got hardware to conduct level conversion on that pin to bring it to
3.3V which works. Additionally both devices are in SPI mode 1.
I'm just out of ideas as to what could be wrong. Any suggestions?
cheers
Peter
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Hi
linked up an arduino as an SPI Slave to a BBB as master using SPI1.0.
I can get the two to communicate fine when the BBB is writing to the
Arduino, however, when it reads data from the arduino it is not correctly
reading what is returned. For example the Arduino is returning (as
confirmed
accept SPI speeds
up to Fosc/2 or 8MHz.
Other, single chip, devices are sometimes lower than that around 1MHz.
I doubt you will find an SPI operating at GHz speeds.
Peter
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Yep you're correct.
I found this info in a previous post you may have answered, and it does the
job.
cheers
Peter
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This is a duplicate, the issue is resolved
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.
Should the power led turn off or flicker when either the power button or
reset button is pressed? Because it doesn't seem to.
cheers
Peter
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Have you got a 5V power supply? I found that although a USB connection lit
up all the lights, it didn't work properly until I connected the 5V power
supply.
On Friday, 15 May 2015 12:12:08 UTC+1, Mehreen wrote:
I have Windows 7 and Ubuntu 14.04 on VM installed on my computer. I have
Thankyou, worked for me :-)
On Friday, July 11, 2014 at 11:26:17 PM UTC+9:30, Dirk Koopman wrote:
>
>
>
> Replace the existing /etc/init.d/led_aging.sh script with:
>
> #!/bin/sh -e
> ### BEGIN INIT INFO
> # Provides: led_aging.sh
> # Required-Start:$local_fs
> # Required-Stop:
-angstrom but used beaglebone
as target.
http://beagleboard.org/project/angstrom/ mentions cloud9-gnome-image
(cloud9-image got somewhere else?)
Regards
/Peter
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tricks to getting this working?How do I know if it is a
DirectFB (buildroot) problem or a linux 3.10.6 problem.
Peter
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I guess I would argue that with 16 bits the counter can count up to 65535 and
wrap around after 65536 counts of 128ns max. That gives a max period of the PWM
of 8.39ms and a min frequency of 119Hz - I think. But it has been a long day,
so I might very well be very wrong ;-)
Peter
well, the camera cape and radium board's modified image is working. I went
from a class 2 to a class 4 uSD. No idea if that was the fix. I also
re-downloaded the image and went thru trying to get it booted again. I
disconnected everything except an HDMI cord and the 5V 2.5 DC barrel plug,
On 11/04/14 15:03, C Hedstrom wrote:
I keep seeing numbers like 10,000 shipped since January, and Adafruit had
three (3) for sale a week ago and already sold out. Where on earth did all
these BBB go?
You may want to read the thread 'Availability - how come nobody has any
BeagleBone Black to
Hi, thanks for the reply. I also noticed something else which might be
related: To synchronize both PRU's, one sends every 250 clock cycles some
data with a command
XOUT 10,r13,4
which the other receives via
XIN 10,r13,4.
This works well. If however i mismatch the registers, that is i combine
Hi,
FWIW I got an email overnight (4am Aussie time) saying Adafruit had
restocked.
By the time I'd woken up and got to my computer about 4 hours later,
they'd sold out. I note that Sparkfun have also sold out.
I did have email notifications set up from Element 14, but I've not
heard about
' seems non-existent, and I find it
hard to imagine that the 'Board' (a) isn't shipped in a box (b) costs
$15 more for not having a box or USB cable.
I don't get it.
Pete.
On Thu, Jun 12, 2014 at 3:49 PM, Peter Lawler blee...@gmail.com wrote:
Hi,
FWIW I got an email overnight (4am
Did this ever get fixed? I'm running a 3.14 archlinux arm kernel and am
running into the same problem. Which image is the 5_08 image?
Thanks a lot,
Peter Chinetti
On Wednesday, June 26, 2013 5:34:25 PM UTC-4, Gerald wrote:
We did. It does not work.
5_08 image does however work
which has a size of 2GB?
What can i do?
Greetings, Peter
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I'm trying to get a good development system up and running for Beaglebone Black
and Ubuntu.
The goal is to launch an embedded GUI application on a LCD cape on boot.
The application will control a hardware project and that is all it does. So it
will be a special purpose device, not a general
The problem is the mono runtime.
It is not supported in Ubuntu 14.04.
You might try Arch Arm Linux, it supports the mono runtime. I couldn't get the
desktop to work on my beaglebone black rev b.
I tried to get Debian Jessie to work. It supports the mono runtime. However,
I couldn't get the
I had success getting QT creator to work using older versions.
Ubuntu 12.04 (precise) works. You can load the console version, load the
desktop (sudo apt-get install ubuntu-desktop).
Use the software center to install QT Creator.
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What version of Ubuntu are you running?
I believe 14.04 doesn't support mono.
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Hi Mirko,
How did you get rid of the X server dependencies?
I'm using QT Creator. Building a new QT application seems to require X server.
On a headless version of Ubuntu 14.04 I can get the pre-compiled demos to work
using -platform linuxfb
However, my custom compiled code bombs out trying to
Hi Conrad,
Did you get Java working on BBB?
I have a BBB rev B. How big is your deployment image? Will it fit in the 2gb
space?
I'm curious if I develop an swing java application in Windows using IntelliJ
if it will run on the BBB.
Do you have to develop you applications on the BBB for it to
Wayland! That's what I was missing.
I was installing ubuntu-desktop.
Looks like I'll be flashing a new image tonight and giving it a try.
Thanks!
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Ok, where does one get qtwayland?
It is not a part of the normal distribution repositories
Nor is it in ubuntu-sdk-team/ppa
I saw some references on how to download and compile it.
Is that my only option?
Do any of the desktops in the normal distribution work or are they all X
desktops?
Thanks for all the great info.
I was in the process of testing lxde (Lightweight X11 desktop environment)
as of my last post
It works quite well.
I installed bone-ubuntu-14.04-console-armhf-2014-08-13-2gb.img.xz onto a SD
card
I installed the SGX drivers as described
at
Performance is not as good as my 2014 MacBook Pro, but it is not too bad.
I'm running on a 16gb SD card with 1gb swap (swappiness=0)
The mouse moves well.
You can expect a half second to second to launch applications.
QT Designer is responsive.
Navigation and dialogs pop up quickly.
It takes about
The mono runtime for arm hard float isn't packaged with Ubuntu 14.04 ( last
time I checked ).
It's been a while since I tried to get mono apps running on BBB, so my info may
be out of date.
I've seen posts where people have been able to download the mono runtime source
and compile it.
Arch
I've set up a cross compiler under Ubuntu 14.04 32 bit x86 in VMWare on my mac.
I built the QT 5.3 source using Lenaro hard float gcc.
I set up the kit for cross compiling using QT Creator and could remotely deploy
console applications fine.
I ran into problems getting QT graphics applications to
I had a similar problem running the QT demo Fingerpaint using the linux frame
buffer (-platform linuxfb)
It turned out I did not have permissions to read the /dev/input/event*
Try running the app as root or launch using sudo
If that solves the problem, change the group for /dev/input/event* and
I did not try -platform eglfs
However, I did get QT applications running under lxde desktop, Ubuntu
Designer (qtdelarative-ubuntu-ui-toolkit-plugin)
It was very... very... slow.
Dragging UI elements to the designer window was painful.
So much for that experiment.
However, I did learn a lot from
This seems new:
I flashed the latest ubuntu console image to my
BBB: BBB-eMMC-flasher-ubuntu-14.04-console-armhf-2014-08-13-2gb.img
I update the repositories upgrade (sudo apt-get install update, sudo
apt-get upgrade)
I then follow the instructions to update to the special SGX kernel. git
I'm trying to get the minimum installed on debian 7.6 console to run
boot-to-qt applications.
I'd like to get the TI SGX graphics OGLES2 up and running for my LCD cape
(4DCAPE-43).
I also have a USB sound device.
I got very close to getting a good minimal environment working in ubuntu
14.04
Thanks for the good advice.
I installed the latest version of the 3.14 kernel
(linux-image-3.14.17-bone8) and the apt-get install worked great.
I'm in the process of building the SGX driver on a x86 debian image (my
ubuntu 14.04 LS build wouldn't work)
I'll update with the dependency list as I
Got it. Thanks!
I installed 3.14.19-ti-r22.
On reboot, it did not initialize the 4DCAPE-43
I modified the /boot/uEnv.txt to use am335x-boneblack-4dcape-43t.dtb.
It still does not use the LCD cape, but I can ssh into the board.
Is there something I need to build to create the dtb file?
Reading the
That did it! Thank you!
LCD cape is up and running.
Now to install the compiled GFX_5.01.01.01.tar.gz...
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I've unpackaged the compiled
GFX_5.01.01.01.tar.gz
into the root directory.
Now I get:
debian@beaglebone:/opt/gfxinstall$ sudo ./sgx-install.sh
./sgx-install.sh: 29: ./sgx-install.sh: lsb_release: not found
Am I missing something in the /opt/scripts/tools directory?
I still can't git
that was the only missing dependency.
The install script ran.
However, on reboot I did not see the installed packages.
lsmod | grep omaplfb
did not show any packages installed.
I ran the install a couple of ties to make sure.
Is there a log file I can attach to see what is failing?
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Cool beans!
So, when do the repositories get updated for a kernel patch?
Do I just:
sudo apt-get update
sudo apt-get upgrade
and the patch will get applied? (not yet if so, maybe it takes time to
propagate)
Or, will it get applied the next time I build a new system and add the
kernel (looked
Now my expectations are set.
I'll wait for the build to complete.
Then I'll look into the rest of the build / deploy.
Awesome work!
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Chameleon man runs again!
First time I've seen it on my LCD cape.
It looks great.
Thank you for getting it going!
Now to get the qt5 embedded library compiled with OpenGL es2 asla sound!
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Don't forget the USB!
You can always use USB X10 controller and X10 modules and your greenhouse
electrical wiring to turn on / off devices.
That can control your high current / high voltage needs without using a
cape.
That leaves sensors feedback.
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Would flashing the console only version of Debian to the beaglebone work?
It has no x-server code loaded and is a very small footprint.
You can use apt-get install to add things as necessary.
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I'm not sure what you mean by surround view/adas. They're both forward
facing and will be fixed in position to try to eliminate any possible
alignment issues.
I can't see that the ISP is necessary for all image processing. If so that
would make the Black completely incompatible with any sort
So, I got a cheap FM USB radio tuner. The InstantFM Music USB modules from
ADS.
I plug it into the BBB running kernel 3.14.19-ti-r24
I try running the QT 5.3.2 example for radio, but it fails to detect a
tuner.
Is there a kernel build that supports kernel option radio-usb-si470x?
Or, do I
I'm putting together a wifi only networked project.
It works, but the wifi takes a long time to connect during boot.
If the network cable is connected and I'm not using wifi, it boots within
seconds.
If the network is not connected and it boots and connects to my wifi
router, it takes about a
OK, so you apparently do need to build the kernel and add radio support.
I added the option for Silicon labs Si470x USB radio and re-built the
kernel. (3.14.19-ti-r27 this time)
I deployed the new kernel to the BBB and it now has a /dev/radio0 directory.
However, qt 5.3.2 doesn't see it (I'm
Not much luck.
As far as I can tell, it should be working.
I installed the console radio application on BBB and it will scan stations,
but never detects any.
I tried to get it work work on the BBB, Linux VM on my mac, a Windows 7 VM
on the mac and the mac itself.
No luck.
Hopefully someone else
You can design your custom cage using any CAD program that exports STL files.
You can send the STL to a service like ShapeWays to have it 3D printed and
shipped to you.
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I had problems getting cross compile to work.
The kernel needed for ti graphics was different than the linaro toolchain,
so my cross compile failed even when I specified sysroot as the SD card.
So, I built the whole thing on the beaglebone.
To develop applications, I installed QT Creator on a x86
On the BBB you can type:
ip addr show
and it will list all network devices and the ip address for each one.
Then you can ssh into the BBB using
ssh debian@192.168.1.???
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I am running a compiled version of the kernel (I needed radio capability
eventually, it is not currently plugged in)
uname -a gives me:
Linux beaglebone 3.14.19-ti-r27 #1 SMP PREEMPT Thu Oct 2 10:30:30 CDT 2014
armv7l GNU/Linux
I have a 4 port 2.0 hub attached to the USB port.
It has:
usb
I found some new information and got it to work better, but not quite.
It looks like this is an OSS device, so you need alsa-oss.
This creates the /dev/dsp and /dev/dsp1 files.
Also, since I have USB sound and USB radio tuner, the system doesn't know which
should be primary.
It wants to choose
I think my problem is power related.
I'm using a self-powered hub.
I think that limits me to less than 400ma across all devices.
Keyboard - 150ma
WiFi - 250ma
USB sound - 200ma
USB radio tuner - 200ma
Over 800ma at peak use.
I need a powered hub.
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Can you plug it into a TV?
It will detect the capabilities of the monitor / TV it is plugged into.
It may be trying to output a resolution / refresh frequency the monitor
can't handle, but the TV will be at a lower resolution.
At least you will be able to see the screen.
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It works!
The trick was: The firmware was bricked and needed to be restarted
(unplugged plugged back in after the system was configured started up).
Once I got it restarted, I could power down up and it would continue to
work.
So, the trick to getting this device to work on the Beaglebone
A,
Here I was thinking I was so clever!
So, just installing the kernel linux-image-3.14.19-ti-r28 will have the
si470x module loaded by default? Sweet!
I'm glad it is baked into the new release now.
Makes setting it up much easier.
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Try connecting to the TV without the VGA adapter.
Hopefully your TV or VCR has HDMI inputs.
Most modern monitors have HDMI inputs too.
The idea is to get it up and visible so you can adjust the resolution to a
lower one you know the VGA can handle.
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There is a way to force the HDMI while it is running.
Do a google,search for: beaglebone HDMI
Here is an excerpt:
Forcing A Resolution
It is possible to force a resolution to be used by the board. The availble
resolutions will however, be limited to those that have been determined to work
by
I'm looking for a package to install on a Debian Beaglebone Black for wifi
location services.
I would like it to use the IP address of the wifi connection to get the address
or geolocation.
I will use it to determine what time zone the Beaglebone is currently in.
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. But , with gpio , it
can only generate 1 or 0 ,totally different raspi FM
2014-09-30 13:11 GMT+08:00 Peter Fearing pcfe...@gmail.com javascript:
:
I'm not sure what you mean by surround view/adas. They're both forward
facing and will be fixed in position to try to eliminate any possible
If you are planning on plugging in multiple devices I'd suggest getting a
powered hub.
I've had good luck with a plugable USB 2.0 4 port hub. $17 on amazon with
free shipping.
It comes with a 2.5 amp power supply that can run the Beaglebone Black and
the hub (splice in power lines plug)
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I'm running Debian 7.6 Console - no desktop loaded, just console
applications
Linux beaglebone 3.14.19-ti-r28 #1 SMP PREEMPT Wed Oct 8 00:34:37 UTC 2014
armv7l GNU/Linux
Running character applications like alsaplayer do not display the same on
the LCD console as when I'm running a ssh
przemek.klosow...@gmail.com wrote:
On Wed, Oct 8, 2014 at 6:29 PM, Peter Fearing pcfear...@gmail.com
javascript:_e(%7B%7D,'cvml','pcfear...@gmail.com'); wrote:
A possibility we considered briefly was using the USB port for one camera
and the microUSB for the other. Does that seem feasible
I should be able to find the answer to this, but I can't.
Almost all the dialogs for lxde are larger than the LCD screen at 480x272.
Is there a way to tell Debian I have a small screen and pop up scroll bars
to reach the off-screen parts?
When I tab or arrow key off screen, it just goes off
Unless I'm way off base, it looks like the LCD driver is using the frame
buffer to determine the resolution of the screen.
Here is my xorg.conf file:
Section Monitor
Identifier Builtin Default Monitor
EndSection
Section Device
Identifier Builtin Default fbdev
Perhaps I should clarify,
Is changing the font size the only option to get the system dialogs usable
on the display?
I Like the font size, If it goes too small to fit everything on the screen,
it will be unreadable.
I'd be happy with a virtual screen that scrolls to the active field or
allows
It looks like it is running, just the HDMI is turned off.
You should be able to ssh into it through the USB cable and modify the uEnv.txt
to re-enable the HDMI.
Or, plug the SD card into a computer, modify the uEnv.txt on the computer.
It may be bypassing the SD card when it boots. Are you
I've been googling and watching device tree tutorials... all targeted at
3.8 kernel.
This is great for learning the basics, but I have 3.14 kernel: Linux
beaglebone 3.14.19-ti-r30 #1 SMP PREEMPT Mon Oct 13 20:34:06 UTC 2014
armv7l GNU/Linux
From what I can find, the friendly device tree tools
I just saw the post below mine (how did I miss it before?) that mentioned
https://github.com/cdsteinkuehler/beaglebone-universal-io
for 3.14 kernel.
I'm reading through it now, sounds like it may answer my question...
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I just ran across BBIOConfig (https://github.com/strahlex/BBIOConfig)
Very cool and easy to understand.
I saw there was a utility config-pin for setting up the pin configuration.
Does this work on BBB 3.14 now?
Is there an apt-get install package that will install it?
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You will need to use a GPIO pin and manually toggle it.
If you need precise speed control, you can task a PRU unit to toggle the pins
with precise timing.
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Also use a 5v power supply when flashing the image.
The USB can't source enough current.
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I think you will run into concurrency issues.
The operations to increment the buffer need to be atomic, but they are not.
While you perform the read / add / modulus / write in the Arm, then PRU can add
a new message and change the value.
The ring buffer can get corrupt.
I would set a flag in
I did basically the same thing to one of my beaglebones.
Yes, it is dead.
You can request a RMA to get it fixed.
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The 4D capes come in two types: touchscreen and no touchscreen.
The part numbers that end with T are touch capable. The ones that don't do not
have a touchscreen.
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Are both the PRU units free resources on the BBB?
Does the ethernet connector use them or any other built-in hardware devices?
Any capes take advantage of them?
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I was interested if any BBB drivers for the onboard peripherals need a PRU core
to work.
Are they both always unused? I think they are both available for end users to
use, but I wasn't sure.
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http://beagleboard.org/support/rma
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to
Using the dtb-rebuilder, I see the main include file for my
cape, am335x-bone-4dcape-43t.dtsi.
I see the various includes for they key mappings and led includes.
However, I don't see any includes for PWM configurations.
Looking at some of the existing includes, they seem a little different from
Using
http://kilobaser.com/blog/2014-07-28-beaglebone-black-devicetreeoverlay-generator
I get an overlay file that looks like:
/*
* Copyright (C) 2013 CircuitCo
* Copyright (C) 2013 Texas Instruments
*
* This program is free software; you can redistribute it and/or modify
* it under the
Thanks for the ADC example.
Is there a good general purpose output pin example?
I see the LED examples, is that the same as a generic output pin?
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I know config-pin will solve a lot of the pain of mapping IO pins /
features.
The BBIOConfig Qt GUI for allocating the pins looks very slick.
I'm looking forward to the release of the working versions. :)
The example you linked looks like the interface configuration for
Microchip's RTC I2C
So, it need to look more like this?
ocp {
P8_19_pinmux {
/* gpio0[22] */
mode = “gpio_output”;
};
P8_13_pinmux {
/* gpio0[23] */
mode = “gpio_output”;
};
P9_14_pinmux {
/* gpio1[18] */
mode = “gpio_output”;
};
P8_14_pinmux {
/* gpio0[26] */
mode = “gpio_output”;
};
P8_17_pinmux {
/* gpio0[27] */
If you can stand bit-banking, the BBB has perfect resources designed
specifically for that task.
You have 2 PRU cores (200mhz, 8k memory + 8k program + 16k shared memory
with main CPU each)
It is perfect for bit-banging in a separate process.
You can mux the GPIO pins to the PRU for processing
A strange issue.
I can tune the radio using
v4l2-ctl -d /dev/radio0 -c volume=10,mute=0 -f 91.1 --all
I can then stream the radio audio to a file using
arecord -D hw:1,0 -c2 -fS16_LE -r48000 audio.wav
When I play back the recorded file, it sounds great.
aplay audio.wav
I should be able to
I think you are on to something here.
The radio device records at 96000. It won't record at any other rate.
The playback device only plays back at 48000. It won't play at 96000.
It looks like the player down-converts the sample rate.
If I record and pipe it to aplay with -v on, it plays a pop
The flashing of debug messages is caused by the Qt library.
By default, it logs debug and warning messages to the console.
You can disable it by setting the build options
-DQT_NO_DEBUG_OUTPUT -DQT_NO_WARNING_OUTPUT
There are bugs in 5.3.2 that you will have to manually fix when specifying
this
I have a Beaglebone Black with a 4DCAPE-43T LCD running Debian 7.6 Console,
kernel 3.14.16-r30.
I've installed the SGX driver and OpenGL works great.
I've compiled Qt 5.3.2 Everywhere on the beaglebone black and for the most
part it works great.
I'm having issues getting the touchscreen
I'm kicking the tires on Debian 8 jessie on BBB with a 4DCape-43t with the
10/22/2014 lxqt image
I've installed SGX and it works great.
Is there a way to get it to not load the desktop?
In previous versions, you could modify uEnv.txt and add
optargs=text
And it would boot to a console.
Is there
I’m testing out Debian Jessie on a beaglebone black with a 4.3 inch LCD cape.
Qt 5.3.2 is part of the distribution, so I used apt-get to install it.
Running in either EGLFS or LinuxFB, it doesn’t grab the keyboard or touch for
exclusive use.
The window pops up full screen, but the keyboard is
I'm setting up my BBB for custom pins
P9-39AIN0 Light Sensor A/D
P8-19 gpio0[22] 22 0x820 EHRPWM2A RED LED PWM
P8-13 pgio0[23] 23 0x824 EHRPWM2B GREEN LED PWM
P9-14 gpio1[18] 50 0x848 EHRPWM1A BLUE LED PWM
P8-14 gpio0[26] 26 0x828 GPIO0_26 Sensor 1 Zero Crossing
P8-17
Just installed a new image debian-7.7.0-i386-netinst.iso.
pgregory@debian:~/dtb-rebuilder$ dtc -v
Version: DTC 1.3.0
Is it too old?
Do I need to compile the device tree under BBB?
pgregory@debian:~/dtb-rebuilder$ make
DTC src/arm/am335x-base0033.dtb
dtc: invalid option -- 'i'
Usage:
dtc
I had to go to debian jessie (debian-jessie-DI-b2-i386-netinst.iso) to get
version DTC 1.4.
It works now.
Thanks!
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Hello,
I'm attempting to get GPIO pins to configure / work under:
Debian 7.7 console
Linux beaglebone 3.14.19-ti-r30 #1 SMP PREEMPT Mon Oct 13 20:34:06 UTC 2014
armv7l GNU/Linux
I have added an include to am335x-boneblack-4dcape-43t.dts (I have a
4DCape-43t) to configure my GPIO pins.
It
So, is the answer to wait for Config-pin and BBB-IO to come out for kernel 3.14?
Do I need to roll back to 3.8 kernel so I can use cape manager?
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Thanks for the info Charles.
I must have something wrong in my rebuild of the dtb file.
I have no pin entries under /sys/class/gpio.
I'll look around in /sys/kernel/debug/pinctl to see what the current config
settings are.
All my searches on this forum and the web turn up examples for the 3.8
So, I can get config-pin to install by getting the universal-io from git
#apt-get install gcc g++ make device-tree-compiler
#git clone https://github.com/cdsteinkuehler/beaglebone-universal-io
#cd beaglebone-universal-io/
#make
#sudo make install
after that, I can change the mode of my pin
PIN
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