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Driver Development Kit (DDK) Developer's Guide
The Driver Development Kit (DDK) Developer's Guide is for developers who build device drivers for the QNX OS.
Human interface device (HID) DDK
HID library reference

Introduction
This introduction provides an overview of QNX Everywhere, how to get a QNX Software Development Platform license, and where to get support.
Self-Hosted Developer Desktop Guide
This guide provides instructions for building applications on QNX OS 8 using the self-hosted desktop, without the need for cross-compilation. It's built on the XFCE (XForms Common Environment) desktop environment, allowing QNX Everywhere users to start building QNX apps with minimal setup and friction.
Quick Start Target Image (QSTI)
This guide provides instructions on how to set up the Quick Start Target Image (QSTI) on a Raspberry Pi.
Custom Target Image (CTI)
This guide provides instructions on how to set up the Custom Target Image (CTI) on a Raspberry Pi.
Interfacing with your hardware
This chapter describes how to communicate with your given hardware.
The QNX Porting Guide
This guide provides comprehensive information on porting software from Linux to QNX.
Driver Development Kit (DDK) Developer's Guide
The Driver Development Kit (DDK) Developer's Guide is for developers who build device drivers for the QNX OS.

HID library reference

This section describes the io-hid APIs, which are declared in sys/hiddi.h and sys/hidut.h.

Page updated: January 08, 2026