I2C_device.h

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#ifndef ARDUINO_I2C_DEVICE_H
#define ARDUINO_I2C_DEVICE_H
 
#include    <Arduino.h>
#include    <stdint.h>
#include    <Wire.h>
#include    <SPI.h>
 
class I2C_device
{
public:
    I2C_device( uint8_t i2c_address, bool repeated_start_enable = true );

    I2C_device( TwoWire& wire, uint8_t i2c_address, bool repeated_start_enable = true );

    ~I2C_device();
    
    void repeated_start_enable( bool en = true );
    
    bool ping( void );
    
    int tx( const uint8_t *data, uint16_t size, bool stop = true );

    int rx( uint8_t *data, uint16_t size, bool stop = true );
    
    virtual int reg_w( uint8_t reg_adr, const uint8_t *data, uint16_t size, bool stop = true );

    virtual int reg_w( uint8_t reg_adr, uint8_t data, bool stop = true );

    virtual int reg_r( uint8_t reg_adr, uint8_t *data, uint16_t size, bool stop = true );

    virtual uint8_t reg_r( uint8_t reg_adr, bool stop = true );

    void write_r8( uint8_t reg, uint8_t val, bool stop = true );

    void write_r16( uint8_t reg, uint16_t val, bool stop = true );

    uint8_t read_r8( uint8_t reg, bool stop = true );

    uint16_t read_r16( uint8_t reg, bool stop = true );

    void bit_op8(  uint8_t reg,  uint8_t mask,  uint8_t value );

    void bit_op16( uint8_t reg, uint16_t mask, uint16_t value );

    static bool ping( uint8_t addr );
    
    static void scan( TwoWire& target_i2c = Wire, uint8_t stop = 128 );
        
protected:
    void        txrx( const uint8_t *w_data, uint8_t *r_data, uint16_t size );
    uint8_t     i2c_addr;
    SPISettings spi_setting;
 
private:
    TwoWire&    i2c;
    bool        rs_dis;
};
 
#endif //   ARDUINO_I2C_DEVICE_H