/// <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; }