/// <summary>
/// Read attribute value.
/// </summary>
/// <param name="it">COSEM object to read.</param>
/// <param name="attributeIndex">Attribute index.</param>
/// <returns>Read value.</returns>
public object Read(GXDLMSObject it, int attributeIndex)
{
GXReplyData reply = new GXReplyData();
if (!ReadDataBlock(Client.Read(it, attributeIndex), reply))
{
if (reply.Error != (short)ErrorCode.Rejected)
{
throw new GXDLMSException(reply.Error);
}
reply.Clear();
Thread.Sleep(1000);
if (!ReadDataBlock(Client.Read(it, attributeIndex), reply))
{
throw new GXDLMSException(reply.Error);
}
}
//Update data type.
if (it.GetDataType(attributeIndex) == DataType.None)
{
it.SetDataType(attributeIndex, reply.DataType);
}
return(Client.UpdateValue(it, attributeIndex, reply.Value));
}
/// <summary>
/// This method is used to update meter firmware.
/// </summary>
/// <param name="target"></param>
public void ImageUpdate(GXDLMSImageTransfer target, string identification, byte[] data)
{
//Check that image transfer ia enabled.
GXReplyData reply = new GXReplyData();
ReadDataBlock(Client.Read(target, 5), reply);
Client.UpdateValue(target, 5, reply.Value);
if (!target.ImageTransferEnabled)
{
throw new Exception("Image transfer is not enabled");
}
//Step 1: Read image block size.
ReadDataBlock(Client.Read(target, 2), reply);
Client.UpdateValue(target, 2, reply.Value);
// Step 2: Initiate the Image transfer process.
ReadDataBlock(target.ImageTransferInitiate(Client, identification, data.Length), reply);
// Step 3: Transfers ImageBlocks.
int imageBlockCount;
ReadDataBlock(target.ImageBlockTransfer(Client, data, out imageBlockCount), reply);
//Step 4: Check the completeness of the Image.
ReadDataBlock(Client.Read(target, 3), reply);
Client.UpdateValue(target, 3, reply.Value);
// Step 5: The Image is verified;
ReadDataBlock(target.ImageVerify(Client), reply);
// Step 6: Before activation, the Image is checked;
//Get list to images to activate.
ReadDataBlock(Client.Read(target, 7), reply);
Client.UpdateValue(target, 7, reply.Value);
bool bFound = false;
foreach (GXDLMSImageActivateInfo it in target.ImageActivateInfo)
{
if (it.Identification == identification)
{
bFound = true;
break;
}
}
//Read image transfer status.
ReadDataBlock(Client.Read(target, 6), reply);
Client.UpdateValue(target, 6, reply.Value);
if (target.ImageTransferStatus != Gurux.DLMS.Objects.Enums.ImageTransferStatus.VerificationSuccessful)
{
throw new Exception("Image transfer status is " + target.ImageTransferStatus.ToString());
}
if (!bFound)
{
throw new Exception("Image not found.");
}
//Step 7: Activate image.
ReadDataBlock(target.ImageActivate(Client), reply);
}
