Re: [PATCH] SIIG 8-port serial boards support

[Paul Fulghum]

Russell King wrote:
> So, there are three distinct flow control scenarios:

So I'm clear on how you interpret these,
am I correct with the following?

> - conventional RTS/CTS
RTS active = ready to receive
CTS active = allowed to send

> - alternative RTS/CTS
RTS active = on before send, off after send
CTS active = allowed to send

> - RS485
RTS active = on before send, off after send (RTS enables driver)
CTS ignored (2 wire mode, no CTS)

So maybe the extra control fields would be:
CRTSONTX - RTS on before send, off after send
CTXONCTS - wait for CTS before sending

--
Paul Fulghum
Microgate Systems, Ltd.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/