Function name:mfsSetLeoBusyFunc ────────────────────────────────────── Format: void mfsSetLeoBusyFunc(void (*func)(void)) Arguments: func Callback function Return value: None Function: Registers PI control function (before using PI) Description: This function registers a callback function that is to be called within MFS before an asynchronous Leo function is called. The callback function registered by this function mainly includes PI exclusive control code.