#include <termio.h>
#include <stdio.h>
#include "Hardwarelistener.h"
#include <iostream>
using namespace std;
int scanKeyboard()
{
 
	int in;
 
	struct termios new_settings;
	struct termios stored_settings;
    //设置终端参数
	tcgetattr(0,&stored_settings);
	new_settings = stored_settings;
	new_settings.c_lflag &= (~ICANON);
	new_settings.c_cc[VTIME] = 0;
	tcgetattr(0,&stored_settings);
	new_settings.c_cc[VMIN] = 1;
	tcsetattr(0,TCSANOW,&new_settings);
	in = getchar();
	tcsetattr(0,TCSANOW,&stored_settings);
 
	return in;
 
}
 
//测试函数
int listenkeyboard(){
 	while(1){
		switch(scanKeyboard())
		{
			case (int)'w':
				cout << "forward"<< endl;
				break;
			case (int)'s':
				cout << "back" << endl;
				break;
			case (int)'a':
				cout << "left" <<endl;
				break;
			case (int)'d':
				cout << "right"<<endl;
				break;
		}
 	}
 	return 0;

//	while(1){
//		printf("%d\n",scanKeyboard());
//	}
}