> I think that depends on how you set up the chip. I think you can set it
> up so it will interrupt on each byte. This is not terribly efficient for
> a serial port driver, but if it is timing you want, then that is
> probably what you want.
On linux, I use:
setserial /dev/ttyS0 low_latency
Well, actually you probably want the interrupt
>to occur at the beginning of the first start bit of the first
>character, which could in theory on a 4800bd give you sub ms resolution
>( and maybe much better) .
That's just a constant offset. You can correct for that.
--
These are my opinions, not necessarily my employer's. I hate spam.
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