| 多核DSP高速实时信号处理系统设计 |
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| 引用本文： | 李鑫,姜明. 多核DSP高速实时信号处理系统设计[J]. 光学技术, 2012, 38(1): 116-120 |
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| 作者姓名： | 李鑫 姜明 |
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| 作者单位： | 北京深迈瑞医疗电子技术研究院有限公司;北京理工大学信息科学技术学院 |
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| 摘 要： | 介绍了基于TI公司多核定点DSP(TMS320C6474)的高速实时数字信号处理系统。系统利用FPGA作为控制单元和转接芯片,通过SRIO接口作为DSP芯片的数据输入输出接口,具有信号处理能力超高、输入输出接口简洁、以及存储能力较大的优点。在软件实现中,利用了乒乓数据吞吐,静态内存分配技术和三核软件同步机制,通过优化算法,高效地实现了三核DSP实时信号处理,计算效率达到了设计要求。在项目图像信号实时处理中得到了成功应用,取得了良好的效果。
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| 关 键 词： | 数字信号处理 TMS320C6474 DSP |
| 收稿时间： | 2011-07-01 |
Realization of a real time signal processing system based on multi-core DSP |
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| LI Xin,JIANG Ming. Realization of a real time signal processing system based on multi-core DSP[J]. Optical Technique, 2012, 38(1): 116-120 |
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| Authors: | LI Xin JIANG Ming |
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| Affiliation: | 1.Beijing Shen Mindray Medical Electronics Technology Academy Co.LTD,Beijing 100085,China)(2.School of Information Technology,Beijing Institute of Technology,Beijing 100081,China) |
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| Abstract: | A high-speed real-time digital signal processing system based on TI’s multi-point DSP(TMS320C6474) is described.By using FPGA devices as control unit and switching chip and SRIO interface as the data input and output interfaces for DSP chip,the system has a lot of characters,including high signal processing power,simple input and output interface and huge memory capability.In the software implementation,through using optimization algorithm,including ping-pong data throughput,static memory allocation techniques and three core software synchronization mechanism,the system realize three-core DSP real time signal processing and calculating efficiency meet the design requirements.The successful application of the image signal process in a scientific research project show that it has good ability to fill the high speed digital signal process. |
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| Keywords: | digital signal process TMS320C6474 DSP |
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