Design of automotive detector based on real-time waveform display of single-chip microcomputer LCD

Jiahuan Zhao, Miaozhong Sun, Yuanli Xu


Automobile testing provides an important basis for automobile performance parameter evaluation and fault diagnosis, and
portable automobile detector is the main topic of current research and development. Based on the 2.4-inch TFT LCD display connected to
the ILI9325 drive interface of MC9S12XET256, this paper uses C language to program the eight-channel real-time data waveform display
car detector on the CodeWarrior platform. The problem that poor continuity exists in displaying real-time wave is able to be solved by a
curve interpolation method. Relevant display functions for LCD dynamic waves are performed by programming. The software interface for
the automobile tester is designed. Finally, the reliability of the tester is certifi ed by the compared results by using the tester and INV 3062
type data acquisition instrument to test relevant sensors of the Passat automobile electrical training platform at the same time.


Freescale MCU;Data acquisition;ILI9325 drive interface; LCD display;Car detector

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Included Database


[1]. M. Z. SUN, Y. LEI, “Design and Implementation of an Automobile Engine Tester Based on Type MC9S12XET256 MCU”, UPB Scientifi c Bulletin,

Series D, vol. 80, no. 2, 2018. pp. 79-90.

[2]. X. XIAO, D. Z. YIN, W. J. WANG, C. H. WU. Design and implementation of LCD driver based on FPGA. Ordnance Automation, vol. 41, no.2, 2022, pp.


[3]. G. QIN, C. D. DUAN, L. LI, J. DAI. Graphics and curve display method of color liquid crystal module. Application of Electronic Technology, vol. 38, no. 3,

2012, pp. 54-56+59.

[4]. H. L. LIU. Design of signal acquisition and analog output system for automobile engine sensor. Harbin University of Science and Technology, 2020.

[5]. C. ZHANG, B. YU, Z. H. LIANG. Circuit design of automotive body control module system based on MC9S12XET256MAL. Electronic Test, vol. 10,

no. 6, 2015, pp. 11-12+6.

[6]. Q. HUANG. Design of UDS diagnostic instrument for electric vehicle based on MC9S12XET256. World of Electronic Products, vol. 22, no. 6, 2015, pp.


[7]. K. WU. Multi-channel AD synchronous acquisition and implementation technology based on JESD204B technology. Electronic Quality, vol. 4, no. 4,

2018, pp. 34-36.

[8]. X. J. LI. Design and implementation of automotive fault diagnostic instrument for embedded system. Microcomputer Application, vol. 35, no. 1, 2019,

pp. 132-134.

[9]. Y. R. HU, F. F. Guo, Y. K. Yang. Design of touch display screen based on handwriting teaching system. Software, vol. 35, no. 4, 2014, pp. 116-117+120.

[10]. J. M. WANG, S. M. YIN, H. B. CHEN. Design of real-time data acquisition and display system of Fourier transform imaging spectrometer based on

FPGA. Electronic Devices, vol. 40, no. 1, 2017, pp. 103-107.

[11]. Y. T. HE, J. P. HUANG, Z. Y. Guo, H. G. LIU. Environmental parameter measurement system and its liquid crystal display design. Journal of Nankai

University (Natural Science Edition), vol. 47, no.2, 2014, pp. 30-33+85.

[12]. L. J. SUN, F. T. He. Research on TFT-LCD LCD image control system based on ARM. Journal of Huang gang Normal University, vol. 32, no. 3, 2012,

pp. 41-45.

[13]. H. Y. WANG, M. T. Yuan. Software and hardware design of real-time curve display of liquid crystal display. Industrial Control Computer, vol. 28, no. 1,

2015, pp. 79-80.

[14]. Y. X. SONG. TFT-LCD true color LCD screen display control of FPGA. MCU and Embedded System Application, vol. 17, no. 4, 2017, pp. 41-42+50.



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