From: Johannes Wolf (mp2100_at_mail-gw.estec.esa.int)
Date: Thu Mar 24 2005 - 01:18:06 PST
Adriano,
I do not see any other way (in hardware) to have a second (and independent)
serial port on the NIC port but using the channel 3.
As I already pointed out, I do not know how to access this port.
Maybe an extension will do the trick?
Cheers
Johannes
> -----Original Message-----
> From: newtontalk-bounce_at_newtontalk.net
> [mailto:newtontalk-bounce_at_newtontalk.net]On Behalf Of Adriano
> Sent: Wednesday, March 23, 2005 9:08 PM
> To: newtontalk_at_newtontalk.net
> Subject: Re: [NTLK] Interconnect second serial port (was: FDTI usb)
> Il giorno 22/mar/05, alle 15:06, Johannes Wolf ha scritto:
> Sorry, you are talking about serial channel2 on the NIC port???
> I do only see channel0 and channel3 there.
> channel 3 are TTL signals that could be used for yor project.
> But the main problem I see here is the software bit - you need to
> address
> this channel in order to use it, of course it will not work
> automatically.
> As far as I know the serial channel2 (internal) is implemented into the
> OS
> such that you can use PCMCIA card modems (or other serial devices like
> the
> GPS cards).
> The second serial port i meant in my last mail was the second one on
> the interconnect port
> (as on it are present only two serial lines, while the internal
> connector give access to three of them)
> You say that the serial channel 3 on the interconnect port will need to
> be addressed via software [it will explain why i got no communications
> from the MessagePad to my Mac....] but when i look at the Freedock, i
> see a second serial port, for a modem use, which seems to be already
> enabled without using any additional software.
> What do you think about it?
> Thanks again,
> Adriano
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