71 Chapter 4
DeviceIoControl(hDev, ADV_IOCTL_TURN_OFF_LED1, NULL,
0, NULL, 0, NULL, NULL);
}
if( dwGot & 0x02 )
{
DeviceIoControl(hDev, ADV_IOCTL_TURN_ON_LED2, NULL,
0, NULL, 0, NULL, NULL);
}
else
{
DeviceIoControl(hDev, ADV_IOCTL_TURN_OFF_LED2, NULL,
0, NULL, 0, NULL, NULL);
}
Sleep(1000);
}
CloseHandle(hDev);
