provide current button state via `Keypad::isKeyPressed()`

Task-Tracker-Systems / Task-Tracker-Device

Sources for a task time recording device.

MIT License

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Closed dhebbeker closed 5 months ago

dhebbeker commented 6 months ago

implements Keypad::isKeyPressed()
adds unit test
- outsource some test infrastructure to test/hmi/test_dummies.cpp such that it can be used by multiple tests
- new unit test is in test/hmi/test_keyState/test_keyState.cpp

Resolves #120