Diff: main.cpp

Revision:

0:72ee6ba483f8

Child:

1:f6f3187e44c5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jun 09 10:12:11 2016 +0000
@@ -0,0 +1,80 @@
+#include "mbed.h"
+PwmOut buzzer(p23);
+
+// red light   
+while (flag = 1);
+{
+
+            int main() {
+
+
+
+            speaker.period_ms(1);                     //1ms period    1k Hz //
+
+            speaker = 0.5;                           //50% duty cycle  //
+                        }
+
+}
+
+
+// yellow light
+
+while (flag = 2);
+
+{
+    float frequency[]= {659,554,659,554,550,494,554,587,494,659,554,440};         //music frequency array
+
+
+    float beat[]= {1,1,1,1,1,0.5,0.5,1,1,1,1,2};    //beat array
+    int
+       main()
+    {
+      while (1) {
+        for (
+            int
+            i=0;
+            i<=11;
+            i++) {buzzer.period(1/(frequency[i]));                  // PMW period   1/frequency
+            buzzer=0.5;                                             //50% duty cycle
+            wait(0.5*beat[i]);                                      //hold for beat period
+                }
+    }            
+ }
+}
+
+
+
+
+//green light
+
+while (flag = 3);
+
+{
+
+     int main() {
+            
+            speaker.period_ms(1);                     //1ms period    1k Hz //
+
+            speaker = 0;                           //0% duty cycle  //
+
+}
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