V4.1

Summary

V4.1 is primarily a firmware update with a few minor updates to the hardware, and corresponding improvements to the documentation.

What's Changed

V4.1 Firmware Changes

• TinyUSB Library bug identified, now works with latest version (3.4.2) of the library
• Full calibration changes
  o Moved to "More" menu to prevent Full Calibration from being selected when not necessary
  o Added warning message and confirmation page
  o Added error checking, if joystick was not moved enough during full calibration, use default value instead
• No USB auto mode switch fix
  o 4.0.1 added a feature that if no USB was detected the LipSync would automatically switch to Bluetooth mode, but this caused unintentional effects
  o Now, if no USB is detected, the screen displays an error message and buzzer plays an error tone, but continues to try to connect in the background
  o To change modes, the menu can now be used even if no USB is mounted.
• User Feedback
  o Light Brightness can now be adjusted through Hub menu or API
  o Added additional sounds for startup, powering off, and errors
  o Added information screen to menu
• Error Handling
  o I2C devices are checked on startup and a corresponding error message is displayed
  o Added watchdog implementation
• Added safe mode accessible by Hub Buttons, or triggered during hardware error or watchdog
• Scroll speed can now be adjusted through Hub menu
• Scroll is now calculated differently, at a higher poll rate but not performed every loop, depending on the scroll speed
• Fixed bug where scroll speed was dependent on cursor speed
• Fixed bug in timers, so timer offset now works properly
• Deadzone improved and separated
  o Deadzone was separated into inner deadzone and outer deadzone
  o Output now starts at 0% at the end of the inner deadzone, and goes to 100% at the edge of the outer deadzone

V4.1 Hardware Changes

• Ribs were added to the screw bosses on the LipSync Hub Top and LipSync Hub Bottom to increase strength
• LipSync Mouthpiece was simplified. The updated mouthpiece is comprised of the same hydrophobic syringe filter, a Luer adapter, and a large silicone straw. This simplified design is easier to assemble, easier to clean, and has the added benefit of reducing the overall cost.

V4.1 Documentation Changes

• Maker Guide
  o TinyUSB library - can now use latest version (3.4.2)
  o Added additional assembly step to test joystick components before assembly into Joystick Gimbal and housing
• User Guide
  o Updated to reflect changes to menu structure and full calibration process
  o Expanded troubleshooting with error messages
  o Updated menu to represent changes
• Created LipSync Firmware Upgrade Guide
• Created LipSync Information Sheet

New Contributors

• @jversloot made their first contribution in #47

Full Changelog: v4.0.1...V4.1