About Paul3

Paul3 · 2019-10-11

I'm using an STM32L496 on a custom board and using USB CDC configured through CubeMX (STM32Cube FW_L4 V1.14.0). This connects to a Windows 10 laptop. Randomly I get "USB device not recognised". I can go days without the issue and then it suddenly ap...

Paul3 · 2023-09-22

That worked for me i.e. changing Half Word to Word. Thanks!

Paul3 · 2019-11-28

I'm often restarting (or connecting/disconnecting USB) the STM32 to test out new features ... and there's often a virus scan running in the background. Just tried with an 8MHz crystal on HSE and the problem is still there. At the moment I can live wi...

Paul3 · 2019-11-15

Hi Jan,I have a further update. The issue seems to be fixed on my home laptop but not on my work laptop where it correlates almost exactly with the twice daily virus scan (CPU running at >30%) that my company insists on doing!Paul

Paul3 · 2019-11-15

Hi Dave,I know this question was asked over 6 months ago but I too have been having difficulty with this. To help any others in the same situation, I share what worked for me. Basically, I compared the working Nucleo-L496 CubeMX example (FLASH_DualBo...

Paul3 · 2019-11-04

Thanks for all the responses to this.Adding some more detail and the fix (I hope). I tried different laptops, cables etc. but it made no difference. I think the problem got worse after upgrading to STM32Cube FW_L4 V1.14.0. The USB host correctly read...

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