34 lines
953 B
Python
34 lines
953 B
Python
import pyvisa
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import logging
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log = logging.getLogger(__name__)
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def enumerate_devices(device_name, query="(GPIB)|(USB)?*:INSTR", visa_backend=""):
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"""
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Return all available visa resources that match the query and the device name
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Parameters
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----------
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device_name
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A part of the name that the device is supposed upon the '*IDN?' query
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query
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A query to the visa resource manager, to filter the resources
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visa_backend
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The visa backend to use, if not the default one
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Returns
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-------
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List of visa resource names
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"""
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rm = pyvisa.ResourceManager(visa_backend)
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res = []
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for r in rm.list_resources(query):
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try:
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instr = rm.open_resource(r)
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name = instr.query('*IDN?')
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if device_name in name:
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res.append(r)
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instr.close()
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except:
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log.debug(f"Could not open Visa resources {r}")
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return res |