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Thread: piTouch

  1. #31
    Senior Member paul-'s Avatar
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    It runs fine. I’m using a pi3b+. The only problem with jivelite is the frame rate is high, and it causes scrolling text to fly by.
    Last edited by paul-; 2021-09-25 at 04:41.
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  2. #32
    Bellini's FFT mode works fine with a 96K stream, despite crashing at 44.1K. Odd. It's a mesmerising display, but the decay time is very slow, so the screen gets quite cluttered. Think I'll stick with the RME's FFT, which is instantaneous in both attack and decay, and has useful x/y labels.

    Bellini's PPM mode is much more useful, IMO. Its ability to display both channels on a single graph is nice.

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    piTouch™ w/JustBoom DigiHat -> RME ADI-2 DAC FS -> JBL 305P MkII monitors; LMS 8.2 on piCorePlayer/Pi 4; Material Skin.

  3. #33
    Dusting 30 years' worth of cobwebs off my ancient C language coding skills, to muck around with bellini. Fewer bars and much faster decay make for a promising start.

    Last edited by chicks; 2021-09-27 at 14:07.
    piTouch™ w/JustBoom DigiHat -> RME ADI-2 DAC FS -> JBL 305P MkII monitors; LMS 8.2 on piCorePlayer/Pi 4; Material Skin.

  4. #34
    Senior Member paul-'s Avatar
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    When I first got my hyperpixel rectangular touch, finding a case/design was non existent. I just printed this one for use with my pi3b. https://www.thingiverse.com/thing:4284094 It works really nice.

    Similar design for a pi4. https://www.thingiverse.com/thing:4544931
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like the piCorePlayer

  5. #35
    Yeah, those dancing bars were bogging down the Pi Zero, was getting about 8 fps. Pi 3A loafs along, much higher frame rate. I'm sure the Zero could handle the load if only screen changes were written each frame, instead of updating the entire screen, but doing that is WAY over my head at this point.

    piTouch™ w/JustBoom DigiHat -> RME ADI-2 DAC FS -> JBL 305P MkII monitors; LMS 8.2 on piCorePlayer/Pi 4; Material Skin.

  6. #36
    Turns out the bellini code was calling the log() function twice in a very long loop for values that didn't change inside the loop. Oops! A performance killer. Moved the two calls outside the loop, and the Pi Zero is MUCH happier, able to keep up the dance with the ADI DAC and the much more powerful Pi 3A+. Still only 10fps, but appears to be sufficient.

    Also fixed a 44.1kHz segfault bug in bellini.

    Last edited by chicks; 2021-10-03 at 11:57.
    piTouch™ w/JustBoom DigiHat -> RME ADI-2 DAC FS -> JBL 305P MkII monitors; LMS 8.2 on piCorePlayer/Pi 4; Material Skin.

  7. #37
    Quote Originally Posted by paul- View Post
    When I first got my hyperpixel rectangular touch, finding a case/design was non existent. I just printed this one for use with my pi3b. https://www.thingiverse.com/thing:4284094 It works really nice.

    Similar design for a pi4. https://www.thingiverse.com/thing:4544931
    Those look great! If I had a 3D printer…. Meanwhile these little Pi Zero cases are a bit pricey to have made, but IMO they look great on the RME DAC, and the Zeros get the job done. Squeezelite takes surprisingly few resources.

    Last edited by chicks; 2021-10-06 at 11:34.

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