touchscreen.py 文件源码

def refresh(self):
        try:
            self.event_queue = pygame.event.get()
            self.screen.fill(self.black)
            self.blitSensorValues()
            self.blitDesiredUI()
            pygame.display.update()
        except Exception as e:
            rospy.logwarn("Refresh crashed. Error: {}".format(e))