Design and implementation of menu middleware for embedded system

The term of middleware and menu middleware are introduced summarily first. During the describing system designing, the designing thought of the interface of the cluster of menu buttons, bars, and items are introduced. Meanwhile, interface functions are given to the users. After that, the key technology of designing realization is introduced particularly: the founding of link list and the delivering of message-responding. Based on an example of the code in programming, the process to set up doubly linked list is described in details as well as the transmitting process between messages.