Rate Monotonic Tasks

[Joel Sherrill]

Remember besides configuring the maximum of each type of object you create, tasks also have stacks which must be allocated. On low RAM targets, this tends to be the limiting factor on the maximum tasks possible.

sarraciro <sarraciro at yahoo.it> wrote:


Thank for answer...and link ,
I suspected that...
The problem was in CONFIGURE_MAXIMUM_PERIODS  not in
CONFIGURE_MAXIMUM_TASKS... but the concept is the same...
configurations errors..

Thank you again for your prompt support,
Regards,

--
RC

Il giorno lun, 18/11/2013 alle 13.19 +1100, Nick Withers ha scritto:
> On Mon, 2013-11-18 at 03:09 +0100, sarraciro wrote:
> > Hi,
> > I'm trying to modify the example called classic_api triple_period.
> >
> > Can I create and run in the same time 2 Rate Monotonic Tasks?
>
> I believe so, yes.
>
> > If I try to duplicate the Task2 (the handler for
> > Rate_Monotonic_Period_Task) of the triple_period example.. changing
> > name, priority and deadline the task that is called for second stucks
> > with  this error:
> >     RM failed with status: 5
> >
> > Where in documentation are defined the errors in numeric form?
> > Anyone have idea of my error?
>
> Check out (for Git master):
> http://www.rtems.org/onlinedocs/doxygen/cpukit/html/group__ClassicStatus.html
>
> You're out of resources (CONFIGURE_MAXIMUM_TASKS?).
>
> > PS: the platform in which I debug is STM32F4-Discovery.
> >
> > Thanks
> >
> > Regards
> >
> > --
> > RC
> > Il giorno dom, 17/11/2013 alle 14.24 -0500, Gedare Bloom ha scritto:
> > > Congrats :)
> > >
> > > On Sun, Nov 17, 2013 at 6:20 AM, sarraciro <sarraciro at yahoo.it> wrote:
> > > > Hi,
> > > > Cheers?... for this type of nonsense?? ... I look a little too
> > > > much ! :) .. :D .. ;) !
> > > > My board, in this moment, is an ST-board (an STM32F4-Discovery...  we
> > > > also the new kit with LCD on board (the STM32F429I-Disco).  But the
> > > > purpose is move on our board with the same class of processor.
> > > >
> > > > For Makefile I made a classic-way version in which I can:
> > > > - define a system.h with RTEMS configuration macros;
> > > > - define hardware macros for describe the hardware;
> > > > - include files that contains function and prototypes (but for now in
> > > > the same build-directory);
> > > > - shrink the built firmware to fit in the flash memory (reduce the size
> > > > of built exe);
> > > > - clean all built objects;
> > > >
> > > > In this moment I suspended the packaging with Autotool
> > > > (./configure,make)... because I worked to a rudimental-gpio-driver ...
> > > > (achieved last night... with  success...but with a warning)... and other
> > > > projects.
> > > >
> > > > When I can drive all processor resources I want try again to port the
> > > > Makefile in Autotool version... in particular way I'm interested to
> > > > deep-packaging (with subdirs for hw-libs, header and sources) and not
> > > > shallow-packaging.
> > > >
> > > > --
> > > > Regards
> > > > RC  (popovich)
> > > >
> > > >
> > > > Il giorno dom, 17/11/2013 alle 11.35 +0100, emanuel stiebler ha scritto:
> > > >> On 2013-11-03 03:03, sarraciro wrote:
> > > >> > Hi guys,
> > > >> > I have ported the template that I wanted ! :) !
> > > >> > I had included also a (very) rudimental driver for flash the LEDs of
> > > >> > STM32F4-Discovery..
> > > >> > There are some warning (one I presume.. but it appear several time ..
> > > >> > casting warning..) .. I'll try to fix it tomorrow...
> > > >> > Thank again for support ... night!
> > > >> >
> > > >> > --
> > > >> > RC
> > > >>
> > > >> Hi RC,
> > > >> did you use a board from the market, or did you use your own?
> > > >> I'm just getting my own stm32f4 board in few days, so was enjoying
> > > >> reading about your success ;-)
> > > >>
> > > >> Did you continue to work on it?
> > > >>
> > > >> Cheers,
> > > >> emanuel


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