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Embedded systems for supporting computer accessibility
Davide Mulfari1, Antonio Celesti1, Maria Fazio1
1DICIEAMA, Faculty of Engineering, University of Messina (Italy),
Studies in Health Technology and Informatics
|August 22, 2015
Summary
This study presents a novel assistive technology (AT) solution using open-source hardware and a Linux embedded system. It enables users with disabilities to control diverse computing devices with a single AT tool via USB HID commands.
Area of Science:
- Computer Science
- Human-Computer Interaction
- Assistive Technology
Background:
- Customized assistive technology (AT) software enables users with disabilities to interact with computer systems via personal devices.
- Existing AT solutions often require specific configurations for different target devices.
- A unified approach is needed to control various computing platforms without specialized software installation.
Purpose of the Study:
- To investigate a method for using existing AT equipment to access diverse devices without requiring assistive preferences.
- To develop a versatile solution that leverages open-source hardware and affordable embedded systems.
Main Methods:
- Utilizing an affordable Linux embedded system as the core component.
- Capturing data from assistive software running on the user's personal device.
- Processing data to generate native Human Interface Device (HID) keyboard and mouse commands for target devices.
- Employing the USB HID protocol for command transmission.
Main Results:
- The developed solution successfully controls various computing devices, including conventional computers and mobile devices.
- The system supports any operating system on the target machine.
- No specialized software installation is required on the target devices.
Conclusions:
- A single assistive tool can be used to control a wide range of computing platforms, enhancing accessibility.
- The integration of open-source hardware and embedded systems offers an affordable and flexible AT solution.
- This approach significantly reduces the complexity for users with disabilities to interact with multiple devices.
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