- Add event registration and triggering functionality
- Implement event callback mechanism
- Update exint_send to support event type
- Modify alarm and command handlers to use event mechanism
- Update test cases for event handling
- Add UDP and Unix socket transport options for telemetry data
- Implement new handler functions for text and audio data
- Update configuration file format to support new transport options
- Refactor existing code to accommodate new functionality
- Add transport layer abstraction for COM and UDP communication
- Refactor handler definitions and processing logic
- Improve error handling and logging
- Remove unnecessary global variables and pthread usage