Beispiel #1
0
        private static bool WriteMarelliBlockAndReadAck(IKwpCommon kwpCommon, byte[] data)
        {
            var count  = (ushort)(data.Length + 2); // Count includes 2-byte checksum
            var countH = (byte)(count / 256);
            var countL = (byte)(count % 256);

            kwpCommon.WriteByte(countH);
            kwpCommon.WriteByte(countL);

            var sum = (ushort)(countH + countL);

            foreach (var b in data)
            {
                kwpCommon.WriteByte(b);
                sum += b;
            }
            kwpCommon.WriteByte((byte)(sum / 256));
            kwpCommon.WriteByte((byte)(sum % 256));

            var expectedAck = new byte[] { 0x03, 0x09, 0x00, 0x0C };

            Logger.WriteLine("Receiving ACK");
            var ack = new List <byte>();

            for (int i = 0; i < 4; i++)
            {
                var b = kwpCommon.ReadByte();
                ack.Add(b);
            }
            if (!ack.SequenceEqual(expectedAck))
            {
                Logger.WriteLine($"Expected ACK but received {Utils.Dump(ack)}");
                return(false);
            }

            return(true);
        }
Beispiel #2
0
 public Edc15VM(IKwpCommon kwpCommon, int controllerAddress)
 {
     _kwpCommon         = kwpCommon;
     _controllerAddress = controllerAddress;
 }