Title: Debugging Code on Ebyte E73-2G4M08S1C Using D+ and D- Lines

[Usha]

Question:
I am working with the Ebyte E73-2G4M08S1C module, which is based on the nRF52840. The module provides D+ and D- lines. Can these lines be used for debugging and programming the module? If so, what is the correct procedure to use them for debugging, and do I need any specific configuration in the firmware or hardware?

Any guidance would be greatly appreciated. Thank you!

O

[Kenneth]

Hello,

If you haven't already I suggest to check out the developer academy (https://academy.nordicsemi.com/) to get started with developing for all nRF variants.

The D+ and D- lines refer to USB pins (in addition you need VBUS for power and GND for ground) that you can connect to a USB port on the PC. They can be used for logging, but for programming you need to use SWD. Once you have SWD pins for programming the most common is to also debug over SWD pins. 

If you are only interested in logging then you can use UART or USB, ref:
https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/test_and_optimize/logging.html#logging_backends 

If you are interested in logging over USB I suggest you take a look at this case:
Logging over USB CDC ACM with nRF52840 Dongle 

Kenneth

[Usha]

how can i see log data using USB