SPI on the TM4C129x

[tcaxle]

Good afternoon.

I'm trying to implement SPI on the TM4C129x using this crate and I am wondering why the SPI module is not exported.

Is it pending further work or does it just need testing? I would be happy to contribute a PR for it but it would be nice to know some context first.

[thejpster]

Sorry, I haven't looked at these crates in years. Even when I did use them, I mainly used the TM4C123, not the 129.

If you want to make some changes then as long as you can test them I can review the PR.

[tcaxle]

No worries - please see PR #57 :)