public static async Task <Pn532CommunicationHsu> CreateSerialPort(string deviceName)
{
string deviceQuery = SerialDevice.GetDeviceSelector(deviceName);
var discovered = await DeviceInformation.FindAllAsync(deviceQuery);
var readerInfo = discovered.FirstOrDefault(/*x => x.Name.IndexOf(deviceName, StringComparison.OrdinalIgnoreCase) > -1*/);
//var readerInfo = discovered.FirstOrDefault();
SerialDevice reader = null;
if (readerInfo != null)
{
reader = await SerialDevice.FromIdAsync(readerInfo.Id);
if (reader != null)
{
reader.WriteTimeout = TimeSpan.FromMilliseconds(1000);
reader.ReadTimeout = TimeSpan.FromMilliseconds(1000);
reader.BaudRate = 115200;
reader.Parity = SerialParity.None;
reader.StopBits = SerialStopBitCount.One;
reader.DataBits = 8;
}
else
{
throw new Exception("Reader Not configured");
}
}
else
{
throw new Exception("Reader Not configured");
}
return(new Pn532CommunicationHsu(reader));
}
private async void SerialPortConfiguration()
{
if (portId != null && serialPort == null)
{
try
{
serialPort = await SerialDevice.FromIdAsync(portId);
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(100);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(100);
serialPort.BaudRate = 115200;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
ReadCancellationTokenSource = new CancellationTokenSource();
Debug.WriteLine("Connection configuration completed");
Listen();
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message + " - Failed to connect.");
}
}
}
public async void InitializeReader(Action <string> callback)
{
//Selector nadje device
var selector = SerialDevice.GetDeviceSelector(port);
//info na onsovu selektora
var devices = await DeviceInformation.FindAllAsync(selector);
//nadje se device info
if (devices.Any())
{
var deviceInfo = devices.First();
//najosjetljivija metoda, vraca null ako nesto nije uredu
//to moze biti da nije capability naveden u manifestu, da device ne prepoznaje ili da je device zauzet od druge aplikacije
//da je user blokirao ili sistem
//moze biti null iako je nadjen device information
serialDevice = await SerialDevice.FromIdAsync(deviceInfo.Id);
//Set up serial device according to device specifications:
//This might differ from device to device
//specifikacije com porta, nacin na koj iuredjaj salje bite
serialDevice.BaudRate = 9600;
serialDevice.DataBits = 8;
serialDevice.Parity = SerialParity.None;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.ReadTimeout = TimeSpan.FromMilliseconds(1000);
//ima sekundu izmedju dva citanja, ako se kartica brzo provuce dvaput biti ce 28 bita
ReadCancellationTokenSource = new CancellationTokenSource();
//pokretanje uredjaja
Listen(callback);
}
}
public WinIotPackageManager()
{
try
{
_sequenceDataList = new List <byte[]>();
_packetRecived = new AutoResetEvent(false);
var deviceSelector = SerialDevice.GetDeviceSelector();
var devices = Task.Run(async() => await DeviceInformation.FindAllAsync(deviceSelector)).Result;
if (devices.Count <= 0)
{
throw new Exception("Device not found -->[WinIotPakcgeManager_Constructor]");
}
var entry = devices.Single(x => x.Name.Equals("CP2102 USB to UART Bridge Controller")); //CP2102 USB to UART Bridge Controller
_serialDevice = SerialDevice.FromIdAsync(entry.Id).AsTask().Result;
// Configure serial settings
_serialDevice.WriteTimeout = TimeSpan.FromMilliseconds(250);
_serialDevice.ReadTimeout = TimeSpan.FromMilliseconds(250);
_serialDevice.BaudRate = 57600;
_serialDevice.Parity = SerialParity.None;
_serialDevice.StopBits = SerialStopBitCount.One;
_serialDevice.DataBits = 8;
// Create cancellation token object to close I/O operations when closing the device
_readCancellationTokenSource = new CancellationTokenSource();
ListenToSerialPort();
}
catch (Exception ex)
{
throw new Exception($"{ex.Message} -->[WinIotPakcgeManager_Constructor]", ex.InnerException);
}
}
private async Task FindDevice()
{
Debug.WriteLine("begintest");
UInt16 vid = 0x2341;
UInt16 pid = 0x0001;
string aqs = SerialDevice.GetDeviceSelectorFromUsbVidPid(vid, pid);
var myDevices = await DeviceInformation.FindAllAsync(aqs);
if (myDevices.Count == 0)
{
Debug.WriteLine("Device not found!");
return;
}
try
{
Debug.WriteLine("testrange");
Debug.WriteLine(myDevices[0].Id);
serialPort = await SerialDevice.FromIdAsync(myDevices[0].Id);
if (serialPort == null)
{
Debug.WriteLine("null2");
return;
}
Debug.WriteLine("ok");
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = 9600;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
Debug.WriteLine("ok2");
/*String debugtest = "Serial port configured successfully: ";
* debugtest += serialPort.BaudRate + "-";
* debugtest += serialPort.DataBits + "-";
* debugtest += serialPort.Parity.ToString() + "-";
* debugtest += serialPort.StopBits;
* debugtest += (DeviceInformation)myDevices[0];
*
* Debug.WriteLine("debugtest1");
* Debug.WriteLine(debugtest);*/
Debug.WriteLine("debugtest2");
await Listen();
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message.ToString());
Debug.WriteLine("error");
}
finally
{
Debug.WriteLine("Opened device for communication.");
}
Debug.WriteLine("test2");
}
public async Task Initialize()
{
var serialSelector = SerialDevice.GetDeviceSelector();
var serialDevices = (await DeviceInformation.FindAllAsync(serialSelector)).ToList();
var hostNames = NetworkInformation.GetHostNames().Select(hostName => hostName.DisplayName.ToUpper()).ToList(); // So we can ignore inbuilt ports
foreach (var deviceInfo in serialDevices)
{
if (hostNames.FirstOrDefault(hostName => hostName.StartsWith(deviceInfo.Name.ToUpper())) == null)
{
try
{
var serialDevice = await SerialDevice.FromIdAsync(deviceInfo.Id);
if (serialDevice != null)
{
_SerialDevices.Add(deviceInfo.Id, serialDevice);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
}
}
private async void SerialPortConfiguration()
{
var selection = lstSerialDevices.SelectedItems;
if (selection.Count <= 0)
{
txtMessage.Text = "Select an object for serial connection!";
return;
}
DeviceInformation entry = (DeviceInformation)selection[0];
try
{
serialPort = await SerialDevice.FromIdAsync(entry.Id);
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = 115200;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
txtMessage.Text = "Serial Port Correctly Configured!";
ReadCancellationTokenSource = new CancellationTokenSource();
Listen();
}
catch (Exception ex)
{
txtMessage.Text = ex.Message;
}
}
public override async Task <bool> Connect(Connection newConnection)
{
var deviceInfo = newConnection.Source as DeviceInformation;
if (deviceInfo != null)
{
this.service = await SerialDevice.FromIdAsync(deviceInfo.Id);
if (this.service == null)
{
return(false);
}
this.service.BaudRate = 115200;
this.service.StopBits = SerialStopBitCount.One;
this.service.Handshake = SerialHandshake.None;
this.service.DataBits = 8;
this.service.ReadTimeout = TimeSpan.FromSeconds(5);
this.service.WriteTimeout = TimeSpan.FromSeconds(5);
this.service.IsDataTerminalReadyEnabled = false;
return(this.InstrumentSocket(this.service.InputStream, this.service.OutputStream));
}
return(false);
}
private async Task SetupSerialConnection()
{
// get a handle to the serial device specified earlier
serialPort = await SerialDevice.FromIdAsync(serialDeviceName);
if (serialPort == null)
{
Debug.WriteLine("Oops - cannot connect to serial port");
}
Debug.WriteLine("connected to serial port");
// Configure serial settings
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = 9600;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
// Display configured settings
string status;
status = "Serial port configured successfully: ";
status += serialPort.BaudRate + "-";
status += serialPort.DataBits + "-";
status += serialPort.Parity.ToString() + "-";
status += serialPort.StopBits;
Debug.WriteLine(status);
}
private async void ConnCom_Button_Click(object _, RoutedEventArgs e)
{
var devices = await DeviceInformation.FindAllAsync(SerialDevice.GetDeviceSelector());
device_writer = await SerialDevice.FromIdAsync(devices[0].Id);
device_writer.BaudRate = 57600;
if (device_writer != null)
{
FindDevice_List.Text += $"Connect to {device_writer.PortName}: {device_writer.BaudRate} \r\n";
}
else
{
FindDevice_List.Text += $"Connect to {device_writer.PortName} Failed \r\n";
}
/*
* device_reader = await SerialDevice.FromIdAsync(devices[1].Id);
* if (device_reader != null)
* {
* FindDevice_List.Text += $"Connect to {device_reader.PortName}: {device_reader.BaudRate} \r\n";
* }
* else
* {
* FindDevice_List.Text += $"Connect to {device_reader.PortName} Failed \r\n";
* }
*/
}
/// <summary>
/// Connects to a serial device.
/// </summary>
/// <param name="deviceInfo">The serial device information.</param>
private async void DeviceConnect(DeviceInformation deviceInfo)
{
try {
// Open serial port
serialPort = await SerialDevice.FromIdAsync(deviceInfo.Id);
// Set port settings
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = DeviceBaudRate;
serialPort.DataBits = DeviceDataBits;
serialPort.StopBits = DeviceStopBits;
serialPort.Parity = DeviceParity;
serialPort.Handshake = DeviceHandshake;
// Update UI to reflect "device connected" state
serialConnectButton.IsEnabled = false;
serialDisconnectButton.IsEnabled = true;
statusTextBlock.Text = StatusDeviceConnectSuccess + " " + StatusDeviceWait;
// Set the cancellation token source
readCancellationTokenSource = new CancellationTokenSource();
// Listen on device
DeviceListen();
} catch (Exception ex) {
statusTextBlock.Text = ex.Message;
serialPort = null;
serialConnectButton.IsEnabled = true;
serialDisconnectButton.IsEnabled = false;
}
}
/// <summary>
/// Simple Modbus serial RTU slave example.
/// </summary>
public async void StartModbusSerialRtuSlave()
{
using (SerialDevice slavePort = await SerialDevice.FromIdAsync("COM2"))
{
// configure serial port
slavePort.BaudRate = 9600;
slavePort.DataBits = 8;
slavePort.Parity = SerialParity.None;
slavePort.StopBits = SerialStopBitCount.One;
byte unitId = 1;
var adapter = new SerialPortAdapter(slavePort);
// create modbus slave
ModbusSlave slave = ModbusSerialSlave.CreateRtu(unitId, adapter);
slave.DataStore = DataStoreFactory.CreateDefaultDataStore();
slave.ListenAsync().GetAwaiter().GetResult();
}
}
public async void GetDevice(string model)
{
if (devices == null)
{
if (model == "MEGA")
{
string selector = SerialDevice.GetDeviceSelectorFromUsbVidPid(ArduinoDevice.MegaVid, ArduinoDevice.MegaPid);
this.devices = await DeviceInformation.FindAllAsync(selector);
}
if (model == "UNO")
{
string selector = SerialDevice.GetDeviceSelectorFromUsbVidPid(ArduinoDevice.UnoVid, ArduinoDevice.UnoPid);
this.devices = await DeviceInformation.FindAllAsync(selector);
}
}
if (devices.Count > 0)
{
try
{
this.deviceInfo = devices[0];
this.serialDevice = await SerialDevice.FromIdAsync(deviceInfo.Id);
this.serialDevice.BaudRate = 9600;
this.serialDevice.Parity = SerialParity.None;
this.serialDevice.StopBits = SerialStopBitCount.One;
this.serialDevice.Handshake = SerialHandshake.None;
this.serialDevice.DataBits = 8;
}
finally
{
}
}
}
/// <summary>
/// Initializes _serialGPSDevice based on the DeviceInformation.
/// </summary>
/// <param name="DeviceInfo">
/// The device to be initialized.
/// </param>
/// <returns></returns>
private async Task <SerialPortDevice> InitGPSAsync(DeviceInformation DeviceInfo)
{
if (_serialGPSDevice != null && _serialGPSDevice.IsOpen)
{
//Close if a device is currently in use.
CloseAndDisposeSerialGPS();
}
SerialDevice serialPort = await SerialDevice.FromIdAsync(DeviceInfo.Id);
if (serialPort != null)
{
serialPort.BaudRate = 4800;
serialPort.DataBits = 8;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
///IMPORTANT
///Makes sure that the serial port parameters are actually set.
///https://github.com/dotMorten/NmeaParser/issues/13
///
var _baud = serialPort.BaudRate;
var _data = serialPort.DataBits;
var _pair = serialPort.Parity;
var _stop = serialPort.StopBits;
///IMPORTANT
return(new SerialPortDevice(serialPort));
}
return(null);
}
private async Task ReconfigurePort(uint baudRate, string deviceId)
{
if (serialPort == null)
{
serialPort = await SerialDevice.FromIdAsync(deviceId);
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = baudRate;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
dataWriteObject = new DataWriter(serialPort.OutputStream);
}
else
{
dataWriteObject.DetachStream();
dataWriteObject.DetachBuffer();
dataWriteObject.Dispose();
dataReaderObject.DetachStream();
dataReaderObject.Dispose();
serialPort.BaudRate = baudRate;
dataWriteObject = new DataWriter(serialPort.OutputStream);
}
}
private async System.Threading.Tasks.Task InitGPIOAsync()
{
aqs = SerialDevice.GetDeviceSelector();
dis = await DeviceInformation.FindAllAsync(aqs);
using (SerialDevice serialPort = await SerialDevice.FromIdAsync(dis[0].Id))
{
/* Configure serial settings */
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialPort.BaudRate = 9600; /* mini UART: only standard baudrates */
serialPort.Parity = SerialParity.None; /* mini UART: no parities */
serialPort.StopBits = SerialStopBitCount.One; /* mini UART: 1 stop bit */
serialPort.DataBits = 8;
/* Write a string out over serial */
// turn on autocalibration
byte[] send79Buffer = { 0XFF, 0x01, 0x79, 0xA0, 0x00, 0x00, 0x00, 0x00, 0x79 };
DataWriter dataWriter = new DataWriter();
//dataWriter.WriteString(txBuffer);
dataWriter.WriteBytes(send79Buffer);
uint bytesWritten = await serialPort.OutputStream.WriteAsync(dataWriter.DetachBuffer());
Debug.WriteLine("Autokalibrace vypnuta.");
}
}
public static async void InitializeSerial(ushort vid, ushort pid)
{
string aqs = SerialDevice.GetDeviceSelectorFromUsbVidPid(vid, pid);
var myDevices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(aqs, null);
if (myDevices.Count == 0)
{
Debug.Write("No device detected\r\n");
return;
}
else
{
try
{
Debug.Write("Device connected!\r\n");
serialDevice = await SerialDevice.FromIdAsync(myDevices[0].Id);
serialDevice.BaudRate = 9600;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.DataBits = 8;
serialDevice.Parity = SerialParity.None;
serialDevice.Handshake = SerialHandshake.None;
Debug.Write(serialDevice.PortName + " open\r\n");
SendSetupCommands();
}
catch
{
Debug.Write("No device detected\r\n");
}
return;
}
}
/// <summary>
/// Initialisation du port série
/// 9600, pas de parité, un bit de stop, 8bits
/// début de réception
/// </summary>
/// <param name="BaudRate"></param>
/// <returns></returns>
public async Task Initialise(uint BaudRate) //NOTE - THIS IS AN ASYNC METHOD!
{
try
{
// Recherche du port série
string aqs = SerialDevice.GetDeviceSelector("UART0");
var dis = await DeviceInformation.FindAllAsync(aqs);
UartPort = await SerialDevice.FromIdAsync(dis[0].Id);
//Configuration du port série
//mS before a time-out occurs when a write operation does not finish (default=InfiniteTimeout).
UartPort.WriteTimeout = TimeSpan.FromMilliseconds(10000);
//mS before a time-out occurs when a read operation does not finish (default=InfiniteTimeout).
UartPort.ReadTimeout = TimeSpan.FromMilliseconds(10000);
UartPort.BaudRate = 9600;
UartPort.Parity = SerialParity.None;
UartPort.StopBits = SerialStopBitCount.One;
UartPort.DataBits = 8;
DataReaderObject = new DataReader(UartPort.InputStream);
DataReaderObject.InputStreamOptions = InputStreamOptions.Partial;
DataWriterObject = new DataWriter(UartPort.OutputStream);
// Début de la réception
StartReceive();
}
catch (Exception ex)
{
throw new Exception("Uart Initialise Error", ex);
}
}
public async Task InitSerial()
{
var devices = await DeviceInformation.FindAllAsync(SerialDevice.GetDeviceSelector());
foreach (var device in devices)
{
SerialDevice serialDevice;
try
{
serialDevice = await SerialDevice.FromIdAsync(device.Id);
serialDevice.BaudRate = 9600;
serialDevice.DataBits = 8;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.Parity = SerialParity.None;
serialDevice.Handshake = SerialHandshake.None;
serialDevice.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialDevice.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialDevices.Add(serialDevice);
dataWriters.Add(new DataWriter(serialDevice.OutputStream));
}
catch (Exception ex)
{
Debug.WriteLine("Serial初期化中のエラー: " + ex.Message);
continue;
}
}
}
// blew up gertbot board, so commenting out
//private void _gertbot_GertbotInterrupt(object sender, GertbotEventArgs e)
//{
// if (StatusUpdate != null)
// {
// StatusUpdate(this, new HttpServerStatusArgs(1, "hardware update", 0));
// }
//}
public async void InitialiseHardware()
{
// PI Face intialisation
await _spiDriver.InitHardware();
//await _gertbot.InitHardware();
// bluetooth serial
string aqs = SerialDevice.GetDeviceSelector();
DeviceInformationCollection devices_info = await DeviceInformation.FindAllAsync(aqs);
// making an assumption here that the serial we want is #1
// this will only work with Windows IOT version Insider Preview Build Number 10556.0
_serialDevice = await SerialDevice.FromIdAsync(devices_info[0].Id);
if (_serialDevice != null)
{
// Configure serial settings
_serialDevice.WriteTimeout = TimeSpan.FromMilliseconds(1000);
_serialDevice.ReadTimeout = TimeSpan.FromMilliseconds(1000);
_serialDevice.BaudRate = 115200;
_serialDevice.Parity = SerialParity.None;
_serialDevice.StopBits = SerialStopBitCount.One;
_serialDevice.DataBits = 8;
_serialDevice.Handshake = SerialHandshake.None;
_dw = new DataWriter(_serialDevice.OutputStream);
_dr = new DataReader(_serialDevice.InputStream);
_dr.InputStreamOptions = InputStreamOptions.None;
// start the read thread
StartReadThread();
}
// turn the relay on and power up the motordriver
SetBitState(MOTOR_POWER, 0);
}
public async void Ouvrir()
{
Debug.WriteLine("PSERIE " + _infoPeripherique.Name + ", " + _infoPeripherique.Id + " : Ouvrir()");
try
{
SerialDevice _temp = await SerialDevice.FromIdAsync(_infoPeripherique.Id);
if (_temp != null)
{
lock (_portSerieLock) { _portSerie = _temp; }
Debug.WriteLine("PSERIE " + _infoPeripherique.Name + ", " + _infoPeripherique.Id + " : Ouvrir()=OK!");
_portSerie.BaudRate = Parametres.Vitesse;
_portSerie.Parity = Parametres.Parite;
_portSerie.StopBits = Parametres.BitsDeStop;
_portSerie.DataBits = Parametres.BitsDeDonnees;
_portSerie.Handshake = Parametres.ControleDeFlux;
_portSerie.ReadTimeout = TimeSpan.FromMilliseconds(Parametres.DureeLectureMs);
_portSerie.WriteTimeout = TimeSpan.FromMilliseconds(Parametres.DureeEcritureMs);
SurModificationEtat?.Invoke(this, ElementModifie.portOuvert);
if (Parametres.DureeLectureMs > 0)
{
LectureContinue();
}
}
else
{
Debug.WriteLine("PSERIE " + _infoPeripherique.Name + ", " + _infoPeripherique.Id + " : Ouvrir()=ECHOUE !");
}
}
catch (Exception ex)
{
lock (_portSerieLock) { _portSerie = null; }
Debug.WriteLine("PSERIE " + _infoPeripherique.Name + ", " + _infoPeripherique.Id + " : Ouvrir() ERREUR = " + ex.GetType().ToString() + " " + ex.Message);
}
}
public async void Start()
{
try
{
serialPort = await SerialDevice.FromIdAsync(deviceInfo.Id);
serialPort.WriteTimeout = TimeSpan.FromMilliseconds(100);
serialPort.ReadTimeout = TimeSpan.FromMilliseconds(100);
serialPort.BaudRate = 9600;
serialPort.Parity = SerialParity.None;
serialPort.StopBits = SerialStopBitCount.One;
serialPort.DataBits = 8;
serialPort.Handshake = SerialHandshake.None;
cancelToken = new CancellationTokenSource();
var schedulerForUiContext = TaskScheduler.FromCurrentSynchronizationContext();
running = true;
ConfigPort();
backgroundProcess = Task.Factory.StartNew(delegate { SerialListen(schedulerForUiContext); }, TaskCreationOptions.LongRunning, cancelToken.Token);
}
catch (Exception ex)
{
throw ex;
}
}
public async Task <PositionControllerResponse> TryToConnect(string serialDeviceId)
{
if (string.IsNullOrWhiteSpace(serialDeviceId))
{
this.logger.Error($"'{nameof(serialDeviceId)}' is null, empty or whitespace");
return(new PositionControllerResponse(PositionControllerStatus.CS_ERR_INVALID_ARGUMENT));
}
this.semaphore.WaitOne();
try
{
this.deviceId = serialDeviceId;
this.serialDevice = await SerialDevice.FromIdAsync(serialDeviceId);
if (this.serialDevice == null)
{
this.logger.Error($"'{nameof(serialDeviceId)}' is busy, most likely it is being used by some other application");
return(new PositionControllerResponse(PositionControllerStatus.CS_ERR_DEVICE_BUSY));
}
this.serialDevice.BaudRate = 230400;
this.serialDevice.IsDataTerminalReadyEnabled = true;
this.serialDevice.IsRequestToSendEnabled = true;
this.serialDevice.Parity = SerialParity.None;
this.serialDevice.StopBits = SerialStopBitCount.One;
this.serialDevice.DataBits = 8;
this.serialDevice.ReadTimeout = TimeSpan.FromSeconds(1);
this.serialDevice.WriteTimeout = TimeSpan.FromSeconds(1);
using (CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(1)))
{
Task <IBuffer> readTask = this.serialDevice.InputStream.ReadAsync(this.response.AsBuffer(), RESPONSE_LENGTH, InputStreamOptions.None)
.AsTask(cancellationTokenSource.Token);
Task <uint> writeTask = this.serialDevice.OutputStream.WriteAsync(commandsBuffers[PositionControllerCommand.GET_STATUS].AsBuffer())
.AsTask();
await Task.WhenAll(writeTask, readTask)
.ConfigureAwait(false);
}
return(DecodeResponse(this.response));
}
catch (TaskCanceledException)
{
this.logger.Error($"'{nameof(serialDeviceId)}' get position controller status request timed out");
DisconnectUnsafe();
return(new PositionControllerResponse(PositionControllerStatus.CS_ERR_COMMUNICATION_TIMEOUT));
}
catch (Exception e)
{
this.logger.Error(e, $"unexpected exception while getting '{nameof(serialDeviceId)}' position controller status");
DisconnectUnsafe();
return(new PositionControllerResponse(PositionControllerStatus.CS_ERR_UNEXPECTED));
}
finally
{
this.semaphore.Release();
}
}
internal async Task <SerialDevice> GetSerialDeviceAsync(string identifier, int baudRate, TimeSpan readTimeout, TimeSpan writeTimeout)
{
var deviceInformationCollection = await DeviceInformation.FindAllAsync(SerialDevice.GetDeviceSelector());
var selectedPort = deviceInformationCollection.FirstOrDefault(d => d.Id.Contains(identifier) || d.Name.Equals(identifier));
if (selectedPort == null)
{
return(null);
}
var serialDevice = await SerialDevice.FromIdAsync(selectedPort.Id);
if (serialDevice == null)
{
return(null);
}
serialDevice.ReadTimeout = readTimeout;
serialDevice.WriteTimeout = writeTimeout;
serialDevice.BaudRate = (uint)baudRate;
serialDevice.Parity = SerialParity.None;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.DataBits = 8;
serialDevice.Handshake = SerialHandshake.None;
Debug.WriteLine($"Found - {identifier}");
return(serialDevice);
}
public static async void OpenSerialAsync(string colorValue)
{
var selector = SerialDevice.GetDeviceSelector("COM5");
var devices = await DeviceInformation.FindAllAsync(selector);
if (devices.Any())
{
var deviceInfo = devices.First().Id;
SerialDevice serialDevice = await SerialDevice.FromIdAsync(deviceInfo);
if (serialDevice != null)
{
serialDevice.BaudRate = 9600;
serialDevice.DataBits = 8;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.Parity = SerialParity.None;
serialDevice.Handshake = SerialHandshake.None;
DataWriter dataWriter = new DataWriter(serialDevice.OutputStream);
dataWriter.WriteString(colorValue + "\n");
await dataWriter.StoreAsync();
dataWriter.DetachStream();
serialDevice.Dispose();
}
}
else
{
MessageDialog popup = new MessageDialog("Sorry, no device found.");
await popup.ShowAsync();
}
}
public async Task <bool> InitializeConnection()
{
var result = false;
var filter = SerialDevice.GetDeviceSelector("UART0");
var devices = await DeviceInformation.FindAllAsync(filter);
if (devices.Any())
{
var deviceId = devices.First().Id;
var serialDevice = await SerialDevice.FromIdAsync(deviceId);
if (serialDevice != null)
{
serialDevice.WriteTimeout = TimeSpan.FromMilliseconds(1000);
serialDevice.ReadTimeout = TimeSpan.FromMilliseconds(1000);
serialDevice.BaudRate = 9600;
serialDevice.StopBits = SerialStopBitCount.One;
serialDevice.DataBits = 8;
serialDevice.Parity = SerialParity.None;
serialDevice.Handshake = SerialHandshake.None;
_reader = new DataReader(serialDevice.InputStream)
{
InputStreamOptions = InputStreamOptions.Partial
};
_writer = new DataWriter(serialDevice.OutputStream);
result = true;
}
}
return(result);
}
//Copied from the below address to connect db 410c using uart1
//https://docs.microsoft.com/en-us/windows/iot-core/learn-about-hardware/pinmappings/pinmappingsdb
public async void Serial()
{
string aqs = SerialDevice.GetDeviceSelector("UART1"); /* Find the selector string for the serial device */
var dis = await DeviceInformation.FindAllAsync(aqs); /* Find the serial device with our selector string */
SerialDevice SerialPort = await SerialDevice.FromIdAsync(dis[0].Id); /* Create an serial device with our selected device */
/* Configure serial settings */
SerialPort.WriteTimeout = TimeSpan.FromMilliseconds(1000);
SerialPort.ReadTimeout = TimeSpan.FromMilliseconds(1000);
SerialPort.BaudRate = 9600;
SerialPort.Parity = SerialParity.None;
SerialPort.StopBits = SerialStopBitCount.One;
SerialPort.DataBits = 8;
/* Write a string out over serial */
string txBuffer = "Hello Serial";
DataWriter dataWriter = new DataWriter();
dataWriter.WriteString(txBuffer);
uint bytesWritten = await SerialPort.OutputStream.WriteAsync(dataWriter.DetachBuffer());
/* Read data in from the serial port */
const uint maxReadLength = 1024;
DataReader dataReader = new DataReader(SerialPort.InputStream);
uint bytesToRead = await dataReader.LoadAsync(maxReadLength);
string rxBuffer = dataReader.ReadString(bytesToRead);
}
/// <summary>Finds the device and connects to it</summary>
private static async Task <SerialDevice> GetDevice()
{
if (Device == null)
{
//It should be the only device that contains "USB"
var devices = await DeviceInformation.FindAllAsync(SerialDevice.GetDeviceSelector());
var deviceId = devices.FirstOrDefault(x => x.Id.Contains("USB"))?.Id;
if (deviceId == null)
{
Connected = false;
return(null);
}
Device = await SerialDevice.FromIdAsync(deviceId);
if (Device == null)
{
Connected = false;
return(null);
}
Device.BaudRate = 115200;
Device.StopBits = SerialStopBitCount.One;
Device.Parity = SerialParity.None;
Device.DataBits = 8;
Device.Handshake = SerialHandshake.None;
Device.ReadTimeout = TimeSpan.FromMilliseconds(Timeout);
Device.WriteTimeout = TimeSpan.FromMilliseconds(Timeout);
}
Connected = true;
return(Device);
}
public async Task Initialize()
{
if (Disposed)
{
throw new ObjectDisposedException(this.ToString());
}
Device = await SerialDevice.FromIdAsync(DeviceID);
if (Device == null)
{
throw new Exception();
}
Device.StopBits = SerialStopBitCount.Two;
Device.Parity = SerialParity.None;
Device.DataBits = 8;
Device.BaudRate = 9600;
Device.ReadTimeout = TimeSpan.FromSeconds(1);
Device.WriteTimeout = TimeSpan.FromSeconds(1);
OutputWriter = new DataWriter(Device.OutputStream)
{
ByteOrder = ByteOrder.LittleEndian
};
InputReader = new DataReader(Device.InputStream)
{
ByteOrder = ByteOrder.LittleEndian
};
}
public async void Open(string portID, uint baudRate, ushort databits, SerialParity parity, SerialStopBitCount stopBits)
{
//Ensure port isn't already opened:
if (!sp.IsDataTerminalReadyEnabled)
{
modbusStatus = portID + " already opened";
return(false);
}
try {
sp = await SerialDevice.FromIdAsync(portID);
//Assign desired settings to the serial port:
sp.BaudRate = baudRate;
sp.DataBits = databits;
sp.Parity = parity;
sp.StopBits = stopBits;
//These timeouts are default and cannot be editted through the class at this point:
sp.ReadTimeout = TimeSpan.FromMilliseconds(1000);
sp.WriteTimeout = TimeSpan.FromMilliseconds(1000);
}
catch (Exception err)
{
modbusStatus = "Error opening " + portID + ": " + err.Message;
return(false);
}
modbusStatus = portID + " opened successfully";
return(true);
}