> TI has some interesting timer-based schemes for implementing
> uarts an the like on the low-end MSP430 micros, which are pretty
> C-oriented.  Seems like it's pretty easy if you can handle
> clock interrupts at a frequency significantly faster than your
> even rate.  That wasn't common in the past, but it's becoming
> so.

yes, for the pripheral requirements of the past.

> You end up arriving at "my RTOS features can do that with 100us
> resolution, do you really want a whole new language primitive
> to handle the few cases when you need faster than that?"

yes

> Are there any good HLLs for supporting virtual peripheral development
> on the scenix CPUs?  That would have been a natural place for this
> sort of thing to have been refined...

no, because Scenix peripherals tend to be interrupt-based

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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