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dab

Member Since 04 Aug 2010
Offline Last Active Jul 21 2011 04:10 AM

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About Me

I work as a Software Design Engineer in Test at Microsoft for Windows Phone 7.

I'm actually an electrical engineer by training, and I'm getting back into the electronics hobby after a long hiatus

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Bellevue, WA, USA

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MSN david_bono@hotmail.com

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Posts I've Made

In Topic: What is the Netduino Mini?

24 October 2010 - 11:45 PM

That is pretty cool. Small and cheap enough to install in a dedicated project

. This definitely gives me some ideas. Watch out

In Topic: UART Shield

02 October 2010 - 04:22 AM

I use one of the FTDI USB cables that has the FT232R built in.

Works great with the Netduino (make sure to get the 3V3 version).

In Topic: Serial Comms via USB in the cards?

30 September 2010 - 05:26 PM

We are working on a USB HID (driverless) communication channel...and are looking at CDC as well. We're not sure if we'll be able to enable CDC _and_ USB debugging at the same time--but we're looking at it.

Pardon my ignorance, but what's CDC (besides the Centers for Disease Control

In Topic: SD huh?

30 September 2010 - 06:11 AM

On second thought...
fileLocation += fStream.Read(buffer, fileLocation, System.Math.Min(128, (int)(fInfo.Length - fileLocation)));
fileLocation is 128 on your second loop--too high of an offset in your 128-byte buffer array. Did you want to pass 0 as your second parameter?

Chris

Also, it looks like you can just use 128 for the 3rd parameter to FileStream.Read()...if it reads less than 128 bytes, then it should be OK (the method will return the actual number of bytes it read).

In Topic: How to use the SD card and StreamWriter

30 September 2010 - 06:01 AM

We have posted updated firmware to address the SD card mounting and memory allocation issues.
http://forums.netdui...patch-4-beta-1/

SD card-related updates in the firmware update:
* Mounting invalid MicroSD cards now throws an exception
* Reduced memory usage when accessing SD cards

Please let me know if this new firmware fixes things for you...

Chris

Cool - thanks for getting the new firmware out so quickly!

This seems to fix the problem I was having with the StreamReader.ReadLine() method yesterday:

Current directory: \
dir: \SD
file: \SD\FOO.TXT
The quick brown fox jumps over the lazy dog.

Now I need to figure out what to do with 1.83 GB of storage.

dab