program not stable | Code-Composer

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Hi, all I am using TI DM642 to develop a video codec. I need to communicate with PC to read/write encoded or decoded video stream via USB JTAG or TCP/IP Ethernet. Sometimes my program runs very well. But sometimes it does not run correctly, with problems such as TCP connection fails, or the encoded file written to PC hard disc via JTAG can not be decoded. I always spend lots of time to reset the DSP board, restart the PC or reload the program to get it run correctly. It seems my program on DSP is not stable at all. However, my codec has no problem at all on Windows Visual C++ platform before ported to DSP. Any possible reasons for it? Hope someone can answer. Thank you Yong

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program not stable - Yong Yang - Apr 19 2:00:00 2004