USB Serial Communication under Real Time Windows Target delay

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Paulo Melo 2012-2-9

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https://ww2.mathworks.cn/matlabcentral/answers/28529-usb-serial-communication-under-real-time-windows-target-delay

评论： Paulo Melo 2013-9-29

Hi!

I have a set of USB IMUs from Microstrain (through Virtual COM Port) and I'm trying to use them in Real Time Windows Target. To communicate with the devices I use the Packet Input block for serial communications. I am able to build and run the real time code, but the sensor readings are coming in very delayed (something like 30 seconds after I move the sensor). Does anyone has an idea about what the problem might be?

Thanks, Paulo

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ammar al jodah 2013-7-22

can you please tell me how you solve this problem cuz i cant even send or receive anything

Paulo Melo 2013-9-29

Hi! I accidentally discovered how to make the delay go away, just make a second copy of the block packet input. I don't why this happens, but having two packet input block doing the exact same thing to the same COM port, solves this issue. Hope it helps.

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