Re: [Linux-gpib-general] computer in listen-only mode?

[Michael K <vk...@ya...>]

I had the same thought ... and wrote https://github.com/VK2BEA/HPGL-Plotter 8-)Michael
   On Thursday, September 18, 2025 at 03:11:54 AM EDT, Hernán Freschi <hj...@hj...> wrote:  
 
 Is it possible to run a device (a ni_pci in particular) in "listen only" mode? Instead of being a controller, I'd like it to be a listen only device, so I can emulate a plotter
My idea is to just grab all of the HPGL commands a device sends and then convert into PDF. 
This has already been discussed 2 decades ago: https://sourceforge.net/p/linux-gpib/mailman/linux-gpib-general/thread/446940000.1056300621%40%5B192.168.1.1%5D/#msg2697429 but the solution is specific to a particular device.
The NI  forums mention:
#define IbcLON 0x0022 /*Enter listen only mode*/ 
but it doesn't seem like linux-gpib implements this?
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