Diff: main.cpp

Revision:

2:d082f336c9a2

Parent:

1:754db1ff50f2

Child:

3:a6ab24f494f7

--- a/main.cpp	Tue Jun 18 11:15:37 2013 +0000
+++ b/main.cpp	Wed Dec 04 15:09:31 2019 +0000
@@ -1,14 +1,48 @@
+// 12-stufige chromatische Skala der reinen Stimmung
+// https://de.wikipedia.org/wiki/Reine_Stimmung
+
 #include "mbed.h"
+#include "noten.h"
 
 AnalogOut Aout(p18);
 AnalogIn pot1(p19);
 
-int main()
-{
-    while(1) {
-        for(float i=0.0; i<1.0; i+=0.1) {
-            Aout = i;
-            wait(0.00001+(0.0001*pot1.read()));
-        }
+void note(float time) {
+    for(float i = 0.0; i < 1.0; i+=0.01) {
+        Aout = 0.2;         // Lautstärke
+        wait_us(time*1000);  // Frequenz
+        Aout = 0;
+        wait_us(time*1000);
     }
 }
+
+int main() {
+    while(1) {
+        note(C);  //0.000.01
+        wait(0.5);
+        note(Des);
+        wait(0.5);
+        note(D);
+        wait(0.5);
+        note(Es);
+        wait(0.5);
+        note(E);
+        wait(0.5);
+        note(F);
+        wait(0.5);
+        note(Fis);
+        wait(0.5);
+        note(G);
+        wait(0.5);
+        note(As);
+        wait(0.5);
+        note(A);
+        wait(0.5);
+        note(B);
+        wait(0.5);
+        note(H);
+        wait(0.5);
+        note(c);
+        wait(0.5);
+    }
+}