1using System;
2using System.IO.Ports;
3using System.Runtime.InteropServices;
4
5namespace ardujoy
6{
7	class Program
8	{
9		[DllImport("user32.dll")]
10		private static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, int dwExtraInfo);
11		
12		const uint KEYEVENTF_KEYUP = 0x0002;
13		
14		public static void Main(string[] args)
15		{
16			string line;
17			string JOY_BUTTON="1";
18			string JOY_UP="1";
19			string JOY_DOWN="1";
20			string JOY_LEFT="1";
21			string JOY_RIGHT="1";
22			
23			string PREV_BUTTON="1";
24			string PREV_UP="1";
25			string PREV_DOWN="1";
26			string PREV_LEFT="1";
27			string PREV_RIGHT="1";
28			
29			char KEY_BUTTON='Q';
30			char KEY_UP='W';
31			char KEY_DOWN='S';
32			char KEY_LEFT='A';
33			char KEY_RIGHT='D';
34			
35			if (args.Length == 1) {
36				var port = new SerialPort(args[0],115200, Parity.None, 8, StopBits.One);
37				
38				port.Open();
39				port.DiscardOutBuffer();
40				port.DiscardInBuffer();
41				while (port.IsOpen) {
42					line = port.ReadLine();
43//					Console.WriteLine(line);
44					if (line.Length == 5) {
45						JOY_BUTTON=line.Substring(0,1);
46						JOY_UP=line.Substring(4,1);
47						JOY_DOWN=line.Substring(3,1);
48						JOY_LEFT=line.Substring(2,1);
49						JOY_RIGHT=line.Substring(1,1);
50						
51						if (JOY_BUTTON != PREV_BUTTON) {
52							PREV_BUTTON=JOY_BUTTON;
53							if (JOY_BUTTON == "0") {
54								keybd_event(Convert.ToByte(KEY_BUTTON), 0, 0, 0);
55							} else {
56								keybd_event(Convert.ToByte(KEY_BUTTON), 0, KEYEVENTF_KEYUP, 0);
57							}
58						}
59						if (JOY_UP != PREV_UP) {
60							PREV_UP=JOY_UP;
61							if (JOY_UP == "0") {
62								keybd_event(Convert.ToByte(KEY_UP), 0, 0, 0);
63							} else {
64								keybd_event(Convert.ToByte(KEY_UP), 0, KEYEVENTF_KEYUP, 0);
65							}
66						}
67						if (JOY_DOWN != PREV_DOWN) {
68							PREV_DOWN=JOY_DOWN;
69							if (JOY_DOWN == "0") {
70								keybd_event(Convert.ToByte(KEY_DOWN), 0, 0, 0);
71							} else {
72								keybd_event(Convert.ToByte(KEY_DOWN), 0, KEYEVENTF_KEYUP, 0);
73							}
74						}
75						if (JOY_LEFT != PREV_LEFT) {
76							PREV_LEFT=JOY_LEFT;
77							if (JOY_LEFT == "0") {
78								keybd_event(Convert.ToByte(KEY_LEFT), 0, 0, 0);
79							} else {
80								keybd_event(Convert.ToByte(KEY_LEFT), 0, KEYEVENTF_KEYUP, 0);
81							}
82						}
83						if (JOY_RIGHT != PREV_RIGHT) {
84							PREV_RIGHT=JOY_RIGHT;
85							if (JOY_RIGHT == "0") {
86								keybd_event(Convert.ToByte(KEY_RIGHT), 0, 0, 0);
87							} else {
88								keybd_event(Convert.ToByte(KEY_RIGHT), 0, KEYEVENTF_KEYUP, 0);
89							}
90						}
91					}
92				}
93			} else Console.WriteLine("You must provide the name of the serial port to use.");
94		}
95	}
96}