code: func NewPing(TIME_USEC uint64, SEQ uint32, TARGET_SYSTEM uint8, TARGET_COMPONENT uint8) *Ping {
  	m := Ping{}
  	m.TIME_USEC = TIME_USEC
  	m.SEQ = SEQ
  	m.TARGET_SYSTEM = TARGET_SYSTEM
  	m.TARGET_COMPONENT = TARGET_COMPONENT
  	return &m
  }
docs: // NewPing returns a new Ping