On 10/14/06, Sergiy Kazakov <[EMAIL PROTECTED]> wrote:
Hello, ahgu
>I have a unisys UPS, I probed the RS232 and notice that pin 2,
>(receive data) is going from -6v (OL) to 12v(OB), but I don't see the
>setting for the genericups. Seems nobody else is using the RD pin?
>Any driver I can use?
>Thanks
>-Andrew
Try RX as signal name (not RD).
I don't think that you can easily read the level of the RX pin, and
even if you could, you would need to change the code:
http://boxster.ghz.cc/projects/nut/browser/trunk/drivers/genericups.c#L58
Note that the valid inputs are CTS, DCD and RNG.
You can detect a "break" condition on the RX input, but the code to
determine when the pin changed from break to idle would be tough to
debug, and probably very system-dependent.
--
- Charles Lepple
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