Revision 0:40962a766bc2, committed 2021-05-07

Comitter:

mjuric

Date:

Fri May 07 11:49:46 2021 +0000

Commit message:

Morse-code

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MorseWrite.cpp	Fri May 07 11:49:46 2021 +0000
@@ -0,0 +1,36 @@
+#include "MorseWrite.h"
+#include "mbed.h"
+
+MorseWrite::MorseWrite(PinName pin) : _pin(pin){
+ _pin = 0;
+}
+
+void MorseWrite::write(int message, short n) {
+ for(int i=1; i<=n; i++) {
+     short symbol = message & 0b11;
+     message = message >> 2;
+    
+     switch(symbol){
+        case 0b00:
+            _pin = 1;
+            wait(duration * dotDuration);
+            _pin = 0;
+            wait(duration);
+            break;
+        case 0b01:
+            _pin = 1;
+            wait(duration * dashDuration);
+            _pin = 0;
+            wait(duration);
+            break;
+        case 0b10:
+            _pin = 0;
+            wait(duration * newLetterDuration);
+            break;
+        case 0b11:
+            _pin = 0;
+            wait(duration * spaceDuration);
+            break;
+    }
+ }
+} 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MorseWrite.h	Fri May 07 11:49:46 2021 +0000
@@ -0,0 +1,20 @@
+#ifndef MBED_MORSEWRITE_H
+#define MBED_MORSEWRITE_H
+
+#include "mbed.h"
+
+class MorseWrite {
+public:
+ MorseWrite(PinName pin);
+ void write(int message, short n);
+
+private:
+ DigitalOut _pin;
+ const short dotDuration = 1;
+ const short dashDuration = 3;
+ const short newLetterDuration = 3;
+ const short spaceDuration = 7;
+ const float duration = 0.3;
+};
+
+#endif
\ No newline at end of file