Try
sudo echo BB-PWM1 > /sys/devices/platform/bone_capemgr/slots
You can decompile the dtb by
dtc -@ -I dtb -O dtc -o BB-BONE-LCD4-01-00A1.dts BB-BONE-LCD4-01-00A1.dtbo
Chad
On 5/11/2017 2:50 AM, Beagle Boner wrote:
Hi there,
I´m using Debian Jessie 8.7 (Kernel 4.4.54) on my BBB. In the long-run
I want to connect a LCD Display via the 16Bit Interface to the BBB. So
I have to disabled the HDMI (Audio/Video) by uncommenting this in the
uEnv.txt right?
##BeagleBone Black: HDMI (Audio/Video) disabled:
dtb=am335x-boneblack-emmc-overlay.dtb
I also commented this line.
#In the event of edid real failures, uncomment this next line:
#cmdline=coherent_pool=1M net.ifnames=0 quiet cape_universal=enable
video=HDMI-A-1:1024x768@60e
But for now I try to load anything to my slotsfile,for example the
PWM, but it seems like nothing happens:
debian@beaglebone:/lib/firmware$ export
SLOTS=/sys/devices/platform/bone_capemgr/slots
debian@beaglebone:/lib/firmware$ sudo echo "BB-PWM1-00A0.dtbo > $SLOTS"
BB-PWM1-00A0.dtbo > /sys/devices/platform/bone_capemgr/slots
When I cat the slotsfile, nothing is loaded.
debian@beaglebone:/lib/firmware$ cat $SLOTS
0: PF---- -1
1: PF---- -1
2: PF---- -1
3: PF---- -1
What am I doing wrong?
To connect a 4.3" LCD (it´s not a cape) to my BBB I have to load a LCD
overlay, for example the "BB-BONE-LCD4-01-00A1.dtbo", which my 4D
Systems LCD Cape uses, right? Can I adapt that dtbo to make it work
with my non-cape display?
Cheers,
Max
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Chad Baker Memphis, TN
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