lina , Englisch
@lina@vt.social avatar

💫 USB Reverse Engineering stream! 💫

I bought a new audio interface to redo my setup with @cyan, but there are no Linux drivers! So let's reverse engineer it and write some~ 🚀

🕐 June 30th at 14:00 JST / 5:00 UTC
▶️ https://youtube.com/live/XIR0xVFsToo

be ,
@be@floss.social avatar

@lina @cyan This repository may be helpful: https://github.com/michaelforney/oscmix

lina OP ,
@lina@vt.social avatar

@be @cyan That's for a class compliant interface that works with standard drivers. The Digiface is not, so it won't work with that!

be ,
@be@floss.social avatar

@lina @cyan There may still be commonalities in the protocols, so it might be worthwhile checking it out anyway.

lina OP ,
@lina@vt.social avatar

@be @cyan That one apparently uses MIDI SysEx to communicate, which is too different to USB so it's unlikely to have much in common... (it doesn't even use 8-bit bytes but rather 7-bit data units!)

be ,
@be@floss.social avatar

@lina @cyan The MIDI SysEx is sent over USB as a standard audio class device.

lina OP ,
@lina@vt.social avatar

@be @cyan Yes but encoding parameters and mixer settings over SysEx is probably very different to encoding them directly into USB primitives like control messages and bulk transfers...

be ,
@be@floss.social avatar

@lina @cyan Ah yeah. I reverse engineered USB control messages for my RME Babyface Pro, only to hit a wall when I realized some of the features were controlled by a different USB endpoint with a completely different protocol 😵 That's when I realized the MIDI SysEx endpoint was the way to go for that device.

gudenau ,
@gudenau@fosstodon.org avatar

@lina @cyan USB is kinda fun, good luck!

umurgdk ,
@umurgdk@mastodon.social avatar

@lina You are crazy you know! 💞

18+ failedLyndonLaRouchite ,

@lina @cyan

I was at a DNA sequencing conference, and one of the swag items was a USB thumb drive
and this drive had male B and C jacks, so you could stick the drive in most full size ports.
But the B jack had something I have never seen: what looked like a micro USB built into the bottom of the B ??

I have googled but without success !!
any help ??

but the B

dingodoppelt ,
@dingodoppelt@social.tchncs.de avatar

@lina @cyan I'm so looking forward to this 😍

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