On Wednesday, November 04, 2015 at 04:19:45 PM, Aleksander Morgado wrote: > 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.
Can bit 31 be ever used for DATA instead of parity ? Or is this just me not understanding the parlance of the specification, where "DATA" actually means "DATA with parity" ? Best regards, Marek Vasut -- 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
