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#ifndef _OBDPID_H__H_H_
#define _OBDPID_H__H_H_
#include <vector>
#include <string>
#include <vehicleproperty.h>
#include "obdlib.h"
#include <time.h>
class ObdPid
{
public:
typedef std::vector<unsigned char> ByteArray;
ObdPid(VehicleProperty::Property prop, std::string p, int i)
:property(prop), pid(p), id(i), type(0x41)
{
}
static ByteArray cleanup(ByteArray replyVector)
{
ByteArray tmp;
for (int i=0;i<replyVector.size();i++)
{
if ((replyVector[i] != 0x20) && (replyVector[i] != '\r') && (replyVector[i] != '\n'))
{
tmp.push_back(replyVector[i]);
}
}
return tmp;
}
static ByteArray compress(ByteArray replyVector)
{
ByteArray tmp;
for (int i=0;i<replyVector.size();i++)
{
tmp.push_back(obdLib::byteArrayToByte(replyVector[i],replyVector[i+1]));
i++;
}
return tmp;
}
virtual ObdPid* create() = 0;
virtual bool tryParse(ByteArray replyVector) = 0;
VehicleProperty::Property property;
std::string pid;
int id;
int type;
std::string value;
};
template <class T>
class CopyMe: public ObdPid
{
public:
CopyMe(VehicleProperty::Property prop, std::string p, int i)
:ObdPid(prop, p, i)
{
}
ObdPid* create()
{
return new T();
}
};
class VehicleSpeedPid: public CopyMe<VehicleSpeedPid>
{
public:
VehicleSpeedPid()
:CopyMe(VehicleProperty::VehicleSpeed, "010D1\r", 0x0D)
{
}
bool tryParse(ByteArray replyVector)
{
ByteArray tmp = compress(cleanup(replyVector));
for (int i=0;i<tmp.size();i++)
{
printf("%i ",tmp[i]);
}
printf("\n");
if (tmp[1] != 0x0D)
{
return false;
}
int mph = tmp[2];
value = boost::lexical_cast<std::string>(mph);
return true;
}
};
class EngineSpeedPid: public CopyMe<EngineSpeedPid>
{
public:
EngineSpeedPid()
:CopyMe(VehicleProperty::VehicleSpeed,"010C1\r",0x0D)
{
}
bool tryParse(ByteArray replyVector)
{
ByteArray tmp = compress(cleanup(replyVector));
if (tmp[1] != 0x0C)
{
return false;
}
double rpm = ((tmp[2] << 8) + tmp[3]) / 4.0;
value = boost::lexical_cast<std::string>(rpm);
return false;
}
};
class EngineCoolantPid: public CopyMe<EngineCoolantPid>
{
public:
EngineCoolantPid()
:CopyMe(VehicleProperty::VehicleSpeed,"01051\r",0x0D)
{
}
bool tryParse(ByteArray replyVector)
{
ByteArray tmp = compress(cleanup(replyVector));
if (tmp[1] != 0x05)
{
return false;
}
int temp = tmp[2] - 40;
value = boost::lexical_cast<std::string>(temp);
return false;
}
};
class MassAirFlowPid: public CopyMe<MassAirFlowPid>
{
public:
MassAirFlowPid()
:CopyMe(VehicleProperty::VehicleSpeed,"01101\r",0x0D)
{
}
bool tryParse(ByteArray replyVector)
{
ByteArray tmp = compress(cleanup(replyVector));
if (tmp[1] != 0x10)
{
return false;
}
maf = ((tmp[2] << 8) + tmp[3]) / 100.0;
value = boost::lexical_cast<std::string>(maf);
return false;
}
protected:
double maf;
};
class FuelConsumptionPid: public MassAirFlowPid
{
public:
FuelConsumptionPid()
{
}
bool tryParse(ByteArray replyVector)
{
MassAirFlowPid::tryParse(replyVector);
timespec t;
clock_gettime(CLOCK_REALTIME, &t);
double currentTime = t.tv_sec + t.tv_nsec / 1000000;
double diffTime = currentTime - oldTime;
oldTime = currentTime;
double consumption = 1 / (14.75 * 6.26) * maf * diffTime/60;
value = boost::lexical_cast<std::string>(consumption);
return false;
}
private:
static double oldTime;
};
class VinPid: public CopyMe<VinPid>
{
public:
VinPid()
:CopyMe(VehicleProperty::VIN,"0902\r",0x0D)
{
type = 0x49;
}
bool tryParse(ByteArray replyVector)
{
std::string vinstring;
ByteArray tmp = compress(cleanup(replyVector));
if (tmp[0] != 0x49 && tmp[1] != 0x02)
{
return false;
}
for (int j=0;j<tmp.size();j++)
{
if(tmp[j] == 0x49 && tmp[j+1] == 0x02)
{
//We're at a reply header
j+=3;
}
if (tmp[j] != 0x00)
{
vinstring += (char)tmp[j];
//printf("VIN: %i %c\n",replyVector[j],replyVector[j]);
}
}
value = vinstring;
return false;
}
};
class WmiPid: public VinPid
{
public:
WmiPid()
:VinPid()
{
property = VehicleProperty::WMI;
}
bool tryParse(ByteArray replyVector)
{
VinPid::tryParse(replyVector);
value = value.substr(0,3);
return false;
}
};
#endif
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