| 15 | |
| 16 | |
| 17 | class rotaryDecoder |
| 18 | { |
| 19 | public: |
| 20 | explicit rotaryDecoder(const int8_t address, TwoWire *wire = &Wire); |
| 21 | |
| 22 | #if defined (ESP8266) || defined(ESP32) |
| 23 | bool begin(uint8_t sda, uint8_t scl, uint8_t count = 4); |
| 24 | #endif |
| 25 | |
| 26 | bool begin(uint8_t count = 4); |
| 27 | bool isConnected(); |
| 28 | |
| 29 | void readInitialState(); |
| 30 | |
| 31 | // for polling version, |
| 32 | // checkChange is bit faster than a call to update |
| 33 | // so useful if there are only a few updates |
| 34 | bool checkChange(); |
| 35 | |
| 36 | // read and update the counters |
| 37 | bool update(); // assumes two directions => +1 and -1 |
| 38 | bool updateSingle(); // assumes single direction => + ++ +++ |
| 39 | |
| 40 | // re = rotary encoder |
| 41 | int32_t getValue(uint8_t re) { return _encoder[re]; }; |
| 42 | void setValue(uint8_t re, int32_t value = 0) { _encoder[re] = value; }; |
| 43 | |
| 44 | // DEBUG |
| 45 | uint8_t getLastPosition(uint8_t re) { return _lastPos[re]; }; |
| 46 | |
| 47 | |
| 48 | private: |
| 49 | uint8_t _count = 0; |
| 50 | uint8_t _lastValue = 0; |
| 51 | uint8_t _lastPos[4] = { 0,0,0,0 }; |
| 52 | int32_t _encoder[4] = { 0,0,0,0 }; |
| 53 | |
| 54 | uint8_t _read8(); |
| 55 | uint8_t _address; |
| 56 | TwoWire * _wire; |
| 57 | }; |
| 58 | |
| 59 | |
| 60 | // -- END OF FILE -- |