Ian Aherne
driver for incremental encoder
decoder.h@0:c3a05fe15b84, 2019-01-08 (annotated)
- Committer:
- ianaherne
- Date:
- Tue Jan 08 17:10:13 2019 +0000
- Revision:
- 0:c3a05fe15b84
- Child:
- 1:017efde7ab29
working counting up and down and directional information
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| ianaherne | 0:c3a05fe15b84 | 1 | #ifndef DECODER_H |
| ianaherne | 0:c3a05fe15b84 | 2 | #define DECODER_H |
| ianaherne | 0:c3a05fe15b84 | 3 | #include "mbed.h" |
| ianaherne | 0:c3a05fe15b84 | 4 | |
| ianaherne | 0:c3a05fe15b84 | 5 | |
| ianaherne | 0:c3a05fe15b84 | 6 | |
| ianaherne | 0:c3a05fe15b84 | 7 | |
| ianaherne | 0:c3a05fe15b84 | 8 | class decoder{ |
| ianaherne | 0:c3a05fe15b84 | 9 | |
| ianaherne | 0:c3a05fe15b84 | 10 | public: |
| ianaherne | 0:c3a05fe15b84 | 11 | |
| ianaherne | 0:c3a05fe15b84 | 12 | decoder(PinName channelA,PinName channelB); |
| ianaherne | 0:c3a05fe15b84 | 13 | |
| ianaherne | 0:c3a05fe15b84 | 14 | void isr(); |
| ianaherne | 0:c3a05fe15b84 | 15 | |
| ianaherne | 0:c3a05fe15b84 | 16 | int8_t getDirection(); |
| ianaherne | 0:c3a05fe15b84 | 17 | int16_t getCount(); |
| ianaherne | 0:c3a05fe15b84 | 18 | |
| ianaherne | 0:c3a05fe15b84 | 19 | |
| ianaherne | 0:c3a05fe15b84 | 20 | |
| ianaherne | 0:c3a05fe15b84 | 21 | private: |
| ianaherne | 0:c3a05fe15b84 | 22 | |
| ianaherne | 0:c3a05fe15b84 | 23 | InterruptIn _channelA; |
| ianaherne | 0:c3a05fe15b84 | 24 | InterruptIn _channelB; |
| ianaherne | 0:c3a05fe15b84 | 25 | |
| ianaherne | 0:c3a05fe15b84 | 26 | |
| ianaherne | 0:c3a05fe15b84 | 27 | int8_t _direction; |
| ianaherne | 0:c3a05fe15b84 | 28 | int16_t _count; |
| ianaherne | 0:c3a05fe15b84 | 29 | int16_t _oldCount; |
| ianaherne | 0:c3a05fe15b84 | 30 | |
| ianaherne | 0:c3a05fe15b84 | 31 | |
| ianaherne | 0:c3a05fe15b84 | 32 | }; |
| ianaherne | 0:c3a05fe15b84 | 33 | |
| ianaherne | 0:c3a05fe15b84 | 34 | #endif |