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pyvisa / pyvisa-py Public

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Add support for NI GPIB-ENET/100 bridge.#587

Open

bytewarrior wants to merge 79 commits into

pyvisa:mainpyvisa/pyvisa-py:mainfrom

bytewarrior:feature/ni-gpib-enet100bytewarrior/pyvisa-py:feature/ni-gpib-enet100Copy head branch name to clipboard

Conversation Commits79 (79)Checks Files changed

Open

Add support for NI GPIB-ENET/100 bridge.#587
bytewarrior wants to merge 79 commits into
pyvisa:mainfrom
bytewarrior:feature/ni-gpib-enet100

Commits

Commits on Jul 5, 2026

Add GPIB-ENET/100 wire protocol module skeleton

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Add stateful chunk reader for NI GPIB-ENET/100 read streams

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Add EnetConnection with main + companion socket lifecycle

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Add GPIB-ENET/100 session open / close sequences

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Add GPIB-ENET/100 device verbs (ibwrt/ibrd/ibclr/ibtrg/ibloc/ibrsp)

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Add NIEnet100TCPIPIntfcSession for NIENET100-TCPIP::INTFC resources

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Add NIEnet100InstrSession for GPIB::INSTR via NI GPIB-ENET/100

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Wire GPIB-ENET/100 into pyvisa-py dispatch and module loader

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Add offline unit tests for GPIB-ENET/100 wire protocol

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Add lazy wait/control socket lifecycle for GPIB-ENET/100 SRQ support

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Add ibwait verb for GPIB-ENET/100 SRQ polling

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Add ibsic + notify_off_async_device control-socket verbs and cleanup

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Add offline tests for GPIB-ENET/100 SRQ verbs and wait/control lifecycle

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Add GPIB-ENET/100 discovery frame primitives

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Add discover() UDP loop for GPIB-ENET/100 bridges

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Wire UDP discovery into NIEnet100TCPIPIntfcSession.list_resources

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Add offline tests for GPIB-ENET/100 discovery

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Add wire-level hardware tests against a real GPIB-ENET/100 bridge

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Add full-stack hardware tests via pyvisa.ResourceManager('@py')

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Resolve PYVISA_TEST_NIENET100_HOST to IP for discovery assertions

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Gate cross-subnet discovery test behind opt-in env var

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Add hex-dump DEBUG logging to main-socket send/recv

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Treat unknown zero-length chunk flags as end-of-stream

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Relax ibwait smoke test: accept sta=0 as a valid no-event response

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Read status headers through the chunk framing layer

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Use per-call ibrd tmo_ms instead of IbcTMO setter in timeout test

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Parse ibrsp response as one chunk containing status + STB combined

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Make ibrd default tmo_ms useful and tolerate no-END response path

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Propagate pyvisa session timeout into the wire-level ibrd

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Use 'NI-ENET100-TCPIP' as the interface-type segment and index dispatch by string board

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Drop IbcTMO setter from session _set_timeout and widen socket buffer

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Make assisted INSTR tests robust against real instruments

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Refresh stale comment on gpib_control_ren

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Updated comments, removed old references to wire spec.
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Wrap TERM constant to satisfy ruff line-length

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Track bracket lifecycle in the protocol layer and close it on teardown

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Reduce import checking to one check (sufficient for determining compatibility).
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Enhance read buffer management in NIEnet100InstrSession to prevent data loss between reads.
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Added a blank line to all multiline docstrings at the end, like numpy.
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Register NI-ENET100 INTFC in session-class expectations test

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Add inert central GPIB::INSTR dispatcher scaffold

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Wire native and Prologix GPIB::INSTR backends as resolvers

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Wire NI-ENET/100 bridge as highest-precedence GPIB::INSTR backend

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Activate central GPIB::INSTR dispatcher and retire per-module hooks

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Type GPIB::INSTR resolvers against GPIBInstr for mypy

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Declare dynamically-bound EnetConnection verbs for type checkers

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Fix mypy types in NIEnet100 INTFC/INSTR session layer

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Fix mypy types in NI-ENET/100 assisted tests

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[pre-commit.ci] auto fixes from pre-commit.com hooks

pre-commit-ci[bot]
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Modernize typing to PEP 585/604 for Python 3.10 floor

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Fix NI-ENET/100 socket tests on Unix (getsockname on socketpair)

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Added a TODO marker in the code for finalizing pyvisa prerequisite warnings.
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Removed old, no longer needed comment at the end of the file.
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Removed old, stale reference to reverse engineering notes.
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Discard buffered read tail on new write in NIEnet100 INSTR session

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Add NIEnet100 assisted tests for the session read buffer

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Fixed Docstring style.
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Narrow HOST to str in wire tests under require_bridge

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Send NIEnet100 ibwrt payloads unpadded

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Report the main socket port in the NIEnet100 companion hello

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Poll ibwait on the companion socket with verb 0x22

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Read the ibrsp STB by position, not gated on cnt

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Remove the fabricated wait-socket SRQ machinery

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Assert a real SRQ in the assisted ibwait test

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Fix stale NIEnet100 doc comments

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Send ibsic as a 0x1c frame on the main socket

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Remove the now-unused 5005 control socket and 'O'-verb helper

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Add EnetConnection.open_board_session for board-level sessions

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Fix NIENET100 open timeout when open_timeout is 0 (VI_TMO_IMMEDIATE)

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Wire ibsic into the session layer via gpib_send_ifc on the INTFC

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Minor docstring updates.
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Use shared gpib_constants for NIEnet100 status/timeout/error codes

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Add EnetConnection.set_read_timeout_code for mid-session timeout changes

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Drive the NIEnet100 read timeout from the session timeout

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Keep the NIEnet100 read buffer across writes

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Commits on Jul 6, 2026

Place frame length assertion before the frame content assertion as suggested.
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Remove isEnabledFor queries before send/recv logger calls.
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Require pyvisa 1.17.0 and drop the temporary ENET/100 guards

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Sort imports after dropping the ENET/100 test skip guards

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