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Valued Contributor III
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Trispeed Ethernet: Do I have to manually include preamble and SFD?

Hi, as the title says, for an Ethernet transfer, which packets lands on the SOP? Is it the start of the preamble or MAC destination address?  

 

Thanks for your time. 

 

ap29
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Valued Contributor III
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Hi, 

 

When you write your program, you would start with the MAC destination address. Check this link https://gist.github.com/austinmarton/1922600

The socket commands add the preamble and SFD. On the receiver side, the TSE MAC strips the SFD and Preamble, so you would see SOP on the first byte of the destination address. 

 

Divya
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Valued Contributor III
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--- Quote Start ---  

Hi, 

 

When you write your program, you would start with the MAC destination address. Check this link https://gist.github.com/austinmarton/1922600

The socket commands add the preamble and SFD. On the receiver side, the TSE MAC strips the SFD and Preamble, so you would see SOP on the first byte of the destination address. 

 

Divya 

--- Quote End ---  

 

 

Thanks for the reply, will adjust my design accordingly.
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