Mercurial > hp34970-firmware / file comparison
comparison: lib/keypad/Keypad.h
lib/keypad/Keypad.h
- changeset 24
- b43536c064f6
- child 26
- 86f099bda525
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| 23:daf26b083899 | 24:b43536c064f6 |
|---|---|
| 1 | |
| 2 #ifndef KEYPAD_H | |
| 3 #define KEYPAD_H | |
| 4 | |
| 5 #include "mbed.h" | |
| 6 #include "rtos.h" | |
| 7 #include <vector> | |
| 8 | |
| 9 | |
| 10 | |
| 11 typedef Callback<void(uint8_t, uint8_t)> keyevent_callback_t; | |
| 12 | |
| 13 class Keypad { | |
| 14 public: | |
| 15 Keypad(uint8_t nRows, DigitalIn rows[], | |
| 16 uint8_t nColumns, DigitalOut cols[], | |
| 17 int debounce_ms=20); | |
| 18 | |
| 19 /** Destructor | |
| 20 */ | |
| 21 ~Keypad(); | |
| 22 | |
| 23 void attach(const keyevent_callback_t& kp_callback=NULL, | |
| 24 const keyevent_callback_t& kr_callback=NULL); | |
| 25 | |
| 26 void start(void); | |
| 27 void stop(void); | |
| 28 | |
| 29 | |
| 30 protected: | |
| 31 std::vector<DigitalIn> _rows; | |
| 32 std::vector<DigitalOut> _columns; | |
| 33 int _debounce; // miliseconds | |
| 34 | |
| 35 void _kp(); | |
| 36 void _kr(); | |
| 37 void _keyPressed(int row); | |
| 38 void _keyReleased(int row); | |
| 39 void run(); | |
| 40 | |
| 41 private: | |
| 42 keyevent_callback_t _kp_callback; | |
| 43 keyevent_callback_t _kr_callback; | |
| 44 bool _started; | |
| 45 Thread _loop; | |
| 46 //tloop.start(&loop); | |
| 47 uint8_t _nrows; | |
| 48 uint8_t _ncols; | |
| 49 uint8_t *_keys; | |
| 50 }; | |
| 51 | |
| 52 | |
| 53 #endif // KEYPAD_H |
