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PGA460-Q1: OWU通信方式

Part Number: PGA460-Q1
Other Parts Discussed in Thread: PGA460, ENERGIA, TIDA-01597, SN65HVDA100-Q1

我使用OWU通信方式控制PGA460,我想将数据通过串口的方式传输到PC端,但是串口一直显示ERROR - Did not receive measurement results!。

而且这个程序以前是可以用的。请问是怎么回事?