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Problem reactivating my N2P


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#1 Wernfried

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Posted 31 August 2015 - 06:52 PM

Yesterady, after a long time and updating my laptop to W10, I decided to play again a bit with my N2P. I've got a new shield I would try to include in my app. And yesterday evening I could easily deplay a clean new project (no functionality at all) and I was happy that all worked fine with W10.

 

But today I couldn't deploy it anymore, deployment windows always display "Iteration xx".

Then I tryed MFDeploy, which couldn't find my N2P. So I decided to reinstall firmware 4.3.2. The update tool did it's work, no errors. But MFDeploy still doesn't find the device.

 

The DfuSe Demo can see the device.

 

Any suggestions I can try more to get my N2P to work?



#2 Wernfried

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Posted 01 September 2015 - 07:26 AM

My above post started with "Yesterday"

 

And today I also would start with "yesterday" beacuse yesterday I've had his problem. Today morning I decided to give the problem a new try. And today it works, wihtout any changes since yesterday. The same way it didn't work yesterday it works today.

 

One thing I recognized, may be it gives someone a hint.
When I plug in the USB to the computer, there is a sound when it plugs in and out. This sound I heared today. Yesterday, when I've had the problem, this sound wasn't there. But it happened occationly while the N2P was plugged in. I mean the plug in and out was played randomly and not only once. If someone thinks I should reboot the computer, I did this yesterday felt 100 times.



#3 Wernfried

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Posted 01 September 2015 - 04:18 PM

Here is the next part of the story.

 

Coming home from work I was trying if my N2P is still working and hurra, it did. I coded some lines and tested it. I was happy able to continue after dinner.

 

While sitting at the table and eating something, I heared the the sound as disconnecting from USB. I didn't touch the PC and N2P at that time. And what should I tell, the error is back.

 

Now my question is. I have considered having a bad internet connection (I'm in a hotel with very bad wlan). And in the evening the connection is very often broken. Can this correlate with my problem?



#4 Wernfried

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Posted 05 September 2015 - 06:38 AM

I still havng the problem getting the N2P to work, can anyone help me?

 

What I considered during the last days is, that there is no Netduino driver in the USB folder of the device manager. I deinstalled and reinstalled the Netduino SDK (version from May 2015). The most mysterium for is, why it works for a small time and then it doesn't. I can now reproduce the following. The longer I do not connect the N2P to my laptop, the longer it works. Plugging in the N2P in the morning I get it working for about 10-15 minutes. During this time there is also the Netduino driver shown in the device manager. But when it is disconneceted, and I try it emmidiatly, it doesn't connect again. Only if I wait between to connection for abaout 10-15 minutes, I get a signal, that the N2P is connected, but disconnects emmidiatly.The longer I wait between the tries, the longer it takes until it disconnects. It doesn't matter to rebbot the computer.

 

I assume now, there is a problem with the driver. I uninstalled the driver during the small window it was shown in the devce manager and reinstalled the SDK. Same behaviour as before. Is there a chance to install the driver separately?



#5 Chris Walker

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Posted 09 September 2015 - 11:52 PM

Hi Wernfried,

Do you have another MicroUSB cable that you can test?

Also...when the debugger/driver disconnects, is your app still running on the board? [Blinking an LED or something to let you know that it's alive?]

Chris

#6 Wernfried

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Posted 10 September 2015 - 09:17 AM

I have tested with several MicroUSB cables, since I use several of them, at least 5. All of them work properly with other devices (smart phone, raspberry pi 2).

 

And yes, when I have enough time to deploy to zhe N2P, then the program runs properly, even if I cannot establish a connecion. I have a tested it with a program sennding messages to a REST server and the messages are received there.

 

I assume stil, that the driver does not work properly in W10, because when it doesn't work, it also isn't shown in the drivers list, but it is, when it works.



#7 Chris Walker

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Posted 10 September 2015 - 09:32 AM

Hi Wernfried,

I'm struggling a bit here to figure out a way to help diagnose the issue.

Do you happen to have any other Netduinos, to see if you get the same experience with multiple boards?

I use Windows 10 x64 on my main laptop with Netduino (using the standard Netduino drivers) and haven't had any issues--but drivers can be tricky things.

P.S. Are you running Windows 10 on a Mac by any chance?

Chris

#8 Wernfried

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Posted 10 September 2015 - 09:44 AM

I'm runing W10 on a Lenovo Yoga Pro, unfortunatly I have no time in the next weeks to test it on a desktop pc with W10.



#9 Wernfried

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Posted 21 November 2015 - 12:55 PM

After a very long time today I've has enough time to play with Windows 10 and the Netduino.

I installed a new W10 on my dektop, installed Visual Studo 2015, the MicroFrameWork SDK and the Netduino SDK.

 

And now I can report, thet the behaviour on my Desktop computer is the same as on the Laptop. The USB driver for Netduino permanently connects and disconnects, I can hear it playing the sound. Since the desktop has totally different hardware and all other USB devises work well with both computers, I now assume it must be something wrong with the driver.

 

Does anyone else here use the Netduino with W10?



#10 Wernfried

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Posted 26 November 2015 - 11:49 AM

Is there any chance to get help?

 

If not, then I cannot use the Netduino anymore and because I'm afraid the same behaviour with Netduino 3 I have to search for alternatives.






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