private void OnTransmitting(object sender, UartDataEventArgs e)
{
if (transport != null)
{
transport.Send(e.Data);
}
}
protected virtual void OnTransmit(UartDataEventArgs args)
{
args.ParityBit = Uart.ComputeParityBit(args.Data, controlRegister);
if (DataTransmitting != null)
{
DataTransmitting(this, args);
}
}
protected virtual void OnReceived(UartDataEventArgs args)
{
args.ParityBit = Uart.ComputeParityBit(args.Data, controlRegister);
if (DataReceived != null)
{
DataReceived(this, args);
}
}
public void HandleDataTransmitting(object sender, UartDataEventArgs e)
{
// When there is no physical or emulated transport, force a software loopback
if (transport == null)
{
// TODO: Check for break signal
AcceptData(e.Data);
}
}
public void TransmitBreak()
{
// Complete sending current shift register contents
UartDataEventArgs args = new UartDataEventArgs()
{
Break = true,
Data = 0x00,
StopBitPresent = false
};
OnTransmit(args);
}
public void TransmitData(byte data)
{
// Complete sending current shift register contents
UartDataEventArgs args = new UartDataEventArgs()
{
Break = false,
Data = data,
StopBitPresent = true
};
OnTransmit(args);
}
public void ReceiveData(byte data)
{
// Data is ready to receive
SerialData = data;
// Remove data currently received from holding register
receiveRegister = null;
receivePulseCountdown = 0;
// Check for overrun
if (controlRegister.ReceiveReady)
{
// Previous data has not been read yet, so overrun
controlRegister.OverrunError = true;
}
// Mark receive ready
controlRegister.ReceiveReady = true;
if (pendingFrameError)
{
// Report framing error that occurred during receive
controlRegister.FrameError = true;
// TODO (UART): Check whether a second byte needs to be send because of the overlap in data
// Second frame with bogus data
// AcceptData(0x23);
// This is an instant framing error, as it is the result of a previous overlap
//pendingFrameError = true;
}
// Complete sending current shift register contents
UartDataEventArgs args = new UartDataEventArgs()
{
Break = false,
Data = data,
StopBitPresent = false
};
OnReceived(args);
}
