Ïðîãðàììà CDINFO - ÷àñòü 6

// GetTrackInfo

// Ïîëó÷åíèå èíôîðìàöèè î äîðîæêå êîìïàêò-äèñêà

// ---------------------------------------------------

int GetTrackInfo(int iTrack, int nCDUnit)

{

  IOCTL_Input cmd;

 

  memset(&cmd, 0, sizeof(IOCTL_Input ));

 

  cmd.rh.bSize    = 26;

  cmd.rh.bSubUnit = 0;

  cmd.rh.bCmd     = 3;

 

  cmd.bMediaDescriptor  = 0;

  cmd.lpTransferAddress = (DWORD)(void far *)&ti;

  cmd.wDataSize         = 7;

  cmd.wStartSector      = 0;

  cmd.lpVolID           = (DWORD)(void far *)NULL;

 

  ti.bControl = 11;

  ti.bTrack = iTrack;

 

  CallCDDriver(&cmd, nCDUnit);

 

  return cmd.rh.wStatus;

} 

// ---------------------------------------------------

// GetDeviceStatus

// Îïðåäåëåíèå ñîñòîÿíèÿ óñòðîéñòâà ÷òåíèÿ CD-ROM

// ---------------------------------------------------

int GetDeviceStatus(int nCDUnit)

{

  IOCTL_Input cmd;

 

  memset(&cmd, 0, sizeof(IOCTL_Input ));

 

  cmd.rh.bSize    = 26;

  cmd.rh.bSubUnit = 0;

  cmd.rh.bCmd     = 3;

 

  cmd.bMediaDescriptor  = 0;

  cmd.lpTransferAddress = (DWORD)(void far *)&ds;

  cmd.wDataSize         = 5;

  cmd.wStartSector      = 0;

  cmd.lpVolID           = (DWORD)(void far *)NULL;

 

  ds.bControl = 6;

 

  CallCDDriver(&cmd, nCDUnit);

  return cmd.rh.wStatus;

} 

// ---------------------------------------------------

// GetVolumeSize

// Îïðåäåëåíèå îáúåìà êîìïàêò-äèñêà

// ---------------------------------------------------

int GetVolumeSize(int nCDUnit)

{

  IOCTL_Input cmd;

 

  memset(&cmd, 0, sizeof(IOCTL_Input ));

 

  cmd.rh.bSize    = 26;

  cmd.rh.bSubUnit = 0;

  cmd.rh.bCmd     = 3;

 

  cmd.bMediaDescriptor  = 0;

  cmd.lpTransferAddress = (DWORD)(void far *)&vs;

  cmd.wDataSize         = 5;

  cmd.wStartSector      = 0;

  cmd.lpVolID           = (DWORD)(void far *)NULL;

 

  vs.bControl = 8;

 

  CallCDDriver(&cmd, nCDUnit);

  return cmd.rh.wStatus;

} 

// ---------------------------------------------------

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