Compute the CRC32 checksum of a file. CRC32 checksums are used as part of NextPi's Persistent Cache.
This version uses Slicing-by-8 algorithm, by Intel - as found on https://sourceforge.net/projects/slicing-by-8/ and reasonable sized embedded lookup table to help the speed along.
Sent a file to the Raspberry Pi using the "NBN" 8bit, error correcting protocol while displaying optional progress bar.
Retrieve a file from the Raspberry Pi using the "NBN" 8bit, error correcting protocol while displaying optional progress bar.
Get the current version of NextPi that is running, write it to memory, print to screen, or both.