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Design of Vehicle Multimedia System and Implementation of Image Control and Communication Control

Author: MaKun
Tutor: LiangYanChun
School: Jilin University
Course: Software Engineering
Keywords: Multimedia Platform RTOS Image Control Communication control module
CLC: TP311.52
Type: Master's thesis
Year: 2011
Downloads: 56
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Abstract


With the rapid development of the automotive industry, electronic industry and the growth of the world economy, the increasing penetration of car. With the improvement of the quality of life requirements at the same time, car manufacturers started to develop automotive electronics equipment and continuous development and improvement with the development of the times. With the rise and development of the performance of the car, the driving environment requirements, in order to provide a more comfortable driving environment and provide driving services, car multimedia system born out. As part of the vehicle electronic equipment, car multimedia system integrates multiple functions of the audio-visual entertainment, communication and navigation, auxiliary driving a car multimedia system and provide universal extension interface for connecting other devices may provide more functionality for the driver services, creating a good driving environment. Car multimedia systems using the most advanced data media technology involved in digital signal processing, image signal processing, digital sound synthesis technology with good reliability and portability. In this thesis, car multimedia system software system design and image control module and communication control module software program design and implementation. The design of the software system is the core of the entire software design directly affect the use of the entire product performance, quality and ease of use. The combination of project development, the paper proposes a complete software system architecture, the definition of standardized interfaces between modular and hierarchical structure divided and modules of the entire software system. The entire software platform currently used generic RTOS-based real-time operating system, software product has good scalability and portability. Image control function is a very important part of the in-vehicle multimedia systems, the rapid development of science and technology today, the major manufacturers offer a variety of multimedia devices such as TV, NAVI, DVD, IPOD to provide users with a variety of images and video content , the output video signal of these different products from different lines enter the product. Image control module design and implementation of a management control command receiving and processing, the control data of the image control chip made and sent. The system has an image channel switching function, image screen effect adjustment function, screen attribute setting functions to provide users with a good visual enjoyment. The communication control module of the seven-layer communications protocol architecture simplifies design and implementation of the communication control module in the control layer, the application layer and the driver layer to a communication data package, sending, receiving and parsing the standard communication protocol of the car multimedia system . So that the user can use not only the system itself comes with a variety of equipment and other equipment and functions of the other car multimedia system can be used through a standard communication protocol, car multimedia system features extended.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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