File content as of revision 1:b533b95e807a:

#ifndef MB1210Library
#define MB1210Library

#include "mbed.h"
#include "PwmIn.h"

class MB1210
{
    private:
        PwmIn* PwmInput;
        AnalogIn* AnalogInput;
        DigitalOut* SerialOutput;
        Serial* SerialInput;
        
        char OperatingMode;
        float UnitFactor;
        float PwmScalingFactor;
        float AnalogScalingFactor;
        unsigned short Range;
        
    public:
        MB1210(PinName pw, PinName an, PinName tx, PinName rx);
            //pulse width modulation input, analog input, serial output, serial input;
            //specify NC if pin is not used
        ~MB1210();
            //deallocates PwmInput, AnalogInput, SerialOutput, and SerailInput
        void SoundVelocity(float MetersPerSecond);
            //if, for some reason, you need to correct the speed of sound
            //for Pwm modes, enter the new value here in meters per second;
            //default is 340.29 m/s
            //Note: most accurate mode
        void Voltage(float Volts);
            //sets expected operating voltage for Analog modes;
            //user responsibility to ensure operating voltage between 3.3 V and 5 V;
            //default is 3.3 V
        void Unit(float UnitsPerMeter);
            //argument sets the putput units through multiplication;
            //default is cm
        void Mode(char Selection);
            //argument sets operating mode;
            //0 to 2 for synchronous modes, 4 to 6 for asynchronous modes;
            //0 and 4 for pwm, 1 and 5 for analog, 2 and 6 for serial;
            //default is 0
        void RequestSyncRead();
            //this tells the device to prepare a synchronous range reading;
            //must be called at least 99 ms before the reading is needed;
            //changes asynchronous mode to synchronous equivalent
        void DiscardBuffer();
            //empties the buffer on the serial port to sync the next reading
        float Read();
            //get a reading from the device in the set mode;
            //RequestSyncRead() must be called at least 99 ms
            //before this method can be called in a synchronous mode;
            //may be called at any time during asynchronous mode;
        void Read(char* Buffer);
            //overloaded to take advantage of Serial ASCII string output;
            //Buffer must be 3 bytes; 3 digit ASCII number
            //measures range in cm regardless of selected unit;
            //uses serial input method regardless of selected mode.
        operator float();
            //shorthand for taking a range reading;
            //ex: "float reading = MB1210Object;"
};

#endif