Merge branch '4247-fix-on-elmo-controller' into 'master'
Resolve "fix on elmo controller"
See merge request !6173 (merged)
(cherry picked from commit c3060362)
db683741 elmo : retry commands on decode error too bef86ff4 elmo : do not allow moves of more than 2**31 steps 0d26cf58 scriv note