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《Journal of University of Electronic Science and Technology of China》 2009-03
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Research and Implementation of Communication Protocol Stack in DSP

WU Rui-qing,GU Qing-shui,and CHEN Wei (School of Electronic Engineering,University of Electronic Science and Technology of China Chengdu 610054)  
A new full network communication embedded protocol stack is presented and implemented on digital signal processors(DSP) TMS320C6415.The stack includes application,session layer,transmission control protocol/internet protocol(TCP/IP),point-to-point protocol(PPP),and net interface layer.The lower layer defines a physical frame to receive and transmit data and channel state indication by multichannel buffered serial port(McBSP) between the digital signal processors for channel modems.The μC/OS-II,a real time operating system(RTOS),is involved for management of multi-tasks.The compact peripheral component interconnect(cPCI) bus is high-speed path between application and session layer for data exchange.The device driver of cPCI is designed in Driver Studio on Windows 2000.The experiment result shows that the protocol stack with a refinement architecture and perspicuous hierarchy can works well on high transmission rate and low loop-back delay time.The full protocol has beer used in a wide-band communication system for telemetering.
【Fund】: 国家自然科学基金(60496313)
【CateGory Index】: TP368.1
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