On Wed, Nov 4, 2015 at 4:18 PM, Vostrikov Andrey <andrey.vostri...@cogentembedded.com> wrote: >>> > About the parity -- can we add some flag into the datagram to indicate we >>> > want hardware to calculate the parity for that particular datagram for >>> > us? And we'd also need to indicate what type of parity. I dunno if this >>> > is worth the hassle. >>> >>> This is HW configuration property, it does not belong to datagram. Also >>> for TX channels, parity could be two kinds: odd and even, for RX it >>> is only on/off. > >> There are datagrams which do contain parity and ones which do not contain it, >> correct ? Thus, it's a property of that particular datagram.
All ARINC words have bit #31 as parity bit; whether it's used or not depends on the setup as Andrey says below. > For RX side it is both: datagram and HW (is it checked by receiver or > not) > But for TX side it is HW property of transmitter, either OFF or ON (odd or > even). -- Aleksander https://aleksander.es -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
