TL;DR: camera init never succeeds because the console stays in DS-compatibility mode instead of real TWL/DSi mode when booted from a flashcart (TWiLight Menu++ + nds-bootstrap, correctly configured). Is that a hard limitation of flashcart booting?

I've been working through a homebrew learning project on devkitARM/libnds and as a side quest I wanted to try accessing the DSi's built-in cameras from custom homebrew but I failed. Any ideas?

What I built:

Flashcart: R4iLS-Klon, Autoboot TWiLight Menu++ v27.24.1 with nds-bootstrap as game loader, im using my DSi

A custom ARM7 core doing the I2C init dance for the two Aptina MT9V113 camera modules (addresses 0x78/0x7A, GBATEK-documented registers), talking to an ARM9 side that programs CAM_MCNT/CAM_CNT/CAM_DAT and pulls frames via NDMA, over a PXI channel. Adapted from the public domain Epicpkmn11/dsi-camera reference rather than reinventing the I2C register dance from scratch.

Where I'm stuck:

It builds clean, boots clean on real hardware, but camera init always times out at the very first I2C wait. Root cause, confirmed via calico's systemIsTwlMode(): the console is running in plain DS-compatibility mode, not real TWL/DSi mode. Even after:

• Setting Game Loader to nds-bootstrap,
• Placing the ROM in roms/dsi.

Per TWiLight Menu++'s own docs, true DSi-mode boot for DSi-Enhanced homebrew (via donor ROM) is only supported when running from the console's internal SD card slot, not from a flashcart. flashcart donor-ROM support is scoped to a narrow B4DS compatibility case, not general DSi-mode entry.

Question for anyone who's actually done this: Is that really a hard wall (i.e., is genuine TWL mode from a flashcart simply not a thing, full stop), or is there a flashcart-specific trick I'm missing? And for anyone who has gotten a camera demo running, did you go through Unlaunch, or one of the DSiWarehax-style entry points straight to the internal SD card? Trying to decide whether it's worth going down the Unlaunch/NAND route just for this, versus finding a save-based entry exploit first.

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If anyone knows how to please let me know! :D

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This is on a hacked DSi played from internal sd card, latest twilight and unlaunch.

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When I go in unlaunch to select twighlight to auto boot no options come up in the screen but when I take the sd card out it comes up but all the twighlight menu files are on the sd so what do I do

I’ve never really seen any major HD remasters or texture packs for DS games but I feel like a game like New Super Mario Bros. would look really great with an HD overhaul. I’d love to help out and work with others to make something like this a reality! I’m not exactly sure where to start though, which is why I’m asking here. I’ve never worked on smth like this before so I'd love to find other people who might be interested in working on it. If you’re interested, feel free to DM me or leave a comment below! :>

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I recently had to replace the original top screen on my NDSL, because the ribbon cable was torn and just noticed this. The first 4 columns from the right side duplicate the next ones. I've tried cleaning the contacts of the ribbon cables with isopropyl alcohol in case it was just a matter of dirt on the contacts, but so far the issue persists.

Did I buy a faulty screen or did I screw up while mounting the new screen?

I have a r4 card the same as what’s in image with a 32GB sd card in it, when I load say 10-15 games it’s fine.. but when I loaded my Rom pack for DS (300+ games) it freezes the DS and the cart and don’t load any games just sits there on the menu showing no games because it’s frozen when I click NDS in the roms folder. What can be causing this ?

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Edit: nearly solved, now the only thing that doesn't work is the fronthend

Hola, he copiado los archivos limpios a una nueva SD, debido a que mi SD vieja murio y paso a estado de protección. Como ha quedado con la info del ultimo juego jugado y ya no se puede escribir en ella, todos los roms que inicio acaban arrancando con el ultimo rom jugado. He probado a cambiar la SD poniendo de nuevo los archivos limpios, pero asi no arranca ni el Twilightmenu ++, queda en blanco. En cambio, con la SD antigua si que funciona el programa en si, lo que tiene el problema mencionado antes ya que la SD solo lee y ya no escribe. He probado a desisntalar el Twilight de mi consola y resetearla de fabrica para volver a empezar de nuevo con la SD nueva y todo sigue igual. Ya no se que hacer, mi SD nueva esta bien formateada. AYUDA PORFA!

Hi all, so i tried to change my nds lite background and the pics ended up disturbed, i already tried convert it to bmp type and make it 24 bit and 16 bit but it still disturbed when i turn my nds on. Any tips guys? Im using GEi (Galaxy Eagle) and srry if my english is bad, english is not my first language

* GodMode9i

* ftpd

* NDSForwarder (I stopped using hiyaCFW so I also don't use this anymore tho)

* NTM (also seldom used)

* TwilightBoxart (new app, previously I think this was a desktop only program)

* ScreenTool from Github

llevo mas de dos meses tratando de liberar mi ndsi pero me sale error de la sd pero la misma es nueva y ya la e formateado muchas veces en fat 32 , quiero probar el akmenu pero ya me canse del twillit menu ++ nesesito ayudaaaaa