[ECOS] from ISR to thread

[Andrew Lunn]

> Hi
> 
> Maybe I've misunderstood something, but at:
> http://sources.redhat.com/ecos/docs-latest/ref/ecos-ref.13.html
> I seems that 
> 
> cyg_drv_cond_signal
> cyg_drv_cond_broadcast
> 
> are the only synchronization primitives I can use in a DSR.
> 
> But perhaps I actually can use "cyg_semaphore_post(sem)" ?

My experience is that cyg_semaphore_post works. 

The advantage of using cyg_drv* functions is that they exist with or
without the kernel, where as cyg_semaphore* needs the kernel. This
then allows you to use the driver with redboot which does not have a
kernel. 

        Andrew