February 2012
Beginner
100 pages
2h 6m
English
Content preview from Getting Started with Netduino
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Major Upgrades
When moving between new releases like .NET Micro Framework 4.1 and .NET Micro Framework 4.2, you should update the Netduino’s bootloader as well.
To do so, use Atmel’s “SAM-BA CDC” software (current version is 2.11). If you don’t already have a copy, download it now.
Note
At the time of writing, this tool can be found at http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3759. Up-to-date information on reflashing Netduino can be found in the Netduino community at http://wiki.netduino.com.
To reflash the bootloader, you need to erase everything from the Netduino’s microcontroller flash memory. To do so, make sure your Netduino is powered up, then connect a wire between the 3.3V header on the Netduino and the small gold square directly below digital pin D0 as shown in Figure A-3. Applying power to this pad for half a second will erase the Netduino’s firmware.
Figure A-3. Applying 3.3V power to the erase pad
Now, unplug and reconnect your Netduino. Windows should detect a new serial port, which is a virtual serial port that will enable you to update the bootloader.
Now start the SAM-BA CDC tool (Figure A-4). Select the COM port assigned to your Netduino and select a board type of at91sam7x512-ek. Press Connect.
Figure A-4. Connecting to Netduino
Note
If there are multiple COM ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.