Regarding previous post (Multiple PWM), I'm running Debian 9 -- Linux arm
4.9.61-bone8
thx
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Hello,
I'm trying to use 3 PWM channels for RGB Led control -- I can install one
overlay successfully & drive a (single color) LED changing the period &
duty cycle.
*root@arm:~# sudo echo BB-PWM0 >
/sys/devices/platform/bone_capemgr/slots
Hi William,
Thanks a lot for the reply -- very helpful.
It does bring up another question -- are there environmental variables set
up (by default) by U-boot which may (or may not) be over written by
uEnv.txt stage 1 or 2?
regards, Rich..
On Friday, July 1, 2016 at 8:01:09 PM UTC-4,
By adding this argument pair to 'bootargs', the kernel 'found' the
initramfs file..
* initrd=${rdaddr},0x${rdsize}*
where *rdaddr* is 0x8808 and *rdsize* is the size of the initramfs
file. I don't know why it had to be explicitly set where it was not
necessary before.
Hi,
Per Robert Nelson's eewiki site, I have a running BBB running
4.4.11-bone10.1 version (single partition model);
*initrd.img-4.4.11-bone10.1* is in /boot. A previous version, 4.4.1-bone5,
indicated that initramfs was installed (two partition model)---
[3.484281] Unpacking
initramfs...
Hi,
Using Robert Nelson's eewiki site, I'm running 4.4.11-bone10.1 (single
parition) on my BBB via SD; *initrd.img-4.4.11-bone10.1* in built and in
/boot. I don't see evidence that the initrd.img was detected/mounted. A
previous version built earlier this year (4.4.1-bone5) (two partitions)
Hi,
My BBB stack has a 4.3" LCD cape -- powerup diagnostics (dmesg) indicated
the cape was found OK & brightness worked Ok. I was unable to view
(startup) text on the display. (Ver 4.4.1-bone11). After a few days of
debug, I found that the MuxPins were not properly updated and were still
