protected BlockMessage GetBlockMessage(String messageName)
{
foreach (BlockMessage msg in BlockMessages)
if (msg.Name == messageName)
return msg;
BlockMessage blockMsg = new BlockMessage();
blockMsg.Name = messageName;
blockMsg.Message = Protocol.GetMessage(Conversation.Name, blockMsg.Name);
if (blockMsg.Message == null)
{
LogMessage("NonModbus LoadRegisters - Cannot find message: " + blockMsg.Name, LogEntryType.ErrorMessage);
blockMsg.MessageType = MessageType.Unknown;
blockMsg.PayloadByteVar = null;
blockMsg.PayloadSizeByteVar = null;
}
else
{
blockMsg.MessageType = blockMsg.Message.MessageType;
blockMsg.PayloadByteVar = (ByteVar)blockMsg.Message.GetVariable("%Payload_");
blockMsg.PayloadSizeByteVar = (ByteVar)blockMsg.Message.GetVariable("%PayloadSize_");
}
blockMsg.MessageItems = new List<Register>();
blockMsg.PayloadSize = 0;
blockMsg.Payload = null;
BlockMessages.Add(blockMsg);
return blockMsg;
}
public void LoadDynamicRegisters(BlockMessage blockMsgData)
{
BlockMessage blockMsgDataSize = GetBlockMessage("ReceiveDataSize");
XmlDocument doc = new XmlDocument();
UInt16 size = 0;
foreach (DynamicDataMap.MapItem item in blockMsgData.DynamicDataMap.Items)
{
Register registerItem = Device.GetRegister(this, item.templateRegisterSettings);
if (registerItem == null)
LogMessage("LoadDynamicRegisters - Cannot find content: " + item.templateRegisterSettings.Content, LogEntryType.ErrorMessage);
else
{
registerItem.PayloadPosition = item.Position;
UInt16 minSize = (UInt16)(item.Position.Value + registerItem.CurrentSize);
if (size < minSize)
size = minSize;
BlockAllRegisters.Add(registerItem);
blockMsgData.MessageItems.Add(registerItem);
}
}
blockMsgData.PayloadSize = size;
if (blockMsgDataSize.PayloadSizeByteVar != null)
{
UInt32 sizeSize = (UInt32)blockMsgDataSize.PayloadSizeByteVar.Length;
if (sizeSize != 1 && sizeSize != 2 && sizeSize != 4)
{
LogMessage("LoadDynamicRegisters - Payload size must be 1, 2 or 4 bytes", LogEntryType.ErrorMessage);
}
}
blockMsgData.Payload = new byte[blockMsgData.PayloadSize];
blockMsgData.Payload.Initialize();
}
