Re: [PATCH/RFC] 8250: Auto RS485 direction control

Grant Edwards
2008-08-04T17:46:14Z

On 2008-08-04, Tosoni <jp.tosoni@acksys.fr> wrote:

> Last remark:
>
> Interestingly, the RTS envelope on the Oxford chips is
> implemented with... the DTR pin. On our cards we have a piece
> of hardware which redirect the uart DTR pin to the external
> RTS in this case.

Well, that's just plain wrong. The RS-232 standard was quite
clear that RTS is what's used to enable transmission. ;)

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