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'[PIC] Using Lantronix XPorts'
2006\06\29@000458 by Andy Tuthill

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I'm about to try to integrate the Lantronix XPort connector to an 18F252 for
ethernet capability.  To start with it will be talking with PC's using
ethernet cards.

>From what I understand I simply set up the XPort as a transmitter and then
the receiving end should be able to get my serial data.  The process is
referred to as serial tunnelling.

Is it really that easy or is something waiting to put egg on my face when I
try to make a guesstimate on how long it will take to deliver this feature?

If anyone else has experience with these I would appreciate some feedback.

Regards,
Andy


2006\06\29@003352 by PicDude

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face
I have one sitting here for some months now, but haven't had the time to
experiment with it.  So I'd love to hear your experience with it.  In my
case, I am planning to use it as a web server, where the PIC app will
configure output data in the form of web pages and the PC will just read the
data.

Cheers,
-Neil.



On Wednesday 28 June 2006 23:04, Andy Tuthill wrote:
{Quote hidden}

2006\06\29@005451 by Brent Brown

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> I'm about to try to integrate the Lantronix XPort connector to an
> 18F252 for ethernet capability.  To start with it will be talking with
> PC's using ethernet cards.
>
> >From what I understand I simply set up the XPort as a transmitter and
> >then
> the receiving end should be able to get my serial data.  The process
> is referred to as serial tunnelling.
>
> Is it really that easy or is something waiting to put egg on my face
> when I try to make a guesstimate on how long it will take to deliver
> this feature?

Yep, I've used them as a serial to ethernet converter and it pretty much is that easy
(sending and receiving). You do need a fairly hefty supply for the XPort (220mA @
3.3V from memory). XPort can configured in a web browser. In operation I like using
a utility program called HW Virtual Serial Port which sets up a virtual COM port on
your PC to the XPort at a given IP address : port number. See http://www.HW-group.com

--
Brent Brown, Electronic Design Solutions
16 English Street, St Andrews,
Hamilton 3200, New Zealand
Ph: +64 7 849 0069
Fax: +64 7 849 0071
Cell: 027 433 4069
eMail:  spam_OUTbrent.brownTakeThisOuTspamclear.net.nz


2006\06\29@104135 by Harold Hallikainen

face picon face
I've always thought stuff like the Xport should have a way of letting the
micro behave like a cgi script. When an http get command shows up, pass
the whole url (or maybe the part after the hostname or ip) to the micro as
a string. The micro can then parse the url pulling out any parameters and
respond with an html page (including headers). Xport and the like seem to
try to do too much and leave little flexibility to the micro.

Harold


--
FCC Rules Updated Daily at http://www.hallikainen.com - Advertising
opportunities available!

2006\06\29@120233 by Thomas C. Sefranek

face picon face
I've been using them with PIC18 series for several years now.
I think they are the greatest thing since sliced bread.
The new ones have a MUCH higher serial bandwidth.
I can't get an answer from them on what buffering they have internally.
But with an average data rate at 56K, it seems to be fine.
(I have been aassured they work to 2M, in burst mode.)

Tom

 *
 |  __O    Thomas C. Sefranek  .....tcsKILLspamspam@spam@cmcorp.com
 |_-\<,_   Amateur Radio Operator: WA1RHP
 (*)/ (*)  Bicycle mobile on 145.41MHz PL74.4

ARRL Instructor, Technical Specialist, VE Contact.
hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org

{Original Message removed}

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