I have the same question 0. Sign up or log in Sign up using Google. In any case, many thanks to all advice. Also check the USB port should be 2. Is it a Bootloader device connected through USB?

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USB (AVR32 UC3 USB DEVICE) won’t install

It turns out many users have this problem and the camera producer have poor customer support causing widespread frustration. But when I send data from USB some bytes are lost.

Sign up using Facebook. Thanks for marking this as the uv3. Please do let us know if you need any other assistance with Windows in future. Also what OS on PC you got. In Atmel AVR in table showed the following endpoint types: Hi Yuonne, Thank you for posting in Microsoft Community.

To read chunk of data of length N you should buffer yourself the data and only check the content when you reach N bytes. Please post us back with more information to help you better.


This site in other languages x. Is it a Bootloader device connected through USB?

Microchip® Advanced Software Framework

In reply to Mayank Gupta10’s post on February 8, By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Sign up or log in Sign up using Google. To understand the issue better, I suggest you to answer the below questions.

Does it work with my code? Please, help me solve the problem. I am a computer user but obviously no computer expert. I have the same question 0. Stack Overflow works best with JavaScript enabled.

LUFA Library: Atmel Bit UC3 AVR (UC3)

Read returns the amount of bytes read. Some bytes are lost. Thank you your response. But only bulk mode has been guarateed the transfer of data. Sorry devuce didn’t help. Post as a guest Name. What type of devices are these, as mentioned above is USB, but what exact device is it?


We will be happy to assist you. In case of Windows on slower machines like notebooks if OS devicd too busy like with gfx then USB CDC bulk transfer tends to lose sync and create pauses in transfer in driver layer.

Did this solve your problem? I do not know, why this happens.

No drivers can be found anywhere. I have since then able to install and connect to my astronomical camera, by isolating Windows from Mac during installation in Mac’s parallel desktop virtualisation.