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Author Topic: USB to parallel  (Read 5395 times)
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gabriel
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« on: August 20, 2009, 09:00:33 21:00 »

Hello:
I bought a USB-to-parallel DB25F converter, just to command an old project who  was operating on standard parallel port. when I plug it in my laptop, I don't have a new port added in "Ports (COM & LPT)" of device manager, I just have a new "USB printing support" in the "Universal Serial Bus controllers". Also, no new port added in printers ports. So could this converter be used to control an external hardware and how?

In fact, I intended to command it by C++ using "inpout32.dll"
 
Thanks

Gabriel



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darck_khronos
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« Reply #1 on: August 20, 2009, 11:50:24 23:50 »

Usse this Ci

http://www.stericsson.com/technical_documents/ISP1362_6.pdf

http://www.newark.com/jsp/search/browse.jsp?N=500003+1001855&Ntk=gensearch_001&Ntt=usb+paralell&Ntx=
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gabriel
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« Reply #2 on: August 21, 2009, 10:32:13 10:32 »

nothing of these documents is related with my question, the first refer to a Single-chip USB On-The-Go controller (without a parallel interface), the second to many usb ics , one of them support both serial and parallel, but again without any word of how to command it by C
thanks

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folkeu
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« Reply #3 on: August 21, 2009, 12:10:50 12:10 »

Hello,
I'm interesed too for control this interface by the usb port : http://www.whoow.org/people/Jean-Marc.Lienher/spp2dmx/index_en.html
I use this interface for the light show and it is good.
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petarp
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« Reply #4 on: August 21, 2009, 12:51:56 12:51 »

Hi, gabriel. This isn't real parallel port, this is only usb printer support you can't control thru inpout32.dll. May be you can control thru usb stack but you can't control single line on parallel port.

Best Regards.
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8K51
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« Reply #5 on: August 21, 2009, 03:30:36 15:30 »

Hi Gabriel !!

On USB (and LPT) guru's Jan Axelson site I found this link :
http://www-user.tu-chemnitz.de/~heha/bastelecke/Rund%20um%20den%20PC/USB2LPT/index.html.en

Jan Axelson's site is http://www.lvr.com/

Regards

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majimbu
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« Reply #6 on: April 13, 2010, 10:16:42 22:16 »

hello guys,

i try using that usb - parallel cable once to used again my old parallel interface project on a laptop,
and it didn't work, petarp is right, it's only a printer support, and i used different method of interfacing
instead, usb - serial converter cable interfaced on PIC16F877 as a multiplexer circuit...

regards...
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hodahel
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« Reply #7 on: April 25, 2010, 07:56:07 07:56 »

so it means no real working USB to LPT? Sad

i'm planning to buy one for my old GSM box..but a little hesitant it might not work at all..
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jenniferkim
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« Reply #8 on: December 22, 2010, 05:40:10 05:40 »

Refer to this article: http://www.tomshardware.com/forum/28261-35-hard-drive-converters
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