I tried directly by copying and past this one, and I had still the same answer. In addition I have tried to monitor the different signal on the scope, nothing. Moreover, nothing new appears on the dmesg.
# dmesg |tail [ 18.828229] using random self ethernet address [ 18.832790] using random host ethernet address [ 18.837256] using host ethernet address: D0:39:72:31:1D:3B [ 18.842633] using self ethernet address: D0:39:72:31:1D:30 [ 18.886570] usb0: HOST MAC d0:39:72:31:1d:3b [ 18.909174] usb0: MAC d0:39:72:31:1d:30 [ 18.921832] using random self ethernet address [ 18.926391] using random host ethernet address [ 18.983303] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008 [ 18.990066] g_ether gadget: g_ether ready root@beagle01:~/labs/exploringBB/chp08/spi/spidev_test# dmesg | grep SPI [ 0.000000] Kernel command line: console=ttyO0,115200n8 bone_capemgr. enable_partno=BB-SPIDEV1 root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait [ 4.608333] bone_capemgr bone_capemgr: enabled_partno PARTNO 'BB-SPIDEV1' VER 'N/A' PR '0' [ 4.628986] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,BB-SPIDEV1' [ 4.645313] bone_capemgr bone_capemgr: slot #4: dtbo 'BB-SPIDEV1-00A0.dtbo' loaded; overlay id #0 Le vendredi 25 mars 2016 15:36:22 UTC+1, RobertCNelson a écrit : > > On Fri, Mar 25, 2016 at 9:29 AM, Le Costaouec Vincent > <vincent.l...@gmail.com <javascript:>> 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
