本文關(guān)鍵詞： 數(shù)據(jù)總線 ARINC429 FPGA USB2.0 接口設(shè)計(jì)　出處：《西安科技大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：現(xiàn)有航空電子設(shè)備的測(cè)試系統(tǒng)體積大，，價(jià)格昂貴，鑒于此本課題在詳細(xì)研究ARINC429數(shù)據(jù)總線協(xié)議以及參考國(guó)內(nèi)外芯片設(shè)計(jì)的基礎(chǔ)上，結(jié)合大規(guī)�？删幊碳夹g(shù)，提出了一種基于USB總線的解決方案。本課題通過(guò)USB總線完成接口板與PC主機(jī)之間的通信，采用可編程邏輯器件FPGA實(shí)現(xiàn)ARINC429信號(hào)的接收與發(fā)送以及與USB總線接口間的通信，大大簡(jiǎn)化了系統(tǒng)設(shè)計(jì)，使PC主機(jī)和板卡的連接過(guò)程變得更為簡(jiǎn)單，實(shí)現(xiàn)了測(cè)試設(shè)備的便攜性和使用的靈活性。 論文首先介紹了課題的研究背景、意義和設(shè)計(jì)中涉及到的關(guān)鍵技術(shù)，如ARINC429數(shù)據(jù)總線的通信協(xié)議以及USB設(shè)備的開(kāi)發(fā)流程等。然后給出系統(tǒng)的總體設(shè)計(jì)思路。之后詳細(xì)闡述了系統(tǒng)軟硬件設(shè)計(jì)與實(shí)現(xiàn)。其中系統(tǒng)硬件電路設(shè)計(jì)主要包括：USB總線接口電路、USB-429總線通信接口電路、調(diào)制解調(diào)電路的設(shè)計(jì)；系統(tǒng)軟件主要包括：接口固件程序、USB驅(qū)動(dòng)程序和用戶應(yīng)用程序三部分。最后，通過(guò)自行搭建的硬件平臺(tái)對(duì)系統(tǒng)進(jìn)行測(cè)試。 課題設(shè)計(jì)接口卡實(shí)現(xiàn)了相互獨(dú)立2路發(fā)送通道、2路接收通道，傳輸速率100kbps或12.5kbps可選，數(shù)據(jù)字長(zhǎng)32bit，發(fā)送時(shí)間間隔可設(shè)，經(jīng)過(guò)測(cè)試該接口卡性能穩(wěn)定，具有良好的數(shù)據(jù)傳送能力，可以方便地應(yīng)用到基于ARINC429總線的航空電子設(shè)備的測(cè)試中。
[Abstract]:The existing avionics testing system is large in volume and expensive in price. In view of this topic, we study the ARINC429 data bus protocol in detail and refer to the design of chips at home and abroad. Combined with large-scale programmable technology, a solution based on USB bus is proposed. The communication between interface board and PC host is accomplished by USB bus. The programmable logic device (FPGA) is used to realize the receiving and transmitting of ARINC429 signal and the communication with USB bus interface, which greatly simplifies the design of the system. It makes the connection process between PC host and board more simple, and realizes the portability and flexibility of test equipment. The paper first introduces the research background, significance and key technologies involved in the design. For example, the communication protocol of ARINC429 data bus and the developing flow of USB equipment. Then the overall design idea of the system is given. Then, the design and implementation of the system hardware and software are described in detail. The circuit design includes:. USB bus interface circuit. USB-429 bus communication interface circuit, modulation and demodulation circuit design; The system software mainly includes three parts: interface firmware program USB driver and user application program. Finally, the system is tested through the self-built hardware platform. The interface card is designed to realize two independent transmission channels and two receiving channels. The transmission rate is 100kbps or 12.5kbps, and the data word length is 32bit. The transmission time interval can be set, the performance of the interface card is stable, and the interface card has good data transfer ability. It can be applied to the test of avionics equipment based on ARINC429 bus conveniently.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP334.7

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本文編號(hào)：1455439