nRF52: update usb with new variant #3438
Merged
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Pull Request Overview
As you know, I have a newer variant of the nRF52, and this PR updates the USB driver to handle the newer variant.
Specifically there are now revisions 4 and 5 in the undocumented registers (REVE and REVF) and I went through the errata to ensure 1) there are not new errata and 2) that the old errata still apply.
While I was here I also want to update the commented out code for the debug functions so they are easier to turn on when needed.
Testing Strategy
I have verified I can use the USB stack on the new variant.
TODO or Help Wanted
n/a
Documentation Updated
/docs
, or no updates are required.Formatting
make prepush
.