Chris Styles
This example positions a lit LED in the I2C LED array using the rotary encoder
RotaryEncode.h@0:498b9b4a7bb9, 2010-03-02 (annotated)
- Committer:
- chris
- Date:
- Tue Mar 02 08:27:23 2010 +0000
- Revision:
- 0:498b9b4a7bb9
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| chris | 0:498b9b4a7bb9 | 1 | /* Rotary Encoder |
| chris | 0:498b9b4a7bb9 | 2 | * (c) 2009, cstyles |
| chris | 0:498b9b4a7bb9 | 3 | */ |
| chris | 0:498b9b4a7bb9 | 4 | |
| chris | 0:498b9b4a7bb9 | 5 | #ifndef ROTARY_ENCODE_H |
| chris | 0:498b9b4a7bb9 | 6 | #define ROTARY_ENCODE_H |
| chris | 0:498b9b4a7bb9 | 7 | |
| chris | 0:498b9b4a7bb9 | 8 | #include "mbed.h" |
| chris | 0:498b9b4a7bb9 | 9 | |
| chris | 0:498b9b4a7bb9 | 10 | #define R_W 0 |
| chris | 0:498b9b4a7bb9 | 11 | #define R_L1 1 |
| chris | 0:498b9b4a7bb9 | 12 | #define R_L2 2 |
| chris | 0:498b9b4a7bb9 | 13 | #define R_L3 3 |
| chris | 0:498b9b4a7bb9 | 14 | #define R_R1 4 |
| chris | 0:498b9b4a7bb9 | 15 | #define R_R2 5 |
| chris | 0:498b9b4a7bb9 | 16 | #define R_R3 6 |
| chris | 0:498b9b4a7bb9 | 17 | |
| chris | 0:498b9b4a7bb9 | 18 | |
| chris | 0:498b9b4a7bb9 | 19 | class RotaryEncode { |
| chris | 0:498b9b4a7bb9 | 20 | |
| chris | 0:498b9b4a7bb9 | 21 | public: |
| chris | 0:498b9b4a7bb9 | 22 | |
| chris | 0:498b9b4a7bb9 | 23 | RotaryEncode(PinName A, PinName B); |
| chris | 0:498b9b4a7bb9 | 24 | int read (void); |
| chris | 0:498b9b4a7bb9 | 25 | |
| chris | 0:498b9b4a7bb9 | 26 | protected: |
| chris | 0:498b9b4a7bb9 | 27 | |
| chris | 0:498b9b4a7bb9 | 28 | BusIn _rotary_in; |
| chris | 0:498b9b4a7bb9 | 29 | Ticker _ticker; |
| chris | 0:498b9b4a7bb9 | 30 | void _ticker_handler (void); |
| chris | 0:498b9b4a7bb9 | 31 | |
| chris | 0:498b9b4a7bb9 | 32 | int _position; |
| chris | 0:498b9b4a7bb9 | 33 | int _state; |
| chris | 0:498b9b4a7bb9 | 34 | int _e; |
| chris | 0:498b9b4a7bb9 | 35 | |
| chris | 0:498b9b4a7bb9 | 36 | }; |
| chris | 0:498b9b4a7bb9 | 37 | |
| chris | 0:498b9b4a7bb9 | 38 | #endif |