VoltmeterSensor.h

#pragma once
/*
  ASensor - Sensor library. Can be used standalone or in conjunction with AWind library
  Copyright (C)2015 Andrei Degtiarev. All right reserved
 
  You can always find the latest version of the library at 
  https://github.com/AndreiDegtiarev/ASensor

  This library is free software; you can redistribute it and/or
  modify it under the terms of the MIT license.
  Please see the included documents for further information.
*/
#include "ISensor.h"
#include "TimeSerieBuffer.h"

class VoltmeterSensor : ISensor
{
    int _port;
    TimeSerieBuffer *_dataBuffer;
    int _time_step_mus;
public:

    VoltmeterSensor(int port,int reserved_buffer_size,int actual_size)
    {
        _port=port;
        _dataBuffer=new TimeSerieBuffer(1,1023/5.0,reserved_buffer_size,actual_size);
        pinMode(port,INPUT);
        _time_step_mus=100;
    }
    TimeSerieBuffer *Buffer()
    {
        return _dataBuffer;
    }
    virtual const __FlashStringHelper* Name()
    {
        return F("Voltmeter");
    }
    virtual float LowMeasurementLimit()
    {
        return -50;
    }
    virtual float HighMeasurementLimit()
    {
        return 50;
    }
    virtual int Precission()
    {
        return 1;
    }
    void SetTimeStep(int time_step_us)
    {
        _time_step_mus=time_step_us;
    }
    float TimeStep()
    {
        return _time_step_mus;
    }
    float TimeLength()
    {
        return (_time_step_mus*_dataBuffer->Size())/1e6;
    }

    virtual bool Measure(float &data)
    {
        data=analogRead(_port);
        return true;
    }
    void MeasureBuffer()
    {
        int size=_dataBuffer->Size();
        _dataBuffer->SetTimeStep(_time_step_mus/1.0e6);
        int * data_y=_dataBuffer->Y();
        for(int i=0;i<size;i++)
        {
            data_y[i]=analogRead(_port);
            delayMicroseconds(_time_step_mus);
        }
    }

};