An issue with adding an endpoint on the USB Audio journey of LPCXprosso55s69

[MHY_0878]

Hello NXP developers, I recently used the LPCX presso 55s69 board official routine usb_device_composite_hid_audio_unified modify the code, the USB protocol stack I changed from 5 to 6, the USB enumeration passed, but the number of endpoints used is more than 4, the host can not send data to the microcontroller, I want to know why, please help me, thank you.

[MHY_0878]

The problem has been solved. Thank you for your reply.
mhy

[Harry_Zhang]

Hi @MHY_0878 

LPC55S69 supports up to 16 endpoints.

And i checked your project.

BR

Harry