? Or is there a straightforward way to
build armhf multiarch packages of these things to install on my host?
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Rick
On Dec 4, 2014, at 06:34 , Robert Nelson robertcnel...@gmail.com wrote:
On Thu, Dec 4, 2014 at 8:11 AM, Rick Mann rm...@latencyzero.com wrote:
I'm trying to develop for BBB by cross-compiling from Ubuntu. My app uses
libao and libmpg123, and as far as I can tell
What's the current way to access the analog input ADC values? Everything I find
online refers to capemanager, which apparently no longer exists. At least,
there's no capemgr under /sys in my Debian/3.14.22 system.
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On Dec 10, 2014, at 12:56 , William Hermans yyrk...@gmail.com wrote:
Maybe I'll do this on one of our elemental14 board, document it, and put up a
new post on my blog which hasnt had attention in over a year . . .
I would be eternally grateful if you did this.
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/interrupt, nothing immediately jumped out as
problematic. CPU load is very low.
I'm going to try using the HDMI audio output when I get home, to see if it has
similar output issues, but I'm not sure how hard this will be to try.
Any other suggestions?
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On Dec 10, 2014, at 05:49 , Robert Nelson robertcnel...@gmail.com wrote:
On Wed, Dec 10, 2014 at 2:41 AM, Rick Mann rm...@latencyzero.com wrote:
What's the current way to access the analog input ADC values? Everything I
find online refers to capemanager, which apparently no longer exists
to an sdcard, next step is booting it
up, and upgrading to 3.14.x via APT. My notes thus far as very verbose, so
should show others who are unfamiliar with the process of experimentation how
it is done. At least how I do it.
On Thu, Dec 11, 2014 at 3:46 PM, Rick Mann rm...@latencyzero.com
don't really understand how it all fits together. I
know of at least one reference online that uses the bonescript repo as the
authoritative source for device descriptions.
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enlighten me?
Does downgrading from 3.14 to 3.8 cause the rest of Debian to have issues?
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with it yet, but am able to execute a binary
that queries a USB thermometer, and spit that information out to a local
network webpage via socket.io.
On Thu, Dec 11, 2014 at 4:25 PM, Rick Mann rm...@latencyzero.com wrote:
On Dec 11, 2014, at 15:08 , William Hermans yyrk...@gmail.com wrote
On Dec 11, 2014, at 15:49 , Robert Nelson robertcnel...@gmail.com wrote:
On Thu, Dec 11, 2014 at 5:39 PM, Rick Mann rm...@latencyzero.com wrote:
I've currently got the debian-7.7 image flashed onto my BBB. What's the best
way to revert to a 3.8 kernel? Can I just install the older kernel
testing on newer test images ( later than *bone47 ), and so
far I have not liked what I've seen. This is not to say that their bad, its
just not what I want in my production images *YET*.
On Thu, Dec 11, 2014 at 5:06 PM, Rick Mann rm...@latencyzero.com wrote:
On Dec 11, 2014, at 15:59
that queries a USB thermometer, and spit that information out to a local
network webpage via socket.io.
On Thu, Dec 11, 2014 at 4:25 PM, Rick Mann rm...@latencyzero.com wrote:
On Dec 11, 2014, at 15:08 , William Hermans yyrk...@gmail.com wrote:
what I am not sure of is exactly what
, Rick Mann rm...@latencyzero.com wrote:
Yeah, I don't use bonescript or node.js, either. It's all C++ for me.
I downgraded to the 3.8 kernel (didn't even know you could just do that)
using apt-get. Not only am I able to access the ADC via the old information
available online, I can also play
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Oh, I didn't realize a camera port wasn't available on the am335x on the BBB.
Hmm. That puts a damper on a different project idea I had. Maybe I'll pick up
an xM.
On Dec 18, 2014, at 07:24 , Robert Nelson robertcnel...@gmail.com wrote:
On Thu, Dec 18, 2014 at 2:33 AM, Rick Mann rm
On Dec 18, 2014, at 13:56 , John Syn john3...@gmail.com wrote:
Better to wait for the BeagleBoard-X15 which will have the camera
interface.
Oh, goodness, how long do I have to wait for that beauty?
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thing), but it would be nice to be able to draw as fast as
possible with SDL.
Does this work now?
Thanks!
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frame
Best regards,
Mark
On 18 December 2014 at 22:12, Rick Mann rm...@latencyzero.com wrote:
On Dec 18, 2014, at 00:29 , mark.e.ri...@gmail.com wrote:
Have you tried writing direct to the Video Frame Buffer, I have.
I wrote an app that used SDL, but it had to use (I think
in after boot.
If instead I pull the power and re-apply it (with the dongle plugged in),
things get powered up normally and it works fine.
Any ideas? Much appreciated!
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in the example, but it
made no difference.
I'd really appreciate any help!
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On Thu, Dec 25, 2014 at 3:25 AM, Rick Mann rm...@latencyzero.com wrote:
Running Debian 7/3.8.13-bone68, if I shut down the system with shutdown -h
now, it nicely powers off, and powers off the USB bus. But if I then press
the power button to power things back up, it does not power up
the hard work!
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Okay, I installed the 2014-12-11 bone-console test image onto an SD card,
booted from that, and tried again, with the same result. I guess I should go
back to the version used by Derek Molloy.
On Dec 25, 2014, at 03:26 , Rick Mann rm...@latencyzero.com wrote:
I've been trying to get input
, depending
on what part of sysfs you're using. Awesome. Just awesome.
To be clear: The pin number (e.g. 36 for P8_07) is what's used in
/sys/kernel/debug/pinctrl/44e10800.pinmux/pins. The GPIO number is what's
used in /sys/class/gpio/...
On Dec 25, 2014, at 15:28 , Rick Mann rm...@latencyzero.com
.
Anything in dmesg?
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How about libpruio?
http://users.freebasic-portal.de/tjf/Projekte/libpruio/doc/html/
Thanks for all the hard work!
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On Dec 27, 2014, at 14:13 , Robert Nelson robertcnel...@gmail.com wrote:
On Thu, Dec 25, 2014 at 4:24 PM, Rick Mann rm...@latencyzero.com wrote:
On Friday, December 12, 2014 3:16:23 PM UTC-6, RobertCNelson wrote:
2: This is open to more users, if you need something packaged
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ideas?
# uname -a
Linux arm 3.8.13-bone68 #1 SMP Sat Nov 22 02:12:03 UTC 2014 armv7l GNU/Linux
Thanks!
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at boot.
Robert, I have yet to try the steps you gave me earlier for building a new
kernel with the USB changes for audio. I don't know if that kernel would make a
difference?
Thanks!
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On Dec 28, 2014, at 04:51 , Rick Mann rm...@latencyzero.com wrote:
Following the instructions set
?
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audio issues.
Unfortunately, I'm running out of time to get this finished up before I have to
present it (basically, I have until Thursday), and I still have to get some PRU
code working, and I don't yet know if I'll have to change pinmuxing via DTB for
that.
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with any other use.
On Dec 28, 2014, at 17:31 , Rick Mann rm...@latencyzero.com wrote:
On Dec 28, 2014, at 17:22 , Robert Nelson robertcnel...@gmail.com wrote:
With v3.14.x and the dtb-rebuilder, you could just hardcode your gpio
settings and not worry about going thru the overlay
‘-mno-thumb-interwork’
gcc: error: unrecognized command line option ‘-mfpu=vfp’
make[1]: *** [kernel/bounds.s] Error 1
make: *** [prepare0] Error 2
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On Dec 28, 2014, at 18:38 , Robert Nelson robertcnel...@gmail.com wrote:
remember ^ this is one line..
Oops!
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. I need to read
two ADCs and read and set a handful of GPIOs (via sysfs is fine), and
eventually I need some PRU code to be able to write quickly to one GPIO.
Thank you for your continued support!
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ocp and
am335x-pinmux nodes. Eventually, this suggests making a separate .dtsi with
all the stuff for my cape, and just including it into .dts, right?
G) What should my uEnv.txt look like? It currently looks like this:
http://pastebin.com/3fx5SDb9
Thanks!
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On Dec 28, 2014, at 21:20 , Robert Nelson robertcnel...@gmail.com wrote:
On Sun, Dec 28, 2014 at 11:04 PM, Rick Mann rm...@latencyzero.com wrote:
A) What does it mean for all those resulting .dtb files to be in the
/boot/... directory? Do they all get loaded? Does only the main one
would have to defer to someone else more
knowledgeable. Hopefully though the link I gave above would be able to answer
most / all of those questions.
On Sun, Dec 28, 2014 at 10:04 PM, Rick Mann rm...@latencyzero.com wrote:
On Dec 28, 2014, at 19:56 , Robert Nelson robertcnel
On Dec 28, 2014, at 22:28 , William Hermans yyrk...@gmail.com wrote:
Hard to say. But if you're like me, perhaps you'll find that you were fixated
on something *wrongly*, and then find something really obvious . . . that
causes an instant face-desk.
If you took notes though perhaps it
to how I can't Control-C the process itself).
Any ideas? I can probably live with the pre-call delay, but that seems lame.
Thanks!
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| MUX_MODE7).
On Dec 28, 2014, at 23:23 , Rick Mann rm...@latencyzero.com wrote:
Okay, with great thanks to Robert for all his help getting my DTB
up-and-running, I've now run into a new issue with GPIO and/or ADC access. It
seems that if I do it too rapidly, one of the operations never
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to help you, and
learn to use something like Eagle or gEDA or some of the more expensive tools
available.
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myself. Make sure you
select the correct branch of dtb-rebuilder, and maybe post your .dtsi file?
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each read, and it seems solid now. I'll have to troubleshoot that later.
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gpio0_27 */
Also, there's the other issue I posted about having to do with rapidly reading
sysfs and hanging.
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the scripts, not just the one
specified on the command line.
Do the init scripts dictate something about how the DTB gets applied? Could
they have affected my GPIOs? How can I tell what DTB is in use?
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Sorry for the panic. My bad. Introduced a bug in my code that wasn't revealed
until I restarted.
On Dec 30, 2014, at 02:42 , Rick Mann rm...@latencyzero.com wrote:
Help!
Thanks to Robert's help, I got my GPIOs up and running, and good audio, with
3.14.26-ti-r43.
So, now I started
within about 30
seconds (and the login prompt comes up correspondingly faster).
The insserv dependencies for my daemon does not include the network, only local
fs and syslog.
Anything I can do to speed the time it takes to start my daemon?
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the correct bits to enable the PRUs?
Thanks!
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, and
backward compatibility isn't yet guaranteed.
[2.880691] remoteproc2: powering up wkup_m3
[2.883576] remoteproc2: Booting fw image am335x-pm-firmware.elf, size
219827
[2.884295] remoteproc2: remote processor wkup_m3 is now up
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to build just that
module.
Thanks!
On Dec 30, 2014, at 16:27 , Rick Mann rm...@latencyzero.com wrote:
On Dec 30, 2014, at 16:13 , Robert Nelson robertcnel...@gmail.com wrote:
They are actually enabled:
https://github.com/RobertCNelson/dtb-rebuilder/blob/3.14-ti/src/arm/am33xx.dtsi#L761
On Dec 30, 2014, at 17:19 , Robert Nelson robertcnel...@gmail.com wrote:
On Tue, Dec 30, 2014 at 7:15 PM, Rick Mann rm...@latencyzero.com wrote:
On Dec 30, 2014, at 17:06 , Robert Nelson robertcnel...@gmail.com wrote:
remoteproc just loads the firmware and set's up the initial interface
it possible to build the
Linux kernel with LLVM, so it should be doable.
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On Feb 2, 2015, at 06:53 , Gerald Coley ger...@beagleboard.org wrote:
Looks like the release will be a while. Working out technical issue with Ti
at the moment.
Can you elaborate on the problem, for educational purposes?
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On Feb 6, 2015, at 07:35 , Gerald Coley ger...@beagleboard.org wrote:
Ahh. Go it. I will reserve my comments on that processor then.
Actually, I'd love to hear your thoughts on that processor, good or bad.
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with that, i'll strip down the jessie and provide a console
image.
Ah, okay, thanks! I did some searching. I take it jessie is Debian 8.x, and
wheezy is Debian 7.x?
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instead of 8.0 in
the img file name...
In my world we'd say something like 8.0b1 or 8.0rc1, because it's immediately
clear, but that sometimes has issues. Sometimes marketing version numbers
change, and then you're screwed.
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On Jan 21, 2015, at 11:40 , Robert Nelson robertcnel...@gmail.com wrote:
On Wed, Jan 21, 2015 at 1:30 PM, Rick Mann rm...@latencyzero.com wrote:
On Jan 21, 2015, at 11:03 , Robert Nelson robertcnel...@gmail.com wrote:
Ah, okay, thanks! I did some searching. I take it jessie is Debian 8
package repo but . . .
Oh, I'm happy to wait. I want to get something that's as close to stock as
possible.
In the long run, I'll be making a super-paired-down distro with the goal of
booting (to running my app) in under two seconds.
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connection.
On Wed, Jan 21, 2015 at 2:22 PM, Rick Mann rm...@latencyzero.com wrote:
On Jan 21, 2015, at 12:09 , William Hermans yyrk...@gmail.com wrote:
Anyway the point I am eluding to for Rick M there is that, if you need
something as close as possible to Jessie, you *could* just apt
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This is Podtique, an antique radio converted to play MP3 playlists by tuning
to their frequencies:
http://blog.roderickmann.org/2015/01/podtique/
Thanks all, and Happy New Year!
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. The
configuration is a JSON file it reads when it starts up. I need a webapp that
can read and write this config file, then tickle the daemon into re-loading it.
Any recommendations? Thanks!
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uio_pruss in /etc/modules, and that seemed to fix it.
The thing that I don't understand is how uio_pruss was getting loaded in the
first place (before I listed it in /etc/modules). It was available when
executing my app after login without me doing anything explicit.
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Are you saying wicd is installed by default in your latest builds (even the
console one)?
On Jan 9, 2015, at 05:59 , Robert Nelson robertcnel...@gmail.com wrote:
wicd set it up
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Will this work with gdb or ddd on OS X?
On Jan 2, 2015, at 12:13 , tolga.cey...@gmail.com wrote:
Thanks John. Sounds like USB100v2/CCSV6 will get me started.
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So, there's still a market for my once-upon-a-time project to make an OS
X-native debugger with a plug-in architecture for stuff like this...
On Jan 6, 2015, at 13:27 , John Syn john3...@gmail.com wrote:
On 1/6/15, 12:35 PM, Rick Mann rm...@latencyzero.com wrote:
Will this work
( bad
screen ) for free.
On Tue, Jan 6, 2015 at 5:19 PM, John Syn john3...@gmail.com wrote:
On 1/6/15, 1:59 PM, Rick Mann rm...@latencyzero.com wrote:
So, there's still a market for my once-upon-a-time project to make an OS
X-native debugger with a plug-in architecture for stuff like
. Eventually it will fetch content
over Wi-Fi, even play streams live, but there are no actual radio components in
there.
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you are wondering, yes I have configured the i2c bus. I can get
several devices to work well.
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On Jan 12, 2015, at 19:15 , Jesse Cobra jesseco...@gmail.com wrote:
Cool project, great wood work!
Thanks!
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stuff. I'd like to use the WiLink 8 series, if possible, but I don't want to if
there's no driver support in 3.14 for it.
Any recommendations? Thanks!
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On Feb 26, 2015, at 15:56 , Charles Steinkuehler char...@steinkuehler.net
wrote:
On 2/26/2015 5:48 PM, Rick Mann wrote:
Thanks!
I was looking at some PRU reference docs; there's a capture module (I
guess the one you're referring to), but it wasn't documented.
It's documented, just
/WL18xx_AMxxx_Platform_Integration_Guide
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I realize that, but I'm not able to do that in this project.
On Mar 3, 2015, at 22:21 , Jesse Cobra jesseco...@gmail.com wrote:
It seems most people are using USB adapters. The wl1835 does not work out of
the box...
On Mar 3, 2015 9:51 PM, Rick Mann rm...@latencyzero.com wrote:
I'd like
they're the right size.
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that really necessary? Do the current builds not support
this chip out of the box?
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in the reading is not too much of an issue, so long as it's not
more than a few seconds.
Does the PRU let me connect a GPIO to a counter internally? I can measure some
cycles and compare that to a crystal-driven counter.
Has anyone done this?
TIA,
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could I expect to see in that mode?
Thanks,
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not
have.
Just yet another kernel away from device tree overlays in mainline.
(aka v3.8.x capemgr)
Does that mean 4.x does or does not have overlays? :-)
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On May 1, 2015, at 12:30 , Drew Fustini pdp7p...@gmail.com wrote:
On Thu, Apr 30, 2015 at 8:39 PM, Rick Mann rm...@latencyzero.com wrote:
Does that mean 4.x does or does not have overlays? :-)
fyi - Pantelis Antoniou gave an excellent talk about his DT Overlay
work last month
What's the best way to build the kernel? RCN's linux-dev scripts (which don't
seem to have a branch for 4.x), Jason Kridner's kernel repo, or the beagleboard
kernel?
Thanks!
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Thank you!
On Jun 5, 2015, at 14:40 , William Hermans yyrk...@gmail.com wrote:
https://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-LinuxKernel
On Fri, Jun 5, 2015 at 2:28 PM, Rick Mann rm...@latencyzero.com wrote:
What's the best way to build the kernel? RCN's linux-dev
7, 2015 at 8:47 PM, Rick Mann rm...@latencyzero.com wrote:
On Jun 7, 2015, at 16:54 , rh_ richard_hubb...@lavabit.com wrote:
Wouldn't you want to know how much time it takes before deciding
to reduce the time it takes.
Hence my question.
How long is your power on to my C user code
to be operational from
power-on (it's not necessarily always powered). I don't want to make the user
wait.
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that 1 s boot times should be achievable. Scroll down to liyaoshi's posts an
see what he / she recommends for faster boots.
On Sun, Jun 7, 2015 at 9:46 PM, Rick Mann rm...@latencyzero.com wrote:
That's interesting. Unfortunately, while my primary app is a C program I
wrote, I also (currently
boot any faster than a
BBB. That 1 second boot time was probably hibernate . . . suspend ram to
disk, or whatever it is called on Linux.
On Sun, Jun 7, 2015 at 2:48 PM, Rick Mann rm...@latencyzero.com wrote:
I'm working on reducing the boot time (power on to my C user code running) as
much
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