CTR_Redshift - hardware-based blue light filter for old3DS and 2DS

Discussion in '3DS - Homebrew Development and Emulators' started by MarcusD, Jan 9, 2018.

  1. MarcusD
    OP

    MarcusD WOODMILLS!

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    Oct 16, 2015
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    Nope, this is a boot.firm, just replace your already existing boot.firm :P

    Oh I think I know the problem... you're releasing A too slow, and this is an oversight, my bad :P Let me fix it real fast...

    EDIT: done http://puu.sh/AxWVU/a6635739b3.firm
     
    Last edited by MarcusD, Jun 2, 2018
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  2. silver_raid

    silver_raid Newbie

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    Jun 1, 2018
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    Yep that fixed it! Thanks!
     
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  3. Nutez

    Nutez Member

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    Jan 2, 2018
    United Kingdom
    My favourite bit of homebrew along with your LED toggle :wub: . So nice to be able to play in the dark without burning your eyes out. Hypothetically, would it be possible to apply the screen brightness settings at startup with a button press? I'm imaging the dream scenario where you can "Hold X for night mode" and it applies screen dim/redshift/LED toggle and maybe even loads a selected nighttime theme. And/or is this something that could be done via GodMode9 script? Thanks for the great work and entertaining my naive questions haha.
     
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  4. MarcusD
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    MarcusD WOODMILLS!

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    Oct 16, 2015
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    I guess I could try looking into a boot-time alternative a few days later, but it will have a slight chance of failing miserably and thus either softlocking the entire system or having a totally black screen due to the color table being all zero. I'll see what I can do :P

    Also, I don't get these GM9 scripts, why would a GM9 script be able to solve everything? I seriously don't know :wacko:
     
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  5. Nutez

    Nutez Member

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    Black screen would use less power and I could play by sounds alone :P . Any experimentation would be greatly appreciated though, thanks :D .
    I thought there was a GM9 script for changing theme at least.
     
  6. MarcusD
    OP

    MarcusD WOODMILLS!

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    Sadly a blank screen wouldn't use that much less power to be noticable. I'd also have to turn off the backlight for that, but sadly that requires a gsp patch, which is still in the works.
     
  7. Nutez

    Nutez Member

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    Jan 2, 2018
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    So the GSP module has a service for using the LCD (http://www.3dbrew.org/wiki/GSP_Services). What does GSP actually stand for though? It's bugging me and google just gives junk about GPS...
     
  8. MarcusD
    OP

    MarcusD WOODMILLS!

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    Oct 16, 2015
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    Austro-Hungarian Monarchy
    I have absolutely no ida what gsp stands for, but my guess would be "graphics service-protocol".

    Also, gsp::Lcd is useless, you could do that yourself by poking some memory addresses.
     
  9. trecko1234

    trecko1234 GBAtemp Regular

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    Aug 10, 2013
    United States
    fwiw, this might be of some help for you to see how NTR altered the backlight brightness in the past.

    http://github.com/44670/NTR/issues/9

    I've been able to frankenfirmware my 3DS in order to get the NTR backlight brightness function to work correctly, but that was back in January so I don't remember which CIAs I installed and what changed for it to work.
     
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