code: def serverTickle(self, enable, timeout_millis=0, stay_lit=False, start_pos=0, end_pos=16):
          
          if ( self.dev == None ): return ''
          en = int(enable == True)
          timeout_time = int(timeout_millis/10)
          th = (timeout_time & 0xff00) >>8
          tl = timeout_time & 0x00ff
          st = int(stay_lit == True)
          buf = [REPORT_ID, ord('D'), en, th, tl, st, start_pos, end_pos, 0]
          self.write(buf)
docs: Enable/disable servertickle / serverdown watchdog
          :param: enable: Set True to enable serverTickle
          :param: timeout_millis: millisecs until servertickle is triggered
          :param: stay_lit: Set True to keep current color of blink(1), False to turn off
          :param: start_pos: Sub-pattern start position in whole color pattern
          :param: end_pos: Sub-pattern end position in whole color pattern