I attach the configuration files to handle the turret. The only difference with yours is that the one I have did not have the encoder and I had to design one, but without the use of parity pins, you can add it by modifying the turret.hal file. My turret only has a 6-position tool changer while yours has 12, that's not a problem, what I did was design my encoder to only detect 6 positions and only use 3 sense pins to get a maximum of 8 combinations, with your encoder you can do all 12, adding another sense pin to the turret.hal file. As I explained in this thread, the turret originally works bidirectionally, but I could not get it to work that way because the carrousel component does not allow it. In this thread they also discuss this type of turret forum.linuxcnc.org/10-advanced-configura...ute-encoder?start=30. I have to search my notes because I found in another thread someone who designed a component for a turret that works the same as the one we have, but is manufactured by another company. This component does allow the turret to work in a bidirectional manner.
