void nuContReadFuncSet(NUContReadFunc func)
func Callback function
Registers the function that will be executed when Controller data has been read
Registers the callback function to execute when Controller data has been read at retrace time. In the default, no function is registered. To remove the registered function, use the nuContReadFuncRemove function. The callback function registered with this function is executed from a high-priority Controller Manager thread, so please only use it when absolutely necessary.