Differences

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--- morsecode [2026/05/05 14:27] – frchris
+++ morsecode [2026/05/05 14:40] (current) – frchris
@@ Line 3: / Line 3: @@
 ==== ToneTester ====
 This demonstrates how to generate a morse code tone. The timing is all based on the length of the "dit"
+ToneTester demonstrates how to use the javax sound
+ library to generate a morse code "CQ CQ"
+ which is what a HAM radio operator will
+ call to seek out a conversation from
+ anyone who might be able to be listening
 <code java ToneTester.java>
 import javax.sound.sampled.AudioFormat;
 import javax.sound.sampled.AudioSystem;
 import javax.sound.sampled.SourceDataLine;
 public class ToneTester {
 	/**
-	 * @param args
+	 * ToneTester demonstrates how to use the javax sound
-	 * @throws Exception
+	 * library to generate a morse code "CQ CQ"
+	 * which is what a HAM radio operator will
+	 * call to seek out a conversation from
+	 * anyone who might be able to be listening
+	 *
+	 * @author Chris Thiel, ofmCap
+	 * @version May 5, 2026
 	 */
@@ Line 36: / Line 46: @@
 		int[] c = {dah, di, dah, dit};
 		int[] q = {dah, dah, di, dah};
+		int[][] cq = {c,q};
 		for (int i = 0; i < 2; i++) {
-			play(c);
+			playWord(cq);
-			play(q);
 		}
@@ Line 79: / Line 89: @@
 			{
 				double angle = i / (frequency / hz1)* tau;
 				buf[0] = (byte) (Math.sin(angle) * volume);
 				sdl.write(buf, 0, 1);
 			}