How to perform DTM test for 52840.

[Mark_Y]

Hi all,

I want to evaluate the performance of BLE. And I use the dtm test example, when I use the cw500 connecting the nRF52840 DK, It always indicates that the EUT connection failed. How should I connect and test. Thanks!

[JONATHAN LL]

You could use any GPIO that is available to you. The DTM_ENABLE pin is optional so you don't need to use it, but it can be nice to have in a production line. It does not seem like the DTM_ENABLE pin is critical for you setup.

How have you connected the nRF52840DK? 

We have a DTM app in the nRF Connect for Desktop that can be used with DK's. Se this section https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/samples/bluetooth/direct_test_mode/README.html#testing-with-nrf-connect-for-desktop 

Regards,
Jonathan