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This is related to the previous commit (where due to the new config flag this loop could end up stuck indefinitely if the USB host was disconnected). The previous loop could maybe still get stuck if the low-level USB state and the high-level USB state got out of sync. (Not clearly possible, but hard to say definitely not possible.) To be "belts and braces" careful: - Always run mp_usbd_task() each time around the loop to progress the state. - Always evaluate the timeout if we fail to write anything to the FIFO. This work was funded through GitHub Sponsors. Signed-off-by: Angus Gratton <angus@redyak.com.au>
This directory contains libraries, utilities and helper code developed specifically for this project. The code is intended to be portable and usable by any port.