- addr
: EV3_PORT
, EV3_SENSOR
, EV3_SERVO
- data_size
: EV3_MESSAGE_HEADER
- extport
: EV3_DC
, EV3_PORT
, EV3_SENSOR
, EV3_SERVO
, EV3_TACHO
- fn_size
: EV3_MESSAGE_HEADER
- id
: EV3_MESSAGE_HEADER
- port
: EV3_DC
, EV3_PORT
, EV3_SENSOR
, EV3_SERVO
, EV3_TACHO
- pos
: EV3_MULTI_WRITE_SUBHEADER
- sn
: EV3_MULTI_WRITE_SUBHEADER
- type
: EV3_MESSAGE_HEADER
- type_inx
: EV3_DC
, EV3_PORT
, EV3_SENSOR
, EV3_SERVO
, EV3_TACHO