boost::asio::serial_port串口编程

// boostSerialPort.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>
#include <boost/asio.hpp>

using namespace std;
//using namespace boost::asio;

int _tmain(int argc, _TCHAR* argv[])
{
	try
	{
		boost::asio::io_service io;
		boost::asio::serial_port sp(io,"COM2");

		//设置串口参数
		sp.set_option(boost::asio::serial_port::baud_rate(9600));
		sp.set_option(boost::asio::serial_port::flow_control());
		sp.set_option(boost::asio::serial_port::parity());
		sp.set_option(boost::asio::serial_port::stop_bits());
		sp.set_option(boost::asio::serial_port::character_size(8));

		boost::system::error_code err;
		while(true)
		{
			char buf[]="hello";
			int nWrite = sp.write_some(boost::asio::buffer(buf),err);
			if(err)
			{
				cout<<"write_some err,errmessage:"<<err.message()<<endl;
				break;
			}
			else
			{
				char buf[1024];
				sp.read_some(boost::asio::buffer(buf),err);
				if(!err)
				{
					cout<<"recv data:"<<buf<<endl;
				}
			}
		}
		io.run();

	}
	catch (exception& err)
	{
		cout << "Exception Error: " << err.what() << endl;
	}
	
	return 0;
}