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/*
* Sensor.cpp
*
* Created on: 7 May 2015
* Author: jeremy
*/
#include "HddSensor.h"
#include <fstream>
#include <iostream>
#include <ctime>
namespace IO
{
const std::vector<std::string> HddSensor::dataFiles({"out.raw", "out.raw", "out.raw"});
HddSensor::HddSensor(const std::string& dataFolder, size_t chan) : path(dataFolder), index(0)
{
this->channel = chan;
return;
}
short HddSensor::GetData()
{
if(data.empty())
{
ReadData();
}
// Wait for a few microseconds
{
clock_t endwait = clock() + (5.0f * (double)CLOCKS_PER_SEC) / 1000000.0f ;
while (clock() < endwait);
}
short val = data[++index];
if(index == data.size())
{
index = 0;
}
return val;
}
// Private Methods
void HddSensor::ReadData()
{
std::string fileName = dataFiles[channel % dataFiles.size()];
std::string fileLoc(path + fileName);
std::ifstream file(fileLoc, std::ifstream::binary);
if(!file.good())
{
throw - 1;
}
short val;
while(file.read(reinterpret_cast<char*>(&val), sizeof(short)))
{
data.push_back(val);
}
file.close();
return;
}
}
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