thanks a lot Robert you made my day ;-) For those who have the same problem as i had:
you have to open the file* /etc/default/capemgr* and add *CAPE=DM-GPIO-TEST * restart your bbb and your Device Tree Overlay will be loaded at Boot Am Donnerstag, 21. August 2014 13:39:34 UTC+2 schrieb RobertCNelson: > > On Thu, Aug 21, 2014 at 4:36 AM, halfbrain <[email protected] > <javascript:>> wrote: > > Hi there > > > > My goal is to connect 16 PEC11 Encoders to the BeagleBone Black. I'm > using > > this Library https://github.com/guyc/py-gaugette. And I'm running the > newest > > debian on my beaglebone. > > > > I created a new device tree overlay as Derek Moloy explained in this > video > > https://www.youtube.com/watch?v=wui_wU1AeQc setting my used gpios to > mode7 > > and I've also read this > > > https://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/device-tree-overlays > > > article about exporting device tree overlays. But I don't know how to > > manipulate the uEnv.txt correctly so that at Boottime my BBB uses only > my > > DTO. > > > > This is my uEnv.txt: > > > > ##Video: Uncomment to override: > > ##see: > > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/fb/modedb.txt > > > #kms_force_mode=video=HDMI-A-1:1024x768@60e > > > > ##Enable systemd > > systemd=quiet init=/lib/systemd/systemd > > > > ##BeagleBone Cape Overrides > > > > ##BeagleBone Black: > > ##Disable HDMI/eMMC > > > #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G > > > > > > ##Disable HDMI > > #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN > > > > ##Audio Cape (needs HDMI Audio disabled) > > #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI > > #cape_enable=capemgr.enable_partno=BB-BONE-AUDI-02 > > > > ##Example > > #cape_disable=capemgr.disable_partno= > > #cape_enable=capemgr.enable_partno= > > > > ##WIP: v3.14+ capes.. > > #cape=ttyO1 > > #cape= > > > > ##note: the eMMC flasher script relies on the next line > > mmcroot=UUID=fa05f7e9-337d-4eb2-bb58-5e2eee8baac7 ro > > mmcrootfstype=ext4 rootwait fixrtc > > > > ##These are needed to be compliant with Angstrom's 2013.06.20 u-boot. > > console=ttyO0,115200n8 > > > > kernel_file=zImage > > initrd_file=initrd.img > > > > loadaddr=0x82000000 > > initrd_addr=0x88080000 > > fdtaddr=0x88000000 > > > > initrd_high=0xffffffff > > fdt_high=0xffffffff > > > > loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${kernel_file} > > loadinitrd=load mmc ${mmcdev}:${mmcpart} ${initrd_addr} ${initrd_file}; > > setenv initrd_size ${filesize} > > loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdtaddr} /dtbs/${fdtfile} > > > > loadfiles=run loadkernel; run loadinitrd; run loadfdt > > mmcargs=setenv bootargs console=tty0 console=${console} ${optargs} > > ${cape_disable} ${cape_enable} ${kms_force_mode} root=${mmcroot} > > rootfstype=${mmcrootfsty$ > > > > uenvcmd=run loadfiles; run mmcargs; bootz ${loadaddr} > > ${initrd_addr}:${initrd_size} ${fdtaddr} > > capemgr.enable_partno=DM-GPIO-Test > > # > > > > I'dont know where excalty i should add > capemgr.enable_partno=DM-GPIO-Test. > > And do I also have to disable any other DTO? > > Explained here: > > http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Loading_custom_capes > > Regards, > > -- > Robert Nelson > http://www.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.
