PRISM DD (IN-18) and (Z566M) Fade and Scrollback

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6 months 2 weeks ago #11320 by Hartmut E.
Hi All,

this topic is about the firmware of PRISM DD IN-18 and Z566M.
fading and scrollback are not working properly.

In the videos you can only see a very weak glow of the digits when fading. The same can be observed with the scrolback that the digits light up only very weakly.

I recorded both tubes in the video.
The download links are available until 05.05.2020

Z566M Video download

IN-18 Video download

maybe you can fix this in the firmware

Thanks a lot
Hartmut

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6 months 2 weeks ago #11321 by Ian
Hi Hartmut,

strange that you should bring that up - I am working on a new firmware right now (literally at this minute), which uses the same firmware as the Numitron clocks, but with a special driver class for the HV5622 output.

I fixed the dimming already and am doing the fading at the moment.

The new firmware won't be quite fully open source for everyone, but because I trust you, there is no problem to let you have the source.

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6 months 2 weeks ago #11323 by Hartmut E.
Hi Ian,

thanks for your trust.
Did you receive my email with the data of the two projects and the modified firmware?

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6 months 2 days ago #11391 by Ian
Yes, got those: I am still working on the fade code, and have been experimenting with interrupt driven drivers, this might help me solve the problem...

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