#unconditional
#value_indexed
REL_X
REL_Y
REL_Z
REL_RX
REL_RY
REL_RZ
REL_HWHEEL
REL_DIAL
REL_WHEEL
REL_MISC
REL_RESERVED
REL_WHEEL_HI_RES
REL_HWHEEL_HI_RES