/// <summary>
/// Called in form of event by the Master form when user desires to send data to slave.
/// </summary>
/// <param name="slaveAddress">Destination address for the data to be delivered to. If equal to 0 - sent to everyone.</param>
/// <param name="functionCode">Determines whether user wants to send data to slave or retrieve data from slave. Note that retrieval of data in broadcast is a big no-no.</param>
/// <param name="dataToSend">Data to send to slave.</param>
public void HandleSendToSlaveEvent(int slaveAddress, FunctionCode functionCode, string dataToSend)
{
if (functionCode == FunctionCode.RetrieveTextFromSlave && slaveAddress == 0)
{
MessageBox.Show(
"Cannot retrieve data from any slave in broadcast mode. Imagine that avalanche of zeros and ones trying to get through...",
"Wrong operation", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
var messageFrame = new MessageFrame
{
TargetSlaveAddress = slaveAddress,
FunctionCode = functionCode,
Data = dataToSend
};
switch (functionCode)
{
case FunctionCode.SendTextFromMaster:
SendRequestToSlave(messageFrame);
break;
case FunctionCode.RetrieveTextFromSlave:
MessageFrame responseFrame = _masterService.SendRequest(messageFrame);
masterForm.ShowSlaveData(responseFrame.Data);
break;
}
}
