USB Audio - Error code 43

[AA.10]

Hi,

I have implemented USB audio (on my project) which is based on the memsmic1 example project.

The MCU i am using is STM32L496x, under keil IDE.

the device is recogined by window as audio device but, when i disconnect and reconnect again, I am having an Error Code 43,because a request for the USB device descriptor was failed.

did someone had this problem before? is there a way to solve it beside shutdown the device

?

Thanks, Avi

[Imen.D]

Hello,

Check the state of the DP and DM signal lines.

May be you have swapped USB D+/D- lines.

[AA.10]

Hello,

but it's not happening in HID or MSD profile.

Avi