From 55aca15dd789daa407244173a0fdb52ed099b164 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Wed, 12 Oct 2016 04:16:20 +0200 Subject: gpib: Add an example capture file. The file was provided by Rudolf Reuter , thanks! --- gpib/hp1631d/README | 51 +++++++++++++++++++++++++++++++++++++++++++ gpib/hp1631d/gpib_hp1631d.sr | Bin 0 -> 731 bytes 2 files changed, 51 insertions(+) create mode 100644 gpib/hp1631d/README create mode 100644 gpib/hp1631d/gpib_hp1631d.sr (limited to 'gpib') diff --git a/gpib/hp1631d/README b/gpib/hp1631d/README new file mode 100644 index 0000000..bebc979 --- /dev/null +++ b/gpib/hp1631d/README @@ -0,0 +1,51 @@ +------------------------------------------------------------------------------- +GPIB +------------------------------------------------------------------------------- + +This is an example capture of some GPIB traffic on an HP 1631D LA/scope. + +Details: +http://www.rudiswiki.de/wiki9/SigrokDecoderGPIB +https://github.com/rudi48/sigrok-gpib + + +Logic analyzer setup +-------------------- + +The logic analyzer used was a Saleae Logic16 clone (at 500kHz): + + Probe GPIB + ------------------- + 0 DIO1 + 1 DIO2 + 2 DIO3 + 3 DIO4 + 4 DIO5 + 5 DIO6 + 6 DIO7 + 7 DIO8 + 8 EOI + 9 DAV + 10 NRFD + 11 NDAC + 12 IFC + 13 SRQ + 14 ATN + 15 REN + + +Data +---- + +The following is happening on the GPIB bus in this capture: + + - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state) + - Controller sets device with GPIB address number 4 to LISTEN + - Controller sends command 'ID LF+EOI' to device with GPIB address number + 4 (request identity string) + - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state) + - Controller sets device with GPIB address number 4 to TALK + - Device with GPIB address number 4 sends the ID string 'HP1631D+EOI' to + controller + - Controller sets the GPIB to UNLISTEN and UNTALK (neutral state) + diff --git a/gpib/hp1631d/gpib_hp1631d.sr b/gpib/hp1631d/gpib_hp1631d.sr new file mode 100644 index 0000000..0d1e9f0 Binary files /dev/null and b/gpib/hp1631d/gpib_hp1631d.sr differ -- cgit v1.2.3-70-g09d2