大家好,我现在的项目是多个485主机发送数据到控制台。问题是不知道哪个主机什么时候发送数据,所以现在要做的就是当其中一个主机往485总线上发送数据的时候,通知其他主机,我在发送数据。这个应该怎么做啊。
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