• Title/Summary/Keyword: Driver interface

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A Study on Driver-vehicle Interface for Cooperative Driving (협력운전을 위한 운전자-차량 인터페이스 연구)

  • Yang, In-Beom
    • Journal of Convergence for Information Technology
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    • v.9 no.5
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    • pp.27-33
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    • 2019
  • Various technical and societal approaches are being made to realize the auto driving (AD) and cooperative driving (CD) including communication network and extended advanced driver support system is under development. In CD, it is important to share the roles of the driver and the system and to secure the stability of the driving, so a efficient interface scheme between the driver and the vehicle is required. This study proposes a research model including driver, system and driving environment considering the role and function of driver and system in CD. An efficient interface between the driver and the vehicle to cope with various driving situations on the CD using the analysis of the driving environment and the research model is also proposed. Through this study, it is expected that the proposed research model and interface scheme could contribute to CD system design, cockpit module development and interface device development.

Design of an Integrated Interface Circuit and Device Driver Generation System (인터페이스 회로와 디바이스 드라이버 통합 자동생성 시스템 설계)

  • Hwang, Sun-Young;Kim, Hyoun-Chul;Lee, Ser-Hoon
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.32 no.6B
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    • pp.325-333
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    • 2007
  • An OS requires the device driver to control hardware IPs at application level. Development of a device driver requires specific acknowledge for target hardware and OS. In this paper, we present a system which generates a device driver together with an interface circuit. In the proposed system, an efficient device driver is generated by selecting a basic device driver skeleton, a function module code, and a header file table from the pre-constructed library and an interface circuit is constructed such that the generated device driver operates correctly. The proposed system is evaluated by generating a TFT-LCD device driver on the ARM922T core with 3.5 inch Samsung TFT-LCD in ARM-Linux environment. Experiment result shows that the writing time on the LCD is decreased by 1.12% and the compiled code size is increased by 0.17% compared to the manually generated one. The automatically generated device driver has no performance degradation in the latency of hardware control at the application program level. The system development time can be reduced using the proposed device driver generation system.

Multimodal Interface Based on Novel HMI UI/UX for In-Vehicle Infotainment System

  • Kim, Jinwoo;Ryu, Jae Hong;Han, Tae Man
    • ETRI Journal
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    • v.37 no.4
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    • pp.793-803
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    • 2015
  • We propose a novel HMI UI/UX for an in-vehicle infotainment system. Our proposed HMI UI comprises multimodal interfaces that allow a driver to safely and intuitively manipulate an infotainment system while driving. Our analysis of a touchscreen interface-based HMI UI/UX reveals that a driver's use of such an interface while driving can cause the driver to be seriously distracted. Our proposed HMI UI/UX is a novel manipulation mechanism for a vehicle infotainment service. It consists of several interfaces that incorporate a variety of modalities, such as speech recognition, a manipulating device, and hand gesture recognition. In addition, we provide an HMI UI framework designed to be manipulated using a simple method based on four directions and one selection motion. Extensive quantitative and qualitative in-vehicle experiments demonstrate that the proposed HMI UI/UX is an efficient mechanism through which to manipulate an infotainment system while driving.

A Study on I2C Communication Driver Implementation for MOST Interface (MOST 인터페이스를 위한 I2C 통신 드라이버의 구현에 관한 연구)

  • Sung, Hyun-Yong;Jang, Si-Woong
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2010.05a
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    • pp.739-742
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    • 2010
  • The demand of MOST interface module is increasing with car-multimedia network system. MOST devices consist of INIC part which controls MOST network and EHC part which is used by user. The efficient data communication between EHC and INIC demands implementation of a proper device driver. This paper presents a design method for I2C communication driver which is used for transmitting control messages between nodes of MOST network. For effetive I2C communication, we design driver with NetService API. For testing the experiment, we use the MOST audio interface deivce for porting driver sources and will develop various driver on MOST device based OS.

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Interface Development for the Point-of-care device based on SOPC

  • Son, Hong-Bum;Song, Sung-Gun;Jung, Jae-Wook;Lee, Chang-Su;Park, Seong-Mo
    • Journal of Information Processing Systems
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    • v.3 no.1
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    • pp.16-20
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    • 2007
  • This paper describes the development of the sensor interface and driver program for a point of care (POC) device. The proposed pac device comprises an ARM9 embedded processor and eight-channel sensor input to measure various bio-signals. It features a user-friendly interface using a full-color TFT-LCD and touch-screen, and a bluetooth wireless communication module. The proposed device is based on the system on a programmable chip (SOPC). We use Altera's Excalibur device, which has an ARM9 and FPGA area on a chip, as a test bed for the development of interface hardware and driver software.

A Study on the Control technique of the Real-Time over the Environment of Graphic User Interface Using VxD. (VxD를 이용한 GUI환경에서의 실시간 제어기법에 관한 연구)

  • 장성욱;이진걸
    • 제어로봇시스템학회:학술대회논문집
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    • 2000.10a
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    • pp.120-120
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    • 2000
  • In this study, in order to control real system under the environment of graphic user interface, study on the technique which can control real system without additional hardware drivers using virtual machine driver operated on the windows operating system. Consider the problem which is the error and the delay of a sampling time on the multi task processing through the load test of the experiment using graphic user interface.

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Portable RTOS Character LCD Device Driver (이식 가능한 RTOS용 Character LCD 디바이스 드라이버)

  • Hong, Jung-Hwan
    • KSCI Review
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    • v.14 no.2
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    • pp.153-158
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    • 2006
  • A device driver is the core construction providing connectable rules between a hardware and an operating system in Embedded softwares. It provides consistent interface for the control and mutual interactions so that an application program can use hardware's functionalities. However, the device driver is suffered to develop as it is related to both hardware and software and it is also wasted to newly develop whenever hardware platform changed. Therefore, this paper researches the method to provide high portability in heterogenous hardware and finally suggests efficient device driver development.

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Implementation of Packet Voice Protocol (패킷음성 프로토콜의 구현)

  • 이상길;신병철;김윤관
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.18 no.12
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    • pp.1841-1854
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    • 1993
  • In this paper, the packet voice protocol for the transmission of voice signal onto ethernet is implemented in a personal computer (PC). The packet voice protocol used is a modified one from CCITT G.764 packetized voice protocol. The hardware system to facilitate the voice communication onto ethernet is divided into telephone interface, speech processing, PC interface and controllers. The software structure of the protocol is designed according to the OSI seven layer architecture and is divided into three routines : ethernet device driver, telephone interface, and processing routine of the packet voice protocol. Experiments through ethernet with telephone interface show that this packet voice communication achieves satisfactory quality when the network traffic is light.

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Functional verification method of OLED driver IC using PLI (PLI를 이용한 OLED 드라이버 IC의 기능 검증 방법)

  • Kim, Jung-Hak;Kim, Seok-Yoon
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.44 no.6 s.360
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    • pp.83-88
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    • 2007
  • In this paper, we propose the function verification method of the OLED(Organic Light Emitting Diode) drive IC using PLI verification method. This method uses the HDL(Hardware Description Language) simulator, PLI(Programing Language Interface), and GUI (Graphic User Interface) image viewer. This method improves the execute efficiency 40 times than conventional function verification methods. The proposed method can be used efficiently for function verification of DDI(display driver IC) design step.

Trends on Personalization in Advanced Driver Assistance Systems (운전자 맞춤형 첨단 운전자 보조 시스템 기술 동향)

  • Kim, D.H.;Jang, B.T.;Shin, S.W.
    • Electronics and Telecommunications Trends
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    • v.33 no.4
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    • pp.61-69
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    • 2018
  • Driver-specific technology in the automotive field has been commercialized for vehicle accessories, driver memory sheets, and side mirrors. In recent years, the demand for customized technology has expanded to include the user interface of an infotainment system (Infotainment System) and advanced driver support system (Advanced Driver Assistance System), and customized technologies for drivers have been studied. Therefore, this article describes the driver-tailored technology trends being studied in these fields, and examines the major research issues related to future driver-tailored technologies in the automotive field.