Create tests for currently implemented features in main branch

[zarfld]

Related to #30

Add comprehensive tests for major functionalities and components in the main branch.

• pokeys_userspace/pokeys_analog_io.comp

  • Add unit tests for analog input/output behavior.
  • Verify correct mapping of analog pins.
  • Test response to expected values.

• pokeys_userspace/pokeys_digital_io.comp

  • Add unit tests for digital input/output behavior.
  • Verify correct mapping of digital pins.
  • Test state changes and invert parameters.

• pokeys_userspace/pokeys_pev2.comp

  • Add unit tests for PEv2-related functionalities.
  • Test position feedback (pos-fb) and velocity commands.
  • Verify homing routines and axis states.

• pokeys_userspace/pokeys_poextbus.comp

  • Add unit tests for PoExtBusOC16 functionality.
  • Verify correct mapping of PoExtBusOC16 pins.
  • Test state changes and expected values.

• pokeys_userspace/pokeys_porelay8.comp

  • Add unit tests for PoRelay8 functionality.
  • Verify correct mapping of PoRelay8 pins.
  • Test state changes and expected values.

• pokeys_userspace/pokeys_ponetkbd48cnc.comp

  • Add unit tests for PoNETkbd48CNC functionality.
  • Verify correct mapping of PoNETkbd48CNC pins.
  • Test state changes and expected values.

• pokeys_userspace/pokeys_pwm.comp

  • Add unit tests for PWM functionality.
  • Verify correct mapping of PWM pins.
  • Test state changes and expected values.

• pokeys_userspace/pokeys_counters.comp

  • Add unit tests for counter functionality.
  • Verify correct mapping of counter pins.
  • Test state changes and expected values.

• pokeys_homing.hal

  • Add end-to-end system tests for homing routines.
  • Verify device initialization and interaction with LinuxCNC.
  • Test system response to invalid or extreme inputs.

• pokeys_rt/PoKeysLibCore.c

  • Add performance tests for real-time operations.
  • Verify system responsiveness under load conditions.
  • Test simultaneous IO operations and multiple axes moving.

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For more details, open the Copilot Workspace session.