robot_detect.py 文件源码

def __init__(self, node_name, receive_topic, send_topic, virtual_off= None):
        FunctionUnit.__init__(self, node_name)    
        self._receive_topic = receive_topic
        self._send_topic = send_topic
        self._virtual = virtual_off
        self.br = CvBridge()
        self._virtual_send = FunctionUnit.create_send(self, virtual_off, Bool)