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5 This is an example capture of some GPIB traffic on an HP 1631D LA/scope.
8 http://www.rudiswiki.de/wiki9/SigrokDecoderGPIB
9 https://github.com/rudi48/sigrok-gpib
15 The logic analyzer used was a Saleae Logic16 clone (at 500kHz):
40 The following is happening on the GPIB bus in this capture:
42 - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state)
43 - Controller sets device with GPIB address number 4 to LISTEN
44 - Controller sends command 'ID LF+EOI' to device with GPIB address number
45 4 (request identity string)
46 - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state)
47 - Controller sets device with GPIB address number 4 to TALK
48 - Device with GPIB address number 4 sends the ID string 'HP1631D+EOI' to
50 - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state)