NRF_LOG not working on Segger Embedded Studio

Mauricio Farina
7 months ago

Greetings,

I'm having some trouble displaying logs to the SES Debug Terminal... Basically, I can see the logs with RTTviewer but not in SES Debug Terminal. However printf works just fine on the SES Debug Terminal

My setup:

OS: Windows 10

Board: NRF52-DK

SDK: 15.3.0

Example: peripheral\bsp

IDE: Segger Embedded Studio 4.16

After reading lots of posts and documentation that's what I've done so far:

1) tried many other examples and got the same problem

2) NO, I'm not using RTTviewer and SES Debug Terminal at the same time

3) On SDK_Config.h made sure that settings are:

NRF_LOG_BACKEND_RTT_ENABLE 1
NRF_LOG_BACKEND_RTT_ENABLE 0
NRF_LOG_ENABLE 1
NRF_LOG_DEFFERED 1
NRF_LOG_DEFAULT_LEVEL 3 //AKA Info

4) Tried to build clean, build Debug, build Release

5)  On main:

Initializing NRF_LOG:

APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
NRF_LOG_DEFAULT_BACKENDS_INIT();

On main loop:

NRF_LOG_INFO("BSP example started.");
NRF_LOG_FLUSH();

6) If instead of NRF_LOG_INFO I use printf the SES Debug Terminal prints my message just fine

7) If I open the SES J-Link Control Panel Window while debugging, I can see the message on the RTT tab, but still not in Debug Terminal:

8) Verified Project Debug Settings:

9) Tried changing NRF_LOG_FLUSH() to NRF_LOG_PROCESS() . No difference...

10) I also notice that something is been send to the Debug Terminal because the cursor moves to a new line every time a new NRF_LOG should be displayed.

Any ideas of what I am doing wrong?

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