本文整理汇总了C#中System.IO.Ports.SerialPort.Close方法的典型用法代码示例。如果您正苦于以下问题：C# SerialPort.Close方法的具体用法？C# SerialPort.Close怎么用？C# SerialPort.Close使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.Ports.SerialPort的用法示例。
在下文中一共展示了SerialPort.Close方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: IsPVC
bool IsPVC(SerialPort port)
{
string returnMessage = "";
try {
if (port.IsOpen)
port.Close ();
port.Open ();
Thread.Sleep (1500); // Fails if this delay is any shorter
port.Write ("#");
port.Write (port.NewLine);
Thread.Sleep (500); // Fails if this delay is any shorter
int count = port.BytesToRead;
int intReturnASCII = 0;
while (count > 0) {
intReturnASCII = port.ReadByte ();
returnMessage = returnMessage + Convert.ToChar (intReturnASCII);
count--;
}
} catch {
} finally {
port.Close ();
}
if (returnMessage.Contains (Identifier)) {
return true;
} else {
return false;
}
}示例2: QueryDevice
internal static void QueryDevice(string port)
{
try
{
tP = new SerialPort(port, 115200, Parity.None, 8, StopBits.One);
tP.DataReceived += new SerialDataReceivedEventHandler(tP_DataReceived);
tP.ErrorReceived += new SerialErrorReceivedEventHandler(tP_ErrorReceived);
tP.Handshake = Handshake.RequestToSend;
tP.DtrEnable = true;
tP.RtsEnable = true;
tP.NewLine = Environment.NewLine;
tP.ReadTimeout = 2000;
tP.WriteTimeout = 2000;
tP.Open();
Thread.Sleep(200);
tP.Write("AT+GMM" + (char)13);
Thread.Sleep(500);
tP.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
if (tP.IsOpen)
tP.Close();
}
}示例3: SearchPort
public static AsyncSerial SearchPort(string write, char search, int baud=9600)
{
foreach (string port in SerialPort.GetPortNames())
{
SerialPort temp;
try
{
temp = new SerialPort(port, baud);
try
{
temp.Open();
temp.ReadTimeout = 2500;
temp.Write(write);
var v = temp.ReadChar();
MainForm.Instance.logControl.Add(v.ToString(), LogEntryType.Error);
if (v == search)
{
temp.Close();
return new AsyncSerial(port);
}
}
catch (Exception ex)
{}
finally
{
temp.Close();
}
}
catch (Exception ex)
{}
}
throw new Exception("Port not found.");
}示例4: HamegOsziAdapter
public HamegOsziAdapter(string port, int baudrate)
{
try{
log.Info("Try to connecto to measurment device on port " + port + " with baud rate " + baudrate.ToString());
dataPort = new SerialPort(port, baudrate);
dataPort.Open();
if(!dataPort.IsOpen)
{
log.Error("Could not open comport on " + port + " with baudrate " + baudrate);
dataPort.Close();
return;
}
dataPort.WriteLine("*IDN?");
System.DateTime start = DateTime.Now;
while(dataPort.BytesToRead == 0)
{
if((DateTime.Now - start).TotalMilliseconds > 1000)
{
log.Error("No device response to *IDN? within 1s!");
dataPort.Close();
return;
}
}
deviceInfo = dataPort.ReadExisting();
log.Info("Connected to device " + deviceInfo);
}
catch(Exception ex)
{
log.Error(ex);
}
}示例5: Identify
public string Identify(SerialPort port)
{
string returnMessage = "";
try {
if (port.IsOpen)
port.Close ();
port.Open ();
Thread.Sleep (1500); // Fails sometimes if this delay is any shorter
port.Write (IdentifyRequest);
port.Write (port.NewLine);
Thread.Sleep (500); // Fails sometimes if this delay is any shorter
int count = port.BytesToRead;
int intReturnASCII = 0;
while (count > 0) {
intReturnASCII = port.ReadByte ();
returnMessage = returnMessage + Convert.ToChar (intReturnASCII);
count--;
}
} catch {
} finally {
port.Close ();
}
return returnMessage.Trim();
}示例6: OpenCash
public void OpenCash()
{
SerialPort port = new SerialPort("COM4", 9600, Parity.None, 8, StopBits.One);
try
{
port.Open();
port.WriteLine("0000000000");
port.Close();
}
catch (Exception)
{
port.Close();
}
}示例7: btnCashDrawer_Click
private void btnCashDrawer_Click(object sender, EventArgs e)
{
SerialPort port = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One);
try
{
port.Open();
port.WriteLine("0000000000");
port.Close();
}
catch (Exception)
{
port.Close();
}
}示例8: GetTemperature
public XmlElement GetTemperature(string port, string baudRate)
{
try
{
_serialPort = new SerialPort(port);
_serialPort.BaudRate = Convert.ToInt32(baudRate);
_serialPort.Parity = Parity.None;
_serialPort.StopBits = StopBits.One;
_serialPort.DataBits = 8;
_serialPort.Handshake = Handshake.None;
_serialPort.RtsEnable = true;
_serialPort.ReadTimeout = 1000;
if (_serialPort.IsOpen)
{
_serialPort.Close();
_serialPort.Open();
}
else
{
_serialPort.Open();
}
Thread.Sleep(1000);
count = _serialPort.BytesToRead;
if (count < 1)
{
throw new Exception("No Data to Read..."+count);
}
else
{
while (count > 0)
{
int byteData = _serialPort.ReadByte();
data = data + Convert.ToChar(byteData);
count--;
}
}
_serialPort.DiscardOutBuffer();
_serialPort.Close();
_result = GetXML(data.Trim());
}
catch (Exception ex)
{
if (_serialPort.IsOpen)
_serialPort.Close();
_result = GetExceptionXML(ex.ToString());
}
return _result;
}示例9: Main
static void Main(string[] args)
{
// initialize the sensor port, mine was registered as COM8, you may check yours
// through the hardware devices from control panel
SerialPort sensor = new SerialPort("COM4", 9600, Parity.None, 8, StopBits.One);
int bytesToRead = 0;
string message;
sensor.Open();
try
{
while (true)
{
// check if there are bytes incoming
bytesToRead = sensor.BytesToRead;
if (bytesToRead > 0)
{
byte[] input = new byte[bytesToRead];
// read the Xbee's input
sensor.Read(input, 0, bytesToRead);
// convert the bytes into string
message = System.Text.Encoding.UTF8.GetString(input);
Console.WriteLine(message);
}
}
}
finally
{
// again always close the serial ports!
sensor.Close();
}
}示例10: GetComPorts
/// <summary>
/// Gets the available com ports from the system.
/// </summary>
/// <returns></returns>
public List<string> GetComPorts()
{
List<string> validPorts = new List<string>();
// Get a list of serial port names.
string[] ports = SerialPort.GetPortNames();
//Console.WriteLine("The following serial ports were found:");
// Display each port name to the console.
foreach (string port in ports)
{
try
{
SerialPort testPort = new SerialPort(port);
testPort.Open();
testPort.Close();
validPorts.Add(port);
}
catch (Exception)
{
}
}
return validPorts;
}示例11: SerialPortConfig
public SerialPortConfig(SerialPort serialPort, bool allowPortEdit = true, bool allowBaudEdit = true, bool allowParityEdit = true, bool allowDataEdit = true, bool allowStopEdit = true)
{
InitializeComponent();
//lets try and open the serial port if it can't be opened then it
//must be in use so label it as in use
foreach (string s in SerialPort.GetPortNames())
{
try
{
using (SerialPort checkPort = new SerialPort(s))
{
checkPort.Open();
checkPort.Close();
}
comboBoxPortName.Items.Add(s);
}
//catch the exception in case we want to use it
//or log it.
catch (UnauthorizedAccessException uae)
{
comboBoxPortName.Items.Add(s + " (IN USE)");
continue;
}
}
comboBoxPortName.Enabled = allowPortEdit;
comboBoxBaudRate.Enabled = allowBaudEdit;
comboBoxParity.Enabled = allowParityEdit;
textBoxDataBits.Enabled = allowDataEdit;
comboBoxStopBits.Enabled = allowStopEdit;
comboBoxParity.Items.AddRange(Enum.GetValues(typeof(Parity)).Cast<object>().ToArray());
comboBoxStopBits.Items.AddRange(Enum.GetValues(typeof(StopBits)).Cast<object>().ToArray());
//set our text value
if (serialPort != null)
{
configuredPortValueLabel.Text = serialPort.PortName;
}
else
{
configuredPortValueLabel.Text = "None";
}
if (serialPort == null && SerialPort.GetPortNames().Count() > 0)
{
serialPort = new SerialPort(SerialPort.GetPortNames().FirstOrDefault(), 57600, Parity.None, 8, StopBits.One);
}
SelectedPort = serialPort;
//set our first item in the combobox if we have one
if (comboBoxPortName.Items.Count > 0)
{
comboBoxPortName.SelectedIndex = 0;
}
}示例12: Main
static void Main(string[] args)
{
System.IO.Ports.SerialPort wixel = new System.IO.Ports.SerialPort("COM20", 57600);
wixel.Open();
wixel.Write("hello");
wixel.Close();
}示例13: Main
static void Main(string[] args)
{
int i = 0;
SerialPort SP = null;
Console.WriteLine("Specify which comport you want to connect to:");
foreach (string s in SerialPort.GetPortNames())
{
Console.WriteLine($"{i++,2} {s}");
}
int PortNo = int.Parse(Console.ReadLine());
try
{
SP = new SerialPort(SerialPort.GetPortNames()[PortNo]);
SP.Open();
while(true)
{
Console.Write(SP.ReadExisting());
}
}
finally
{
if (SP.IsOpen)
{
SP.Close();
}
}
Console.Read();
}示例14: buttonSend_Click
private void buttonSend_Click(object sender, EventArgs e)
{
string number = textBoxNumber.Text;
string message = textBoxMessage.Text;
_serialPort = new SerialPort("COM7", 115200); //Replace "COM7" with corresponding port name
Thread.Sleep(1000);
_serialPort.Open();
Thread.Sleep(1000);
_serialPort.Write("AT+CMGF=1\r");
Thread.Sleep(1000);
_serialPort.Write("AT+CMGS=\"" + number + "\"\r\n");
Thread.Sleep(1000);
_serialPort.Write(message + "\x1A");
Thread.Sleep(1000);
labelStatus.Text = "Status: Message sent";
_serialPort.Close();
}示例15: Main
static void Main(string[] args)
{
if (args.Length != 2)
{
Console.WriteLine("Usage: SerialReceiver [port] [baudrate]");
Environment.Exit(0);
}
// Initialization
serial = new SerialPort(args[0], Convert.ToInt32(args[1]));
Thread readThread = new Thread(Read);
serial.ReadTimeout = 500;
serial.WriteTimeout = 500;
serial.Open();
running = true;
readThread.Start();
Console.WriteLine("Type QUIT to exit");
// Allow users to quit the application nicely
while (running) {
String message = Console.ReadLine();
if (stringComparer.Equals("quit", message))
running = false;
}
// Clean up
readThread.Join();
serial.Close();
}