File content as of revision 0:8203e12416bb:

#include <mbed.h>



#define WRITE_PROTECT_BYTE_H      0x55
#define WRITE_PROTECT_BYTE_L      0xAA

//Configuration Registers
#define CONFIG_RESET_CALIB        0x00
#define CONFIG_OUTCON             0x01
#define CONFIG_CALCON0            0x02
#define CONFIG_CALCON1            0x03CONFIG_OUTCON_VALUE
#define CONFIG_ADACQ0             0x04
#define CONFIG_ADACQ1             0x05
#define CONFIG_LPCON              0x06
#define CONFIG_PRESS_THRESH       0x07
#define CONFIG_PROX_THRESH        0x08
#define CONFIG_TIMEOUT_L          0x09
#define CONFIG_TIMEOUT_H          0x0A
#define CONFIG_I2CADDR            0x0B

#define CONFIG_RESET_CALIB_VALUE  0xFF
#define CONFIG_OUTCON_VALUE       0x04
#define CONFIG_PROX_THRESH_VALUE  0x14
#define CONFIG_PRESS_THRESH_VALUE 0xFF

//Read/Output Registers, readonly
#define OUTPUT_STATE              0x80
#define OUTPUT_READING0L          0X81
#define OUTPUT_READING0H          0X82
#define OUTPUT_READING1L          0X83
#define OUTPUT_READING1H          0X84
#define OUTPUT_BASELINE0L         0x85
#define OUTPUT_BASELINE0H         0x86
#define OUTPUT_BASELINE1L         0X87
#define OUTPUT_BASELINE1H         0x88

#define SLEEP_1ms                 0x00
#define SLEEP_2ms                 0x02
#define SLEEP_4ms                 0x04
#define SLEEP_8ms                 0x06
#define SLEEP_16ms                0x08
#define SLEEP_32ms                0x0A
#define SLEEP_64ms                0x0C
#define SLEEP_128ms               0x0E
#define SLEEP_256ms               0x10
#define SLEEP_512ms               0x12
#define SLEEP_1s                  0x14
#define SLEEP_2s                  0x16
#define SLEEP_4s                  0x18
#define SLEEP_8s                  0x1A
#define SLEEP_16S                 0x1C
#define SLEEP_32s                 0x1E
#define SLEEP_64s                 0x20
#define SLEEP_128s                0x22
#define SLEEP_256s                0x24
#define CLK_32MHZ                 0x01
#define CLK_16MHZ                 0x00


class MTCH112
{
    public:
        MTCH112(PinName sda, PinName scl, uint8_t addr);
        ~MTCH112();
        uint8_t MTCH112_Init(void);
        uint8_t MTCH112_GetState(void);
    
    private:
        I2C m_i2c;
        uint8_t m_addr;
        void SetRegister(uint8_t registerAddr, uint8_t data);  
        uint8_t GetRegister(uint8_t registerAddr); 
};