the_ledtester_class
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| the_ledtester_class [2018/08/11 00:37] – frchris | the_ledtester_class [2018/08/11 01:10] (current) – frchris | ||
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| Line 10: | Line 10: | ||
| public class LEDTester | public class LEDTester | ||
| { | { | ||
| - | 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 ("" |
| s = args[0]; | s = args[0]; | ||
| - | | + | |
| lt.flashMorse(s); | lt.flashMorse(s); | ||
| lt.finalize(); | lt.finalize(); | ||
| } | } | ||
| | | ||
| + | /* | ||
| + | * create a new LED instance | ||
| + | */ | ||
| + | public LEDTester() { | ||
| + | this(new LED()); | ||
| + | } | ||
| + | | ||
| + | /* | ||
| + | * Creates a LED instance based on a LED object | ||
| + | */ | ||
| + | public LEDTester(LED p) { | ||
| + | pin1 = p; | ||
| + | } | ||
| + | | ||
| + | /* | ||
| + | * Flashes the LED 10 times | ||
| + | */ | ||
| + | public void flash10Times() { | ||
| + | | ||
| + | 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 == '/' | ||
| + | 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(); | ||
| - | } | + | } |
| } | } | ||
| </ | </ | ||
the_ledtester_class.txt · Last modified: 2018/08/11 01:10 by frchris