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the_ledtester_class [2018/08/11 00:41] frchristhe_ledtester_class [2018/08/11 01:09] frchris
Line 10: Line 10:
 public class LEDTester public class LEDTester
 { {
-     public LED pin1;+    public LED pin1;
          
     //unit of time, in milliseconds     //unit of time, in milliseconds
Line 19: Line 19:
                  
         String s = "SOS SOS SOS";         String s = "SOS SOS SOS";
-        // +//        if ( args.length > 0 && args[0] != null && !args[0].equals ("") )  
-        if (args.length > 0 && args[0] != null && !args[0].equals("") )+          if ( args.length > 0 && args[0] != null && !args[0].equals ("") )
             s = args[0];             s = args[0];
-    +        
         lt.flashMorse(s);         lt.flashMorse(s);
         lt.finalize();         lt.finalize();
     }     }
 +    
     /*     /*
      * create a new LED instance      * create a new LED instance
Line 41: Line 42:
          
     /*     /*
-     create a new LED instance+     Flashes the LED 10 times
      */      */
-    public LEDTester() { +    public void flash10Times() { 
-        this(new LED());+         
 +        for(int i = 0; i < 10; i++) { 
 +            pin1.flash(200); 
 +            try { Thread.sleep (200); } catch (InterruptedException e) {} 
 +        } 
 +    } 
 +     
 +     
 +    /* 
 +     * Sends the morse code using the LED
 +     */ 
 +    public void flashMorse(String msg
 +                
 +        char [] morse = StringToMorse.translate(msg).toCharArray(); 
 +         
 +        // . = 1, - = 3, intra-char = 1, inter-char = 3, space = 7.", 
 +         
 +        for (char atom : morse) { 
 +                if (atom == '.') { 
 +                    pin1.flash(UNIT); 
 +                } else if (atom == '-') { 
 +                    pin1.flash(3*UNIT); 
 +                } else if (atom == '/') {   // inter-symbol gap 
 +                    sleep (1);   // plus one leading and one trailing == 3 
 +                } else { 
 +                    // must be a space 
 +                    sleep (5);   // plus one leading and one trailing == 7 
 +                } 
 +                sleep (1);   // common gap 
 +        } 
 +    } 
 +    /* 
 +     * Wait units times the defined unit of time 
 +     */ 
 +    private void sleep(int units) { 
 +        try {  
 +            Thread.sleep(units*UNIT);  
 +        } catch (InterruptedException e)  
 +        { 
 +        }
     }     }
     protected void finalize(){     protected void finalize(){
         pin1.finalize();         pin1.finalize();
-    }  +    }        
 } }
 </file> </file>
  
the_ledtester_class.txt · Last modified: 2018/08/11 01:10 by frchris

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