[Lazarus] Serial communication??

[Michael Schnell]

  On 09/28/2010 09:12 PM, Felipe Monteiro de Carvalho wrote:
> By using a timeout. Timeout = 0 returns immediately, so you can use
> this to check periodicaly if data comes.
>
Polling never is nice: unnecessarily consuming CPU cycles and 
introducing additional latency.

long timeout -> large latency, short timeout - large CPU overhead.

So IMHO using bocking communication in threads (such as AsyncPro 
provides) is the way to go.

-Michael