Paper
8 February 2024 Design of a new serial control and detection module based on Manchester encoding
Qingkun Zhuo, Fuge Wang, Jianxin Liu, Xingtang Zhang
Author Affiliations +
Proceedings Volume 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023); 130661C (2024) https://doi.org/10.1117/12.3025054
Event: 2023 International Conference on Optoelectronic Materials and Devices (COMD 2023), 2023, Chongqing, China
Abstract
This article presents the design of a FPGA-based serial control and detection module that emulates the 1553B protocol. The module integrates a custom serial control and detection communication protocol within the Field Programmable Gate Array (FPGA), which defines the message formats for data, command, and acknowledgment words. It utilizes Manchester encoding for signal debugging and employs a command-response mode for data transmission. The module exhibits high resistance to interference. Compared to the 1553B bus, this design offers several innovations. Firstly, it significantly reduces software development efforts while ensuring reliable transmission by utilizing a command-response-based data transfer method. Secondly, it addresses the issues of long software retransmission time and poor real-time performance in handling response errors by implementing a hardware automatic retransmission mechanism. Thirdly, the hardware design, employing FPGA and RS485 physical interface, greatly reduces the overall design cost compared to the 1553B chip solution. Lastly, the integration of a PCI Express interface enables the module to be applied on different processor platforms. These innovations make this design highly adaptable for small unmanned platforms such as unmanned vehicles, and it holds promising prospects for a wide range of applications.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Qingkun Zhuo, Fuge Wang, Jianxin Liu, and Xingtang Zhang "Design of a new serial control and detection module based on Manchester encoding", Proc. SPIE 13066, International Conference on Optoelectronic Materials and Devices (ICOMD 2023), 130661C (8 February 2024); https://doi.org/10.1117/12.3025054
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KEYWORDS
Design

Data transmission

Field programmable gate arrays

Computer programming

Logic

Transceivers

Unmanned vehicles

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