Introduction - If you have any usage issues, please Google them yourself
The Logic Analyzer entry using the introduced MDK Keil
A, this document will be mainly in the picture of the way, with a square wave example, shows you how to use the Logic Analyzer for more details, please read the MDK help explain, there are many wonderful things waiting for you are interested. May help illustrate the need to modify the place in the function case, I believe there will be a very good guide meaning for your learning.