File content as of revision 1:558bf026649c:

#include <cmath>
#include "Distance_Sensors.h"



DistanceSensors::DistanceSensors() 
{
}
    
DistanceSensors::DistanceSensors(AnalogIn* sensorVoltage, DigitalOut* bit0, DigitalOut* bit1, DigitalOut* bit2, int number)
{   
    init(sensorVoltage, bit0, bit1, bit2, number);
}

//initialise
void DistanceSensors::init(AnalogIn* sensorVoltage, DigitalOut* bit0, DigitalOut* bit1, DigitalOut* bit2, int number)
{
    this->sensorVoltage = sensorVoltage;
    this->bit0 = bit0;
    this->bit1 = bit1;
    this->bit2 = bit2; 
    this->number=number;
}


DistanceSensors::~DistanceSensors()
{ 
}


float DistanceSensors::read()//Return the distance of an object
{  
    *bit0 = number & 1; // Set the first bit of the Sensors MUX
    *bit1 = number & 2; // Set the second bit of the Sensors MUX
    *bit2 = number & 4; // Set the third bit of the Sensors MUX
    
float Usensor=sensorVoltage->read(); //Read the Voltage from the selected distance sensor   
float Distance=-0.38f*sqrt(Usensor)+0.38f;
    return Distance;
}

DistanceSensors::operator float()
{ 
    return read();
}