[PDA] Connecting Squeak at high speed?!

Ohshima, Yoshiki Yoshiki.Ohshima at disney.com
Fri Mar 22 18:12:21 UTC 2002


> For an upcoming demo I need a connection of a PDA running Squeak (iPAQ
> H3870) to a PC running Squeak (side note: this needs to be a Windows PC
> for specific reasons). Due to hardware restrictions I'm planning to use
> the USB connection through the cradle (which is fine for the demo) and I
> was wondering if anyone has experience in how this can be done. In
> short, the questions are:

  What's the hardware restrictions?

> * Are there any other (in particular faster) options?
>   [Note: For this demo, transmission speed is critical.
>   USB should work okay but if there's anything faster,
>   I'd love to hear about it].
> * What can I expect in terms of transmissions rates?
> * How do you access the USB connection from both parties?

  802.11b wireless card gives you 4-6M bits/sec connection.
Squeak on iPAQ can open the port as a SerialPort at maximum
speed of 115200k bits/sec, as I recall, but I don't know if
it can communicate with Windows PC.

> Oh, and what's the "best" VM to use here?! The iPAQ is running WCE at
> the moment.

  I have four VMs, combination of portlait/landscape and
with/without IPP JPEG.  (IPP JPEG decoder decodes a 320x240
JPEG file in 50ms.  Even you can implement movie-ish thing
with it.)

-- Yoshiki




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