[NTLK] Enabling serial channel 3 on newton interconnect port

[Bhavishya Goel]

Thanks Daniel. Your piece of advice worked. I have finally serial channel 3
working on the interconnect port.

On Fri, Mar 26, 2010 at 12:16 PM, DPROLDAN at telefonica.net <
DPROLDAN at telefonica.net> wrote:

>
>
> Hi
>
>  When you set the option for the kCMOSerialHWChipLoc,  you are telling the
> newton which channel to use.
>
>  Once you have the 1st serial port working,  substitute the
> kHWLocExternalSerial constant with kHWLocBuiltInModem.
>
> local option := {
> type: 'option,
> label: kCMOSerialHWChipLoc,
> opCode: opSetRequired,
> form: 'template,
> result: nil,//
> data : {
> arglist: [
> kHWLocExternalSerial,                                <----  change this to
> kHWLocBuiltInModem  or  "mdem"  (with quotes)
> 0
> ],
> typelist: [
> 'struct,.....
>
>  This is explained in pages 21-4 and 21-5 of the programmers
> referenceOS2.0.
>
>  Remember that this port uses TTL levels on the interconnect and the
> internal connector,  if you want to communicate with another computer,
>  you'll have to use a TTL-RS232 level shifter.
>
>
>  Hope this helps
>
> Daniel
>
>
>
>
>
> On Thu, Mar 25, 2010 at 9:24 AM, Bhavishya Goel <bhavishya.goel at gmail.com
> >wrote:
>
> > Isn't anyone here who can help me with serial channel 3 on interconnect
> > port?
> >
>
>
> > > ------------------------------
> > >
> > > Hi,
> > >
> > > I am trying to use the serial channel 3 available on the Newton
> > Interconnect
> > > Port of Messagepad 2100. But I am not sure how to enable it. The Newton
> > >
> > > Interconnect guide says that one should refer to Newton Programmer's
> > guide
> > > to know how to access this channel. But the Newton Programmer's Guide
> and
> > > Newton programmer's reference are totally silent about differentiating
> > >
> > > between different serial channels either on the interconnect port or
> > > internal serial slot. After rummaging through the two said manuals for
> > some
> > > time, I guessed that "serial chip location" (kCMOSerialHWChipLoc)
> option
> > >
> > > mentioned in chapter 24 was the way to go,  but it doesn't explicitly
> > talk
> > > about different channels. I tried changing the different values for
> this
> > > option, but I didn't see any activity on serial channel 3 (only on
> serial
> > >
> > > channel 0). Can someone tell me how can I tell Newton to use serial
> > channel
> > > 3 instead of channel 0 on the interconnect port and how to drive the
> > > InternalMdmSelect signal?
> > >
> > > Thanks
> > >
>
>
>
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