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'USB info'
1998\10\07@112404 by Steve Lawther

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    See the developers area of http://www.usb.org for all the specs.

    If you are attempting to interface a slave to USB using software
    bit-banging on the PIC, the simple answer is I don't beleive it is
    possible even on a Scenix 'PIC' - use an USB interface chip or a
    microcontroller with built-in USB slave interface.

    Email me with generally what you want to do, and I'll point you in the
    direction of relevant chips - I am aiming to put a full write-up and
    links to the full range of chips available for USB , on my web page
    soon (But 'soon' is currently an indefinate term :-)  )

    Steve Lawther

    http://ourworld.compuserve.com/homepages/steve_lawther/ucindex.htm



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Subject: Author:  "netQ" [SMTP:spam_OUTnetquakeTakeThisOuTspamINNOCENT.COM] at Exchange-UK
Date:    06/10/98 23:27


I'm trying to implement USB (Universal Serial Bus) using a PIC. Has anybody
seen any info about this on the Net? (General protocol information is also
good for me. I have no previous experience with USB so I would love to find
a nice tutorial! :)

Thanks again.

P.D.: I want to thank Regulus Berdin for his invaluable help on
my "Porting code" message to the list.


--------------------------------------------
"I must not fear. Fear is the mind-killer.
Fear is the little death that brings total
obliteration. I will face my fear... I will
permit it to pass over me and through me."

Kwisatz Haderach - Dune

       netQ
<.....netquakeKILLspamspam@spam@innocent.com>

1998\10\07@131844 by eslight

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The only thing about usb is that the microcontrollers
are fairly easy to program, but you can't play with them
on your computer unless you know how to code drivers, and
when you see the skeleton drivers for WDM USB drivers and
you are not a win32 programmer, well it scares the ... out
of you.

I hope there will be some freebie drivers and "for dummies"
application that will come out to adress that issue for
hobbyists because USB is indeed interresting.

If anyone has some free sources for that, share!!! :)


Steve Lawther wrote:
{Quote hidden}

1998\10\09@193352 by Craig Webb

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Steve,

>     If you are attempting to interface a slave to USB using software
>     bit-banging on the PIC, the simple answer is I don't beleive it is
>     possible even on a Scenix 'PIC' - use an USB interface chip or a
>     microcontroller with built-in USB slave interface.

What would be the least expensive effective solution for a USB peripheral
chip to a microcontroller. I have looked at the Phillips PDIUSBD11, but was
wondering if you know of others/better ones?

Craig

1998\10\09@204130 by g.daniel.invent.design

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Craig Webb wrote:
> What would be the least expensive effective solution for a USB >
peripheral chip to a microcontroller. I have looked at the Phillips >
PDIUSBD11, but was
> wondering if you know of others/better ones?
>
> Craig

Cypress have cheap USB microcontrolers and dev kits.
I suspect that currently C++ is required for PC end, but may be wrong, I
can't find VB6 support yet.  Don't know about liciencing issues.
Also Intel, don't know about price.
regards,
Graham.

1998\10\16@082132 by Steve Lawther

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    Ok folks,

    The bare bones of USB chips list on now on my web page. (and when I
    say bare bones I mean it! - more to follow)

    Sorry but the list will not include prices.

    http://ourworld.compuserve.com/homepages/steve_lawther/usbdev.htm


    Steve Lawther



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Subject: Re: USB info
Author:  "Craig Webb" [SMTP:.....lucidKILLspamspam.....MAGNET.CA] at Exchange-UK
Date:    10/10/98 00:33


Steve,

>     If you are attempting to interface a slave to USB using software
>     bit-banging on the PIC, the simple answer is I don't beleive it is
>     possible even on a Scenix 'PIC' - use an USB interface chip or a
>     microcontroller with built-in USB slave interface.

What would be the least expensive effective solution for a USB peripheral
chip to a microcontroller. I have looked at the Phillips PDIUSBD11, but was
wondering if you know of others/better ones?

Craig

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