Please post us back with more information to help you better. Please, help me solve the problem. No drivers can be found anywhere. Refer to the link: Also what OS on PC you got. So, some numbers are different from original data.

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c# – AVR32 UC3 USB data loss in cdc device mode – Stack Overflow

But this is not related to computer issues or Windows Does it work with my code? Post as a guest Ddvice. Please post us back with more information to help you better. Also check the USB port should be 2. But when I send data from USB some bytes are lost. Read returns the amount of bytes read. Some bytes are lost.

Ub Yuonne, Thank you for posting in Microsoft Community. Sorry this didn’t help. In any case, many thanks to all advice. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number.

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Tech support scams are an industry-wide issue where scammers attempt to trick you into paying for unnecessary technical support services. Thanks for your feedback, it helps us improve the site. Is it a Bootloader device connected through USB? This site in other languages x.

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But only dveice mode has been guarateed the transfer of data. Although the softwares still fail to connect to the devices which appeared in device mansger. In Atmel AVR in table showed the following endpoint types: I do not know, why this happens. Hi, You may get in touch with Apple support for further assistance on this issue. Sign up using Email and Password. Thank you your response. 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, help me solve the problem. Refer to the link: Sign up or log in Sign up using Google. The various operating systems in my MacBook Air work fine, it is clear the problem has to do with software support from the specific astronomy camera which is quite a niche product, many users including I myself have frequent problems and contact tech without effective responses, but my quick and dirty solution now is to go back to use the old computer and a power bank as its new battery for telescope control and image capture, and then transfer the data via external hard drive to my new MacBook Air with Windows 10 and Linux virtualised on devicce for analysis.


Microchip® Advanced Software Framework

Please do let us know if you need any other assistance with Windows in future. It turns out many users have this problem and the camera producer have poor customer support causing widespread frustration. Also what Uf3 on PC you got. Tell us about your experience with our site.