Added morse coder example

josejuansanchez · Sep 4, 2016 · 5cea43f · 5cea43f
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diff --git a/experimental/morse_code/MorseCodeAlphabet.h b/experimental/morse_code/MorseCodeAlphabet.h
@@ -0,0 +1,58 @@
+// Reference: https://gist.github.com/madc/4474559
+
+static const struct {
+  const char letter;
+  const char *code;
+} MorseCodeAlphabet[] =
+{
+  { 'A', ".-" },
+  { 'B', "-..." },
+  { 'C', "-.-." },
+  { 'D', "-.." },
+  { 'E', "." },
+  { 'F', "..-." },
+  { 'G', "--." },
+  { 'H', "...." },
+  { 'I', ".." },
+  { 'J', ".---" },
+  { 'K', ".-.-" },
+  { 'L', ".-.." },
+  { 'M', "--" },
+  { 'N', "-." },
+  { 'O', "---" },
+  { 'P', ".--." },
+  { 'Q', "--.-" },
+  { 'R', ".-." },
+  { 'S', "..." },
+  { 'T', "-" },
+  { 'U', "..-" },
+  { 'V', "...-" },
+  { 'W', ".--" },
+  { 'X', "-..-" },
+  { 'Y', "-.--" },
+  { 'Z', "--.." },
+  { ' ', "     " },
+
+  { '1', ".----" },
+  { '2', "..---" },
+  { '3', "...--" },
+  { '4', "....-" },
+  { '5', "....." },
+  { '6', "-...." },
+  { '7', "--..." },
+  { '8', "---.." },
+  { '9', "----." },
+  { '0', "-----" },
+
+  { '.', "·–·–·–" },
+  { ',', "--..--" },
+  { '?', "..--.." },
+  { '!', "-.-.--" },
+  { ':', "---..." },
+  { ';', "-.-.-." },
+  { '(', "-.--." },
+  { ')', "-.--.-" },
+  { '"', ".-..-." },
+  { '@', ".--.-." },
+  { '&', ".-..." },
+};
diff --git a/experimental/morse_code/morse_code.ino b/experimental/morse_code/morse_code.ino
@@ -0,0 +1,44 @@
+#include <NanoPlayBoard.h>
+#include "MorseCodeAlphabet.h"
+
+#define WPM         20
+#define DOT_LENGTH  1200 / WPM
+#define PITCH       550
+
+NanoPlayBoard board;
+
+void setup() {
+  Serial.begin(9600);
+}
+
+void loop() {
+  String message = " ... --- ... ";
+
+  for(int i = 0; i < message.length(); i++) {
+    switch(message[i]) {
+      case '.':
+        board.rgb.on();
+        board.buzzer.playTone(PITCH);
+        delay(DOT_LENGTH);
+        board.rgb.off();
+        board.buzzer.stopTone();
+        delay(DOT_LENGTH);
+        break;
+
+      case '-':
+        board.rgb.on();
+        board.buzzer.playTone(PITCH);
+        delay(DOT_LENGTH * 3);
+        board.rgb.off();
+        board.buzzer.stopTone();
+        delay(DOT_LENGTH);
+        break;
+
+      case ' ':
+        board.rgb.off();
+        board.buzzer.stopTone();
+        delay(DOT_LENGTH);
+        break;
+    }
+  }
+}