWORD CgdcontSize = sizeof(Cgdcont);
    DWORD BytesSize = sizeof(Bytes);
    //fRet = WriteFile(hPort,Cgdcont,CgdcontSize, &dwNumBytesWritten,NULL);
    fRet = WriteFile(hPort,Bytes,BytesSize, &dwNumBytesWritten,NULL);
    fRet = ReadFile(hPort,Bytes,4,&dwNumBytesWritten,NULL);
    if(fRet)
    {
        //printf("open the serial port successful /n/r");
        CloseHandle(hPort);
    }
    else
    {
        //close the serial port
        CloseHandle(hPort);
        //printf("Close serial port successful/n/r");
    }

    return TRUE;

}

LRESULT CALLBACK WndProc (HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
{
    RASCONNSTATE RasState = (RASCONNSTATE)wParam;
    switch(Msg)
    {
    case WM_RASDIALEVENT:
        switch(RasState)
        {
        case RASCS_OpenPort:
            printf("正在打开端口/n/r");
            break;
        case RASCS_PortOpened:
            printf("端口已经打开/n/r");
            break;
        case RASCS_ConnectDevice:
            printf("正在连接设备/n/r");
            break;
        case RASCS_Connected:
            //int i;
            //printf("已连接/n/r");
            //scanf("%d",i);
            //if(i==1)
            //{
            // RasHangUp(hRasConn);
            //}
            break;
        case RASCS_Disconnected:
            printf("连接已断开/n/r");
            break;
        default:
            printf("未知/n/r");
            break;
        }
        break;
    default:
        return DefWindowProc(hWnd, Msg, wParam, lParam);
    }
    return TRUE;
}

int WINAPI WinMain( HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPTSTR    lpCmdLine,
                   int       nCmdShow)
{
    // TODO: Place code here.
    HWND hwnd;
    MSG msg;
    WNDCLASS wc;
    wc.style = 0;
    wc.lpfnWndProc = (WNDPROC)WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInstance;
    wc.hIcon = 0;
    wc.hCursor = 0;
    wc.hbrBackground = NULL;
    wc.lpszMenuName = 0;
    wc.lpszClassName = _T("embo");

    RegisterClass(&wc);

    hwnd = CreateWindow(_T("embo"),_T("EmboConnection"),0,0,0,0,0,NULL,NULL,hInstance,NULL);

    ShowWindow(hwnd,0);

    CreatePort();

    RASDIALPARAMS rdParams;//拨号参数

    //初始化拨号参数
    rdParams.dwSize=sizeof(RASDIALPARAMSW);
    wcscpy(rdParams.szEntryName,_T("Embo Connection"));
    wcscpy(rdParams.szPhoneNumber,_T(""));
    wcscpy(rdParams.szCallbackNumber,_T(""));
    wcscpy(rdParams.szUserName,_T(""));
    wcscpy(rdParams.szPassword,_T(""));
    wcscpy(rdParams.szDomain,_T(""));
    DWORD dwRet;
    //拨号连接
    //printf("connecting  /n/r");
    dwRet = RasDial(NULL,NULL,&rdParams,0xFFFFFFFF,hwnd ,&hRasConn);

    if(dwRet != 0)//connection successful
    {
        RasHangUp(hRasConn);
    }

 

    while ( GetMessage(&msg, NULL, 0, 0) != FALSE )
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return 0;
}