From 0ab01b19e6580d34cfa4807b430d108e1a72397e Mon Sep 17 00:00:00 2001
From: Alex Volkmann <alex@devpool.net>
Date: Fri, 22 Feb 2019 15:55:43 +0100
Subject: [PATCH] Update of Application

---
 src/pdu_jctrl/gpio_java.java | 154 +++++++++++++++++++++++++++++++++--
 1 file changed, 149 insertions(+), 5 deletions(-)

diff --git a/src/pdu_jctrl/gpio_java.java b/src/pdu_jctrl/gpio_java.java
index e7b4170..f62272d 100644
--- a/src/pdu_jctrl/gpio_java.java
+++ b/src/pdu_jctrl/gpio_java.java
@@ -1,15 +1,38 @@
-package pdu_jctrl;
+ //package pdu_jctrl;
 
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.concurrent.TimeUnit;
 
 public class gpio_java 
 {
+	public static String rel_map [][] = {
+										{"rel1","14"}, 
+										{"rel2","15"},
+										{"rel3","18"},
+										{"rel4","23"},
+										{"rel5","24"},
+										{"rel6","25"},
+										{"rel7","8"},
+										{"rel8","7"}
+										};	
+	public static String [] action = {"on", "off", "status"};
 
 	public static void main (String [] args) 
 	{
-		System.out.println("Hello World");
+		// Zum checken der Anzahl der Argumente
+		checkargs(args);
 		
+		// todo: initialisiere alle acht ports (outputs)
+		init_gpio();
+		
+		// setze gpio (gemaes der parameter)
+		gpio_getport(args[0]);
+		
+		
+		gpio_cmdhandler(args[0], args[1]);
+		
+		/*
 		setgpio(true);
 		
 		try {
@@ -18,16 +41,134 @@ public class gpio_java
 		catch(InterruptedException e) 
 		{
 			System.out.println("sleep error InterruptedException ocure");	
-		}	
+		}
 		
 		setgpio(false);
+        */
+	}
+	
+	public static void checkargs(String[] argumens)
+	{
+		int laenge = argumens.length;
+		String [] h = {"-h"};
+		int idx;
+		boolean parameter1 = false;
+		boolean parameter2 = false;
+
+		
+		if (laenge == 2)
+		{
+			//ToDO: Pruefe erstes und zweites Argument
+			//Erstes Element(rel)
+			for (idx = 0; idx<8 ; idx++)
+			{
+				if (argumens[0].equals(rel_map[idx][0]))
+				{
+					parameter1 = true;
+					break;
+				}
+			}
+			//Zweites Element (action)
+			for (idx = 0; idx<3 ; idx++)
+			{
+				if (argumens[1].equals(action[idx]))
+				{
+					parameter2 = true;
+					break;
+				}
+			}
+			
+		}
+		else if (Arrays.equals (argumens, h) == true)
+		{
+			
+			show_usage();
+			
+			System.exit(0);
+		}
+		else
+		{
+			System.out.println("Error. If you need help, type the command -h");
+			
+			System.exit(0);
+		}
+		//ToDo: Return
+
+	}
+	
+	public static void init_gpio()
+	{
+		int idx;
+		String port;
+		String cmd;
+		
+		for(idx = 0; idx<8 ; idx++)
+		{
+			port = rel_map[idx][1];
+			cmd = "/usr/bin/gpio -g mode " + port + " out";
+			launchcmd(cmd);
+			
+		}
+		return;
+	}
+	
+	public static int gpio_getport(String port)
+	{	
+		int idx;
+		
+		for(idx = 0; idx<8 ; idx++)
+		{
+			if(port.equals(rel_map[idx][0]))
+			{
+				return idx;
+			}
+		}
+		
+		return -1;
+	}
+	
+	public static int gpio_cmdhandler(String port, String cmd)
+	{
+		int idx_port;
+		
+		idx_port = gpio_getport(port);
+
+		
+		if (cmd.equals(action [0]))
+		{
+			//Schalte on
+			cmd = "/usr/bin/gpio -g write " + rel_map[idx_port][1] + " 1";
+			launchcmd(cmd);
+			
+		}
+		if (cmd.equals(action [1]))
+		{
+			//Schalte off
+			cmd = "/usr/bin/gpio -g write " + rel_map[idx_port][1] + " 0";
+			launchcmd(cmd);
+		}
+		/*if (cmd.equals(action [2]))
+		{
+			//Stats geben
+			cmd = "/usr/bin/gpio -g write " + port + status();
+			launchcmd(cmd);
+		}*/
+		return -1;
+	}
+	
+	public static void show_usage()
+	{
+		System.out.println("You have to enter exactly 2 arguments.");
+		System.out.println("Example: java gpio_java Argument1 Argument2");
+		System.out.println("Argument1: rel1, rel2, rel3, ..., rel8");
+		System.out.println("Argument2: on,off or status");
 	}
 	
 	public static void launchcmd(String cmd) 
 	{
 		// Wenn Simulation True ist kann sie auf dem PC ausfuehren
 		// wenn die Simulation false is auf dem Raspberry PI
-		boolean simulation = true;
+		boolean simulation = false;
 		
 		if(simulation==true){
 			System.out.println(cmd);	
@@ -57,4 +198,7 @@ public class gpio_java
 			launchcmd("/usr/bin/gpio -g write 14 0");
 		}
 	}
-}
\ No newline at end of file
+	
+	
+}
+