FreeRTOS for SAMD20 Explained Pro Atmel kit

Hi, I am very new to RTOS and had experienced on microcontroller using C only. I want to have some idea how to start using FreeRtos on SAMD20 explained pro kit. I have evaluated some FreeRtos demo code on the kit. But I need some document for having good hands on experience. Every time when I start on that I just went into lot of documentation of FreeRtos and then gone away in some other direction. Thanks in Advance.

FreeRTOS for SAMD20 Explained Pro Atmel kit

What is it you are looking for? I presume you have tried the demo in the download. The website has lots of excellent information (although chaotically organized if that is ok to say). You can also buy a book for $25.