USBD don't work with debugger

[Dusautois Jérôme]

Hi,

I try sample code usbd with PCA 10056 and it work. On my custom board, same sample work fine too. But when I plug jtag, and try to debug my code, usbd can't be enabled. The nrf_drv_usbd_enable function infinites loop in waiting ready event.

My board is powered by USB.

Can you help me to fix this issue ?

Best regards, Jérôme

[MartinBL]

1. What do you mean by JTAG? The PCA10056 supports SWD, but not JTAG.

[Dusautois Jérôme]

Hi,

On my Own board, I use SWD port with J-Link Jtag Ultra.

[MartinBL]

Are you using the exact same code on your PCA10056 and your custom board? If not, have you tried?

[Dusautois Jérôme]

Hi, Yes it is the same code.

[MartinBL]

How are you powering your board? Can you try to power it by a sepparate supply (not by USB)? Our developers recommend doing this while developing.

If this isn't working, what SDK version are you using?