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Linux Device Driver Exploration on BeagleBone Black

This project explores various Linux device driver development approaches for the BeagleBone Black single-board computer. It emphasizes user-space interaction techniques and leverages the device tree and sysfs mechanisms.

Implemented Drivers:

  • Pseudo Character Device Driver: A fundamental driver providing a basic user-space interface.
  • Pseudo Character Platform Driver: Utilizes the platform bus framework for more advanced interactions.
  • Pseudo Character Device Tree and Overlay: Defines and configures the device node using the device tree and overlays.
  • Pseudo Character Device sysfs: Exposes attributes and functionalities through the sysfs filesystem.
  • GPIO sysfs for BeagleBone Black: Demonstrates control and interaction with GPIO pins via sysfs.

Project Benefits:

  • Hands-on Learning: Practical experience with different Linux device driver development concepts.
  • Driver Framework Understanding: Explores platform bus and device tree mechanisms for driver configuration.
  • User-Space Interaction: Showcases techniques for exposing driver functionalities to user-space applications using sysfs.
  • BeagleBone Black Expertise: Deepens understanding of the BeagleBone Black's hardware and software architecture.

Technical Skills Highlighted:

  • Linux Device Driver Development: Proficiency in writing and implementing Linux device drivers.
  • Device Tree and Overlay Knowledge: Understanding of device tree structure and overlays for driver configuration.
  • sysfs Interfacing: Ability to expose driver functionalities through the sysfs filesystem.
  • BeagleBone Black Hardware Interaction: Knowledge of the BeagleBone Black's GPIO capabilities and sysfs control.

Getting Started (refer to individual driver documentation for detailed instructions):

  1. Clone this repository.
  2. Build the kernel modules containing the implemented drivers.
  3. Load the modules using insmod command.
  4. Refer to the individual driver documentation for user-space interaction methods.

Disclaimer:

While the provided drivers are functional, further modifications and adaptations might be required for specific use cases.

This README provides a basic overview of the Linux device driver exploration project on BeagleBone Black. Refer to the individual driver documentation for detailed information on usage and functionalities.