Diff: Music/Music.cpp

Revision:

5:b9cf407bcc63

Parent:

4:afbf3dd71403

Child:

6:2ca1516ec1e2

--- a/Music/Music.cpp	Sat Apr 06 11:47:18 2019 +0000
+++ b/Music/Music.cpp	Sat Apr 06 14:42:34 2019 +0000
@@ -1,3 +1,7 @@
+
+#include "Music.h"
+PwmOut speaker(PTC10);
+
 Music::Music()
 {
 
@@ -8,19 +12,28 @@
     
 
 }
-Music::init(int * data)
+void Music::init(const int* data,int length)
 {
+    
     _data = data;
-    speaker.period(0.000016); // Has to >> then 1/sample rate
+    _length = length;
+    speaker.period(0.00001); // Has to << then 1/sample rate
     speaker.write(0); // until music played stay silent
-    _index = 0
+    _index = 0;
 }
 
-Music::play_next()
+void Music::play_next()
 {
-    if (_index < NUM_ELEMENTS) {
-        speaker.write(*(_data+index));
-        }
+    double duty_cycle;
+    duty_cycle = ((128-_data[_index]*1.7)+128)/256.0;
+    //printf("%i = %f\n",_index,duty_cycle);
+
+    if (_index < _length) {      
+        speaker.write(duty_cycle);
         
+        _index++;
+    } else {
+        printf("%i",_index);    
+    }
         
 }
\ No newline at end of file