/**
* Parses the given API payload to get the right API packet, depending
* on its API type ({@code payload[0]}).
*
* @param payload The payload of the API frame.
*
* @return The corresponding API packet or {@code UnknownXBeePacket} if
* the frame API type is unknown.
*
* @throws InvalidPacketException if the payload is invalid for the
* specified frame type.
*
* @see APIFrameType
* @see XBeePacket
*/
private XBeePacket ParsePayload(byte[] payload) /*throws InvalidPacketException*/
{
// Get the API frame type.
APIFrameType apiType = APIFrameType.GENERIC.Get(payload[0]);
if (apiType == APIFrameType.UNKNOWN)
{
// Create unknown packet.
return(UnknownXBeePacket.CreatePacket(payload));
}
// Parse API payload depending on API ID.
XBeePacket packet = null;
switch (apiType)
{
case APIFrameType.TX_64:
packet = TX64Packet.CreatePacket(payload);
break;
case APIFrameType.TX_16:
packet = TX16Packet.CreatePacket(payload);
break;
case APIFrameType.AT_COMMAND:
packet = ATCommandPacket.CreatePacket(payload);
break;
case APIFrameType.AT_COMMAND_QUEUE:
packet = ATCommandQueuePacket.CreatePacket(payload);
break;
case APIFrameType.TRANSMIT_REQUEST:
packet = TransmitPacket.createPacket(payload);
break;
case APIFrameType.REMOTE_AT_COMMAND_REQUEST:
packet = RemoteATCommandPacket.createPacket(payload);
break;
case APIFrameType.RX_64:
packet = RX64Packet.CreatePacket(payload);
break;
case APIFrameType.RX_16:
packet = RX16Packet.CreatePacket(payload);
break;
case APIFrameType.RX_IO_64:
packet = RX64IOPacket.CreatePacket(payload);
break;
case APIFrameType.RX_IO_16:
packet = RX16IOPacket.CreatePacket(payload);
break;
case APIFrameType.AT_COMMAND_RESPONSE:
packet = ATCommandResponsePacket.createPacket(payload);
break;
case APIFrameType.TX_STATUS:
packet = TXStatusPacket.createPacket(payload);
break;
case APIFrameType.MODEM_STATUS:
packet = ModemStatusPacket.CreatePacket(payload);
break;
case APIFrameType.TRANSMIT_STATUS:
packet = TransmitStatusPacket.createPacket(payload);
break;
case APIFrameType.RECEIVE_PACKET:
packet = ReceivePacket.createPacket(payload);
break;
case APIFrameType.IO_DATA_SAMPLE_RX_INDICATOR:
packet = IODataSampleRxIndicatorPacket.CreatePacket(payload);
break;
case APIFrameType.REMOTE_AT_COMMAND_RESPONSE:
packet = RemoteATCommandResponsePacket.createPacket(payload);
break;
case APIFrameType.GENERIC:
default:
packet = GenericXBeePacket.CreatePacket(payload);
break;
}
return(packet);
}