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XNET USB-8502 get no data

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When I use a usb-8502 to do CAN frame input stream, I get no data unless I  open XNET bus monitor and start it first. And when I stop bus monitor, frame data stops. Why? Hardware problem?

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If it works with one piece of software and not with the other, I wouldn't focus on the possibility of a hardware problem.

It's a bit difficult to guess what is wrong with your program, as long as we don't see it. Can you please provide:

1) A minimal example of your program that still exhibits the error

2) A description of your bus. What is connected to it

3) A description of the signals you expect

 

Do you have any other CAN devices to check the bus communication?



Remember Cunningham's Law
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