/// <summary>
/// This method sets up the address and length for writing to flash. It must be called before
/// the sendWriteDataRequest method is called.
/// </summary>
/// <param name="a_address">The addres to start writing to.</param>
/// <param name="a_length">The length to write</param>
/// <returns>KWPResult</returns>
public KWPResult sendWriteRequest(uint a_address, uint a_length)
{
LogDataString("sendWriteRequest");
KWPReply reply = new KWPReply();
KWPResult result;
byte[] addressAndLength = new byte[7];
//set address (byte 0 to 2)
addressAndLength[0] = (byte)(a_address >> 16);
addressAndLength[1] = (byte)(a_address >> 8);
addressAndLength[2] = (byte)(a_address);
//set length (byte 3 to 6);
addressAndLength[3] = (byte)(a_length >> 24);
addressAndLength[4] = (byte)(a_length >> 16);
addressAndLength[5] = (byte)(a_length >> 8);
addressAndLength[6] = (byte)(a_length);
//Send request
//Mode = 0x34
//PID = no PID used by this request
//Data = aaallll (aaa = address, llll = length)
//Expected result = 0x74
result = sendRequest(new KWPRequest(0x34, addressAndLength), out reply);
if (result != KWPResult.OK)
return result;
if (reply.getMode() != 0x74)
return KWPResult.NOK;
else
return result;
}
/// <summary>
/// This method sets the E85 level.
/// </summary>
/// <param name="a_level">The E85 level.</param>
/// <returns>KWPResult</returns>
public KWPResult setE85Level(int a_level)
{
KWPReply reply = new KWPReply();
KWPResult result;
int sendlevel = a_level * 10;
byte[] level = new byte[2];
level[0] = (byte)(sendlevel >> 8);
level[1] = (byte)sendlevel;
result = sendRequest(new KWPRequest(0x3B, 0xA7, level), out reply);
if(reply.getMode() == 0x7B && reply.getPid() == 0xA7)
{
return KWPResult.OK;
}
else if(reply.getMode() == 0x7F && reply.getPid() == 0x3B && reply.getLength() == 3)
{
Console.WriteLine(TranslateErrorCode(reply.getData()[0]));
}
return KWPResult.NOK;
}
/// <summary>
/// Send unknown request
/// </summary>
/// <returns>KWPResult</returns>
public KWPResult sendUnknownRequest()
{
LogDataString("sendUnknownRequest");
//Console.WriteLine("sendUnknownRequest");
KWPReply reply = new KWPReply();
KWPResult result;
//Send request
//Mode = 0x3E
//PID = no PID used by this request
//Expected result = 0x7E
result = sendRequest(new KWPRequest(0x3E), out reply);
if (reply.getMode() != 0x7E)
return KWPResult.NOK;
else
return result;
}
/// <summary>
/// This method send data to be written to flash. sendWriteRequest must be called before this method.
/// </summary>
/// <param name="a_data">The data to be written.</param>
/// <returns>KWPResult</returns>
public KWPResult sendWriteDataRequest(byte[] a_data)
{
LogDataString("sendWriteDataRequest");
KWPReply reply = new KWPReply();
KWPResult result;
//Send request
//Mode = 0x36
//PID = no PID used by this request
//Data = data to be flashed
//Expected result = 0x76
result = sendRequest(new KWPRequest(0x36, a_data), out reply);
if (reply.getMode() != 0x76)
return KWPResult.NOK;
else
return result;
}
/// <summary>
/// sendEraseRequest sends an erase request to the ECU.
/// This method must be called before the ECU can be flashed.
/// </summary>
/// <returns>KWPResult</returns>
public KWPResult sendEraseRequest()
{
LogDataString("sendEraseRequest");
KWPReply reply = new KWPReply();
KWPReply reply2 = new KWPReply();
KWPResult result = KWPResult.Timeout;
int i = 0;
//First erase message. Up to 5 retries.
//Mode = 0x31
//PID = 0x52
//Expected result is 0x71
result = sendRequest(new KWPRequest(0x31, 0x52), out reply);
Console.WriteLine("Erase(1) " + reply.ToString());
if (result != KWPResult.OK)
return result;
while (reply.getMode() != 0x71)
{
System.Threading.Thread.Sleep(1000);
result = sendRequest(new KWPRequest(0x31, 0x52), out reply);
Console.WriteLine("Erase(2:" + i.ToString() + ") " + reply.ToString());
if (i++ > 15) return KWPResult.Timeout;
}
if (result != KWPResult.OK)
return result;
//Second erase message. Up to 10 retries.
//Mode = 0x31
//PID = 0x53
//Expected result is 0x71
i = 0;
result = sendRequest(new KWPRequest(0x31, 0x53), out reply2);
Console.WriteLine("Erase(3) " + reply2.ToString());
if (result != KWPResult.OK)
return result;
while (reply2.getMode() != 0x71)
{
System.Threading.Thread.Sleep(1000);
result = sendRequest(new KWPRequest(0x31, 0x53), out reply2);
Console.WriteLine("Erase(4:" + i.ToString() + ") " + reply2.ToString());
if (i++ > 20) return KWPResult.Timeout;
}
//Erase confirm message
//Mode = 0x3E
//Expected result is 0x7E
result = sendRequest(new KWPRequest(0x3E, 0x53), out reply2);
Console.WriteLine("Erase(5) " + reply2.ToString());
return result;
}
/// <summary>
/// This method send a request to download the symbol map.
/// After this request has been made data can be fetched with a data transfer request
/// </summary>
/// <param name="a_data">The data to be written.</param>
/// <returns>KWPResult</returns>
public KWPResult sendReadSymbolMapRequest()
{
LogDataString("sendReadSymbolMapRequest");
KWPReply reply = new KWPReply();
KWPResult result;
//Send request
//Mode = 0x31
//PID = 0x50
//Data = data to be flashed
//Expected result = 0x71
result = sendRequest(new KWPRequest(0x31, 0x50), out reply);
if (reply.getMode() != 0x71)
return KWPResult.NOK;
else
return result;
}
/// <summary>
/// This method requests data to be transmitted.
/// </summary>
/// <param name="a_data">The data to be transmitted.</param>
/// <returns>KWPResult</returns>
public KWPResult sendDataTransferRequest(out byte[] a_data)
{
LogDataString("sendDataTransferRequest");
KWPReply reply = new KWPReply();
KWPResult result;
//Send request
//Mode = 0x36
//PID = no PID used by this request
//Data = no data
//Expected result = 0x76
result = sendRequest(new KWPRequest(0x36), out reply);
a_data = reply.getData();
if (reply.getMode() != 0x76)
return KWPResult.NOK;
else
return result;
}
public bool ResetECU()
{
LogDataString("ResetECU");
KWPReply reply = new KWPReply();
KWPResult result;
byte[] data = new byte[1];
data[0] = (byte)0x00;
KWPRequest req = new KWPRequest(0x11, 0x01, data);
Console.WriteLine(req.ToString());
result = sendRequest(req, out reply);
if (reply.getMode() == 0x51)
{
Console.WriteLine("Reset Success: " + reply.ToString());
return true;
}
else if (reply.getMode() == 0x7F)
{
Console.WriteLine("Reset Failed: " + reply.ToString());
}
return false;
}
public bool ReadDTCCodes(out List<string> list)
{
list = new List<string>();
LogDataString("ReadDTCCodes");
KWPReply reply = new KWPReply();
KWPResult result;
byte[] data = new byte[2];
data[0] = (byte)0xFF;
data[1] = (byte)0xFF;
//data[2] = (byte)0x00;
// Status byte
// 7 Warning lamp illuminated for this code
// 6 Warning lamp pending for this code, not illuminate but malfunction was detected
// 5 Warning lamp was previously illuminated for this code, malfunction not currently detected, code not yet erased
// 4 Stored trouble code
// 3 Manufacturer specific status
// 2 Manufacturer specific status
// 1 Current code - present at time of request
// 0 Maturing/intermittent code - insufficient data to consider as a malfunction
KWPRequest req = new KWPRequest(0x18 , 0x02); // Request Diagnostic Trouble Codes by Status
Console.WriteLine(req.ToString());
result = sendRequest(req, out reply);
Console.WriteLine(reply.ToString());
// J2190
// Multiple Mode $58 response messages may be reported to a single request, depending on the number of diagnostic
// trouble codes stored in the module. Each response message will report up to three DTCs for
// which at least one of the requested status bits is set. If no codes are stored in the module that meet the
// requested status, then the module will respond with the following:
// Reply: 58,00
if (reply.getMode() == 0x58)
{
if (reply.getPid() == 0x00)
{
Console.WriteLine("No DTC's");
list.Add("No DTC's");
return true;
}
else
{
//P0605
//P1231
//P1230
//P1530
//P1606
//P1460
//+ reply {Reply: 14,58,
// 06,
// 06,05,E4,
// 12,31,48,
// 12,30,E8,
// 15,30,E1,
// 16,06,E8,
// 14,60,41} TrionicCANLib.KWP.KWPReply
uint number = reply.getPid();
byte[] dtc = new byte[number*2];
byte[] read = reply.getData();
int j = 0;
int i = 0;
while(i < read.Length)
{
dtc[j++] = read[i++];
dtc[j++] = read[i++];
i++;
}
for (int n = 0; n < dtc.Length; n = n + 2)
{
list.Add("DTC: P" + dtc[n].ToString("X2") + dtc[n+1].ToString("X2"));
}
}
}
return false;
}
/// <summary>
/// This method requests the E85 level.
/// </summary>
/// <param name="r_level">The requested E85 level.</param>
/// <returns>KWPResult</returns>
public KWPResult getE85Level(out float r_level)
{
KWPReply reply = new KWPReply();
KWPResult result;
float level;
result = sendRequest(new KWPRequest(0x21, 0xA7), out reply); // Request Diagnostic Data Mode $21 - Offset (1 byte)
if (reply.getMode() == 0x61 && reply.getPid() == 0xA7 && reply.getLength() == 4)
{
level = (reply.getData()[0] << 8) | reply.getData()[1];
r_level = level / 10;
return KWPResult.OK;
}
else if (reply.getMode() == 0x7F && reply.getPid() == 0x21 && reply.getLength() == 3)
{
Console.WriteLine(TranslateErrorCode(reply.getData()[0]));
}
r_level = 0;
return KWPResult.NOK;
}
/// <summary>
/// Send a request for a sequrity access with one out of two methods to
/// calculate the key.
/// </summary>
/// <param name="a_method">Key calculation method [1,2]</param>
/// <returns>true if sequrity access was granted, otherwise false</returns>
private bool requestSequrityAccessLevel(uint a_method)
{
LogDataString("requestSequrityAccessLevel: " + a_method.ToString());
KWPReply reply = new KWPReply();
KWPResult result;
byte[] seed = new byte[2];
byte[] key = new byte[2];
// Send a seed request.
KWPRequest requestForKey = new KWPRequest(0x27, 0x05);
Console.WriteLine("requestSequrityAccessLevel " + a_method.ToString() + " request for key: " + requestForKey.ToString());
result = sendRequest(requestForKey, out reply);
Console.WriteLine("requestSequrityAccessLevel " + a_method.ToString() + " request for key result: " + reply.ToString());
if (result != KWPResult.OK)
return false;
if (reply.getData().Length < 2)
return false;
seed[0] = reply.getData()[0];
seed[1] = reply.getData()[1];
if (a_method == 1)
key = calculateKey(seed, 0);
else
key = calculateKey(seed, 1);
// Send key reply.
KWPRequest sendKeyRequest = new KWPRequest(0x27, 0x06, key);
Console.WriteLine("requestSequrityAccessLevel " + a_method.ToString() + " send Key request: " + sendKeyRequest.ToString());
result = sendRequest(sendKeyRequest, out reply);
Console.WriteLine("requestSequrityAccessLevel " + a_method.ToString() + " send Key reply: " + reply.ToString());
if (result != KWPResult.OK)
{
Console.WriteLine("Security access request was not send");
return false;
}
//Check if sequrity was granted.
Console.WriteLine("Mode: " + reply.getMode().ToString("X2"));
Console.WriteLine("Data: " + reply.getData()[0].ToString("X2"));
if ((reply.getMode() == 0x67) && (reply.getData()[0] == 0x34)) // WAS [0]
{
Console.WriteLine("Security access granted: " + a_method.ToString());
return true;
}
Console.WriteLine("Security access was not granted: " + reply.ToString());
return false;
}