Tx
- if filament loaded unloads current filament
- selects and loads filament x
- once done confirmed by "ok\n"
Lx
- loads filament x into the unit
- if successful or canceled by user on the unit returns "ok\n"
Ux
- unloads filament if loaded
- once done confirmed by "ok\n"
Gcode implemetation : M702 C sends U0 to the unit, waits for "ok\n" from the unit.
Sx
- if x = 0 returns "ok\n"
- if x = 1 returns MMU2 firmware version ( not implemented )
Fxy
- sets filement type y to the extruder x ( not implemented )
Xx
- mmu reset ( not implemented )
- currently just X0