Unijoysticle 2 - firmware v0.5-rc2

[0.5-rc2] - 2019-12-14

Added

• Firmware: Support for Nintendo Wii Classic Controller / Classic Controller Pro
• Firmware: Added support for Nintendo Wii Nunchuk
• Firmware: PC platform: added support for "delete keys" and "enable enhanced mode"
  via command line.

Changed

• Firmware: After swapping the joysticks ports, the joysticks lines are "Off".
  Prevents leaving unexpected lines as "On".
• Firmware: Wii driver: clean up code. Added "instance" concept, easier to mantain.
• Firmware: Auto-fire in enhanced mode is swapped.
  Button "Shoulder Left" triggers auto-fire in to Joy A.
  Button "Shoulder Right" triggers auto-fire in Joy B.
• Firmware: Improved debug logging in "PC platform".
• Firmware: Code is more readable in uni_gamepad.c.
• Firmware: When two controllers are connected, the two LEDs are turned on.