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Improve I2C Startup Reliability and Add Repeater Support
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@AndyLindsay AndyLindsay released this 08 Jul 04:45
v1.2.0
fc0578d
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This release addresses two important I2C-related issues affecting cyber:bot and MakeCode compatibility.

Bug Fix: I2C Connection Reliability (#6)

Improved the state machine for I2C initialization to ensure consistent startup behavior under these conditions:

  • Power on (USB connected or not)
  • Reset button press (USB connected or not)
  • Loading new scripts with any power switch setting (0, 1, or 2)

This resolves intermittent failures to establish communication between the micro:bit and the cyber:bot board.

Enhancement: I2C Repeater Support (#8)

Added logic equivalent to the i2crepeat feature from the Python module, enabling the MakeCode extension to:

  • Support downstream I2C devices connected via the cyber:bot board
  • Mirror the behavior expected in Python-based cyber:bot applications

These changes enhance reliability and compatibility with external I2C devices in classroom and development environments.

  • Safe for classroom use
  • Backward compatible with previous scripts
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