Re: What the UART is!!


"Boki" <bokiteam@xxxxxxxxxxxxxx> schreef in bericht
news:1125419694.388673.58780@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi All,
> Our uart always happen error, sometimes the interrupt ( when
> buffer is full ) always high, but it (uart) didn't get so many data,
> that make my CPU go to read data again and again, but it is wrong
> !!!!!!
>
> Does it is possible my firmware/program/driver make the famous uart
> (TI/Philips...) state error? Because I can't understand why the
> interrupt keep high so often ( I already check it by logical analysis,
> no data is coming.. )
>
> Thank you very much for your help.
>
> Best regards,
> Boki.
>

Er... There are a couple of thousends - maybe even tens of thousends - types
of UARTs out there. Even if you stick to the 8250 and it's successors you
have some tens. So what micro are you using to control what UART?

petrus bitbyter


.

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