Tristate top-level ports, (was Hello World)

<snip>
>
> I submitted a Pull Request to fix that bug.

Josy,

Do you know which PR this was?

Regards,
Chris

> One observation: in your code you are actually using a TriState pin to
> drive.read the I2C_SDAT. In reality the SDa pin in the I2C is an
> opendrain, with a pull-up in the circuit. So you can only drive it *low*
> and keep it tristated otherwise.
>
> Regards,
>
> Josy



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