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Initialization of ETH->MACMIIAR

Question asked by John Hite on Jun 6, 2017
Latest reply on Jun 6, 2017 by John Hite

Device: STM32F437

 

In file  stm32f4x7_eth.c on line 333 there is the statement:

    tmpreg = ETH->MACMIIAR;

 

However, nowhere do I find an initialization of this value before this access. And checking the value after breakpointing it is zero. But then I know very little about ethernet in general.

 

Thanks,

jh

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