/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <param name="response">The command response in byte array format.</param>
/// <param name="status">The <see cref="ATCommandStatus"/> containing the response status.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
/// <seealso cref="ATCommandStatus"/>
public ATCommandResponse(ATCommand command, byte[] response, ATCommandStatus status)
{
Contract.Requires<ArgumentNullException>(command != null, "Command cannot be null.");
Contract.Requires<ArgumentNullException>(status != null, "Status cannot be null.");
Command = command;
Response = response;
Status = status;
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <param name="response">The command response in byte array format.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
public ATCommandResponse(ATCommand command, byte[] response)
: this(command, response, ATCommandStatus.OK)
{
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <param name="status">The <see cref="ATCommandStatus"/> containing the response status.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
/// <seealso cref="ATCommandStatus"/>
public ATCommandResponse(ATCommand command, ATCommandStatus status)
: this(command, null, status)
{
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
public ATCommandResponse(ATCommand command)
: this(command, null, ATCommandStatus.OK)
{
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <param name="response">The command response in byte array format.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
public ATCommandResponse(ATCommand command, byte[] response)
: this(command, response, ATCommandStatus.OK)
{
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <param name="status">The <see cref="ATCommandStatus"/> containing the response status.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
/// <seealso cref="ATCommandStatus"/>
public ATCommandResponse(ATCommand command, ATCommandStatus status)
: this(command, null, status)
{
}
/// <summary>
/// Initializes a new instance of the class <see cref="ATCommandResponse"/>.
/// </summary>
/// <param name="command">The <see cref="ATCommand"/> that generated the response.</param>
/// <exception cref="ArgumentNullException">if <paramref name="command"/> is null or <paramref name="status"/> is null.</exception>
/// <seealso cref="ATCommand"/>
public ATCommandResponse(ATCommand command)
: this(command, null, ATCommandStatus.OK)
{
}
/**
* Sends the given AT command and waits for answer or until the configured
* receive timeout expires.
*
* <p>The receive timeout is configured using the {@code setReceiveTimeout}
* method and can be consulted with {@code getReceiveTimeout} method.</p>
*
* @param command AT command to be sent.
* @return An {@code ATCommandResponse} object containing the response of
* the command or {@code null} if there is no response.
*
* @throws InterfaceNotOpenException if this device connection is not open.
* @throws InvalidOperatingModeException if the operating mode is different
* than {@link OperatingMode#API} and
* {@link OperatingMode#API_ESCAPE}.
* @throws IOException if an I/O error occurs while sending the AT command.
* @throws ArgumentNullException if {@code command == null}.
* @throws TimeoutException if the configured time expires while waiting
* for the command reply.
*
* @see XBeeDevice#getReceiveTimeout()
* @see XBeeDevice#setReceiveTimeout(int)
* @see com.digi.xbee.api.models.ATCommand
* @see com.digi.xbee.api.models.ATCommandResponse
*/
protected ATCommandResponse SendATCommand(ATCommand command)
/*throws InvalidOperatingModeException, TimeoutException, IOException*/ {
// Check if command is null.
if (command == null)
throw new ArgumentNullException("AT command cannot be null.");
// Check connection.
if (!connectionInterface.SerialPort.IsOpen)
throw new InterfaceNotOpenException();
ATCommandResponse response = null;
OperatingMode operatingMode = GetOperatingMode();
switch (operatingMode)
{
case OperatingMode.AT:
case OperatingMode.UNKNOWN:
default:
throw new InvalidOperatingModeException(operatingMode);
case OperatingMode.API:
case OperatingMode.API_ESCAPE:
// Create the corresponding AT command packet depending on if the device is local or remote.
XBeePacket packet;
if (IsRemote)
{
XBee16BitAddress remote16BitAddress = Get16BitAddress();
if (remote16BitAddress == null)
remote16BitAddress = XBee16BitAddress.UNKNOWN_ADDRESS;
RemoteATCommandOptions remoteATCommandOptions = RemoteATCommandOptions.OPTION_NONE;
if (IsApplyConfigurationChangesEnabled())
remoteATCommandOptions |= RemoteATCommandOptions.OPTION_APPLY_CHANGES;
packet = new RemoteATCommandPacket(GetNextFrameID(), Get64BitAddress(), remote16BitAddress, (byte)remoteATCommandOptions, command.Command, command.Parameter);
}
else
{
if (IsApplyConfigurationChangesEnabled())
packet = new ATCommandPacket(GetNextFrameID(), command.Command, command.Parameter);
else
packet = new ATCommandQueuePacket(GetNextFrameID(), command.Command, command.Parameter);
}
if (command.Parameter == null)
logger.DebugFormat(ToString() + "Sending AT command '{0}'.", command.Command);
else
logger.DebugFormat(ToString() + "Sending AT command '{0} {1}'.", command.Command, HexUtils.PrettyHexString(command.Parameter));
try
{
// Send the packet and build the corresponding response depending on if the device is local or remote.
XBeePacket answerPacket;
if (IsRemote)
answerPacket = localXBeeDevice.SendXBeePacket(packet);
else
answerPacket = SendXBeePacket(packet);
if (answerPacket is ATCommandResponsePacket)
response = new ATCommandResponse(command, ((ATCommandResponsePacket)answerPacket).CommandValue, ((ATCommandResponsePacket)answerPacket).Status);
else if (answerPacket is RemoteATCommandResponsePacket)
response = new ATCommandResponse(command, ((RemoteATCommandResponsePacket)answerPacket).getCommandValue(), ((RemoteATCommandResponsePacket)answerPacket).Status);
if (response != null && response.Response != null)
logger.DebugFormat(ToString() + "AT command response: {0}.", HexUtils.PrettyHexString(response.Response));
else
logger.Debug(ToString() + "AT command response: null.");
}
catch (InvalidCastException e)
{
logger.Error("Received an invalid packet type after sending an AT command packet." + e);
}
break;
}
return response;
}
/**
* Sends the given AT parameter to this XBee device with an optional
* argument or value and returns the response (likely the value) of that
* parameter in a byte array format.
*
* @param parameter The name of the AT command to be executed.
* @param parameterValue The value of the parameter to set (if any).
*
* @return A byte array containing the value of the parameter.
*
* @throws ArgumentException if {@code parameter.length() != 2}.
* @throws ArgumentNullException if {@code parameter == null}.
* @throws TimeoutException if there is a timeout executing the parameter.
* @throws XBeeException if there is any other XBee related exception.
*
* @see #getParameter(String)
* @see #executeParameter(String)
* @see #setParameter(String, byte[])
*/
private byte[] SendParameter(string parameter, byte[] parameterValue)/*throws TimeoutException, XBeeException */{
if (parameter == null)
throw new ArgumentNullException("Parameter cannot be null.");
if (parameter.Length != 2)
throw new ArgumentException("Parameter must contain exactly 2 characters.");
ATCommand atCommand = new ATCommand(parameter, parameterValue);
// Create and send the AT Command.
ATCommandResponse response = null;
try
{
response = SendATCommand(atCommand);
}
catch (IOException e)
{
throw new XBeeException("Error writing in the communication interface.", e);
}
// Check if AT Command response is valid.
CheckATCommandResponseIsValid(response);
// Return the response value.
return response.Response;
}
