enum class XFrontPanelButton : uint32_t  
{  
    None = 0x0,  
    Button1 = 0x1,  
    Button2 = 0x2,  
    Button3 = 0x4,  
    Button4 = 0x8,  
    Button5 = 0x10,  
    DPadLeft = 0x20,  
    DPadRight = 0x40,  
    DPadUp = 0x80,  
    DPadDown = 0x100,  
    DPadSelect = 0x200,  
}