Re: [rtl] driver for computerboards das1200/jr

2001-03-22 Thread David Schleef

On Thu, Mar 22, 2001 at 04:19:51PM +, Willem Atsma wrote:
> Does anyone know of a driver for this card, or if one of the other DAS 
> drivers can be used for it?


The cb_pcidas driver that is part of Comedi should work with it.
http://stm.lbl.gov/comedi




dave...

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[rtl] driver for computerboards das1200/jr

2001-03-22 Thread Willem Atsma

Does anyone know of a driver for this card, or if one of the other DAS 
drivers can be used for it?

cheers,

Willem


   
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[rtl] Target mode driver.

2001-03-22 Thread Shigehiro Kamakura

Dear All,

I would like SCSI target mode driver work under RTLinux. 
Does anyone know if SCSI target mode driver for some SCSI adpter under RTLinux karnel?
And if anyone know where can I get SCSI target mode source?

If SCSI target mode driver work possible under Linux karnel 2.4.x , 
also work under RTLinux karnel?

Thanks.

-Shigehiro
  


 
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[rtl] Cyclades Multiport

2001-03-22 Thread Juan Carlos Reyes M.

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hello all.

I am very newbie in RTLinux, so i apologize if my question is quite simple or the 
answer is obvious.

I have a linux box that has an ISA Cyclades.multiport. Its ports are used to listen 
events that come from a propietary hardware.
Actually, i have a software that gets those events and process them, but it is too 
slow even with the port setted at 38.400.

I guess that RTLinux can help me, but i will appreciate if someone can tell me if 
there are drivers for cyclades multiport cards
available or if i will have to code one, or somebody can give me a direction for work 
around that. I don't know the impact that
will have the use of devices that configure the card by default or stuff like that.

Thaks.

Juan Carlos Reyes MuƱoz
Director Desarrollo en Software
InvestigaciĆ³n y Desarrollo
Insitel Ltda.

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Re: [rtl] Problems Dual Booting (RT)Linux

2001-03-22 Thread Dmitri A. Sergatskov

On Thu, 22 Mar 2001, Dresner, Norman A. wrote:

..
>
> There is a weird "crosstalk" between the configuration of the two systems.
> Nothing in the old system has (to the best of my knowledge) changed.
>

The crosstalk I can think of are the files "System.map" and "module-info"
in your boot directory. May be the better solution is to have separate
boot directories (say /boot on /dev/hdc1 and /old/boot on /dev/hdb1)
and keep appropriete kernels as well as corresponding files there.

.

>
>   Norman Dresner

Good luck,

Dmitri.

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[rtl] memcpy & vmalloc

2001-03-22 Thread Raul

hi all
Two questions that show my lack of knowledge in memory
managment ;-)

-Is it advisable the use of vmalloc in a rt program?
or should I stick with the kmalloc family. I've tried
vmalloc/vfree and it seems to work, but I'm concern
this could eventually crash.
 
- would it be very critical the use of the function
memcpy in a thread that runs at a fast rate?. I'm
using it to copy chunks of data from a buffer (in rt
space) to shared memory. 

thanks for any help
Raul



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RE: [rtl] driver for acquisition card

2001-03-22 Thread Jennings, Richard R

I think you will want to see Comedi at:
http://stm.lbl.gov/comedi/

Rich

> --
> From: oscar[SMTP:[EMAIL PROTECTED]]
> Sent: Thursday, March 22, 2001 9:28 AM
> To:   rtlinux mai list
> Subject:  [rtl] driver for acquisition card
> 
> I have no very much experience in this environments and 
> i am working on an adquisition card (MAtrox meteor) and i want to pass
> the algorithms to rtlinux and try to make same parts of these in rt . I
> want to know
> what i have to do to run the driver on rtlinux. Normally on linux i have
> to recompile the kernel to install the driver and after install the
> modules. But i don't know if on rtlinux is the same and if it will works
> normally. 
> Thanks.
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Re: [rtl] Higher timer resolution

2001-03-22 Thread readme

Pranay Kumar wrote:
> 
> Hi all,
> 
> I am new to this list and RTL. I have a applicarion running in Redhat 7 with
> X 4.0.2. I am using signals to update a window afetr a specified interval.
> 

For data display, a reasonable refresh rate for the human is between 200
and 500 ms !


But linux only provides timer resolution of 10ms. I need to update my
> display 30 times a second which needs a timer of 33,333 us. But with
> resolution 10ms this is not possible.
> 
> Can RTL help me here in anyways. If yes, how?? What is the easiest way for
> me to use RTL.
> 
> Thanx
> 
> Pranay
>
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[rtl] driver for acquisition card

2001-03-22 Thread oscar

I have no very much experience in this environments and 
i am working on an adquisition card (MAtrox meteor) and i want to pass
the algorithms to rtlinux and try to make same parts of these in rt . I
want to know
what i have to do to run the driver on rtlinux. Normally on linux i have
to recompile the kernel to install the driver and after install the
modules. But i don't know if on rtlinux is the same and if it will works
normally. 
Thanks.
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Re: [rtl] Real-time Linux CDROM Distributions

2001-03-22 Thread Maxime Asselin

- Original Message -
From: "Philip N Daly" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, March 20, 2001 3:24 PM
Subject: [rtl] Real-time Linux CDROM Distributions


>
> Without starting a flame war ... would either FSMLabs or Lineo like to
> comment on this?
>
> The new RTL v3 CD-ROM is priced at $150. The Lineo ISG Embedix Real-Time
> CD-ROM was, as I recall, priced at the same level. However, the Lineo
> web-page online store now asks for $495!
>
> I'm not knocking either product but I cringe when I go into CompUSA and
> see a Red Hat deluxe collectors edition for > $80. Frankly, under such
> circumstances, I'm embarrased to tell people that Linux (real-time or
> not) is free (and, yes, I *know* free means freedom not price but still).

Yeah it's free, you can download it... and by the way, WindozeNT costs
around 400$.
Based on NT's price and the quality ratio between NT and Linux, I'd gladly
pay Linux 1,000,000$
and smile.   :-)

>
> Can anyone tell me how they arrived at those figures?
>

I'm sure they can use the money for the work they did.
I'd pay it 300$ I wouldn't care, cause if I didn't have the money, I could
still download it.
But since our company uses RTLinux, I'll make sure we pay our share and
encourage
wonderful initialives such as RTLinux.


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Re: [rtl] Re: Comedi 0.7.57 and RTLinux

2001-03-22 Thread Gerard Vermeulen

Well, I don't remember the details, but it posed problems when building Comedi
and/or its RT stuff and my Comedi based RT modules.

Else, I wouldn't have modified rtl.mk after doing make dep :-)

Gerard

Ken Teh wrote:
> 
> I also had the same message with unresolved symbols, but have so far ignored
> them as it has not affected what I'm trying to do, at least I dont think so.
> I presume it's harmless or is it?
> 
> Ken
> 
> On Wed, 21 Mar 2001, Jonas Persson wrote:
> 
> > I examined the Makefiles for RTLinux 3.0 and 2.2 somewhat closely after having 
>problems with unresolved symbols in the modules built by RTLinux 3.0, and found out 
>that in 2.2, the RTLINUX variable actually points to the linux source tree, but in 
>3.0, the RTLINUX variable points to rtlinux itself. Thus, the makefile never finds 
>CONFIG_MODVERSIONS to be true in the following statements:
> >
> > ifdef CONFIG_MODVERSIONS
> > CFLAGS += -DMODVERSIONS -include $(RTLINUX)/include/linux/modversions.h
> > endif
> >
> > This means that you can add CONFIG_MODVERSIONS to your .config file in your 
>rtlinux source tree, or maybe even do the following:
> >
> > include linux/.config
> >
> > in the makefile. I wouldn't do that, a name clash could occur... unlikely, but 
>still possible.
> >
> > The reason for me currently not submitting a patch for this is that I previosly 
>accidentally got the modules to work with kernel 2.4.0 - maybe I just forgot to 
>activate module versioning, maybe I should examine the source code more closely! :-)
> >
> > Comments? What is the best solution?
> >
> > /Jonas
> > __
> >  Jonas PerssonE-mail: [EMAIL PROTECTED]
> >  Project Manager, M.Sc C.Sc&E http://www.comsys.se/
> >  Comsys AB (publ) Phone: +46-(0)46-286 3051
> >  Forskningsbyn IDEON  Fax: +46-(0)46-286 3505
> >  S-223 70 Lund, Sweden
> >
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Re: [rtl] Installing software under RTAI

2001-03-22 Thread Stuart Hughes

daniel sheltraw wrote:
> 
> Hello RTers
> 
> I have had trouble in the past compiling/installing new software
> once RTAI is installed so would someone please tell me what is
> the best way (or a way) to do this. Should I remove the soft link
> from /usr/src/linux to /usr/src/linux-2.2.16-ert before installing
> new software? Should I boot with my vanilla 2.2.14 linux kernel
> before the install? Anything else?

The only think that matters is the link from /usr/src/linux -> kernel. 
If you are installing a new RTAI, you need to:

- download new linux kernel
- remove /usr/src/linux symlink
- untar the new link kernel
- untar the new rtai
- run make patch in rtai, build/install rtai
- configure/build/install your new linux kernel

Regards, Stuart
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Re: [rtl] spawning threads

2001-03-22 Thread Paolo Mantegazza

> Kalyanaraman, Sivakumar (CTS) wrote:
> 
> Hi all,
>  Is it possible to dynamically spawn threads from RTLinux/RTAI
> ? The documentation for pthread_create in RTlinux states that the
> function can be called only in kernel mode. Is there any other way ?
> 

In RTAI it is if you make it with its own dynamic memory menager,
default in the latest releases.

Ciao, Paolo.
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