working without OS...

[Joel Sherrill]

Alexandre.Tarayre at space.alcatel.fr wrote:
> 
> Hello,
> 
> I'm working without OS and I would know how to :
> 
>  - setup a periodic interrupt that calls an operation every X ms,
>  - enable interrupts,
>  - disable interrupts.
> 
> What are the C functions (or libraries) that permit to do that ?

If you do not have an OS, then you won't have these services unless
you implement them yourself.  

With RTEMS, you can use the rtems_timer_* services to setup
and manage a routine that is invoked periodically.

The rtems_interrupt_* services manipulate interrupt disable levels.

> ALCATEL SPACE INDUSTRIES

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985