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'XP & no serial port'
2002\09\22@021935 by Thomas Cobb

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has any one configured the parallel port for use with XP Home I have a Toshiba 1950-750 Laptop 2.2Ghz P4 ...I just went and bought an old PC P2 366Mhz and everything is OK  ..... but I want to use my laptop as I travel about ...
Regards
Thomas
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2002\09\22@092600 by cdb

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Exactly what is the problem with your XP and parallel port?

If it won't run a pic programmer or such it may be because the God of
Laptops did not make all LPT ports adhere to the same standard. In
laptops to save on battery power you can find that LPT1 and COM1/2
actually operate at a lower voltage thatn required by their
respective standards.

We should probably change the tag to OT.

Colin
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cdb, .....bodgy1KILLspamspam@spam@optusnet.com.au on 22/09/2002

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2002\09\22@125035 by jpeixoto

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You are correct. I have seen several programmer designs with that particular
warning: "May not work on laptops".

What you need is a separate +12V source for the Vpp.


{Original Message removed}


'XP & no serial port'
2002\10\03@134851 by Tal (Zapta)
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Are there any USB PIC programmers in the market.

Since USB is so fast and can deliver up to 2.5W, it is a perfect
interface for programmers.

I recall once seing a general USB interface chip that with software driver
for Windows that allows to control few bits of i/o. I wonder how difficult
it
would be to add such a chip to a parallel port programmer as well as a DC/DC
for VPP.

Tal

> {Original Message removed}

2002\10\03@135628 by Wagner Lipnharski

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Tal (Zapta) wrote:
> Are there any USB PIC programmers in the market.
>
> Since USB is so fast and can deliver up to 2.5W, it is a perfect
> interface for programmers.
>
> I recall once seing a general USB interface chip that with software
> driver for Windows that allows to control few bits of i/o. I wonder
> how difficult it
> would be to add such a chip to a parallel port programmer as well as
> a DC/DC for VPP.
>
> Tal

This is already under production.

Wagner Lipnharski - email:  .....wagnerKILLspamspam.....ustr.net
UST Research Inc. - Development Director
http://www.ustr.net - Orlando Florida 32837
Licensed Consultant Atmel AVR _/_/_/_/_/_/

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2002\10\03@190930 by cdb

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BasicMicro have a programmer with USB interface as an added extra.

Colin
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cdb, bodgy1spamspam_OUToptusnet.com.au on 04/10/2002

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2002\10\04@033202 by Wouter van Ooijen

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> Are there any USB PIC programmers in the market.

DIY:
http://oase.uci.kun.nl/~mientki/PIC/PicProg/PicProgrammer_hardware.htm

As for speed: note that in most cases the programming time is dominated
by the PIC, not by the PC->programmer communication.

Wouter van Ooijen

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2002\10\04@040159 by Wouter van Ooijen

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And if you are just looking for a way to program with just a USB port:
my Wisp628 programmer works fine with an off-the-shelve USB->serial
converter, maybe other serial programmers will too.

Wouter van Ooijen

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2002\10\04@100324 by Micro Eng

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I just bought a $20 USB to serial converter....works great for ICD, havent
tried it with the PICstart yet, but I don't see why it wouldnt work.


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2002\10\04@100326 by Quah Yow Chun

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Any sites to find USB to serial converter wiring diagram ?

James


-----Original Message-----
From: pic microcontroller discussion list
[TakeThisOuTPICLISTEraseMEspamspam_OUTMITVMA.MIT.EDU] On Behalf Of Wouter van Ooijen
Sent: 04 Oktober 2002 1:02
To: RemoveMEPICLISTspamTakeThisOuTMITVMA.MIT.EDU
Subject: Re: XP & no serial port

And if you are just looking for a way to program with just a USB port:
my Wisp628 programmer works fine with an off-the-shelve USB->serial
converter, maybe other serial programmers will too.

Wouter van Ooijen

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2002\10\04@111905 by Alan B. Pearce

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>Any sites to find USB to serial converter wiring diagram ?

You need more than a wiring diagram.

Check FTDI http://www.ftdichip.com/ for an example. There is a kit available
based around the FT232AM chip that will do this for you.

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2002\10\05@021824 by Peter L. Peres

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On Fri, 4 Oct 2002, Quah Yow Chun wrote:

*>Any sites to find USB to serial converter wiring diagram ?

Of course you mean a site that also contains the software for the used
microcontroller, or one that uses a dedicated chip ?

Peter

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2002\10\06@090036 by Larry G. Nelson Sr.

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Has anyone tested a usb to parallel port converter on the ICE2000 yet?

At 08:23 AM 10/5/02 +0300, you wrote:
>On Fri, 4 Oct 2002, Quah Yow Chun wrote:
>
>*>Any sites to find USB to serial converter wiring diagram ?
>
>Of course you mean a site that also contains the software for the used
>microcontroller, or one that uses a dedicated chip ?
>
>Peter
>
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Larry G. Nelson Sr.
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2002\10\07@122926 by Jeff Mann

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Micro Eng (EraseMEmicro_engspamHOTMAIL.COM) wrote:
> I just bought a $20 USB to serial converter....works great for ICD, havent
> tried it with the PICstart yet, but I don't see why it wouldnt work.
>
>

You got the original MPLAB-ICD to work with a USB to serial converter?
I'm surprised. It has strict timing requirements. I tried it with a
Keyspan adapter on a PC laptop and couldn't get it to work at all.
Microchip tech support also said it wouldn't work. Which USB to serial
converter did you use, and which operating system?

On the other hand, the PicStart Plus works just fine with a USB to
serial converter, just like the Wisp628 does. It even works on a Mac
using Virtual PC.

Speaking of which, I also got the MPLAB-ICD2 to work on a Mac with
Virtual PC, using the USB connection. MacOS 9 only, not OS X.

<Jeff Mann

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