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#ifndef _MAX32630FTHR_H_
#define _MAX32630FTHR_H_

#include "mbed.h"
#include "MAX14690.h"

class MAX32630FTHR
{
public:
// max32630fthr configuration utilities

    /**
      * @brief   IO Voltage
      * @details Enumerated options for operating voltage
      */
    typedef enum {
        VIO_1V8 = 0x00,    ///< 1.8V IO voltage at headers (from BUCK2)
        VIO_3V3 = 0x01,    ///< 3.3V IO voltage at headers (from LDO2)
    } vio_t;

    /**
        * MAX32630FTHR constructor.
        *
        * @param vio I/O voltage for header pins
        */
    MAX32630FTHR(vio_t vio);

    /**
        * MAX32630FTHR destructor.
        */
    ~MAX32630FTHR();

    /**
     * @brief   Initialize MAX32630FTHR board
     * @details Initializes PMIC and I/O on MAX32630FTHR board.
     *  Configures PMIC to enable LDO2 and LDO3 at 3.3V.
     *  Disables resisitive pulldown on MON(AIN_0)
     *  Sets default I/O voltages to 3V3 for micro SD card.
     *  Sets I/O voltage for header pins to hdrVio specified.
     * @returns 0 if no errors, -1 if error.
    */
    int init();

    /**
     * @brief   Sets I/O Voltage
     * @details Sets the voltage rail to be used for a given pin.
     *  VIO_1V8 selects VDDIO which is supplied by Buck2, which is set at 1.8V,   
     *  VIO_3V3 selects VDDIOH which is supplied by LDO2, which is typically 3.3V/
     * @param   pin Pin whose voltage supply is being assigned.
     * @param   vio Voltage rail to be used for specified pin.
     * @returns 0 if no errors, -1 if error.
    */
    int vddioh(PinName pin, vio_t vio);
    
    /// Local I2C bus for configuring PMIC and accessing BMI160 IMU.
    I2C i2c;

    /// MAX14690 PMIC Instance
    MAX14690 max14690;

    /// The default I/O voltage to be used for header pins.
    vio_t hdrVio;    

};

#endif /* _MAX32630FTHR_H_ */