Under NDA. So, not in linux database. On Monday, February 12, 2018 at 5:07:37 PM UTC-8, Wulf Man wrote: > > what part > > On 2/12/2018 6:03 PM, Andrew P. Lentvorski wrote: > > I'm trying to communicate with an I2C chip which returns the length of the > bytes to be read in the first byte of the transaction. This is fairly > straightforward on most primitive microcontrollers. > > But for the life of me, I cannot figure out how to do this on Linux. A > "read" always wants to put a stop bit after the transaction. I see > "I2C_M_NOSTART" which is probably what I need for the data bytes, but I > don't see a corresponding I2C_M_NOSTOP which is what I need for the first > byte. > > Any help would be appreciated. Thanks. > > What I need is this transaction sequence: > > <START> <len byte:0x02><ACK>(PROBLEM HERE--master processes length > byte)<data byte:0x00><ACK><data_byte:0x01><NACK><STOP> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard...@googlegroups.com <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/2e7ae77f-21b3-46c2-9aff-4a32201bed55%40googlegroups.com > > <https://groups.google.com/d/msgid/beagleboard/2e7ae77f-21b3-46c2-9aff-4a32201bed55%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > >
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