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Altera_Forum
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21 years ago

Lan91c111 daughtercard support for NiosII

I am looking at modifying the NiosII ethernet examples to support the reduced pin configuration (only 24pins vs 72) of the Lan91C111 daughtercard that altera seems to have abandoned. QuartusII4.1 su...
Altera_Forum's avatar
Altera_Forum
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21 years ago

tns asked

"Is it possible for users to add new components to the NiosII HAL?."

Yes, and if you look in the Nios II Software Developers Handbook Chapter 5 tells you how to go about this.

"I know that this card worked under NiosI, but with different drivers/sw. Is anyone familiar with this card, or if the hw module for this configuration should work under NiosII/uCos/Lwip once a proper driver is written? "

It should be possible to modify the existing driver to work with this card. If you modify the existing driver then from memory I think you need to look at the routines which transfer data to/from the lan91c.