When reverse-engineering some of the Samsung NX camera firmware files, I found USB-PTP code that implements different custom remote commands <https://chaos.soci

When reverse-engineering some of the Samsung NX camera firmware files, I found USB-PTP code that implements different custom remote commands <https://chaos.social/@ge0rg/114723076401717110 https://chaos.social/@ge0rg/114723076401717110> but I'm not deep enough into PTP to make sense of them. Is there anywhere a group focusing on understanding and re-implementing custom PTP protocols?