Ivan Krstić wrote:
We have code in git that encodes arbitrary (but size-constrained) data
as a redundant datamatrix barcode and shows it on the screen, and code
that performs image analysis from a camera capture when one XO is
pointed at another with such a barcode on the screen to decode the
On Feb 15, 2008, at 4:35 PM, Benjamin M. Schwartz wrote:
As you are probably aware, it is possible to read barcodes from the
camera, using software analysis.
We have code in git that encodes arbitrary (but size-constrained) data
as a redundant datamatrix barcode and shows it on the screen,
On Feb 15, 2008, at 4:24 PM, Walter Bender wrote:
Has anyone used a USB bar code scanner on the XO?
I've used several, both CCD- and laser-based. They register as normal
keyboards, so no extra support is required; there's a CCD-based one in
my office if you want to play with it. For
On Feb 17, 2008, at 4:39 PM, Ivan Krstić wrote:
For reference, Uruguay is using these:
Once more, with the link unmangled:
http://www.nationalbarcode.com/datalogic/DataLogic-Firescan-D131.htm
--
Ivan Krstić [EMAIL PROTECTED] | http://radian.org
On Feb 17, 2008 9:36 PM, Ivan Krstić [EMAIL PROTECTED]
wrote:
On Feb 15, 2008, at 4:35 PM, Benjamin M. Schwartz wrote:
As you are probably aware, it is possible to read barcodes from the
camera, using software analysis.
We have code in git that encodes arbitrary (but size-constrained) data
On Feb 17, 2008, at 7:47 PM, ffm wrote:
Any reason it was scrapped?
It wasn't scrapped; it's on the backburner because higher-priority
issues needed to be dealt with first, and the subsystems that would
most benefit from an out-of-band public key exchange (like Telepathy)
can't deal with
Has anyone used a USB bar code scanner on the XO? Any recommendations
as to a model we could use for an inventory project?
-walter
--
Walter Bender
One Laptop per Child
http://laptop.org
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On Fri, 2008-02-15 at 16:24 -0500, Walter Bender wrote:
Has anyone used a USB bar code scanner on the XO? Any recommendations
as to a model we could use for an inventory project?
As you are probably aware, it is possible to read barcodes from the
camera, using software analysis. See for
On Fri, Feb 15, 2008 at 4:24 PM, Walter Bender [EMAIL PROTECTED] wrote:
Has anyone used a USB bar code scanner on the XO? Any recommendations
as to a model we could use for an inventory project?
Any barcode scanner which advertises itself as an USB HID device
(read, keyboard) would work fine.
On Fri, Feb 15, 2008 at 04:35:36PM -0500, Benjamin M. Schwartz wrote:
As you are probably aware, it is possible to read barcodes from the
camera, using software analysis. See for example
http://www.linux.com/feature/126948 .
I've tried this, using zebra, but found that it required a specific
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