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Altera_Forum's avatar
Altera_Forum
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20 years ago

How to specify 10Mbps and 100Mbps

Hi all, How and where can I specify which LAN connection I want to use: 10Mbps or 100 Mbps; full duplex or half duplex? I am using NIOS II 5.1 'simple socket server example' on NIOS II ...
Altera_Forum's avatar
Altera_Forum
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20 years ago

Take a look at the existing code (which sets the PHY to auto negotiate) and modify it. I&#39;ve already mentioned which file it&#39;s in... <components>/altera_avalon_lan91c111/UCOSII/src/altera_avalon_lan91c111.c

There&#39;s a section which starts with the comment 

/* Start the Auto Negotiation process */
/* Try to negotiate, we have a go at this five times if it fails */

You need to modify the code, in this section, to set the PHY to 10/Full. It appears that all of the masks that you&#39;ll need to do this are already provided...in the <components>/altera_avalon_lan91c111/inc/altera_avalon_lan91c111.h header file.

Best of luck!

- slacker