Usb => Ps2Mouse v0.2

Author: ChrisDeadman

Convert a USB mouse into a PS/2 mouse with the power of arduino :-)

Note: This is obsolete and has been superseded by usb-to-ps2-gameport-hat.

Notes

• Provides IntelliMouse support (5 buttons + scrollwheel)
• Watchdog timer is enabled and configured to 4sec
• You need to lower USB_XFER_TIMEOUT (e.g. to 50) in UsbCore.h (part of the used platform library)
  Usb.Task() may otherwise take longer than the watchdog's timeout and the chip will just reset over and over
• Diagnostic information is available via Serial1 - of course not USB since where else would you plug your mouse :D
  Sent/Received data + Status is returned by sending any character to Serial1 @ 115200 8N1
• Use an USB OTG cable to connect your USB mouse to the board
• CLOCK(pin8) and DATA(pin2) pins can be changed in PS2PortSAMD21.h
  check avrfreaks for instruction on how to hook up a PS/2 connector to it
• Don't forget that SAMD21 has 3.3V rated pins, so you should really use level-converters to avoid any damage
• Note that PS/2 ports are only rated up to 250mA, so be careful which USB devices you connect

(Known) Limitations

• It is not a keyboard (altho the included PS2Device library can be used to build one)

Supported Arduino Boards

• ATSAMD21G18 (developed on SparkFun SAMD21 Mini Breakout)

Low-level documentation about the PS/2 protocol can be found at avrfreaks

Release notes

Usb => Ps2Mouse v0.2

• Switch to PlatformIO IDE
• Move PS2 code to dedicated PS2Device library for better usability
• Implement custom HIDMouseController for 5 button + scrollwheel support
• Add IntelliMouse support (5 buttons + scrollwheel)

Usb => Ps2Mouse v0.1

• Initial version