VS2012 串口编程
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见:http://msdn.microsoft.com/en-us/library/system.io.ports.serialport(v=vs.90).aspx
Namespace: System.IO.Ports
Assembly: System (in System.dll)
#using <System.dll>using namespace System;using namespace System::IO::Ports;using namespace System::Threading;public ref class PortChat{private: static bool _continue; static SerialPort^ _serialPort;public: static void Main() { String^ name; String^ message; StringComparer^ stringComparer = StringComparer::OrdinalIgnoreCase; Thread^ readThread = gcnew Thread(gcnew ThreadStart(PortChat::Read)); // Create a new SerialPort object with default settings. _serialPort = gcnew 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(); } static void Read() { while (_continue) { try { String^ message = _serialPort->ReadLine(); Console::WriteLine(message); } catch (TimeoutException ^) { } } } static String^ SetPortName(String^ defaultPortName) { String^ portName; Console::WriteLine("Available Ports:"); for each (String^ s in SerialPort::GetPortNames()) { Console::WriteLine(" {0}", s); } Console::Write("COM port({0}): ", defaultPortName); portName = Console::ReadLine(); if (portName == "") { portName = defaultPortName; } return portName; } static Int32 SetPortBaudRate(Int32 defaultPortBaudRate) { String^ baudRate; Console::Write("Baud Rate({0}): ", defaultPortBaudRate); baudRate = Console::ReadLine(); if (baudRate == "") { baudRate = defaultPortBaudRate.ToString(); } return Int32::Parse(baudRate); } static Parity SetPortParity(Parity defaultPortParity) { String^ parity; Console::WriteLine("Available Parity options:"); for each (String^ s in Enum::GetNames(Parity::typeid)) { Console::WriteLine(" {0}", s); } Console::Write("Parity({0}):", defaultPortParity.ToString()); parity = Console::ReadLine(); if (parity == "") { parity = defaultPortParity.ToString(); } return (Parity)Enum::Parse(Parity::typeid, parity); } static Int32 SetPortDataBits(Int32 defaultPortDataBits) { String^ dataBits; Console::Write("Data Bits({0}): ", defaultPortDataBits); dataBits = Console::ReadLine(); if (dataBits == "") { dataBits = defaultPortDataBits.ToString(); } return Int32::Parse(dataBits); } static StopBits SetPortStopBits(StopBits defaultPortStopBits) { String^ stopBits; Console::WriteLine("Available Stop Bits options:"); for each (String^ s in Enum::GetNames(StopBits::typeid)) { Console::WriteLine(" {0}", s); } Console::Write("Stop Bits({0}):", defaultPortStopBits.ToString()); stopBits = Console::ReadLine(); if (stopBits == "") { stopBits = defaultPortStopBits.ToString(); } return (StopBits)Enum::Parse(StopBits::typeid, stopBits); } static Handshake SetPortHandshake(Handshake defaultPortHandshake) { String^ handshake; Console::WriteLine("Available Handshake options:"); for each (String^ s in Enum::GetNames(Handshake::typeid)) { Console::WriteLine(" {0}", s); } Console::Write("Handshake({0}):", defaultPortHandshake.ToString()); handshake = Console::ReadLine(); if (handshake == "") { handshake = defaultPortHandshake.ToString(); } return (Handshake)Enum::Parse(Handshake::typeid, handshake); }};int main(){ PortChat::Main();}
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