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[Discuss-gnuradio] IPAQ, USRP, and USB 1.1

From: Lee Patton
Subject: [Discuss-gnuradio] IPAQ, USRP, and USB 1.1
Date: Thu, 13 Apr 2006 12:15:52 -0400

All -

Clark was nice enough to outline some steps he saw as necessary for
getting GNU Radio running on an IPAQ:

"1. get an Ipaq (there are 520 mhz models now for ~$400)
 2. install linux (http://familiar.handhelds.org/)
 3. get a cross compiler for ipaq (see above)
 4. port python to ipaq/linux
 5. port gnuradio core to ipaq/linux, i assume just compiling it will
 6. port usrp to ipaq

step 6 may be the hard part as I don't know if the IPAQ has usb2.0. You
may need a plug in card or you may be happy with usb1.1 and can figure
out how to modify the usrp firmware to run on 1.1"

The uncertainty comes from having to use a compact flash usb 1.1 host
controller such as this (also given to me by clark)

Any other comments on the feasibility of getting USRP working with USB
1.1 and IPAQ?

This seems to be the solution my group is leaning towards. I have my
reservations (especially due to our short timeline), but I am frustrated
by lack of hard dimensional/weight/power/operating
temperature/humidity/vibrational/shielding constraints from the remote
controlled airplane guys.

Also Nokia 770 has USB 2.0 connectivity
But requires some hacks to get host support

Also, as Clark pointed out, the 770 is probably a lot less power
efficient than the IPAQ.

Disclaimer: I don't own a PDA of any kind. Never have. Never will  --
unless it does something cool like run GNU Radio, or I become a lot more

 - Lee

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