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一:I2C的单独写操作无问题
二:I2C读操作异常,根据ti的底层案例编写,一个transaction发送异常。
但是用逻辑分析仪查看,发现写的寄存器都跟我传入的0X0F寄存器不符,而且无读操作。
三:通过写操作再读操作,第一次读没问题,第二次再读就异常。
正常:
异常: