NRF52832 PCB RTT viewer problem

[damar]

I have a  PCB made for my project. I want to read log from RTT. When I try the same software in the development kit, I can read from RTT. But when I want to read from the PCB, I cannot see any value. What could be the reason for this? Thanks

[Einar Thorsrud]

Hi,

RTT does not have any HW dependencies (as long as you have SWD working that is enough). Does your firmware run on the custom board at all? Have you debugged to see if the application runs? If you have not properly ported the firwmare to your custom board it could be that there are problems before RTT loging is started. (Typical issues when going from a DK to custom hardware is forgetting to disable the 32.768 kHz xal oscillator if the custom board does not have it, or forgetting to diable the DCDC if the custom board does not have the requiered external components for that).