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test and document USB support #2

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tomjnixon opened this issue Jun 1, 2023 · 1 comment
Open

test and document USB support #2

tomjnixon opened this issue Jun 1, 2023 · 1 comment

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@tomjnixon
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it should work...

@tomjnixon
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tomjnixon commented Jun 3, 2023

... but of course it doesn't :)

testing with pyvisa-py:

  • chunk size needs to be set low, or some commands fail and others have trailing garbage: self.resource.chunk_size = 52
  • read_bytes seems to return the full response, rather than the number of bytes requested. this could be shimmed over. with the current code save-data works, but save-screen doesn't
  • the resource tweaks should check that it is actually a TCPIP INSTR connection

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