private void BytesReceived(object sender, BytesReceivedEventArgs e)
{
_incomingStream += Encoding.ASCII.GetString(e.Bytes);
if (!_incomingStream.StartsWith(":"))
{
//throw away part message
var i = _incomingStream.IndexOf(":", StringComparison.InvariantCultureIgnoreCase);
if (i > 0)
{
_incomingStream = _incomingStream.Substring(i);
}
}
while (_incomingStream.StartsWith(":") && _incomingStream.Contains(";"))
{
var end = _incomingStream.IndexOf(";", StringComparison.InvariantCultureIgnoreCase);
if (end > 0)
{
var msg = _incomingStream.Substring(0, end + 1);
if (end + 1 < _incomingStream.Length)
{
_incomingStream = _incomingStream.Substring(end + 1);
}
else
{
_incomingStream = "";
}
MessageReceived?.Invoke(this, new CbusMessageEventArgs(CbusMessage.FromTransportString(msg)));
}
}
}
public async Task <bool> SendMessage(CbusMessage message)
{
//TODO: make configurable
message.CanId = 125;
message.MinorPriority = MinorPriority.Normal;
message.MajorPriority = MajorPriority.Low;
await _transport.SendBytes(Encoding.ASCII.GetBytes(message.TransportString));
MessageSent?.Invoke(this, new CbusMessageEventArgs(message));
return(true);
}
public async Task SendBytes(byte[] bytes)
{
var _ = Task.Run(async() => {
var msg = Encoding.ASCII.GetString(bytes);
var cmsg = CbusMessage.FromTransportString(msg);
switch (cmsg.OpCode)
{
case CbusOpCodes.QNN:
BytesReceived?.Invoke(this,
new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(":SB060NB60102A5080D;")));
BytesReceived?.Invoke(this,
new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(":SB020NB60100A5050F;")));
BytesReceived?.Invoke(this,
new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(":SB040NB60101A5050F;")));
BytesReceived?.Invoke(this,
new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(":SB080NB60103A5200F;")));
break;
case CbusOpCodes.RQNPN:
var m = cmsg as ReadNodeParameterByIndexMessage;
BytesReceived?.Invoke(this, new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(new ReadNodeParameterByIndexResponseMessage {
NodeNumber = m.NodeNumber,
ParameterIndex = 1,
ParameterValue = 165
}.TransportString)));
BytesReceived?.Invoke(this, new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(new ReadNodeParameterByIndexResponseMessage {
NodeNumber = m.NodeNumber,
ParameterIndex = 3,
ParameterValue = (byte)((m.NodeNumber == 256 || m.NodeNumber == 257) ? 8 : (m.NodeNumber == 258 ? 5 : 32))
}.TransportString)));
BytesReceived?.Invoke(this, new BytesReceivedEventArgs(Encoding.ASCII.GetBytes(new ReadNodeParameterByIndexResponseMessage {
NodeNumber = m.NodeNumber,
ParameterIndex = 6,
ParameterValue = (byte)((m.NodeNumber == 259) ? 127 : 10)
}.TransportString)));
break;
}
});
}
public CbusMessageEventArgs(CbusMessage message)
{
Message = message;
}