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-
-
- #ifndef _KEYMATRIX_H_
- #define _KEYMATRIX_H_
-
- #ifdef FUNCTION_UI
-
- #include <CircularBuffer.h>
-
- class Keymatrix {
- public:
- class Event {
- public:
- enum EventType {
- button_down,
- button_up,
- no_event
- };
-
- Event(EventType _type, int _row, int _col);
- EventType getType(void);
- int getRow(void);
- int getCol(void);
-
-
-
- int getNum(void);
-
- private:
- EventType type;
- int row, col;
- };
-
- Keymatrix(int _rows, int _cols);
- ~Keymatrix(void);
-
-
- void setPins(int _pins[]);
- void setDebounce(unsigned long ms);
-
- void scan(void);
-
- bool hasEvent(void);
- Event getEvent(void);
-
- private:
- unsigned long debounce;
- const static unsigned long default_debounce = 5;
- unsigned long last_scan_time;
-
- int rows, cols;
- int *pins;
- bool *lastPressed;
- bool *lastState;
-
- CircularBuffer<Event *, 32> events;
- };
-
- #endif
-
- #endif
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