[beagleboard] Re: watchdog messages clutter up serial console

['Barry Day' via BeagleBoard]

Try raising your console log level. I usually have my set to -

# echo 3 4 1 7 > /proc/sys/kernel/printk

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[beagleboard] Re: Realtek USB Wifi problems

['Barry Day' via BeagleBoard]

On Sunday, May 14, 2017 at 5:02:47 AM UTC+10, acheesehead wrote:
>
> I have a BBB running Angstrom 3.8.13. I have a Realtek USB Wifi, lsusb 
> shows
> Bus 002 Device 004: ID 0bda:818b Realtek Semiconductor Corp.
>
>
> That's an 8192eu, not an 8192cu 

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[beagleboard] Re: Wifi problems

['Barry Day' via BeagleBoard]

rtl_usb is buggy. The fact anything that depends on it works, e.g. 
rtl8192cu, is nothing more than a fluke. And there's no point fixing it 
because it's being replaced by rtl8xxxu. 
You could try blacklisting rtl8192cu so rtl8xxxu is loaded. It was a very 
new driver back in kernel 4.4 but may work well enough although you may 
still
have problems with connection dropping out. There was a bug in rtl8xxxu 
that only affected certain chipsets that existed up till around December 
2016
when I reported the cause to the maintainer.

For any realtek usb wifi dongles, if a person is up to the task,  I 
recommend blacklisting the in-kernel drivers, compiling and using the 
original realtek supplied driver instead. 

Even with rtl8xxxu, you won't get as good as performance as the original 
realtek driver and without documentation for the chipsets I can't see that
changing anytime soon. 


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[beagleboard] Re: Cape issue

['Barry Day' via BeagleBoard]

First thing I would do is loop back tests on both ends so I know for 
certain what is working and what is not. 

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[beagleboard] Re: Anyone using 4D System's 7in LCD cape?

['Barry Day' via BeagleBoard]

max brightness is 100 so for half brightness:
$ sudo echo 50 > /sys/class/backlight/backlight.11/brightness

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[beagleboard] Re: an initial success; beagle bone black + 7" LCD touchscreen cape a very nice/awesome combo

['Barry Day' via BeagleBoard]

I have the same cape mounted to a stand I made using the plastic tongue 
from tongue and groove chipboard. Very nifty but the power led is way too 
bright. 

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[beagleboard] Re: Running multiple scripts in parallel at Boot up.

['Barry Day' via BeagleBoard]

GNU Parallel  

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[beagleboard] Re: WLAN0 and ETH0

['Barry Day' via BeagleBoard]

Missing an i on iface

#iface wlan0 inet dhcp

> face wlan0 inet static
> wpa-ssid SSID NAME
> wpa-psk SSID PASSKEY
> address 192.168.0.21
> netmask 255.255.255.0
> gateway 192.168.0.1
> dns-nameservers 8.8.8.8
>
>
>

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[beagleboard] Re: SPI BBB Master, BBB Slave

['Barry Day' via BeagleBoard]

As far as I know Linux still only supports the master side of SPI. 
You will have to bitbang it if you want a bbb SPI slave.


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[beagleboard] Re: CPU usage is ~100% on BBB most of the times: is it ok?

['Barry Day' via BeagleBoard]

It's not something I would recommend but on the other hand I've got a bbb 
in a cabinet in an industrial shed running at near 100% cpu usage 24/7 and 
has been for about a couple of months. I haven't noticed it getting warm 
and it's still working fine. 

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[beagleboard] Re: PRU Peripheral Registers Offsets

['Barry Day' via BeagleBoard]

Simplest way would be to use the UART integrated in the PRUSS as it uses 
the same pins as UART1. Use the register offsets given in the PRU Reference 
Manual

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[beagleboard] Making jewelry using a BeagleBone Black

['Barry Day' via BeagleBoard]

Autodesk have open sourced their stereo lithography 3d printer. It uses a 
clone of the BeagleBone Black.

ember-open-source-electronics-and-firmware 


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[beagleboard] Re: PRU Peripheral Registers Offsets

['Barry Day' via BeagleBoard]

they are different because they are different peripherals. offset 0x34 is 
for an integrated peripheral in the PRUSS. The other register offsets are 
for the UART/ IrDA module.

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[beagleboard] Re: safe use of io pins

['Barry Day' via BeagleBoard]

At reset, all GPIO pins are configured as inputs. 

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[beagleboard] Re: Advice for displaying graphics

['Barry Day' via BeagleBoard]

Just for the fun of it, currently have the SDL animatesprite example 
running in a virtual console on a 4d systems 7 LCD cape using SDL1.2 

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[beagleboard] Re: Advice for displaying graphics

['Barry Day' via BeagleBoard]

SDL, GTK, cairo... take your pick. they will all wok.

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[beagleboard] Re: BeagleBone Enhanced

['Barry Day' via BeagleBoard]

5V tolerant io

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[beagleboard] Re: Success using beaglebone as a product and what do you use your beaglebone for

['Barry Day' via BeagleBoard]

setting the ink zones on lithographic printers

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[beagleboard] Re: very quick questions: startup of lxde, exports, usb babble, and shutdown

['Barry Day' via BeagleBoard]

To boot to a console rename /etc/rc2.d/@S04lightdm to @K04lightdm
There is no startx in the debian that comes preinstalled with bbb.

On Tuesday, December 9, 2014 5:46:24 PM UTC+10, ivo welch wrote:


 dear bbb experts:

 robert nelson's debian-lxde-7.7 image

 [1] is it possible first to boot to a console, and then to start lxde with 
 startx?  (I looked for /etc/init.d/lx*, but there was nothing there.)

 [2] the mass storage driver exports its BEAGLEBONE partition, seemingly as 
 a whole device (not as a partition).  thus, the host computer mounts 
 /dev/sdb (if there is only one other sda) with the BBB's 96MB partition.  I 
 looked in /etc/* whether I could find what enables this behavior, but 
 failed.

 [3] the log tells me about musb Babble interrupts to its host (powering) 
 computer.  I have tried this on multiple bbb's and cables.  is this 
 normal? (I also wonder if there could still be some gremlins in the USB 
 drivers.  if I plug a keyboard into the host bbb port, and then I try a 
 couple of times to insert/remove the BBB gadget port connection, it doesn't 
 connect the mass storage any longer.  maybe the keyboard is defective, but 
 the ports are different.)

 [4] how does lxde shut down?  the command line shutdown now and reboot 
 -p do not do it for me.  but the gui lxde powerdown does.

 /iaw



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Re: [beagleboard] monitor fb (flickering and resolution) on ubuntu 13.10 vs 14.04

['Barry Day' via BeagleBoard]

Are the /etc/fb.mode files the same on both versions?

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Re: [beagleboard] Re: Coding with C/C++ directly on Beaglebone, via IDE?

['Barry Day' via BeagleBoard]

with mc I can connect to another machine, edit remote files, move files 
between machines, peek inside and expand compressed files, etc, all without 
typing anything on a command line. And it's editor has syntax 
highlighting.  

On Sunday, November 16, 2014 10:24:54 PM UTC+10, William Hermans wrote:

 ug, midnight commander reminds me of the old dosshell, which was fine, for 
 1994 . . .

 Now days we have wonderful technologies such as Samba, NFS, and syntax 
 highlighting editors. So we can do weird things like:

 boot our dev boards via NFS.
 Share a sub directory of the NFS share out via Samba.
 Write code on another system, via the Samba share, as if it were a local 
 file.
 Compile natively on the dev board.

 Imagine that !



  

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