'rt_pipe_free'
thanks
Daniele
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not have documentation in the form of comment blocks.
There is some other place where I can learn about Xenomai 3 ?
Thank you. Cheers,
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On 02/02/12 19:01, Philippe Gerum wrote:
On 02/02/2012 06:29 PM, Daniele Nicolodi wrote:
Hello,
I'm looking with curiosity to the development of Xenomai 3 skimming
through the GIT commits. I'm a physicist writing data acquisition code,
looking at how experienced programmers solve problems
which seem not to be recognized,
although we included native/pipe.h in our C file.
Maybe it is necessary to modify also Makefile in oder to use pipe stuff?
Thank you in advance and best regards
Daniele
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Hello,
We are trying to use xenomai with analogy library
[xenomai 2.6.0, kernel 2.6.38.8]
Compiling the program we got the following error:
undefined reference to
a4l_openhttp://www.xenomai.org/documentation/trunk/html/api/group__descriptor1__lib.html#ga810401871fe8005ee0157c6910f94466
The
I'm trying to compile an example of Xenomai, but gives me this error:
/usr/bin/ld : cannot find -lrtdk
thanks
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code). I have acquisitions running at over 200
kHz for weeks without a glitch.
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On 02/08/11 21:23, Theo Veenker wrote:
On 08/02/2011 07:01 PM, Daniele Nicolodi wrote:
I need to migrate one of my data acquisition system to more recent
hardware to support a PCI-Express data acquisition board. The hardware I
may use is an x86 box built on an Asus P5LD2 motherboard: Intel
-02/msg00308.html
where latency problems, probably related to SMI, are reported, but with
an old version of Xenomai. Does someone have another data point that I
may interpolate from?
Thank you. Cheers,
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Xenomai
are not defined anywhere
in the kernel or xenomai source tree.
Thank you. Cheers,
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On 28/06/11 15:48, Gilles Chanteperdrix wrote:
On 06/28/2011 03:00 PM, Daniele Nicolodi wrote:
Hello,
is the Xenomai 2.6.5 supposed to work with Linux 2.6.38.8 kernel and
adeos patch 2.6.38.8-x86-2.10 supposed to work?
The above combination gives me an error compiling
arch/x86/xenomai
,
https://mail.gna.org/public/xenomai-help/2011-06/msg00142.html
Thank you Philippe. I should follow the mailing list more closely.
Cheers,
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On 17/06/10 11:07, Daniele Nicolodi wrote:
No. I'm running a continuous memory mapped acquisition. The only maybe
uncommon thing I'm doing is that I'm reading the mmapped buffer in fixed
chunks, rather than reading all the samples available each time. The
number of samples I read each time
take a little bit to have it
to compile stand alone.
The bug shows usually after some minutes to half an hour of data taking
at 10 to 50 kHz. It would be unpractical to save all that data to disk
for inspection.
Thanks. Cheers,
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, rather than reading all the samples available each time. The
number of samples I read each time is larger than the 4095 samples after
which the hardware sends the FIFO half full trigger event.
Suggestions?
Thanks. Cheers,
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idea on how to extend the API without breaking it ?
I do not see any way rather than augmenting the function signature with
an additional parameter. If you want to maintain API compatibility the
only thing to do is to add a different function.
Cheers,
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that can be used to require a certain amount
of data to the ADC driver. How can I code this loop to let other
processes to run?
Thanks. Cheers,
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appear in
my output, so I do not believe the issue is due to wrong FIFO
synchronization.
Has someone ever observed a similar behavior? Does someone has a
suggestion on how I can try to investigate it?
Thanks. Cheers,
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On 02/06/10 08:58, Jan Kiszka wrote:
Jan Kiszka wrote:
Daniele Nicolodi wrote:
On 01/06/10 16:50, Jan Kiszka wrote:
Daniele Nicolodi wrote:
On 01/06/10 13:23, Jan Kiszka wrote:
Daniele Nicolodi wrote:
Hello.
In the process of upgrading my data acquisition system from Xenomai
2.5.0
Booting a working 2.6.30 kernel I noticed this error message as first
output on the console. Can it be related to my issue with more modern
kernels and ipipe patches?
ERROR: 8254 timer not connected to IO-APIC
I have no idea of what it means.
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can do, but
it would be a nice feature for debugging and for solving application
specific issues.
Cheers,
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. After the
boot loader I'm left with a black screen.
I have noticed that going from the 2.6.30 to the 2.6.32 kernel the Adeos
Ipipe patch goes from version 2.4 to 2.6. Can this be related to my problem?
How can I investigate, and eventually solve, this problem?
Thanks. Cheers,
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On 01/06/10 13:23, Jan Kiszka wrote:
Daniele Nicolodi wrote:
Hello.
In the process of upgrading my data acquisition system from Xenomai
2.5.0 to Xenomai 2.5.2, I also upgraded the kernel from the 2.6.30
release to 2.6.32.14.
Latest Xenomai is 2.5.3, latest 2.6.32 patch is
adeos-ipipe
On 01/06/10 16:50, Jan Kiszka wrote:
Daniele Nicolodi wrote:
On 01/06/10 13:23, Jan Kiszka wrote:
Daniele Nicolodi wrote:
Hello.
In the process of upgrading my data acquisition system from Xenomai
2.5.0 to Xenomai 2.5.2, I also upgraded the kernel from the 2.6.30
release to 2.6.32.14
the same technique, therefore
I continuously compute new data points.
I hope those examples will be useful to you.
Cheers,
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Daniele
/* Use an analog output subdevice with an asynchronous command to
* generate a phase modulated sine wave. */
#include stdio.h
#include fcntl.h
#include stdlib.h
up to
100 kHz. However I need my data in real time, and therefore I need to
specify this flag.
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!
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Gilles Chanteperdrix wrote:
Daniele Nicolodi wrote:
Daniele Nicolodi wrote:
It probably can be made to work. But... do you realy need -std=c99 ?
I didn't know about -std=gnu99. I can certainly use this extension.
It looks like using -std=gnu99 causes somehow the compilation to fail
Alexis Berlemont wrote:
Hi,
Daniele Nicolodi wrote:
Hello. I'm testing Analogy on my x86 system with a NI 6251 ADC board (I
can test with other NI ADCs if it useful to someone).
The lack of overview documentation is making my progress slow, but I
have a couple of acquisition routines
Alexis Berlemont wrote:
Hi,
Daniele Nicolodi wrote:
Daniele Nicolodi wrote:
Philippe Gerum wrote:
If you do want to help, you may want investing your time in developing
and testing a better code base like Analogy with other people, instead
of re-opening a dead development effort all alone
Daniele Nicolodi wrote:
2. Looks like it is not possible to setup an endless acquisition. If I
set .stop_src = TRIG_NONE and .stop_arg = 0, the command submission goes
fine, but I obtain an ENOENT error at the first a4l_sys_read(). I have
no idea on where to look to track down this issue
.stop_src = TRIG_NONE and .stop_arg = 0, the command submission goes
fine, but I obtain an ENOENT error at the first a4l_sys_read(). I have
no idea on where to look to track down this issue.
Thanks. Cheers,
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.
Thanks. Cheers,
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Stefan Kisdaroczi wrote:
Hi Daniele,
https://mail.gna.org/public/xenomai-core/2009-09/msg00016.html
regards, Stefan
Thanks Stefan for the pointer. Your link contains almost everything I
want to know. I agree that Comedi design is far from perfect and I
appreciate the effort of coding
not have so much time to invest into this activity.
I'll simply check if the PREEMP_RT patch gives me low enough latencies,
otherwise I'll switch to use Comedi on top of RTAI (sadly, because I
prefer Xenomai and its posix api).
Thanks. Cheers,
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the TRIG_WAKE_EOS command functionality in the ni pcimio driver
in Analogy?
Cheers,
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iteration, when we set it before for the task (line 380).
Is it because the dump_function() uses system calls that can make the
task to switch to secondary mode, or there is a deeper reason I'm missing?
Thanks. Cheers,
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Daniele Nicolodi wrote:
Philippe Gerum wrote:
If you do want to help, you may want investing your time in developing
and testing a better code base like Analogy with other people, instead
of re-opening a dead development effort all alone.
Let's try to have a more constructive approach. What
and Comedi efforts? It would be unfortunate to
end up with two independent sets of drivers and user land libraries.
Thanks. Cheers,
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support
MAP_POPULATE mmap() flag.
How can I track the source of this increased latency?
Thanks. Cheers,
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: statement with no effect
Of course i do not obtain any error it i remove the xenomai specific
include directories options from the gcc command line.
Can this problem be solved? Can I help somehow?
Thanks. Cheers,
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Gilles Chanteperdrix wrote:
Daniele Nicolodi wrote:
Hello. I'm compiling my programs with the -std=c99 switch. However the
inclusion of pthread.h from xenomai distribution causes the compilation
to fail with syntax errors.
What version of Xenomai, what platforms? Chances are that Xenomai
do not have to communicate any message. Would be
semaphores best suited to my needs?
Thanks. Cheers,
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the boot loader dives up the control to the kernel, I think. I'm
left with a blinking _ and nothing more.
A kernel without xenomai patches and with the same configuration boots
just fine on the same machine.
Does someone know what can cause this behavior?
Thanks. Best regards,
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Daniele Nicolodi wrote:
Hello. I'm new to Xenomai and I'm unable to make my first Xenomai kernel
to boot. I downloaded linux-2.6.32.7 sources from kernel.org and xenomai
2.5.1. I patched the kernel, configured and compiled it. All went fine.
However when i try to boot this kernel it hangs
if in Xenomai context I can set the Blackfin register
from a userspace application or if in Xenomai context has no sense to speak
about user/kernel space.
Sorry for my confusion.
Best regards,
Daniele.
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https
Dear Philippe,
I've tried, anyway I receive errors.
In attachment, my makefile and error executing it.
Bf537 - uClinux-dist-2008R1.5-RC3.
Best regards,
Daniele.
- Original Message -
From: Philippe Gerum [EMAIL PROTECTED]
To: Daniele Pagani [EMAIL PROTECTED]
Cc: xenomai-help
Dear Philippe,
I've received the same error.
Any suggestions or tests to do?
Thanks,
Daniele.
- Original Message -
From: Philippe Gerum [EMAIL PROTECTED]
To: Daniele Pagani [EMAIL PROTECTED]
Cc: xenomai-help@gna.org
Sent: Tuesday, December 02, 2008 10:15 AM
Subject: Re: [Xenomai-help
works fine when I use flat format, but now I need to use fdpic elf format
and I receive errors.x
Best regards,
Daniele.
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-config --xeno-ldflags
Then, what I need to do?
Do I need to recompile the kernel?
Best regards,
Daniele.
- Original Message -
From: Philippe Gerum [EMAIL PROTECTED]
To: Daniele Pagani [EMAIL PROTECTED]
Cc: xenomai-help@gna.org
Sent: Monday, December 01, 2008 3:11 PM
Subject: Re: [Xenomai
test, please ignore
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Hello all,
I am new to xenomai although I have already used rtai.
I see that xenomai has a user mode which looks equivalent to rtai's
lxrt.
What about calling real-time functions implemented in a module
(rtai_lxrt call, rt_fun_entry table and so on)?
Thank you,
Daniele Lugli
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