基于嵌入式系統(tǒng)的汽車行駛記錄儀的研究與設計
[Abstract]:As an electronic instrument which can monitor and record the driving state of the vehicle, the vehicle driving recorder can regulate the driver's driving behavior, thus effectively reduce the occurrence of traffic accidents. This design chooses the embedded system as the development system of the vehicle traveling recorder. The embedded system has been widely used in the fields of production, industrial control, national defense, communication, automobile electronics and so on, because it has the characteristics of software, hardware tailoring, complete function, high reliability, low cost, small volume and low power consumption. The vehicle traveling recorder designed in this paper is a new electronic device based on embedded system. The embedded processor is made by SAMSANG Company. The S3C2440A.S3C2440A has abundant peripheral and I / O ports, powerful function and high integration. Features of low power consumption. The operating system used in this design is Linux system, and Linux system is open source operating system following GPL protocol. In this paper, the system design and development of vehicle traveling recorder are discussed in detail from two aspects of hardware and software. In the aspect of hardware, the overall structure of the system is introduced, and then the selection and demonstration of each functional module are discussed. Finally, the circuit design of GPS,GPRS, data acquisition and storage module is completed. In the aspect of software, the establishment of host development environment is realized, including the installation of Linux system on PC and the establishment of arm-linux cross-compiling environment. Secondly, the establishment process of embedded Linux system on target computer is introduced in detail, and the transplanting of Bootloader and Linux-2.6 kernel in target board is completed. Finally, the development of the system software is completed, including the writing of the bottom driver and the upper application program, and the passing of the system test.
【學位授予單位】:暨南大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:TP368.1;TP216.2
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