code: def cmd_gimbal(self, args):
          '''control gimbal'''
          usage = 'Usage: gimbal <rate|point|roi|roivel|mode|status>'
          if len(args) == 0:
              print(usage)
              return
          if args[0] == 'rate':
              self.cmd_gimbal_rate(args[1:])
          elif args[0] == 'point':
              self.cmd_gimbal_point(args[1:])
          elif args[0] == 'roi':
              self.cmd_gimbal_roi(args[1:])
          elif args[0] == 'mode':
              self.cmd_gimbal_mode(args[1:])
          elif args[0] == 'status':
              self.cmd_gimbal_status(args[1:])
          elif args[0] == 'roivel':
              self.cmd_gimbal_roi_vel(args[1:]f cmd_gimbal(self, args):
          '''control gimbal'''
          usage = 'Usage: gimbal <rate|point|roi|roivel|mode|status>'
          if len(args) == 0:
              print(usage)
              return
          if args[0] == 'rate':
              self.cmd_gimbal_rate(args[1:])
          elif args[0] == 'point':
              self.cmd_gimbal_point(args[1:])
          elif args[0] == 'roi':
              self.cmd_gimbal_roi(args[1:])
          elif args[0] == 'mode':
              self.cmd_gimbal_mode(args[1:])
          elif args[0] == 'status':
              self.cmd_gimbal_status(args[1:])
          elif args[0] == 'roivel':
              self.cmd_gimbal_roi_vel(args[1:])
docs: control gimbal