Class Hierarchy

This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234]

CBitwiseState	Per-key state tracking (now / prev / edge / hold / repeat) with timestamps
CButtonEventDetector	Per-key click/long-press recognizer mirroring iot_button v4.1.4 timing
CCardKB2ModifierState	Tracks Sym (toggle + momentary), Caps (one-shot/lock/hold) and Fn (momentary) from key edges, mirroring the CardKB2 firmware's iot_button handlers. Pure logic; no M5 / key-constant dependency
▼CComponent
▼Cm5::unit::UnitKeyboard	Base class of the Keyboard Unit
Cm5::unit::UnitCardKB2	Card-size 42 key QWERTY keyboard — I2C mode (SKU:U215)
▼Cm5::unit::UnitKeyboardBitwise	Class supporting keyboard state acquisition by key press bits
Cm5::unit::UnitCardKB	Card-size 50 key QWERTY keyboard
Cm5::unit::UnitCardKB2UART	Card-size 42 key QWERTY keyboard — UART mode (SKU:U215)
Cm5::unit::UnitFacesQWERTY	QWERTY is a full-featured keyboard panel adapted to FACE_BOTTOM
Cm5::unit::UnitTab5Keyboard	Tab5 built-in keyboard unit connected via I2C ExtPort1
Cm5::unit::UnitCardKB2::config_t	Settings for begin
Cm5::unit::UnitCardKB2UART::config_t	Settings for begin
Cm5::unit::UnitCardKB::config_t	Settings for begin
Cm5::unit::UnitFacesQWERTY::config_t	Settings for begin
Cm5::unit::UnitTab5Keyboard::config_t	Settings for begin
Cm5::unit::tab5_keyboard::Event	Unified event payload for all 3 operation modes (tagged union, POD)
Cm5::unit::tab5_keyboard::HidMapping	HID Usage Code + base modifier byte for a Tab5 Keyboard matrix position
▼CPeriodicMeasurementAdapter
Cm5::unit::UnitKeyboardBitwise	Class supporting keyboard state acquisition by key press bits
Cm5::unit::UnitTab5Keyboard	Tab5 built-in keyboard unit connected via I2C ExtPort1