MiniR4_MXGesture.h

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#ifndef _MiniR4_MXGesture_H_
#define _MiniR4_MXGesture_H_
 
#include <Arduino.h>
#include <Wire.h>
 
#ifndef ADDR_PCA954X
#define ADDR_PCA954X 0x70
#endif
 
// Open this macro to check the detailed running process of the program.
// #define ENABLE_DBG
 
#ifdef ENABLE_DBG
#define DBG(...)                     \
    {                                \
        Serial.print("[");           \
        Serial.print(__FUNCTION__);  \
        Serial.print("(): ");        \
        Serial.print(__LINE__);      \
        Serial.print(" ] ");         \
        Serial.println(__VA_ARGS__); \
    }
#else
#define DBG(...)
#endif
 
// DEVICE ID
#define PAJ7620_IIC_ADDR 0x73
#define PAJ7620_PARTID 0x7620
 
// REGISTER BANK SELECT
#define PAJ7620_REGITER_BANK_SEL (0xEF)
 
// REGISTER BANK 0
#define PAJ7620_ADDR_PART_ID_LOW 0x00
#define PAJ7620_ADDR_PART_ID_HIGH 0x01
#define PAJ7620_ADDR_VERSION_ID 0x01
#define PAJ7620_ADDR_SUSPEND_CMD 0x03
#define PAJ7620_ADDR_GES_PS_DET_MASK_0 0x41
#define PAJ7620_ADDR_GES_PS_DET_MASK_1 0x42
#define PAJ7620_ADDR_GES_PS_DET_FLAG_0 0x43
#define PAJ7620_ADDR_GES_PS_DET_FLAG_1 0x44
#define PAJ7620_ADDR_STATE_INDICATOR 0x45
#define PAJ7620_ADDR_PS_HIGH_THRESHOLD 0x69
#define PAJ7620_ADDR_PS_LOW_THRESHOLD 0x6A
#define PAJ7620_ADDR_PS_APPROACH_STATE 0x6B
#define PAJ7620_ADDR_PS_RAW_DATA 0x6C
 
// REGISTER BANK 1
#define PAJ7620_ADDR_PS_GAIN 0x44
#define PAJ7620_ADDR_IDLE_S1_STEP_0 0x67
#define PAJ7620_ADDR_IDLE_S1_STEP_1 0x68
#define PAJ7620_ADDR_IDLE_S2_STEP_0 0x69
#define PAJ7620_ADDR_IDLE_S2_STEP_1 0x6A
#define PAJ7620_ADDR_OP_TO_S1_STEP_0 0x6B
#define PAJ7620_ADDR_OP_TO_S1_STEP_1 0x6C
#define PAJ7620_ADDR_OP_TO_S2_STEP_0 0x6D
#define PAJ7620_ADDR_OP_TO_S2_STEP_1 0x6E
#define PAJ7620_ADDR_OPERATION_ENABLE 0x72
 
#define PAJ7620_BANK0 0
#define PAJ7620_BANK1 1
 
// PAJ7620_ADDR_SUSPEND_CMD
#define PAJ7620_I2C_WAKEUP 0x01
#define PAJ7620_I2C_SUSPEND 0x00
 
// PAJ7620_ADDR_OPERATION_ENABLE
#define PAJ7620_ENABLE 0x01
#define PAJ7620_DISABLE 0x00
 
#define GES_REACTION_TIME 50  
#define GES_ENTRY_TIME 2000  
#define GES_QUIT_TIME 1000
 
#define ERR_OK 0           
#define ERR_DATA_BUS -1    
#define ERR_IC_VERSION -2  
 
class MatrixGesture {
   public:
    uint8_t _ch = 0;
    TwoWire* _pWire;
    
    typedef enum {
        eGestureNone = 0x00,           
        eGestureRight = 0x01 << 0,     
        eGestureLeft = 0x01 << 1,      
        eGestureUp = 0x01 << 2,        
        eGestureDown = 0x01 << 3,      
        eGestureForward = 0x01 << 4,   
        eGestureBackward = 0x01 << 5,  
        eGestureClockwise = 0x01 << 6, 
        eGestureAntiClockwise = 0x01 << 7,      
        eGestureWave = 0x01 << 8,               
        eGestureWaveSlowlyDisorder = 0x01 << 9, 
        eGestureWaveSlowlyLeftRight =
            eGestureLeft + eGestureRight, 
        eGestureWaveSlowlyUpDown =
            eGestureUp + eGestureDown, 
        eGestureWaveSlowlyForwardBackward =
            eGestureForward +
            eGestureBackward, 
        eGestureAll = 0xff 
    } eGesture_t;
    
    typedef enum {
        eBank0 = 0, 
        eBank1 = 1, 
    } eBank_t;
 
    typedef enum {
        eNormalRate = 0, 
        eGamingRate = 1, 
    } eRateMode_t;
 
    typedef struct {
        int gesture;      
        const char* description; 
    } sGestureDescription_t;
 
    int begin(void);
 
    void setGestureHighRate(bool b);
 
    String gestureDescription(int gesture);
 
    int getGesture(void);
 
   private:
    void i2cMUXSelect();
 
    int selectBank(eBank_t bank);
 
    int setNormalOrGamingMode(eRateMode_t mode);
 
    void writeReg(uint8_t reg, const void* pBuf, size_t size);
 
    uint8_t readReg(uint8_t reg, void* pBuf, size_t size);
 
    static const uint8_t /*PROGMEM*/ initRegisterArray[219][2];
    static const sGestureDescription_t /*PROGMEM*/ gestureDescriptionsTable[14];
    const uint8_t _deviceAddr = PAJ7620_IIC_ADDR;
    bool _gestureHighRate = true;
    eGesture_t _gesture;
 
};
 
#endif