search

pyvisa / pyvisa-py

A pure python PyVISA backend
https://pyvisa-py.readthedocs.io
MIT License
282 stars 120 forks source link

[COM] Communication issue with COM port using Pyvisa #310

Closed cambronnem closed 2 years ago

cambronnem commented 2 years ago

Instrument details

Output of pyvisa-info

C:\Users\sesa627732\Documents\SXWS_SMARTX\CI_System\CI_System_ASP\User_Interface_Test_Cases>pyvisa-info Machine Details: Platform ID: Windows-10-10.0.19043-SP0 Processor: Intel64 Family 6 Model 158 Stepping 10, GenuineIntel

Python: Implementation: CPython Executable: C:\Users\sesa627732\AppData\Local\Programs\Python\Python39\python.exe Version: 3.9.9 Compiler: MSC v.1929 64 bit (AMD64) Bits: 64bit Build: Nov 15 2021 18:08:50 (#tags/v3.9.9:ccb0e6a) Unicode: UCS4

PyVISA Version: 1.11.1

Backends: ivi: Version: 1.11.1 (bundled with PyVISA)

1: C:\WINDOWS\system32\visa32.dll:

     found by: auto
     bitness: 64
     Could not get more info:
        VI_ERROR_INV_OBJECT (-1073807346): The given session or object reference is invalid.
  #2: C:\WINDOWS\system32\visa64.dll:
     found by: auto
     bitness: 64
     Could not get more info:
        VI_ERROR_INV_OBJECT (-1073807346): The given session or object reference is invalid.

test.txt test.txt

MatthieuDartiailh commented 2 years ago

This is typical of a corrupted VISA installation I suggest you uninstall and reinstall whatever is your VISA distribution.

cambronnem commented 2 years ago

Thanks...now it working