C# CommandMessenger.SendCommand类代码示例

        // Loop function
        public void Loop()
        {
            // Create command FloatAddition, which will wait for a return command FloatAdditionResult
            var command = new SendCommand((int)Command.FloatAddition, (int)Command.FloatAdditionResult, 1000);

            // Add 2 float command arguments
            var a = 3.14F;
            var b = 2.71F;
            command.AddArgument(a);
            command.AddArgument(b);

            // Send command
            var floatAdditionResultCommand = _cmdMessenger.SendCommand(command);

            // Check if received a (valid) response
            if (floatAdditionResultCommand.Ok)
            {
                // Read returned argument
                var sum = floatAdditionResultCommand.ReadFloatArg();
                var diff = floatAdditionResultCommand.ReadFloatArg();

                // Compare with sum of sent values
                var errorSum  = sum  - (a + b);
                var errorDiff = diff - (a - b);

                Console.WriteLine("Received sum {0}, difference of {1}", sum, diff);
                Console.WriteLine("with errors {0} and {1}, respectively", errorSum, errorDiff);
            }
            else
                Console.WriteLine("No response!");

            // Stop running loop
            RunLoop = false;
        }

        // Setup function
        public void Setup()
        {
            _transport = new SerialTransport {CurrentSerialSettings = {DtrEnable = false}};
            // some boards (e.g. Sparkfun Pro Micro) DtrEnable may need to be true.                        
            // We do not need to set serial port and baud rate: it will be found by the connection manager                                                           

            // Initialize the command messenger with the Serial Port transport layer
            // Set if it is communicating with a 16- or 32-bit Arduino board
            _cmdMessenger = new CmdMessenger(_transport, BoardType.Bit16)
            {
                PrintLfCr = false // Do not print newLine at end of command, to reduce data being sent
            };

            // The Connection manager is capable or storing connection settings, in order to reconnect more quickly  
            // the next time the application is run. You can determine yourself where and how to store the settings
            // by supplying a class, that implements ISerialConnectionStorer. For convenience, CmdMessenger provides
            //  simple binary file storage functionality
            var serialConnectionStorer = new SerialConnectionStorer("SerialConnectionManagerSettings.cfg");

            // We don't need to provide a handler for the Identify command - this is a job for Connection Manager.
            _connectionManager = new SerialConnectionManager(
                _transport as SerialTransport, 
                _cmdMessenger,
                (int) Command.Identify, 
                CommunicationIdentifier,
                serialConnectionStorer)
            {
                // Enable watchdog functionality.
                WatchdogEnabled = true,

                // Instead of scanning for the connected port, you can disable scanning and only try the port set in CurrentSerialSettings
                //DeviceScanEnabled = false
            };

            // Show all connection progress on command line             
            _connectionManager.Progress += (sender, eventArgs) =>
            {
                // If you want to reduce verbosity, you can only show events of level <=2 or ==1
                if (eventArgs.Level <= 3) Console.WriteLine(eventArgs.Description);
            };

            // If connection found, tell the arduino to turn the (internal) led on
            _connectionManager.ConnectionFound += (sender, eventArgs) =>
            {
                // Create command
                var command = new SendCommand((int)Command.TurnLedOn);
                // Send command
                _cmdMessenger.SendCommand(command);
            };

            //You can also do something when the connection is lost
            _connectionManager.ConnectionTimeout += (sender, eventArgs) =>
            {
                //Do something
            };

            // Finally - activate connection manager
            _connectionManager.StartConnectionManager();
        }

        // Sent command to change led on/of state
        public void SetLedState(bool ledState)
        {
            // Create command to start sending data
            var command = new SendCommand((int)Command.SetLed, ledState);

            // Send command
            _cmdMessenger.SendCommand(new SendCommand((int)Command.SetLed, ledState));
        }

        public void SetLedFrequency(double ledFrequency)
        {
            // Send command to start sending data
            var command = new SendCommand((int)Command.SetLedFrequency,ledFrequency);

            // Send command
            _cmdMessenger.SendCommand(command);
        }

        // Loop function
        public void Loop()
        {
            // Create command
            var command = new SendCommand((int)Command.SetLed,_ledState);               

            // Send command
            _cmdMessenger.SendCommand(command);

            // Wait for 1 second and repeat
            Thread.Sleep(1000);
            _ledState = !_ledState;                                        // Toggle led state            
        }

 public override void Send(string message)
 {
     try
     {
         var cmd = new SendCommand((int)SerialCommand.SetLed, message);
         var recieve = cmdMessenger.SendCommand(cmd);
         OnSendSuccess(new MessageEventArgs(string.Format("Message Send Success: Id={0}, Message={1}", recieve.RawString, message)));
     }
     catch (Exception e)
     {
         OnSendFailure(new MessageEventArgs("Message Send Failure: " + e.ToString()));
     }
 }

        // Sent command to change led blinking frequency
        public void SetLedFrequency(double ledFrequency)
        {
            // Create command to start sending data
            var command = new SendCommand((int)Command.SetLedFrequency,ledFrequency);

            // Put the command on the queue and wrap it in a collapse command strategy
            // This strategy will avoid duplicates of this certain command on the queue: if a SetLedFrequency command is
            // already on the queue when a new one is added, it will be replaced at its current queue-position.
            // Otherwise the command will be added to the back of the queue.
            //
            // This will make sure that when the slider raises a lot of events that each send a new blink frequency, the
            // embedded controller will not start lagging.
            _cmdMessenger.QueueCommand(new CollapseCommandStrategy(command));
        }

        // Loop function
        public void Loop()
        {
            // Create command
            var command = new SendCommand((int)Command.SetLed,_ledState);               

            // Send command
            _cmdMessenger.SendCommand(command);

            Console.Write("Turning led ");
            Console.WriteLine(_ledState?"on":"off");

            // Wait for 1 second and repeat
            Thread.Sleep(1000);
            _ledState = !_ledState;   // Toggle led state            
        }

        /// <summary> Directly executes the send command operation. </summary>
        /// <param name="sendCommand">    The command to sent. </param>
        /// <param name="sendQueueState"> Property to optionally clear the send and receive queues. </param>
        /// <returns> A received command. The received command will only be valid if the ReqAc of the command is true. </returns>
        public ReceivedCommand ExecuteSendCommand(SendCommand sendCommand, SendQueue sendQueueState)
        {
            // Disable listening, all callbacks are disabled until after command was sent

            ReceivedCommand ackCommand;
            lock (_sendCommandDataLock)
            {

                if (PrintLfCr)
                    _communicationManager.WriteLine(sendCommand.CommandString());
                else
                    _communicationManager.Write(sendCommand.CommandString());
                ackCommand = sendCommand.ReqAc ? BlockedTillReply(sendCommand.AckCmdId, sendCommand.Timeout, sendQueueState) : new ReceivedCommand();
                }
                return ackCommand;
        }

        // Loop function
        public void Loop()
        {
            _count++;

            // Create command
            var command = new SendCommand((int)Command.SetLed,_ledState);               

            // Send command
            _cmdMessenger.SendCommand(command);

            // Wait for 1 second and repeat
            Thread.Sleep(1000);
            _ledState = !_ledState;                                        // Toggle led state  

            if (_count > 100) RunLoop = false;                             // Stop loop after 100 rounds
        }

        // ------------------ MAIN  ----------------------

        // Setup function
        public void Setup(ChartForm chartForm)
        {
           
            // getting the chart control on top of the chart form.
            _chartForm = chartForm;
            
            // Set up chart
            _chartForm.SetupChart();

            // Create Serial Port object
            // Note that for some boards (e.g. Sparkfun Pro Micro) DtrEnable may need to be true.
            _serialTransport = new SerialTransport
            {
                CurrentSerialSettings = { PortName = "COM6", BaudRate = 115200, DtrEnable = false } // object initializer
            };

            // Initialize the command messenger with the Serial Port transport layer
            // Set if it is communicating with a 16- or 32-bit Arduino board
            _cmdMessenger = new CmdMessenger(_serialTransport, BoardType.Bit16);

            // Tell CmdMessenger to "Invoke" commands on the thread running the WinForms UI
            _cmdMessenger.ControlToInvokeOn = chartForm;

            // Set Received command strategy that removes commands that are older than 1 sec
            _cmdMessenger.AddReceiveCommandStrategy(new StaleGeneralStrategy(1000));

            // Attach the callbacks to the Command Messenger
            AttachCommandCallBacks();

            // Attach to NewLinesReceived for logging purposes
            _cmdMessenger.NewLineReceived += NewLineReceived;

            // Attach to NewLineSent for logging purposes
            _cmdMessenger.NewLineSent += NewLineSent;                       

            // Start listening
            _cmdMessenger.Connect();

            // Send command to start sending data
            var command = new SendCommand((int)Command.StartLogging);

            // Send command
            _cmdMessenger.SendCommand(command);
        }

        // ------------------ MAIN  ----------------------

        // Setup function
        public void Setup(ChartForm chartForm)
        {
           
            // getting the chart control on top of the chart form.
            _chartForm = chartForm;
            
            // Set up chart
            _chartForm.SetupChart();

            // Create Serial Port object
            _serialTransport = new SerialTransport
            {
                CurrentSerialSettings = { PortName = "COM6", BaudRate = 115200 } // object initializer
            };

            // Initialize the command messenger with the Serial Port transport layer
            _cmdMessenger = new CmdMessenger(_serialTransport);

            // Tell CmdMessenger to "Invoke" commands on the thread running the WinForms UI
            _cmdMessenger.SetControlToInvokeOn(chartForm);

            // Set Received command strategy that removes commands that are older than 1 sec
            _cmdMessenger.AddReceiveCommandStrategy(new StaleGeneralStrategy(1000));

            // Attach the callbacks to the Command Messenger
            AttachCommandCallBacks();

            // Attach to NewLinesReceived for logging purposes
            _cmdMessenger.NewLineReceived += NewLineReceived;

            // Attach to NewLineSent for logging purposes
            _cmdMessenger.NewLineSent += NewLineSent;                       

            // Start listening
            _cmdMessenger.StartListening();

            // Send command to start sending data
            var command = new SendCommand((int)Command.StartLogging);

            // Send command
            _cmdMessenger.SendCommand(command);
        }

        private const float SeriesBase = 1111111.111111F;       // Base of values to return: SeriesBase * (0..SeriesLength-1)

        // ------------------ M A I N  ----------------------

        // Setup function
        public void Setup()
        {
            // Create Serial Port object
            _serialTransport = new SerialTransport
            {
                CurrentSerialSettings = { PortName = "COM6", BaudRate = 115200 } // object initializer
            };

            // Initialize the command messenger with the Serial Port transport layer
            _cmdMessenger = new CmdMessenger(_serialTransport);

            // Attach the callbacks to the Command Messenger
            AttachCommandCallBacks();                

            // Start listening
            _cmdMessenger.StartListening();

            _receivedPlainTextCount = 0;
            
            // Send command requesting a series of 100 float values send in plain text
            var commandPlainText = new SendCommand((int)Command.RequestPlainTextFloatSeries);
            commandPlainText.AddArgument(SeriesLength);
            commandPlainText.AddArgument(SeriesBase);
            // Send command 
            _cmdMessenger.SendCommand(commandPlainText);

            // Now wait until all values have arrived
            while (!_receivePlainTextFloatSeriesFinished) {}

            // Send command requesting a series of 100 float values send in plain text
            var commandBinary = new SendCommand((int)Command.RequestBinaryFloatSeries);
            commandBinary.AddBinArgument((UInt16)SeriesLength);
            commandBinary.AddBinArgument((Single)SeriesBase); 
            
            // Send command 
            _cmdMessenger.SendCommand(commandBinary);

            // Now wait until all values have arrived
            while (!_receiveBinaryFloatSeriesFinished) { }
        }

        // *** Benchmark 2 ***
        // Setup queued send series
        private void SetupQueuedSendSeries()
        {
            Common.StartTest("Calculating speed in sending queued series of float data");
            WaitAndClear();

            _minimalBps = _systemSettings.MinSendSpeed;
            _sendSeriesFinished = false;
            var prepareSendSeries = new SendCommand(_command["PrepareSendSeries"]);
            prepareSendSeries.AddArgument(SeriesLength);
            _cmdMessenger.SendCommand(prepareSendSeries, SendQueue.WaitForEmptyQueue, ReceiveQueue.WaitForEmptyQueue);

            // Prepare
            _receivedBytesCount = 0;
            _cmdMessenger.PrintLfCr = true;
            _beginTime = Millis;

            // Now queue all commands
            for (var sendItemsCount = 0; sendItemsCount < SeriesLength; sendItemsCount++)
            {
                var sendSeries = new SendCommand(_command["SendSeries"]);
                sendSeries.AddArgument(sendItemsCount * SeriesBase);

                _receivedBytesCount += CountBytesInCommand(sendSeries, _cmdMessenger.PrintLfCr);

                _cmdMessenger.QueueCommand(sendSeries);
                if (sendItemsCount % (SeriesLength / 10) == 0)
                    Common.WriteLine("Send value: " + sendItemsCount * SeriesBase);
            }

            // Now wait until receiving party acknowledges that values have arrived
            while (!_sendSeriesFinished)
            {
                Thread.Sleep(10);
            }
        }

        // *** Benchmark 3 ***
        private void DirectSendSeries()
        {
            Common.StartTest("Calculating speed in individually sending a series of float data");
            WaitAndClear();

            _minimalBps = _systemSettings.MinDirectSendSpeed;
            _sendSeriesFinished = false;

            var prepareSendSeries = new SendCommand(_command["PrepareSendSeries"]);
            prepareSendSeries.AddArgument(SeriesLength);
            // We need to to send the prepareSendSeries by bypassing the queue or it might be sent after the directly send commands later on
            _cmdMessenger.SendCommand(prepareSendSeries, SendQueue.WaitForEmptyQueue, ReceiveQueue.WaitForEmptyQueue,UseQueue.BypassQueue);

            // Prepare
            _receivedBytesCount = 0;
            _cmdMessenger.PrintLfCr = true;
            _beginTime = Millis;

            // Now send all commands individually and bypass the queue
             for (var sendItemsCount = 0; sendItemsCount < SeriesLength; sendItemsCount++)
            {
                var sendSeries = new SendCommand(_command["SendSeries"]);
                sendSeries.AddArgument(sendItemsCount * SeriesBase);

                _receivedBytesCount += CountBytesInCommand(sendSeries, _cmdMessenger.PrintLfCr);

                _cmdMessenger.SendCommand(sendSeries, SendQueue.Default, ReceiveQueue.Default, UseQueue.BypassQueue);

                if (sendItemsCount%(SeriesLength/10) == 0)
                {
                    Common.WriteLine("Send value: " + sendItemsCount*SeriesBase);
                }
            }
            _endTime = Millis;
            // Now wait until receiving party acknowledges that values have arrived
            while (!_sendSeriesFinished)
            {
                Thread.Sleep(10);
            }
        }