/// <summary>
/// Create an ECU identifier request packet
/// </summary>
public static SsmPacket CreateEcuIdentifierRequest()
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.ToEcu, SsmCommand.EcuInitRequest);
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create a block-read response packet
/// </summary>
public static SsmPacket CreateBlockReadResponse(byte[] payload)
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.FromEcu, SsmCommand.ReadBlockResponse);
packet.AppendPayload(payload);
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create a multiple-address-read response packet
/// </summary>
public static SsmPacket CreateMultipleReadResponse(IList <byte> values)
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.FromEcu, SsmCommand.ReadAddressesResponse);
for (int i = 0; i < values.Count; i++)
{
packet.AppendByte(values[i]);
}
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create a multiple-address-read request packet
/// </summary>
public static SsmPacket CreateMultipleReadRequest(IList <int> addresses)
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.ToEcu, SsmCommand.ReadAddressesRequest);
for (int i = 0; i < addresses.Count; i++)
{
packet.AppendAddress(addresses[i]);
}
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create an ECU request packet with an arbitrary command and payload.
/// </summary>
/// <remarks>
/// For experimentation...
/// </remarks>
/// <param name="direction">Which direction the packet will be traveling.</param>
/// <param name="command">Command byte.</param>
/// <param name="payload">Payload.</param>
/// <returns>SsmPacket built from the given parameters.</returns>
public static SsmPacket CreateArbitrary(
SsmDirection direction,
SsmCommand command,
byte[] payload)
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(direction, command);
packet.AppendPayload(payload);
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create a request packet for an arbitrary device with an arbitrary command and payload.
/// </summary>
/// <remarks>
/// For experimentation...
/// </remarks>
/// <param name="device">Which device the packet will to go.</param>
/// <param name="command">Command byte.</param>
/// <param name="pad">If true, an extra byte will be added to the header.</param>
/// <param name="payload">Payload.</param>
/// <returns>SsmPacket built from the given parameters.</returns>
public static SsmPacket CreateArbitrary(
byte device,
byte command,
bool pad,
byte[] payload)
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(device, command, pad);
packet.AppendPayload(payload);
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create a block-read request packet
/// </summary>
public static SsmPacket CreateBlockReadRequest(int address, int length)
{
if (length == int.MinValue)
{
throw new ArgumentOutOfRangeException("length");
}
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.ToEcu, SsmCommand.ReadBlockRequest);
packet.AppendAddress(address);
packet.AppendByte((byte)(length - 1));
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
/// <summary>
/// Create an ECU identifier response packet
/// </summary>
public static SsmPacket CreateEcuIdentifierResponse()
{
SsmPacket packet = new SsmPacket();
packet.SetHeader(SsmDirection.FromEcu, SsmCommand.EcuInitResponse);
// Remove header and checksum from sample packet data
List <byte> payload = new List <byte>(SamplePacketData.EcuInitResponse);
payload.RemoveRange(0, 5);
payload.RemoveRange(payload.Count - 1, 1);
packet.AppendPayload(payload.ToArray());
packet.SetLengthByte();
packet.AppendChecksum();
return(packet);
}
