I wish I could help you, my PS3 is currently on 3.50 although its WAS on 3.15 before hand (NEVER let your girlfriend touch your computers!)
Back to the source code... I'm using Pic C Compiler which is the same I used to compile the other psgroove sources. Anyone managed to compile it? I used the master key posted earlier in this topic.
Think I sussed it. Ran the makefile under command with winavr & it compiled with no errors.
I've uploaded the hex for someone to try out. Key has been added to key.h
USB Dongle Master Dummy Key:
More than likely this won't work as it's only a dummy key - if someone can get those 3.15 dumps sorted then we can start compiling!
0xD1 0xFC 0x57 0x55 0xBF 0x20 0xFA 0xB2 0xD4 0xA5 0x4A 0x0A 0x0C 0x5D 0x52 0x8E 0xDF 0x66 0xCD 0x74