public XBeeFrameRequest(XBeeApiType apiID)
: base(apiID)
{
}
public XBeeRequest(XBeeApiType apiID)
: this()
{
ApiID = apiID;
}
void CheckFrame()
{
if (_readBuffer.Count < 4) // we don't have the start byte, the length and the checksum
{
return;
}
if (_readBuffer[0] != XBeePacket.PACKET_STARTBYTE)
{
return;
}
ByteReader br = new ByteReader(_readBuffer.ToArray(), ByteOrder.BigEndian);
br.ReadByte(); // start byte
short length = br.ReadInt16();
if (br.AvailableBytes < length + 1) // the frame data and checksum
{
return;
}
// verify checksum
XBeeChecksum checksum = new XBeeChecksum();
byte[] bytes = new byte[length + 1];
Array.Copy(_readBuffer.ToArray(), 3, bytes, 0, length + 1);
checksum.AddBytes(bytes);
Console.WriteLine(checksum.Verify());
XBeeApiType apiId = (XBeeApiType)br.Peek();
XBeeResponse res = null;
Console.WriteLine("ApiID = " + apiId.ToString());
Console.WriteLine("length = " + length);
switch (apiId)
{
case XBeeApiType.ATCommandResponse:
res = new AtCommandResponse(length, br);
break;
case XBeeApiType.NodeIdentificationIndicator:
res = new NodeIdentification(length, br);
break;
case XBeeApiType.ZigBeeReceivePacket:
res = new ZigbeeReceivePacket(length, br);
break;
case XBeeApiType.XBeeSensorReadIndicator:
res = new XBeeSensorRead(length, br);
break;
case XBeeApiType.RemoteCommandResponse:
res = new AtRemoteCommandResponse(length, br);
break;
case XBeeApiType.ZigBeeIODataSampleRxIndicator:
res = new ZigBeeIODataSample(length, br);
break;
default:
Console.WriteLine("This API frame is unknown.");
break;
}
if (res != null)
{
Console.WriteLine(res);
}
_readBuffer.RemoveRange(0, length + 1 + 2 + 1);
Console.WriteLine("waiting " + _readBuffer.Count + " bytes");
}
private void CheckFrame(short length, ByteReader br)
{
XBeeApiType apiId = (XBeeApiType)br.Peek();
XBeeResponse res = null;
switch (apiId)
{
case XBeeApiType.ZNetExplicitRxIndicator:
res = new ExplicitZigBeeResponse(length, br);
break;
case XBeeApiType.AtCommandResponse:
res = new AtCommandResponse(length, br);
break;
case XBeeApiType.RemoteAtCommandResponse:
res = new RemoteAtResponse(length, br);
break;
case XBeeApiType.ModemStatus:
res = new ModemStatusResponse(length, br);
if (res != null)
{
OnModemStatusChanged((res as ModemStatusResponse).ModemStatus);
}
break;
case XBeeApiType.RxPacket16:
res = new RxResponse16(length, br);
break;
case XBeeApiType.RxPacket64:
res = new RxResponse64(length, br);
break;
case XBeeApiType.TxStatus:
res = new TxStatusResponse(length, br);
break;
case XBeeApiType.NodeIdentificationIndicator:
res = new ZNetNodeIdentificationResponse(length, br);
break;
case XBeeApiType.ZNetRxPacket:
res = new ZNetRxResponse(length, br);
break;
case XBeeApiType.XBeeSensorReadIndicator:
res = new XBeeSensorRead(length, br);
break;
case XBeeApiType.ZNetIODataSampleRxIndicator:
res = new ZNetRxIoSampleResponse(length, br);
break;
case XBeeApiType.ZNetTxStatus:
res = new ZNetTxStatusResponse(length, br);
break;
default:
break;
}
if (res != null)
{
if (_waitResponse && res is XBeeResponse)
{
if (res is AtCommandResponse && (res as AtCommandResponse).FrameID != _frameID)
{
return;
}
_receivedPacket = res;
_waitResponse = false;
}
else
{
OnFrameReceived(res);
}
}
}
public XBeeResponse(short length, ByteReader br)
{
_apiId = (XBeeApiType)br.ReadByte();
}
public XBeeResponse(short length, ByteReader br)
{
_apiId = (XBeeApiType)br.ReadByte();
_dtRcv = DateTime.Now;
}
private void CheckFrame()
{
if (_readBuffer.Count < 4) // we don't have the start byte, the length and the checksum
{
return;
}
if (_readBuffer[0] != XBeePacket.PACKET_STARTBYTE)
{
return;
}
ByteReader br = new ByteReader(_readBuffer.ToArray(), ByteOrder.BigEndian);
br.ReadByte(); // start byte
short length = br.ReadInt16();
if (br.AvailableBytes < length + 1) // the frame data and checksum
{
return;
}
// verify checksum
XBeeChecksum checksum = new XBeeChecksum();
byte[] bytes = new byte[length + 1];
Array.Copy(_readBuffer.ToArray(), 3, bytes, 0, length + 1);
checksum.AddBytes(bytes);
if (!checksum.Verify())
{
//TODO: ERRO no quadro. Limpar os recursos e retornar função
return;
}
XBeeApiType apiId = (XBeeApiType)br.Peek();
XBeeResponse res = null;
//TODO: implementar a descoberta de dispositivos
switch (apiId)
{
case XBeeApiType.ATCommandResponse:
res = new AtCommandResponse(length, br);
if (res.Command == "ND")
{
byte[] dados = res.Value;
}
break;
case XBeeApiType.NodeIdentificationIndicator:
res = new NodeIdentification(length, br);
break;
case XBeeApiType.ZigBeeReceivePacket:
res = new ZigbeeReceivePacket(length, br);
break;
case XBeeApiType.XBeeSensorReadIndicator:
res = new XBeeSensorRead(length, br);
break;
case XBeeApiType.RemoteCommandResponse:
res = new AtRemoteCommandResponse(length, br);
if (res.Command == "IS")
{
XBee.XBee newDev;
if (devices.TryGetValue(res.Address64, out newDev))
{
devices[res.Address64].SetIOStatus(res.Value);
}
else
{
newDev = new XBee.XBee(res.Address64, res.Address16);
devices.Add(res.Address64, newDev);
devices[res.Address64].SetIOStatus(res.Value); //repetido
}
}
break;
case XBeeApiType.ZigBeeIODataSampleRxIndicator:
res = new ZigBeeIODataSample(length, br);
break;
case XBeeApiType.APIIOSupportReceivePacket64bits:
res = new APIIOSupportReceivePacket64bits(length, br);
devices[res.Address64].SetIOStatus(res.Value);
break;
default:
//TODO: tratar erro na leitura do pacote
break;
}
if (res != null)
{
objAtual = res.ToString();
DataReceived(res.ToString());
}
_readBuffer.RemoveRange(0, length + 1 + 2 + 1);
}
