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ELM.cs
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ELM.cs
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// Decompiled with JetBrains decompiler
// Type: ELMSIM.ELM
// Assembly: ELMSIM, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
// MVID: 3E232871-3D57-4271-9442-48EC95338D04
// Assembly location: C:\Users\Fust\Documents\Visual Studio 2013\Projects\ELMSIM\ELMSIM\bin\Debug\ELMSIM.exe
using System;
using System.IO.Ports;
using System.Threading;
namespace ELMSIM
{
internal class ELM
{
protected bool echo = true;
protected bool line = false;
protected ELM.OBD_PROTOCOLS proto = ELM.OBD_PROTOCOLS.PROTO_AUTO;
private const string ID = "ELM327 v1.5";
private const string EMPTY = "";
private const string AT_ATZ = "ATZ";
private const string AT_ATE0 = "ATE0";
private const string AT_ATE1 = "ATE1";
private const string AT_ATL0 = "ATL0";
private const string AT_ATL1 = "ATL1";
private const string AT_ATH0 = "ATH0";
private const string AT_ATH1 = "ATH1";
private const string AT_ATI = "ATI";
private const string AT_ATAT1 = "AT@1";
private const string AT_ATAT2 = "AT@2";
private const string AT_ATDP = "ATDP";
private const string AT_SP = "SP";
private SerialPort port;
protected Form1 form;
public ELM(SerialPort port, Form1 form)
{
if (!port.IsOpen)
throw new Exception("Closed resources given");
this.port = port;
this.form = form;
this.init();
}
protected void init()
{
this.echo = true;
this.line = false;
this.proto = ELM.OBD_PROTOCOLS.PROTO_AUTO;
}
public string Handle(string data)
{
string empty1 = string.Empty;
string str1;
if (data.IndexOf("AT") >= 0)
{
str1 = data;
switch (data)
{
case "ATZ":
this.init();
str1 = "ELM327 v1.5";
break;
case "ATE0":
this.echo = false;
break;
case "ATE1":
this.echo = true;
break;
case "ATL0":
this.line = false;
break;
case "ATL1":
this.echo = true;
break;
case "ATH0":
case "ATH1":
break;
case "ATS0":
case "ATS1":
break;
case "ATI":
str1 = "ELM327 v1.5";
break;
case "AT@1":
str1 = "OBDII to RS232 Interpreter";
break;
case "AT@2":
str1 = "?";
break;
case "ATDP":
str1 = "ISO 14230-4 KWP";
break;
default:
str1 = this.parseParameterCalls(data);
break;
}
}
else
{
int pid = 99;
if (data.Length > 2)
{
try
{
pid = int.Parse(data.Substring(0, 2));
}
catch (Exception ex)
{
pid = 3;
}
}
else if (data.Length == 2)
pid = 3;
string empty2 = string.Empty;
string str2;
try
{
str2 = data.Remove(0, 2);
}
catch (Exception ex)
{
return string.Empty;
}
string str3 = string.Empty;
if (str2 == string.Empty && pid != 3)
return empty1;
if (str2 == string.Empty && pid == 3)
str3 = data;
if (pid != 3)
str3 = str2.Substring(0, 2);
str1 = this.processPID(pid, str3);
}
if (!this.line)
;
if (str1 != "?" && str1 != "NOT SUPPORTED")
str1 += "\r\nOK";
string text = str1 + "\r\n>";
Thread.Sleep(150);
this.port.WriteLine(text);
return text;
}
protected string parseParameterCalls(string data)
{
string str1 = "?";
string str2 = data.Remove(0, 2);
if (str2 == string.Empty || str2.Length < 2)
return str1;
string str3 = str2.Substring(0, 2);
string proto = str2.Substring(2, str2.Length - 2);
switch (str3)
{
case "SP":
str1 = this.processProto(proto);
break;
case "SH":
str1 = "OK";
break;
}
return str1;
}
protected string processProto(string proto)
{
if (!Enum.IsDefined(typeof (ELM.OBD_PROTOCOLS), (object) int.Parse(proto)))
return "BUS INIT: ...ERROR";
this.proto = (ELM.OBD_PROTOCOLS) Enum.Parse(typeof (ELM.OBD_PROTOCOLS), proto);
return "OK";
}
protected string processPID(int pid, string param)
{
if (pid > 3)
return "?";
int num = -1;
if (param != string.Empty)
num = Convert.ToInt32(param, 16);
switch (pid)
{
case 1:
switch (num)
{
case 0:
return "41 00 983B8010";
case 1:
return "41 01 81076504";
case 4:
return "41 04 " + ((int) byte.MaxValue).ToString("X2");
case 5:
return "41 05 " + this.form.getEct().ToString("X2");
case 12:
return "41 0C " + this.form.getRpm().ToString("X4");
case 13:
return "41 0D " + this.form.getSpeed().ToString("X2");
case 16:
return "41 10 " + 5000.ToString("X2");
case 32:
case 64:
case 96:
return "NOT SUPPORTED";
case 94:
return "415E " + this.form.getConsumption().ToString("X2");
}
break;
case 2:
if (num == 2)
return "4202 00000000";
break;
case 3:
switch (num)
{
case 3:
return "00000000";
case 10:
return this.ConvertStringToHex("BOSCH".PadRight(20, char.MinValue));
}
break;
case 9:
return "NOT SUPPORTED";
}
return "";
}
protected string ConvertStringToHex(string asciiString)
{
string str = "";
foreach (int num in asciiString)
str += string.Format("{0:x2}", (object) Convert.ToUInt32(num.ToString()));
return str;
}
public enum OBD_PROTOCOLS
{
PROTO_AUTO = 0,
PROTO_KWP2000_5KBPS = 4,
PROTO_KWP2000_FAST = 5,
}
public enum OBD_PIDS
{
PID_ENGINE_LOAD = 4,
PID_COOLANT_TEMP = 5,
PID_SHORT_TERM_FUEL_TRIM_1 = 6,
PID_LONG_TERM_FUEL_TRIM_1 = 7,
PID_SHORT_TERM_FUEL_TRIM_2 = 8,
PID_LONG_TERM_FUEL_TRIM_2 = 9,
PID_FUEL_PRESSURE = 10, // 0x0000000A
PID_INTAKE_MAP = 11, // 0x0000000B
PID_RPM = 12, // 0x0000000C
PID_SPEED = 13, // 0x0000000D
PID_TIMING_ADVANCE = 14, // 0x0000000E
PID_INTAKE_TEMP = 15, // 0x0000000F
PID_MAF_FLOW = 16, // 0x00000010
PID_THROTTLE = 17, // 0x00000011
PID_AUX_INPUT = 30, // 0x0000001E
PID_RUNTIME = 31, // 0x0000001F
PID_DISTANCE_WITH_MIL = 33, // 0x00000021
PID_COMMANDED_EGR = 44, // 0x0000002C
PID_EGR_ERROR = 45, // 0x0000002D
PID_COMMANDED_EVAPORATIVE_PURGE = 46, // 0x0000002E
PID_FUEL_LEVEL = 47, // 0x0000002F
PID_WARMS_UPS = 48, // 0x00000030
PID_DISTANCE = 49, // 0x00000031
PID_EVAP_SYS_VAPOR_PRESSURE = 50, // 0x00000032
PID_BAROMETRIC = 51, // 0x00000033
PID_CATALYST_TEMP_B1S1 = 60, // 0x0000003C
PID_CATALYST_TEMP_B2S1 = 61, // 0x0000003D
PID_CATALYST_TEMP_B1S2 = 62, // 0x0000003E
PID_CATALYST_TEMP_B2S2 = 63, // 0x0000003F
PID_CONTROL_MODULE_VOLTAGE = 66, // 0x00000042
PID_ABSOLUTE_ENGINE_LOAD = 67, // 0x00000043
PID_RELATIVE_THROTTLE_POS = 69, // 0x00000045
PID_AMBIENT_TEMP = 70, // 0x00000046
PID_ABSOLUTE_THROTTLE_POS_B = 71, // 0x00000047
PID_ABSOLUTE_THROTTLE_POS_C = 72, // 0x00000048
PID_ACC_PEDAL_POS_D = 73, // 0x00000049
PID_ACC_PEDAL_POS_E = 74, // 0x0000004A
PID_ACC_PEDAL_POS_F = 75, // 0x0000004B
PID_COMMANDED_THROTTLE_ACTUATOR = 76, // 0x0000004C
PID_TIME_WITH_MIL = 77, // 0x0000004D
PID_TIME_SINCE_CODES_CLEARED = 78, // 0x0000004E
PID_ETHANOL_FUEL = 82, // 0x00000052
PID_FUEL_RAIL_PRESSURE = 89, // 0x00000059
PID_HYBRID_BATTERY_PERCENTAGE = 91, // 0x0000005B
PID_ENGINE_OIL_TEMP = 92, // 0x0000005C
PID_FUEL_INJECTION_TIMING = 93, // 0x0000005D
PID_ENGINE_FUEL_RATE = 94, // 0x0000005E
PID_ENGINE_TORQUE_DEMANDED = 97, // 0x00000061
PID_ENGINE_TORQUE_PERCENTAGE = 98, // 0x00000062
PID_ENGINE_REF_TORQUE = 99, // 0x00000063
}
}
}