SDK17.2 uart no log

[yoyou]

Hello,

SDK17.2,keil5, nRF21540-DK

the uart can't log output, i've no idea.

PS: \nRF5_SDK_17.0.2_d674dde\examples\peripheral\uart\   can got uart log

   

Best regards

[Hung Bui]

Hi, 

Please check if you added retarget.c into your project. 

[yoyou]

thanks