The GSM Combined Set Software Development

With the rapid development of software and hardware basic platform and wireless environment, in future, combined set application software will have the certain imagination space. Under such background, with the advancement of software reusable technology, reusable application framework is becoming more and more important. Application framework will contribute to the implementation of reusable domain architecture, which will be the kernel of a software system. At present, in the development of the embedded software, we usually develop particular application software. Even though the programs have many same codes, we must do repetition work. By the development pattern, we can only write codes that have the low modular degree, and it has low transplantation probability. And the codes are imperfect and unreliable. As a important component of embedded application software that has the transplantation probability, the state machine engine was born.Firstly, in the paper I introduce present condition of the combined set application software and the development pattern of the combined set. Secondly I discuss the work principle of the combined set software including running condition on the basic platform of the hardware and so on. Thirdly the paper discusses the components of the combined set application software, and then introduces the development pattern of the MMI software of the combined set. Through studying the development pattern of the combined set software, I decide to design the application software's framework based on model based on HSM model and the state machine engine technology. Next, this paper studies the hierarchic architecture of software development in embedded system based on HSM. And we will given an implementation of a valuable reusable application framework by the state machine engine technology. That has certain value in the field of the combined set application software.In the last, the paper point out the future way about the application framework.