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Ben Avison authored
Detail: atomic_update_byte() is the equivalent of atomic_update() but deals with byte-wide rather than word-wide data fields. It operates using either SWPB or LDREXB/STREXB instructions, depending upon the architecture, and is therefore suitable for updating any modules which currently use SWPB explicitly in order to make them compatible with ARMv8 where the SWPB instruction has been removed. Admin: Tested on Raspberry Pi 3. Version 0.02. Tagged as 'SyncLib-0_02'
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