基于FPGA的数字摄像机输出视频DVI显示

Displaying digital camera video on DVI monitor based on FPGA

从硬件电路设计和EDA设计两个方面,介绍了一种基于FPGA的Camera Link接口数字摄像机输出视频DVI显示的实现方法。从系统的硬件电路入手,介绍了硬件电路的系统设计原理和各组成部分;重点介绍了FPGA内部各模块的划分、实现,包括Camera Link接口模块、前端FIFO控制模块、SDRAM控制模块、乒乓操作控制模块、后端FIFO控制模块、DVI视频显示控制模块。实验证明,该系统能很好的实现Camera Link接口数字摄像机输出视频DVI显示,并且成本低、应用范围广。

This paper gives a solution to display video produced by digital camera with Camera link interface on the monitor with DVI interface.This design is composed with two parts,hardware circuit design and EDA design of FPGA.Starting from the hardware system,this design introduces the principle of the hardware system and it′s components;Focus is put on the function modules within the FPGA,including Camera link interface module,forward FIFO control module,SDRAM control module,ping-pong operation control module,backward FIFO control module,DVI video display control module.Experiments show that the system can achieve a perfect DVI display of digital camera output video,with advantages such as low cost and wide application.