| As an instrument for monitoring and recording the running state of the vehicle,the recorder plays an important role in restricting the driver's driving behavior and ensuring the safety of the road.At the same time as evidence after the accident can help deal with taffic accidents.The system uses embedded Linux system as the development system,with the Android program to achieve the function of intelligent traffic recorder,so as to realize the purpose of video surveillance and intelligent operation.The recorder can be divided into three parts,such as video information collection,system operation interface and mobile application control terminal.This paper first analyses the background of the car driving recorder,and then put forward the basic needs,determine the system design requirements and to achieve,then designed the overall plan,and according to the selected S5PV210 processor Samsung Corp's actual requirements,the core design of the system hardware and software architecture to the processor.The center circuit and peripheral circuit design and S5PV210 as the main chip,the power supply circuit,communication circuit,memory circuit design is analyzed in detail,and the selection of the camera module,GPS module and USB Wi-Fi.And then began to build embedded Linux development platform,the U-Boot kernel transplantation and root file system to build several aspects step by step to achieve the transplantation of Android operating system,which will drive the GPS module configuration,camera module and USB WiFi module to realize the video,GPS navigation,WiFi network.Finally,the development of Android mobile operating system is described in detail.The first is the analysis of the requirements,and then make functional design,from the interface to the functional modules to achieve the principle of the level of analysis,and show the specific implementation of the interface.the subject has been completed,and have some practical role in the development of Android application and the recorder. |
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