Jack, Can I read your post to mean that the defaults are:
MOSI <-> SPIx_D0 MISO <-> SPIx_D1 in BBB lingo? The BBB RM is somewhat devoid of SPI information. The TI 3358 reference manual (SPRUH73I rev I, August 2013) shows the opposite on pages 4543 to 4544, figure 24-1 and table 24-4. It appears that D0/D1 are configurable. I do not care to configure it. I want it to just work the way I wire it, so I want the default. Is D0 MISO or MOSI by default? Cheers, Joe On Wednesday, March 21, 2012 5:09:39 AM UTC-4, Jack Mitchell wrote: > > Pins 18 and 21 are MISO (Master Input, Slave Output) and MOSI (Master > Output, Slave Input), what tying them together does it send the out from > your program, to the input of your program, hence you create a loop just > reading what you are writing! > > Hope that helps clear things up! > > Cheers, > > -- > Jack Mitchell > Embedded Systems Engineer > http://www.embed.me.uk > > On Wednesday, 21 March 2012 02:04:49 UTC, emb wrote: >> >> ah, thanks mr mitchell >> >> the step i was missing was tying pins 18 and 21 on P9... i'm still not >> sure (from reading BONE_SR.pdf) why this is needed...? >> >> anyways thanks again >> eb > > -- 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/groups/opt_out.
