stay W800_SDK Right click on the project, choice ADD SOURCE FOLDER, Choose your own code folder, For example, mine D: W801MYCODE, such mycode And its subfolders will be added. It will also be automatically added include catalogue, Directly in the code include That's fine.

tls_rtc_timer_start (&tblock) ;
This will start running the clock, No initial value required, But it will come from 0 year 1 month 0 spot 0 branch 0 Start running in seconds