From: Rafael Fiebig-Bindner <[email protected]> Reply-To: <[email protected]> Date: Friday, April 4, 2014 at 2:42 AM To: <[email protected]> Subject: [beagleboard] Re: SPI 2 input wires
> Screw the question above, I dug into the issue something more and now I wonder > if it is even possible? According to the processor data sheet it uses a shift > register, which is filled from one register for write and fills another > register for read. Now can I reverse this direction on the write command so it > fills both registers? You cannot. You have to use two SPI interfaces if you want to receive simultaneously or you have to use on SPI with two chip selects and then alternate the receiving of each channel. The way SPI works is that it shifts bits out of MOSI and simultaneously shifts bits into MISO. Regards, John > -- > 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 [email protected]. > For more options, visit https://groups.google.com/d/optout. -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
