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The word displayed by the light change in zigbee does not change; var=(pData[12]) <<8|pData[13]; What does the code mean,

2022-09-23 08:21:38CSDN Q&A

I don't know why I define an integer value var
This is the point-to-point communication of the light control lattice
<50 shows the light intensity, else shows the weak light
But the light is greater than 50 or the light intensity is displayed

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