How to remove systemd safely and come back to sysvinit ?
PS: debian wheezy console on Beaglebone Black RevC
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On 18 August 2015 at 16:39, Robert Nelson wrote:
> There's nothing to re-flash, the am335x bootrom on the a6a supports
> mmc raw mode.. It was first introduced in the dm81x/omap4x era, and we
> just started using it on am335x late last year by default. (the
> am335x family comes from the dm81x/o
Hi,
Still not able to hear any sound from the codec. Below are some logs i have
enabled some prints.
root@arm:~# aplay E2.wav
[ 39.250662]
[ 39.250662] * davinci_mcasp_startup ***
[ 39.257491]
[ 39.257491] * evm_startup *
Playing WAVE 'E2.wav' : Signed 16 b
Don't forget to unmute all outputs in alsamixer
21 Авг 2015 г. 14:36 пользователь "Dileep" написал:
> Hi,
>
> Still not able to hear any sound from the codec. Below are some logs i
> have enabled some prints.
>
> root@arm:~# aplay E2.wav
> [ 39.250662]
> [ 39.250662] * davinci_mcasp_s
What's the problem to mount a hdd after Linux booted?
21 Авг 2015 г. 9:53 пользователь "Tomasz Lipiński" <
tomasz.lipinski@gmail.com> написал:
> Welcome,
>
> As for the beggining i would like to say tha im new to BeagleBoard
> enviroment , so please be patient.
> I`m really curious if it is po
Unfortunately TI's StarterWare forum is a mess, you also can ask a stone in
the wood - the answer will be similar...
2015-08-21 0:03 GMT+02:00 Gerald Coley :
> I am not sure. You would need to ask TI on this one.
>
> Gerald
>
>
> On Wed, Aug 19, 2015 at 7:24 AM, Karl Karpfen
> wrote:
>
>> Am Di
On 21 August 2015 at 15:30, Karl Karpfen wrote:
> TI's StarterWare forum is a mess
Makes sense, given that StarterWare itself is too.
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The concepts are pretty much the same, except now days you'd probably use
bootz instead of bootm. So the mkimage step wouldn't be needed.
http://www.embeddedhobbyist.com/2013/07/beaglebone-black-usb-boot/
On Fri, Aug 21, 2015 at 5:23 AM, Maxim Podbereznyy
wrote:
> What's the problem to mount a
In uEnv.txt
##Enable systemd
systemd=quiet init=/lib/systemd/systemd
You can comment out this whole line or remove the
*init=/lib/systemd/systemd* bit to default back to sysv. A note here - I
would just comment it out. Just in case you need it later, or you somehow
muck things up by introducing W
with the default image ( *bone47 ) on a Rev C BBB, the second stage file is
/boot/uboot/uEnv.txt. On the eMMC.
If you're booting from an sdcard. Again like mentioned in my first post -
It depends on which image you're using. WIth single or dual partitions.
Note for the others out there This
Thanks for the guide William, i tried it out but encountered some problems
with it ...
I have connected USB drive to the BBB and booted it normally , after that i
stared using commands you indicated for formating the hard drive :
"sudo dd if=/dev/zero of=/dev/sda bs=1024 count=1024"
"sudo fdisk /
*loaduimage=load usb ${bootpart} 0x8020 /boot/uImage*
This above is wrong. First you need to understand what a linux mage is.
i386
william@debian-can:~/can-dev/ipc-server$ ls /boot/
config-3.2.0-4-486 initrd.img-3.2.0-4-486 *vmlinuz-3.2.0-4-486*
grubSystem.map-3.2.0-4-486
T
Yep, that approach works well. Thanks!
On Friday, August 14, 2015 at 6:53:35 PM UTC-5, Carlos Novaes wrote:
>
> I was unable to use the NOPx instructions, same error. But you can define
> a macro, ex:
> .macro NOP
> MOV r1, r1
> .endm
>
> .macro NOP2
> MOV r1, r1
> MOV r1, r1
> ;endm
>
> and
On Wednesday, August 19, 2015 at 12:06:08 PM UTC-5, Carlos Novaes wrote:
>
>
> I tend to agree with that most of the time. Maybe I am biasing my question
> on a limited experience with PRU applications.
> From my point of view PRU are good for relatively simple tasks, that
> should be fast and
On Fri, 21 Aug 2015 14:15:52 -0700 (PDT), you wrote:
>From what I understand from the comments of CNC writers, even Linux
(unless the kernel has been tweaked to allow this) does not allow real
time response.
Windows certainly not, Linux has to be specially engineered (IIRC) to
give you *accurate*
Welcome,
As for the beggining i would like to say tha im new to BeagleBoard
enviroment , so please be patient.
I`m really curious if it is possible to use external USB hard drive (with
own power supply) to use as main drive after boot sequence on BeagleBoard
Black rev c.
I tried to follow up th
Hi Gerald,
Oops, by "may not necessary work", I mean, "may not necessarily work."
Will I need to develop SW that supports the power button function - that
is, will I need to develop SW to enable the button? We are refraining from
powering up the BBB until we know for sure.
Best regards,
Lawr
Hi Gerald,
Please let us know we can unmount the drives and power down the BBB by
either pushing the power button momentarily or using the Linux shutdown
command. We are refraining from powering up the BBB until we know how to
power down the board correctly.
Lawrence
On Monday, August 10, 20
Hello ,
Managed to get some sensors and actuators up and running on BBB (kernel
version 4.1). Still
can't wrap my head around all the logic regarding overlays and pinmuxing.
I notice that several programs and libraries manipulating device tree
(overlay and pinmux)
contain some sort of table wit
Hello there ,
Just for the begining ,I`m new to BeagleBoard enviroment and not so good
with Linux, so please be patient and understanding.
I`m really curious , is it possible as for now to use External Hard Drive (
with its own power supply ) , as main drive after the booting sequence ?
I alread
Hi, I just received my first beagleboard-xm, but have a hard time starting
up.
The card it came with has Angstrom as OS which is totally new to me as
well. When I plug in all the components to the board such as mouse,
keyboard, serial cable etc. and power it, nothing displays on my TV
(connecte
hi yasir..hve u get anythng regarding beaglebone gate way wit cc2530.i need
to know..this would be helpful to my project..please send me the documents
if u hve..
thnk uuu
mail id:mouli.nagen...@gmail.com
On Monday, October 7, 2013 at 1:33:18 PM UTC+5:30, Muhammad Yasir wrote:
>
>
> Hi
I'm attempting to understanding how to use the libpruio code base.
*Goal*: Read 2 adc values as fast as possible.
*Understanding*: libpruio has a shared buffer that the pru writes to in
this case from the adc, which will be then consumed by the userland
application.
Going over io_input.c the
Below is the text from console. I used this image for a file system.
Angstrom-TI-GNOME-image-eglibc-ipk-v2012.01-core-beagleboard-2012.01.11
This image boots and I have network. I then built 3.0.14 I downloaded from
https://www.kernel.org/pub/linux/kernel/. I used beagleboard_defconfig. I
m
It is a standard linux command to mount the drive.
Gerald
On Fri, Aug 21, 2015 at 5:02 PM, wrote:
> Hi Gerald,
>
> Oops, by "may not necessary work", I mean, "may not necessarily work."
> Will I need to develop SW that supports the power button function - that
> is, will I need to develop SW
help needed. i am trying to build a 3d printer using a beaglebone black but
i m stuck because of unavailability of bebopr+ cape . its too much
expensive for me.. please recommend any alternative or refurbished cape ..
affordable price .. thanks
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help needed. i am trying to build a 3d printer using a beaglebone black but
i m stuck because of unavailability of bebopr+ cape . its too much
expensive for me.. please recommend any alternative or refurbished cape ..
affordable price .. thanks
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The PRU's do not run Linux on them . . . So Linux is a moot point in this
context.
Think of the PRU's as something akin to a 200Mhz Cortex M4. With many
single cycle instructions. Or even if we expand the acronym . . .
Programmable Realtime Unit . . . everything becomes clear maybe ?
@kyle
Well
1watt-hr seems very less power !!!
On Thursday, 20 August 2015 22:55:24 UTC+5:30, jgm.in...@gmail.com wrote:
>
> We are hoping to use the beaglebone black on a project with 10 small
> autonomous boats with about 1 Watt-hour lot of onboard battery power
> (mostly used for propulsion). We need to
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