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DS90UB925QSEVB: DS90UB925/DS90UB948 I2C通信问题

Part Number: DS90UB925QSEVB

925/926工作在repeater模式下,现在触屏能够显示图像,我想让主机能够接收到触屏的触摸数据(触摸数据走的是I2C),并且还能在925和926之间的I2C上读到触摸数据。但我现在发现925和926之间的I2C上并没有数据,在此过程中没有对寄存器进行过配置。

我的需求:在主机能够接收到触摸数据的同时,我能从925/948之间的I2C上读取到触摸数据。

我该进行哪些配置呢?