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Ille, Ondrej, Ing. authored
This was originally done to preload previous value to RECESSIVE because SOF state was always entered. Now it is not the case, and even sampling dominant during intermission (bit stuffing is not yet enabled), must be counted as first dominant bit in sequence. Otherwise receiver which does not send SOF, would insert stuff bit one bit later and would never be able to accept frame whose ID has first 4 bits DOMINANT!
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