Music key reference. From C to B, major and minor

Dependencies:   EFM32_SegmentLCD IOFuncLib mbed

Revision:
0:45c4e9ef5b03
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/midiFunctions.h	Sun Jun 28 12:57:01 2015 +0000
@@ -0,0 +1,48 @@
+#include <string>
+#include "IOFuncLib.h"
+genFunctions fnz;
+
+
+int getScala(char notaf, bool tiposcala)
+{
+    //idx= nota da calcolare NB 0-6
+    //tiposcala true=maggiore, flase=minore
+    int idx = kcount;
+    int scalamaggiore[] = {0,2,2,1,2,2,2 };
+    int scalaminore[] = {0,2,1,2,2,1,2 };
+    notaf = fnz.constrain(notaf, 0, 6);
+    for (int i = 0; i < notaf + 1; i++)  {
+        if (tiposcala) idx = idx +  scalamaggiore[i];
+        else idx = idx +  scalaminore[i];
+    }
+    return idx;
+}
+
+
+void printKey(int valk)
+{
+    char score[] = {'C', 'c', 'D', 'd',
+                    'E', 'F', 'f', 'G',
+                    'g', 'A', 'a', 'B'
+                   };
+    char posidxs = 0;
+    string strnota;
+
+    for (int i = 0; i < 7; i++)  {
+        //scala anglosassone
+        if ((valk%2) == 0) strnota = strnota+score[getScala(i, true) % 12]; //se maggiore
+        else strnota = strnota+score[getScala(i, false) % 12];               //se minore
+        posidxs = posidxs + 8 + 3;
+    }
+    segmentDisplay.Number(valk);
+    segmentDisplay.Write(fnz.string2char(strnota));
+     if ((valk%2)==0) segmentDisplay.Symbol(LCD_SYMBOL_MINUS, false);
+     else segmentDisplay.Symbol(LCD_SYMBOL_MINUS, true);
+    
+
+}
+
+
+
+
+