I am trying to open Manage Run-Time Environment to setup STDERR, STDIN and STDOUT so that I can use "printf" to output data values for debug purposes.
However, the Manage Run-Time Environment button has greyed out and I couldn't access into it. (Please see image attached)
I have been looking up lots of articles and I couldn't find any solution to it.
Below is my Keil Version specification.
I am really appreciate if anyone can help me here.
Thank you all very much.
In addition to the above information, below is the MCU I am using
Does this article help?
UVISION: Reset View To Customer Defaults
Another possible reason is that you are running a former MDK4 project.
In this case, it is recommended to re-generate your project with MDK 5.
It helps, thank you!