Device Crashes when Host Device goes to sleep/powers down

So, odd bug: the device will crash when the host goes into sleep/powers down.

The Display reads "USBerror: USB busy". Doesn't matter if USB memory is set to readonly or not, if usb_cdc is enabled, etc. It seems that any interactions with memory in the main loop while the Host device is in these power states causes the USB issue.

Code can be found here: https://github.com/LibertyBeta/macro_pady

Start by reviewing the linked macro_pady repository and reproducing the crash while the host device sleeps or powers down. Trace the USB and main-loop interactions described in the report; done means the device no longer crashes or displays "USBerror: USB busy" in those host power states.

Written by the indexing model from the issue text.