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《Electric Power Automation Equipment》 2006-11
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Design of Ethernet-based voice communication system applying embedded system

WANG Fu-gang,ZENG Bing,GE Liang-quan,XI Da-shun(College of Nuclear Technology and Automation Engineering,Chengdu University of Technology,Chengdu 610059,China)  
A real-time voice communication system based on Ethernet is designed by using the embedded RTOS(Real-Time Operating System) μC / OSⅡ.The system consists of different modules,such as voice interface,web interface,memory system,keyboard and display.The voice interface module uses UDA1341TS chip to connect with the language data interface and realize the input /output of the audio-data.The web interace uses RTL8019AS chip as its controller.The transplant of μC/OSⅡ mainly changes three files:OS-CPU.H,OS-CPU-A.ASM,OS-CO-C.C.The driver of network card mainly resets and initializes the UDA1341TS chip.A subprogram of data receiving /transmitting via Ethernet is provided.The demo system has completed with good commissioning results.
【CateGory Index】: TP393.11
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