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Bricked my Netduino Plus?


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#1 Dave M.

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Posted 11 November 2012 - 06:05 AM

So I received my Netduino Plus 2 today (yay!), and finally got a chance to hook it up. Now I know it's not exciting, but the first thing I wanted to do was see how fast it can blink the onboard LED. I measured a 75.2us period, which is great. From what I could recall, the Netduino Plus was somewhere around 60ms.

I wanted to hook up my Netduino Plus, so I had a brilliant idea to upgrade it to .NET MF 4.2 with the info on the following link: http://wiki.netduino...ep-by-step.ashx

I connected the pad to 3.3V, which apparently reset the Netduino somehow, because when I power cycled it, it came up in the Windows Device Manager as an Unknown Device. I tried to update its driver to no avail. I also followed the wiki page to try using the "GPS Connect" device driver, but that didn't work either. When I plug in the Netduino, I get the three fast low-pitch beeps.

Did I brick my Netduino Plus? Is there anything I can do to get it to update so I can switch between the Plus and Plus 2 easily?

#2 Chris Walker

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Posted 11 November 2012 - 08:09 AM

Hi Dave M.,

Did I brick my Netduino Plus? Is there anything I can do to get it to update so I can switch between the Plus and Plus 2 easily?

When you connect 3V3 power to the ERASE pad, it erases everything off your Netduino Plus 1. At that point you need to install Atmel SAM-BA (see the firmware reflashing instructions) so that you have an Atmel bootloader driver for your board.

Once you flash TinyBooter via SAM-BA, you'll see your Netduino Plus in MFDeploy again.

Does that help? The operation should be pretty straightforward once we get past the first steps here.

Chris

#3 Dave M.

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Posted 11 November 2012 - 06:25 PM

Hi Chris,

Thanks for the reply, and the clarification. I did already download and install the Atmel tool, but when I launch it, I can't select any hardware. I had assumed this was because the Netduino comes up as an unknown device now. Basically, in SAM-BA, all I can click is Exit -- everything else is grayed out. So I thought that my next step would be to get the Netduino Plus to be recognized by the OS as a serial port. BTW, I'm running Windows 7 x64.

Thanks!

Hi Dave M.,


When you connect 3V3 power to the ERASE pad, it erases everything off your Netduino Plus 1. At that point you need to install Atmel SAM-BA (see the firmware reflashing instructions) so that you have an Atmel bootloader driver for your board.

Once you flash TinyBooter via SAM-BA, you'll see your Netduino Plus in MFDeploy again.

Does that help? The operation should be pretty straightforward once we get past the first steps here.

Chris



#4 Dave M.

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Posted 11 November 2012 - 06:34 PM

Very odd. I found another post here from a person that had the same problem. I tried re-erasing about five times, and the last time it actually recognized the hardware when I plugged it in! (as GPS Camera Detect). I'll continue with SAM-BA now. :)

#5 Chris Walker

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Posted 11 November 2012 - 06:36 PM

Very odd. I found another post here from a person that had the same problem. I tried re-erasing about five times, and the last time it actually recognized the hardware when I plugged it in! (as GPS Camera Detect). I'll continue with SAM-BA now. :)

SAM-BA is a great tool, but it can be finicky :)

Chris

#6 Dave M.

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Posted 11 November 2012 - 06:51 PM

Looks like I'm up and running again! Now I can use my Netduino Plus and Plus 2 with the same environment. Sweet!

And it looks like my memory was bad. The Netduino Plus, running in a tight loop, could toggle the LED at about 6.25kHz, vs. the Plus 2's 13.9kHz.

SAM-BA is a great tool, but it can be finicky :)

Chris






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