Ejemplo n.º 1
0
static int ChannelLock()
{
    Dword dwFrequency = 0;
    Word  wBandwidth = 0;
    Dword dwStatus = 0;
    Bool boolIsLock = 0;
    int res;

    printf("\n=> Please Input Frequency (KHz): ");
    res = scanf("%lu", &dwFrequency);
    gFreq = dwFrequency;

    printf("\n=> Please Choose Bandwidth (0:8MHz  1:7MHz  2:6MHz): ");
    res = scanf("%d",&gChoseBand);

    if (gChoseBand == 0)
        wBandwidth = 8;
    else if (gChoseBand == 1)
        wBandwidth = 7;
    else
        wBandwidth = 6;

    printf("\n\n**************** Lock Status ****************");
    printf("\nFrequency = %lu KHz\n", dwFrequency);
    printf("Bandwidth = %i MHz\n\n", wBandwidth);

    dwStatus = DTV_AcquireChannel(dwFrequency, wBandwidth);
    if (dwStatus)
        printf("DTV_AcquireChannel() return error!\n");

    dwStatus = DTV_DisablePIDTbl();
    if (dwStatus)
        printf("DTV_DisablePIDTbl() return error!\n");

    dwStatus = DTV_IsLocked((Bool *)&boolIsLock);
    if (dwStatus)
        printf("DTV_IsLocked() return error!\n");

    if (boolIsLock)
        printf("*** Channel Locked ***\n");
    else
        printf("*** Channel Unlocked ***\n");

    return 0;
}
Ejemplo n.º 2
0
//==================================================================================================
static int ChannelLock(options_t *options)
{
    Dword dwFrequency = 0;
    Word  wBandwidth = 0;
    Dword dwStatus = 0;
    Bool boolIsLock = 0;
    int res;

    dwFrequency = options->frequency;
    gFreq = options->frequency;
    gChoseBand = options->bandwidth;

    fprintf(stderr, "\n");

    if(gChoseBand>=2000 && gChoseBand<3000) wBandwidth = 2;
    else if(gChoseBand>=3000 && gChoseBand<4000) wBandwidth = 3;
    else if(gChoseBand>=4000 && gChoseBand<5000) wBandwidth = 4;
    else if(gChoseBand>=5000 && gChoseBand<6000) wBandwidth = 5;
    else if(gChoseBand>=6000 && gChoseBand<7000) wBandwidth = 6;
    else if(gChoseBand>=7000 && gChoseBand<8000) wBandwidth = 7;
    else if(gChoseBand>=8000 && gChoseBand<9000) wBandwidth = 8;
    else 
    {
        fprintf(stderr, "No Supported Bandwidth!\n"); 
        return ERR_INVALID_BW;
    }

    fprintf(stderr, "Trying to lock:\n");
    fprintf(stderr, "Frequency ...: %lu KHz\n", dwFrequency);
    fprintf(stderr, "Bandwidth ...: %i MHz\n\n", wBandwidth);

    dwStatus = DTV_AcquireChannel(dwFrequency, wBandwidth);
    
    if (dwStatus)
    {
        fprintf(stderr, "DTV_AcquireChannel() returned error %s (%lx)\n", DTV_Error(dwStatus), dwStatus);
    }

    dwStatus = DTV_DisablePIDTbl();
    
    if (dwStatus)
    {
        fprintf(stderr, "DTV_DisablePIDTbl() returned error %s (%lx)\n", DTV_Error(dwStatus), dwStatus);
    }

    dwStatus = DTV_IsLocked((Bool *)&boolIsLock);
    
    if (dwStatus)
    {
        fprintf(stderr, "DTV_IsLocked() returned error %s (%lx)\n", DTV_Error(dwStatus), dwStatus);
    }

    if (boolIsLock)
    {
        fprintf(stderr, "*** Channel Locked ***\n");
    }
    else
    {
        fprintf(stderr, "*** Channel Unlocked ***\n");
    }

    return 0;
}