Video transmission system of Camera Link-ARINC818 protocol and conversion method of Camera Link-ARINC818 protocol

Abstract

The invention provides a video transmission system of a Camera Link-ARINC818 protocol and a conversion method of the Camera Link-ARINC818 protocol. The Camera Link video is input into the video receiving unit; the video receiving unit transmits the video data to the data buffer unit; the data buffer unit transmits the data to an ADVB protocol state machine of the protocol generation unit; and thevideo parameter register also transmits the video information to the ADVB protocol state machine of the protocol generation unit, and the data passing through the ADVB protocol state machine passes through a high-speed serial coding interface in the protocol generation unit to output ARINC818 protocol parallel data through an optical fiber. The structure is clear, and FPGA implementation is easy;the circuit design can be simplified, and the size, power consumption and cost are reduced; line synchronization output is adopted, and delay minimization is guaranteed. Real-time extraction and adaptation of video formats are realized, and flexible use is ensured.

Description

technical field [0001] The invention relates to the field of airborne video data transmission, in particular to a transmission system and conversion method of FPCA logic development, ARINC818 protocol and Camera Link protocol. Background technique [0002] The Camera Link protocol is a standard interface for video sensors in airborne or commercial environments. It has the characteristics of low power consumption, high bandwidth, and flexible applications, but its driving and anti-interference capabilities are limited, and it is not suitable for long-distance transmission; the ARINC818 protocol is an airborne In the environment, it is a point-to-point transmission protocol based on Fiber Channel (FC) for high-bandwidth, low-latency, uncompressed digital video, suitable for long-distance transmission. [0003] At present, after the video sensor data is generated, it is generally transmitted and processed inside the product through the Camera Link protocol. When the video is tr...

AI Technical Summary

Problems solved by technology

[0003] At present, after the video sensor data is generated, it is generally transmitted and processed inside the product through the Camera Link protocol. When the video is transmitted to the outside of the product through an electrical transmission line for a long distance, it faces problems such as poor driving ability, susceptibility to electromagnetic interference, and high cost.

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