16 Mei 2019
encoderKRAI.h@0:88b904c4ffbb, 2019-05-16 (annotated)
- Committer:
- tamamfirdaus
- Date:
- Thu May 16 08:42:16 2019 +0000
- Revision:
- 0:88b904c4ffbb
16 Mei 2019;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tamamfirdaus | 0:88b904c4ffbb | 1 | /** |
tamamfirdaus | 0:88b904c4ffbb | 2 | * Header Encoder KRAI |
tamamfirdaus | 0:88b904c4ffbb | 3 | * untuk membaca nilai rotary encoder |
tamamfirdaus | 0:88b904c4ffbb | 4 | **/ |
tamamfirdaus | 0:88b904c4ffbb | 5 | #ifndef ENCODERKRAI_H |
tamamfirdaus | 0:88b904c4ffbb | 6 | #define ENCODERKRAI_H |
tamamfirdaus | 0:88b904c4ffbb | 7 | |
tamamfirdaus | 0:88b904c4ffbb | 8 | //Bismillahirahamnirahim |
tamamfirdaus | 0:88b904c4ffbb | 9 | |
tamamfirdaus | 0:88b904c4ffbb | 10 | //LIBRARY |
tamamfirdaus | 0:88b904c4ffbb | 11 | #include "mbed.h" |
tamamfirdaus | 0:88b904c4ffbb | 12 | |
tamamfirdaus | 0:88b904c4ffbb | 13 | /************************** |
tamamfirdaus | 0:88b904c4ffbb | 14 | * Konstanta dan Variabel * |
tamamfirdaus | 0:88b904c4ffbb | 15 | **************************/ |
tamamfirdaus | 0:88b904c4ffbb | 16 | |
tamamfirdaus | 0:88b904c4ffbb | 17 | //KONSTANTA |
tamamfirdaus | 0:88b904c4ffbb | 18 | #define PREV_MASK 0x1 //Konstanta untuk mengetahui previous direction |
tamamfirdaus | 0:88b904c4ffbb | 19 | #define CURR_MASK 0x2 //Konstanta untuk mengetahui current direction |
tamamfirdaus | 0:88b904c4ffbb | 20 | #define INVALID 0x3 //XORing two states where both bits have changed. |
tamamfirdaus | 0:88b904c4ffbb | 21 | |
tamamfirdaus | 0:88b904c4ffbb | 22 | /******************************** |
tamamfirdaus | 0:88b904c4ffbb | 23 | * Quadrature Encoder Interface * |
tamamfirdaus | 0:88b904c4ffbb | 24 | ********************************/ |
tamamfirdaus | 0:88b904c4ffbb | 25 | |
tamamfirdaus | 0:88b904c4ffbb | 26 | class encoderKRAI { |
tamamfirdaus | 0:88b904c4ffbb | 27 | |
tamamfirdaus | 0:88b904c4ffbb | 28 | public: |
tamamfirdaus | 0:88b904c4ffbb | 29 | |
tamamfirdaus | 0:88b904c4ffbb | 30 | typedef enum Encoding { |
tamamfirdaus | 0:88b904c4ffbb | 31 | |
tamamfirdaus | 0:88b904c4ffbb | 32 | X2_ENCODING, |
tamamfirdaus | 0:88b904c4ffbb | 33 | X4_ENCODING |
tamamfirdaus | 0:88b904c4ffbb | 34 | |
tamamfirdaus | 0:88b904c4ffbb | 35 | } Encoding; |
tamamfirdaus | 0:88b904c4ffbb | 36 | |
tamamfirdaus | 0:88b904c4ffbb | 37 | encoderKRAI(PinName channelA, PinName channelB, int pulsesPerRev, Encoding encoding = X2_ENCODING); |
tamamfirdaus | 0:88b904c4ffbb | 38 | /******************************************* |
tamamfirdaus | 0:88b904c4ffbb | 39 | * Membuat interface dari encoder |
tamamfirdaus | 0:88b904c4ffbb | 40 | * @param inA DigitalIn, out A dari encoder |
tamamfirdaus | 0:88b904c4ffbb | 41 | * @param inB DigitalIn, out B dari encoder |
tamamfirdaus | 0:88b904c4ffbb | 42 | *******************************************/ |
tamamfirdaus | 0:88b904c4ffbb | 43 | |
tamamfirdaus | 0:88b904c4ffbb | 44 | void reset(void); |
tamamfirdaus | 0:88b904c4ffbb | 45 | /******************************************* |
tamamfirdaus | 0:88b904c4ffbb | 46 | * Reset encoder. |
tamamfirdaus | 0:88b904c4ffbb | 47 | * Reset pembacaaan menjadi 0 |
tamamfirdaus | 0:88b904c4ffbb | 48 | *******************************************/ |
tamamfirdaus | 0:88b904c4ffbb | 49 | |
tamamfirdaus | 0:88b904c4ffbb | 50 | int getPulses(void); |
tamamfirdaus | 0:88b904c4ffbb | 51 | /******************************************* |
tamamfirdaus | 0:88b904c4ffbb | 52 | * Membaca pulse yang didapat oleh encoder |
tamamfirdaus | 0:88b904c4ffbb | 53 | * @return Nilai pulse yang telah dilalui. |
tamamfirdaus | 0:88b904c4ffbb | 54 | *******************************************/ |
tamamfirdaus | 0:88b904c4ffbb | 55 | |
tamamfirdaus | 0:88b904c4ffbb | 56 | int getRevolutions(void); |
tamamfirdaus | 0:88b904c4ffbb | 57 | /******************************************* |
tamamfirdaus | 0:88b904c4ffbb | 58 | * Membaca putaran yang didapat oleh encoder |
tamamfirdaus | 0:88b904c4ffbb | 59 | * @return Nilai revolusi/putaran yang telah dilalui. |
tamamfirdaus | 0:88b904c4ffbb | 60 | *******************************************/ |
tamamfirdaus | 0:88b904c4ffbb | 61 | |
tamamfirdaus | 0:88b904c4ffbb | 62 | private: |
tamamfirdaus | 0:88b904c4ffbb | 63 | |
tamamfirdaus | 0:88b904c4ffbb | 64 | void encode(void); |
tamamfirdaus | 0:88b904c4ffbb | 65 | /******************************************* |
tamamfirdaus | 0:88b904c4ffbb | 66 | * Menghitung pulse |
tamamfirdaus | 0:88b904c4ffbb | 67 | * Digunakan setiap rising/falling edge baik channel A atau B |
tamamfirdaus | 0:88b904c4ffbb | 68 | * Membaca putaran CW atau CCW => mengakibatkan pertambahan/pengurangan pulse |
tamamfirdaus | 0:88b904c4ffbb | 69 | *******************************************/ |
tamamfirdaus | 0:88b904c4ffbb | 70 | |
tamamfirdaus | 0:88b904c4ffbb | 71 | //VARIABEL UNTUK PERHITUNGAN PULSE |
tamamfirdaus | 0:88b904c4ffbb | 72 | Encoding encoding_; |
tamamfirdaus | 0:88b904c4ffbb | 73 | |
tamamfirdaus | 0:88b904c4ffbb | 74 | InterruptIn channelA_; |
tamamfirdaus | 0:88b904c4ffbb | 75 | InterruptIn channelB_; |
tamamfirdaus | 0:88b904c4ffbb | 76 | |
tamamfirdaus | 0:88b904c4ffbb | 77 | int pulsesPerRev_; |
tamamfirdaus | 0:88b904c4ffbb | 78 | int prevState_; |
tamamfirdaus | 0:88b904c4ffbb | 79 | int currState_; |
tamamfirdaus | 0:88b904c4ffbb | 80 | |
tamamfirdaus | 0:88b904c4ffbb | 81 | volatile int pulses_; |
tamamfirdaus | 0:88b904c4ffbb | 82 | volatile int revolutions_; |
tamamfirdaus | 0:88b904c4ffbb | 83 | |
tamamfirdaus | 0:88b904c4ffbb | 84 | |
tamamfirdaus | 0:88b904c4ffbb | 85 | }; |
tamamfirdaus | 0:88b904c4ffbb | 86 | |
tamamfirdaus | 0:88b904c4ffbb | 87 | #endif /* ENCODERKRAI_H */ |