Diff: morsegenerator.h

Revision:

0:79a42458a848

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/morsegenerator.h	Tue Nov 27 17:52:36 2012 +0000
@@ -0,0 +1,63 @@
+#include <map>
+#include <string>
+#include "mbed.h"
+
+#define DIT_MS 100
+
+
+using namespace std;
+
+typedef map <char, string> MapType;
+typedef void (*callback_type)(int);
+
+const string MORSE_LETTERS[] = {".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--.."};
+const string MORSE_NUMBERS[] = {".----", "..---", "...--", "....-", ".....", "-....", "--...", "---..", "----.", "-----"};
+
+/** MorseGenerator class.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "main.h"
+ * #include "morsegenerator.h"
+ *
+ * DigitalOut myled(p18);
+ *
+ * void morse_callback(int val) {
+ *     myled = val;
+ * }
+ * 
+ * int main() {
+ *     MorseGenerator morse = MorseGenerator(morse_callback);
+ * 
+ *     while (1) {
+ *         morse.transmit("CQCQ DE M6SPX");
+ *     }
+ * }
+ * @endcode
+ */
+class MorseGenerator {
+    MapType morse_map;
+    callback_type callback;
+    
+    void generate_morse_map();
+    void add_mappings(string morse_chars, const string morse_codes[]);
+public:
+    /** Create a MorseGenerator that calls a specific callback
+     *
+     * @param callback called when turning on or off.
+     */
+    MorseGenerator(callback_type callback);
+    
+    /** transmit a string
+     *
+     * @param message to transmit.
+     */
+    void transmit(string message);
+    
+    /** transmit a char
+     *
+     * @param char to transmit.
+     */
+    void transmit(char letter);
+};
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