Diff: main.cpp

Revision:

0:40edabd603cf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 22 19:56:31 2015 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+#include <iostream>
+
+Serial pc(USBTX, USBRX);
+AnalogOut Aout(PTE30);
+float i,delay,f;
+bool flag = 0;
+
+float brightness = 0.0;
+
+void delay_change()
+{
+    Aout = 0;
+    printf("\n\rPlease enter new frequency: ");
+    std::cin >> f;
+    delay = 1/(f*200);
+    float freq = 1/(delay*200);
+    printf("\n\rFrequency: %f",freq);
+    flag = 0;
+}
+
+int main()
+{
+    printf("\n\rWelcome, please enter a frequency: \n");
+    std::cin >> f;
+    pc.attach(*delay_change);
+    delay = 1/(f*200);
+    float freq = 1/(delay*200);
+    printf("\n\rFrequency: %f",freq);
+
+    while(1) {
+        for (i=0.01; i<=2; i=i+0.01) {
+            if (flag == 0) {
+                printf("\n\rPress ENTER on the keyboard to input a new frequency. \n");
+                flag = 1;
+            }
+            Aout=0.5+0.5*sin(i*3.14159);
+            wait(delay);
+        }
+    }
+}
\ No newline at end of file