> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# FreeRTOS

Understand the Real-Time Subsystem (RTSS) on Qualcomm® Linux® including how to configure and integrate the RTSS components, and use its supported features.

## **Get started with RTSS**

> [card] [RTSS overview](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/RTSS-overview.md)
>
> Learn about the product features and its functionality.

> [card] [RTSS hardware architecture](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/RTSS-architecture.md)
>
> Learn about the key components of the hardware architecture.

> [card] [RTSS software architecture](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/RTSS-architecture.md)
>
> Learn about the key components of the software architecture.

## **Build RTSS**

> [card] [Build RTSS firmware](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/Build-RTSS-firmware.md)
>
> Learn how to build RTSS firmware.

> [card] [Add partitions to SPINOR flash memory](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/Add-partitions-to-SPINOR-flash-memory.md)
>
> Learn how to create and partition the SPINOR flash memory.

## **Interfaces overview**

> [card] [RTSS interfaces overview](Addendum/RTSS-interfaces-overview)
>
> Learn about the default QUP configurations, RTSS\_QUP assignments, and QUP serial engine customization.

## **Troubleshoot RTSS**

> [card] [Debug RTSS](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/Debug-RTSS.md)
>
> Use sample logs to debug RTSS issues.

> [card] [RTSS test commands](https://dragonwingdocs-staging.qualcomm.com/Addendum-docs/RTSS/Addendum/RTSS-test-commands.md)
>
> Run various RTSS-supported unit test commands to test drivers.

## **References**

> [card] [References](https://docs.qualcomm.com/doc/80-80023-42/topic/appendix.html)
>
> Know about the related documents and definitions.