Keyboard Hotkey support UWP App and driver solution

Scope

• Keyboard filter driver to capture key presses
• Windows Service to process key presses and perform different operations
• UWP Application to display system information, and communicate to the driver through HSA
• Driver has to adhere to DCHU (Universal driver architecture)
  • Extended functionality through Extension drivers and software components
• Windows 10S support
• Servicing of Driver packages through Windows Update (WU)
• Servicing of UWP Application from Windows App Store

Solution

• The keyboard filter driver was developed as a base driver. This captures the keystrokes and passes on to Hotkey Win32 Service
• The extension driver creates software component node. Win32 service is installed as software component
• Hotkey UWP App is a Hardware Supported Application (HSA)
• Version Binding has been adopted for resolving version mismatch between driver and app
• Migration Blocker has been provided to OS Image so that legacy Hotkey can be replaced with UWP solution without issues.

Benefits

• Better user experience with the use of dedicated keys on the keyboard
• Hassle-free versioning, updates

Results

• The first HSA solution for customer division
• Supported customer with driver targeting, driver flighting and serving through WU and App store