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

# Sensors Addendum documentation

The following resources enable you to get started with typical sensor activities.

## **Sensors overview**

<CardGroup cols={2}>
  <Card title="Qualcomm® sensing hub APIs" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/qsh_api_reference.html">
    Describes Qualcomm® sensing hub (QSH) interfaces and important QSH functions, classes, methods, and data structures.
  </Card>

  <Card title="Software" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/software.html">
    Describes the application processor and low-power processor directory structure.
  </Card>
</CardGroup>

## **Bring up sensors**

<CardGroup cols={1}>
  <Card title="Build and flash an aDSP image" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/bringup_and_develop.html">
    Describes building and flashing an aDSP image on the target device.
  </Card>
</CardGroup>

## **Develop sensors**

<CardGroup cols={3}>
  <Card title="QSH direct channel API workflow" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/qsh_direct_channel_api_workflow.html">
    Describes the proto messages, rate attributes, and channel types for the QSH direct channel API.
  </Card>

  <Card title="QSH sample algorithm and integration" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/qsh-sample-algorithm-and-integration.html">
    Describes procedure to develop custom algorithms using the OEM1 sample algorithm.
  </Card>

  <Card title="Configure sensors" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/configuration_customization.html">
    Describes configuring and modifying QSH.
  </Card>

  <Card title="Develop and integrate sensor drivers" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/developing_sensor_driver_as_per_qsh_design.html">
    Information about developing and integrating custom sensors driver according to the QSH design.
  </Card>

  <Card title="Develop and integrate custom sensor algorithm" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/developing_custom_algorithm_and_integrating_with_qsh.html">
    Describes developing and integrating a QSH-compliant sensor algorithm.
  </Card>
</CardGroup>

## **Troubleshoot**

<CardGroup cols={1}>
  <Card title="Troubleshoot sensors" href="https://docs.qualcomm.com/doc/80-80023-7A/topic/debugging.html">
    Describes common issues and the techniques to analyze and troubleshoot these issues.
  </Card>
</CardGroup>