azonenberg changed the topic of #scopehal to: libscopehal, libscopeprotocols, and glscopeclient development and testing | https://github.com/azonenberg/scopehal-apps | Logs: https://freenode.irclog.whitequark.org/scopehal
<_whitenotifier-4> [starshipraider] azonenberg pushed 1 commit to master [+17/-0/±0] https://git.io/JmpJ3
<_whitenotifier-4> [starshipraider] azonenberg pushed 1 commit to master [+17/-0/±0] https://git.io/JmpJ3
<_whitenotifier-4> [starshipraider] azonenberg a7d2cc6 - Initial draft of AKL-PT2 manual. Still pending final figures of test setup and rise/fall times and typical waveforms.
<_whitenotifier-4> [starshipraider] azonenberg a7d2cc6 - Initial draft of AKL-PT2 manual. Still pending final figures of test setup and rise/fall times and typical waveforms.
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<azonenberg> This is impressively close considering how roughly the probe tip needle is modeled in this simulation
<azonenberg> This is impressively close considering how roughly the probe tip needle is modeled in this simulation
<azonenberg> Pink = sonnet sim of probe PCB only
<azonenberg> Pink = sonnet sim of probe PCB only
<azonenberg> Red = pink plus simple transmission line model of needle
<azonenberg> Red = pink plus simple transmission line model of needle
<azonenberg> Blue = VNA measurement of AKL-PT1 v1.4 prototype
<azonenberg> Blue = VNA measurement of AKL-PT1 v1.4 prototype
<azonenberg> I need to tune the model a bit more to get better agreement with the data, but it's pretty close
<azonenberg> I need to tune the model a bit more to get better agreement with the data, but it's pretty close
<azonenberg> now that i've eliminated a bunch of other artifacts in the layout, v1.5 can take aim at the peaking and hopefully get rid of it
<azonenberg> now that i've eliminated a bunch of other artifacts in the layout, v1.5 can take aim at the peaking and hopefully get rid of it
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<codysseus> Another update, I wasn't calculating the location of the packets correctly. It's all good :)
<codysseus> Another update, I wasn't calculating the location of the packets correctly. It's all good :)
<d1b2> <david.lenfesty> I believe I have hit a FIXME in the Rigol driver
<d1b2> <david.lenfesty> I believe I have hit a FIXME in the Rigol driver
<d1b2> <david.lenfesty> scopehal/RigolOscilloscope.cpp:624, it sets a maxpoints variable which controls a temporary buffer size
<d1b2> <david.lenfesty> scopehal/RigolOscilloscope.cpp:624, it sets a maxpoints variable which controls a temporary buffer size
<d1b2> <david.lenfesty> When I trigger a capture it segfaults on the temporary buffer
<d1b2> <david.lenfesty> When I trigger a capture it segfaults on the temporary buffer
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<d1b2> <david.lenfesty> (using a DS1052E)
<d1b2> <david.lenfesty> (using a DS1052E)
<d1b2> <david.lenfesty> okay that was because I was using deep memory
<d1b2> <david.lenfesty> okay that was because I was using deep memory
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<azonenberg_work> david.lenfesty: still file a bug
<azonenberg_work> david.lenfesty: still file a bug
<azonenberg_work> no matter what you do on scope settings, glscopeclient / libscopehal should not segfault
<azonenberg_work> no matter what you do on scope settings, glscopeclient / libscopehal should not segfault
<azonenberg_work> at worst, print an error and abort
<azonenberg_work> at worst, print an error and abort
<d1b2> <david.lenfesty> yeah there's a few other issues w/ usability
<d1b2> <david.lenfesty> yeah there's a few other issues w/ usability
<d1b2> <david.lenfesty> I gave up, but some point soon I'll try and track them down and get issues filed for them
<d1b2> <david.lenfesty> I gave up, but some point soon I'll try and track them down and get issues filed for them
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<d1b2> <mubes> Oh dear, had a quick punt at adding SDS2000XPlus to scopehal...it's not quite that straightforward, lots of protocol barfs. I guess Siglent came to a bit of a fork in the road with LeCroy.
<d1b2> <mubes> Oh dear, had a quick punt at adding SDS2000XPlus to scopehal...it's not quite that straightforward, lots of protocol barfs. I guess Siglent came to a bit of a fork in the road with LeCroy.
<azonenberg> mubes: Yes, there's an open ticket on that
<azonenberg> mubes: Yes, there's an open ticket on that
<azonenberg> the siglent driver has to be completely split off
<azonenberg> the siglent driver has to be completely split off
<azonenberg> tl;dr none of the siglent scopes except for the SDS3000 (aka wavesurfer 3000) support COM automation, as they're not windows based
<azonenberg> tl;dr none of the siglent scopes except for the SDS3000 (aka wavesurfer 3000) support COM automation, as they're not windows based
<azonenberg> and the lecroy driver now makes heavy use of automation calls
<azonenberg> and the lecroy driver now makes heavy use of automation calls
<azonenberg> i've been waiting for a siglent owner to be willing to put in the time to do the clean split
<azonenberg> i've been waiting for a siglent owner to be willing to put in the time to do the clean split
<azonenberg> If you're interested i'll assist to the extent practical
<azonenberg> If you're interested i'll assist to the extent practical
<azonenberg> Right now the siglent driver is basically bitrotted to the point of unusability on any non-windows ce based siglent scope
<azonenberg> Right now the siglent driver is basically bitrotted to the point of unusability on any non-windows ce based siglent scope
<d1b2> <mubes> Yup, took me about 30 mins to reach that conclusion...and it seems to be pretty easy to hang their current implementation to the level of Big Red Button. I think this one is going to be worth the investment because it'll also work for the 5000 and probably the 6000 if/when it comes out too.
<d1b2> <mubes> Yup, took me about 30 mins to reach that conclusion...and it seems to be pretty easy to hang their current implementation to the level of Big Red Button. I think this one is going to be worth the investment because it'll also work for the 5000 and probably the 6000 if/when it comes out too.
<d1b2> <mubes> No promises and don't rely on me cos I'm up to my hocksters in my own stuff at the moment..but I'll try and take a look.
<d1b2> <mubes> No promises and don't rely on me cos I'm up to my hocksters in my own stuff at the moment..but I'll try and take a look.
<azonenberg> this is the ticket if you want to tag any commits or PRs as related
<azonenberg> this is the ticket if you want to tag any commits or PRs as related
<d1b2> <mubes> OK. Don't hold your breath unless you've got spectacular lungs.
<d1b2> <mubes> OK. Don't hold your breath unless you've got spectacular lungs.
<azonenberg> that ticket was filed in November
<azonenberg> that ticket was filed in November
<azonenberg> I don't think i can turn any more blue in the face than i already am :p
<azonenberg> I don't think i can turn any more blue in the face than i already am :p
<d1b2> <mubes> 🙂
<d1b2> <mubes> 🙂