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Research and Design of Car Audio Display System Based on RTOS Platform

Author: FengYangZhong
Tutor: YangBin
School: Dalian University of Technology
Course: Control Engineering
Keywords: Embedded Car Audio RTOS Display system
CLC: TN873
Type: Master's thesis
Year: 2011
Downloads: 15
Quote: 0
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Abstract


Car audio as a modern integrated multimedia automotive electronic systems more and more loved by the majority of owners . First car audio only simple radio, and now it has become multi-functional , can predict the future of the car stereo will be intelligent direction . On the basis of the traditional car audio , car audio study adds many features , such as the new USB / BT / IPOD / IPHONE media player , CAN bus , car phone , DIAG , communications and navigation , driver assistance functions . Embedded car audio system key technologies , design car audio CPU Renesas (Renesas) 32-bit high performance microcontroller , the microcontroller equipped SH2A-FPU core , running embedded RTOS platforms . The microcontroller has a variety of interface functions , can meet the design requirements of the system . The development of language is the the the Renesas M16C/62 Series MCU C language , it is an embedded C language for embedded software development . This article details the design and realization of the car stereo display system . The display system is a very important part of car audio , it plays the role of the dynamic data information to the user of the underlying function module . In a display system during the design process , first , the design of the entire display system , and the display module is divided into four parts : DMM , Graphic , VFD Driver Dimmer portion , establishing the display module and the SMM module , POWER module and interactive relationship between the other modules to complete the normal screen display , improve system scalability and portability . Secondly , for the display screen often flicker problem , the paper focuses on the the screen dynamic real-time refresh technology , to ensure that the screen flicker free display , the display screen to switch between natural . Finally, in order to ensure that the display does not garbled , the papers focus on display font design and text encoding format conversion technology .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Terminal equipment > Display device,the display
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