Введение. Описание программы. Исходный текст программы

Введение

Описание программы

В этой курсов я создал программу которая позволяет общаться людом посредством компьютеров, соединённых по COM порту. Для проверки работоспособности приложения использовал эмулятор последовательного порта COM – com0com.

Ниже приведен скриншот работающего приложения:

Рисунок 1 – Работающее приложение

Исходный текст программы

using System;

using System. IO. Ports;

using System. Threading;

public class PortChat

{

static bool _continue;

static SerialPort _serialPort;

public static void Main()

{

string name;

string message;

StringComparer stringComparer = StringComparer. OrdinalIgnoreCase;

Thread readThread = new Thread(Read);

// Create a new SerialPort object with default settings.

_serialPort = new SerialPort();

// Allow the user to set the appropriate properties.

_serialPort. PortName = SetPortName(_serialPort. PortName);

_serialPort. BaudRate = SetPortBaudRate(_serialPort. BaudRate);

_serialPort. Parity = SetPortParity(_serialPort. Parity);

_serialPort. DataBits = SetPortDataBits(_serialPort. DataBits);

_serialPort. StopBits = SetPortStopBits(_serialPort. StopBits);

_serialPort. Handshake = SetPortHandshake(_serialPort. Handshake);

// Set the read/write timeouts

_serialPort. ReadTimeout = 500;

_serialPort. WriteTimeout = 500;

_serialPort. Open();

_continue = true;

readThread. Start();

Console. Write(" Name: " );

name = Console. ReadLine();

Console. WriteLine(" Type QUIT to exit" );

while (_continue)

{

message = Console. ReadLine();

if (stringComparer. Equals(" quit", message))

{

_continue = false;

}

else

{

_serialPort. WriteLine(

String. Format(" < {0}>: {1}", name, message));

}

readThread. Join();

_serialPort. Close();

}

public static void Read()

{

while (_continue)

{

try

{

string message = _serialPort. ReadLine();

Console. WriteLine(message);

}

catch (TimeoutException) { }

}

public static string SetPortName(string defaultPortName)

{

string portName;

Console. WriteLine(" Available Ports: " );

foreach (string s in SerialPort. GetPortNames())

{

Console. WriteLine(" {0}", s);

}

Console. Write(" COM port({0}): ", defaultPortName);

portName = Console. ReadLine();

if (portName == " " )

{

portName = defaultPortName;

}

return portName;

}

public static int SetPortBaudRate(int defaultPortBaudRate)

{

string baudRate;

Console. Write(" Baud Rate({0}): ", defaultPortBaudRate);

baudRate = Console. ReadLine();

if (baudRate == " " )

{

baudRate = defaultPortBaudRate. ToString();

}

return int. Parse(baudRate);

}

public static Parity SetPortParity(Parity defaultPortParity)

{

string parity;

Console. WriteLine(" Available Parity options: " );

foreach (string s in Enum. GetNames(typeof(Parity)))

{

Console. WriteLine(" {0}", s);

}

Console. Write(" Parity({0}): ", defaultPortParity. ToString());

parity = Console. ReadLine();

if (parity == " " )

{

parity = defaultPortParity. ToString();

}

return (Parity)Enum. Parse(typeof(Parity), parity);

}

public static int SetPortDataBits(int defaultPortDataBits)

{

string dataBits;

Console. Write(" Data Bits({0}): ", defaultPortDataBits);

dataBits = Console. ReadLine();

if (dataBits == " " )

{

dataBits = defaultPortDataBits. ToString();

}

return int. Parse(dataBits);

}

public static StopBits SetPortStopBits(StopBits defaultPortStopBits)

{

string stopBits;

Console. WriteLine(" Available Stop Bits options: " );

foreach (string s in Enum. GetNames(typeof(StopBits)))

{

Console. WriteLine(" {0}", s);

}

Console. Write(" Stop Bits({0}): ", defaultPortStopBits. ToString());

stopBits = Console. ReadLine();

if (stopBits == " " )

{

stopBits = defaultPortStopBits. ToString();

}

return (StopBits)Enum. Parse(typeof(StopBits), stopBits);

}

public static Handshake SetPortHandshake(Handshake defaultPortHandshake)

{

string handshake;

Console. WriteLine(" Available Handshake options: " );

foreach (string s in Enum. GetNames(typeof(Handshake)))

{

Console. WriteLine(" {0}", s);

}

Console. Write(" Handshake({0}): ", defaultPortHandshake. ToString());

handshake = Console. ReadLine();

if (handshake == " " )

{

handshake = defaultPortHandshake. ToString();

}

return (Handshake)Enum. Parse(typeof(Handshake), handshake);

}