- Introduced a new CSS file for gridstack to enhance layout management.
- Refactored the workspace JSON structure to include a new "workspace" key.
- Changed the main program block to use a "controls_whileUntil" structure.
- Updated various blocks and their configurations, including digital output and variable handling.
- Added a new HMI layout configuration for LED control.
- Updated blockly_app to replace LED blocks with digital input/output blocks.
- Added digitalIn.js and digitalOut.js blocks for reading and writing GPIO states.
- Removed led_on.js and led_off.js blocks as they are no longer needed.
- Modified manifest.js to include new digital blocks.
- Enhanced blockly_executor to handle digital input and output commands.
- Created a new Hardware context class to manage dummy and real hardware modes.
- Implemented GPIO node for Raspberry Pi to handle digital input/output via gpiod.
- Added GpioWrite and GpioRead message definitions for communication between executor and GPIO node.
- Updated tests to cover new digital input/output functionality and removed old LED tests.
- Introduced RealHardware class for communication with hardware nodes via ROS2.
- Updated ExecutorNode to select between RealHardware and DummyHardware based on a parameter.
- Refactored command handlers to use a decorator for registration, simplifying the handler registration process.
- Removed the base HandlerModule class and integrated handler registration directly in the handler functions.
- Updated GPIO and timing command handlers to use the new registration method.
- Added new executor command for running with real hardware.
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