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协调器串口显示的问题

我有三个终端,同时给协调器发送给数据,协调器接收到后,显示再串口上。

问题:可能协调器显示终端1的数据,显示一半的时候,会被打断,因为接收到了终端2或3的数据,导致串口打印的信息有些不完整

这个该怎么办