On Fri, Mar 25, 2016 at 9:29 AM, Le Costaouec Vincent <[email protected]> wrote: > Thank for this quick answer, > > So I have remove the line > cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G > > In addition yes I have connected the PIN P9_29 (spi1_d0) and P9_30 (spi_d1) > And I'm trying to use the derek molloy program : > https://github.com/derekmolloy/exploringBB/tree/master/chp08/spi/spidev_test > > ./spidev_test -D /dev/spidev2.1 > > and also > > ./spidev_test -D /dev/spidev2.0 > > However I'm alway having the answer : > spi mode: 0 > bits per word: 8 > max speed: 500000 Hz (500 KHz) > > 00 00 00 00 00 00 > 00 00 00 00 00 00 > 00 00 00 00 00 00 > 00 00 00 00 00 00 > 00 00 00 00 00 00 > 00 00 00 00 00 00 > 00 00 > > And I'm supposed to received > bits per word: 8 > max speed: 500000 Hz (500 KHz) > > FF FF FF FF FF FF > 40 00 00 00 00 95 > FF FF FF FF FF FF > FF FF FF FF FF FF > FF FF FF FF FF FF > DE AD BE EF BA AD > F0 0D > I received this when I do that with SPI0 and connected P9_18(spi0_d0) and > P9_21(spi0_d1) > > So I still don't get where did the problem come.
Compare your cape dts with: https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-SPIDEV1-00A0.dts Regards, -- Robert Nelson https://rcn-ee.com/ -- 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.
