DSP+FPGA折反射全景视频处理系统中双核高速数据通信

李乐; 熊志辉; 王斌; 张茂军; 陈立栋

doi:10.3724/SP.J.1146.2009.00329

DSP+FPGA折反射全景视频处理系统中双核高速数据通信

doi: 10.3724/SP.J.1146.2009.00329

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出版历程
- 收稿日期: 2009-03-13
- 修回日期: 2009-07-27
- 刊出日期: 2010-03-19

High-Speed Data Communication Between DSP and FPGA in Embedded Panoramic Video Processing System

摘要

摘要: 对于嵌入式折反射全景视频处理系统，由于计算量大，一般采用多处理器协同的结构，但在该结构下多个处理器之间需要进行高速的数据通信。该文提出一种基于DSP+FPGA架构的双核高速数据通信方法，该方法通过基于地址总线的控制指令编码解析方法协同双核工作，通过逆向波形分析和基于乒乓缓存的间接DMA通信方式，实现DSP与FPGA之间的双核DMA数据通信。实验结果表明，使用上述方法实现的DSP与FPGA之间数据通信速度高达585 MBps。
- 数据通信; 双核; 全景; DMA; FPGA; DSP
Abstract: As the huge computational loads of panoramic video processing, most of the embedded panoramic video processing system are based on multi-cores. The problem of high-speed data communication between multi-cores must be solved. A high-speed data communication method between DSP and FPGA is proposed. In order to realize high-speed data communication, the address-bus is used to transport commands, the wave of data communication between dual-cores in DMA mode is analyzed and simulated. The experiments show that the data transmission speed is up to 588 MBps between DSP and FPGA by using those methods.

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