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Netduino 2 WITHOUT firmware...


Best Answer Sigma7, 26 August 2013 - 09:34 PM

Nevermind/SORRY...

 

I'm still confused.. but after a dozen or so attempts.. it actually worked!  Sorry for "crying wolf" (though I'm completely at a loss to explain why it didn't work the first N-1 times).

 

Tom

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#1 Sigma7

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Posted 26 August 2013 - 09:07 PM

I have played around with several Netduino types (Netduino Mini, Netduino (1), Netduino Plus and Netduino 2)...

 

On the Netduino 2, I power it up with the button (BTN) held down (and Windows thinks the USB device is a "STM32FBOOTLOADER").  Then I'm able to download my firmware with STM's "DfuSe Demo (v3.0.3)" program.  This has worked fine for three Netduino 2's that I've gotten over the past year.  But I just ordered/received another one.. and the DfuSe download/upgrade seems (?) to work fine... but I can't get any response for the Netduino 2.  Any thoughts on what I can try?

 

(The firmware I'm downloading is an extremely simple boot monitor (command interpreter) that uses USART2.  And I use an ADAfruit 954 USB-to-TTL cable on Digital I/O pins 2 (RX) and 3 (TX).)

 

Thanks,

 

Tom



#2 Sigma7

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Posted 26 August 2013 - 09:34 PM   Best Answer

Nevermind/SORRY...

 

I'm still confused.. but after a dozen or so attempts.. it actually worked!  Sorry for "crying wolf" (though I'm completely at a loss to explain why it didn't work the first N-1 times).

 

Tom



#3 Chris Walker

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Posted 26 August 2013 - 11:27 PM

Hi Tom, One other tip: if you're loading custom firmware onto your devices, especially, be sure to run STDFU Tester first and erase all blocks of your flash...before pushing your custom firmware onto the board. Chris




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