CrossWork youtube example for LED blink

Hi, forum,

I am following this CrossStudio video link for the LED blink example. The difference in my setup with this video is 1. I am using a JLink to connect to the program, and 2. my chip is different.

Please let me know where can I find the code the narrator uses here (led.c).

Also, when I use the routine cycle() in my C environment, it gives me an error. How in this video did they use that?

Last question:  In the video they used: ctl_board_set_leds(1)   to turn on the LED of "THEIR BOARD". Does this command work on MY board, which is different?

Thank you!

https://www.youtube.com/watch?v=O-9kx-NVYOE