Hello, Were you successfully able to run the spidev test? What is your kernel version on BBAI?
Thanks Anand On Thu, Mar 18, 2021 at 3:27 AM set_ <fun...@gmail.com> wrote: > Anand! > > They did it again! The image has all the older items I was used to using! > Anyway, it works. I had a very old image on my AI which was obsolete... > > > - git clone https://github.com/beagleboard/BeagleBoard-DeviceTrees > - cd BeagleBoard-DeviceTrees && make > - git clone https://github.com/derekmolloy/exploringBB > - cd exploringBB/chp08/spi/spidev_test/ && nano (or your favorite > editor) spidev_test.c > - On line 32, change '/dev/spidev0.1' to '/dev/spidev1.1' > - Then... > - On your overlay that was made w/ make, C & P it in /boot/uEnv.txt > - The file is in BeagleBoard-DeviceTrees/src/arm/overlays/ > - It is called BBAI-SPI0_1.dtbo > - That should do it but first, reboot the board w/ sudo shutdown -r > now! > > That is what I was attempting in my gibberish earlier in my 2000 posts I > made but all along, I have this outdated image and was thinking I could do > it w/ the current config. > > Seth > On Tuesday, March 16, 2021 at 3:08:44 AM UTC-5 anandp...@gmail.com wrote: > >> I already tried with both spidev0 and spidev1. No luck. >> >> On Tue, 16 Mar 2021, 04:39 set_, <fun...@gmail.com> wrote: >> >>> Hello, >>> >>> Use SPIDEV0 and not SPIDEV1. I think this may get you closer to running >>> the test. >>> >>> Seth >>> On Thursday, March 11, 2021 at 11:45:50 AM UTC-6 anandp...@gmail.com >>> wrote: >>> >>>> An additional information: >>>> I can see the spi interfaces in the /dev/ folder. >>>> >>>> On Thursday, March 11, 2021 at 6:44:38 PM UTC+1 anandp...@gmail.com >>>> wrote: >>>> >>>>> Hi Everyone, >>>>> >>>>> I am trying to enable the spi interface on beaglebone AI. >>>>> I used the roboticscape device tree structure from the link below: >>>>> >>>>> https://github.com/beagleboard/BeagleBoard-DeviceTrees >>>>> The show-pins command shows that spi interface is up. However, when I >>>>> run the spidev_test, I receive a stream of 0's instead of actual data. >>>>> >>>>> I bridged the pins p9.29 and P9.30 before running the test. >>>>> Can anyone provide some solution to fix this issue? >>>>> >>>>> Thanks >>>>> Anand >>>>> >>>> -- >>> 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. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beagleboard/e071b9f6-be3a-44c7-9fed-b0d82d8a76f4n%40googlegroups.com >>> <https://groups.google.com/d/msgid/beagleboard/e071b9f6-be3a-44c7-9fed-b0d82d8a76f4n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > 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+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/90ae5fcb-3c62-41ab-a3fd-b8c9ba22564dn%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/90ae5fcb-3c62-41ab-a3fd-b8c9ba22564dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOw%2Bujw39epDE24hBaqy3YhXTbjS5sAEbLcQtRKGhuLzAtFr7g%40mail.gmail.com.
